diff --git a/cmds/stagefright/record.cpp b/cmds/stagefright/record.cpp
index 5a87f4c..c424281 100644
--- a/cmds/stagefright/record.cpp
+++ b/cmds/stagefright/record.cpp
@@ -32,9 +32,15 @@
 
 using namespace android;
 
+static const int32_t kFramerate = 24;  // fps
+static const int32_t kIFramesIntervalSec = 1;
+static const int32_t kVideoBitRate = 512 * 1024;
+static const int32_t kAudioBitRate = 12200;
+static const int32_t kColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
+static const int64_t kDurationUs = 10000000LL;  // 10 seconds
+
 #if 1
 class DummySource : public MediaSource {
-    static const int32_t kFramerate = 24;  // fps
 
 public:
     DummySource(int width, int height)
@@ -176,6 +182,12 @@
     enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
     enc_meta->setInt32(kKeyWidth, width);
     enc_meta->setInt32(kKeyHeight, height);
+    enc_meta->setInt32(kKeySampleRate, kFramerate);
+    enc_meta->setInt32(kKeyBitRate, kVideoBitRate);
+    enc_meta->setInt32(kKeyStride, width);
+    enc_meta->setInt32(kKeySliceHeight, height);
+    enc_meta->setInt32(kKeyIFramesInterval, kIFramesIntervalSec);
+    enc_meta->setInt32(kKeyColorFormat, kColorFormat);
 
     sp<MediaSource> encoder =
         OMXCodec::Create(
@@ -184,8 +196,10 @@
 #if 1
     sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
     writer->addSource(encoder);
+    writer->setMaxFileDuration(kDurationUs);
     writer->start();
     while (!writer->reachedEOS()) {
+        fprintf(stderr, ".");
         usleep(100000);
     }
     writer->stop();
@@ -194,6 +208,8 @@
 
     MediaBuffer *buffer;
     while (encoder->read(&buffer) == OK) {
+        printf(".");
+        fflush(stdout);
         int32_t isSync;
         if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
             isSync = false;
@@ -209,6 +225,7 @@
     encoder->stop();
 #endif
 
+    printf("$\n");
     client.disconnect();
 #endif
 
@@ -267,6 +284,7 @@
     encMeta->setInt32(kKeySampleRate, kSampleRate);
     encMeta->setInt32(kKeyChannelCount, kNumChannels);
     encMeta->setInt32(kKeyMaxInputSize, 8192);
+    encMeta->setInt32(kKeyBitRate, kAudioBitRate);
 
     sp<MediaSource> encoder =
         OMXCodec::Create(client.interface(), encMeta, true, audioSource);
diff --git a/drm/common/Android.mk b/drm/common/Android.mk
new file mode 100644
index 0000000..249fe8e
--- /dev/null
+++ b/drm/common/Android.mk
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    DrmConstraints.cpp \
+    DrmConvertedStatus.cpp \
+    DrmEngineBase.cpp \
+    DrmInfo.cpp \
+    DrmInfoRequest.cpp \
+    DrmInfoStatus.cpp \
+    DrmRights.cpp \
+    DrmSupportInfo.cpp \
+    IDrmIOService.cpp \
+    IDrmManagerService.cpp \
+    IDrmServiceListener.cpp \
+    DrmInfoEvent.cpp \
+    ReadWriteUtils.cpp
+
+LOCAL_C_INCLUDES := \
+    $(TOP)/frameworks/base/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/plugins/common/include
+
+LOCAL_MODULE:= libdrmframeworkcommon
+
+include $(BUILD_STATIC_LIBRARY)
diff --git a/drm/common/DrmConstraints.cpp b/drm/common/DrmConstraints.cpp
new file mode 100644
index 0000000..11ce410
--- /dev/null
+++ b/drm/common/DrmConstraints.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmConstraints.h>
+
+using namespace android;
+
+const String8 DrmConstraints::MAX_REPEAT_COUNT("max_repeat_count");
+const String8 DrmConstraints::REMAINING_REPEAT_COUNT("remaining_repeat_count");
+const String8 DrmConstraints::LICENSE_START_TIME("license_start_time");
+const String8 DrmConstraints::LICENSE_EXPIRY_TIME("license_expiry_time");
+const String8 DrmConstraints::LICENSE_AVAILABLE_TIME("license_available_time");
+const String8 DrmConstraints::EXTENDED_METADATA("extended_metadata");
+
+int DrmConstraints::getCount(void) const {
+    return mConstraintMap.size();
+}
+
+status_t DrmConstraints::put(const String8* key, const char* value) {
+    int length = strlen(value);
+    char* charValue = new char[length + 1];
+    if (NULL != charValue) {
+        strncpy(charValue, value, length);
+        charValue[length] = '\0';
+        mConstraintMap.add(*key, charValue);
+    }
+    return DRM_NO_ERROR;
+}
+
+String8 DrmConstraints::get(const String8& key) const {
+    if (NULL != getValue(&key)) {
+        return String8(getValue(&key));
+    }
+    return String8("");
+}
+
+const char* DrmConstraints::getValue(const String8* key) const {
+    if (NAME_NOT_FOUND != mConstraintMap.indexOfKey(*key)) {
+        return mConstraintMap.valueFor(*key);
+    }
+    return NULL;
+}
+
+const char* DrmConstraints::getAsByteArray(const String8* key) const {
+    return getValue(key);
+}
+
+bool DrmConstraints::KeyIterator::hasNext() {
+    return mIndex < mDrmConstraints->mConstraintMap.size();
+}
+
+const String8& DrmConstraints::KeyIterator::next() {
+    const String8& key = mDrmConstraints->mConstraintMap.keyAt(mIndex);
+    mIndex++;
+    return key;
+}
+
+DrmConstraints::KeyIterator DrmConstraints::keyIterator() {
+    return KeyIterator(this);
+}
+
+DrmConstraints::KeyIterator::KeyIterator(const DrmConstraints::KeyIterator& keyIterator)
+    : mDrmConstraints(keyIterator.mDrmConstraints),
+      mIndex(keyIterator.mIndex) {
+    LOGV("DrmConstraints::KeyIterator::KeyIterator");
+}
+
+DrmConstraints::KeyIterator& DrmConstraints::KeyIterator::operator=(
+    const DrmConstraints::KeyIterator& keyIterator) {
+    LOGV("DrmConstraints::KeyIterator::operator=");
+    mDrmConstraints = keyIterator.mDrmConstraints;
+    mIndex = keyIterator.mIndex;
+    return *this;
+}
+
+
+DrmConstraints::Iterator DrmConstraints::iterator() {
+    return Iterator(this);
+}
+
+DrmConstraints::Iterator::Iterator(const DrmConstraints::Iterator& iterator) :
+    mDrmConstraints(iterator.mDrmConstraints),
+    mIndex(iterator.mIndex) {
+    LOGV("DrmConstraints::Iterator::Iterator");
+}
+
+DrmConstraints::Iterator& DrmConstraints::Iterator::operator=(
+    const DrmConstraints::Iterator& iterator) {
+    LOGV("DrmConstraints::Iterator::operator=");
+    mDrmConstraints = iterator.mDrmConstraints;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmConstraints::Iterator::hasNext() {
+    return mIndex < mDrmConstraints->mConstraintMap.size();
+}
+
+String8 DrmConstraints::Iterator::next() {
+    String8 value = String8(mDrmConstraints->mConstraintMap.editValueAt(mIndex));
+    mIndex++;
+    return value;
+}
+
diff --git a/drm/common/DrmConvertedStatus.cpp b/drm/common/DrmConvertedStatus.cpp
new file mode 100644
index 0000000..5d035f5
--- /dev/null
+++ b/drm/common/DrmConvertedStatus.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmConvertedStatus.h>
+
+using namespace android;
+
+DrmConvertedStatus::DrmConvertedStatus(
+    int _statusCode, const DrmBuffer* _convertedData, int _offset) :
+    statusCode(_statusCode),
+    convertedData(_convertedData),
+    offset(_offset) {
+
+}
+
diff --git a/drm/common/DrmEngineBase.cpp b/drm/common/DrmEngineBase.cpp
new file mode 100644
index 0000000..70398e8
--- /dev/null
+++ b/drm/common/DrmEngineBase.cpp
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "DrmEngineBase.h"
+
+using namespace android;
+
+DrmEngineBase::DrmEngineBase() {
+
+}
+
+DrmEngineBase::~DrmEngineBase() {
+
+}
+
+DrmConstraints* DrmEngineBase::getConstraints(
+    int uniqueId, const String8* path, int action) {
+    return onGetConstraints(uniqueId, path, action);
+}
+
+status_t DrmEngineBase::initialize(int uniqueId) {
+    return onInitialize(uniqueId);
+}
+
+status_t DrmEngineBase::setOnInfoListener(
+    int uniqueId, const IDrmEngine::OnInfoListener* infoListener) {
+    return onSetOnInfoListener(uniqueId, infoListener);
+}
+
+status_t DrmEngineBase::terminate(int uniqueId) {
+    return onTerminate(uniqueId);
+}
+
+bool DrmEngineBase::canHandle(int uniqueId, const String8& path) {
+    return onCanHandle(uniqueId, path);
+}
+
+DrmInfoStatus* DrmEngineBase::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    return onProcessDrmInfo(uniqueId, drmInfo);
+}
+
+void DrmEngineBase::saveRights(
+            int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    return onSaveRights(uniqueId, drmRights, rightsPath, contentPath);
+}
+
+DrmInfo* DrmEngineBase::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    return onAcquireDrmInfo(uniqueId, drmInfoRequest);
+}
+
+String8 DrmEngineBase::getOriginalMimeType(int uniqueId, const String8& path) {
+    return onGetOriginalMimeType(uniqueId, path);
+}
+
+int DrmEngineBase::getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType) {
+    return onGetDrmObjectType(uniqueId, path, mimeType);
+}
+
+int DrmEngineBase::checkRightsStatus(int uniqueId, const String8& path, int action) {
+    return onCheckRightsStatus(uniqueId, path, action);
+}
+
+void DrmEngineBase::consumeRights(
+    int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) {
+    onConsumeRights(uniqueId, decryptHandle, action, reserve);
+}
+
+void DrmEngineBase::setPlaybackStatus(
+    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    onSetPlaybackStatus(uniqueId, decryptHandle, playbackStatus, position);
+}
+
+bool DrmEngineBase::validateAction(
+    int uniqueId, const String8& path,
+    int action, const ActionDescription& description) {
+    return onValidateAction(uniqueId, path, action, description);
+}
+
+void DrmEngineBase::removeRights(int uniqueId, const String8& path) {
+    onRemoveRights(uniqueId, path);
+}
+
+void DrmEngineBase::removeAllRights(int uniqueId) {
+    onRemoveAllRights(uniqueId);
+}
+
+void DrmEngineBase::openConvertSession(int uniqueId, int convertId) {
+    onOpenConvertSession(uniqueId, convertId);
+}
+
+DrmConvertedStatus* DrmEngineBase::convertData(
+    int uniqueId, int convertId, const DrmBuffer* inputData) {
+    return onConvertData(uniqueId, convertId, inputData);
+}
+
+DrmConvertedStatus* DrmEngineBase::closeConvertSession(int uniqueId, int convertId) {
+    return onCloseConvertSession(uniqueId, convertId);
+}
+
+DrmSupportInfo* DrmEngineBase::getSupportInfo(int uniqueId) {
+    return onGetSupportInfo(uniqueId);
+}
+
+status_t DrmEngineBase::openDecryptSession(
+    int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) {
+    return onOpenDecryptSession(uniqueId, decryptHandle, fd, offset, length);
+}
+
+void DrmEngineBase::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    onCloseDecryptSession(uniqueId, decryptHandle);
+}
+
+void DrmEngineBase::initializeDecryptUnit(
+    int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, const DrmBuffer* headerInfo) {
+    onInitializeDecryptUnit(uniqueId, decryptHandle, decryptUnitId, headerInfo);
+}
+
+status_t DrmEngineBase::decrypt(
+    int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
+    const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    return onDecrypt(uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer);
+}
+
+void DrmEngineBase::finalizeDecryptUnit(
+    int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    onFinalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId);
+}
+
+ssize_t DrmEngineBase::pread(
+    int uniqueId, DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset) {
+    return onPread(uniqueId, decryptHandle, buffer, numBytes, offset);
+}
+
diff --git a/drm/common/DrmInfo.cpp b/drm/common/DrmInfo.cpp
new file mode 100644
index 0000000..ddcab33
--- /dev/null
+++ b/drm/common/DrmInfo.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmInfo.h>
+
+using namespace android;
+
+DrmInfo::DrmInfo(int infoType, const DrmBuffer& drmBuffer, const String8& mimeType) :
+    mInfoType(infoType),
+    mData(drmBuffer),
+    mMimeType(mimeType) {
+
+}
+
+int DrmInfo::getInfoType(void) const {
+    return mInfoType;
+}
+
+String8 DrmInfo::getMimeType(void) const {
+    return mMimeType;
+}
+
+const DrmBuffer& DrmInfo::getData(void) const {
+    return mData;
+}
+
+int DrmInfo::getCount(void) const {
+    return mAttributes.size();
+}
+
+status_t DrmInfo::put(const String8& key, const String8& value) {
+    mAttributes.add(key, value);
+    return DRM_NO_ERROR;
+}
+
+String8 DrmInfo::get(const String8& key) const {
+    if (NAME_NOT_FOUND != mAttributes.indexOfKey(key)) {
+        return mAttributes.valueFor(key);
+    }
+    return String8("");
+}
+
+int DrmInfo::indexOfKey(const String8& key) const {
+    return mAttributes.indexOfKey(key);
+}
+
+DrmInfo::KeyIterator DrmInfo::keyIterator() const {
+    return KeyIterator(this);
+}
+
+DrmInfo::Iterator DrmInfo::iterator() const {
+    return Iterator(this);
+}
+
+// KeyIterator implementation
+DrmInfo::KeyIterator::KeyIterator(const DrmInfo::KeyIterator& keyIterator) :
+    mDrmInfo(keyIterator.mDrmInfo), mIndex(keyIterator.mIndex) {
+
+}
+
+bool DrmInfo::KeyIterator::hasNext() {
+    return (mIndex < mDrmInfo->mAttributes.size());
+}
+
+const String8& DrmInfo::KeyIterator::next() {
+    const String8& key = mDrmInfo->mAttributes.keyAt(mIndex);
+    mIndex++;
+    return key;
+}
+
+DrmInfo::KeyIterator& DrmInfo::KeyIterator::operator=(const DrmInfo::KeyIterator& keyIterator) {
+    mDrmInfo = keyIterator.mDrmInfo;
+    mIndex = keyIterator.mIndex;
+    return *this;
+}
+
+// Iterator implementation
+DrmInfo::Iterator::Iterator(const DrmInfo::Iterator& iterator)
+    : mDrmInfo(iterator.mDrmInfo), mIndex(iterator.mIndex) {
+
+}
+
+DrmInfo::Iterator& DrmInfo::Iterator::operator=(const DrmInfo::Iterator& iterator) {
+    mDrmInfo = iterator.mDrmInfo;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmInfo::Iterator::hasNext() {
+    return mIndex < mDrmInfo->mAttributes.size();
+}
+
+String8& DrmInfo::Iterator::next() {
+    String8& value = mDrmInfo->mAttributes.editValueAt(mIndex);
+    mIndex++;
+    return value;
+}
+
diff --git a/drm/common/DrmInfoEvent.cpp b/drm/common/DrmInfoEvent.cpp
new file mode 100644
index 0000000..eb58129
--- /dev/null
+++ b/drm/common/DrmInfoEvent.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmInfoEvent"
+#include "utils/Log.h"
+
+#include <utils/String8.h>
+#include <drm/DrmInfoEvent.h>
+
+using namespace android;
+
+DrmInfoEvent::DrmInfoEvent(int uniqueId, int infoType, const String8& message)
+    : mUniqueId(uniqueId),
+      mInfoType(infoType),
+      mMessage(message) {
+
+}
+
+int DrmInfoEvent::getUniqueId() const {
+    return mUniqueId;
+}
+
+int DrmInfoEvent::getType() const {
+    return mInfoType;
+}
+
+const String8& DrmInfoEvent::getMessage() const {
+    return mMessage;
+}
+
diff --git a/drm/common/DrmInfoRequest.cpp b/drm/common/DrmInfoRequest.cpp
new file mode 100644
index 0000000..a646859
--- /dev/null
+++ b/drm/common/DrmInfoRequest.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmInfoRequest.h>
+
+using namespace android;
+
+const String8 DrmInfoRequest::ACCOUNT_ID("account_id");
+const String8 DrmInfoRequest::SUBSCRIPTION_ID("subscription_id");
+
+DrmInfoRequest::DrmInfoRequest(int infoType, const String8& mimeType) :
+    mInfoType(infoType), mMimeType(mimeType) {
+
+}
+
+String8 DrmInfoRequest::getMimeType(void) const {
+    return mMimeType;
+}
+
+int DrmInfoRequest::getInfoType(void) const {
+    return mInfoType;
+}
+
+int DrmInfoRequest::getCount(void) const {
+    return mRequestInformationMap.size();
+}
+
+status_t DrmInfoRequest::put(const String8& key, const String8& value) {
+    mRequestInformationMap.add(key, value);
+    return DRM_NO_ERROR;
+}
+
+String8 DrmInfoRequest::get(const String8& key) const {
+    if (NAME_NOT_FOUND != mRequestInformationMap.indexOfKey(key)) {
+        return mRequestInformationMap.valueFor(key);
+    }
+    return String8("");
+}
+
+DrmInfoRequest::KeyIterator DrmInfoRequest::keyIterator() const {
+    return KeyIterator(this);
+}
+
+DrmInfoRequest::Iterator DrmInfoRequest::iterator() const {
+    return Iterator(this);
+}
+
+// KeyIterator implementation
+DrmInfoRequest::KeyIterator::KeyIterator(const DrmInfoRequest::KeyIterator& keyIterator)
+    : mDrmInfoRequest(keyIterator.mDrmInfoRequest),
+      mIndex(keyIterator.mIndex) {
+
+}
+
+bool DrmInfoRequest::KeyIterator::hasNext() {
+    return (mIndex < mDrmInfoRequest->mRequestInformationMap.size());
+}
+
+const String8& DrmInfoRequest::KeyIterator::next() {
+    const String8& key = mDrmInfoRequest->mRequestInformationMap.keyAt(mIndex);
+    mIndex++;
+    return key;
+}
+
+DrmInfoRequest::KeyIterator& DrmInfoRequest::KeyIterator::operator=(
+    const DrmInfoRequest::KeyIterator& keyIterator) {
+    mDrmInfoRequest = keyIterator.mDrmInfoRequest;
+    mIndex = keyIterator.mIndex;
+    return *this;
+}
+
+// Iterator implementation
+DrmInfoRequest::Iterator::Iterator(const DrmInfoRequest::Iterator& iterator) :
+    mDrmInfoRequest(iterator.mDrmInfoRequest), mIndex(iterator.mIndex) {
+}
+
+DrmInfoRequest::Iterator& DrmInfoRequest::Iterator::operator=(
+    const DrmInfoRequest::Iterator& iterator) {
+    mDrmInfoRequest = iterator.mDrmInfoRequest;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmInfoRequest::Iterator::hasNext() {
+    return mIndex < mDrmInfoRequest->mRequestInformationMap.size();
+}
+
+String8& DrmInfoRequest::Iterator::next() {
+    String8& value = mDrmInfoRequest->mRequestInformationMap.editValueAt(mIndex);
+    mIndex++;
+    return value;
+}
+
diff --git a/drm/common/DrmInfoStatus.cpp b/drm/common/DrmInfoStatus.cpp
new file mode 100644
index 0000000..f3a1516
--- /dev/null
+++ b/drm/common/DrmInfoStatus.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmInfoStatus.h>
+
+using namespace android;
+
+DrmInfoStatus::DrmInfoStatus(
+    int _statusCode, const DrmBuffer* _drmBuffer, const String8& _mimeType) :
+    statusCode(_statusCode),
+    drmBuffer(_drmBuffer),
+    mimeType(_mimeType) {
+
+}
+
diff --git a/drm/common/DrmRights.cpp b/drm/common/DrmRights.cpp
new file mode 100644
index 0000000..dc1e6c5
--- /dev/null
+++ b/drm/common/DrmRights.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmRights.h>
+
+using namespace android;
+
+DrmRights::DrmRights(const String8& rightsFilePath, const String8& mimeType,
+            const String8& accountId, const String8& subscriptionId) {
+    /**
+     * TODO Read DrmRights from rights file
+     */
+}
+
+DrmRights::DrmRights(const DrmBuffer& rightsData, const String8& mimeType,
+            const String8& accountId, const String8& subscriptionId) :
+    mData(rightsData),
+    mMimeType(mimeType),
+    mAccountId(accountId),
+    mSubscriptionId(subscriptionId) {
+}
+
+const DrmBuffer& DrmRights::getData(void) const {
+    return mData;
+}
+
+String8 DrmRights::getMimeType(void) const {
+    return mMimeType;
+}
+
+String8 DrmRights::getAccountId(void) const {
+    return mAccountId;
+}
+
+String8 DrmRights::getSubscriptionId(void) const {
+    return mSubscriptionId;
+}
+
diff --git a/drm/common/DrmSupportInfo.cpp b/drm/common/DrmSupportInfo.cpp
new file mode 100644
index 0000000..35e83fc
--- /dev/null
+++ b/drm/common/DrmSupportInfo.cpp
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm/DrmSupportInfo.h>
+
+using namespace android;
+
+DrmSupportInfo::DrmSupportInfo() {
+
+}
+
+DrmSupportInfo::DrmSupportInfo(const DrmSupportInfo& drmSupportInfo):
+    mMimeTypeVector(drmSupportInfo.mMimeTypeVector),
+    mFileSuffixVector(drmSupportInfo.mFileSuffixVector),
+    mDescription(drmSupportInfo.mDescription) {
+
+}
+
+bool DrmSupportInfo::operator<(const DrmSupportInfo& drmSupportInfo) const {
+    // Do we need to check mMimeTypeVector & mFileSuffixVector ?
+    // Note Vector doesn't overrides "<" operator
+    return mDescription < drmSupportInfo.mDescription;
+}
+
+bool DrmSupportInfo::operator==(const DrmSupportInfo& drmSupportInfo) const {
+    // Do we need to check mMimeTypeVector & mFileSuffixVector ?
+    // Note Vector doesn't overrides "==" operator
+    return (mDescription == drmSupportInfo.mDescription);
+}
+
+bool DrmSupportInfo::isSupportedMimeType(const String8& mimeType) const {
+    for (int i = 0; i < mMimeTypeVector.size(); i++) {
+        const String8 item = mMimeTypeVector.itemAt(i);
+
+        if (String8("") != mimeType && item.find(mimeType) != -1) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool DrmSupportInfo::isSupportedFileSuffix(const String8& fileType) const {
+    for (int i = 0; i < mFileSuffixVector.size(); i++) {
+        const String8 item = mFileSuffixVector.itemAt(i);
+
+        if (String8("") != fileType && item.find(fileType) != -1) {
+            return true;
+        }
+    }
+    return false;
+}
+
+DrmSupportInfo& DrmSupportInfo::operator=(const DrmSupportInfo& drmSupportInfo) {
+    mMimeTypeVector = drmSupportInfo.mMimeTypeVector;
+    mFileSuffixVector = drmSupportInfo.mFileSuffixVector;
+    mDescription = drmSupportInfo.mDescription;
+    return *this;
+}
+
+int DrmSupportInfo::getMimeTypeCount(void) const {
+    return mMimeTypeVector.size();
+}
+
+int DrmSupportInfo::getFileSuffixCount(void) const {
+    return mFileSuffixVector.size();
+}
+
+status_t DrmSupportInfo::addMimeType(const String8& mimeType) {
+    mMimeTypeVector.push(mimeType);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmSupportInfo::addFileSuffix(const String8& fileSuffix) {
+    mFileSuffixVector.push(fileSuffix);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmSupportInfo::setDescription(const String8& description) {
+    mDescription = description;
+    return DRM_NO_ERROR;
+}
+
+String8 DrmSupportInfo::getDescription() const {
+    return mDescription;
+}
+
+DrmSupportInfo::FileSuffixIterator DrmSupportInfo::getFileSuffixIterator() {
+    return FileSuffixIterator(this);
+}
+
+DrmSupportInfo::MimeTypeIterator DrmSupportInfo::getMimeTypeIterator() {
+    return MimeTypeIterator(this);
+}
+
+DrmSupportInfo::FileSuffixIterator::FileSuffixIterator(
+    const DrmSupportInfo::FileSuffixIterator& iterator) :
+    mDrmSupportInfo(iterator.mDrmSupportInfo),
+    mIndex(iterator.mIndex) {
+
+}
+
+DrmSupportInfo::FileSuffixIterator& DrmSupportInfo::FileSuffixIterator::operator=(
+    const DrmSupportInfo::FileSuffixIterator& iterator) {
+    mDrmSupportInfo = iterator.mDrmSupportInfo;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmSupportInfo::FileSuffixIterator::hasNext() {
+    return mIndex < mDrmSupportInfo->mFileSuffixVector.size();
+}
+
+String8& DrmSupportInfo::FileSuffixIterator::next() {
+    String8& value = mDrmSupportInfo->mFileSuffixVector.editItemAt(mIndex);
+    mIndex++;
+    return value;
+}
+
+DrmSupportInfo::MimeTypeIterator::MimeTypeIterator(
+    const DrmSupportInfo::MimeTypeIterator& iterator) :
+    mDrmSupportInfo(iterator.mDrmSupportInfo),
+    mIndex(iterator.mIndex) {
+
+}
+
+DrmSupportInfo::MimeTypeIterator& DrmSupportInfo::MimeTypeIterator::operator=(
+    const DrmSupportInfo::MimeTypeIterator& iterator) {
+    mDrmSupportInfo = iterator.mDrmSupportInfo;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmSupportInfo::MimeTypeIterator::hasNext() {
+    return mIndex < mDrmSupportInfo->mMimeTypeVector.size();
+}
+
+String8& DrmSupportInfo::MimeTypeIterator::next() {
+    String8& value = mDrmSupportInfo->mMimeTypeVector.editItemAt(mIndex);
+    mIndex++;
+    return value;
+}
+
diff --git a/drm/common/IDrmIOService.cpp b/drm/common/IDrmIOService.cpp
new file mode 100644
index 0000000..7ce45e7
--- /dev/null
+++ b/drm/common/IDrmIOService.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "IDrmIOService"
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <drm/drm_framework_common.h>
+#include "IDrmIOService.h"
+
+using namespace android;
+
+void BpDrmIOService::writeToFile(const String8& filePath, const String8& dataBuffer) {
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmIOService::getInterfaceDescriptor());
+    data.writeString8(filePath);
+    data.writeString8(dataBuffer);
+
+    remote()->transact(WRITE_TO_FILE, data, &reply);
+}
+
+String8 BpDrmIOService::readFromFile(const String8& filePath) {
+
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmIOService::getInterfaceDescriptor());
+    data.writeString8(filePath);
+
+    remote()->transact(READ_FROM_FILE, data, &reply);
+    return reply.readString8();
+}
+
+IMPLEMENT_META_INTERFACE(DrmIOService, "drm.IDrmIOService");
+
+status_t BnDrmIOService::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
+
+    switch (code) {
+    case WRITE_TO_FILE:
+    {
+        CHECK_INTERFACE(IDrmIOService, data, reply);
+
+        writeToFile(data.readString8(), data.readString8());
+        return DRM_NO_ERROR;
+    }
+
+    case READ_FROM_FILE:
+    {
+        CHECK_INTERFACE(IDrmIOService, data, reply);
+
+        String8 dataBuffer = readFromFile(data.readString8());
+        reply->writeString8(dataBuffer);
+        return DRM_NO_ERROR;
+    }
+
+    default:
+        return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
diff --git a/drm/common/IDrmManagerService.cpp b/drm/common/IDrmManagerService.cpp
new file mode 100644
index 0000000..4fc828a
--- /dev/null
+++ b/drm/common/IDrmManagerService.cpp
@@ -0,0 +1,1358 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "IDrmManagerService(Native)"
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/IPCThreadState.h>
+
+#include <drm/DrmInfo.h>
+#include <drm/DrmConstraints.h>
+#include <drm/DrmRights.h>
+#include <drm/DrmInfoStatus.h>
+#include <drm/DrmConvertedStatus.h>
+#include <drm/DrmInfoRequest.h>
+#include <drm/DrmSupportInfo.h>
+
+#include "IDrmManagerService.h"
+
+#define INVALID_BUFFER_LENGTH -1
+
+using namespace android;
+
+status_t BpDrmManagerService::loadPlugIns(int uniqueId) {
+    LOGV("load plugins");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    remote()->transact(LOAD_PLUGINS, data, &reply);
+    return reply.readInt32();
+}
+
+status_t BpDrmManagerService::loadPlugIns(int uniqueId, const String8& plugInDirPath) {
+    LOGV("load plugins from path");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(plugInDirPath);
+
+    remote()->transact(LOAD_PLUGINS_FROM_PATH, data, &reply);
+    return reply.readInt32();
+}
+
+status_t BpDrmManagerService::setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener) {
+    LOGV("setDrmServiceListener");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeStrongBinder(drmServiceListener->asBinder());
+    remote()->transact(SET_DRM_SERVICE_LISTENER, data, &reply);
+    return reply.readInt32();
+}
+
+status_t BpDrmManagerService::unloadPlugIns(int uniqueId) {
+    LOGV("unload plugins");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    remote()->transact(UNLOAD_PLUGINS, data, &reply);
+    return reply.readInt32();
+}
+
+status_t BpDrmManagerService::installDrmEngine(int uniqueId, const String8& drmEngineFile) {
+    LOGV("Install DRM Engine");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(drmEngineFile);
+
+    remote()->transact(INSTALL_DRM_ENGINE, data, &reply);
+    return reply.readInt32();
+}
+
+DrmConstraints* BpDrmManagerService::getConstraints(
+            int uniqueId, const String8* path, const int action) {
+    LOGV("Get Constraints");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(*path);
+    data.writeInt32(action);
+
+    remote()->transact(GET_CONSTRAINTS_FROM_CONTENT, data, &reply);
+
+    DrmConstraints* drmConstraints = NULL;
+    if (0 != reply.dataAvail()) {
+        //Filling Drm Constraints
+        drmConstraints = new DrmConstraints();
+
+        const int size = reply.readInt32();
+        for (int index = 0; index < size; ++index) {
+            const String8 key(reply.readString8());
+            const int bufferSize = reply.readInt32();
+            char* data = NULL;
+            if (0 < bufferSize) {
+                data = new char[bufferSize];
+                reply.read(data, bufferSize);
+            }
+            drmConstraints->put(&key, data);
+        }
+    }
+    return drmConstraints;
+}
+
+bool BpDrmManagerService::canHandle(int uniqueId, const String8& path, const String8& mimeType) {
+    LOGV("Can Handle");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeString8(path);
+    data.writeString8(mimeType);
+
+    remote()->transact(CAN_HANDLE, data, &reply);
+
+    return static_cast<bool>(reply.readInt32());
+}
+
+DrmInfoStatus* BpDrmManagerService::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    LOGV("Process DRM Info");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    //Filling DRM info
+    data.writeInt32(drmInfo->getInfoType());
+    const DrmBuffer dataBuffer = drmInfo->getData();
+    const int dataBufferSize = dataBuffer.length;
+    data.writeInt32(dataBufferSize);
+    if (0 < dataBufferSize) {
+        data.write(dataBuffer.data, dataBufferSize);
+    }
+    data.writeString8(drmInfo->getMimeType());
+
+    data.writeInt32(drmInfo->getCount());
+    DrmInfo::KeyIterator keyIt = drmInfo->keyIterator();
+
+    while (keyIt.hasNext()) {
+        const String8 key = keyIt.next();
+        data.writeString8(key);
+        const String8 value = drmInfo->get(key);
+        data.writeString8((value == String8("")) ? String8("NULL") : value);
+    }
+
+    remote()->transact(PROCESS_DRM_INFO, data, &reply);
+
+    DrmInfoStatus* drmInfoStatus = NULL;
+    if (0 != reply.dataAvail()) {
+        //Filling DRM Info Status
+        const int statusCode = reply.readInt32();
+        const String8 mimeType = reply.readString8();
+
+        DrmBuffer* drmBuffer = NULL;
+        if (0 != reply.dataAvail()) {
+            const int bufferSize = reply.readInt32();
+            char* data = NULL;
+            if (0 < bufferSize) {
+                data = new char[bufferSize];
+                reply.read(data, bufferSize);
+            }
+            drmBuffer = new DrmBuffer(data, bufferSize);
+        }
+        drmInfoStatus = new DrmInfoStatus(statusCode, drmBuffer, mimeType);
+    }
+    return drmInfoStatus;
+}
+
+DrmInfo* BpDrmManagerService::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) {
+    LOGV("Acquire DRM Info");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    //Filling DRM Info Request
+    data.writeInt32(drmInforequest->getInfoType());
+    data.writeString8(drmInforequest->getMimeType());
+
+    data.writeInt32(drmInforequest->getCount());
+    DrmInfoRequest::KeyIterator keyIt = drmInforequest->keyIterator();
+
+    while (keyIt.hasNext()) {
+        const String8 key = keyIt.next();
+        data.writeString8(key);
+        const String8 value = drmInforequest->get(key);
+        data.writeString8((value == String8("")) ? String8("NULL") : value);
+    }
+
+    remote()->transact(ACQUIRE_DRM_INFO, data, &reply);
+
+    DrmInfo* drmInfo = NULL;
+    if (0 != reply.dataAvail()) {
+        //Filling DRM Info
+        const int infoType = reply.readInt32();
+        const int bufferSize = reply.readInt32();
+        char* data = NULL;
+
+        if (0 < bufferSize) {
+            data = new char[bufferSize];
+            reply.read(data, bufferSize);
+        }
+        drmInfo = new DrmInfo(infoType, DrmBuffer(data, bufferSize), reply.readString8());
+
+        const int size = reply.readInt32();
+        for (int index = 0; index < size; ++index) {
+            const String8 key(reply.readString8());
+            const String8 value(reply.readString8());
+            drmInfo->put(key, (value == String8("NULL")) ? String8("") : value);
+        }
+    }
+    return drmInfo;
+}
+
+void BpDrmManagerService::saveRights(
+            int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    LOGV("Save Rights");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    //Filling Drm Rights
+    const DrmBuffer dataBuffer = drmRights.getData();
+    data.writeInt32(dataBuffer.length);
+    data.write(dataBuffer.data, dataBuffer.length);
+
+    const String8 mimeType = drmRights.getMimeType();
+    data.writeString8((mimeType == String8("")) ? String8("NULL") : mimeType);
+
+    const String8 accountId = drmRights.getAccountId();
+    data.writeString8((accountId == String8("")) ? String8("NULL") : accountId);
+
+    const String8 subscriptionId = drmRights.getSubscriptionId();
+    data.writeString8((subscriptionId == String8("")) ? String8("NULL") : subscriptionId);
+
+    data.writeString8((rightsPath == String8("")) ? String8("NULL") : rightsPath);
+    data.writeString8((contentPath == String8("")) ? String8("NULL") : contentPath);
+
+    remote()->transact(SAVE_RIGHTS, data, &reply);
+}
+
+String8 BpDrmManagerService::getOriginalMimeType(int uniqueId, const String8& path) {
+    LOGV("Get Original MimeType");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(path);
+
+    remote()->transact(GET_ORIGINAL_MIMETYPE, data, &reply);
+    return reply.readString8();
+}
+
+int BpDrmManagerService::getDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) {
+    LOGV("Get Drm object type");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(path);
+    data.writeString8(mimeType);
+
+    remote()->transact(GET_DRM_OBJECT_TYPE, data, &reply);
+
+    return reply.readInt32();
+}
+
+int BpDrmManagerService::checkRightsStatus(int uniqueId, const String8& path, int action) {
+    LOGV("checkRightsStatus");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(path);
+    data.writeInt32(action);
+
+    remote()->transact(CHECK_RIGHTS_STATUS, data, &reply);
+
+    return reply.readInt32();
+}
+
+void BpDrmManagerService::consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) {
+    LOGV("consumeRights");
+        Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    data.writeInt32(action);
+    data.writeInt32(static_cast< int>(reserve));
+
+    remote()->transact(CONSUME_RIGHTS, data, &reply);
+}
+
+void BpDrmManagerService::setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    LOGV("setPlaybackStatus");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    data.writeInt32(playbackStatus);
+    data.writeInt32(position);
+
+    remote()->transact(SET_PLAYBACK_STATUS, data, &reply);
+}
+
+bool BpDrmManagerService::validateAction(
+            int uniqueId, const String8& path,
+            int action, const ActionDescription& description) {
+    LOGV("validateAction");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(path);
+    data.writeInt32(action);
+    data.writeInt32(description.outputType);
+    data.writeInt32(description.configuration);
+
+    remote()->transact(VALIDATE_ACTION, data, &reply);
+
+    return static_cast<bool>(reply.readInt32());
+}
+
+void BpDrmManagerService::removeRights(int uniqueId, const String8& path) {
+    LOGV("removeRights");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(path);
+
+    remote()->transact(REMOVE_RIGHTS, data, &reply);
+}
+
+void BpDrmManagerService::removeAllRights(int uniqueId) {
+    LOGV("removeAllRights");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    remote()->transact(REMOVE_ALL_RIGHTS, data, &reply);
+}
+
+int BpDrmManagerService::openConvertSession(int uniqueId, const String8& mimeType) {
+    LOGV("openConvertSession");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeString8(mimeType);
+
+    remote()->transact(OPEN_CONVERT_SESSION, data, &reply);
+    return reply.readInt32();
+}
+
+DrmConvertedStatus* BpDrmManagerService::convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    LOGV("convertData");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeInt32(convertId);
+    data.writeInt32(inputData->length);
+    data.write(inputData->data, inputData->length);
+
+    remote()->transact(CONVERT_DATA, data, &reply);
+
+    DrmConvertedStatus* drmConvertedStatus = NULL;
+
+    if (0 != reply.dataAvail()) {
+        //Filling DRM Converted Status
+        const int statusCode = reply.readInt32();
+        const int offset = reply.readInt32();
+
+        DrmBuffer* convertedData = NULL;
+        if (0 != reply.dataAvail()) {
+            const int bufferSize = reply.readInt32();
+            char* data = NULL;
+            if (0 < bufferSize) {
+                data = new char[bufferSize];
+                reply.read(data, bufferSize);
+            }
+            convertedData = new DrmBuffer(data, bufferSize);
+        }
+        drmConvertedStatus = new DrmConvertedStatus(statusCode, convertedData, offset);
+    }
+    return drmConvertedStatus;
+}
+
+DrmConvertedStatus* BpDrmManagerService::closeConvertSession(int uniqueId, int convertId) {
+    LOGV("closeConvertSession");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+    data.writeInt32(convertId);
+
+    remote()->transact(CLOSE_CONVERT_SESSION, data, &reply);
+
+    DrmConvertedStatus* drmConvertedStatus = NULL;
+
+    if (0 != reply.dataAvail()) {
+        //Filling DRM Converted Status
+        const int statusCode = reply.readInt32();
+        const int offset = reply.readInt32();
+
+        DrmBuffer* convertedData = NULL;
+        if (0 != reply.dataAvail()) {
+            const int bufferSize = reply.readInt32();
+            char* data = NULL;
+            if (0 < bufferSize) {
+                data = new char[bufferSize];
+                reply.read(data, bufferSize);
+            }
+            convertedData = new DrmBuffer(data, bufferSize);
+        }
+        drmConvertedStatus = new DrmConvertedStatus(statusCode, convertedData, offset);
+    }
+    return drmConvertedStatus;
+}
+
+status_t BpDrmManagerService::getAllSupportInfo(
+            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) {
+    LOGV("Get All Support Info");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    remote()->transact(GET_ALL_SUPPORT_INFO, data, &reply);
+
+    //Filling DRM Support Info
+    const int arraySize = reply.readInt32();
+    if (0 < arraySize) {
+        *drmSupportInfoArray = new DrmSupportInfo[arraySize];
+
+        for (int index = 0; index < arraySize; ++index) {
+            DrmSupportInfo drmSupportInfo;
+
+            const int fileSuffixVectorSize = reply.readInt32();
+            for (int i = 0; i < fileSuffixVectorSize; ++i) {
+                drmSupportInfo.addFileSuffix(reply.readString8());
+            }
+
+            const int mimeTypeVectorSize = reply.readInt32();
+            for (int i = 0; i < mimeTypeVectorSize; ++i) {
+                drmSupportInfo.addMimeType(reply.readString8());
+            }
+
+            drmSupportInfo.setDescription(reply.readString8());
+            (*drmSupportInfoArray)[index] = drmSupportInfo;
+        }
+    }
+    *length = arraySize;
+    return reply.readInt32();
+}
+
+DecryptHandle* BpDrmManagerService::openDecryptSession(
+            int uniqueId, int fd, int offset, int length) {
+    LOGV("Entering BpDrmManagerService::openDecryptSession");
+    Parcel data, reply;
+
+    const String16 interfaceDescriptor = IDrmManagerService::getInterfaceDescriptor();
+    LOGV("BpDrmManagerService::openDecryptSession: InterfaceDescriptor name is %s",
+        interfaceDescriptor.string());
+    data.writeInterfaceToken(interfaceDescriptor);
+    data.writeInt32(uniqueId);
+    data.writeFileDescriptor(fd);
+    data.writeInt32(offset);
+    data.writeInt32(length);
+
+    LOGV("try to invoke remote onTransact() with code OPEN_DECRYPT_SESSION");
+    remote()->transact(OPEN_DECRYPT_SESSION, data, &reply);
+
+    DecryptHandle* handle = NULL;
+    if (0 != reply.dataAvail()) {
+        handle = new DecryptHandle();
+        handle->decryptId = reply.readInt32();
+        handle->mimeType = reply.readString8();
+        handle->decryptApiType = reply.readInt32();
+        handle->status = reply.readInt32();
+        handle->decryptInfo = NULL;
+        if (0 != reply.dataAvail()) {
+            handle->decryptInfo = new DecryptInfo();
+            handle->decryptInfo->decryptBufferLength = reply.readInt32();
+        }
+    } else {
+        LOGE("no decryptHandle is generated in service side");
+    }
+    return handle;
+}
+
+void BpDrmManagerService::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    LOGV("closeDecryptSession");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    remote()->transact(CLOSE_DECRYPT_SESSION, data, &reply);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        LOGV("deleting decryptInfo");
+        delete decryptHandle->decryptInfo; decryptHandle->decryptInfo = NULL;
+    }
+    delete decryptHandle; decryptHandle = NULL;
+}
+
+void BpDrmManagerService::initializeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) {
+    LOGV("initializeDecryptUnit");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+    data.writeInt32(decryptUnitId);
+
+    data.writeInt32(headerInfo->length);
+    data.write(headerInfo->data, headerInfo->length);
+
+    remote()->transact(INITIALIZE_DECRYPT_UNIT, data, &reply);
+}
+
+status_t BpDrmManagerService::decrypt(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
+            const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    LOGV("decrypt");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    data.writeInt32(decryptUnitId);
+    data.writeInt32((*decBuffer)->length);
+
+    data.writeInt32(encBuffer->length);
+    data.write(encBuffer->data, encBuffer->length);
+
+    remote()->transact(DECRYPT, data, &reply);
+
+    const status_t status = reply.readInt32();
+    LOGV("Return value of decrypt() is %d", status);
+
+    const int size = reply.readInt32();
+    (*decBuffer)->length = size;
+    reply.read((void *)(*decBuffer)->data, size);
+
+    return status;
+}
+
+void BpDrmManagerService::finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    LOGV("finalizeDecryptUnit");
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    data.writeInt32(decryptUnitId);
+
+    remote()->transact(FINALIZE_DECRYPT_UNIT, data, &reply);
+}
+
+ssize_t BpDrmManagerService::pread(
+            int uniqueId, DecryptHandle* decryptHandle, void* buffer,
+            ssize_t numBytes, off_t offset) {
+    LOGV("read");
+    Parcel data, reply;
+    int result;
+
+    data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
+    data.writeInt32(uniqueId);
+
+    data.writeInt32(decryptHandle->decryptId);
+    data.writeString8(decryptHandle->mimeType);
+    data.writeInt32(decryptHandle->decryptApiType);
+    data.writeInt32(decryptHandle->status);
+
+    if (NULL != decryptHandle->decryptInfo) {
+        data.writeInt32(decryptHandle->decryptInfo->decryptBufferLength);
+    } else {
+        data.writeInt32(INVALID_BUFFER_LENGTH);
+    }
+
+    data.writeInt32(numBytes);
+    data.writeInt32(offset);
+
+    remote()->transact(PREAD, data, &reply);
+    result = reply.readInt32();
+    if (0 < result) {
+        reply.read(buffer, result);
+    }
+    return result;
+}
+
+IMPLEMENT_META_INTERFACE(DrmManagerService, "drm.IDrmManagerService");
+
+status_t BnDrmManagerService::onTransact(
+            uint32_t code, const Parcel& data,
+            Parcel* reply, uint32_t flags) {
+    LOGV("Entering BnDrmManagerService::onTransact with code %d", code);
+
+    switch (code) {
+    case LOAD_PLUGINS:
+    {
+        LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        status_t status = loadPlugIns(data.readInt32());
+
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+
+    }
+
+    case LOAD_PLUGINS_FROM_PATH:
+    {
+        LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS_FROM_PATH");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        status_t status = loadPlugIns(data.readInt32(), data.readString8());
+
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+    }
+
+    case SET_DRM_SERVICE_LISTENER:
+    {
+        LOGV("BnDrmManagerService::onTransact :SET_DRM_SERVICE_LISTENER");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        const sp<IDrmServiceListener> drmServiceListener
+            = interface_cast<IDrmServiceListener> (data.readStrongBinder());
+
+        status_t status = setDrmServiceListener(uniqueId, drmServiceListener);
+
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+    }
+
+    case UNLOAD_PLUGINS:
+    {
+        LOGV("BnDrmManagerService::onTransact :UNLOAD_PLUGINS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        status_t status = unloadPlugIns(data.readInt32());
+
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+    }
+
+    case INSTALL_DRM_ENGINE:
+    {
+        LOGV("BnDrmManagerService::onTransact :INSTALL_DRM_ENGINE");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        status_t status = installDrmEngine(data.readInt32(), data.readString8());
+
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+    }
+
+    case GET_CONSTRAINTS_FROM_CONTENT:
+    {
+        LOGV("BnDrmManagerService::onTransact :GET_CONSTRAINTS_FROM_CONTENT");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        const String8 path = data.readString8();
+
+        DrmConstraints* drmConstraints = getConstraints(uniqueId, &path, data.readInt32());
+
+        if (NULL != drmConstraints) {
+            //Filling DRM Constraints contents
+            reply->writeInt32(drmConstraints->getCount());
+
+            DrmConstraints::KeyIterator keyIt = drmConstraints->keyIterator();
+            while (keyIt.hasNext()) {
+                const String8 key = keyIt.next();
+                reply->writeString8(key);
+                const char* value = drmConstraints->getAsByteArray(&key);
+                int bufferSize = 0;
+                if (NULL != value) {
+                    bufferSize = strlen(value);
+                }
+                reply->writeInt32(bufferSize + 1);
+                reply->write(value, bufferSize + 1);
+            }
+        }
+        delete drmConstraints; drmConstraints = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case CAN_HANDLE:
+    {
+        LOGV("BnDrmManagerService::onTransact :CAN_HANDLE");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        const String8 path = data.readString8();
+        const String8 mimeType = data.readString8();
+
+        bool result = canHandle(uniqueId, path, mimeType);
+
+        reply->writeInt32(result);
+        return DRM_NO_ERROR;
+    }
+
+    case PROCESS_DRM_INFO:
+    {
+        LOGV("BnDrmManagerService::onTransact :PROCESS_DRM_INFO");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        //Filling DRM info
+        const int infoType = data.readInt32();
+        const int bufferSize = data.readInt32();
+        char* buffer = NULL;
+        if (0 < bufferSize) {
+            buffer = (char *)data.readInplace(bufferSize);
+        }
+        const DrmBuffer drmBuffer(buffer, bufferSize);
+        DrmInfo* drmInfo = new DrmInfo(infoType, drmBuffer, data.readString8());
+
+        const int size = data.readInt32();
+        for (int index = 0; index < size; ++index) {
+            const String8 key(data.readString8());
+            const String8 value(data.readString8());
+            drmInfo->put(key, (value == String8("NULL")) ? String8("") : value);
+        }
+
+        DrmInfoStatus* drmInfoStatus = processDrmInfo(uniqueId, drmInfo);
+
+        if (NULL != drmInfoStatus) {
+            //Filling DRM Info Status contents
+            reply->writeInt32(drmInfoStatus->statusCode);
+            reply->writeString8(drmInfoStatus->mimeType);
+
+            if (NULL != drmInfoStatus->drmBuffer) {
+                const DrmBuffer* drmBuffer = drmInfoStatus->drmBuffer;
+                const int bufferSize = drmBuffer->length;
+                reply->writeInt32(bufferSize);
+                if (0 < bufferSize) {
+                    reply->write(drmBuffer->data, bufferSize);
+                }
+                delete [] drmBuffer->data;
+                delete drmBuffer; drmBuffer = NULL;
+            }
+        }
+        delete drmInfo; drmInfo = NULL;
+        delete drmInfoStatus; drmInfoStatus = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case ACQUIRE_DRM_INFO:
+    {
+        LOGV("BnDrmManagerService::onTransact :ACQUIRE_DRM_INFO");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        //Filling DRM info Request
+        DrmInfoRequest* drmInfoRequest = new DrmInfoRequest(data.readInt32(), data.readString8());
+
+        const int size = data.readInt32();
+        for (int index = 0; index < size; ++index) {
+            const String8 key(data.readString8());
+            const String8 value(data.readString8());
+            drmInfoRequest->put(key, (value == String8("NULL")) ? String8("") : value);
+        }
+
+        DrmInfo* drmInfo = acquireDrmInfo(uniqueId, drmInfoRequest);
+
+        if (NULL != drmInfo) {
+            //Filling DRM Info
+            const DrmBuffer drmBuffer = drmInfo->getData();
+            reply->writeInt32(drmInfo->getInfoType());
+
+            const int bufferSize = drmBuffer.length;
+            reply->writeInt32(bufferSize);
+            if (0 < bufferSize) {
+                reply->write(drmBuffer.data, bufferSize);
+            }
+            reply->writeString8(drmInfo->getMimeType());
+            reply->writeInt32(drmInfo->getCount());
+
+            DrmInfo::KeyIterator keyIt = drmInfo->keyIterator();
+            while (keyIt.hasNext()) {
+                const String8 key = keyIt.next();
+                reply->writeString8(key);
+                const String8 value = drmInfo->get(key);
+                reply->writeString8((value == String8("")) ? String8("NULL") : value);
+            }
+            delete [] drmBuffer.data;
+        }
+        delete drmInfoRequest; drmInfoRequest = NULL;
+        delete drmInfo; drmInfo = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case SAVE_RIGHTS:
+    {
+        LOGV("BnDrmManagerService::onTransact :SAVE_RIGHTS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        //Filling DRM Rights
+        const int bufferSize = data.readInt32();
+        const DrmBuffer drmBuffer((char *)data.readInplace(bufferSize), bufferSize);
+
+        const String8 mimeType(data.readString8());
+        const String8 accountId(data.readString8());
+        const String8 subscriptionId(data.readString8());
+        const String8 rightsPath(data.readString8());
+        const String8 contentPath(data.readString8());
+
+        DrmRights drmRights(drmBuffer,
+                            ((mimeType == String8("NULL")) ? String8("") : mimeType),
+                            ((accountId == String8("NULL")) ? String8("") : accountId),
+                            ((subscriptionId == String8("NULL")) ? String8("") : subscriptionId));
+
+        saveRights(uniqueId, drmRights,
+                            ((rightsPath == String8("NULL")) ? String8("") : rightsPath),
+                            ((contentPath == String8("NULL")) ? String8("") : contentPath));
+
+        return DRM_NO_ERROR;
+    }
+
+    case GET_ORIGINAL_MIMETYPE:
+    {
+        LOGV("BnDrmManagerService::onTransact :GET_ORIGINAL_MIMETYPE");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const String8 originalMimeType = getOriginalMimeType(data.readInt32(), data.readString8());
+
+        reply->writeString8(originalMimeType);
+        return DRM_NO_ERROR;
+    }
+
+    case GET_DRM_OBJECT_TYPE:
+    {
+        LOGV("BnDrmManagerService::onTransact :GET_DRM_OBJECT_TYPE");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int drmObjectType
+            = getDrmObjectType(data.readInt32(), data.readString8(), data.readString8());
+
+        reply->writeInt32(drmObjectType);
+        return DRM_NO_ERROR;
+    }
+
+    case CHECK_RIGHTS_STATUS:
+    {
+        LOGV("BnDrmManagerService::onTransact :CHECK_RIGHTS_STATUS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int result
+            = checkRightsStatus(data.readInt32(), data.readString8(), data.readInt32());
+
+        reply->writeInt32(result);
+        return DRM_NO_ERROR;
+    }
+
+    case CONSUME_RIGHTS:
+    {
+        LOGV("BnDrmManagerService::onTransact :CONSUME_RIGHTS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+
+        consumeRights(uniqueId, &handle, data.readInt32(), static_cast<bool>(data.readInt32()));
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case SET_PLAYBACK_STATUS:
+    {
+        LOGV("BnDrmManagerService::onTransact :SET_PLAYBACK_STATUS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+
+        setPlaybackStatus(uniqueId, &handle, data.readInt32(), data.readInt32());
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case VALIDATE_ACTION:
+    {
+        LOGV("BnDrmManagerService::onTransact :VALIDATE_ACTION");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        bool result = validateAction(
+                                data.readInt32(),
+                                data.readString8(),
+                                data.readInt32(),
+                                ActionDescription(data.readInt32(), data.readInt32()));
+
+        reply->writeInt32(result);
+        return DRM_NO_ERROR;
+    }
+
+    case REMOVE_RIGHTS:
+    {
+        LOGV("BnDrmManagerService::onTransact :REMOVE_RIGHTS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        removeRights(data.readInt32(), data.readString8());
+
+        return DRM_NO_ERROR;
+    }
+
+    case REMOVE_ALL_RIGHTS:
+    {
+        LOGV("BnDrmManagerService::onTransact :REMOVE_ALL_RIGHTS");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        removeAllRights(data.readInt32());
+
+        return DRM_NO_ERROR;
+    }
+
+    case OPEN_CONVERT_SESSION:
+    {
+        LOGV("BnDrmManagerService::onTransact :OPEN_CONVERT_SESSION");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int convertId = openConvertSession(data.readInt32(), data.readString8());
+
+        reply->writeInt32(convertId);
+        return DRM_NO_ERROR;
+    }
+
+    case CONVERT_DATA:
+    {
+        LOGV("BnDrmManagerService::onTransact :CONVERT_DATA");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        const int convertId = data.readInt32();
+
+        //Filling input data
+        const int bufferSize = data.readInt32();
+        DrmBuffer* inputData = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize);
+
+        DrmConvertedStatus*    drmConvertedStatus = convertData(uniqueId, convertId, inputData);
+
+        if (NULL != drmConvertedStatus) {
+            //Filling Drm Converted Ststus
+            reply->writeInt32(drmConvertedStatus->statusCode);
+            reply->writeInt32(drmConvertedStatus->offset);
+
+            if (NULL != drmConvertedStatus->convertedData) {
+                const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
+                const int bufferSize = convertedData->length;
+                reply->writeInt32(bufferSize);
+                if (0 < bufferSize) {
+                    reply->write(convertedData->data, bufferSize);
+                }
+                delete [] convertedData->data;
+                delete convertedData; convertedData = NULL;
+            }
+        }
+        delete inputData; inputData = NULL;
+        delete drmConvertedStatus; drmConvertedStatus = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case CLOSE_CONVERT_SESSION:
+    {
+        LOGV("BnDrmManagerService::onTransact :CLOSE_CONVERT_SESSION");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        DrmConvertedStatus*    drmConvertedStatus
+            = closeConvertSession(data.readInt32(), data.readInt32());
+
+        if (NULL != drmConvertedStatus) {
+            //Filling Drm Converted Ststus
+            reply->writeInt32(drmConvertedStatus->statusCode);
+            reply->writeInt32(drmConvertedStatus->offset);
+
+            if (NULL != drmConvertedStatus->convertedData) {
+                const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
+                const int bufferSize = convertedData->length;
+                reply->writeInt32(bufferSize);
+                if (0 < bufferSize) {
+                    reply->write(convertedData->data, bufferSize);
+                }
+                delete [] convertedData->data;
+                delete convertedData; convertedData = NULL;
+            }
+        }
+        delete drmConvertedStatus; drmConvertedStatus = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case GET_ALL_SUPPORT_INFO:
+    {
+        LOGV("BnDrmManagerService::onTransact :GET_ALL_SUPPORT_INFO");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        int length = 0;
+        DrmSupportInfo* drmSupportInfoArray = NULL;
+
+        status_t status = getAllSupportInfo(uniqueId, &length, &drmSupportInfoArray);
+
+        reply->writeInt32(length);
+        for (int i = 0; i < length; ++i) {
+            DrmSupportInfo drmSupportInfo = drmSupportInfoArray[i];
+
+            reply->writeInt32(drmSupportInfo.getFileSuffixCount());
+            DrmSupportInfo::FileSuffixIterator fileSuffixIt
+                = drmSupportInfo.getFileSuffixIterator();
+            while (fileSuffixIt.hasNext()) {
+                reply->writeString8(fileSuffixIt.next());
+            }
+
+            reply->writeInt32(drmSupportInfo.getMimeTypeCount());
+            DrmSupportInfo::MimeTypeIterator mimeTypeIt = drmSupportInfo.getMimeTypeIterator();
+            while (mimeTypeIt.hasNext()) {
+                reply->writeString8(mimeTypeIt.next());
+            }
+            reply->writeString8(drmSupportInfo.getDescription());
+        }
+        delete [] drmSupportInfoArray; drmSupportInfoArray = NULL;
+        reply->writeInt32(status);
+        return DRM_NO_ERROR;
+    }
+
+    case OPEN_DECRYPT_SESSION:
+    {
+        LOGV("BnDrmManagerService::onTransact :OPEN_DECRYPT_SESSION");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+        const int fd = data.readFileDescriptor();
+
+        DecryptHandle* handle
+            = openDecryptSession(uniqueId, fd, data.readInt32(), data.readInt32());
+
+        if (NULL != handle) {
+            reply->writeInt32(handle->decryptId);
+            reply->writeString8(handle->mimeType);
+            reply->writeInt32(handle->decryptApiType);
+            reply->writeInt32(handle->status);
+            if (NULL != handle->decryptInfo) {
+                reply->writeInt32(handle->decryptInfo->decryptBufferLength);
+                delete handle->decryptInfo; handle->decryptInfo = NULL;
+            }
+        } else {
+            LOGE("NULL decryptHandle is returned");
+        }
+        delete handle; handle = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case CLOSE_DECRYPT_SESSION:
+    {
+        LOGV("BnDrmManagerService::onTransact :CLOSE_DECRYPT_SESSION");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle* handle = new DecryptHandle();
+        handle->decryptId = data.readInt32();
+        handle->mimeType = data.readString8();
+        handle->decryptApiType = data.readInt32();
+        handle->status = data.readInt32();
+        handle->decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle->decryptInfo = new DecryptInfo();
+            handle->decryptInfo->decryptBufferLength = bufferLength;
+        }
+
+        closeDecryptSession(uniqueId, handle);
+        return DRM_NO_ERROR;
+    }
+
+    case INITIALIZE_DECRYPT_UNIT:
+    {
+        LOGV("BnDrmManagerService::onTransact :INITIALIZE_DECRYPT_UNIT");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+        const int decryptUnitId = data.readInt32();
+
+        //Filling Header info
+        const int bufferSize = data.readInt32();
+        DrmBuffer* headerInfo = NULL;
+        headerInfo = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize);
+
+        initializeDecryptUnit(uniqueId, &handle, decryptUnitId, headerInfo);
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        delete headerInfo; headerInfo = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case DECRYPT:
+    {
+        LOGV("BnDrmManagerService::onTransact :DECRYPT");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+        const int decryptUnitId = data.readInt32();
+        const int decBufferSize = data.readInt32();
+
+        const int encBufferSize = data.readInt32();
+        DrmBuffer* encBuffer
+            = new DrmBuffer((char *)data.readInplace(encBufferSize), encBufferSize);
+
+        char* buffer = NULL;
+        buffer = new char[decBufferSize];
+        DrmBuffer* decBuffer = new DrmBuffer(buffer, decBufferSize);
+
+        const status_t status = decrypt(uniqueId, &handle, decryptUnitId, encBuffer, &decBuffer);
+
+        reply->writeInt32(status);
+
+        const int size = decBuffer->length;
+        reply->writeInt32(size);
+        reply->write(decBuffer->data, size);
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        delete encBuffer; encBuffer = NULL;
+        delete decBuffer; decBuffer = NULL;
+        delete [] buffer; buffer = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case FINALIZE_DECRYPT_UNIT:
+    {
+        LOGV("BnDrmManagerService::onTransact :FINALIZE_DECRYPT_UNIT");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+
+        finalizeDecryptUnit(uniqueId, &handle, data.readInt32());
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    case PREAD:
+    {
+        LOGV("BnDrmManagerService::onTransact :READ");
+        CHECK_INTERFACE(IDrmManagerService, data, reply);
+
+        const int uniqueId = data.readInt32();
+
+        DecryptHandle handle;
+        handle.decryptId = data.readInt32();
+        handle.mimeType = data.readString8();
+        handle.decryptApiType = data.readInt32();
+        handle.status = data.readInt32();
+        handle.decryptInfo = NULL;
+
+        const int bufferLength = data.readInt32();
+        if (INVALID_BUFFER_LENGTH != bufferLength) {
+            handle.decryptInfo = new DecryptInfo();
+            handle.decryptInfo->decryptBufferLength = bufferLength;
+        }
+
+        const int numBytes = data.readInt32();
+        char* buffer = new char[numBytes];
+
+        const off_t offset = data.readInt32();
+
+        ssize_t result = pread(uniqueId, &handle, buffer, numBytes, offset);
+        reply->writeInt32(result);
+        if (0 < result) {
+            reply->write(buffer, result);
+        }
+
+        delete handle.decryptInfo; handle.decryptInfo = NULL;
+        delete [] buffer, buffer = NULL;
+        return DRM_NO_ERROR;
+    }
+
+    default:
+        return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
diff --git a/drm/common/IDrmServiceListener.cpp b/drm/common/IDrmServiceListener.cpp
new file mode 100644
index 0000000..0a69115
--- /dev/null
+++ b/drm/common/IDrmServiceListener.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "IDrmServiceListener"
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <drm/drm_framework_common.h>
+#include <drm/DrmInfoEvent.h>
+#include "IDrmServiceListener.h"
+
+using namespace android;
+
+status_t BpDrmServiceListener::notify(const DrmInfoEvent& event) {
+    Parcel data, reply;
+
+    data.writeInterfaceToken(IDrmServiceListener::getInterfaceDescriptor());
+    data.writeInt32(event.getUniqueId());
+    data.writeInt32(event.getType());
+    data.writeString8(event.getMessage());
+
+    remote()->transact(NOTIFY, data, &reply);
+    return reply.readInt32();
+}
+
+IMPLEMENT_META_INTERFACE(DrmServiceListener, "drm.IDrmServiceListener");
+
+status_t BnDrmServiceListener::onTransact(
+        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
+
+    switch (code) {
+    case NOTIFY:
+    {
+        CHECK_INTERFACE(IDrmServiceListener, data, reply);
+        int uniqueId = data.readInt32();
+        int type = data.readInt32();
+        const String8& message = data.readString8();
+
+        status_t status = notify(DrmInfoEvent(uniqueId, type, message));
+        reply->writeInt32(status);
+
+        return DRM_NO_ERROR;
+    }
+    default:
+        return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
diff --git a/drm/common/ReadWriteUtils.cpp b/drm/common/ReadWriteUtils.cpp
new file mode 100644
index 0000000..4319c1c
--- /dev/null
+++ b/drm/common/ReadWriteUtils.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ReadWriteUtils.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <utils/FileMap.h>
+#include <utils/String8.h>
+
+using namespace android;
+
+#define FAILURE -1
+
+String8 ReadWriteUtils::readBytes(const String8& filePath) {
+    FILE* file = NULL;
+    file = fopen(filePath.string(), "r");
+
+    String8 string("");
+    if (NULL != file) {
+        int fd = fileno(file);
+        struct stat sb;
+
+        if (fstat(fd, &sb) == 0 && sb.st_size > 0) {
+            FileMap* fileMap = new FileMap();
+            if (fileMap->create(filePath.string(), fd, 0, sb.st_size, true)) {
+                char* addr = (char*)fileMap->getDataPtr();
+                string.append(addr, sb.st_size);
+                fileMap->release();
+            }
+        }
+        fclose(file);
+    }
+    return string;
+}
+
+void ReadWriteUtils::writeToFile(const String8& filePath, const String8& data) {
+    FILE* file = NULL;
+    file = fopen(filePath.string(), "w+");
+
+    if (NULL != file) {
+        int fd = fileno(file);
+
+        int size = data.size();
+        if (FAILURE != ftruncate(fd, size)) {
+            FileMap* fileMap = NULL;
+            fileMap = new FileMap();
+            if (fileMap->create(filePath.string(), fd, 0, size, false)) {
+                char* addr = (char*)fileMap->getDataPtr();
+                memcpy(addr, data.string(), size);
+                fileMap->release();
+            }
+        }
+        fclose(file);
+    }
+}
+
+void ReadWriteUtils::appendToFile(const String8& filePath, const String8& data) {
+    FILE* file = NULL;
+    file = fopen(filePath.string(), "a+");
+
+    if (NULL != file) {
+        int fd = fileno(file);
+
+        int offset = lseek(fd, 0, SEEK_END);
+        if (FAILURE != offset) {
+            int newEntrySize = data.size();
+            int fileSize = offset + newEntrySize;
+
+            if (FAILURE != ftruncate(fd, fileSize)) {
+                FileMap* fileMap = NULL;
+                fileMap = new FileMap();
+                if (fileMap->create(filePath.string(), fd, offset, fileSize, false)) {
+                    char* addr = (char*)fileMap->getDataPtr();
+                    memcpy(addr, data.string(), data.size());
+                    fileMap->release();
+                }
+            }
+        }
+        fclose(file);
+    }
+}
+
diff --git a/drm/drmserver/Android.mk b/drm/drmserver/Android.mk
new file mode 100644
index 0000000..d2ebe8e
--- /dev/null
+++ b/drm/drmserver/Android.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    main_drmserver.cpp \
+    DrmManager.cpp \
+    DrmManagerService.cpp \
+    StringTokenizer.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libutils \
+    libbinder \
+    libdl
+
+LOCAL_STATIC_LIBRARIES := libdrmframeworkcommon
+
+LOCAL_C_INCLUDES := \
+    $(TOP)/frameworks/base/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/plugins/common/include
+
+LOCAL_MODULE:= drmserver
+
+include $(BUILD_EXECUTABLE)
diff --git a/drm/drmserver/DrmManager.cpp b/drm/drmserver/DrmManager.cpp
new file mode 100644
index 0000000..44886f9
--- /dev/null
+++ b/drm/drmserver/DrmManager.cpp
@@ -0,0 +1,473 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmManager(Native)"
+#include "utils/Log.h"
+
+#include <utils/String8.h>
+#include <drm/DrmInfo.h>
+#include <drm/DrmInfoEvent.h>
+#include <drm/DrmRights.h>
+#include <drm/DrmConstraints.h>
+#include <drm/DrmInfoStatus.h>
+#include <drm/DrmInfoRequest.h>
+#include <drm/DrmSupportInfo.h>
+#include <drm/DrmConvertedStatus.h>
+#include <IDrmEngine.h>
+
+#include "DrmManager.h"
+#include "ReadWriteUtils.h"
+
+#define DECRYPT_FILE_ERROR -1
+
+using namespace android;
+
+const String8 DrmManager::EMPTY_STRING("");
+
+DrmManager::DrmManager() :
+    mDecryptSessionId(0),
+    mConvertId(0) {
+
+}
+
+DrmManager::~DrmManager() {
+
+}
+
+status_t DrmManager::loadPlugIns(int uniqueId) {
+    String8 pluginDirPath("/system/lib/drm/plugins/native");
+    return loadPlugIns(uniqueId, pluginDirPath);
+}
+
+status_t DrmManager::loadPlugIns(int uniqueId, const String8& plugInDirPath) {
+    if (mSupportInfoToPlugInIdMap.isEmpty()) {
+        mPlugInManager.loadPlugIns(plugInDirPath);
+
+        initializePlugIns(uniqueId);
+
+        populate(uniqueId);
+    } else {
+        initializePlugIns(uniqueId);
+    }
+
+    return DRM_NO_ERROR;
+}
+
+status_t DrmManager::setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener) {
+    Mutex::Autolock _l(mLock);
+    mServiceListeners.add(uniqueId, drmServiceListener);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmManager::unloadPlugIns(int uniqueId) {
+    Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
+
+    for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
+        rDrmEngine.terminate(uniqueId);
+    }
+
+    mConvertSessionMap.clear();
+    mDecryptSessionMap.clear();
+    mSupportInfoToPlugInIdMap.clear();
+    mPlugInManager.unloadPlugIns();
+    return DRM_NO_ERROR;
+}
+
+DrmConstraints* DrmManager::getConstraints(int uniqueId, const String8* path, const int action) {
+    const String8 plugInId = getSupportedPlugInIdFromPath(uniqueId, *path);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.getConstraints(uniqueId, path, action);
+    }
+    return NULL;
+}
+
+status_t DrmManager::installDrmEngine(int uniqueId, const String8& absolutePath) {
+    mPlugInManager.loadPlugIn(absolutePath);
+
+    IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(absolutePath);
+    rDrmEngine.initialize(uniqueId);
+    rDrmEngine.setOnInfoListener(uniqueId, this);
+
+    DrmSupportInfo* info = rDrmEngine.getSupportInfo(uniqueId);
+    mSupportInfoToPlugInIdMap.add(*info, absolutePath);
+
+    return DRM_NO_ERROR;
+}
+
+bool DrmManager::canHandle(int uniqueId, const String8& path, const String8& mimeType) {
+    const String8 plugInId = getSupportedPlugInId(mimeType);
+    bool result = (EMPTY_STRING != plugInId) ? true : false;
+
+    if (NULL != path) {
+        if (result) {
+            IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+            result = rDrmEngine.canHandle(uniqueId, path);
+        } else {
+            result = canHandle(uniqueId, path);
+        }
+    }
+    return result;
+}
+
+DrmInfoStatus* DrmManager::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    const String8 plugInId = getSupportedPlugInId(drmInfo->getMimeType());
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.processDrmInfo(uniqueId, drmInfo);
+    }
+    return NULL;
+}
+
+bool DrmManager::canHandle(int uniqueId, const String8& path) {
+    bool result = false;
+    Vector<String8> plugInPathList = mPlugInManager.getPlugInIdList();
+
+    for (unsigned int i = 0; i < plugInPathList.size(); ++i) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInPathList[i]);
+        result = rDrmEngine.canHandle(uniqueId, path);
+
+        if (result) {
+            break;
+        }
+    }
+    return result;
+}
+
+DrmInfo* DrmManager::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    const String8 plugInId = getSupportedPlugInId(drmInfoRequest->getMimeType());
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.acquireDrmInfo(uniqueId, drmInfoRequest);
+    }
+    return NULL;
+}
+
+void DrmManager::saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    const String8 plugInId = getSupportedPlugInId(drmRights.getMimeType());
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        rDrmEngine.saveRights(uniqueId, drmRights, rightsPath, contentPath);
+    }
+}
+
+String8 DrmManager::getOriginalMimeType(int uniqueId, const String8& path) {
+    const String8 plugInId = getSupportedPlugInIdFromPath(uniqueId, path);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.getOriginalMimeType(uniqueId, path);
+    }
+    return EMPTY_STRING;
+}
+
+int DrmManager::getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType) {
+    const String8 plugInId = getSupportedPlugInId(uniqueId, path, mimeType);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.getDrmObjectType(uniqueId, path, mimeType);
+    }
+    return DrmObjectType::UNKNOWN;
+}
+
+int DrmManager::checkRightsStatus(int uniqueId, const String8& path, int action) {
+    const String8 plugInId = getSupportedPlugInIdFromPath(uniqueId, path);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.checkRightsStatus(uniqueId, path, action);
+    }
+    return RightsStatus::RIGHTS_INVALID;
+}
+
+void DrmManager::consumeRights(
+    int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) {
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        drmEngine->consumeRights(uniqueId, decryptHandle, action, reserve);
+    }
+}
+
+void DrmManager::setPlaybackStatus(
+    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        drmEngine->setPlaybackStatus(uniqueId, decryptHandle, playbackStatus, position);
+    }
+}
+
+bool DrmManager::validateAction(
+    int uniqueId, const String8& path, int action, const ActionDescription& description) {
+    const String8 plugInId = getSupportedPlugInIdFromPath(uniqueId, path);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        return rDrmEngine.validateAction(uniqueId, path, action, description);
+    }
+    return false;
+}
+
+void DrmManager::removeRights(int uniqueId, const String8& path) {
+    const String8 plugInId = getSupportedPlugInIdFromPath(uniqueId, path);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+        rDrmEngine.removeRights(uniqueId, path);
+    }
+}
+
+void DrmManager::removeAllRights(int uniqueId) {
+    Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
+
+    for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
+        rDrmEngine.removeAllRights(uniqueId);
+    }
+}
+
+int DrmManager::openConvertSession(int uniqueId, const String8& mimeType) {
+    int convertId = -1;
+
+    const String8 plugInId = getSupportedPlugInId(mimeType);
+    if (EMPTY_STRING != plugInId) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+
+        Mutex::Autolock _l(mConvertLock);
+        ++mConvertId;
+        convertId = mConvertId;
+        mConvertSessionMap.add(mConvertId, &rDrmEngine);
+
+        rDrmEngine.openConvertSession(uniqueId, mConvertId);
+    }
+    return convertId;
+}
+
+DrmConvertedStatus* DrmManager::convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    DrmConvertedStatus *drmConvertedStatus = NULL;
+
+    if (mConvertSessionMap.indexOfKey(convertId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mConvertSessionMap.valueFor(convertId);
+        drmConvertedStatus = drmEngine->convertData(uniqueId, convertId, inputData);
+    }
+    return drmConvertedStatus;
+}
+
+DrmConvertedStatus* DrmManager::closeConvertSession(int uniqueId, int convertId) {
+    DrmConvertedStatus *drmConvertedStatus = NULL;
+
+    if (mConvertSessionMap.indexOfKey(convertId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mConvertSessionMap.valueFor(convertId);
+        drmConvertedStatus = drmEngine->closeConvertSession(uniqueId, convertId);
+        mConvertSessionMap.removeItem(convertId);
+    }
+    return drmConvertedStatus;
+}
+
+status_t DrmManager::getAllSupportInfo(
+                    int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) {
+    Vector<String8> plugInPathList = mPlugInManager.getPlugInIdList();
+    int size = plugInPathList.size();
+    int validPlugins = 0;
+
+    if (0 < size) {
+        Vector<DrmSupportInfo> drmSupportInfoList;
+
+        for (int i = 0; i < size; ++i) {
+            String8 plugInPath = plugInPathList[i];
+            DrmSupportInfo* drmSupportInfo
+                = mPlugInManager.getPlugIn(plugInPath).getSupportInfo(uniqueId);
+            if (NULL != drmSupportInfo) {
+                drmSupportInfoList.add(*drmSupportInfo);
+                delete drmSupportInfo; drmSupportInfo = NULL;
+            }
+        }
+
+        validPlugins = drmSupportInfoList.size();
+        if (0 < validPlugins) {
+            *drmSupportInfoArray = new DrmSupportInfo[validPlugins];
+            for (int i = 0; i < validPlugins; ++i) {
+                (*drmSupportInfoArray)[i] = drmSupportInfoList[i];
+            }
+        }
+    }
+    *length = validPlugins;
+    return DRM_NO_ERROR;
+}
+
+DecryptHandle* DrmManager::openDecryptSession(int uniqueId, int fd, int offset, int length) {
+    LOGV("Entering DrmManager::openDecryptSession");
+    status_t result = DRM_ERROR_CANNOT_HANDLE;
+    Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
+
+    DecryptHandle* handle = new DecryptHandle();
+    if (NULL != handle) {
+        Mutex::Autolock _l(mDecryptLock);
+        handle->decryptId = mDecryptSessionId + 1;
+
+        for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+            String8 plugInId = plugInIdList.itemAt(index);
+            IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInId);
+            result = rDrmEngine.openDecryptSession(uniqueId, handle, fd, offset, length);
+
+            LOGV("plug-in %s return value = %d", plugInId.string(), result);
+
+            if (DRM_NO_ERROR == result) {
+                ++mDecryptSessionId;
+                mDecryptSessionMap.add(mDecryptSessionId, &rDrmEngine);
+                LOGV("plug-in %s is selected", plugInId.string());
+                break;
+            }
+        }
+    }
+
+    if (DRM_ERROR_CANNOT_HANDLE == result) {
+        delete handle; handle = NULL;
+        LOGE("DrmManager::openDecryptSession: no capable plug-in found");
+    }
+
+    return handle;
+}
+
+void DrmManager::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        drmEngine->closeDecryptSession(uniqueId, decryptHandle);
+
+        mDecryptSessionMap.removeItem(decryptHandle->decryptId);
+    }
+}
+
+void DrmManager::initializeDecryptUnit(
+    int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, const DrmBuffer* headerInfo) {
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        drmEngine->initializeDecryptUnit(uniqueId, decryptHandle, decryptUnitId, headerInfo);
+    }
+}
+
+status_t DrmManager::decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    status_t status = DRM_ERROR_UNKNOWN;
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        status = drmEngine->decrypt(uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer);
+    }
+    return status;
+}
+
+void DrmManager::finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        drmEngine->finalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId);
+    }
+}
+
+ssize_t DrmManager::pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) {
+    ssize_t result = DECRYPT_FILE_ERROR;
+
+    if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
+        IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
+        result = drmEngine->pread(uniqueId, decryptHandle, buffer, numBytes, offset);
+    }
+    return result;
+}
+
+void DrmManager::initializePlugIns(int uniqueId) {
+    Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
+
+    for (unsigned int index = 0; index < plugInIdList.size(); index++) {
+        IDrmEngine& rDrmEngine = mPlugInManager.getPlugIn(plugInIdList.itemAt(index));
+        rDrmEngine.initialize(uniqueId);
+        rDrmEngine.setOnInfoListener(uniqueId, this);
+    }
+}
+
+void DrmManager::populate(int uniqueId) {
+    Vector<String8> plugInPathList = mPlugInManager.getPlugInIdList();
+
+    for (unsigned int i = 0; i < plugInPathList.size(); ++i) {
+        String8 plugInPath = plugInPathList[i];
+        DrmSupportInfo* info = mPlugInManager.getPlugIn(plugInPath).getSupportInfo(uniqueId);
+        if (NULL != info) {
+            mSupportInfoToPlugInIdMap.add(*info, plugInPath);
+        }
+    }
+}
+
+String8 DrmManager::getSupportedPlugInId(
+            int uniqueId, const String8& path, const String8& mimeType) {
+    String8 plugInId("");
+
+    if (EMPTY_STRING != mimeType) {
+        plugInId = getSupportedPlugInId(mimeType);
+    } else {
+        plugInId = getSupportedPlugInIdFromPath(uniqueId, path);
+    }
+    return plugInId;
+}
+
+String8 DrmManager::getSupportedPlugInId(const String8& mimeType) {
+    String8 plugInId("");
+
+    if (EMPTY_STRING != mimeType) {
+        for (unsigned int index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
+            const DrmSupportInfo& drmSupportInfo = mSupportInfoToPlugInIdMap.keyAt(index);
+
+            if (drmSupportInfo.isSupportedMimeType(mimeType)) {
+                plugInId = mSupportInfoToPlugInIdMap.valueFor(drmSupportInfo);
+                break;
+            }
+        }
+    }
+    return plugInId;
+}
+
+String8 DrmManager::getSupportedPlugInIdFromPath(int uniqueId, const String8& path) {
+    String8 plugInId("");
+    const String8 fileSuffix = path.getPathExtension();
+
+    for (unsigned int index = 0; index < mSupportInfoToPlugInIdMap.size(); index++) {
+        const DrmSupportInfo& drmSupportInfo = mSupportInfoToPlugInIdMap.keyAt(index);
+
+        if (drmSupportInfo.isSupportedFileSuffix(fileSuffix)) {
+            String8 key = mSupportInfoToPlugInIdMap.valueFor(drmSupportInfo);
+            IDrmEngine& drmEngine = mPlugInManager.getPlugIn(key);
+
+            if (drmEngine.canHandle(uniqueId, path)) {
+                plugInId = key;
+                break;
+            }
+        }
+    }
+    return plugInId;
+}
+
+void DrmManager::onInfo(const DrmInfoEvent& event) {
+    Mutex::Autolock _l(mLock);
+    for (unsigned int index = 0; index < mServiceListeners.size(); index++) {
+        int uniqueId = mServiceListeners.keyAt(index);
+
+        if (uniqueId == event.getUniqueId()) {
+            sp<IDrmServiceListener> serviceListener = mServiceListeners.valueFor(uniqueId);
+            serviceListener->notify(event);
+        }
+    }
+}
+
diff --git a/drm/drmserver/DrmManagerService.cpp b/drm/drmserver/DrmManagerService.cpp
new file mode 100644
index 0000000..9d000e9
--- /dev/null
+++ b/drm/drmserver/DrmManagerService.cpp
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmManagerService(Native)"
+#include <utils/Log.h>
+
+#include <errno.h>
+#include <utils/threads.h>
+#include <binder/IServiceManager.h>
+#include <sys/stat.h>
+#include "DrmManagerService.h"
+#include "DrmManager.h"
+
+using namespace android;
+
+#define SUCCESS 0
+#define DRM_DIRECTORY_PERMISSION 0700
+
+void DrmManagerService::instantiate() {
+    LOGV("instantiate");
+
+    int res = mkdir("/data/drm/plugins", DRM_DIRECTORY_PERMISSION);
+    if (SUCCESS == res || EEXIST == errno) {
+        res = mkdir("/data/drm/plugins/native", DRM_DIRECTORY_PERMISSION);
+        if (SUCCESS == res || EEXIST == errno) {
+            res = mkdir("/data/drm/plugins/native/databases", DRM_DIRECTORY_PERMISSION);
+            if (SUCCESS == res || EEXIST == errno) {
+                defaultServiceManager()
+                    ->addService(String16("drm.drmManager"), new DrmManagerService());
+            }
+        }
+    }
+}
+
+DrmManagerService::DrmManagerService() {
+    LOGV("created");
+    mDrmManager = NULL;
+    mDrmManager = new DrmManager();
+}
+
+DrmManagerService::~DrmManagerService() {
+    LOGV("Destroyed");
+    delete mDrmManager; mDrmManager = NULL;
+}
+
+status_t DrmManagerService::loadPlugIns(int uniqueId) {
+    LOGV("Entering load plugins");
+    return mDrmManager->loadPlugIns(uniqueId);
+}
+
+status_t DrmManagerService::loadPlugIns(int uniqueId, const String8& plugInDirPath) {
+    LOGV("Entering load plugins from path");
+    return mDrmManager->loadPlugIns(uniqueId, plugInDirPath);
+}
+
+status_t DrmManagerService::setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener) {
+    LOGV("Entering setDrmServiceListener");
+    mDrmManager->setDrmServiceListener(uniqueId, drmServiceListener);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmManagerService::unloadPlugIns(int uniqueId) {
+    LOGV("Entering unload plugins");
+    return mDrmManager->unloadPlugIns(uniqueId);
+}
+
+status_t DrmManagerService::installDrmEngine(int uniqueId, const String8& drmEngineFile) {
+    LOGV("Entering installDrmEngine");
+    return mDrmManager->installDrmEngine(uniqueId, drmEngineFile);
+}
+
+DrmConstraints* DrmManagerService::getConstraints(
+            int uniqueId, const String8* path, const int action) {
+    LOGV("Entering getConstraints from content");
+    return mDrmManager->getConstraints(uniqueId, path, action);
+}
+
+bool DrmManagerService::canHandle(int uniqueId, const String8& path, const String8& mimeType) {
+    LOGV("Entering canHandle");
+    return mDrmManager->canHandle(uniqueId, path, mimeType);
+}
+
+DrmInfoStatus* DrmManagerService::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    LOGV("Entering processDrmInfo");
+    return mDrmManager->processDrmInfo(uniqueId, drmInfo);
+}
+
+DrmInfo* DrmManagerService::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    LOGV("Entering acquireDrmInfo");
+    return mDrmManager->acquireDrmInfo(uniqueId, drmInfoRequest);
+}
+
+void DrmManagerService::saveRights(
+            int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    LOGV("Entering saveRights");
+    return mDrmManager->saveRights(uniqueId, drmRights, rightsPath, contentPath);
+}
+
+String8 DrmManagerService::getOriginalMimeType(int uniqueId, const String8& path) {
+    LOGV("Entering getOriginalMimeType");
+    return mDrmManager->getOriginalMimeType(uniqueId, path);
+}
+
+int DrmManagerService::getDrmObjectType(
+           int uniqueId, const String8& path, const String8& mimeType) {
+    LOGV("Entering getDrmObjectType");
+    return mDrmManager->getDrmObjectType(uniqueId, path, mimeType);
+}
+
+int DrmManagerService::checkRightsStatus(
+            int uniqueId, const String8& path, int action) {
+    LOGV("Entering checkRightsStatus");
+    return mDrmManager->checkRightsStatus(uniqueId, path, action);
+}
+
+void DrmManagerService::consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) {
+    LOGV("Entering consumeRights");
+    mDrmManager->consumeRights(uniqueId, decryptHandle, action, reserve);
+}
+
+void DrmManagerService::setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    LOGV("Entering setPlaybackStatus");
+    mDrmManager->setPlaybackStatus(uniqueId, decryptHandle, playbackStatus, position);
+}
+
+bool DrmManagerService::validateAction(
+            int uniqueId, const String8& path,
+            int action, const ActionDescription& description) {
+    LOGV("Entering validateAction");
+    return mDrmManager->validateAction(uniqueId, path, action, description);
+}
+
+void DrmManagerService::removeRights(int uniqueId, const String8& path) {
+    LOGV("Entering removeRights");
+    mDrmManager->removeRights(uniqueId, path);
+}
+
+void DrmManagerService::removeAllRights(int uniqueId) {
+    LOGV("Entering removeAllRights");
+    mDrmManager->removeAllRights(uniqueId);
+}
+
+int DrmManagerService::openConvertSession(int uniqueId, const String8& mimeType) {
+    LOGV("Entering openConvertSession");
+    return mDrmManager->openConvertSession(uniqueId, mimeType);
+}
+
+DrmConvertedStatus* DrmManagerService::convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    LOGV("Entering convertData");
+    return mDrmManager->convertData(uniqueId, convertId, inputData);
+}
+
+DrmConvertedStatus* DrmManagerService::closeConvertSession(int uniqueId, int convertId) {
+    LOGV("Entering closeConvertSession");
+    return mDrmManager->closeConvertSession(uniqueId, convertId);
+}
+
+status_t DrmManagerService::getAllSupportInfo(
+            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) {
+    LOGV("Entering getAllSupportInfo");
+    return mDrmManager->getAllSupportInfo(uniqueId, length, drmSupportInfoArray);
+}
+
+DecryptHandle* DrmManagerService::openDecryptSession(
+            int uniqueId, int fd, int offset, int length) {
+    LOGV("Entering DrmManagerService::openDecryptSession");
+    return mDrmManager->openDecryptSession(uniqueId, fd, offset, length);
+}
+
+void DrmManagerService::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    LOGV("Entering closeDecryptSession");
+    mDrmManager->closeDecryptSession(uniqueId, decryptHandle);
+}
+
+void DrmManagerService::initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) {
+    LOGV("Entering initializeDecryptUnit");
+    mDrmManager->initializeDecryptUnit(uniqueId,decryptHandle, decryptUnitId, headerInfo);
+}
+
+status_t DrmManagerService::decrypt(
+            int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    LOGV("Entering decrypt");
+    return mDrmManager->decrypt(uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer);
+}
+
+void DrmManagerService::finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    LOGV("Entering finalizeDecryptUnit");
+    mDrmManager->finalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId);
+}
+
+ssize_t DrmManagerService::pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) {
+    LOGV("Entering pread");
+    return mDrmManager->pread(uniqueId, decryptHandle, buffer, numBytes, offset);
+}
+
diff --git a/drm/drmserver/StringTokenizer.cpp b/drm/drmserver/StringTokenizer.cpp
new file mode 100644
index 0000000..367c9bd
--- /dev/null
+++ b/drm/drmserver/StringTokenizer.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "StringTokenizer.h"
+
+using namespace android;
+
+StringTokenizer::StringTokenizer(const String8& string, const String8& delimiter) {
+    splitString(string, delimiter);
+}
+
+void StringTokenizer::splitString(const String8& string, const String8& delimiter) {
+    for (unsigned int i = 0; i < string.length(); i++) {
+        unsigned int position = string.find(delimiter.string(), i);
+        if (string.length() != position) {
+            String8 token(string.string()+i, position-i);
+            if (token.length()) {
+                mStringTokenizerVector.push(token);
+                i = position + delimiter.length() - 1;
+            }
+        } else {
+            mStringTokenizerVector.push(String8(string.string()+i, string.length()-i));
+            break;
+        }
+    }
+}
+
+StringTokenizer::Iterator StringTokenizer::iterator() {
+    return Iterator(this);
+}
+
+StringTokenizer::Iterator::Iterator(const StringTokenizer::Iterator& iterator) :
+    mStringTokenizer(iterator.mStringTokenizer),
+    mIndex(iterator.mIndex) {
+    LOGV("StringTokenizer::Iterator::Iterator");
+}
+
+StringTokenizer::Iterator& StringTokenizer::Iterator::operator=(
+            const StringTokenizer::Iterator& iterator) {
+    LOGV("StringTokenizer::Iterator::operator=");
+    mStringTokenizer = iterator.mStringTokenizer;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool StringTokenizer::Iterator::hasNext() {
+    return mIndex < mStringTokenizer->mStringTokenizerVector.size();
+}
+
+String8& StringTokenizer::Iterator::next() {
+    String8& value = mStringTokenizer->mStringTokenizerVector.editItemAt(mIndex);
+    mIndex++;
+    return value;
+}
+
diff --git a/drm/drmserver/main_drmserver.cpp b/drm/drmserver/main_drmserver.cpp
new file mode 100644
index 0000000..6d10646
--- /dev/null
+++ b/drm/drmserver/main_drmserver.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <grp.h>
+
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+#include <utils/Log.h>
+#include <private/android_filesystem_config.h>
+
+#include <DrmManagerService.h>
+
+using namespace android;
+
+int main(int argc, char** argv)
+{
+    sp<ProcessState> proc(ProcessState::self());
+    sp<IServiceManager> sm = defaultServiceManager();
+    LOGI("ServiceManager: %p", sm.get());
+    DrmManagerService::instantiate();
+    ProcessState::self()->startThreadPool();
+    IPCThreadState::self()->joinThreadPool();
+}
+
diff --git a/drm/libdrmframework/Android.mk b/drm/libdrmframework/Android.mk
new file mode 100644
index 0000000..c25d79b
--- /dev/null
+++ b/drm/libdrmframework/Android.mk
@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    DrmManagerClientImpl.cpp \
+    DrmManagerClient.cpp
+
+LOCAL_MODULE:= libdrmframework
+
+LOCAL_SHARED_LIBRARIES := \
+    libutils \
+    libbinder \
+    libdl
+
+LOCAL_STATIC_LIBRARIES := \
+    libdrmframeworkcommon
+
+LOCAL_C_INCLUDES += \
+    $(TOP)/frameworks/base/drm/libdrmframework/include \
+    $(TOP)/frameworks/base/include
+
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/drm/libdrmframework/DrmManagerClient.cpp b/drm/libdrmframework/DrmManagerClient.cpp
new file mode 100644
index 0000000..06c7c50
--- /dev/null
+++ b/drm/libdrmframework/DrmManagerClient.cpp
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmManagerClient(Native)"
+#include <utils/Log.h>
+
+#include <utils/String8.h>
+#include <binder/IServiceManager.h>
+#include <drm/DrmManagerClient.h>
+
+#include "DrmManagerClientImpl.h"
+
+using namespace android;
+
+DrmManagerClient::DrmManagerClient() {
+    int uniqueId = 0;
+    mDrmManagerClientImpl = NULL;
+
+    mDrmManagerClientImpl = DrmManagerClientImpl::create(&uniqueId);
+    mUniqueId = uniqueId;
+
+    loadPlugIns();
+}
+
+DrmManagerClient::~DrmManagerClient() {
+    unloadPlugIns();
+    DrmManagerClientImpl::remove(mUniqueId);
+
+    delete mDrmManagerClientImpl; mDrmManagerClientImpl = NULL;
+}
+
+status_t DrmManagerClient::loadPlugIns() {
+    return mDrmManagerClientImpl->loadPlugIns(mUniqueId);
+}
+
+status_t DrmManagerClient::setOnInfoListener(
+                    const sp<DrmManagerClient::OnInfoListener>& infoListener) {
+    return mDrmManagerClientImpl->setOnInfoListener(mUniqueId, infoListener);
+}
+
+status_t DrmManagerClient::unloadPlugIns() {
+    return mDrmManagerClientImpl->unloadPlugIns(mUniqueId);
+}
+
+DrmConstraints* DrmManagerClient::getConstraints(const String8* path, const int action) {
+    return mDrmManagerClientImpl->getConstraints(mUniqueId, path, action);
+}
+
+bool DrmManagerClient::canHandle(const String8& path, const String8& mimeType) {
+    return mDrmManagerClientImpl->canHandle(mUniqueId, path, mimeType);
+}
+
+DrmInfoStatus* DrmManagerClient::processDrmInfo(const DrmInfo* drmInfo) {
+    return mDrmManagerClientImpl->processDrmInfo(mUniqueId, drmInfo);
+}
+
+DrmInfo* DrmManagerClient::acquireDrmInfo(const DrmInfoRequest* drmInfoRequest) {
+    return mDrmManagerClientImpl->acquireDrmInfo(mUniqueId, drmInfoRequest);
+}
+
+void DrmManagerClient::saveRights(
+        const DrmRights& drmRights, const String8& rightsPath, const String8& contentPath) {
+    return mDrmManagerClientImpl->saveRights(mUniqueId, drmRights, rightsPath, contentPath);
+}
+
+String8 DrmManagerClient::getOriginalMimeType(const String8& path) {
+    return mDrmManagerClientImpl->getOriginalMimeType(mUniqueId, path);
+}
+
+int DrmManagerClient::getDrmObjectType(const String8& path, const String8& mimeType) {
+    return mDrmManagerClientImpl->getDrmObjectType( mUniqueId, path, mimeType);
+}
+
+int DrmManagerClient::checkRightsStatus(const String8& path, int action) {
+    return mDrmManagerClientImpl->checkRightsStatus(mUniqueId, path, action);
+}
+
+void DrmManagerClient::consumeRights(DecryptHandle* decryptHandle, int action, bool reserve) {
+    mDrmManagerClientImpl->consumeRights(mUniqueId, decryptHandle, action, reserve);
+}
+
+void DrmManagerClient::setPlaybackStatus(
+            DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    mDrmManagerClientImpl->setPlaybackStatus(mUniqueId, decryptHandle, playbackStatus, position);
+}
+
+bool DrmManagerClient::validateAction(
+            const String8& path, int action, const ActionDescription& description) {
+    return mDrmManagerClientImpl->validateAction(mUniqueId, path, action, description);
+}
+
+void DrmManagerClient::removeRights(const String8& path) {
+    mDrmManagerClientImpl->removeRights(mUniqueId, path);
+}
+
+void DrmManagerClient::removeAllRights() {
+    mDrmManagerClientImpl->removeAllRights(mUniqueId);
+}
+
+int DrmManagerClient::openConvertSession(const String8& mimeType) {
+    return mDrmManagerClientImpl->openConvertSession(mUniqueId, mimeType);
+}
+
+DrmConvertedStatus* DrmManagerClient::convertData(int convertId, const DrmBuffer* inputData) {
+    return mDrmManagerClientImpl->convertData(mUniqueId, convertId, inputData);
+}
+
+DrmConvertedStatus* DrmManagerClient::closeConvertSession(int convertId) {
+    return mDrmManagerClientImpl->closeConvertSession(mUniqueId, convertId);
+}
+
+status_t DrmManagerClient::getAllSupportInfo(int* length, DrmSupportInfo** drmSupportInfoArray) {
+    return mDrmManagerClientImpl->getAllSupportInfo(mUniqueId, length, drmSupportInfoArray);
+}
+
+DecryptHandle* DrmManagerClient::openDecryptSession(int fd, int offset, int length) {
+    return mDrmManagerClientImpl->openDecryptSession(mUniqueId, fd, offset, length);
+}
+
+void DrmManagerClient::closeDecryptSession(DecryptHandle* decryptHandle) {
+    mDrmManagerClientImpl->closeDecryptSession(mUniqueId, decryptHandle);
+}
+
+void DrmManagerClient::initializeDecryptUnit(
+            DecryptHandle* decryptHandle, int decryptUnitId, const DrmBuffer* headerInfo) {
+    mDrmManagerClientImpl->initializeDecryptUnit(
+        mUniqueId, decryptHandle, decryptUnitId, headerInfo);
+}
+
+status_t DrmManagerClient::decrypt(
+    DecryptHandle* decryptHandle, int decryptUnitId,
+    const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    return mDrmManagerClientImpl->decrypt(
+            mUniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer);
+}
+
+void DrmManagerClient::finalizeDecryptUnit(DecryptHandle* decryptHandle, int decryptUnitId) {
+    mDrmManagerClientImpl->finalizeDecryptUnit(mUniqueId, decryptHandle, decryptUnitId);
+}
+
+ssize_t DrmManagerClient::pread(
+            DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset) {
+    return mDrmManagerClientImpl->pread(mUniqueId, decryptHandle, buffer, numBytes, offset);
+}
+
diff --git a/drm/libdrmframework/DrmManagerClientImpl.cpp b/drm/libdrmframework/DrmManagerClientImpl.cpp
new file mode 100644
index 0000000..7274b49
--- /dev/null
+++ b/drm/libdrmframework/DrmManagerClientImpl.cpp
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmManagerClientImpl(Native)"
+#include <utils/Log.h>
+
+#include <utils/String8.h>
+#include <utils/Vector.h>
+#include <binder/IServiceManager.h>
+
+#include "DrmManagerClientImpl.h"
+
+using namespace android;
+
+#define INVALID_VALUE -1
+
+Mutex DrmManagerClientImpl::mMutex;
+Vector<int> DrmManagerClientImpl::mUniqueIdVector;
+sp<IDrmManagerService> DrmManagerClientImpl::mDrmManagerService;
+const String8 DrmManagerClientImpl::EMPTY_STRING("");
+
+DrmManagerClientImpl* DrmManagerClientImpl::create(int* pUniqueId) {
+    if (0 == *pUniqueId) {
+        int uniqueId = 0;
+        bool foundUniqueId = false;
+        srand(time(NULL));
+
+        while (!foundUniqueId) {
+            const int size = mUniqueIdVector.size();
+            uniqueId = rand() % 100;
+
+            int index = 0;
+            for (; index < size; ++index) {
+                if (mUniqueIdVector.itemAt(index) == uniqueId) {
+                    foundUniqueId = false;
+                    break;
+                }
+            }
+            if (index == size) {
+                foundUniqueId = true;
+            }
+        }
+        *pUniqueId = uniqueId;
+    }
+    mUniqueIdVector.push(*pUniqueId);
+    return new DrmManagerClientImpl();
+}
+
+void DrmManagerClientImpl::remove(int uniqueId) {
+    for (int i = 0; i < mUniqueIdVector.size(); i++) {
+        if (uniqueId == mUniqueIdVector.itemAt(i)) {
+            mUniqueIdVector.removeAt(i);
+            break;
+        }
+    }
+}
+
+DrmManagerClientImpl::DrmManagerClientImpl() {
+
+}
+
+DrmManagerClientImpl::~DrmManagerClientImpl() {
+
+}
+
+const sp<IDrmManagerService>& DrmManagerClientImpl::getDrmManagerService() {
+    mMutex.lock();
+    if (NULL == mDrmManagerService.get()) {
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IBinder> binder;
+        do {
+            binder = sm->getService(String16("drm.drmManager"));
+            if (binder != 0) {
+                break;
+            }
+            LOGW("DrmManagerService not published, waiting...");
+            struct timespec reqt;
+            reqt.tv_sec  = 0;
+            reqt.tv_nsec = 500000000; //0.5 sec
+            nanosleep(&reqt, NULL);
+        } while (true);
+
+        mDrmManagerService = interface_cast<IDrmManagerService>(binder);
+    }
+    mMutex.unlock();
+    return mDrmManagerService;
+}
+
+status_t DrmManagerClientImpl::loadPlugIns(int uniqueId) {
+    return getDrmManagerService()->loadPlugIns(uniqueId);
+}
+
+status_t DrmManagerClientImpl::loadPlugIns(int uniqueId, const String8& plugInDirPath) {
+    status_t status = DRM_ERROR_UNKNOWN;
+    if (EMPTY_STRING != plugInDirPath) {
+        status = getDrmManagerService()->loadPlugIns(uniqueId, plugInDirPath);
+    }
+    return status;
+}
+
+status_t DrmManagerClientImpl::setOnInfoListener(
+            int uniqueId, const sp<DrmManagerClient::OnInfoListener>& infoListener) {
+    Mutex::Autolock _l(mLock);
+    mOnInfoListener = infoListener;
+    return getDrmManagerService()->setDrmServiceListener(uniqueId, this);
+}
+
+status_t DrmManagerClientImpl::unloadPlugIns(int uniqueId) {
+    return getDrmManagerService()->unloadPlugIns(uniqueId);
+}
+
+status_t DrmManagerClientImpl::installDrmEngine(int uniqueId, const String8& drmEngineFile) {
+    status_t status = DRM_ERROR_UNKNOWN;
+    if (EMPTY_STRING != drmEngineFile) {
+        status = getDrmManagerService()->installDrmEngine(uniqueId, drmEngineFile);
+    }
+    return status;
+}
+
+DrmConstraints* DrmManagerClientImpl::getConstraints(
+        int uniqueId, const String8* path, const int action) {
+    DrmConstraints *drmConstraints = NULL;
+    if ((NULL != path) && (EMPTY_STRING != *path)) {
+        drmConstraints = getDrmManagerService()->getConstraints(uniqueId, path, action);
+    }
+    return drmConstraints;
+}
+
+bool DrmManagerClientImpl::canHandle(int uniqueId, const String8& path, const String8& mimeType) {
+    bool retCode = false;
+    if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) {
+        retCode = getDrmManagerService()->canHandle(uniqueId, path, mimeType);
+    }
+    return retCode;
+}
+
+DrmInfoStatus* DrmManagerClientImpl::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    DrmInfoStatus *drmInfoStatus = NULL;
+    if (NULL != drmInfo) {
+        drmInfoStatus = getDrmManagerService()->processDrmInfo(uniqueId, drmInfo);
+    }
+    return drmInfoStatus;
+}
+
+DrmInfo* DrmManagerClientImpl::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    DrmInfo* drmInfo = NULL;
+    if (NULL != drmInfoRequest) {
+        drmInfo = getDrmManagerService()->acquireDrmInfo(uniqueId, drmInfoRequest);
+    }
+    return drmInfo;
+}
+
+void DrmManagerClientImpl::saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    if (EMPTY_STRING != contentPath) {
+        getDrmManagerService()->saveRights(uniqueId, drmRights, rightsPath, contentPath);
+    }
+}
+
+String8 DrmManagerClientImpl::getOriginalMimeType(int uniqueId, const String8& path) {
+    String8 mimeType = EMPTY_STRING;
+    if (EMPTY_STRING != path) {
+        mimeType = getDrmManagerService()->getOriginalMimeType(uniqueId, path);
+    }
+    return mimeType;
+}
+
+int DrmManagerClientImpl::getDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) {
+    int drmOjectType = DrmObjectType::UNKNOWN;
+    if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) {
+         drmOjectType = getDrmManagerService()->getDrmObjectType(uniqueId, path, mimeType);
+    }
+    return drmOjectType;
+}
+
+int DrmManagerClientImpl::checkRightsStatus(
+            int uniqueId, const String8& path, int action) {
+    int rightsStatus = RightsStatus::RIGHTS_INVALID;
+    if (EMPTY_STRING != path) {
+        rightsStatus = getDrmManagerService()->checkRightsStatus(uniqueId, path, action);
+    }
+    return rightsStatus;
+}
+
+void DrmManagerClientImpl::consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) {
+    if (NULL != decryptHandle) {
+        getDrmManagerService()->consumeRights(uniqueId, decryptHandle, action, reserve);
+    }
+}
+
+void DrmManagerClientImpl::setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    if (NULL != decryptHandle) {
+        getDrmManagerService()->setPlaybackStatus(
+                uniqueId, decryptHandle, playbackStatus, position);
+    }
+}
+
+bool DrmManagerClientImpl::validateAction(
+            int uniqueId, const String8& path, int action, const ActionDescription& description) {
+    bool retCode = false;
+    if (EMPTY_STRING != path) {
+        retCode = getDrmManagerService()->validateAction(uniqueId, path, action, description);
+    }
+    return retCode;
+}
+
+void DrmManagerClientImpl::removeRights(int uniqueId, const String8& path) {
+    if (EMPTY_STRING != path) {
+        getDrmManagerService()->removeRights(uniqueId, path);
+    }
+}
+
+void DrmManagerClientImpl::removeAllRights(int uniqueId) {
+    getDrmManagerService()->removeAllRights(uniqueId);
+}
+
+int DrmManagerClientImpl::openConvertSession(int uniqueId, const String8& mimeType) {
+    int retCode = INVALID_VALUE;
+    if (EMPTY_STRING != mimeType) {
+        retCode = getDrmManagerService()->openConvertSession(uniqueId, mimeType);
+    }
+    return retCode;
+}
+
+DrmConvertedStatus* DrmManagerClientImpl::convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    DrmConvertedStatus* drmConvertedStatus = NULL;
+    if (NULL != inputData) {
+         drmConvertedStatus = getDrmManagerService()->convertData(uniqueId, convertId, inputData);
+    }
+    return drmConvertedStatus;
+}
+
+DrmConvertedStatus* DrmManagerClientImpl::closeConvertSession(int uniqueId, int convertId) {
+    return getDrmManagerService()->closeConvertSession(uniqueId, convertId);
+}
+
+status_t DrmManagerClientImpl::getAllSupportInfo(
+            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) {
+    status_t status = DRM_ERROR_UNKNOWN;
+    if ((NULL != drmSupportInfoArray) && (NULL != length)) {
+        status = getDrmManagerService()->getAllSupportInfo(uniqueId, length, drmSupportInfoArray);
+    }
+    return status;
+}
+
+DecryptHandle* DrmManagerClientImpl::openDecryptSession(
+            int uniqueId, int fd, int offset, int length) {
+    LOGV("Entering DrmManagerClientImpl::openDecryptSession");
+    return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length);
+}
+
+void DrmManagerClientImpl::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    if (NULL != decryptHandle) {
+        getDrmManagerService()->closeDecryptSession( uniqueId, decryptHandle);
+    }
+}
+
+void DrmManagerClientImpl::initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) {
+    if ((NULL != decryptHandle) && (NULL != headerInfo)) {
+        getDrmManagerService()->initializeDecryptUnit(
+                uniqueId, decryptHandle, decryptUnitId, headerInfo);
+    }
+}
+
+status_t DrmManagerClientImpl::decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    status_t status = DRM_ERROR_UNKNOWN;
+    if ((NULL != decryptHandle) && (NULL != encBuffer)
+        && (NULL != decBuffer) && (NULL != *decBuffer)) {
+        status = getDrmManagerService()->decrypt(
+                uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer);
+    }
+    return status;
+}
+
+void DrmManagerClientImpl::finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    if (NULL != decryptHandle) {
+        getDrmManagerService()->finalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId);
+    }
+}
+
+ssize_t DrmManagerClientImpl::pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) {
+    ssize_t retCode = INVALID_VALUE;
+    if ((NULL != decryptHandle) && (NULL != buffer) && (0 < numBytes)) {
+        retCode = getDrmManagerService()->pread(uniqueId, decryptHandle, buffer, numBytes, offset);
+    }
+    return retCode;
+}
+
+status_t DrmManagerClientImpl::notify(const DrmInfoEvent& event) {
+    if (NULL != mOnInfoListener.get()) {
+        Mutex::Autolock _l(mLock);
+        sp<DrmManagerClient::OnInfoListener> listener = mOnInfoListener;
+        listener->onInfo(event);
+    }
+    return DRM_NO_ERROR;
+}
+
diff --git a/drm/libdrmframework/include/DrmIOService.h b/drm/libdrmframework/include/DrmIOService.h
new file mode 100644
index 0000000..244124e
--- /dev/null
+++ b/drm/libdrmframework/include/DrmIOService.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_IO_SERVICE_H__
+#define __DRM_IO_SERVICE_H__
+
+#include "IDrmIOService.h"
+
+namespace android {
+
+/**
+ * This is the implementation class for DRM IO service.
+ *
+ * The instance of this class is created while starting the DRM IO service.
+ *
+ */
+class DrmIOService : public BnDrmIOService {
+public:
+    static void instantiate();
+
+private:
+    DrmIOService();
+    virtual ~DrmIOService();
+
+public:
+    void writeToFile(const String8& filePath, const String8& dataBuffer);
+    String8 readFromFile(const String8& filePath);
+};
+
+};
+
+#endif /* __DRM_IO_SERVICE_H__ */
+
diff --git a/drm/libdrmframework/include/DrmManager.h b/drm/libdrmframework/include/DrmManager.h
new file mode 100644
index 0000000..2ba9e99
--- /dev/null
+++ b/drm/libdrmframework/include/DrmManager.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_MANAGER_H__
+#define __DRM_MANAGER_H__
+
+#include <utils/Errors.h>
+#include <utils/threads.h>
+#include <drm/drm_framework_common.h>
+#include "IDrmEngine.h"
+#include "PlugInManager.h"
+#include "IDrmServiceListener.h"
+
+namespace android {
+
+class IDrmManager;
+class DrmRegistrationInfo;
+class DrmUnregistrationInfo;
+class DrmRightsAcquisitionInfo;
+class DrmContentIds;
+class DrmConstraints;
+class DrmRights;
+class DrmInfo;
+class DrmInfoStatus;
+class DrmConvertedStatus;
+class DrmInfoRequest;
+class DrmSupportInfo;
+class ActionDescription;
+
+/**
+ * This is implementation class for DRM Manager. This class delegates the
+ * functionality to corresponding DRM Engine.
+ *
+ * The DrmManagerService class creates an instance of this class.
+ *
+ */
+class DrmManager : public IDrmEngine::OnInfoListener {
+public:
+    DrmManager();
+    virtual ~DrmManager();
+
+public:
+
+    status_t loadPlugIns(int uniqueId);
+
+    status_t loadPlugIns(int uniqueId, const String8& plugInDirPath);
+
+    status_t setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener);
+
+    status_t unloadPlugIns(int uniqueId);
+
+    status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
+
+    DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
+
+    bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
+
+    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
+
+    void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    String8 getOriginalMimeType(int uniqueId, const String8& path);
+
+    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    int checkRightsStatus(int uniqueId, const String8& path, int action);
+
+    void consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    bool validateAction(
+            int uniqueId, const String8& path, int action, const ActionDescription& description);
+
+    void removeRights(int uniqueId, const String8& path);
+
+    void removeAllRights(int uniqueId);
+
+    int openConvertSession(int uniqueId, const String8& mimeType);
+
+    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
+
+    status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
+
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+
+    void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+    void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer,DrmBuffer** decBuffer);
+
+    void finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+
+    void onInfo(const DrmInfoEvent& event);
+
+private:
+    String8 getSupportedPlugInId(int uniqueId, const String8& path, const String8& mimeType);
+
+    String8 getSupportedPlugInId(const String8& mimeType);
+
+    String8 getSupportedPlugInIdFromPath(int uniqueId, const String8& path);
+
+    void populate(int uniqueId);
+
+    bool canHandle(int uniqueId, const String8& path);
+
+    void initializePlugIns(int uniqueId);
+
+private:
+    static const String8 EMPTY_STRING;
+
+    int mDecryptSessionId;
+    int mConvertId;
+    Mutex mLock;
+    Mutex mDecryptLock;
+    Mutex mConvertLock;
+    TPlugInManager<IDrmEngine> mPlugInManager;
+    KeyedVector< DrmSupportInfo, String8 > mSupportInfoToPlugInIdMap;
+    KeyedVector< int, IDrmEngine*> mConvertSessionMap;
+    KeyedVector< int, sp<IDrmServiceListener> > mServiceListeners;
+    KeyedVector< int, IDrmEngine*> mDecryptSessionMap;
+};
+
+};
+
+#endif /* __DRM_MANAGER_H__ */
+
diff --git a/drm/libdrmframework/include/DrmManagerClientImpl.h b/drm/libdrmframework/include/DrmManagerClientImpl.h
new file mode 100644
index 0000000..e70e6e1
--- /dev/null
+++ b/drm/libdrmframework/include/DrmManagerClientImpl.h
@@ -0,0 +1,400 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_MANAGER_CLIENT_IMPL_H__
+#define __DRM_MANAGER_CLIENT_IMPL_H__
+
+#include <binder/IMemory.h>
+#include <utils/threads.h>
+#include <drm/DrmManagerClient.h>
+
+#include "IDrmManagerService.h"
+
+namespace android {
+
+class DrmInfoEvent;
+/**
+ * This is implementation class for DrmManagerClient class.
+ *
+ * Only the JNI layer creates an instance of this class to delegate
+ * functionality to Native later.
+ *
+ */
+class DrmManagerClientImpl : public BnDrmServiceListener {
+private:
+    DrmManagerClientImpl();
+
+public:
+    static DrmManagerClientImpl* create(int* pUniqueId);
+
+    static void remove(int uniqueId);
+
+    virtual ~DrmManagerClientImpl();
+
+public:
+    /**
+     * Initialize DRM Manager
+     *     load available plug-ins from default plugInDirPath
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t loadPlugIns(int uniqueId);
+
+    /**
+     * Finalize DRM Manager
+     *     release resources associated with each plug-in
+     *     unload all plug-ins and etc.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t unloadPlugIns(int uniqueId);
+
+    /**
+     * Register a callback to be invoked when the caller required to
+     * receive necessary information
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] infoListener Listener
+     * @return status_t
+     *            Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t setOnInfoListener(
+            int uniqueId, const sp<DrmManagerClient::OnInfoListener>& infoListener);
+
+    /**
+     * Get constraint information associated with input content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Actions defined such as,
+     *     Action::DEFAULT, Action::PLAY, etc
+     * @return DrmConstraints
+     *     key-value pairs of constraint are embedded in it
+     * @note
+     *     In case of error, return NULL
+     */
+    DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
+
+    /**
+     * Check whether the given mimetype or path can be handled
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the content needs to be handled
+     * @param[in] mimetype Mimetype of the content needs to be handled
+     * @return
+     *     True if DrmManager can handle given path or mime type.
+     */
+    bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
+
+    /**
+     * Executes given drm information based on its type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfo Information needs to be processed
+     * @return DrmInfoStatus
+     *     instance as a result of processing given input
+     */
+    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    /**
+     * Retrieves necessary information for registration, unregistration or rights
+     * acquisition information.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfoRequest Request information to retrieve drmInfo
+     * @return DrmInfo
+     *     instance as a result of processing given input
+     */
+    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
+
+    /**
+     * Save DRM rights to specified rights path
+     * and make association with content path
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmRights DrmRights to be saved
+     * @param[in] rightsPath File path where rights to be saved
+     * @param[in] contentPath File path where content was saved
+     */
+    void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    /**
+     * Retrieves the mime type embedded inside the original content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path the path of the protected content
+     * @return String8
+     *     Returns mime-type of the original content, such as "video/mpeg"
+     */
+    String8 getOriginalMimeType(int uniqueId, const String8& path);
+
+    /**
+     * Retrieves the type of the protected object (content, rights, etc..)
+     * using specified path or mimetype. At least one parameter should be non null
+     * to retrieve DRM object type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the content or null.
+     * @param[in] mimeType Mime type of the content or null.
+     * @return type of the DRM content,
+     *     such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT
+     */
+    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    /**
+     * Check whether the given content has valid rights or not
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc)
+     * @return the status of the rights for the protected content,
+     *     such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc.
+     */
+    int checkRightsStatus(int uniqueId, const String8& path, int action);
+
+    /**
+     * Consumes the rights for a content.
+     * If the reserve parameter is true the rights is reserved until the same
+     * application calls this api again with the reserve parameter set to false.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc)
+     * @param[in] reserve True if the rights should be reserved.
+     */
+    void consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    /**
+     * Informs the DRM engine about the playback actions performed on the DRM files.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE)
+     * @param[in] position Position in the file (in milliseconds) where the start occurs.
+     *     Only valid together with Playback::START.
+     */
+    void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    /**
+     * Validates whether an action on the DRM content is allowed or not.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc)
+     * @param[in] description Detailed description of the action
+     * @return true if the action is allowed.
+     */
+    bool validateAction(
+        int uniqueId, const String8& path, int action, const ActionDescription& description);
+
+    /**
+     * Removes the rights associated with the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     */
+    void removeRights(int uniqueId, const String8& path);
+
+    /**
+     * Removes all the rights information of each plug-in associated with
+     * DRM framework. Will be used in master reset
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     */
+    void removeAllRights(int uniqueId);
+
+    /**
+     * This API is for Forward Lock based DRM scheme.
+     * Each time the application tries to download a new DRM file
+     * which needs to be converted, then the application has to
+     * begin with calling this API.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] mimeType Description/MIME type of the input data packet
+     * @return Return handle for the convert session
+     */
+    int openConvertSession(int uniqueId, const String8& mimeType);
+
+    /**
+     * Accepts and converts the input data which is part of DRM file.
+     * The resultant converted data and the status is returned in the DrmConvertedInfo
+     * object. This method will be called each time there are new block
+     * of data received by the application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @param[in] inputData Input Data which need to be converted
+     * @return Return object contains the status of the data conversion,
+     *     the output converted data and offset. In this case the
+     *     application will ignore the offset information.
+     */
+    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    /**
+     * Informs the Drm Agent when there is no more data which need to be converted
+     * or when an error occurs. Upon successful conversion of the complete data,
+     * the agent will inform that where the header and body signature
+     * should be added. This signature appending is needed to integrity
+     * protect the converted file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @return Return object contains the status of the data conversion,
+     *     the header and body signature data. It also informs
+     *     the application on which offset these signature data
+     *     should be appended.
+     */
+    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
+
+    /**
+     * Retrieves all DrmSupportInfo instance that native DRM framework can handle.
+     * This interface is meant to be used by JNI layer
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[out] length Number of elements in drmSupportInfoArray
+     * @param[out] drmSupportInfoArray Array contains all DrmSupportInfo
+     *             that native DRM framework can handle
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
+
+    /**
+     * Open the decrypt session to decrypt the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] fd File descriptor of the protected content to be decrypted
+     * @param[in] offset Start position of the content
+     * @param[in] length The length of the protected content
+     * @return
+     *     Handle for the decryption session
+     */
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+
+    /**
+     * Close the decrypt session for the given handle
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     */
+    void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+    /**
+     * Initialize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] headerInfo Information for initializing decryption of this decrypUnit
+     */
+    void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+    /**
+     * Decrypt the protected content buffers for the given unit
+     * This method will be called any number of times, based on number of
+     * encrypted streams received from application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] encBuffer Encrypted data block
+     * @param[out] decBuffer Decrypted data block
+     * @return status_t
+     *     Returns the error code for this API
+     *     DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED
+     *     DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED,
+     *     DRM_ERROR_DECRYPT for failure.
+     */
+    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+    /**
+     * Finalize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     */
+    void finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    /**
+     * Reads the specified number of bytes from an open DRM file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[out] buffer Reference to the buffer that should receive the read data.
+     * @param[in] numBytes Number of bytes to read.
+     * @param[in] offset Offset with which to update the file position.
+     *
+     * @return Number of bytes read. Returns -1 for Failure.
+     */
+    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+
+    /**
+     * Notify the event to the registered listener
+     *
+     * @param[in] event The event to be notified
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t notify(const DrmInfoEvent& event);
+
+private:
+    /**
+     * Initialize DRM Manager
+     *     load available plug-ins from plugInDirPath
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] plugInDirPath Directory from where to load plug-ins
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t loadPlugIns(int uniqueId, const String8& plugInDirPath);
+
+    /**
+     * Install new DRM Engine Plug-in at the runtime
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmEngine Shared Object(so) File in which DRM Engine defined
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
+
+private:
+    Mutex mLock;
+    sp<DrmManagerClient::OnInfoListener> mOnInfoListener;
+
+private:
+    static Mutex mMutex;
+    static Vector<int> mUniqueIdVector;
+    static sp<IDrmManagerService> mDrmManagerService;
+    static const sp<IDrmManagerService>& getDrmManagerService();
+    static const String8 EMPTY_STRING;
+};
+
+};
+
+#endif /* __DRM_MANAGER_CLIENT_IMPL_H__ */
+
diff --git a/drm/libdrmframework/include/DrmManagerService.h b/drm/libdrmframework/include/DrmManagerService.h
new file mode 100644
index 0000000..fef121c
--- /dev/null
+++ b/drm/libdrmframework/include/DrmManagerService.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_MANAGER_SERVICE_H__
+#define __DRM_MANAGER_SERVICE_H__
+
+#include <utils/RefBase.h>
+#include <utils/KeyedVector.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+#include "IDrmManagerService.h"
+#include "IDrmServiceListener.h"
+
+namespace android {
+
+class DrmManager;
+class String8;
+class Mutex;
+
+/**
+ * This is the implementation class for DRM manager service. This delegates
+ * the responsibility to DrmManager.
+ *
+ * The instance of this class is created while starting the DRM manager service.
+ *
+ */
+class DrmManagerService : public BnDrmManagerService {
+public:
+    static void instantiate();
+
+private:
+    DrmManagerService();
+    virtual ~DrmManagerService();
+
+public:
+    status_t loadPlugIns(int uniqueId);
+
+    status_t loadPlugIns(int uniqueId, const String8& plugInDirPath);
+
+    status_t setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener);
+
+    status_t unloadPlugIns(int uniqueId);
+
+    status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
+
+    DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
+
+    bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
+
+    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);
+
+    void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    String8 getOriginalMimeType(int uniqueId, const String8& path);
+
+    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    int checkRightsStatus(int uniqueId, const String8& path,int action);
+
+    void consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    bool validateAction(int uniqueId, const String8& path,
+            int action, const ActionDescription& description);
+
+    void removeRights(int uniqueId, const String8& path);
+
+    void removeAllRights(int uniqueId);
+
+    int openConvertSession(int uniqueId, const String8& mimeType);
+
+    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
+
+    status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
+
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+
+    void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+    void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+    void finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+
+private:
+    DrmManager* mDrmManager;
+};
+
+};
+
+#endif /* __DRM_MANAGER_SERVICE_H__ */
+
diff --git a/drm/libdrmframework/include/IDrmIOService.h b/drm/libdrmframework/include/IDrmIOService.h
new file mode 100644
index 0000000..5e0d907
--- /dev/null
+++ b/drm/libdrmframework/include/IDrmIOService.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __IDRM_IO_SERVICE_H__
+#define __IDRM_IO_SERVICE_H__
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+/**
+ * This is the interface class for DRM IO service.
+ *
+ */
+class IDrmIOService : public IInterface
+{
+public:
+    enum {
+        WRITE_TO_FILE = IBinder::FIRST_CALL_TRANSACTION,
+        READ_FROM_FILE
+    };
+
+public:
+    DECLARE_META_INTERFACE(DrmIOService);
+
+public:
+    /**
+     * Writes the data into the file path provided
+     *
+     * @param[in] filePath Path of the file
+     * @param[in] dataBuffer Data to write
+     */
+    virtual void writeToFile(const String8& filePath, const String8& dataBuffer) = 0;
+
+    /**
+     * Reads the data from the file path provided
+     *
+     * @param[in] filePath Path of the file
+     * @return Data read from the file
+     */
+    virtual String8 readFromFile(const String8& filePath) = 0;
+};
+
+/**
+ * This is the Binder implementation class for DRM IO service.
+ */
+class BpDrmIOService: public BpInterface<IDrmIOService>
+{
+public:
+    BpDrmIOService(const sp<IBinder>& impl)
+            : BpInterface<IDrmIOService>(impl) {}
+
+    virtual void writeToFile(const String8& filePath, const String8& dataBuffer);
+
+    virtual String8 readFromFile(const String8& filePath);
+};
+
+/**
+ * This is the Binder implementation class for DRM IO service.
+ */
+class BnDrmIOService: public BnInterface<IDrmIOService>
+{
+public:
+    virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0);
+};
+
+};
+
+#endif /* __IDRM_IO_SERVICE_H__ */
+
diff --git a/drm/libdrmframework/include/IDrmManagerService.h b/drm/libdrmframework/include/IDrmManagerService.h
new file mode 100644
index 0000000..a4d128a
--- /dev/null
+++ b/drm/libdrmframework/include/IDrmManagerService.h
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __IDRM_MANAGER_SERVICE_H__
+#define __IDRM_MANAGER_SERVICE_H__
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+#include <drm/drm_framework_common.h>
+#include "IDrmServiceListener.h"
+
+namespace android {
+
+class DrmContentIds;
+class DrmConstraints;
+class DrmRights;
+class DrmInfo;
+class DrmInfoStatus;
+class DrmInfoRequest;
+class DrmSupportInfo;
+class DrmConvertedStatus;
+class String8;
+class ActionDescription;
+
+/**
+ * This is the interface class for DRM Manager service.
+ *
+ */
+class IDrmManagerService : public IInterface
+{
+public:
+    enum {
+        LOAD_PLUGINS = IBinder::FIRST_CALL_TRANSACTION,
+        LOAD_PLUGINS_FROM_PATH,
+        SET_DRM_SERVICE_LISTENER,
+        UNLOAD_PLUGINS,
+        INSTALL_DRM_ENGINE,
+        GET_CONSTRAINTS_FROM_CONTENT,
+        CAN_HANDLE,
+        PROCESS_DRM_INFO,
+        ACQUIRE_DRM_INFO,
+        SAVE_RIGHTS,
+        GET_ORIGINAL_MIMETYPE,
+        GET_DRM_OBJECT_TYPE,
+        CHECK_RIGHTS_STATUS,
+        CONSUME_RIGHTS,
+        SET_PLAYBACK_STATUS,
+        VALIDATE_ACTION,
+        REMOVE_RIGHTS,
+        REMOVE_ALL_RIGHTS,
+        OPEN_CONVERT_SESSION,
+        CONVERT_DATA,
+        CLOSE_CONVERT_SESSION,
+        GET_ALL_SUPPORT_INFO,
+        OPEN_DECRYPT_SESSION,
+        CLOSE_DECRYPT_SESSION,
+        INITIALIZE_DECRYPT_UNIT,
+        DECRYPT,
+        FINALIZE_DECRYPT_UNIT,
+        PREAD
+    };
+
+public:
+    DECLARE_META_INTERFACE(DrmManagerService);
+
+public:
+    virtual status_t loadPlugIns(int uniqueId) = 0;
+
+    virtual status_t loadPlugIns(int uniqueId, const String8& plugInDirPath) = 0;
+
+    virtual status_t setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& infoListener) = 0;
+
+    virtual status_t unloadPlugIns(int uniqueId) = 0;
+
+    virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile) = 0;
+
+    virtual DrmConstraints* getConstraints(
+            int uniqueId, const String8* path, const int action) = 0;
+
+    virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType) = 0;
+
+    virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0;
+
+    virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0;
+
+    virtual void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) = 0;
+
+    virtual String8 getOriginalMimeType(int uniqueId, const String8& path) = 0;
+
+    virtual int getDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) = 0;
+
+    virtual int checkRightsStatus(int uniqueId, const String8& path, int action) = 0;
+
+    virtual void consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0;
+
+    virtual void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) = 0;
+
+    virtual bool validateAction(
+            int uniqueId, const String8& path,
+            int action, const ActionDescription& description) = 0;
+
+    virtual void removeRights(int uniqueId, const String8& path) = 0;
+
+    virtual void removeAllRights(int uniqueId) = 0;
+
+    virtual int openConvertSession(int uniqueId, const String8& mimeType) = 0;
+
+    virtual DrmConvertedStatus* convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) = 0;
+
+    virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId) = 0;
+
+    virtual status_t getAllSupportInfo(
+            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) = 0;
+
+    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length) = 0;
+
+    virtual void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0;
+
+    virtual void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) = 0;
+
+    virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) = 0;
+
+    virtual void finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0;
+
+    virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes,off_t offset) = 0;
+};
+
+/**
+ * This is the Binder implementation class for DRM Manager service.
+ */
+class BpDrmManagerService: public BpInterface<IDrmManagerService>
+{
+public:
+    BpDrmManagerService(const sp<IBinder>& impl)
+            : BpInterface<IDrmManagerService>(impl) {}
+
+    virtual status_t loadPlugIns(int uniqueId);
+
+    virtual status_t loadPlugIns(int uniqueId, const String8& plugInDirPath);
+
+    virtual status_t setDrmServiceListener(
+            int uniqueId, const sp<IDrmServiceListener>& infoListener);
+
+    virtual status_t unloadPlugIns(int uniqueId);
+
+    virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
+
+    virtual DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
+
+    virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
+
+    virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);
+
+    virtual void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    virtual String8 getOriginalMimeType(int uniqueId, const String8& path);
+
+    virtual int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    virtual int checkRightsStatus(int uniqueId, const String8& path, int action);
+
+    virtual void consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    virtual void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    virtual bool validateAction(
+            int uniqueId, const String8& path, int action, const ActionDescription& description);
+
+    virtual void removeRights(int uniqueId, const String8& path);
+
+    virtual void removeAllRights(int uniqueId);
+
+    virtual int openConvertSession(int uniqueId, const String8& mimeType);
+
+    virtual DrmConvertedStatus* convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
+
+    virtual status_t getAllSupportInfo(
+            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
+
+    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+
+    virtual void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+    virtual void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+    virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+    virtual void finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+};
+
+/**
+ * This is the Binder implementation class for DRM Manager service.
+ */
+class BnDrmManagerService: public BnInterface<IDrmManagerService>
+{
+public:
+    virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0);
+};
+
+};
+
+#endif /* __IDRM_MANAGER_SERVICE_H__ */
+
diff --git a/drm/libdrmframework/include/IDrmServiceListener.h b/drm/libdrmframework/include/IDrmServiceListener.h
new file mode 100644
index 0000000..7f7109f
--- /dev/null
+++ b/drm/libdrmframework/include/IDrmServiceListener.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __IDRM_SERVICE_LISTENER_H__
+#define __IDRM_SERVICE_LISTENER_H__
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+class DrmInfoEvent;
+
+/**
+ * This is the interface class for DRM service listener.
+ *
+ */
+class IDrmServiceListener : public IInterface
+{
+public:
+    enum {
+        NOTIFY = IBinder::FIRST_CALL_TRANSACTION,
+    };
+
+public:
+    DECLARE_META_INTERFACE(DrmServiceListener);
+
+public:
+    virtual status_t notify(const DrmInfoEvent& event) = 0;
+};
+
+/**
+ * This is the Binder implementation class for DRM service listener.
+ */
+class BpDrmServiceListener: public BpInterface<IDrmServiceListener>
+{
+public:
+    BpDrmServiceListener(const sp<IBinder>& impl)
+            : BpInterface<IDrmServiceListener>(impl) {}
+
+    virtual status_t notify(const DrmInfoEvent& event);
+};
+
+/**
+ * This is the Binder implementation class for DRM service listener.
+ */
+class BnDrmServiceListener: public BnInterface<IDrmServiceListener>
+{
+public:
+    virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0);
+};
+
+};
+
+#endif /* __IDRM_SERVICE_LISTENER_H__ */
+
diff --git a/drm/libdrmframework/include/PlugInManager.h b/drm/libdrmframework/include/PlugInManager.h
new file mode 100644
index 0000000..9ad195f
--- /dev/null
+++ b/drm/libdrmframework/include/PlugInManager.h
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __PLUGIN_MANAGER_H__
+#define __PLUGIN_MANAGER_H__
+
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <dirent.h>
+
+#include <utils/String8.h>
+#include <utils/Vector.h>
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+const char* const PLUGIN_MANAGER_CREATE = "create";
+const char* const PLUGIN_MANAGER_DESTROY = "destroy";
+const char* const PLUGIN_EXTENSION = ".so";
+
+/**
+ * This is the template class for Plugin manager.
+ *
+ * The DrmManager uses this class to handle the plugins.
+ *
+ */
+template<typename Type>
+class TPlugInManager {
+private:
+    typedef void*      HANDLE;
+    typedef Type*      create_t(void);
+    typedef void       destroy_t(Type*);
+    typedef create_t*  FPCREATE;
+    typedef destroy_t* FPDESTORY;
+
+    typedef struct _PlugInContainer {
+        String8   sPath;
+        HANDLE    hHandle;
+        FPCREATE  fpCreate;
+        FPDESTORY fpDestory;
+        Type*     pInstance;
+
+        _PlugInContainer():
+            sPath("")
+            ,hHandle(NULL)
+            ,fpCreate(NULL)
+            ,fpDestory(NULL)
+            ,pInstance(NULL)
+            {}
+    } PlugInContainer;
+
+    typedef KeyedVector<String8, PlugInContainer*> PlugInMap;
+    PlugInMap m_plugInMap;
+
+    typedef Vector<String8> PlugInIdList;
+    PlugInIdList m_plugInIdList;
+
+public:
+    /**
+     * Load all the plug-ins in the specified directory
+     *
+     * @param[in] rsPlugInDirPath
+     *     Directory path which plug-ins (dynamic library) are stored
+     * @note Plug-ins should be implemented according to the specification
+     */
+    void loadPlugIns(const String8& rsPlugInDirPath) {
+        Vector<String8> plugInFileList = getPlugInPathList(rsPlugInDirPath);
+
+        if (!plugInFileList.isEmpty()) {
+            for (unsigned int i = 0; i < plugInFileList.size(); ++i) {
+                loadPlugIn(plugInFileList[i]);
+            }
+        }
+    }
+
+    /**
+     * Unload all the plug-ins
+     *
+     */
+    void unloadPlugIns() {
+        for (unsigned int i = 0; i < m_plugInIdList.size(); ++i) {
+            unloadPlugIn(m_plugInIdList[i]);
+        }
+        m_plugInIdList.clear();
+    }
+
+    /**
+     * Get all the IDs of available plug-ins
+     *
+     * @return[in] plugInIdList
+     *     String type Vector in which all plug-in IDs are stored
+     */
+    Vector<String8> getPlugInIdList() const {
+        return m_plugInIdList;
+    }
+
+    /**
+     * Get a plug-in reference of specified ID
+     *
+     * @param[in] rsPlugInId
+     *     Plug-in ID to be used
+     * @return plugIn
+     *     Reference of specified plug-in instance
+     */
+    Type& getPlugIn(const String8& rsPlugInId) {
+        if (!contains(rsPlugInId)) {
+            // This error case never happens
+        }
+        return *(m_plugInMap.valueFor(rsPlugInId)->pInstance);
+    }
+
+public:
+    /**
+     * Load a plug-in stored in the specified path
+     *
+     * @param[in] rsPlugInPath
+     *     Plug-in (dynamic library) file path
+     * @note Plug-in should be implemented according to the specification
+     */
+    void loadPlugIn(const String8& rsPlugInPath) {
+        if (contains(rsPlugInPath)) {
+            return;
+        }
+
+        PlugInContainer* pPlugInContainer = new PlugInContainer();
+
+        pPlugInContainer->hHandle = dlopen(rsPlugInPath.string(), RTLD_LAZY);
+
+        if (NULL == pPlugInContainer->hHandle) {
+            delete pPlugInContainer;
+            pPlugInContainer = NULL;
+            return;
+        }
+
+        pPlugInContainer->sPath = rsPlugInPath;
+        pPlugInContainer->fpCreate
+                = (FPCREATE)dlsym(pPlugInContainer->hHandle, PLUGIN_MANAGER_CREATE);
+        pPlugInContainer->fpDestory
+                = (FPDESTORY)dlsym(pPlugInContainer->hHandle, PLUGIN_MANAGER_DESTROY);
+
+        if (NULL != pPlugInContainer->fpCreate && NULL != pPlugInContainer->fpDestory) {
+            pPlugInContainer->pInstance = (Type*)pPlugInContainer->fpCreate();
+            m_plugInIdList.add(rsPlugInPath);
+            m_plugInMap.add(rsPlugInPath, pPlugInContainer);
+        } else {
+            dlclose(pPlugInContainer->hHandle);
+            delete pPlugInContainer;
+            pPlugInContainer = NULL;
+            return;
+        }
+    }
+
+    /**
+     * Unload a plug-in stored in the specified path
+     *
+     * @param[in] rsPlugInPath
+     *     Plug-in (dynamic library) file path
+     */
+    void unloadPlugIn(const String8& rsPlugInPath) {
+        if (!contains(rsPlugInPath)) {
+            return;
+        }
+
+        PlugInContainer* pPlugInContainer = m_plugInMap.valueFor(rsPlugInPath);
+        pPlugInContainer->fpDestory(pPlugInContainer->pInstance);
+        dlclose(pPlugInContainer->hHandle);
+
+        m_plugInMap.removeItem(rsPlugInPath);
+        delete pPlugInContainer;
+        pPlugInContainer = NULL;
+    }
+
+private:
+    /**
+     * True if TPlugInManager contains rsPlugInId
+     */
+    bool contains(const String8& rsPlugInId) {
+        return m_plugInMap.indexOfKey(rsPlugInId) != NAME_NOT_FOUND;
+    }
+
+    /**
+     * Return file path list of plug-ins stored in the specified directory
+     *
+     * @param[in] rsDirPath
+     *     Directory path in which plug-ins are stored
+     * @return plugInFileList
+     *     String type Vector in which file path of plug-ins are stored
+     */
+    Vector<String8> getPlugInPathList(const String8& rsDirPath) {
+        Vector<String8> fileList;
+        DIR* pDir = opendir(rsDirPath.string());
+        struct dirent* pEntry = new dirent();
+
+        while (NULL != pDir && NULL != (pEntry = readdir(pDir))) {
+            if (!isPlugIn(pEntry)) {
+                continue;
+            }
+            String8 plugInPath;
+            plugInPath += rsDirPath;
+            plugInPath += "/";
+            plugInPath += pEntry->d_name;
+
+            fileList.add(plugInPath);
+        }
+
+        if (NULL != pDir) {
+            closedir(pDir);
+        }
+        delete pEntry;
+        pEntry = NULL;
+
+        return fileList;
+    }
+
+    /**
+     * True if the input name denotes plug-in
+     */
+    bool isPlugIn(const struct dirent* pEntry) const {
+        String8 sName(pEntry->d_name);
+        int extentionPos = sName.size() - String8(PLUGIN_EXTENSION).size();
+        if (extentionPos < 0) {
+            return false;
+        }
+        return extentionPos == (int)sName.find(PLUGIN_EXTENSION);
+    }
+
+    /**
+     * True if the input entry is "." or ".."
+     */
+    bool isDotOrDDot(const struct dirent* pEntry) const {
+        String8 sName(pEntry->d_name);
+        return "." == sName || ".." == sName;
+    }
+
+    /**
+     * True if input entry is directory
+     */
+    bool isDirectory(const struct dirent* pEntry) const {
+        return DT_DIR == pEntry->d_type;
+    }
+
+    /**
+     * True if input entry is regular file
+     */
+    bool isRegularFile(const struct dirent* pEntry) const {
+        return DT_REG == pEntry->d_type;
+    }
+
+    /**
+     * True if input entry is link
+     */
+    bool isLink(const struct dirent* pEntry) const {
+        return DT_LNK == pEntry->d_type;
+    }
+};
+
+};
+
+#endif /* __PLUGIN_MANAGER_H__ */
+
diff --git a/drm/libdrmframework/include/ReadWriteUtils.h b/drm/libdrmframework/include/ReadWriteUtils.h
new file mode 100644
index 0000000..022149e
--- /dev/null
+++ b/drm/libdrmframework/include/ReadWriteUtils.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __READ_WRITE_UTILS_H__
+#define __READ_WRITE_UTILS_H__
+
+#include <utils/FileMap.h>
+#include <drm/drm_framework_common.h>
+
+namespace android {
+
+/**
+ * This is an utility class which performs IO operations.
+ *
+ */
+class ReadWriteUtils {
+public:
+    /**
+     * Constructor for ReadWriteUtils
+     */
+    ReadWriteUtils() {}
+
+    /**
+     * Destructor for ReadWriteUtils
+     */
+    virtual ~ReadWriteUtils();
+
+public:
+    /**
+     * Reads the data from the file path provided
+     *
+     * @param[in] filePath Path of the file
+     * @return Data read from the file
+     */
+    static String8 readBytes(const String8& filePath);
+    /**
+     * Writes the data into the file path provided
+     *
+     * @param[in] filePath Path of the file
+     * @param[in] dataBuffer Data to write
+     */
+    static void writeToFile(const String8& filePath, const String8& data);
+    /**
+     * Appends the data into the file path provided
+     *
+     * @param[in] filePath Path of the file
+     * @param[in] dataBuffer Data to append
+     */
+    static void appendToFile(const String8& filePath, const String8& data);
+
+private:
+    FileMap* mFileMap;
+};
+
+};
+
+#endif /* __READ_WRITE_UTILS_H__ */
+
diff --git a/drm/libdrmframework/include/StringTokenizer.h b/drm/libdrmframework/include/StringTokenizer.h
new file mode 100644
index 0000000..70e7558
--- /dev/null
+++ b/drm/libdrmframework/include/StringTokenizer.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __STRING_TOKENIZER_H__
+#define __STRING_TOKENIZER_H__
+
+#include <drm/drm_framework_common.h>
+
+namespace android {
+
+/**
+ * This is an utility class for String manipulation.
+ *
+ */
+class StringTokenizer {
+public:
+    /**
+     * Iterator for string tokens
+     */
+    class Iterator {
+        friend class StringTokenizer;
+    private:
+        Iterator(StringTokenizer* StringTokenizer)
+         : mStringTokenizer(StringTokenizer), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        StringTokenizer* mStringTokenizer;
+        unsigned int mIndex;
+    };
+
+public:
+    /**
+     * Constructor for StringTokenizer
+     *
+     * @param[in] string Complete string data
+     * @param[in] delimeter Delimeter used to split the string
+     */
+    StringTokenizer(const String8& string, const String8& delimeter);
+
+    /**
+     * Destructor for StringTokenizer
+     */
+    ~StringTokenizer() {}
+
+private:
+    /**
+     * Splits the string according to the delimeter
+     */
+    void splitString(const String8& string, const String8& delimeter);
+
+public:
+    /**
+     * Returns Iterator object to walk through the split string values
+     *
+     * @return Iterator object
+     */
+    Iterator iterator();
+
+private:
+    Vector<String8> mStringTokenizerVector;
+};
+
+};
+#endif /* __STRING_TOKENIZER_H__ */
+
diff --git a/drm/libdrmframework/plugins/Android.mk b/drm/libdrmframework/plugins/Android.mk
new file mode 100644
index 0000000..9ee7961
--- /dev/null
+++ b/drm/libdrmframework/plugins/Android.mk
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+include $(call all-subdir-makefiles)
diff --git a/drm/libdrmframework/plugins/common/include/DrmEngineBase.h b/drm/libdrmframework/plugins/common/include/DrmEngineBase.h
new file mode 100644
index 0000000..667958a
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/include/DrmEngineBase.h
@@ -0,0 +1,411 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_ENGINE_BASE_H__
+#define __DRM_ENGINE_BASE_H__
+
+#include <drm/drm_framework_common.h>
+#include "IDrmEngine.h"
+
+namespace android {
+
+/**
+ * This class is an interface for plug-in developers
+ *
+ * Responsibility of this class is control the sequence of actual plug-in.
+ * All each plug-in developer has to do is implement onXXX() type virtual interfaces.
+ */
+class DrmEngineBase : public IDrmEngine {
+public:
+    DrmEngineBase();
+    virtual ~DrmEngineBase();
+
+public:
+    DrmConstraints* getConstraints(int uniqueId, const String8* path, int action);
+
+    status_t initialize(int uniqueId);
+
+    status_t setOnInfoListener(int uniqueId, const IDrmEngine::OnInfoListener* infoListener);
+
+    status_t terminate(int uniqueId);
+
+    bool canHandle(int uniqueId, const String8& path);
+
+    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
+
+    String8 getOriginalMimeType(int uniqueId, const String8& path);
+
+    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    int checkRightsStatus(int uniqueId, const String8& path, int action);
+
+    void consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    void setPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    bool validateAction(
+            int uniqueId, const String8& path, int action, const ActionDescription& description);
+
+    void removeRights(int uniqueId, const String8& path);
+
+    void removeAllRights(int uniqueId);
+
+    void openConvertSession(int uniqueId, int convertId);
+
+    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
+
+    DrmSupportInfo* getSupportInfo(int uniqueId);
+
+    status_t openDecryptSession(
+            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length);
+
+    void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+    void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+    void finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+
+protected:
+    /////////////////////////////////////////////////////
+    // Interface for plug-in developers                //
+    // each plug-in has to implement following method  //
+    /////////////////////////////////////////////////////
+    /**
+     * Get constraint information associated with input content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Actions defined such as,
+     *     Action::DEFAULT, Action::PLAY, etc
+     * @return DrmConstraints
+     *     key-value pairs of constraint are embedded in it
+     * @note
+     *     In case of error, return NULL
+     */
+    virtual DrmConstraints* onGetConstraints(
+            int uniqueId, const String8* path, int action) = 0;
+
+    /**
+     * Initialize plug-in
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t onInitialize(int uniqueId) = 0;
+
+    /**
+     * Register a callback to be invoked when the caller required to
+     * receive necessary information
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] infoListener Listener
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t onSetOnInfoListener(
+            int uniqueId, const IDrmEngine::OnInfoListener* infoListener) = 0;
+
+    /**
+     * Terminate the plug-in
+     * and release resource bound to plug-in
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t onTerminate(int uniqueId) = 0;
+
+    /**
+     * Get whether the given content can be handled by this plugin or not
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path the protected object
+     * @return bool
+     *     Returns true if this plugin can handle , false in case of not able to handle
+     */
+    virtual bool onCanHandle(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Executes given drm information based on its type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfo Information needs to be processed
+     * @return DrmInfoStatus
+     *     instance as a result of processing given input
+     */
+    virtual DrmInfoStatus* onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0;
+
+    /**
+     * Save DRM rights to specified rights path
+     * and make association with content path
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmRights DrmRights to be saved
+     * @param[in] rightsPath File path where rights to be saved
+     * @param[in] contentPath File path where content was saved
+     */
+    virtual void onSaveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightspath, const String8& contentPath) = 0;
+
+    /**
+     * Retrieves necessary information for registration, unregistration or rights
+     * acquisition information.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfoRequest Request information to retrieve drmInfo
+     * @return DrmInfo
+     *     instance as a result of processing given input
+     */
+    virtual DrmInfo* onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0;
+
+    /**
+     * Retrieves the mime type embedded inside the original content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @return String8
+     *     Returns mime-type of the original content, such as "video/mpeg"
+     */
+    virtual String8 onGetOriginalMimeType(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Retrieves the type of the protected object (content, rights, etc..)
+     * using specified path or mimetype. At least one parameter should be non null
+     * to retrieve DRM object type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the content or null.
+     * @param[in] mimeType Mime type of the content or null.
+     * @return type of the DRM content,
+     *     such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT
+     */
+    virtual int onGetDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) = 0;
+
+    /**
+     * Check whether the given content has valid rights or not
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc)
+     * @return the status of the rights for the protected content,
+     *     such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc.
+     */
+    virtual int onCheckRightsStatus(int uniqueId, const String8& path, int action) = 0;
+
+    /**
+     * Consumes the rights for a content.
+     * If the reserve parameter is true the rights is reserved until the same
+     * application calls this api again with the reserve parameter set to false.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc)
+     * @param[in] reserve True if the rights should be reserved.
+     */
+    virtual void onConsumeRights(int uniqueId, DecryptHandle* decryptHandle,
+            int action, bool reserve) = 0;
+
+    /**
+     * Informs the DRM Engine about the playback actions performed on the DRM files.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE)
+     * @param[in] position Position in the file (in milliseconds) where the start occurs.
+     *     Only valid together with Playback::START.
+     */
+    virtual void onSetPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) = 0;
+
+    /**
+     * Validates whether an action on the DRM content is allowed or not.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc)
+     * @param[in] description Detailed description of the action
+     * @return true if the action is allowed.
+     */
+    virtual bool onValidateAction(int uniqueId, const String8& path,
+            int action, const ActionDescription& description) = 0;
+
+    /**
+     * Removes the rights associated with the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     */
+    virtual void onRemoveRights(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Removes all the rights information of each plug-in associated with
+     * DRM framework. Will be used in master reset
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     */
+    virtual void onRemoveAllRights(int uniqueId) = 0;
+
+    /**
+     * This API is for Forward Lock based DRM scheme.
+     * Each time the application tries to download a new DRM file
+     * which needs to be converted, then the application has to
+     * begin with calling this API.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     */
+    virtual void onOpenConvertSession(int uniqueId, int convertId) = 0;
+
+    /**
+     * Accepts and converts the input data which is part of DRM file.
+     * The resultant converted data and the status is returned in the DrmConvertedInfo
+     * object. This method will be called each time there are new block
+     * of data received by the application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @param[in] inputData Input Data which need to be converted
+     * @return Return object contains the status of the data conversion,
+     *     the output converted data and offset. In this case the
+     *     application will ignore the offset information.
+     */
+    virtual DrmConvertedStatus* onConvertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) = 0;
+
+    /**
+     * Informs the Drm Agent when there is no more data which need to be converted
+     * or when an error occurs. Upon successful conversion of the complete data,
+     * the agent will inform that where the header and body signature
+     * should be added. This signature appending is needed to integrity
+     * protect the converted file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @return Return object contains the status of the data conversion,
+     *     the header and body signature data. It also informs
+     *     the application on which offset these signature data
+     *     should be appended.
+     */
+    virtual DrmConvertedStatus* onCloseConvertSession(int uniqueId, int convertId) = 0;
+
+    /**
+     * Returns the information about the Drm Engine capabilities which includes
+     * supported MimeTypes and file suffixes.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return DrmSupportInfo
+     *     instance which holds the capabilities of a plug-in
+     */
+    virtual DrmSupportInfo* onGetSupportInfo(int uniqueId) = 0;
+
+    /**
+     * Open the decrypt session to decrypt the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the current decryption session
+     * @param[in] fd File descriptor of the protected content to be decrypted
+     * @param[in] offset Start position of the content
+     * @param[in] length The length of the protected content
+     * @return
+     *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
+     */
+    virtual status_t onOpenDecryptSession(
+            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) = 0;
+
+    /**
+     * Close the decrypt session for the given handle
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     */
+    virtual void onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0;
+
+    /**
+     * Initialize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptId Handle for the decryption session
+     * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+     * @param[in] headerInfo Information for initializing decryption of this decrypUnit
+     */
+    virtual void onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) = 0;
+
+    /**
+     * Decrypt the protected content buffers for the given unit
+     * This method will be called any number of times, based on number of
+     * encrypted streams received from application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptId Handle for the decryption session
+     * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+     * @param[in] encBuffer Encrypted data block
+     * @param[out] decBuffer Decrypted data block
+     * @return status_t
+     *     Returns the error code for this API
+     *     DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED
+     *     DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED,
+     *     DRM_ERROR_DECRYPT for failure.
+     */
+    virtual status_t onDecrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) = 0;
+
+    /**
+     * Finalize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+     */
+    virtual void onFinalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0;
+
+    /**
+     * Reads the specified number of bytes from an open DRM file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[out] buffer Reference to the buffer that should receive the read data.
+     * @param[in] numBytes Number of bytes to read.
+     * @param[in] offset Offset with which to update the file position.
+     *
+     * @return Number of bytes read. Returns -1 for Failure.
+     */
+    virtual ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) = 0;
+};
+
+};
+
+#endif /* __DRM_ENGINE_BASE_H__ */
+
diff --git a/drm/libdrmframework/plugins/common/include/IDrmEngine.h b/drm/libdrmframework/plugins/common/include/IDrmEngine.h
new file mode 100644
index 0000000..0d52f66
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/include/IDrmEngine.h
@@ -0,0 +1,371 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __IDRM_ENGINE_H__
+#define __IDRM_ENGINE_H__
+
+#include <drm/drm_framework_common.h>
+
+namespace android {
+
+class DrmContentIds;
+class DrmConstraints;
+class DrmRights;
+class DrmInfo;
+class DrmInfoStatus;
+class DrmConvertedStatus;
+class DrmInfoRequest;
+class DrmSupportInfo;
+class DrmInfoEvent;
+
+/**
+ * This class is an interface for plug-in user
+ *
+ * Responsibility of this class is provide generic interface to DRM Engine Manager.
+ * Each interface need to be as abstract as possible.
+ */
+class IDrmEngine {
+public:
+    virtual ~IDrmEngine() {
+    }
+
+public:
+    class OnInfoListener {
+
+    public:
+        virtual void onInfo(const DrmInfoEvent& event) = 0;
+
+        virtual ~OnInfoListener() { }
+    };
+
+public:
+
+    //////////////////////////////////
+    // Implementation of IDrmEngine //
+    //////////////////////////////////
+
+    /**
+     * Initialize plug-in
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t initialize(int uniqueId) = 0;
+
+    /**
+     * Register a callback to be invoked when the caller required to
+     * receive necessary information
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] infoListener Listener
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t setOnInfoListener(
+            int uniqueId, const IDrmEngine::OnInfoListener* infoListener) = 0;
+
+    /**
+     * Terminate the plug-in
+     * and release resource bound to plug-in
+     * e.g.) release native resource
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    virtual status_t terminate(int uniqueId) = 0;
+
+    /**
+     * Get constraint information associated with input content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Actions defined such as,
+     *     Action::DEFAULT, Action::PLAY, etc
+     * @return DrmConstraints
+     *     key-value pairs of constraint are embedded in it
+     * @note
+     *     In case of error, return NULL
+     */
+    virtual DrmConstraints* getConstraints(
+            int uniqueId, const String8* path, int action) = 0;
+
+    /**
+     * Get whether the given content can be handled by this plugin or not
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path the protected object
+     * @return bool
+     *     true if this plugin can handle , false in case of not able to handle
+     */
+    virtual bool canHandle(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Executes given drm information based on its type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfo Information needs to be processed
+     * @return DrmInfoStatus
+     *     instance as a result of processing given input
+     */
+    virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0;
+
+    /**
+     * Retrieves necessary information for registration, unregistration or rights
+     * acquisition information.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmInfoRequest Request information to retrieve drmInfo
+     * @return DrmInfo
+     *     instance as a result of processing given input
+     */
+    virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) = 0;
+
+    /**
+     * Save DRM rights to specified rights path
+     * and make association with content path
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] drmRights DrmRights to be saved
+     * @param[in] rightsPath File path where rights to be saved
+     * @param[in] contentPath File path where content was saved
+     */
+    virtual void saveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) = 0;
+
+    /**
+     * Retrieves the mime type embedded inside the original content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @return String8
+     *     Returns mime-type of the original content, such as "video/mpeg"
+     */
+    virtual String8 getOriginalMimeType(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Retrieves the type of the protected object (content, rights, etc..)
+     * using specified path or mimetype. At least one parameter should be non null
+     * to retrieve DRM object type
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the content or null.
+     * @param[in] mimeType Mime type of the content or null.
+     * @return type of the DRM content,
+     *     such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT
+     */
+    virtual int getDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) = 0;
+
+    /**
+     * Check whether the given content has valid rights or not
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc)
+     * @return the status of the rights for the protected content,
+     *     such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc.
+     */
+    virtual int checkRightsStatus(int uniqueId, const String8& path, int action) = 0;
+
+    /**
+     * Consumes the rights for a content.
+     * If the reserve parameter is true the rights is reserved until the same
+     * application calls this api again with the reserve parameter set to false.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc)
+     * @param[in] reserve True if the rights should be reserved.
+     */
+    virtual void consumeRights(
+            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0;
+
+    /**
+     * Informs the DRM Engine about the playback actions performed on the DRM files.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE)
+     * @param[in] position Position in the file (in milliseconds) where the start occurs.
+     *     Only valid together with Playback::START.
+     */
+    virtual void setPlaybackStatus(int uniqueId, DecryptHandle* decryptHandle,
+            int playbackStatus, int position) = 0;
+
+    /**
+     * Validates whether an action on the DRM content is allowed or not.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc)
+     * @param[in] description Detailed description of the action
+     * @return true if the action is allowed.
+     */
+    virtual bool validateAction(int uniqueId, const String8& path,
+            int action, const ActionDescription& description) = 0;
+
+    /**
+     * Removes the rights associated with the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] path Path of the protected content
+     */
+    virtual void removeRights(int uniqueId, const String8& path) = 0;
+
+    /**
+     * Removes all the rights information of each plug-in associated with
+     * DRM framework. Will be used in master reset
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     */
+    virtual void removeAllRights(int uniqueId) = 0;
+
+    /**
+     * This API is for Forward Lock based DRM scheme.
+     * Each time the application tries to download a new DRM file
+     * which needs to be converted, then the application has to
+     * begin with calling this API.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     */
+    virtual void openConvertSession(int uniqueId, int convertId) = 0;
+
+    /**
+     * Accepts and converts the input data which is part of DRM file.
+     * The resultant converted data and the status is returned in the DrmConvertedInfo
+     * object. This method will be called each time there are new block
+     * of data received by the application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @param[in] inputData Input Data which need to be converted
+     * @return Return object contains the status of the data conversion,
+     *     the output converted data and offset. In this case the
+     *     application will ignore the offset information.
+     */
+    virtual DrmConvertedStatus* convertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) = 0;
+
+    /**
+     * Informs the Drm Agent when there is no more data which need to be converted
+     * or when an error occurs. Upon successful conversion of the complete data,
+     * the agent will inform that where the header and body signature
+     * should be added. This signature appending is needed to integrity
+     * protect the converted file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] convertId Handle for the convert session
+     * @return Return object contains the status of the data conversion,
+     *     the header and body signature data. It also informs
+     *     the application on which offset these signature data
+     *     should be appended.
+     */
+    virtual DrmConvertedStatus* closeConvertSession( int uniqueId, int convertId) = 0;
+
+    /**
+     * Returns the information about the Drm Engine capabilities which includes
+     * supported MimeTypes and file suffixes.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @return DrmSupportInfo
+     *     instance which holds the capabilities of a plug-in
+     */
+    virtual DrmSupportInfo* getSupportInfo(int uniqueId) = 0;
+
+    /**
+     * Open the decrypt session to decrypt the given protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the current decryption session
+     * @param[in] fd File descriptor of the protected content to be decrypted
+     * @param[in] offset Start position of the content
+     * @param[in] length The length of the protected content
+     * @return
+     *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
+     */
+    virtual status_t openDecryptSession(
+        int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) = 0;
+
+    /**
+     * Close the decrypt session for the given handle
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     */
+    virtual void closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0;
+
+    /**
+     * Initialize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] headerInfo Information for initializing decryption of this decrypUnit
+     */
+    virtual void initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) = 0;
+
+    /**
+     * Decrypt the protected content buffers for the given unit
+     * This method will be called any number of times, based on number of
+     * encrypted streams received from application.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] encBuffer Encrypted data block
+     * @param[out] decBuffer Decrypted data block
+     * @return status_t
+     *     Returns the error code for this API
+     *     DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED
+     *     DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED,
+     *     DRM_ERROR_DECRYPT for failure.
+     */
+    virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) = 0;
+
+    /**
+     * Finalize decryption for the given unit of the protected content
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     */
+    virtual void finalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0;
+
+    /**
+     * Reads the specified number of bytes from an open DRM file.
+     *
+     * @param[in] uniqueId Unique identifier for a session
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[out] buffer Reference to the buffer that should receive the read data.
+     * @param[in] numBytes Number of bytes to read.
+     * @param[in] offset Offset with which to update the file position.
+     *
+     * @return Number of bytes read. Returns -1 for Failure.
+     */
+    virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) = 0;
+};
+
+};
+
+#endif /* __IDRM_ENGINE_H__ */
+
diff --git a/drm/libdrmframework/plugins/passthru/Android.mk b/drm/libdrmframework/plugins/passthru/Android.mk
new file mode 100644
index 0000000..a7bbf23
--- /dev/null
+++ b/drm/libdrmframework/plugins/passthru/Android.mk
@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    src/DrmPassthruPlugIn.cpp
+
+LOCAL_MODULE := libdrmpassthruplugin
+
+LOCAL_STATIC_LIBRARIES := libdrmframeworkcommon
+
+LOCAL_SHARED_LIBRARIES := \
+    libutils \
+    libdl
+
+LOCAL_PRELINK_MODULE := false
+
+LOCAL_C_INCLUDES += \
+    $(TOP)/frameworks/base/drm/libdrmframework/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/plugins/passthru/include \
+    $(TOP)/frameworks/base/drm/libdrmframework/plugins/common/include \
+    $(TOP)/frameworks/base/include
+
+# Set the following flag to enable the decryption passthru flow
+#LOCAL_CFLAGS += -DENABLE_PASSTHRU_DECRYPTION
+
+PRODUCT_COPY_FILES += \
+    $(TARGET_OUT_SHARED_LIBRARIES)/libdrmpassthruplugin.so:system/lib/drm/plugins/native/libdrmpassthruplugin.so
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h b/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h
new file mode 100644
index 0000000..d2c7852
--- /dev/null
+++ b/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_PASSTHRU_PLUGIN_H__
+#define __DRM_PASSTHRU_PLUGIN_H__
+
+#include <DrmEngineBase.h>
+
+namespace android {
+
+class DrmPassthruPlugIn : public DrmEngineBase {
+
+public:
+    DrmPassthruPlugIn();
+    virtual ~DrmPassthruPlugIn();
+
+protected:
+    DrmConstraints* onGetConstraints(int uniqueId, const String8* path, int action);
+
+    status_t onInitialize(int uniqueId);
+
+    status_t onSetOnInfoListener(int uniqueId, const IDrmEngine::OnInfoListener* infoListener);
+
+    status_t onTerminate(int uniqueId);
+
+    bool onCanHandle(int uniqueId, const String8& path);
+
+    DrmInfoStatus* onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo);
+
+    void onSaveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath);
+
+    DrmInfo* onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
+
+    String8 onGetOriginalMimeType(int uniqueId, const String8& path);
+
+    int onGetDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
+
+    int onCheckRightsStatus(int uniqueId, const String8& path, int action);
+
+    void onConsumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
+
+    void onSetPlaybackStatus(
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    bool onValidateAction(
+            int uniqueId, const String8& path, int action, const ActionDescription& description);
+
+    void onRemoveRights(int uniqueId, const String8& path);
+
+    void onRemoveAllRights(int uniqueId);
+
+    void onOpenConvertSession(int uniqueId, int convertId);
+
+    DrmConvertedStatus* onConvertData(int uniqueId, int convertId, const DrmBuffer* inputData);
+
+    DrmConvertedStatus* onCloseConvertSession(int uniqueId, int convertId);
+
+    DrmSupportInfo* onGetSupportInfo(int uniqueId);
+
+    status_t onOpenDecryptSession(
+            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length);
+
+    void onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
+
+     void onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo);
+
+     status_t onDecrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+     void onFinalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
+
+    ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset);
+
+private:
+    DecryptHandle* openDecryptSessionImpl();
+};
+
+};
+
+#endif /* __DRM_PASSTHRU_PLUGIN_H__ */
+
diff --git a/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp b/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp
new file mode 100644
index 0000000..2655d0b
--- /dev/null
+++ b/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "DrmPassthruPlugIn"
+#include <utils/Log.h>
+
+#include <drm/DrmRights.h>
+#include <drm/DrmConstraints.h>
+#include <drm/DrmInfo.h>
+#include <drm/DrmInfoEvent.h>
+#include <drm/DrmInfoStatus.h>
+#include <drm/DrmConvertedStatus.h>
+#include <drm/DrmInfoRequest.h>
+#include <drm/DrmSupportInfo.h>
+#include <DrmPassthruPlugIn.h>
+
+using namespace android;
+
+
+// This extern "C" is mandatory to be managed by TPlugInManager
+extern "C" IDrmEngine* create() {
+    return new DrmPassthruPlugIn();
+}
+
+// This extern "C" is mandatory to be managed by TPlugInManager
+extern "C" void destroy(IDrmEngine* pPlugIn) {
+    delete pPlugIn;
+    pPlugIn = NULL;
+}
+
+DrmPassthruPlugIn::DrmPassthruPlugIn()
+    : DrmEngineBase() {
+
+}
+
+DrmPassthruPlugIn::~DrmPassthruPlugIn() {
+
+}
+
+DrmConstraints* DrmPassthruPlugIn::onGetConstraints(
+        int uniqueId, const String8* path, int action) {
+    LOGD("DrmPassthruPlugIn::onGetConstraints From Path: %d", uniqueId);
+    DrmConstraints* drmConstraints = new DrmConstraints();
+
+    String8 value("dummy_available_time");
+    char* charValue = NULL;
+    charValue = new char[value.length() + 1];
+    strncpy(charValue, value.string(), value.length());
+
+    //Just add dummy available time for verification
+    drmConstraints->put(&(DrmConstraints::LICENSE_AVAILABLE_TIME), charValue);
+
+    return drmConstraints;
+}
+
+DrmInfoStatus* DrmPassthruPlugIn::onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    LOGD("DrmPassthruPlugIn::onProcessDrmInfo - Enter : %d", uniqueId);
+    DrmInfoStatus* drmInfoStatus = NULL;
+    if (NULL != drmInfo) {
+        switch (drmInfo->getInfoType()) {
+        case DrmInfoRequest::TYPE_REGISTRATION_INFO: {
+            const DrmBuffer* emptyBuffer = new DrmBuffer();
+            drmInfoStatus
+                = new DrmInfoStatus(DrmInfoStatus::STATUS_OK, emptyBuffer, drmInfo->getMimeType());
+            break;
+        }
+        case DrmInfoRequest::TYPE_UNREGISTRATION_INFO: {
+            const DrmBuffer* emptyBuffer = new DrmBuffer();
+            drmInfoStatus
+                = new DrmInfoStatus(DrmInfoStatus::STATUS_OK, emptyBuffer, drmInfo->getMimeType());
+            break;
+        }
+        case DrmInfoRequest::TYPE_RIGHTS_ACQUISITION_INFO: {
+            String8 licenseString("dummy_license_string");
+            const int bufferSize = licenseString.size();
+            char* data = NULL;
+            data = new char[bufferSize];
+            memcpy(data, licenseString.string(), bufferSize);
+            const DrmBuffer* buffer = new DrmBuffer(data, bufferSize);
+            drmInfoStatus
+                = new DrmInfoStatus(DrmInfoStatus::STATUS_OK, buffer, drmInfo->getMimeType());
+            break;
+        }
+        }
+    }
+    LOGD("DrmPassthruPlugIn::onProcessDrmInfo - Exit");
+    return drmInfoStatus;
+}
+
+status_t DrmPassthruPlugIn::onSetOnInfoListener(
+            int uniqueId, const IDrmEngine::OnInfoListener* infoListener) {
+    LOGD("DrmPassthruPlugIn::onSetOnInfoListener : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmPassthruPlugIn::onInitialize(int uniqueId) {
+    LOGD("DrmPassthruPlugIn::onInitialize : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+status_t DrmPassthruPlugIn::onTerminate(int uniqueId) {
+    LOGD("DrmPassthruPlugIn::onTerminate : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+DrmSupportInfo* DrmPassthruPlugIn::onGetSupportInfo(int uniqueId) {
+    LOGD("DrmPassthruPlugIn::onGetSupportInfo : %d", uniqueId);
+    DrmSupportInfo* drmSupportInfo = new DrmSupportInfo();
+    // Add mimetype's
+    drmSupportInfo->addMimeType(String8("application/vnd.passthru.drm"));
+    // Add File Suffixes
+    drmSupportInfo->addFileSuffix(String8(".passthru"));
+    // Add plug-in description
+    drmSupportInfo->setDescription(String8("Passthru plug-in"));
+    return drmSupportInfo;
+}
+
+void DrmPassthruPlugIn::onSaveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    LOGD("DrmPassthruPlugIn::onSaveRights : %d", uniqueId);
+}
+
+DrmInfo* DrmPassthruPlugIn::onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    LOGD("DrmPassthruPlugIn::onAcquireDrmInfo : %d", uniqueId);
+    DrmInfo* drmInfo = NULL;
+
+    if (NULL != drmInfoRequest) {
+        String8 dataString("dummy_acquistion_string");
+        int length = dataString.length();
+        char* data = NULL;
+        data = new char[length];
+        memcpy(data, dataString.string(), length);
+        drmInfo = new DrmInfo(drmInfoRequest->getInfoType(),
+            DrmBuffer(data, length), drmInfoRequest->getMimeType());
+    }
+    return drmInfo;
+}
+
+bool DrmPassthruPlugIn::onCanHandle(int uniqueId, const String8& path) {
+    LOGD("DrmPassthruPlugIn::canHandle: %s ", path.string());
+    String8 extension = path.getPathExtension();
+    extension.toLower();
+    return (String8(".passthru") == extension);
+}
+
+String8 DrmPassthruPlugIn::onGetOriginalMimeType(int uniqueId, const String8& path) {
+    LOGD("DrmPassthruPlugIn::onGetOriginalMimeType() : %d", uniqueId);
+    return String8("video/passthru");
+}
+
+int DrmPassthruPlugIn::onGetDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) {
+    LOGD("DrmPassthruPlugIn::onGetDrmObjectType() : %d", uniqueId);
+    return DrmObjectType::UNKNOWN;
+}
+
+int DrmPassthruPlugIn::onCheckRightsStatus(int uniqueId, const String8& path, int action) {
+    LOGD("DrmPassthruPlugIn::onCheckRightsStatus() : %d", uniqueId);
+    int rightsStatus = RightsStatus::RIGHTS_VALID;
+    return rightsStatus;
+}
+
+void DrmPassthruPlugIn::onConsumeRights(int uniqueId, DecryptHandle* decryptHandle,
+            int action, bool reserve) {
+    LOGD("DrmPassthruPlugIn::onConsumeRights() : %d", uniqueId);
+}
+
+void DrmPassthruPlugIn::onSetPlaybackStatus(int uniqueId, DecryptHandle* decryptHandle,
+            int playbackStatus, int position) {
+    LOGD("DrmPassthruPlugIn::onSetPlaybackStatus() : %d", uniqueId);
+}
+
+bool DrmPassthruPlugIn::onValidateAction(int uniqueId, const String8& path,
+            int action, const ActionDescription& description) {
+    LOGD("DrmPassthruPlugIn::onValidateAction() : %d", uniqueId);
+    return true;
+}
+
+void DrmPassthruPlugIn::onRemoveRights(int uniqueId, const String8& path) {
+    LOGD("DrmPassthruPlugIn::onRemoveRights() : %d", uniqueId);
+}
+
+void DrmPassthruPlugIn::onRemoveAllRights(int uniqueId) {
+    LOGD("DrmPassthruPlugIn::onRemoveAllRights() : %d", uniqueId);
+}
+
+void DrmPassthruPlugIn::onOpenConvertSession(int uniqueId, int convertId) {
+    LOGD("DrmPassthruPlugIn::onOpenConvertSession() : %d", uniqueId);
+}
+
+DrmConvertedStatus* DrmPassthruPlugIn::onConvertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    LOGD("DrmPassthruPlugIn::onConvertData() : %d", uniqueId);
+    DrmBuffer* convertedData = NULL;
+
+    if (NULL != inputData && 0 < inputData->length) {
+        int length = inputData->length;
+        char* data = NULL;
+        data = new char[length];
+        convertedData = new DrmBuffer(data, length);
+        memcpy(convertedData->data, inputData->data, length);
+    }
+    return new DrmConvertedStatus(DrmConvertedStatus::STATUS_OK, convertedData, 0 /*offset*/);
+}
+
+DrmConvertedStatus* DrmPassthruPlugIn::onCloseConvertSession(int uniqueId, int convertId) {
+    LOGD("DrmPassthruPlugIn::onCloseConvertSession() : %d", uniqueId);
+    return new DrmConvertedStatus(DrmConvertedStatus::STATUS_OK, NULL, 0 /*offset*/);
+}
+
+status_t DrmPassthruPlugIn::onOpenDecryptSession(
+            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) {
+    LOGD("DrmPassthruPlugIn::onOpenDecryptSession() : %d", uniqueId);
+
+#ifdef ENABLE_PASSTHRU_DECRYPTION
+    decryptHandle->mimeType = String8("video/passthru");
+    decryptHandle->decryptApiType = DecryptApiType::ELEMENTARY_STREAM_BASED;
+    decryptHandle->status = DRM_NO_ERROR;
+    decryptHandle->decryptInfo = NULL;
+    return DRM_NO_ERROR;
+#endif
+
+    return DRM_ERROR_CANNOT_HANDLE;
+}
+
+void DrmPassthruPlugIn::onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    LOGD("DrmPassthruPlugIn::onCloseDecryptSession() : %d", uniqueId);
+    if (NULL != decryptHandle) {
+        if (NULL != decryptHandle->decryptInfo) {
+            delete decryptHandle->decryptInfo; decryptHandle->decryptInfo = NULL;
+        }
+        delete decryptHandle; decryptHandle = NULL;
+    }
+}
+
+void DrmPassthruPlugIn::onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) {
+    LOGD("DrmPassthruPlugIn::onInitializeDecryptUnit() : %d", uniqueId);
+}
+
+status_t DrmPassthruPlugIn::onDecrypt(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer) {
+    LOGD("DrmPassthruPlugIn::onDecrypt() : %d", uniqueId);
+    /**
+     * As a workaround implementation passthru would copy the given
+     * encrypted buffer as it is to decrypted buffer. Note, decBuffer
+     * memory has to be allocated by the caller.
+     */
+    if (NULL != (*decBuffer) && 0 < (*decBuffer)->length) {
+        memcpy((*decBuffer)->data, encBuffer->data, encBuffer->length);
+        (*decBuffer)->length = encBuffer->length;
+    }
+    return DRM_NO_ERROR;
+}
+
+void DrmPassthruPlugIn::onFinalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    LOGD("DrmPassthruPlugIn::onFinalizeDecryptUnit() : %d", uniqueId);
+}
+
+ssize_t DrmPassthruPlugIn::onPread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off_t offset) {
+    LOGD("DrmPassthruPlugIn::onPread() : %d", uniqueId);
+    return 0;
+}
+
diff --git a/include/drm/DrmConstraints.h b/include/drm/DrmConstraints.h
new file mode 100644
index 0000000..a9ec942
--- /dev/null
+++ b/include/drm/DrmConstraints.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_CONSTRAINTS_H__
+#define __DRM_CONSTRAINTS_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which contains the constraints information.
+ *
+ * As a result of DrmManagerClient::getConstraints(const String8*, const int)
+ * an instance of DrmConstraints would be returned.
+ *
+ */
+class DrmConstraints {
+public:
+    /**
+     * The following variables are replica of android.drm.DrmStore.ConstraintsColumns
+     * Any changes should also be incorporated with Java Layer as well
+     */
+    /**
+     * The max repeat count
+     */
+    static const String8 MAX_REPEAT_COUNT;
+    /**
+     * The remaining repeat count
+     */
+    static const String8 REMAINING_REPEAT_COUNT;
+
+    /**
+     * The time before which the protected file can not be played/viewed
+     */
+    static const String8 LICENSE_START_TIME;
+
+    /**
+     * The time after which the protected file can not be played/viewed
+     */
+    static const String8 LICENSE_EXPIRY_TIME;
+
+    /**
+     * The available time for license
+     */
+    static const String8 LICENSE_AVAILABLE_TIME;
+
+    /**
+     * The data stream for extended metadata
+     */
+    static const String8 EXTENDED_METADATA;
+
+public:
+    /**
+     * Iterator for key
+     */
+    class KeyIterator {
+        friend class DrmConstraints;
+    private:
+        KeyIterator(DrmConstraints* drmConstraints)
+            : mDrmConstraints(drmConstraints), mIndex(0) {}
+
+    public:
+        KeyIterator(const KeyIterator& keyIterator);
+        KeyIterator& operator=(const KeyIterator& keyIterator);
+        virtual ~KeyIterator() {}
+
+    public:
+        bool hasNext();
+        const String8& next();
+
+    private:
+        DrmConstraints* mDrmConstraints;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator for constraints
+     */
+    class Iterator {
+        friend class DrmConstraints;
+    private:
+        Iterator(DrmConstraints* drmConstraints)
+            : mDrmConstraints(drmConstraints), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8 next();
+
+    private:
+        DrmConstraints* mDrmConstraints;
+        unsigned int mIndex;
+    };
+
+public:
+    DrmConstraints() {}
+    virtual ~DrmConstraints() {
+        DrmConstraints::KeyIterator keyIt = this->keyIterator();
+
+        while (keyIt.hasNext()) {
+            String8 key = keyIt.next();
+                const char* value = this->getAsByteArray(&key);
+                if (NULL != value) {
+                    delete[] value;
+                    value = NULL;
+                }
+        }
+        mConstraintMap.clear();
+    }
+public:
+    /**
+     * Returns the number of constraints contained in this instance
+     *
+     * @return Number of constraints
+     */
+    int getCount(void) const;
+
+    /**
+     * Adds constraint information as <key, value> pair to this instance
+     *
+     * @param[in] key Key to add
+     * @param[in] value Value to add
+     * @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t put(const String8* key, const char* value);
+
+    /**
+     * Retrieves the value of given key
+     *
+     * @param key Key whose value to be retrieved
+     * @return The value
+     */
+    String8 get(const String8& key) const;
+
+     /**
+     * Retrieves the value as byte array of given key
+     * @param key Key whose value to be retrieved as byte array
+     * @return The byte array value
+     */
+    const char* getAsByteArray(const String8* key) const;
+
+    /**
+     * Returns KeyIterator object to walk through the keys associated with this instance
+     *
+     * @return KeyIterator object
+     */
+    KeyIterator keyIterator();
+
+    /**
+     * Returns Iterator object to walk through the values associated with this instance
+     *
+     * @return Iterator object
+     */
+    Iterator iterator();
+private:
+    const char* getValue(const String8* key) const;
+private:
+    typedef KeyedVector<String8, const char*> DrmConstraintsMap;
+    DrmConstraintsMap mConstraintMap;
+};
+
+};
+
+#endif /* __DRM_CONSTRAINTS_H__ */
+
diff --git a/include/drm/DrmConvertedStatus.h b/include/drm/DrmConvertedStatus.h
new file mode 100644
index 0000000..679e48d
--- /dev/null
+++ b/include/drm/DrmConvertedStatus.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_CONVERTED_STATUS_H__
+#define __DRM_CONVERTED_STATUS_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which wraps the status of the conversion, the converted
+ * data/checksum data and the offset. Offset is going to be used in the case of close
+ * session where the agent will inform where the header and body signature should be added
+ *
+ * As a result of DrmManagerClient::convertData(int, const DrmBuffer*) and
+ * DrmManagerClient::closeConvertSession(int) an instance of DrmConvertedStatus
+ * would be returned.
+ *
+ */
+class DrmConvertedStatus {
+public:
+    // Should be in sync with DrmConvertedStatus.java
+    static const int STATUS_OK = 1;
+    static const int STATUS_INPUTDATA_ERROR = 2;
+    static const int STATUS_ERROR = 3;
+
+public:
+    /**
+     * Constructor for DrmConvertedStatus
+     *
+     * @param[in] _statusCode Status of the conversion
+     * @param[in] _convertedData Converted data/checksum data
+     * @param[in] _offset Offset value
+     */
+    DrmConvertedStatus(int _statusCode, const DrmBuffer* _convertedData, int _offset);
+
+    /**
+     * Destructor for DrmConvertedStatus
+     */
+    virtual ~DrmConvertedStatus() {
+
+    }
+
+public:
+    int statusCode;
+    const DrmBuffer* convertedData;
+    int offset;
+};
+
+};
+
+#endif /* __DRM_CONVERTED_STATUS_H__ */
+
diff --git a/include/drm/DrmInfo.h b/include/drm/DrmInfo.h
new file mode 100644
index 0000000..7b48541
--- /dev/null
+++ b/include/drm/DrmInfo.h
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_INFO_H__
+#define __DRM_INFO_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class in which necessary information required to transact
+ * between device and online DRM server is described. DRM Framework achieves
+ * server registration, license acquisition and any other server related transaction
+ * by passing an instance of this class to DrmManagerClient::processDrmInfo(const DrmInfo*).
+ *
+ * The Caller can retrieve the DrmInfo instance by using
+ * DrmManagerClient::acquireDrmInfo(const DrmInfoRequest*) by passing DrmInfoRequest instance.
+ *
+ */
+class DrmInfo {
+public:
+    /**
+     * Constructor for DrmInfo
+     *
+     * @param[in] infoType Type of information
+     * @param[in] drmBuffer Trigger data
+     * @param[in] mimeType MIME type
+     */
+    DrmInfo(int infoType, const DrmBuffer& drmBuffer, const String8& mimeType);
+
+    /**
+     * Destructor for DrmInfo
+     */
+    virtual ~DrmInfo() {}
+
+public:
+    /**
+     * Iterator for key
+     */
+    class KeyIterator {
+        friend class DrmInfo;
+
+    private:
+        KeyIterator(const DrmInfo* drmInfo)
+            : mDrmInfo(const_cast <DrmInfo*> (drmInfo)), mIndex(0) {}
+
+    public:
+        KeyIterator(const KeyIterator& keyIterator);
+        KeyIterator& operator=(const KeyIterator& keyIterator);
+        virtual ~KeyIterator() {}
+
+    public:
+        bool hasNext();
+        const String8& next();
+
+    private:
+        DrmInfo* mDrmInfo;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator
+     */
+    class Iterator {
+        friend class DrmInfo;
+
+    private:
+        Iterator(const DrmInfo* drmInfo)
+            : mDrmInfo(const_cast <DrmInfo*> (drmInfo)), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        DrmInfo* mDrmInfo;
+        unsigned int mIndex;
+    };
+
+public:
+    /**
+     * Returns information type associated with this instance
+     *
+     * @return Information type
+     */
+    int getInfoType(void) const;
+
+    /**
+     * Returns MIME type associated with this instance
+     *
+     * @return MIME type
+     */
+    String8 getMimeType(void) const;
+
+    /**
+     * Returns the trigger data associated with this instance
+     *
+     * @return Trigger data
+     */
+    const DrmBuffer& getData(void) const;
+
+    /**
+     * Returns the number of attributes contained in this instance
+     *
+     * @return Number of attributes
+     */
+    int getCount(void) const;
+
+    /**
+     * Adds optional information as <key, value> pair to this instance
+     *
+     * @param[in] key Key to add
+     * @param[in] value Value to add
+     * @return Returns the error code
+     */
+    status_t put(const String8& key, const String8& value);
+
+    /**
+     * Retrieves the value of given key
+     *
+     * @param key Key whose value to be retrieved
+     * @return The value
+     */
+    String8 get(const String8& key) const;
+
+    /**
+     * Returns KeyIterator object to walk through the keys associated with this instance
+     *
+     * @return KeyIterator object
+     */
+    KeyIterator keyIterator() const;
+
+    /**
+     * Returns Iterator object to walk through the values associated with this instance
+     *
+     * @return Iterator object
+     */
+    Iterator iterator() const;
+
+    /**
+     * Returns index of the given key
+     *
+     * @return index
+     */
+    int indexOfKey(const String8& key) const;
+
+protected:
+    int mInfoType;
+    DrmBuffer mData;
+    String8 mMimeType;
+    KeyedVector<String8, String8> mAttributes;
+};
+
+};
+
+#endif /* __DRM_INFO_H__ */
+
diff --git a/include/drm/DrmInfoEvent.h b/include/drm/DrmInfoEvent.h
new file mode 100644
index 0000000..5e8817c
--- /dev/null
+++ b/include/drm/DrmInfoEvent.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_INFO_EVENT_H__
+#define __DRM_INFO_EVENT_H__
+
+namespace android {
+
+class String8;
+
+/**
+ * This is an entity class which would be passed to caller in
+ * DrmManagerClient::OnInfoListener::onInfo(const DrmInfoEvent&).
+ */
+class DrmInfoEvent {
+public:
+    //! TYPE_ALREADY_REGISTERED_BY_ANOTHER_ACCOUNT, when registration has been
+    //! already done by another account ID.
+    static const int TYPE_ALREADY_REGISTERED_BY_ANOTHER_ACCOUNT = 0x0000001;
+    //! TYPE_REMOVE_RIGHTS, when the rights needs to be removed completely.
+    static const int TYPE_REMOVE_RIGHTS = 0x0000002;
+    //! TYPE_RIGHTS_INSTALLED, when the rights are downloaded and installed ok.
+    static const int TYPE_RIGHTS_INSTALLED = 0x0000003;
+    //! TYPE_RIGHTS_NOT_INSTALLED, when something went wrong installing the rights
+    static const int TYPE_RIGHTS_NOT_INSTALLED = 0x0000004;
+    //! TYPE_RIGHTS_RENEWAL_NOT_ALLOWED, when the server rejects renewal of rights
+    static const int TYPE_RIGHTS_RENEWAL_NOT_ALLOWED = 0x0000005;
+    //! TYPE_NOT_SUPPORTED, when answer from server can not be handled by the native agent
+    static const int TYPE_NOT_SUPPORTED = 0x0000006;
+    //! TYPE_WAIT_FOR_RIGHTS, rights object is on it's way to phone,
+    //! wait before calling checkRights again
+    static const int TYPE_WAIT_FOR_RIGHTS = 0x0000007;
+    //! TYPE_OUT_OF_MEMORY, when memory allocation fail during renewal.
+    //! Can in the future perhaps be used to trigger garbage collector
+    static const int TYPE_OUT_OF_MEMORY = 0x0000008;
+    //! TYPE_NO_INTERNET_CONNECTION, when the Internet connection is missing and no attempt
+    //! can be made to renew rights
+    static const int TYPE_NO_INTERNET_CONNECTION = 0x0000009;
+
+public:
+    /**
+     * Constructor for DrmInfoEvent
+     *
+     * @param[in] uniqueId Unique session identifier
+     * @param[in] infoType Type of information
+     * @param[in] message Message description
+     */
+    DrmInfoEvent(int uniqueId, int infoType, const String8& message);
+
+    /**
+     * Destructor for DrmInfoEvent
+     */
+    virtual ~DrmInfoEvent() {}
+
+public:
+    /**
+     * Returns the Unique Id associated with this instance
+     *
+     * @return Unique Id
+     */
+    int getUniqueId() const;
+
+    /**
+     * Returns the Type of information associated with this object
+     *
+     * @return Type of information
+     */
+    int getType() const;
+
+    /**
+     * Returns the message description associated with this object
+     *
+     * @return Message description
+     */
+    const String8& getMessage() const;
+
+private:
+    int mUniqueId;
+    int mInfoType;
+    const String8& mMessage;
+};
+
+};
+
+#endif /* __DRM_INFO_EVENT_H__ */
+
diff --git a/include/drm/DrmInfoRequest.h b/include/drm/DrmInfoRequest.h
new file mode 100644
index 0000000..3e48ecc
--- /dev/null
+++ b/include/drm/DrmInfoRequest.h
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_INFO_REQUEST_H__
+#define __DRM_INFO_REQUEST_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class used to pass required parameters to get
+ * the necessary information to communicate with online DRM server
+ *
+ * An instance of this class is passed to
+ * DrmManagerClient::acquireDrmInfo(const DrmInfoRequest*) to get the
+ * instance of DrmInfo.
+ *
+ */
+class DrmInfoRequest {
+public:
+    // Changes in following constants should be in sync with DrmInfoRequest.java
+    static const int TYPE_REGISTRATION_INFO = 1;
+    static const int TYPE_UNREGISTRATION_INFO = 2;
+    static const int TYPE_RIGHTS_ACQUISITION_INFO = 3;
+    static const int TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO = 4;
+
+    /**
+     * Key to pass the unique id for the account or the user
+     */
+    static const String8 ACCOUNT_ID;
+    /**
+     * Key to pass the subscription id
+     */
+    static const String8 SUBSCRIPTION_ID;
+
+public:
+    /**
+     * Constructor for DrmInfoRequest
+     *
+     * @param[in] infoType Type of information
+     * @param[in] mimeType MIME type
+     */
+    DrmInfoRequest(int infoType, const String8& mimeType);
+
+    /**
+     * Destructor for DrmInfoRequest
+     */
+    virtual ~DrmInfoRequest() {}
+
+public:
+    /**
+     * Iterator for key
+     */
+    class KeyIterator {
+        friend class DrmInfoRequest;
+
+    private:
+        KeyIterator(const DrmInfoRequest* drmInfoRequest)
+            : mDrmInfoRequest(const_cast <DrmInfoRequest*> (drmInfoRequest)), mIndex(0) {}
+
+    public:
+        KeyIterator(const KeyIterator& keyIterator);
+        KeyIterator& operator=(const KeyIterator& keyIterator);
+        virtual ~KeyIterator() {}
+
+    public:
+        bool hasNext();
+        const String8& next();
+
+    private:
+        DrmInfoRequest* mDrmInfoRequest;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator
+     */
+    class Iterator {
+        friend class DrmInfoRequest;
+
+    private:
+        Iterator(const DrmInfoRequest* drmInfoRequest)
+            : mDrmInfoRequest(const_cast <DrmInfoRequest*> (drmInfoRequest)), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        DrmInfoRequest* mDrmInfoRequest;
+        unsigned int mIndex;
+    };
+
+public:
+    /**
+     * Returns information type associated with this instance
+     *
+     * @return Information type
+     */
+    int getInfoType(void) const;
+
+    /**
+     * Returns MIME type associated with this instance
+     *
+     * @return MIME type
+     */
+    String8 getMimeType(void) const;
+
+    /**
+     * Returns the number of entries in DrmRequestInfoMap
+     *
+     * @return Number of entries
+     */
+    int getCount(void) const;
+
+    /**
+     * Adds optional information as <key, value> pair to this instance
+     *
+     * @param[in] key Key to add
+     * @param[in] value Value to add
+     * @return Returns the error code
+     */
+    status_t put(const String8& key, const String8& value);
+
+    /**
+     * Retrieves the value of given key
+     *
+     * @param key Key whose value to be retrieved
+     * @return The value
+     */
+    String8 get(const String8& key) const;
+
+    /**
+     * Returns KeyIterator object to walk through the keys associated with this instance
+     *
+     * @return KeyIterator object
+     */
+    KeyIterator keyIterator() const;
+
+    /**
+     * Returns Iterator object to walk through the values associated with this instance
+     *
+     * @return Iterator object
+     */
+    Iterator iterator() const;
+
+private:
+    int mInfoType;
+    String8 mMimeType;
+
+    typedef KeyedVector<String8, String8> DrmRequestInfoMap;
+    DrmRequestInfoMap mRequestInformationMap;
+};
+
+};
+
+#endif /* __DRM_INFO_REQUEST_H__ */
+
diff --git a/include/drm/DrmInfoStatus.h b/include/drm/DrmInfoStatus.h
new file mode 100644
index 0000000..806aea1
--- /dev/null
+++ b/include/drm/DrmInfoStatus.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_INFO_STATUS_H__
+#define __DRM_INFO_STATUS_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which wraps the result of communication between device
+ * and online DRM server.
+ *
+ * As a result of DrmManagerClient::processDrmInfo(const DrmInfo*) an instance of
+ * DrmInfoStatus would be returned. This class holds DrmBuffer which could be
+ * used to instantiate DrmRights in license acquisition.
+ *
+ */
+class DrmInfoStatus {
+public:
+    // Should be in sync with DrmInfoStatus.java
+    static const int STATUS_OK = 1;
+    static const int STATUS_ERROR = 2;
+
+public:
+    /**
+     * Constructor for DrmInfoStatus
+     *
+     * @param[in] _statusCode Status of the communication
+     * @param[in] _drmBuffer Rights information
+     * @param[in] _mimeType MIME type
+     */
+    DrmInfoStatus(int _statusCode, const DrmBuffer* _drmBuffer, const String8& _mimeType);
+
+    /**
+     * Destructor for DrmInfoStatus
+     */
+    virtual ~DrmInfoStatus() {
+
+    }
+
+public:
+    int statusCode;
+    const DrmBuffer* drmBuffer;
+    String8 mimeType;
+};
+
+};
+
+#endif /* __DRM_INFO_STATUS_H__ */
+
diff --git a/include/drm/DrmManagerClient.h b/include/drm/DrmManagerClient.h
new file mode 100644
index 0000000..7d14c44
--- /dev/null
+++ b/include/drm/DrmManagerClient.h
@@ -0,0 +1,351 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_MANAGER_CLIENT_H__
+#define __DRM_MANAGER_CLIENT_H__
+
+#include <binder/IInterface.h>
+#include "drm_framework_common.h"
+
+namespace android {
+
+class DrmInfo;
+class DrmRights;
+class DrmInfoEvent;
+class DrmInfoStatus;
+class DrmInfoRequest;
+class DrmSupportInfo;
+class DrmConstraints;
+class DrmConvertedStatus;
+class DrmManagerClientImpl;
+
+/**
+ * The Native application will instantiate this class and access DRM Framework
+ * services through this class.
+ *
+ */
+class DrmManagerClient {
+public:
+    DrmManagerClient();
+
+    virtual ~DrmManagerClient();
+
+public:
+    class OnInfoListener: virtual public RefBase {
+
+    public:
+        virtual void onInfo(const DrmInfoEvent& event) = 0;
+    };
+
+/**
+ * APIs which will be used by native modules (e.g. StageFright)
+ *
+ */
+public:
+    /**
+     * Open the decrypt session to decrypt the given protected content
+     *
+     * @param[in] fd File descriptor of the protected content to be decrypted
+     * @param[in] offset Start position of the content
+     * @param[in] length The length of the protected content
+     * @return
+     *     Handle for the decryption session
+     */
+    DecryptHandle* openDecryptSession(int fd, int offset, int length);
+
+    /**
+     * Close the decrypt session for the given handle
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     */
+    void closeDecryptSession(DecryptHandle* decryptHandle);
+
+    /**
+     * Consumes the rights for a content.
+     * If the reserve parameter is true the rights is reserved until the same
+     * application calls this api again with the reserve parameter set to false.
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc)
+     * @param[in] reserve True if the rights should be reserved.
+     */
+    void consumeRights(DecryptHandle* decryptHandle, int action, bool reserve);
+
+    /**
+     * Informs the DRM engine about the playback actions performed on the DRM files.
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE)
+     * @param[in] position Position in the file (in milliseconds) where the start occurs.
+     *     Only valid together with Playback::START.
+     */
+    void setPlaybackStatus(DecryptHandle* decryptHandle, int playbackStatus, int position);
+
+    /**
+     * Initialize decryption for the given unit of the protected content
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] headerInfo Information for initializing decryption of this decrypUnit
+     */
+    void initializeDecryptUnit(
+            DecryptHandle* decryptHandle, int decryptUnitId, const DrmBuffer* headerInfo);
+
+    /**
+     * Decrypt the protected content buffers for the given unit
+     * This method will be called any number of times, based on number of
+     * encrypted streams received from application.
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     * @param[in] encBuffer Encrypted data block
+     * @param[out] decBuffer Decrypted data block
+     * @return status_t
+     *     Returns the error code for this API
+     *     DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED
+     *     DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED,
+     *     DRM_ERROR_DECRYPT for failure.
+     */
+    status_t decrypt(
+            DecryptHandle* decryptHandle, int decryptUnitId,
+            const DrmBuffer* encBuffer, DrmBuffer** decBuffer);
+
+    /**
+     * Finalize decryption for the given unit of the protected content
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID
+     */
+    void finalizeDecryptUnit(DecryptHandle* decryptHandle, int decryptUnitId);
+
+    /**
+     * Reads the specified number of bytes from an open DRM file.
+     *
+     * @param[in] decryptHandle Handle for the decryption session
+     * @param[out] buffer Reference to the buffer that should receive the read data.
+     * @param[in] numBytes Number of bytes to read.
+     * @param[in] offset Offset with which to update the file position.
+     *
+     * @return Number of bytes read. Returns -1 for Failure.
+     */
+    ssize_t pread(DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset);
+
+    /**
+     * Validates whether an action on the DRM content is allowed or not.
+     *
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to validate. (Action::DEFAULT, Action::PLAY, etc)
+     * @param[in] description Detailed description of the action
+     * @return true if the action is allowed.
+     */
+    bool validateAction(const String8& path, int action, const ActionDescription& description);
+
+/**
+ * APIs which are just the underlying implementation for the Java API
+ *
+ */
+public:
+    /**
+     * Register a callback to be invoked when the caller required to
+     * receive necessary information
+     *
+     * @param[in] infoListener Listener
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t setOnInfoListener(const sp<DrmManagerClient::OnInfoListener>& infoListener);
+
+    /**
+     * Get constraint information associated with input content
+     *
+     * @param[in] path Path of the protected content
+     * @param[in] action Actions defined such as,
+     *             Action::DEFAULT, Action::PLAY, etc
+     * @return DrmConstraints
+     *     key-value pairs of constraint are embedded in it
+     * @note
+     *     In case of error, return NULL
+     */
+    DrmConstraints* getConstraints(const String8* path, const int action);
+
+    /**
+     * Check whether the given mimetype or path can be handled
+     *
+     * @param[in] path Path of the content needs to be handled
+     * @param[in] mimetype Mimetype of the content needs to be handled
+     * @return
+     *     True if DrmManager can handle given path or mime type.
+     */
+    bool canHandle(const String8& path, const String8& mimeType);
+
+    /**
+     * Executes given drm information based on its type
+     *
+     * @param[in] drmInfo Information needs to be processed
+     * @return DrmInfoStatus
+     *     instance as a result of processing given input
+     */
+    DrmInfoStatus* processDrmInfo(const DrmInfo* drmInfo);
+
+    /**
+     * Retrieves necessary information for registration, unregistration or rights
+     * acquisition information.
+     *
+     * @param[in] drmInfoRequest Request information to retrieve drmInfo
+     * @return DrmInfo
+     *     instance as a result of processing given input
+     */
+    DrmInfo* acquireDrmInfo(const DrmInfoRequest* drmInfoRequest);
+
+    /**
+     * Save DRM rights to specified rights path
+     * and make association with content path
+     *
+     * @param[in] drmRights DrmRights to be saved
+     * @param[in] rightsPath File path where rights to be saved
+     * @param[in] contentPath File path where content was saved
+     */
+    void saveRights(
+        const DrmRights& drmRights, const String8& rightsPath, const String8& contentPath);
+
+    /**
+     * Retrieves the mime type embedded inside the original content
+     *
+     * @param[in] path the path of the protected content
+     * @return String8
+     *     Returns mime-type of the original content, such as "video/mpeg"
+     */
+    String8 getOriginalMimeType(const String8& path);
+
+    /**
+     * Retrieves the type of the protected object (content, rights, etc..)
+     * by using specified path or mimetype. At least one parameter should be non null
+     * to retrieve DRM object type
+     *
+     * @param[in] path Path of the content or null.
+     * @param[in] mimeType Mime type of the content or null.
+     * @return type of the DRM content,
+     *     such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT
+     */
+    int getDrmObjectType(const String8& path, const String8& mimeType);
+
+    /**
+     * Check whether the given content has valid rights or not
+     *
+     * @param[in] path Path of the protected content
+     * @param[in] action Action to perform
+     * @return the status of the rights for the protected content,
+     *     such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc.
+     */
+    int checkRightsStatus(const String8& path, int action);
+
+    /**
+     * Removes the rights associated with the given protected content
+     *
+     * @param[in] path Path of the protected content
+     */
+    void removeRights(const String8& path);
+
+    /**
+     * Removes all the rights information of each plug-in associated with
+     * DRM framework. Will be used in master reset
+     *
+     */
+    void removeAllRights();
+
+    /**
+     * This API is for Forward Lock DRM.
+     * Each time the application tries to download a new DRM file
+     * which needs to be converted, then the application has to
+     * begin with calling this API.
+     *
+     * @param[in] convertId Handle for the convert session
+     * @param[in] mimeType Description/MIME type of the input data packet
+     * @return Return handle for the convert session
+     */
+    int openConvertSession(const String8& mimeType);
+
+    /**
+     * Passes the input data which need to be converted. The resultant
+     * converted data and the status is returned in the DrmConvertedInfo
+     * object. This method will be called each time there are new block
+     * of data received by the application.
+     *
+     * @param[in] convertId Handle for the convert session
+     * @param[in] inputData Input Data which need to be converted
+     * @return Return object contains the status of the data conversion,
+     *     the output converted data and offset. In this case the
+     *     application will ignore the offset information.
+     */
+    DrmConvertedStatus* convertData(int convertId, const DrmBuffer* inputData);
+
+    /**
+     * When there is no more data which need to be converted or when an
+     * error occurs that time the application has to inform the Drm agent
+     * via this API. Upon successful conversion of the complete data,
+     * the agent will inform that where the header and body signature
+     * should be added. This signature appending is needed to integrity
+     * protect the converted file.
+     *
+     * @param[in] convertId Handle for the convert session
+     * @return Return object contains the status of the data conversion,
+     *     the header and body signature data. It also informs
+     *     the application on which offset these signature data
+     *     should be appended.
+     */
+    DrmConvertedStatus* closeConvertSession(int convertId);
+
+    /**
+     * Retrieves all DrmSupportInfo instance that native DRM framework can handle.
+     * This interface is meant to be used by JNI layer
+     *
+     * @param[out] length Number of elements in drmSupportInfoArray
+     * @param[out] drmSupportInfoArray Array contains all DrmSupportInfo
+     *     that native DRM framework can handle
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t getAllSupportInfo(int* length, DrmSupportInfo** drmSupportInfoArray);
+
+private:
+    /**
+     * Initialize DRM Manager
+     *     load available plug-ins from default plugInDirPath
+     *
+     * @return status_t
+     *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t loadPlugIns();
+
+    /**
+     * Finalize DRM Manager
+     *    release resources associated with each plug-in
+     *    unload all plug-ins and etc.
+     *
+     * @return status_t
+     *    Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t unloadPlugIns();
+
+private:
+    int mUniqueId;
+    DrmManagerClientImpl* mDrmManagerClientImpl;
+};
+
+};
+
+#endif /* __DRM_MANAGER_CLIENT_H__ */
+
diff --git a/include/drm/DrmRights.h b/include/drm/DrmRights.h
new file mode 100644
index 0000000..e04a066
--- /dev/null
+++ b/include/drm/DrmRights.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_RIGHTS_H__
+#define __DRM_RIGHTS_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which wraps the license information which was
+ * retrieved from the online DRM server.
+ *
+ * Caller can instantiate DrmRights by invoking DrmRights(const DrmBuffer&, String)
+ * constructor by using the result of DrmManagerClient::ProcessDrmInfo(const DrmInfo*) API.
+ * Caller can also instantiate DrmRights using the file path which contains rights information.
+ *
+ */
+class DrmRights {
+public:
+    /**
+     * Constructor for DrmRights
+     *
+     * @param[in] rightsFilePath Path of the file containing rights data
+     * @param[in] mimeType MIME type
+     * @param[in] accountId Account Id of the user
+     * @param[in] subscriptionId Subscription Id of the user
+     */
+    DrmRights(
+            const String8& rightsFilePath, const String8& mimeType,
+            const String8& accountId = String8("_NO_USER"),
+            const String8& subscriptionId = String8(""));
+
+    /**
+     * Constructor for DrmRights
+     *
+     * @param[in] rightsData Rights data
+     * @param[in] mimeType MIME type
+     * @param[in] accountId Account Id of the user
+     * @param[in] subscriptionId Subscription Id of the user
+     */
+    DrmRights(
+            const DrmBuffer& rightsData, const String8& mimeType,
+            const String8& accountId = String8("_NO_USER"),
+            const String8& subscriptionId = String8(""));
+
+    /**
+     * Destructor for DrmRights
+     */
+    virtual ~DrmRights() {}
+
+public:
+    /**
+     * Returns the rights data associated with this instance
+     *
+     * @return Rights data
+     */
+    const DrmBuffer& getData(void) const;
+
+    /**
+     * Returns MIME type associated with this instance
+     *
+     * @return MIME type
+     */
+    String8 getMimeType(void) const;
+
+    /**
+     * Returns the account-id associated with this instance
+     *
+     * @return Account Id
+     */
+    String8 getAccountId(void) const;
+
+    /**
+     * Returns the subscription-id associated with this object
+     *
+     * @return Subscription Id
+     */
+    String8 getSubscriptionId(void) const;
+
+private:
+    DrmBuffer mData;
+    String8 mMimeType;
+    String8 mAccountId;
+    String8 mSubscriptionId;
+};
+
+};
+
+#endif /* __DRM_RIGHTS_H__ */
+
diff --git a/include/drm/DrmSupportInfo.h b/include/drm/DrmSupportInfo.h
new file mode 100644
index 0000000..bf12b0b
--- /dev/null
+++ b/include/drm/DrmSupportInfo.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_SUPPORT_INFO_H__
+#define __DRM_SUPPORT_INFO_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which wraps the capability of each plug-in,
+ * such as mimetype's and file suffixes it could handle.
+ *
+ * Plug-in developer could return the capability of the plugin by passing
+ * DrmSupportInfo instance.
+ *
+ */
+class DrmSupportInfo {
+public:
+    /**
+     * Iterator for mMimeTypeVector
+     */
+    class MimeTypeIterator {
+        friend class DrmSupportInfo;
+    private:
+        MimeTypeIterator(DrmSupportInfo* drmSupportInfo)
+           : mDrmSupportInfo(drmSupportInfo), mIndex(0) {}
+    public:
+        MimeTypeIterator(const MimeTypeIterator& iterator);
+        MimeTypeIterator& operator=(const MimeTypeIterator& iterator);
+        virtual ~MimeTypeIterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        DrmSupportInfo* mDrmSupportInfo;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator for mFileSuffixVector
+     */
+    class FileSuffixIterator {
+       friend class DrmSupportInfo;
+
+    private:
+        FileSuffixIterator(DrmSupportInfo* drmSupportInfo)
+            : mDrmSupportInfo(drmSupportInfo), mIndex(0) {}
+    public:
+        FileSuffixIterator(const FileSuffixIterator& iterator);
+        FileSuffixIterator& operator=(const FileSuffixIterator& iterator);
+        virtual ~FileSuffixIterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        DrmSupportInfo* mDrmSupportInfo;
+        unsigned int mIndex;
+    };
+
+public:
+    /**
+     * Constructor for DrmSupportInfo
+     */
+    DrmSupportInfo();
+
+    /**
+     * Copy constructor for DrmSupportInfo
+     */
+    DrmSupportInfo(const DrmSupportInfo& drmSupportInfo);
+
+    /**
+     * Destructor for DrmSupportInfo
+     */
+    virtual ~DrmSupportInfo() {}
+
+    DrmSupportInfo& operator=(const DrmSupportInfo& drmSupportInfo);
+    bool operator<(const DrmSupportInfo& drmSupportInfo) const;
+    bool operator==(const DrmSupportInfo& drmSupportInfo) const;
+
+    /**
+     * Returns FileSuffixIterator object to walk through file suffix values
+     * associated with this instance
+     *
+     * @return FileSuffixIterator object
+     */
+    FileSuffixIterator getFileSuffixIterator();
+
+    /**
+     * Returns MimeTypeIterator object to walk through mimetype values
+     * associated with this instance
+     *
+     * @return MimeTypeIterator object
+     */
+    MimeTypeIterator getMimeTypeIterator();
+
+public:
+    /**
+     * Returns the number of mimetypes supported.
+     *
+     * @return Number of mimetypes supported
+     */
+    int getMimeTypeCount(void) const;
+
+    /**
+     * Returns the number of file types supported.
+     *
+     * @return Number of file types supported
+     */
+    int getFileSuffixCount(void) const;
+
+    /**
+     * Adds the mimetype to the list of supported mimetypes
+     *
+     * @param[in] mimeType mimetype to be added
+     * @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t addMimeType(const String8& mimeType);
+
+    /**
+     * Adds the filesuffix to the list of supported file types
+     *
+     * @param[in] filesuffix file suffix to be added
+     * @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t addFileSuffix(const String8& fileSuffix);
+
+    /**
+     * Set the unique description about the plugin
+     *
+     * @param[in] description Unique description
+     * @return Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+     */
+    status_t setDescription(const String8& description);
+
+    /**
+     * Returns the unique description associated with the plugin
+     *
+     * @return Unique description
+     */
+    String8 getDescription() const;
+
+    /**
+     * Returns whether given mimetype is supported or not
+     *
+     * @param[in] mimeType MIME type
+     * @return
+     *        true - if mime-type is supported
+     *        false - if mime-type is not supported
+     */
+    bool isSupportedMimeType(const String8& mimeType) const;
+
+    /**
+     * Returns whether given file type is supported or not
+     *
+     * @param[in] fileType File type
+     * @return
+     *     true if file type is supported
+     *     false if file type is not supported
+     */
+    bool isSupportedFileSuffix(const String8& fileType) const;
+
+private:
+    Vector<String8> mMimeTypeVector;
+    Vector<String8> mFileSuffixVector;
+
+    String8 mDescription;
+};
+
+};
+
+#endif /* __DRM_SUPPORT_INFO_H__ */
+
diff --git a/include/drm/drm_framework_common.h b/include/drm/drm_framework_common.h
new file mode 100644
index 0000000..8b8a9f5
--- /dev/null
+++ b/include/drm/drm_framework_common.h
@@ -0,0 +1,300 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __DRM_FRAMEWORK_COMMON_H__
+#define __DRM_FRAMEWORK_COMMON_H__
+
+#include <utils/Vector.h>
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+#include <utils/Errors.h>
+
+#define INVALID_VALUE -1
+
+namespace android {
+
+/**
+ * Error code for DRM Frameowrk
+ */
+enum {
+    DRM_ERROR_BASE = -2000,
+
+    DRM_ERROR_UNKNOWN                       = DRM_ERROR_BASE,
+    DRM_ERROR_LICENSE_EXPIRED               = DRM_ERROR_BASE - 1,
+    DRM_ERROR_SESSION_NOT_OPENED            = DRM_ERROR_BASE - 2,
+    DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED  = DRM_ERROR_BASE - 3,
+    DRM_ERROR_DECRYPT                       = DRM_ERROR_BASE - 4,
+    DRM_ERROR_CANNOT_HANDLE                 = DRM_ERROR_BASE - 5,
+
+    DRM_NO_ERROR                            = NO_ERROR
+};
+
+/**
+ * Defines DRM Buffer
+ */
+class DrmBuffer {
+public:
+    char* data;
+    int length;
+
+    DrmBuffer() :
+        data(NULL),
+        length(0) {
+    }
+
+    DrmBuffer(char* dataBytes, int dataLength) :
+        data(dataBytes),
+        length(dataLength) {
+    }
+
+};
+
+/**
+ * Defines detailed description of the action
+ */
+class ActionDescription {
+public:
+    ActionDescription(int _outputType, int _configuration) :
+        outputType(_outputType),
+        configuration(_configuration) {
+    }
+
+public:
+    int outputType;   /* BLUETOOTH , HDMI*/
+    int configuration; /* RESOLUTION_720_480 , RECORDABLE etc.*/
+};
+
+/**
+ * Defines constants related to DRM types
+ */
+class DrmObjectType {
+private:
+    DrmObjectType();
+
+public:
+    /**
+     * Field specifies the unknown type
+     */
+    static const int UNKNOWN = 0x00;
+    /**
+     * Field specifies the protected content type
+     */
+    static const int CONTENT = 0x01;
+    /**
+     * Field specifies the rights information
+     */
+    static const int RIGHTS_OBJECT = 0x02;
+    /**
+     * Field specifies the trigger information
+     */
+    static const int TRIGGER_OBJECT = 0x03;
+};
+
+/**
+ * Defines constants related to play back
+ */
+class Playback {
+private:
+    Playback();
+
+public:
+    /**
+     * Constant field signifies playback start
+     */
+    static const int START = 0x00;
+    /**
+     * Constant field signifies playback stop
+     */
+    static const int STOP = 0x01;
+    /**
+     * Constant field signifies playback paused
+     */
+    static const int PAUSE = 0x02;
+    /**
+     * Constant field signifies playback resumed
+     */
+    static const int RESUME = 0x03;
+};
+
+/**
+ * Defines actions that can be performed on protected content
+ */
+class Action {
+private:
+    Action();
+
+public:
+    /**
+     * Constant field signifies that the default action
+     */
+    static const int DEFAULT = 0x00;
+    /**
+     * Constant field signifies that the content can be played
+     */
+    static const int PLAY = 0x01;
+    /**
+     * Constant field signifies that the content can be set as ring tone
+     */
+    static const int RINGTONE = 0x02;
+    /**
+     * Constant field signifies that the content can be transfered
+     */
+    static const int TRANSFER = 0x03;
+    /**
+     * Constant field signifies that the content can be set as output
+     */
+    static const int OUTPUT = 0x04;
+    /**
+     * Constant field signifies that preview is allowed
+     */
+    static const int PREVIEW = 0x05;
+    /**
+     * Constant field signifies that the content can be executed
+     */
+    static const int EXECUTE = 0x06;
+    /**
+     * Constant field signifies that the content can displayed
+     */
+    static const int DISPLAY = 0x07;
+};
+
+/**
+ * Defines constants related to status of the rights
+ */
+class RightsStatus {
+private:
+    RightsStatus();
+
+public:
+    /**
+     * Constant field signifies that the rights are valid
+     */
+    static const int RIGHTS_VALID = 0x00;
+    /**
+     * Constant field signifies that the rights are invalid
+     */
+    static const int RIGHTS_INVALID = 0x01;
+    /**
+     * Constant field signifies that the rights are expired for the content
+     */
+    static const int RIGHTS_EXPIRED = 0x02;
+    /**
+     * Constant field signifies that the rights are not acquired for the content
+     */
+    static const int RIGHTS_NOT_ACQUIRED = 0x03;
+};
+
+/**
+ * Defines API set for decryption
+ */
+class DecryptApiType {
+private:
+    DecryptApiType();
+
+public:
+    /**
+     * Decrypt API set for non encrypted content
+     */
+    static const int NON_ENCRYPTED = 0x00;
+    /**
+     * Decrypt API set for ES based DRM
+     */
+    static const int ELEMENTARY_STREAM_BASED = 0x01;
+    /**
+     * POSIX based Decrypt API set for container based DRM
+     */
+    static const int CONTAINER_BASED = 0x02;
+};
+
+/**
+ * Defines decryption information
+ */
+class DecryptInfo {
+public:
+    /**
+     * size of memory to be allocated to get the decrypted content.
+     */
+    int decryptBufferLength;
+    /**
+     * reserved for future purpose
+     */
+};
+
+/**
+ * Defines decryption handle
+ */
+class DecryptHandle {
+public:
+    /**
+     * Decryption session Handle
+     */
+    int decryptId;
+    /**
+     * Mimetype of the content to be used to select the media extractor
+     * For e.g., "video/mpeg" or "audio/mp3"
+     */
+    String8 mimeType;
+    /**
+     * Defines which decryption pattern should be used to decrypt the given content
+     * DrmFramework provides two different set of decryption APIs.
+     *   1. Decrypt APIs for elementary stream based DRM
+     *      (file format is not encrypted but ES is encrypted)
+     *         e.g., Marlin DRM (MP4 file format), WM-DRM (asf file format)
+     *
+     *         DecryptAPI::TYPE_ELEMENTARY_STREAM_BASED
+     *             Decryption API set for ES based DRM
+     *                 initializeDecryptUnit(), decrypt(), and finalizeDecryptUnit()
+     *   2. Decrypt APIs for container based DRM (file format itself is encrypted)
+     *         e.g., OMA DRM (dcf file format)
+     *
+     *         DecryptAPI::TYPE_CONTAINER_BASED
+     *             POSIX based Decryption API set for container based DRM
+     *                 pread()
+     */
+    int decryptApiType;
+    /**
+     * Defines the status of the rights like
+     *     RIGHTS_VALID, RIGHTS_INVALID, RIGHTS_EXPIRED or RIGHTS_NOT_ACQUIRED
+     */
+    int status;
+    /**
+     * Information required to decrypt content
+     * e.g. size of memory to be allocated to get the decrypted content.
+     */
+    DecryptInfo* decryptInfo;
+
+public:
+    DecryptHandle():
+            decryptId(INVALID_VALUE),
+            mimeType(""),
+            decryptApiType(INVALID_VALUE),
+            status(INVALID_VALUE) {
+
+    }
+
+    bool operator<(const DecryptHandle& handle) const {
+        return (decryptId < handle.decryptId);
+    }
+
+    bool operator==(const DecryptHandle& handle) const {
+        return (decryptId == handle.decryptId);
+    }
+};
+
+};
+
+#endif /* __DRM_FRAMEWORK_COMMON_H__ */
+
diff --git a/include/media/EffectEnvironmentalReverbApi.h b/include/media/EffectEnvironmentalReverbApi.h
index 2233e3f..36accd8 100644
--- a/include/media/EffectEnvironmentalReverbApi.h
+++ b/include/media/EffectEnvironmentalReverbApi.h
@@ -48,16 +48,16 @@
 
 //t_reverb_settings is equal to SLEnvironmentalReverbSettings defined in OpenSL ES specification.
 typedef struct s_reverb_settings {
-    int16_t roomLevel;
-    int16_t roomHFLevel;
-    int32_t decayTime;
-    int16_t decayHFRatio;
-    int16_t reflectionsLevel;
-    int32_t reflectionsDelay;
-    int16_t reverbLevel;
-    int32_t reverbDelay;
-    int16_t diffusion;
-    int16_t density;
+    int16_t     roomLevel;
+    int16_t     roomHFLevel;
+    uint32_t    decayTime;
+    int16_t     decayHFRatio;
+    int16_t     reflectionsLevel;
+    uint32_t    reflectionsDelay;
+    int16_t     reverbLevel;
+    uint32_t    reverbDelay;
+    int16_t     diffusion;
+    int16_t     density;
 } __attribute__((packed)) t_reverb_settings;
 
 
diff --git a/include/media/IOMX.h b/include/media/IOMX.h
index 2f61cbe..1f8ce71 100644
--- a/include/media/IOMX.h
+++ b/include/media/IOMX.h
@@ -19,6 +19,7 @@
 #define ANDROID_IOMX_H_
 
 #include <binder/IInterface.h>
+#include <ui/GraphicBuffer.h>
 #include <utils/List.h>
 #include <utils/String8.h>
 
@@ -78,10 +79,17 @@
             node_id node, OMX_INDEXTYPE index,
             const void *params, size_t size) = 0;
 
+    virtual status_t enableGraphicBuffers(
+            node_id node, OMX_U32 port_index, OMX_BOOL enable) = 0;
+
     virtual status_t useBuffer(
             node_id node, OMX_U32 port_index, const sp<IMemory> &params,
             buffer_id *buffer) = 0;
 
+    virtual status_t useGraphicBuffer(
+            node_id node, OMX_U32 port_index,
+            const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) = 0;
+
     // This API clearly only makes sense if the caller lives in the
     // same process as the callee, i.e. is the media_server, as the
     // returned "buffer_data" pointer is just that, a pointer into local
diff --git a/include/media/stagefright/AudioSource.h b/include/media/stagefright/AudioSource.h
index 1af4254..a5cec78 100644
--- a/include/media/stagefright/AudioSource.h
+++ b/include/media/stagefright/AudioSource.h
@@ -72,6 +72,7 @@
     int64_t mPrevSampleTimeUs;
     int64_t mTotalLostFrames;
     int64_t mPrevLostBytes;
+    int64_t mInitialReadTimeUs;
 
     MediaBufferGroup *mGroup;
 
diff --git a/include/media/stagefright/HardwareAPI.h b/include/media/stagefright/HardwareAPI.h
index 221c679..4ded5e8 100644
--- a/include/media/stagefright/HardwareAPI.h
+++ b/include/media/stagefright/HardwareAPI.h
@@ -21,10 +21,60 @@
 #include <media/stagefright/OMXPluginBase.h>
 #include <media/stagefright/VideoRenderer.h>
 #include <surfaceflinger/ISurface.h>
+#include <ui/android_native_buffer.h>
 #include <utils/RefBase.h>
 
 #include <OMX_Component.h>
 
+namespace android {
+
+// A pointer to this struct is passed to the OMX_SetParameter when the extension
+// index for the 'OMX.google.android.index.enableAndroidNativeBuffers' extension
+// is given.
+//
+// When Android native buffer use is disabled for a port (the default state),
+// the OMX node should operate as normal, and expect UseBuffer calls to set its
+// buffers.  This is the mode that will be used when CPU access to the buffer is
+// required.
+//
+// When Android native buffer use has been enabled, the OMX node must support
+// only color formats in the range [OMX_COLOR_FormatAndroidPrivateStart,
+// OMX_COLOR_FormatAndroidPrivateEnd).  The node should then expect to receive
+// UseAndroidNativeBuffer calls (via OMX_SetParameter) rather than UseBuffer
+// calls.
+struct EnableAndroidNativeBuffersParams {
+    OMX_U32 nSize;
+    OMX_VERSIONTYPE nVersion;
+    OMX_U32 nPortIndex;
+    OMX_BOOL enable;
+};
+
+// Color formats in the range [OMX_COLOR_FormatAndroidPrivateStart,
+// OMX_COLOR_FormatAndroidPrivateEnd) will be converted to a gralloc pixel
+// format when used to allocate Android native buffers via gralloc.  The
+// conversion is done by subtracting OMX_COLOR_FormatAndroidPrivateStart from
+// the color format reported by the codec.
+enum {
+    OMX_COLOR_FormatAndroidPrivateStart = 0xA0000000,
+    OMX_COLOR_FormatAndroidPrivateEnd = 0xB0000000,
+};
+
+// A pointer to this struct is passed to OMX_SetParameter when the extension
+// index for the 'OMX.google.android.index.useAndroidNativeBuffer' extension is
+// given.  This call will only be performed if a prior call was made with the
+// 'OMX.google.android.index.enableAndroidNativeBuffers' extension index,
+// enabling use of Android native buffers.
+struct UseAndroidNativeBufferParams {
+    OMX_U32 nSize;
+    OMX_VERSIONTYPE nVersion;
+    OMX_U32 nPortIndex;
+    OMX_PTR pAppPrivate;
+    OMX_BUFFERHEADERTYPE **bufferHeader;
+    const sp<android_native_buffer_t>& nativeBuffer;
+};
+
+}  // namespace android
+
 extern android::VideoRenderer *createRenderer(
         const android::sp<android::ISurface> &surface,
         const char *componentName,
@@ -35,4 +85,3 @@
 extern android::OMXPluginBase *createOMXPlugin();
 
 #endif  // HARDWARE_API_H_
-
diff --git a/include/media/stagefright/MPEG4Writer.h b/include/media/stagefright/MPEG4Writer.h
index 2412f6a..70bd8e8 100644
--- a/include/media/stagefright/MPEG4Writer.h
+++ b/include/media/stagefright/MPEG4Writer.h
@@ -62,6 +62,7 @@
     class Track;
 
     FILE *mFile;
+    bool mUse4ByteNalLength;
     bool mUse32BitOffset;
     bool mPaused;
     bool mStarted;
@@ -132,9 +133,13 @@
     // Adjust other track media clock (presumably wall clock)
     // based on audio track media clock with the drift time.
     int64_t mDriftTimeUs;
-    void addDriftTimeUs(int64_t driftTimeUs);
+    void setDriftTimeUs(int64_t driftTimeUs);
     int64_t getDriftTimeUs();
 
+    // Return whether the nal length is 4 bytes or 2 bytes
+    // Only makes sense for H.264/AVC
+    bool useNalLengthFour();
+
     void lock();
     void unlock();
 
@@ -144,6 +149,7 @@
 
     inline size_t write(const void *ptr, size_t size, size_t nmemb, FILE* stream);
     bool exceedsFileSizeLimit();
+    bool use32BitFileOffset() const;
     bool exceedsFileDurationLimit();
     void trackProgressStatus(const Track* track, int64_t timeUs, status_t err = OK);
 
diff --git a/include/media/stagefright/MetaData.h b/include/media/stagefright/MetaData.h
index 43354c2..1594e31 100644
--- a/include/media/stagefright/MetaData.h
+++ b/include/media/stagefright/MetaData.h
@@ -48,6 +48,8 @@
     kKeyTime              = 'time',  // int64_t (usecs)
     kKeyNTPTime           = 'ntpT',  // uint64_t (ntp-timestamp)
     kKeyTargetTime        = 'tarT',  // int64_t (usecs)
+    kKeyDriftTime         = 'dftT',  // int64_t (usecs)
+    kKeyAnchorTime        = 'ancT',  // int64_t (usecs)
     kKeyDuration          = 'dura',  // int64_t (usecs)
     kKeyColorFormat       = 'colf',
     kKeyPlatformPrivate   = 'priv',  // pointer
@@ -78,6 +80,7 @@
 
     // Set this key to enable authoring files in 64-bit offset
     kKey64BitFileOffset   = 'fobt',  // int32_t (bool)
+    kKey2ByteNalLength    = '2NAL',  // int32_t (bool)
 
     // Identify the file output format for authoring
     // Please see <media/mediarecorder.h> for the supported
@@ -90,6 +93,8 @@
 
     kKeyNotRealTime       = 'ntrt',  // bool (int32_t)
 
+    // Ogg files can be tagged to be automatically looping...
+    kKeyAutoLoop          = 'autL',  // bool (int32_t)
 };
 
 enum {
diff --git a/media/libeffects/lvm/lib/Bass/src/LVDBE_Private.h b/media/libeffects/lvm/lib/Bass/src/LVDBE_Private.h
index 495b38f..8339d3c 100644
--- a/media/libeffects/lvm/lib/Bass/src/LVDBE_Private.h
+++ b/media/libeffects/lvm/lib/Bass/src/LVDBE_Private.h
@@ -64,7 +64,7 @@
 #define LVDBE_PERSISTENT_COEF_ALIGN      4       /* 32-bit alignment for coef */
 #define LVDBE_SCRATCH_ALIGN              4       /* 32-bit alignment for long data */
 
-#define LVDBE_SCRATCHBUFFERS_INPLACE     4       /* Number of buffers required for inplace processing */
+#define LVDBE_SCRATCHBUFFERS_INPLACE     6       /* Number of buffers required for inplace processing */
 
 #define LVDBE_MIXER_TC                   5       /* Mixer time  */
 #define LVDBE_BYPASS_MIXER_TC            100     /* Bypass mixer time */
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.c b/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.c
index 6a8b39b..ac2ef9d 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.c
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.c
@@ -496,7 +496,6 @@
      * Update the bypass mixer time constant
      */
     if((pPrivate->NewParams.SampleRate   != pPrivate->CurrentParams.SampleRate)   ||
-       (pPrivate->NewParams.SourceFormat != pPrivate->CurrentParams.SourceFormat) ||
        (pPrivate->bFirstControl          == LVM_TRUE))
     {
         LVM_UINT16   NumChannels = 1;                       /* Assume MONO format */
@@ -508,11 +507,7 @@
         pPrivate->FeedbackMixer[2].Alpha=Alpha;
         pPrivate->FeedbackMixer[3].Alpha=Alpha;
 
-        if (pPrivate->NewParams.SourceFormat != LVM_MONO)
-        {
-            /* Stereo or Mono-in-Stereo format data */
-            NumChannels = 2;
-        }
+        NumChannels = 2;                                    /* Always stereo output */
         pPrivate->BypassMixer.Alpha1 = (LVM_INT32)LVM_Mixer_TimeConstant(LVREV_BYPASSMIXER_TC, LVM_GetFsFromTable(pPrivate->NewParams.SampleRate), NumChannels);
         pPrivate->BypassMixer.Alpha2 = pPrivate->BypassMixer.Alpha1;
         pPrivate->GainMixer.Alpha    = pPrivate->BypassMixer.Alpha1;
@@ -526,7 +521,7 @@
         (pPrivate->NewParams.OperatingMode == LVM_MODE_ON))
     {
         pPrivate->BypassMixer.Target2 = ((LVM_INT32)(pPrivate->NewParams.Level * 32767)/100)<<16;
-        pPrivate->BypassMixer.Target1 = LVREV_HEADROOM << 16;
+        pPrivate->BypassMixer.Target1 = 0x00000000;
         if ((pPrivate->NewParams.Level == 0) && (pPrivate->bFirstControl == LVM_FALSE))
         {
             pPrivate->BypassMixer.CallbackSet2 = LVM_TRUE;
@@ -542,7 +537,7 @@
         if(pPrivate->NewParams.OperatingMode == LVM_MODE_ON)
         {
             pPrivate->BypassMixer.Target2 = ((LVM_INT32)(pPrivate->NewParams.Level * 32767)/100)<<16;
-            pPrivate->BypassMixer.Target1 = LVREV_HEADROOM << 16;
+            pPrivate->BypassMixer.Target1 = 0x00000000;
 
             pPrivate->BypassMixer.CallbackSet2 = LVM_FALSE;
             OperatingMode                      = LVM_MODE_ON;
@@ -558,7 +553,7 @@
         else if (pPrivate->bFirstControl == LVM_FALSE)
         {
             pPrivate->BypassMixer.Target2 = 0x00000000;
-            pPrivate->BypassMixer.Target1 = 0x7FFFFFFF;
+            pPrivate->BypassMixer.Target1 = 0x00000000;
             pPrivate->BypassMixer.CallbackSet2 = LVM_TRUE;
             pPrivate->GainMixer.Target    = 0x03FFFFFF;
             OperatingMode = LVM_MODE_ON;
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.c b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.c
index c2b266a..ffa5138 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.c
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.c
@@ -238,8 +238,8 @@
     pLVREV_Private->BypassMixer.pGeneralPurpose1    = LVM_NULL;
     pLVREV_Private->BypassMixer.pCallBack1          = LVM_NULL;
     pLVREV_Private->BypassMixer.CallbackSet1        = LVM_FALSE;
-    pLVREV_Private->BypassMixer.Current1            = 0x7fffffff;
-    pLVREV_Private->BypassMixer.Target1             = 0x7fffffff;
+    pLVREV_Private->BypassMixer.Current1            = 0x00000000;
+    pLVREV_Private->BypassMixer.Target1             = 0x00000000;
 
     pLVREV_Private->RoomSizeInms                    = 100;  // 100 msec
 
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
index 81521ba..5c7a8a0 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
@@ -54,7 +54,8 @@
    LVREV_Instance_st     *pLVREV_Private = (LVREV_Instance_st *)hInstance;
    LVM_INT32             *pInput  = (LVM_INT32 *)pInData;
    LVM_INT32             *pOutput = pOutData;
-   LVM_INT32             SamplesToProcess, RemainingSamples, format;
+   LVM_INT32             SamplesToProcess, RemainingSamples;
+   LVM_INT32             format = 1;
 
     /*
      * Check for error conditions
@@ -66,7 +67,6 @@
         return LVREV_NULLADDRESS;
     }
 
-
     /*
      * Apply the new controls settings if required
      */
@@ -95,9 +95,31 @@
         return LVREV_SUCCESS;
     }
 
+    /*
+     * If OFF copy and reformat the data as necessary
+     */
+    if (pLVREV_Private->CurrentParams.OperatingMode == LVM_MODE_OFF)
+    {
+        if(pInput != pOutput)
+        {
+            /*
+             * Copy the data to the output buffer, convert to stereo is required
+             */
+
+            if(pLVREV_Private->CurrentParams.SourceFormat == LVM_MONO){
+                MonoTo2I_32(pInput, pOutput, NumSamples);
+            } else {
+                Copy_16((LVM_INT16 *)pInput,
+                        (LVM_INT16 *)pOutput,
+                        (LVM_INT16)(NumSamples << 2)); // 32 bit data, stereo
+            }
+        }
+
+        return LVREV_SUCCESS;
+    }
+
     RemainingSamples = (LVM_INT32)NumSamples;
 
-    format = 1;
     if (pLVREV_Private->CurrentParams.SourceFormat != LVM_MONO)
     {
         format = 2;
@@ -106,51 +128,24 @@
     while (RemainingSamples!=0)
     {
         /*
-         * If OFF copy and reformat the data as necessary
+         * Process the data
          */
-        if (pLVREV_Private->CurrentParams.OperatingMode == LVM_MODE_OFF)
+
+        if(RemainingSamples >  pLVREV_Private->MaxBlkLen)
         {
-            if((pInput != pOutput) || (pLVREV_Private->CurrentParams.SourceFormat == LVM_MONO))
-            {
-                /*
-                 * Copy the data to the output buffer
-                 */
-
-                if (pLVREV_Private->CurrentParams.SourceFormat != LVM_MONO)
-                {
-                    RemainingSamples = (RemainingSamples << 1);           /* Stereo data */
-                }
-
-                Copy_16((LVM_INT16 *)pInput,
-                        (LVM_INT16 *)pOutput,
-                        (LVM_INT16)(RemainingSamples << 1));
-            }
-
+            SamplesToProcess =  pLVREV_Private->MaxBlkLen;
+            RemainingSamples = (LVM_INT16)(RemainingSamples - SamplesToProcess);
+        }
+        else
+        {
+            SamplesToProcess = RemainingSamples;
             RemainingSamples = 0;
         }
 
-        /*
-         * Process the data
-         */
-        else
-        {
+        ReverbBlock(pInput, pOutput, pLVREV_Private, (LVM_UINT16)SamplesToProcess);
 
-            if(RemainingSamples >  pLVREV_Private->MaxBlkLen)
-            {
-                SamplesToProcess =  pLVREV_Private->MaxBlkLen;
-                RemainingSamples = (LVM_INT16)(RemainingSamples - SamplesToProcess);
-            }
-            else
-            {
-                SamplesToProcess = RemainingSamples;
-                RemainingSamples = 0;
-            }
-
-            ReverbBlock(pInput, pOutput, pLVREV_Private, (LVM_UINT16)SamplesToProcess);
-
-            pInput  = (LVM_INT32 *)(pInput +(SamplesToProcess*format));
-            pOutput = (LVM_INT32 *)(pOutput+(SamplesToProcess*format));
-        }
+        pInput  = (LVM_INT32 *)(pInput +(SamplesToProcess*format));
+        pOutput = (LVM_INT32 *)(pOutput+(SamplesToProcess*2));      // Always stereo output
     }
 
     return LVREV_SUCCESS;
@@ -420,26 +415,13 @@
                             pPrivate->pScratchDelayLine[1],
                             (LVM_INT16)NumSamples);
 
-             if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-             {
-                JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
-                               pPrivate->pScratchDelayLine[1],
-                               pTemp,
-                               (LVM_INT16)NumSamples);
 
-             }
-             else
-             {
-                 Add2_Sat_32x32(pPrivate->pScratchDelayLine[1],
-                                pPrivate->pScratchDelayLine[0],
-                                (LVM_INT16)NumSamples);
+            JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
+                           pPrivate->pScratchDelayLine[1],
+                           pTemp,
+                           (LVM_INT16)NumSamples);
 
-                /*Apply 3-dB gain in-order to compensate for the gain change in stereo mode*/
-                Mult3s_32x16(pPrivate->pScratchDelayLine[0],
-                             LVREV_MIN3DB,
-                             pTemp,
-                             (LVM_INT16)NumSamples);
-             }
+
             break;
         case LVREV_DELAYLINES_2:
 
@@ -447,49 +429,25 @@
                       (LVM_INT16*)pScratch,
                       (LVM_INT16)(NumSamples << 1));
 
-
-
-             if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-             {
-
-                Mac3s_Sat_32x16(pPrivate->pScratchDelayLine[0],
-                                -0x8000,
-                                pScratch,
-                                (LVM_INT16)NumSamples);
-             }
+            Mac3s_Sat_32x16(pPrivate->pScratchDelayLine[0],
+                            -0x8000,
+                            pScratch,
+                            (LVM_INT16)NumSamples);
 
              Add2_Sat_32x32(pPrivate->pScratchDelayLine[1],
                             pPrivate->pScratchDelayLine[0],
                             (LVM_INT16)NumSamples);
 
 
-             if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-             {
-                 JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
-                                pScratch,
-                                pTemp,
-                                (LVM_INT16)NumSamples);
-             }
-             else
-             {
-                Copy_16(    (LVM_INT16*)pPrivate->pScratchDelayLine[0],
-                            (LVM_INT16*)pTemp,
-                            (LVM_INT16)(NumSamples << 1));
-
-             }
-            break;
-        case LVREV_DELAYLINES_1:
-            if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-            {
-
-                MonoTo2I_32(pPrivate->pScratchDelayLine[0],
+             JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
+                            pScratch,
                             pTemp,
                             (LVM_INT16)NumSamples);
-            }
-            else
-            {
-                pTemp = pPrivate->pScratchDelayLine[0];
-            }
+            break;
+        case LVREV_DELAYLINES_1:
+            MonoTo2I_32(pPrivate->pScratchDelayLine[0],
+                        pTemp,
+                        (LVM_INT16)NumSamples);
             break;
         default:
             break;
@@ -499,30 +457,15 @@
     /*
      *  Dry/wet mixer
      */
-    if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-    {
-        size = (LVM_INT16)(NumSamples << 1);
-    }
-    else
-    {
-        size = (LVM_INT16)NumSamples;
-    }
 
+    size = (LVM_INT16)(NumSamples << 1);
     MixSoft_2St_D32C31_SAT(&pPrivate->BypassMixer,
-                           pInput,
+                           pTemp,
                            pTemp,
                            pOutput,
                            size);
 
     /* Apply Gain*/
-    if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
-    {
-        size = (LVM_INT16)(NumSamples << 1);
-    }
-    else
-    {
-        size = (LVM_INT16)NumSamples;
-    }
 
     Shift_Sat_v32xv32 (LVREV_OUTPUTGAIN_SHIFT,
                        pOutput,
@@ -533,6 +476,7 @@
                            pOutput,
                            pOutput,
                            size);
+
     return;
 }
 
diff --git a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Control.c b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Control.c
index a3ba42b..ce6d410 100644
--- a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Control.c
+++ b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Control.c
@@ -202,7 +202,9 @@
         /* Set the reverb delay timeout */
         if(pInstance->bInOperatingModeTransition != LVM_TRUE){
             pInstance->bTimerDone = LVM_FALSE;
-            pInstance->TimerParams.TimeInMs = (LVM_INT16)(((pInstance->Reverberation.DelaySize << 2)/pInstance->TimerParams.SamplingRate) + 1);
+            pInstance->TimerParams.TimeInMs =
+            (LVM_INT16)(((pInstance->Reverberation.DelaySize << 2)
+            /pInstance->TimerParams.SamplingRate) + 1);
             LVM_Timer_Init ( &pInstance->TimerInstance,
                              &pInstance->TimerParams);
         }
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index d3bb96e..e86ed99 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -258,14 +258,21 @@
         pContext->pBundledContext->firstVolume              = LVM_TRUE;
 
         #ifdef LVM_PCM
-        pContext->pBundledContext->PcmInPtr  = NULL;
-        pContext->pBundledContext->PcmOutPtr = NULL;
 
-        pContext->pBundledContext->PcmInPtr  = fopen("/data/tmp/bundle_pcm_in.pcm", "w");
-        pContext->pBundledContext->PcmOutPtr = fopen("/data/tmp/bundle_pcm_out.pcm", "w");
+        char fileName[256];
+        snprintf(fileName, 256, "/data/tmp/bundle_%p_pcm_in.pcm", pContext->pBundledContext);
+        pContext->pBundledContext->PcmInPtr = fopen(fileName, "w");
+        if (pContext->pBundledContext->PcmInPtr == NULL) {
+            LOGV("cannot open %s", fileName);
+           return -EINVAL;
+        }
 
-        if((pContext->pBundledContext->PcmInPtr  == NULL)||
-           (pContext->pBundledContext->PcmOutPtr == NULL)){
+        snprintf(fileName, 256, "/data/tmp/bundle_%p_pcm_out.pcm", pContext->pBundledContext);
+        pContext->pBundledContext->PcmOutPtr = fopen(fileName, "w");
+        if (pContext->pBundledContext->PcmOutPtr == NULL) {
+            LOGV("cannot open %s", fileName);
+            fclose(pContext->pBundledContext->PcmInPtr);
+           pContext->pBundledContext->PcmInPtr = NULL;
            return -EINVAL;
         }
         #endif
@@ -375,8 +382,14 @@
     (GlobalSessionMemory[pContext->pBundledContext->SessionNo].bVirtualizerInstantiated==LVM_FALSE))
     {
         #ifdef LVM_PCM
-        fclose(pContext->pBundledContext->PcmInPtr);
-        fclose(pContext->pBundledContext->PcmOutPtr);
+        if (pContext->pBundledContext->PcmInPtr != NULL) {
+            fclose(pContext->pBundledContext->PcmInPtr);
+            pContext->pBundledContext->PcmInPtr = NULL;
+        }
+        if (pContext->pBundledContext->PcmOutPtr != NULL) {
+            fclose(pContext->pBundledContext->PcmOutPtr);
+            pContext->pBundledContext->PcmOutPtr = NULL;
+        }
         #endif
 
         LvmSessionsActive--;
@@ -551,9 +564,6 @@
     params.SpeakerType            = LVM_HEADPHONES;
 
     pContext->pBundledContext->SampleRate = LVM_FS_44100;
-    pContext->pBundledContext->SamplesToExitCountEq   = 44100*2*2; // 2 secs Stereo
-    pContext->pBundledContext->SamplesToExitCountBb   = 44100*2*2; // 2 secs Stereo
-    pContext->pBundledContext->SamplesToExitCountVirt = 44100*2*2; // 2 secs Stereo
 
     /* Concert Sound parameters */
     params.VirtualizerOperatingMode   = LVM_MODE_OFF;
@@ -2417,7 +2427,7 @@
         if(pContext->pBundledContext->SamplesToExitCountBb > 0){
             status2Sec = -ENODATA;
             pContext->pBundledContext->SamplesToExitCountBb -= outBuffer->frameCount * 2; // STEREO
-            //LOGV("\tEffect_process: Waiting for 2 secs to turn off BASS_BOOST, %d samples left",
+            //LOGV("\tEffect_process: Waiting to turn off BASS_BOOST, %d samples left",
             //    pContext->pBundledContext->SamplesToExitCountBb);
         } else {
         status = -ENODATA;
@@ -2883,11 +2893,11 @@
             pContext->pBundledContext->NumberEffectsEnabled++;
             android::LvmEffect_enable(pContext);
             pContext->pBundledContext->SamplesToExitCountEq =
-                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*1); // 0.1 secs Stereo
+                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1); // 0.1 secs Stereo
             pContext->pBundledContext->SamplesToExitCountBb =
-                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*6); // 2 secs Stereo
+                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1); // 0.1 secs Stereo
             pContext->pBundledContext->SamplesToExitCountVirt =
-                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*1); // 2 secs Stereo
+                 (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1); // 0.1 secs Stereo
             LOGV("\tEffect_command cmdCode Case: EFFECT_CMD_ENABLE Samples to Exit = %d",
                 pContext->pBundledContext->SamplesToExitCountBb);
             //LOGV("\tEffect_command cmdCode Case: EFFECT_CMD_ENABLE NumberEffectsEnabled = %d",
diff --git a/media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp b/media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp
index 10c3e92..60f4288 100755
--- a/media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp
+++ b/media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp
@@ -152,6 +152,7 @@
     bool                            preset;
     uint16_t                        curPreset;
     uint16_t                        nextPreset;
+    int                             SamplesToExitCount;
 };
 
 #define REVERB_DEFAULT_PRESET REVERB_PRESET_MEDIUMROOM
@@ -212,6 +213,7 @@
         desc = gDescriptors[i];
         if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t))
                 == 0) {
+            LOGV("\tEffectCreate - UUID matched Reverb type %d, UUID = %x", i, desc->uuid.timeLow);
             break;
         }
     }
@@ -228,6 +230,9 @@
     pContext->auxiliary = false;
     if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY){
         pContext->auxiliary = true;
+        LOGV("\tEffectCreate - AUX");
+    }else{
+        LOGV("\tEffectCreate - INS");
     }
 
     pContext->preset = false;
@@ -236,6 +241,9 @@
         // force reloading preset at first call to process()
         pContext->curPreset = REVERB_PRESET_LAST + 1;
         pContext->nextPreset = REVERB_DEFAULT_PRESET;
+        LOGV("\tEffectCreate - PRESET");
+    }else{
+        LOGV("\tEffectCreate - ENVIRONMENTAL");
     }
 
     LOGV("\tEffectCreate - Calling Reverb_init");
@@ -389,22 +397,19 @@
              int           frameCount,
              ReverbContext *pContext){
 
-    LVM_INT16               samplesPerFrame = 0;
+    LVM_INT16               samplesPerFrame = 1;
     LVREV_ReturnStatus_en   LvmStatus = LVREV_SUCCESS;              /* Function call status */
     LVM_INT16 *OutFrames16;
 
 
     // Check that the input is either mono or stereo
-    if(pContext->config.inputCfg.channels == CHANNEL_STEREO){
+    if (pContext->config.inputCfg.channels == CHANNEL_STEREO) {
         samplesPerFrame = 2;
-    } else if (pContext->config.inputCfg.channels == CHANNEL_MONO){
-        samplesPerFrame = 1;
-    } else {
+    } else if (pContext->config.inputCfg.channels != CHANNEL_MONO) {
         LOGV("\tLVREV_ERROR : process invalid PCM format");
         return -EINVAL;
     }
 
-
     OutFrames16 = (LVM_INT16 *)pContext->OutFrames32;
 
     // Check for NULL pointers
@@ -426,54 +431,49 @@
         pContext->InFrames32[i] = (LVM_INT32)pIn[i]<<8;
     }
 
-     // If the input was MONO, convert to STEREO
-    if(pContext->config.inputCfg.channels == CHANNEL_MONO){
-        //LOGV("\tConverting Output from MONO to STEREO");
-        MonoTo2I_32(pContext->InFrames32, pContext->InFrames32, frameCount);
-    }
-
-    //LOGV("\tProcess, frames: %d, InFormat: %d(MONO=%d), OutFormat: %d(STEREO=%d)",
-    //frameCount, pContext->config.inputCfg.channels, CHANNEL_MONO,
-    //pContext->config.outputCfg.channels, CHANNEL_STEREO);
-
     if (pContext->preset && pContext->curPreset == REVERB_PRESET_NONE) {
-        memset(pContext->OutFrames32, 0, frameCount * sizeof(LVM_INT32) * 2);
+        memset(pContext->OutFrames32, 0, frameCount * sizeof(LVM_INT32) * 2); //always stereo here
     } else {
-    /* Process the samples */
-    LvmStatus = LVREV_Process(pContext->hInstance,      /* Instance handle */
-                              pContext->InFrames32,     /* Input buffer */
-                              pContext->OutFrames32,    /* Output buffer */
-                              frameCount);              /* Number of samples to read */
-    }
-
-    if (!pContext->auxiliary) {
-        for (int i=0; i<frameCount*2; i++){
-            pContext->OutFrames32[i] += pContext->InFrames32[i];
+        if(pContext->bEnabled == LVM_FALSE && pContext->SamplesToExitCount > 0) {
+            memset(pContext->InFrames32,0,frameCount * sizeof(LVM_INT32) * samplesPerFrame);
+            LOGV("\tZeroing %d samples per frame at the end of call", samplesPerFrame);
         }
+
+        /* Process the samples, producing a stereo output */
+        LvmStatus = LVREV_Process(pContext->hInstance,      /* Instance handle */
+                                  pContext->InFrames32,     /* Input buffer */
+                                  pContext->OutFrames32,    /* Output buffer */
+                                  frameCount);              /* Number of samples to read */
     }
 
     LVM_ERROR_CHECK(LvmStatus, "LVREV_Process", "process")
     if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
 
     // Convert to 16 bits
-    for(int i=0; i<frameCount*2; i++){  // Always stereo
-        OutFrames16[i] = clamp16(pContext->OutFrames32[i]>>8);
+    if (pContext->auxiliary) {
+        for (int i=0; i < frameCount*2; i++) { //always stereo here
+            OutFrames16[i] = clamp16(pContext->OutFrames32[i]>>8);
+        }
+    } else {
+        for (int i=0; i < frameCount*2; i++) { //always stereo here
+            OutFrames16[i] = clamp16((pContext->OutFrames32[i]>>8) + (LVM_INT32)pIn[i]);
+        }
     }
 
     #ifdef LVM_PCM
-    fwrite(OutFrames16, frameCount*sizeof(LVM_INT16)*samplesPerFrame, 1, pContext->PcmOutPtr);
+    fwrite(OutFrames16, frameCount*sizeof(LVM_INT16)*2, 1, pContext->PcmOutPtr);
     fflush(pContext->PcmOutPtr);
     #endif
 
     // Accumulate if required
     if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
         //LOGV("\tBuffer access is ACCUMULATE");
-        for (int i=0; i<frameCount*2; i++){
+        for (int i=0; i<frameCount*2; i++){ //always stereo here
             pOut[i] = clamp16((int32_t)pOut[i] + (int32_t)OutFrames16[i]);
         }
     }else{
         //LOGV("\tBuffer access is WRITE");
-        memcpy(pOut, OutFrames16, frameCount*sizeof(LVM_INT16)*2); // 2 is for stereo output
+        memcpy(pOut, OutFrames16, frameCount*sizeof(LVM_INT16)*2);
     }
 
     return 0;
@@ -560,6 +560,7 @@
     //LOGV("\tReverb_configure calling memcpy");
     memcpy(&pContext->config, pConfig, sizeof(effect_config_t));
 
+
     switch (pConfig->inputCfg.samplingRate) {
     case 8000:
         SampleRate = LVM_FS_8000;
@@ -665,7 +666,7 @@
 
     /* Set the capabilities */
     InstParams.MaxBlockSize  = MAX_CALL_SIZE;
-    InstParams.SourceFormat  = LVM_STEREO;
+    InstParams.SourceFormat  = LVM_STEREO;          // Max format, could be mono during process
     InstParams.NumDelays     = LVREV_DELAYLINES_4;
 
     /* Allocate memory, forcing alignment */
@@ -730,7 +731,12 @@
     /* General parameters */
     params.OperatingMode  = LVM_MODE_ON;
     params.SampleRate     = LVM_FS_44100;
-    params.SourceFormat   = LVM_STEREO;
+
+    if(pContext->config.inputCfg.channels == CHANNEL_MONO){
+        params.SourceFormat   = LVM_MONO;
+    } else {
+        params.SourceFormat   = LVM_STEREO;
+    }
 
     /* Reverb parameters */
     params.Level          = 0;
@@ -741,6 +747,8 @@
     params.Damping        = 21;
     params.RoomSize       = 100;
 
+    pContext->SamplesToExitCount = (params.T60 * pContext->config.inputCfg.samplingRate)/1000;
+
     /* Saved strength is used to return the exact strength that was used in the set to the get
      * because we map the original strength range of 0:1000 to 1:15, and this will avoid
      * quantisation like effect when returning
@@ -1082,7 +1090,8 @@
 
     //LOGV("\tReverbGetRoomLevel, Level = %d, pContext->SavedRoomLevel = %d, "
     //     "pContext->SavedReverbLevel = %d, CombinedLevel = %d, level = %d",
-    //ActiveParams.Level, pContext->SavedRoomLevel, pContext->SavedReverbLevel, CombinedLevel, level);
+    //     ActiveParams.Level, pContext->SavedRoomLevel,
+    //     pContext->SavedReverbLevel, CombinedLevel, level);
 
     if(ActiveParams.Level != level){
         LOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomLevel() has wrong level -> %d %d\n",
@@ -1118,7 +1127,7 @@
     //LOGV("\tReverbSetDecayTime() just Got -> %d\n", ActiveParams.T60);
 
     if (time <= LVREV_MAX_T60) {
-        ActiveParams.T60 = time;
+        ActiveParams.T60 = (LVM_UINT16)time;
     }
     else {
         ActiveParams.T60 = LVREV_MAX_T60;
@@ -1129,7 +1138,9 @@
     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayTime")
     //LOGV("\tReverbSetDecayTime() just Set -> %d\n", ActiveParams.T60);
 
-    pContext->SavedDecayTime = time;
+    pContext->SamplesToExitCount = (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
+    //LOGV("\tReverbSetDecayTime() just Set SamplesToExitCount-> %d\n",pContext->SamplesToExitCount);
+    pContext->SavedDecayTime = (int16_t)time;
     //LOGV("\tReverbSetDecayTime end");
     return;
 }
@@ -1145,7 +1156,7 @@
 //
 //----------------------------------------------------------------------------
 
-int32_t ReverbGetDecayTime(ReverbContext *pContext){
+uint32_t ReverbGetDecayTime(ReverbContext *pContext){
     //LOGV("\tReverbGetDecayTime start");
 
     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
@@ -1164,7 +1175,7 @@
     }
 
     //LOGV("\tReverbGetDecayTime end");
-    return ActiveParams.T60;
+    return (uint32_t)ActiveParams.T60;
 }
 
 //----------------------------------------------------------------------------
@@ -1589,7 +1600,7 @@
             //        *(int16_t *)pValue);
             break;
         case REVERB_PARAM_DECAY_TIME:
-            *(int32_t *)pValue = ReverbGetDecayTime(pContext);
+            *(uint32_t *)pValue = ReverbGetDecayTime(pContext);
 
             //LOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_TIME Value is %d",
             //        *(int32_t *)pValue);
@@ -1654,6 +1665,7 @@
 int Reverb_setParameter (ReverbContext *pContext, void *pParam, void *pValue){
     int status = 0;
     int16_t level;
+    int16_t ratio;
     uint32_t time;
     t_reverb_settings *pProperties;
     int32_t *pParamTemp = (int32_t *)pParam;
@@ -1671,6 +1683,7 @@
             return -EINVAL;
         }
         pContext->nextPreset = preset;
+        return 0;
     }
 
     switch (param){
@@ -1707,10 +1720,10 @@
             //LOGV("\tReverb_setParameter() Called ReverbSetDecayTime");
            break;
         case REVERB_PARAM_DECAY_HF_RATIO:
-            time = *(int16_t *)pValue;
-            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_HF_RATIO value is %d", time);
+            ratio = *(int16_t *)pValue;
+            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_HF_RATIO value is %d", ratio);
             //LOGV("\tReverb_setParameter() Calling ReverbSetDecayHfRatio");
-            ReverbSetDecayHfRatio(pContext, time);
+            ReverbSetDecayHfRatio(pContext, ratio);
             //LOGV("\tReverb_setParameter() Called ReverbSetDecayHfRatio");
             break;
          case REVERB_PARAM_REVERB_LEVEL:
@@ -1721,17 +1734,17 @@
             //LOGV("\tReverb_setParameter() Called ReverbSetReverbLevel");
            break;
         case REVERB_PARAM_DIFFUSION:
-            time = *(int16_t *)pValue;
-            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DIFFUSION value is %d", time);
+            ratio = *(int16_t *)pValue;
+            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DIFFUSION value is %d", ratio);
             //LOGV("\tReverb_setParameter() Calling ReverbSetDiffusion");
-            ReverbSetDiffusion(pContext, time);
+            ReverbSetDiffusion(pContext, ratio);
             //LOGV("\tReverb_setParameter() Called ReverbSetDiffusion");
             break;
         case REVERB_PARAM_DENSITY:
-            time = *(int16_t *)pValue;
-            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DENSITY value is %d", time);
+            ratio = *(int16_t *)pValue;
+            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DENSITY value is %d", ratio);
             //LOGV("\tReverb_setParameter() Calling ReverbSetDensity");
-            ReverbSetDensity(pContext, time);
+            ReverbSetDensity(pContext, ratio);
             //LOGV("\tReverb_setParameter() Called ReverbSetDensity");
             break;
            break;
@@ -1769,8 +1782,13 @@
         return -EINVAL;
     }
     if (pContext->bEnabled == LVM_FALSE){
-        LOGV("\tReverb_process() ERROR Effect is not enabled");
-        return -ENODATA;
+        if( pContext->SamplesToExitCount > 0){
+            pContext->SamplesToExitCount -= outBuffer->frameCount;
+            LOGV("\tReverb_process() Effect is being stopped %d", pContext->SamplesToExitCount);
+        }else{
+            LOGV("\tReverb_process() Effect is being stopped");
+            return -ENODATA;
+        }
     }
     //LOGV("\tReverb_process() Calling process with %d frames", outBuffer->frameCount);
     /* Process all the available frames, block processing is handled internalLY by the LVM bundle */
@@ -1791,6 +1809,9 @@
                               void                *pReplyData){
     android::ReverbContext * pContext = (android::ReverbContext *) self;
     int retsize;
+    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
+    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
+
 
     if (pContext == NULL){
         LOGV("\tLVM_ERROR : Reverb_command ERROR pContext == NULL");
@@ -1917,6 +1938,12 @@
              }
             *(int *)pReplyData = 0;
             pContext->bEnabled = LVM_TRUE;
+            /* Get the current settings */
+            LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
+            LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "EFFECT_CMD_ENABLE")
+            pContext->SamplesToExitCount =
+                    (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
+            //LOGV("\tEFFECT_CMD_ENABLE SamplesToExitCount = %d", pContext->SamplesToExitCount);
             break;
         case EFFECT_CMD_DISABLE:
             //LOGV("\tReverb_command cmdCode Case: "
@@ -1939,8 +1966,8 @@
         case EFFECT_CMD_SET_DEVICE:
         case EFFECT_CMD_SET_VOLUME:
         case EFFECT_CMD_SET_AUDIO_MODE:
-            //LOGV("\tReverb_command cmdCode Case: "
-            //        "EFFECT_CMD_SET_DEVICE/EFFECT_CMD_SET_VOLUME/EFFECT_CMD_SET_AUDIO_MODE start");
+        //LOGV("\tReverb_command cmdCode Case: "
+        //        "EFFECT_CMD_SET_DEVICE/EFFECT_CMD_SET_VOLUME/EFFECT_CMD_SET_AUDIO_MODE start");
             break;
 
         default:
diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index f3804b8..40801a2 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -21,7 +21,9 @@
     SET_PARAMETER,
     GET_CONFIG,
     SET_CONFIG,
+    ENABLE_GRAPHIC_BUFFERS,
     USE_BUFFER,
+    USE_GRAPHIC_BUFFER,
     ALLOC_BUFFER,
     ALLOC_BUFFER_WITH_BACKUP,
     FREE_BUFFER,
@@ -216,6 +218,19 @@
         return reply.readInt32();
     }
 
+    virtual status_t enableGraphicBuffers(
+            node_id node, OMX_U32 port_index, OMX_BOOL enable) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeIntPtr((intptr_t)node);
+        data.writeInt32(port_index);
+        data.writeInt32((uint32_t)enable);
+        remote()->transact(ENABLE_GRAPHIC_BUFFERS, data, &reply);
+
+        status_t err = reply.readInt32();
+        return err;
+    }
+
     virtual status_t useBuffer(
             node_id node, OMX_U32 port_index, const sp<IMemory> &params,
             buffer_id *buffer) {
@@ -238,6 +253,29 @@
         return err;
     }
 
+
+    virtual status_t useGraphicBuffer(
+            node_id node, OMX_U32 port_index,
+            const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeIntPtr((intptr_t)node);
+        data.writeInt32(port_index);
+        data.write(*graphicBuffer);
+        remote()->transact(USE_GRAPHIC_BUFFER, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            *buffer = 0;
+
+            return err;
+        }
+
+        *buffer = (void*)reply.readIntPtr();
+
+        return err;
+    }
+
     virtual status_t allocateBuffer(
             node_id node, OMX_U32 port_index, size_t size,
             buffer_id *buffer, void **buffer_data) {
@@ -541,6 +579,20 @@
             return NO_ERROR;
         }
 
+        case ENABLE_GRAPHIC_BUFFERS:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = (void*)data.readIntPtr();
+            OMX_U32 port_index = data.readInt32();
+            OMX_BOOL enable = (OMX_BOOL)data.readInt32();
+
+            status_t err = enableGraphicBuffers(node, port_index, enable);
+            reply->writeInt32(err);
+
+            return NO_ERROR;
+        }
+
         case USE_BUFFER:
         {
             CHECK_INTERFACE(IOMX, data, reply);
@@ -561,6 +613,27 @@
             return NO_ERROR;
         }
 
+        case USE_GRAPHIC_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = (void*)data.readIntPtr();
+            OMX_U32 port_index = data.readInt32();
+            sp<GraphicBuffer> graphicBuffer = new GraphicBuffer();
+            data.read(*graphicBuffer);
+
+            buffer_id buffer;
+            status_t err = useGraphicBuffer(
+                    node, port_index, graphicBuffer, &buffer);
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                reply->writeIntPtr((intptr_t)buffer);
+            }
+
+            return NO_ERROR;
+        }
+
         case ALLOC_BUFFER:
         {
             CHECK_INTERFACE(IOMX, data, reply);
diff --git a/media/libstagefright/AudioSource.cpp b/media/libstagefright/AudioSource.cpp
index 4c729e4..8d7ada3 100644
--- a/media/libstagefright/AudioSource.cpp
+++ b/media/libstagefright/AudioSource.cpp
@@ -72,6 +72,10 @@
         return UNKNOWN_ERROR;
     }
 
+    if (mInitCheck != OK) {
+        return NO_INIT;
+    }
+
     char value[PROPERTY_VALUE_MAX];
     if (property_get("media.stagefright.record-stats", value, NULL)
         && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
@@ -80,6 +84,7 @@
 
     mTrackMaxAmplitude = false;
     mMaxAmplitude = 0;
+    mInitialReadTimeUs = 0;
     mStartTimeUs = 0;
     int64_t startTimeUs;
     if (params && params->findInt64(kKeyTime, &startTimeUs)) {
@@ -102,6 +107,10 @@
         return UNKNOWN_ERROR;
     }
 
+    if (mInitCheck != OK) {
+        return NO_INIT;
+    }
+
     mRecord->stop();
 
     delete mGroup;
@@ -118,6 +127,10 @@
 }
 
 sp<MetaData> AudioSource::getFormat() {
+    if (mInitCheck != OK) {
+        return 0;
+    }
+
     sp<MetaData> meta = new MetaData;
     meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
     meta->setInt32(kKeySampleRate, mRecord->getSampleRate());
@@ -193,6 +206,12 @@
 
 status_t AudioSource::read(
         MediaBuffer **out, const ReadOptions *options) {
+
+    if (mInitCheck != OK) {
+        return NO_INIT;
+    }
+
+    int64_t readTimeUs = systemTime() / 1000;
     *out = NULL;
 
     MediaBuffer *buffer;
@@ -206,9 +225,10 @@
 
 
         if (numFramesRecorded == 0 && mPrevSampleTimeUs == 0) {
+            mInitialReadTimeUs = readTimeUs;
             // Initial delay
             if (mStartTimeUs > 0) {
-                mStartTimeUs = systemTime() / 1000 - mStartTimeUs;
+                mStartTimeUs = readTimeUs - mStartTimeUs;
             } else {
                 // Assume latency is constant.
                 mStartTimeUs += mRecord->latency() * 1000;
@@ -254,7 +274,10 @@
             }
             memset(buffer->data(), 0, numLostBytes);
             buffer->set_range(0, numLostBytes);
-            buffer->meta_data()->setInt64(kKeyTime, mPrevSampleTimeUs);
+            if (numFramesRecorded == 0) {
+                buffer->meta_data()->setInt64(kKeyTime, mStartTimeUs);
+            }
+            buffer->meta_data()->setInt64(kKeyDriftTime, readTimeUs - mInitialReadTimeUs);
             mPrevSampleTimeUs = timestampUs;
             *out = buffer;
             return OK;
@@ -292,12 +315,13 @@
             trackMaxAmplitude((int16_t *) buffer->data(), n >> 1);
         }
 
-        buffer->meta_data()->setInt64(kKeyTime, mPrevSampleTimeUs);
-        CHECK(timestampUs > mPrevSampleTimeUs);
-        if (mTotalLostFrames == 0) {
-            CHECK_EQ(mPrevSampleTimeUs,
-                mStartTimeUs + (1000000LL * numFramesRecorded) / sampleRate);
+        if (numFramesRecorded == 0) {
+            buffer->meta_data()->setInt64(kKeyAnchorTime, mStartTimeUs);
         }
+
+        buffer->meta_data()->setInt64(kKeyTime, mStartTimeUs + mPrevSampleTimeUs);
+        buffer->meta_data()->setInt64(kKeyDriftTime, readTimeUs - mInitialReadTimeUs);
+        CHECK(timestampUs > mPrevSampleTimeUs);
         mPrevSampleTimeUs = timestampUs;
         LOGV("initial delay: %lld, sample rate: %d, timestamp: %lld",
                 mStartTimeUs, sampleRate, timestampUs);
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index 085e92d..fd5f30b 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -50,6 +50,9 @@
 
 namespace android {
 
+static int64_t kLowWaterMarkUs = 2000000ll;  // 2secs
+static int64_t kHighWaterMarkUs = 10000000ll;  // 10secs
+
 struct AwesomeEvent : public TimedEventQueue::Event {
     AwesomeEvent(
             AwesomePlayer *player,
@@ -274,9 +277,13 @@
 status_t AwesomePlayer::setDataSource(
         int fd, int64_t offset, int64_t length) {
 #if 0
+    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/sl.m3u8");
+    return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/0440.m3u8");
+    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/0640.m3u8");
+    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/1240_vod.m3u8");
     // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/nasatv/nasatv_96.m3u8");
     // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/nasatv/nasatv_1500.m3u8");
-    return setDataSource("httplive://iphone.video.hsn.com/iPhone_high.m3u8");
+    // return setDataSource("httplive://iphone.video.hsn.com/iPhone_high.m3u8");
     // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/iphonewebcast/webcast090209_all/webcast090209_all.m3u8");
     // return setDataSource("httplive://qthttp.akamai.com.edgesuite.net/iphone_demo/Video_Content/usat/tt_062209_iphone/hi/prog_index.m3u8");
     // return setDataSource("httplive://qthttp.akamai.com.edgesuite.net/iphone_demo/Video_Content/usat/tt_googmaps/hi/prog_index.m3u8");
@@ -326,6 +333,13 @@
         } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
             setAudioSource(extractor->getTrack(i));
             haveAudio = true;
+
+            sp<MetaData> fileMeta = extractor->getMetaData();
+            int32_t loop;
+            if (fileMeta != NULL
+                    && fileMeta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
+                mFlags |= AUTO_LOOPING;
+            }
         }
 
         if (haveAudio && haveVideo) {
@@ -449,6 +463,25 @@
     }
 }
 
+// Returns true iff cached duration is available/applicable.
+bool AwesomePlayer::getCachedDuration_l(int64_t *durationUs, bool *eos) {
+    off_t totalSize;
+
+    if (mRTSPController != NULL) {
+        *durationUs = mRTSPController->getQueueDurationUs(eos);
+        return true;
+    } else if (mCachedSource != NULL && mDurationUs >= 0
+            && mCachedSource->getSize(&totalSize) == OK) {
+        int64_t bitrate = totalSize * 8000000ll / mDurationUs;  // in bits/sec
+
+        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(eos);
+        *durationUs = cachedDataRemaining * 8000000ll / bitrate;
+        return true;
+    }
+
+    return false;
+}
+
 void AwesomePlayer::onBufferingUpdate() {
     Mutex::Autolock autoLock(mLock);
     if (!mBufferingEventPending) {
@@ -456,49 +489,80 @@
     }
     mBufferingEventPending = false;
 
-    if (mCachedSource == NULL) {
-        return;
-    }
+    if (mCachedSource != NULL) {
+        bool eos;
+        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
 
-    bool eos;
-    size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
+        if (eos) {
+            notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
+        } else {
+            off_t size;
+            if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
+                int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
 
-    size_t lowWatermark = 400000;
-    size_t highWatermark = 1000000;
+                size_t cachedSize = mCachedSource->cachedSize();
+                int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
 
-    if (eos) {
-        notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
-    } else {
-        off_t size;
-        if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
-            int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
+                int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
+                if (percentage > 100) {
+                    percentage = 100;
+                }
 
-            size_t cachedSize = mCachedSource->cachedSize();
-            int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
+                notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
+            } else {
+                // We don't know the bitrate of the stream, use absolute size
+                // limits to maintain the cache.
 
-            int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
-            if (percentage > 100) {
-                percentage = 100;
+                const size_t kLowWaterMarkBytes = 400000;
+                const size_t kHighWaterMarkBytes = 1000000;
+
+                if ((mFlags & PLAYING) && !eos
+                        && (cachedDataRemaining < kLowWaterMarkBytes)) {
+                    LOGI("cache is running low (< %d) , pausing.",
+                         kLowWaterMarkBytes);
+                    mFlags |= CACHE_UNDERRUN;
+                    pause_l();
+                    notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
+                } else if (eos || cachedDataRemaining > kHighWaterMarkBytes) {
+                    if (mFlags & CACHE_UNDERRUN) {
+                        LOGI("cache has filled up (> %d), resuming.",
+                             kHighWaterMarkBytes);
+                        mFlags &= ~CACHE_UNDERRUN;
+                        play_l();
+                        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
+                    } else if (mFlags & PREPARING) {
+                        LOGV("cache has filled up (> %d), prepare is done",
+                             kHighWaterMarkBytes);
+                        finishAsyncPrepare_l();
+                    }
+                }
             }
-
-            notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
-
-            lowWatermark = 2 * bitrate / 8;  // 2 secs
-            highWatermark = 10 * bitrate / 8;  // 10 secs
         }
     }
 
-    if ((mFlags & PLAYING) && !eos && (cachedDataRemaining < lowWatermark)) {
-        LOGI("cache is running low (< %d) , pausing.", lowWatermark);
-        mFlags |= CACHE_UNDERRUN;
-        pause_l();
-        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
-    } else if ((mFlags & CACHE_UNDERRUN)
-            && (eos || cachedDataRemaining > highWatermark)) {
-        LOGI("cache has filled up (> %d), resuming.", highWatermark);
-        mFlags &= ~CACHE_UNDERRUN;
-        play_l();
-        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
+    int64_t cachedDurationUs;
+    bool eos;
+    if (getCachedDuration_l(&cachedDurationUs, &eos)) {
+        if ((mFlags & PLAYING) && !eos
+                && (cachedDurationUs < kLowWaterMarkUs)) {
+            LOGI("cache is running low (%.2f secs) , pausing.",
+                 cachedDurationUs / 1E6);
+            mFlags |= CACHE_UNDERRUN;
+            pause_l();
+            notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
+        } else if (eos || cachedDurationUs > kHighWaterMarkUs) {
+            if (mFlags & CACHE_UNDERRUN) {
+                LOGI("cache has filled up (%.2f secs), resuming.",
+                     cachedDurationUs / 1E6);
+                mFlags &= ~CACHE_UNDERRUN;
+                play_l();
+                notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
+            } else if (mFlags & PREPARING) {
+                LOGV("cache has filled up (%.2f secs), prepare is done",
+                     cachedDurationUs / 1E6);
+                finishAsyncPrepare_l();
+            }
+        }
     }
 
     postBufferingEvent_l();
@@ -533,7 +597,7 @@
         return;
     }
 
-    if (mFlags & LOOPING) {
+    if (mFlags & (LOOPING | AUTO_LOOPING)) {
         seekTo_l(0);
 
         if (mVideoSource != NULL) {
@@ -1428,45 +1492,49 @@
 }
 
 void AwesomePlayer::onPrepareAsyncEvent() {
-    {
-        Mutex::Autolock autoLock(mLock);
+    Mutex::Autolock autoLock(mLock);
 
-        if (mFlags & PREPARE_CANCELLED) {
-            LOGI("prepare was cancelled before doing anything");
-            abortPrepare(UNKNOWN_ERROR);
+    if (mFlags & PREPARE_CANCELLED) {
+        LOGI("prepare was cancelled before doing anything");
+        abortPrepare(UNKNOWN_ERROR);
+        return;
+    }
+
+    if (mUri.size() > 0) {
+        status_t err = finishSetDataSource_l();
+
+        if (err != OK) {
+            abortPrepare(err);
             return;
         }
-
-        if (mUri.size() > 0) {
-            status_t err = finishSetDataSource_l();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
-
-        if (mVideoTrack != NULL && mVideoSource == NULL) {
-            status_t err = initVideoDecoder();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
-
-        if (mAudioTrack != NULL && mAudioSource == NULL) {
-            status_t err = initAudioDecoder();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
     }
 
-    Mutex::Autolock autoLock(mLock);
+    if (mVideoTrack != NULL && mVideoSource == NULL) {
+        status_t err = initVideoDecoder();
 
+        if (err != OK) {
+            abortPrepare(err);
+            return;
+        }
+    }
+
+    if (mAudioTrack != NULL && mAudioSource == NULL) {
+        status_t err = initAudioDecoder();
+
+        if (err != OK) {
+            abortPrepare(err);
+            return;
+        }
+    }
+
+    if (mCachedSource != NULL || mRTSPController != NULL) {
+        postBufferingEvent_l();
+    } else {
+        finishAsyncPrepare_l();
+    }
+}
+
+void AwesomePlayer::finishAsyncPrepare_l() {
     if (mIsAsyncPrepare) {
         if (mVideoSource == NULL) {
             notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
@@ -1482,8 +1550,6 @@
     mFlags |= PREPARED;
     mAsyncPrepareEvent = NULL;
     mPreparedCondition.broadcast();
-
-    postBufferingEvent_l();
 }
 
 status_t AwesomePlayer::suspend() {
@@ -1523,7 +1589,7 @@
     state->mUriHeaders = mUriHeaders;
     state->mFileSource = mFileSource;
 
-    state->mFlags = mFlags & (PLAYING | LOOPING | AT_EOS);
+    state->mFlags = mFlags & (PLAYING | AUTO_LOOPING | LOOPING | AT_EOS);
     getPosition(&state->mPositionUs);
 
     if (mLastVideoBuffer) {
@@ -1584,7 +1650,7 @@
 
     seekTo_l(state->mPositionUs);
 
-    mFlags = state->mFlags & (LOOPING | AT_EOS);
+    mFlags = state->mFlags & (AUTO_LOOPING | LOOPING | AT_EOS);
 
     if (state->mLastVideoFrame && (mSurface != NULL || mISurface != NULL)) {
         mVideoRenderer =
diff --git a/media/libstagefright/MP3Extractor.cpp b/media/libstagefright/MP3Extractor.cpp
index 2e36968..82c0426 100644
--- a/media/libstagefright/MP3Extractor.cpp
+++ b/media/libstagefright/MP3Extractor.cpp
@@ -459,7 +459,8 @@
 
 MP3Extractor::MP3Extractor(
         const sp<DataSource> &source, const sp<AMessage> &meta)
-    : mDataSource(source),
+    : mInitCheck(NO_INIT),
+      mDataSource(source),
       mFirstFramePos(-1),
       mFixedHeader(0),
       mByteNumber(0) {
@@ -480,53 +481,54 @@
         success = true;
     } else {
         success = Resync(mDataSource, 0, &pos, &header);
-        CHECK(success);
     }
 
-    if (success) {
-        mFirstFramePos = pos;
-        mFixedHeader = header;
+    if (!success) {
+        // mInitCheck will remain NO_INIT
+        return;
+    }
 
-        size_t frame_size;
-        int sample_rate;
-        int num_channels;
-        int bitrate;
-        get_mp3_frame_size(
-                header, &frame_size, &sample_rate, &num_channels, &bitrate);
+    mFirstFramePos = pos;
+    mFixedHeader = header;
 
-        mMeta = new MetaData;
+    size_t frame_size;
+    int sample_rate;
+    int num_channels;
+    int bitrate;
+    get_mp3_frame_size(
+            header, &frame_size, &sample_rate, &num_channels, &bitrate);
 
-        mMeta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG);
-        mMeta->setInt32(kKeySampleRate, sample_rate);
-        mMeta->setInt32(kKeyBitRate, bitrate * 1000);
-        mMeta->setInt32(kKeyChannelCount, num_channels);
+    mMeta = new MetaData;
 
-        int64_t duration;
-        parse_xing_header(
-                mDataSource, mFirstFramePos, NULL, &mByteNumber,
-                mTableOfContents, NULL, &duration);
-        if (duration > 0) {
-            mMeta->setInt64(kKeyDuration, duration);
-        } else {
-            off_t fileSize;
-            if (mDataSource->getSize(&fileSize) == OK) {
-                mMeta->setInt64(
-                        kKeyDuration,
-                        8000LL * (fileSize - mFirstFramePos) / bitrate);
-            }
+    mMeta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG);
+    mMeta->setInt32(kKeySampleRate, sample_rate);
+    mMeta->setInt32(kKeyBitRate, bitrate * 1000);
+    mMeta->setInt32(kKeyChannelCount, num_channels);
+
+    int64_t duration;
+    parse_xing_header(
+            mDataSource, mFirstFramePos, NULL, &mByteNumber,
+            mTableOfContents, NULL, &duration);
+    if (duration > 0) {
+        mMeta->setInt64(kKeyDuration, duration);
+    } else {
+        off_t fileSize;
+        if (mDataSource->getSize(&fileSize) == OK) {
+            mMeta->setInt64(
+                    kKeyDuration,
+                    8000LL * (fileSize - mFirstFramePos) / bitrate);
         }
     }
-}
 
-MP3Extractor::~MP3Extractor() {
+    mInitCheck = OK;
 }
 
 size_t MP3Extractor::countTracks() {
-    return (mFirstFramePos < 0) ? 0 : 1;
+    return mInitCheck != OK ? 0 : 1;
 }
 
 sp<MediaSource> MP3Extractor::getTrack(size_t index) {
-    if (mFirstFramePos < 0 || index != 0) {
+    if (mInitCheck != OK || index != 0) {
         return NULL;
     }
 
@@ -536,7 +538,7 @@
 }
 
 sp<MetaData> MP3Extractor::getTrackMetaData(size_t index, uint32_t flags) {
-    if (mFirstFramePos < 0 || index != 0) {
+    if (mInitCheck != OK || index != 0) {
         return NULL;
     }
 
@@ -713,7 +715,7 @@
 sp<MetaData> MP3Extractor::getMetaData() {
     sp<MetaData> meta = new MetaData;
 
-    if (mFirstFramePos < 0) {
+    if (mInitCheck != OK) {
         return meta;
     }
 
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index ba90407..4bbc251 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -872,7 +872,11 @@
             }
 
             size_t max_size;
-            CHECK_EQ(mLastTrack->sampleTable->getMaxSampleSize(&max_size), OK);
+            err = mLastTrack->sampleTable->getMaxSampleSize(&max_size);
+
+            if (err != OK) {
+                return err;
+            }
 
             // Assume that a given buffer only contains at most 10 fragments,
             // each fragment originally prefixed with a 2 byte length will
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index a15b84e..de4233d 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -32,12 +32,12 @@
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/Utils.h>
 #include <media/mediarecorder.h>
-#include <cutils/properties.h>
 
 #include "include/ESDS.h"
 
 namespace android {
 
+static const int64_t kMax32BitFileSize = 0x007fffffffLL;
 static const uint8_t kNalUnitTypeSeqParamSet = 0x07;
 static const uint8_t kNalUnitTypePicParamSet = 0x08;
 
@@ -59,7 +59,7 @@
     bool isAvc() const { return mIsAvc; }
     bool isAudio() const { return mIsAudio; }
     bool isMPEG4() const { return mIsMPEG4; }
-    void addChunkOffset(off_t offset) { mChunkOffsets.push_back(offset); }
+    void addChunkOffset(off_t offset);
     status_t dump(int fd, const Vector<String16>& args) const;
 
 private:
@@ -79,7 +79,7 @@
     bool mIsRealTimeRecording;
     int64_t mMaxTimeStampUs;
     int64_t mEstimatedTrackSizeBytes;
-    int64_t mMaxWriteTimeUs;
+    int64_t mMdatSizeBytes;
     int32_t mTimeScale;
 
     pthread_t mThread;
@@ -92,8 +92,11 @@
     bool                mSamplesHaveSameSize;
 
     List<MediaBuffer *> mChunkSamples;
+
+    size_t              mNumStcoTableEntries;
     List<off_t>         mChunkOffsets;
 
+    size_t              mNumStscTableEntries;
     struct StscTableEntry {
 
         StscTableEntry(uint32_t chunk, uint32_t samples, uint32_t id)
@@ -107,9 +110,10 @@
     };
     List<StscTableEntry> mStscTableEntries;
 
+    size_t        mNumStssTableEntries;
     List<int32_t> mStssTableEntries;
-    List<int64_t> mChunkDurations;
 
+    size_t        mNumSttsTableEntries;
     struct SttsTableEntry {
 
         SttsTableEntry(uint32_t count, uint32_t durationUs)
@@ -161,12 +165,6 @@
     void trackProgressStatus(int64_t timeUs, status_t err = OK);
     void initTrackingProgressStatus(MetaData *params);
 
-    // Utilities for collecting statistical data
-    void logStatisticalData(bool isAudio);
-    void findMinAvgMaxSampleDurationMs(
-            int32_t *min, int32_t *avg, int32_t *max);
-    void findMinMaxChunkDurations(int64_t *min, int64_t *max);
-
     void getCodecSpecificDataFromInputFormatIfPossible();
 
     // Determine the track time scale
@@ -178,14 +176,18 @@
     // Simple validation on the codec specific data
     status_t checkCodecSpecificData() const;
 
+    void updateTrackSizeEstimate();
+    void addOneStscTableEntry(size_t chunkId, size_t sampleId);
+    void addOneStssTableEntry(size_t sampleId);
+    void addOneSttsTableEntry(size_t sampleCount, int64_t durationUs);
+
     Track(const Track &);
     Track &operator=(const Track &);
 };
 
-#define USE_NALLEN_FOUR         1
-
 MPEG4Writer::MPEG4Writer(const char *filename)
     : mFile(fopen(filename, "wb")),
+      mUse4ByteNalLength(true),
       mUse32BitOffset(true),
       mPaused(false),
       mStarted(false),
@@ -198,6 +200,7 @@
 
 MPEG4Writer::MPEG4Writer(int fd)
     : mFile(fdopen(fd, "wb")),
+      mUse4ByteNalLength(true),
       mUse32BitOffset(true),
       mPaused(false),
       mStarted(false),
@@ -211,9 +214,11 @@
 MPEG4Writer::~MPEG4Writer() {
     stop();
 
-    for (List<Track *>::iterator it = mTracks.begin();
-         it != mTracks.end(); ++it) {
+    while (!mTracks.empty()) {
+        List<Track *>::iterator it = mTracks.begin();
         delete *it;
+        (*it) = NULL;
+        mTracks.erase(it);
     }
     mTracks.clear();
 }
@@ -332,11 +337,27 @@
         mUse32BitOffset = false;
     }
 
-    // System property can overwrite the file offset bits parameter
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("media.stagefright.record-64bits", value, NULL)
-        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
-        mUse32BitOffset = false;
+    if (mUse32BitOffset) {
+        // Implicit 32 bit file size limit
+        if (mMaxFileSizeLimitBytes == 0) {
+            mMaxFileSizeLimitBytes = kMax32BitFileSize;
+        }
+
+        // If file size is set to be larger than the 32 bit file
+        // size limit, treat it as an error.
+        if (mMaxFileSizeLimitBytes > kMax32BitFileSize) {
+            LOGW("32-bi file size limit (%lld bytes) too big. "
+                 "It is changed to %lld bytes",
+                mMaxFileSizeLimitBytes, kMax32BitFileSize);
+            mMaxFileSizeLimitBytes = kMax32BitFileSize;
+        }
+    }
+
+    int32_t use2ByteNalLength;
+    if (param &&
+        param->findInt32(kKey2ByteNalLength, &use2ByteNalLength) &&
+        use2ByteNalLength) {
+        mUse4ByteNalLength = false;
     }
 
     mStartTimestampUs = -1;
@@ -413,6 +434,10 @@
     return OK;
 }
 
+bool MPEG4Writer::use32BitFileOffset() const {
+    return mUse32BitOffset;
+}
+
 status_t MPEG4Writer::pause() {
     if (mFile == NULL) {
         return OK;
@@ -607,32 +632,30 @@
 
     size_t length = buffer->range_length();
 
-#if USE_NALLEN_FOUR
-    uint8_t x = length >> 24;
-    fwrite(&x, 1, 1, mFile);
-    x = (length >> 16) & 0xff;
-    fwrite(&x, 1, 1, mFile);
-    x = (length >> 8) & 0xff;
-    fwrite(&x, 1, 1, mFile);
-    x = length & 0xff;
-    fwrite(&x, 1, 1, mFile);
-#else
-    CHECK(length < 65536);
+    if (mUse4ByteNalLength) {
+        uint8_t x = length >> 24;
+        fwrite(&x, 1, 1, mFile);
+        x = (length >> 16) & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        x = (length >> 8) & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        x = length & 0xff;
+        fwrite(&x, 1, 1, mFile);
 
-    uint8_t x = length >> 8;
-    fwrite(&x, 1, 1, mFile);
-    x = length & 0xff;
-    fwrite(&x, 1, 1, mFile);
-#endif
+        fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
+                1, length, mFile);
+        mOffset += length + 4;
+    } else {
+        CHECK(length < 65536);
 
-    fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
-           1, length, mFile);
-
-#if USE_NALLEN_FOUR
-    mOffset += length + 4;
-#else
-    mOffset += length + 2;
-#endif
+        uint8_t x = length >> 8;
+        fwrite(&x, 1, 1, mFile);
+        x = length & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
+                1, length, mFile);
+        mOffset += length + 2;
+    }
 
     return old_offset;
 }
@@ -739,7 +762,8 @@
          it != mTracks.end(); ++it) {
         nTotalBytesEstimate += (*it)->getEstimatedTrackSizeBytes();
     }
-    return (nTotalBytesEstimate >= mMaxFileSizeLimitBytes);
+
+    return (nTotalBytesEstimate  + 1024 >= mMaxFileSizeLimitBytes);
 }
 
 bool MPEG4Writer::exceedsFileDurationLimit() {
@@ -819,6 +843,48 @@
     setTimeScale();
 }
 
+void MPEG4Writer::Track::updateTrackSizeEstimate() {
+
+    int64_t stcoBoxSizeBytes = mOwner->use32BitFileOffset()
+                                ? mNumStcoTableEntries * 4
+                                : mNumStcoTableEntries * 8;
+
+    int64_t stszBoxSizeBytes = mSamplesHaveSameSize? 4: (mNumSamples * 4);
+
+    mEstimatedTrackSizeBytes = mMdatSizeBytes +             // media data size
+                               mNumStscTableEntries * 12 +  // stsc box size
+                               mNumStssTableEntries * 4 +   // stss box size
+                               mNumSttsTableEntries * 8 +   // stts box size
+                               stcoBoxSizeBytes +           // stco box size
+                               stszBoxSizeBytes;            // stsz box size
+}
+
+void MPEG4Writer::Track::addOneStscTableEntry(
+        size_t chunkId, size_t sampleId) {
+
+        StscTableEntry stscEntry(chunkId, sampleId, 1);
+        mStscTableEntries.push_back(stscEntry);
+        ++mNumStscTableEntries;
+}
+
+void MPEG4Writer::Track::addOneStssTableEntry(size_t sampleId) {
+    mStssTableEntries.push_back(sampleId);
+    ++mNumStssTableEntries;
+}
+
+void MPEG4Writer::Track::addOneSttsTableEntry(
+        size_t sampleCount, int64_t durationUs) {
+
+    SttsTableEntry sttsEntry(sampleCount, durationUs);
+    mSttsTableEntries.push_back(sttsEntry);
+    ++mNumSttsTableEntries;
+}
+
+void MPEG4Writer::Track::addChunkOffset(off_t offset) {
+    ++mNumStcoTableEntries;
+    mChunkOffsets.push_back(offset);
+}
+
 void MPEG4Writer::Track::setTimeScale() {
     LOGV("setTimeScale");
     // Default time scale
@@ -1039,6 +1105,7 @@
     return OK;
 }
 
+
 status_t MPEG4Writer::Track::start(MetaData *params) {
     if (!mDone && mPaused) {
         mPaused = false;
@@ -1077,6 +1144,11 @@
     mTrackDurationUs = 0;
     mReachedEOS = false;
     mEstimatedTrackSizeBytes = 0;
+    mNumStcoTableEntries = 0;
+    mNumStssTableEntries = 0;
+    mNumStscTableEntries = 0;
+    mNumSttsTableEntries = 0;
+    mMdatSizeBytes = 0;
 
     pthread_create(&mThread, &attr, ThreadWrapper, this);
     pthread_attr_destroy(&attr);
@@ -1123,46 +1195,6 @@
     return (void *) err;
 }
 
-#include <ctype.h>
-static void hexdump(const void *_data, size_t size) {
-    const uint8_t *data = (const uint8_t *)_data;
-    size_t offset = 0;
-    while (offset < size) {
-        printf("0x%04x  ", offset);
-
-        size_t n = size - offset;
-        if (n > 16) {
-            n = 16;
-        }
-
-        for (size_t i = 0; i < 16; ++i) {
-            if (i == 8) {
-                printf(" ");
-            }
-
-            if (offset + i < size) {
-                printf("%02x ", data[offset + i]);
-            } else {
-                printf("   ");
-            }
-        }
-
-        printf(" ");
-
-        for (size_t i = 0; i < n; ++i) {
-            if (isprint(data[offset + i])) {
-                printf("%c", data[offset + i]);
-            } else {
-                printf(".");
-            }
-        }
-
-        printf("\n");
-
-        offset += 16;
-    }
-}
-
 static void getNalUnitType(uint8_t byte, uint8_t* type) {
     LOGV("getNalUnitType: %d", byte);
 
@@ -1334,7 +1366,6 @@
 
 status_t MPEG4Writer::Track::makeAVCCodecSpecificData(
         const uint8_t *data, size_t size) {
-    // hexdump(data, size);
 
     if (mCodecSpecificData != NULL) {
         LOGE("Already have codec specific data");
@@ -1365,11 +1396,11 @@
     header[3] = mLevelIdc;
 
     // 6-bit '111111' followed by 2-bit to lengthSizeMinuusOne
-#if USE_NALLEN_FOUR
-    header[4] = 0xfc | 3;  // length size == 4 bytes
-#else
-    header[4] = 0xfc | 1;  // length size == 2 bytes
-#endif
+    if (mOwner->useNalLengthFour()) {
+        header[4] = 0xfc | 3;  // length size == 4 bytes
+    } else {
+        header[4] = 0xfc | 1;  // length size == 2 bytes
+    }
 
     // 3-bit '111' followed by 5-bit numSequenceParameterSets
     int nSequenceParamSets = mSeqParamSets.size();
@@ -1406,15 +1437,6 @@
     return OK;
 }
 
-static bool collectStatisticalData() {
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("media.stagefright.record-stats", value, NULL)
-        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
-        return true;
-    }
-    return false;
-}
-
 status_t MPEG4Writer::Track::threadEntry() {
     int32_t count = 0;
     const int64_t interleaveDurationUs = mOwner->interleaveDuration();
@@ -1430,14 +1452,9 @@
     int64_t previousPausedDurationUs = 0;
     int64_t timestampUs;
 
-    int64_t wallClockTimeUs = 0;
-    int64_t lastWallClockTimeUs = 0;
-
     sp<MetaData> meta_data;
-    bool collectStats = collectStatisticalData();
 
     mNumSamples = 0;
-    mMaxWriteTimeUs = 0;
     status_t err = OK;
     MediaBuffer *buffer;
     while (!mDone && (err = mSource->read(&buffer)) == OK) {
@@ -1498,17 +1515,19 @@
 
         if (mIsAvc) StripStartcode(copy);
 
-        size_t sampleSize;
-        sampleSize = mIsAvc
-#if USE_NALLEN_FOUR
-                ? copy->range_length() + 4
-#else
-                ? copy->range_length() + 2
-#endif
-                : copy->range_length();
+        size_t sampleSize = copy->range_length();
+        if (mIsAvc) {
+            if (mOwner->useNalLengthFour()) {
+                sampleSize += 4;
+            } else {
+                sampleSize += 2;
+            }
+        }
 
         // Max file size or duration handling
-        mEstimatedTrackSizeBytes += sampleSize;
+        mMdatSizeBytes += sampleSize;
+        updateTrackSizeEstimate();
+
         if (mOwner->exceedsFileSizeLimit()) {
             mOwner->notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED, 0);
             break;
@@ -1542,14 +1561,15 @@
             // of neighboring samples. This in turn helps reduce the track header size,
             // especially, the number of entries in the "stts" box.
             if (mNumSamples > 1) {
-                int64_t durationUs = timestampUs + mOwner->getDriftTimeUs() - lastTimestampUs;
+                int64_t currDriftTimeUs = mOwner->getDriftTimeUs();
+                int64_t durationUs = timestampUs + currDriftTimeUs - lastTimestampUs;
                 int64_t diffUs = (durationUs > lastDurationUs)
                             ? durationUs - lastDurationUs
                             : lastDurationUs - durationUs;
                 if (diffUs <= 5000) {  // XXX: Magic number 5ms
                     timestampUs = lastTimestampUs + lastDurationUs;
                 } else {
-                    timestampUs += mOwner->getDriftTimeUs();
+                    timestampUs += currDriftTimeUs;
                 }
             }
         }
@@ -1557,12 +1577,6 @@
         if (mNumSamples > 1) {
             if (timestampUs <= lastTimestampUs) {
                 LOGW("Frame arrives too late!");
-#if 0
-                // Drop the late frame.
-                copy->release();
-                copy = NULL;
-                continue;
-#else
                 // Don't drop the late frame, since dropping a frame may cause
                 // problems later during playback
 
@@ -1573,7 +1587,6 @@
                 } else {
                     timestampUs = lastTimestampUs + (1000000LL + (mTimeScale >> 1)) / mTimeScale;
                 }
-#endif
             }
         }
 
@@ -1596,8 +1609,7 @@
                      (lastTimestampUs * mTimeScale + 500000LL) / 1000000LL);
 
             if (currDurationTicks != lastDurationTicks) {
-                SttsTableEntry sttsEntry(sampleCount, lastDurationUs);
-                mSttsTableEntries.push_back(sttsEntry);
+                addOneSttsTableEntry(sampleCount, lastDurationUs);
                 sampleCount = 1;
             } else {
                 ++sampleCount;
@@ -1613,16 +1625,14 @@
         lastDurationTicks = currDurationTicks;
         lastTimestampUs = timestampUs;
         if (mIsRealTimeRecording && mIsAudio) {
-            wallClockTimeUs = systemTime() / 1000;
-            int64_t wallClockDurationUs = wallClockTimeUs - lastWallClockTimeUs;
-            if (mNumSamples > 2) {
-                mOwner->addDriftTimeUs(lastDurationUs - wallClockDurationUs);
+            int64_t driftTimeUs = 0;
+            if (meta_data->findInt64(kKeyDriftTime, &driftTimeUs)) {
+                mOwner->setDriftTimeUs(driftTimeUs);
             }
-            lastWallClockTimeUs = wallClockTimeUs;
         }
 
         if (isSync != 0) {
-            mStssTableEntries.push_back(mNumSamples);
+            addOneStssTableEntry(mNumSamples);
         }
 
         if (mTrackingProgressStatus) {
@@ -1635,7 +1645,7 @@
             off_t offset = mIsAvc? mOwner->addLengthPrefixedSample_l(copy)
                                  : mOwner->addSample_l(copy);
             if (mChunkOffsets.empty()) {
-                mChunkOffsets.push_back(offset);
+                addChunkOffset(offset);
             }
             copy->release();
             copy = NULL;
@@ -1644,8 +1654,7 @@
 
         mChunkSamples.push_back(copy);
         if (interleaveDurationUs == 0) {
-            StscTableEntry stscEntry(++nChunks, 1, 1);
-            mStscTableEntries.push_back(stscEntry);
+            addOneStscTableEntry(++nChunks, 1);
             bufferChunk(timestampUs);
         } else {
             if (chunkTimestampUs == 0) {
@@ -1653,15 +1662,10 @@
             } else {
                 if (timestampUs - chunkTimestampUs > interleaveDurationUs) {
                     ++nChunks;
-                    if (collectStats) {
-                        mChunkDurations.push_back(timestampUs - chunkTimestampUs);
-                    }
                     if (nChunks == 1 ||  // First chunk
                         (--(mStscTableEntries.end()))->samplesPerChunk !=
                          mChunkSamples.size()) {
-                        StscTableEntry stscEntry(nChunks,
-                                mChunkSamples.size(), 1);
-                        mStscTableEntries.push_back(stscEntry);
+                        addOneStscTableEntry(nChunks, mChunkSamples.size());
                     }
                     bufferChunk(timestampUs);
                     chunkTimestampUs = timestampUs;
@@ -1680,12 +1684,9 @@
 
     // Last chunk
     if (mOwner->numTracks() == 1) {
-        StscTableEntry stscEntry(1, mNumSamples, 1);
-        mStscTableEntries.push_back(stscEntry);
+        addOneStscTableEntry(1, mNumSamples);
     } else if (!mChunkSamples.empty()) {
-        ++nChunks;
-        StscTableEntry stscEntry(nChunks, mChunkSamples.size(), 1);
-        mStscTableEntries.push_back(stscEntry);
+        addOneStscTableEntry(++nChunks, mChunkSamples.size());
         bufferChunk(timestampUs);
     }
 
@@ -1697,14 +1698,12 @@
     } else {
         ++sampleCount;  // Count for the last sample
     }
-    SttsTableEntry sttsEntry(sampleCount, lastDurationUs);
-    mSttsTableEntries.push_back(sttsEntry);
+    addOneSttsTableEntry(sampleCount, lastDurationUs);
     mTrackDurationUs += lastDurationUs;
     mReachedEOS = true;
-    LOGI("Received total/0-length (%d/%d) buffers and encoded %d frames. Max write time: %lld us - %s",
-            count, nZeroLengthFrames, mNumSamples, mMaxWriteTimeUs, mIsAudio? "audio": "video");
+    LOGI("Received total/0-length (%d/%d) buffers and encoded %d frames. - %s",
+            count, nZeroLengthFrames, mNumSamples, mIsAudio? "audio": "video");
 
-    logStatisticalData(mIsAudio);
     if (err == ERROR_END_OF_STREAM) {
         return OK;
     }
@@ -1729,17 +1728,6 @@
     CHECK(nTracks < 64);  // Arbitrary number
 
     int32_t trackNum = 0;
-#if 0
-    // In the worst case, we can put the trackNum
-    // along with MEDIA_RECORDER_INFO_COMPLETION_STATUS
-    // to report the progress.
-    for (List<Track *>::iterator it = mTracks.begin();
-         it != mTracks.end(); ++it, ++trackNum) {
-        if (track == (*it)) {
-            break;
-        }
-    }
-#endif
     CHECK(trackNum < nTracks);
     trackNum <<= 16;
 
@@ -1766,95 +1754,10 @@
     }
 }
 
-void MPEG4Writer::Track::findMinAvgMaxSampleDurationMs(
-        int32_t *min, int32_t *avg, int32_t *max) {
-    CHECK(!mSampleSizes.empty());
-    int32_t avgSampleDurationMs = mTrackDurationUs / 1000 / mNumSamples;
-    int32_t minSampleDurationMs = 0x7FFFFFFF;
-    int32_t maxSampleDurationMs = 0;
-    for (List<SttsTableEntry>::iterator it = mSttsTableEntries.begin();
-        it != mSttsTableEntries.end(); ++it) {
-        int32_t sampleDurationMs =
-            (static_cast<int32_t>(it->sampleDurationUs) + 500) / 1000;
-        if (sampleDurationMs > maxSampleDurationMs) {
-            maxSampleDurationMs = sampleDurationMs;
-        } else if (sampleDurationMs < minSampleDurationMs) {
-            minSampleDurationMs = sampleDurationMs;
-        }
-        LOGI("sample duration: %d ms", sampleDurationMs);
-    }
-    CHECK(minSampleDurationMs != 0);
-    CHECK(avgSampleDurationMs != 0);
-    CHECK(maxSampleDurationMs != 0);
-    *min = minSampleDurationMs;
-    *avg = avgSampleDurationMs;
-    *max = maxSampleDurationMs;
-}
-
-// Don't count the last duration
-void MPEG4Writer::Track::findMinMaxChunkDurations(int64_t *min, int64_t *max) {
-    int64_t duration = mOwner->interleaveDuration();
-    int64_t minChunkDuration = duration;
-    int64_t maxChunkDuration = duration;
-    if (mChunkDurations.size() > 1) {
-        for (List<int64_t>::iterator it = mChunkDurations.begin();
-            it != --mChunkDurations.end(); ++it) {
-            if (minChunkDuration > (*it)) {
-                minChunkDuration = (*it);
-            } else if (maxChunkDuration < (*it)) {
-                maxChunkDuration = (*it);
-            }
-        }
-    }
-    *min = minChunkDuration;
-    *max = maxChunkDuration;
-}
-
-void MPEG4Writer::Track::logStatisticalData(bool isAudio) {
-    if (mTrackDurationUs <= 0 || mSampleSizes.empty()) {
-        LOGI("nothing is recorded");
-        return;
-    }
-
-    bool collectStats = collectStatisticalData();
-
-    if (collectStats) {
-        LOGI("%s track - duration %lld us, total %d frames",
-                isAudio? "audio": "video", mTrackDurationUs,
-                mNumSamples);
-        int32_t min, avg, max;
-        findMinAvgMaxSampleDurationMs(&min, &avg, &max);
-        LOGI("min/avg/max sample duration (ms): %d/%d/%d", min, avg, max);
-        if (!isAudio) {
-            float avgFps = 1000.0 / avg;
-            float minFps = 1000.0 / max;
-            float maxFps = 1000.0 / min;
-            LOGI("min/avg/max frame rate (fps): %.2f/%.2f/%.2f",
-                minFps, avgFps, maxFps);
-        }
-
-        int64_t totalBytes = 0;
-        for (List<size_t>::iterator it = mSampleSizes.begin();
-            it != mSampleSizes.end(); ++it) {
-            totalBytes += (*it);
-        }
-        float bitRate = (totalBytes * 8000000.0) / mTrackDurationUs;
-        LOGI("avg bit rate (bps): %.2f", bitRate);
-
-        int64_t duration = mOwner->interleaveDuration();
-        if (duration != 0) {  // If interleaving is enabled
-            int64_t minChunk, maxChunk;
-            findMinMaxChunkDurations(&minChunk, &maxChunk);
-            LOGI("min/avg/max chunk duration (ms): %lld/%lld/%lld",
-                minChunk, duration, maxChunk);
-        }
-    }
-}
-
-void MPEG4Writer::addDriftTimeUs(int64_t driftTimeUs) {
-    LOGV("addDriftTimeUs: %lld us", driftTimeUs);
+void MPEG4Writer::setDriftTimeUs(int64_t driftTimeUs) {
+    LOGV("setDriftTimeUs: %lld us", driftTimeUs);
     Mutex::Autolock autolock(mLock);
-    mDriftTimeUs += driftTimeUs;
+    mDriftTimeUs = driftTimeUs;
 }
 
 int64_t MPEG4Writer::getDriftTimeUs() {
@@ -1863,17 +1766,16 @@
     return mDriftTimeUs;
 }
 
+bool MPEG4Writer::useNalLengthFour() {
+    return mUse4ByteNalLength;
+}
+
 void MPEG4Writer::Track::bufferChunk(int64_t timestampUs) {
     LOGV("bufferChunk");
 
-    int64_t startTimeUs = systemTime() / 1000;
     Chunk chunk(this, timestampUs, mChunkSamples);
     mOwner->bufferChunk(chunk);
     mChunkSamples.clear();
-    int64_t endTimeUs = systemTime() / 1000;
-    if (mMaxWriteTimeUs < endTimeUs - startTimeUs) {
-        mMaxWriteTimeUs = endTimeUs - startTimeUs;
-    }
 }
 
 int64_t MPEG4Writer::Track::getDurationUs() const {
@@ -2226,7 +2128,7 @@
 
           mOwner->beginBox("stts");
             mOwner->writeInt32(0);  // version=0, flags=0
-            mOwner->writeInt32(mSttsTableEntries.size());
+            mOwner->writeInt32(mNumSttsTableEntries);
             int64_t prevTimestampUs = 0;
             for (List<SttsTableEntry>::iterator it = mSttsTableEntries.begin();
                  it != mSttsTableEntries.end(); ++it) {
@@ -2246,7 +2148,7 @@
           if (!mIsAudio) {
             mOwner->beginBox("stss");
               mOwner->writeInt32(0);  // version=0, flags=0
-              mOwner->writeInt32(mStssTableEntries.size());  // number of sync frames
+              mOwner->writeInt32(mNumStssTableEntries);  // number of sync frames
               for (List<int32_t>::iterator it = mStssTableEntries.begin();
                    it != mStssTableEntries.end(); ++it) {
                   mOwner->writeInt32(*it);
@@ -2273,7 +2175,7 @@
 
           mOwner->beginBox("stsc");
             mOwner->writeInt32(0);  // version=0, flags=0
-            mOwner->writeInt32(mStscTableEntries.size());
+            mOwner->writeInt32(mNumStscTableEntries);
             for (List<StscTableEntry>::iterator it = mStscTableEntries.begin();
                  it != mStscTableEntries.end(); ++it) {
                 mOwner->writeInt32(it->firstChunk);
@@ -2283,7 +2185,7 @@
           mOwner->endBox();  // stsc
           mOwner->beginBox(use32BitOffset? "stco": "co64");
             mOwner->writeInt32(0);  // version=0, flags=0
-            mOwner->writeInt32(mChunkOffsets.size());
+            mOwner->writeInt32(mNumStcoTableEntries);
             for (List<off_t>::iterator it = mChunkOffsets.begin();
                  it != mChunkOffsets.end(); ++it) {
                 if (use32BitOffset) {
diff --git a/media/libstagefright/OggExtractor.cpp b/media/libstagefright/OggExtractor.cpp
index 2c1311a..7a8cf32 100644
--- a/media/libstagefright/OggExtractor.cpp
+++ b/media/libstagefright/OggExtractor.cpp
@@ -592,6 +592,7 @@
         { "DATE", kKeyDate },
         { "LYRICIST", kKeyWriter },
         { "METADATA_BLOCK_PICTURE", kKeyAlbumArt },
+        { "ANDROID_LOOP", kKeyAutoLoop },
     };
 
     for (int i = 0; i < mVc.comments; ++i) {
@@ -605,12 +606,15 @@
                     extractAlbumArt(
                             &comment[tagLen + 1],
                             mVc.comment_lengths[i] - tagLen - 1);
+                } else if (kMap[j].mKey == kKeyAutoLoop) {
+                    if (!strcasecmp(&comment[tagLen + 1], "true")) {
+                        mFileMeta->setInt32(kKeyAutoLoop, true);
+                    }
                 } else {
                     mFileMeta->setCString(kMap[j].mKey, &comment[tagLen + 1]);
                 }
             }
         }
-
     }
 
 #if 0
diff --git a/media/libstagefright/TimedEventQueue.cpp b/media/libstagefright/TimedEventQueue.cpp
index 0dacb53..5a453e9 100644
--- a/media/libstagefright/TimedEventQueue.cpp
+++ b/media/libstagefright/TimedEventQueue.cpp
@@ -26,6 +26,8 @@
 
 #include "include/TimedEventQueue.h"
 
+#include <cutils/sched_policy.h>
+
 #include <sys/prctl.h>
 #include <sys/time.h>
 #include <sys/resource.h>
@@ -209,6 +211,8 @@
 #endif
 
     setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_FOREGROUND);
+    set_sched_policy(androidGetTid(), SP_FOREGROUND);
+
     static_cast<TimedEventQueue *>(me)->threadEntry();
 
 #ifdef ANDROID_SIMULATOR
diff --git a/media/libstagefright/codecs/aacenc/AACEncoder.cpp b/media/libstagefright/codecs/aacenc/AACEncoder.cpp
index 052c354..df9f107 100644
--- a/media/libstagefright/codecs/aacenc/AACEncoder.cpp
+++ b/media/libstagefright/codecs/aacenc/AACEncoder.cpp
@@ -208,6 +208,8 @@
     MediaBuffer *buffer;
     CHECK_EQ(mBufferGroup->acquire_buffer(&buffer), OK);
     uint8_t *outPtr = (uint8_t *)buffer->data();
+    bool readFromSource = false;
+    int64_t wallClockTimeUs = -1;
 
     if (mFrameCount == 0) {
         memcpy(outPtr, mAudioSpecificConfigData, 2);
@@ -238,9 +240,15 @@
             CHECK_EQ(align, 0);
 
             int64_t timeUs;
-            if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
+            if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
+                wallClockTimeUs = timeUs;
+            }
+            if (mInputBuffer->meta_data()->findInt64(kKeyAnchorTime, &timeUs)) {
                 mAnchorTimeUs = timeUs;
             }
+            readFromSource = true;
+        } else {
+            readFromSource = false;
         }
         size_t copy =
             (kNumSamplesPerFrame - mNumInputSamples) * sizeof(int16_t);
@@ -288,9 +296,13 @@
     CHECK(outputData.Length != 0);
     buffer->set_range(0, outputData.Length);
 
-    int64_t timestampUs = ((mFrameCount - 1) * 1000000LL * kNumSamplesPerFrame) / mSampleRate;
+    int64_t mediaTimeUs =
+        ((mFrameCount - 1) * 1000000LL * kNumSamplesPerFrame) / mSampleRate;
+    buffer->meta_data()->setInt64(kKeyTime, mAnchorTimeUs + mediaTimeUs);
+    if (readFromSource && wallClockTimeUs != -1) {
+        buffer->meta_data()->setInt64(kKeyDriftTime, mediaTimeUs - wallClockTimeUs);
+    }
     ++mFrameCount;
-    buffer->meta_data()->setInt64(kKeyTime, timestampUs);
 
     *out = buffer;
     return OK;
diff --git a/media/libstagefright/codecs/amrnb/enc/AMRNBEncoder.cpp b/media/libstagefright/codecs/amrnb/enc/AMRNBEncoder.cpp
index c875426..94a79ab 100644
--- a/media/libstagefright/codecs/amrnb/enc/AMRNBEncoder.cpp
+++ b/media/libstagefright/codecs/amrnb/enc/AMRNBEncoder.cpp
@@ -147,6 +147,8 @@
     int64_t seekTimeUs;
     ReadOptions::SeekMode mode;
     CHECK(options == NULL || !options->getSeekTo(&seekTimeUs, &mode));
+    bool readFromSource = false;
+    int64_t wallClockTimeUs = -1;
 
     while (mNumInputSamples < kNumSamplesPerFrame) {
         if (mInputBuffer == NULL) {
@@ -166,12 +168,17 @@
 
             size_t align = mInputBuffer->range_length() % sizeof(int16_t);
             CHECK_EQ(align, 0);
+            readFromSource = true;
 
             int64_t timeUs;
-            if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
-                mAnchorTimeUs = timeUs;
-                mNumFramesOutput = 0;
+            if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
+                wallClockTimeUs = timeUs;
             }
+            if (mInputBuffer->meta_data()->findInt64(kKeyAnchorTime, &timeUs)) {
+                mAnchorTimeUs = timeUs;
+            }
+        } else {
+            readFromSource = false;
         }
 
         size_t copy =
@@ -217,8 +224,14 @@
     buffer->set_range(0, res);
 
     // Each frame of 160 samples is 20ms long.
+    int64_t mediaTimeUs = mNumFramesOutput * 20000LL;
     buffer->meta_data()->setInt64(
-            kKeyTime, mAnchorTimeUs + mNumFramesOutput * 20000);
+            kKeyTime, mAnchorTimeUs + mediaTimeUs);
+
+    if (readFromSource && wallClockTimeUs != -1) {
+        buffer->meta_data()->setInt64(kKeyDriftTime,
+            mediaTimeUs - wallClockTimeUs);
+    }
 
     ++mNumFramesOutput;
 
diff --git a/media/libstagefright/codecs/amrwbenc/AMRWBEncoder.cpp b/media/libstagefright/codecs/amrwbenc/AMRWBEncoder.cpp
index 93304d0..002f055 100644
--- a/media/libstagefright/codecs/amrwbenc/AMRWBEncoder.cpp
+++ b/media/libstagefright/codecs/amrwbenc/AMRWBEncoder.cpp
@@ -198,6 +198,8 @@
     int64_t seekTimeUs;
     ReadOptions::SeekMode mode;
     CHECK(options == NULL || !options->getSeekTo(&seekTimeUs, &mode));
+    bool readFromSource = false;
+    int64_t wallClockTimeUs = -1;
 
     while (mNumInputSamples < kNumSamplesPerFrame) {
         if (mInputBuffer == NULL) {
@@ -219,9 +221,15 @@
             CHECK_EQ(align, 0);
 
             int64_t timeUs;
-            if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
+            if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
+                wallClockTimeUs = timeUs;
+            }
+            if (mInputBuffer->meta_data()->findInt64(kKeyAnchorTime, &timeUs)) {
                 mAnchorTimeUs = timeUs;
             }
+            readFromSource = true;
+        } else {
+            readFromSource = false;
         }
 
         size_t copy =
@@ -276,10 +284,11 @@
     buffer->set_range(0, outputData.Length);
     ++mNumFramesOutput;
 
-    // XXX: fix timestamp calculation
-    int64_t timestampUs = mNumFramesOutput * 20000LL;
-
-    buffer->meta_data()->setInt64(kKeyTime, timestampUs);
+    int64_t mediaTimeUs = mNumFramesOutput * 20000LL;
+    buffer->meta_data()->setInt64(kKeyTime, mAnchorTimeUs + mediaTimeUs);
+    if (readFromSource && wallClockTimeUs != -1) {
+        buffer->meta_data()->setInt64(kKeyDriftTime, mediaTimeUs - wallClockTimeUs);
+    }
 
     *out = buffer;
     return OK;
diff --git a/media/libstagefright/colorconversion/SoftwareRenderer.cpp b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
index 507fa5a..c204a94 100644
--- a/media/libstagefright/colorconversion/SoftwareRenderer.cpp
+++ b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
@@ -106,7 +106,12 @@
 void SoftwareRenderer::render(
         const void *data, size_t size, void *platformPrivate) {
     android_native_buffer_t *buf;
-    CHECK_EQ(0, mSurface->dequeueBuffer(mSurface.get(), &buf));
+    int err;
+    if ((err = mSurface->dequeueBuffer(mSurface.get(), &buf)) != 0) {
+        LOGW("Surface::dequeueBuffer returned error %d", err);
+        return;
+    }
+
     CHECK_EQ(0, mSurface->lockBuffer(mSurface.get(), buf));
 
     GraphicBufferMapper &mapper = GraphicBufferMapper::get();
@@ -186,7 +191,9 @@
 
     CHECK_EQ(0, mapper.unlock(buf->handle));
 
-    CHECK_EQ(0, mSurface->queueBuffer(mSurface.get(), buf));
+    if ((err = mSurface->queueBuffer(mSurface.get(), buf)) != 0) {
+        LOGW("Surface::queueBuffer returned error %d", err);
+    }
     buf = NULL;
 }
 
diff --git a/media/libstagefright/include/ARTSPController.h b/media/libstagefright/include/ARTSPController.h
index 7016880..300d8f7 100644
--- a/media/libstagefright/include/ARTSPController.h
+++ b/media/libstagefright/include/ARTSPController.h
@@ -42,6 +42,7 @@
             size_t index, uint32_t flags);
 
     int64_t getNormalPlayTimeUs();
+    int64_t getQueueDurationUs(bool *eos);
 
     void onMessageReceived(const sp<AMessage> &msg);
 
diff --git a/media/libstagefright/include/AwesomePlayer.h b/media/libstagefright/include/AwesomePlayer.h
index f34eb45..ea2f7d5 100644
--- a/media/libstagefright/include/AwesomePlayer.h
+++ b/media/libstagefright/include/AwesomePlayer.h
@@ -107,6 +107,7 @@
         CACHE_UNDERRUN      = 128,
         AUDIO_AT_EOS        = 256,
         VIDEO_AT_EOS        = 512,
+        AUTO_LOOPING        = 1024,
     };
 
     mutable Mutex mLock;
@@ -241,6 +242,9 @@
     void onCheckAudioStatus();
     void onPrepareAsyncEvent();
     void abortPrepare(status_t err);
+    void finishAsyncPrepare_l();
+
+    bool getCachedDuration_l(int64_t *durationUs, bool *eos);
 
     status_t finishSetDataSource_l();
 
diff --git a/media/libstagefright/include/MP3Extractor.h b/media/libstagefright/include/MP3Extractor.h
index 0e6ccde..30136e7 100644
--- a/media/libstagefright/include/MP3Extractor.h
+++ b/media/libstagefright/include/MP3Extractor.h
@@ -37,10 +37,9 @@
 
     virtual sp<MetaData> getMetaData();
 
-protected:
-    virtual ~MP3Extractor();
-
 private:
+    status_t mInitCheck;
+
     sp<DataSource> mDataSource;
     off_t mFirstFramePos;
     sp<MetaData> mMeta;
diff --git a/media/libstagefright/include/OMX.h b/media/libstagefright/include/OMX.h
index c99da59..83b75ad 100644
--- a/media/libstagefright/include/OMX.h
+++ b/media/libstagefright/include/OMX.h
@@ -59,10 +59,17 @@
             node_id node, OMX_INDEXTYPE index,
             const void *params, size_t size);
 
+    virtual status_t enableGraphicBuffers(
+            node_id node, OMX_U32 port_index, OMX_BOOL enable);
+
     virtual status_t useBuffer(
             node_id node, OMX_U32 port_index, const sp<IMemory> &params,
             buffer_id *buffer);
 
+    virtual status_t useGraphicBuffer(
+            node_id node, OMX_U32 port_index,
+            const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer);
+
     virtual status_t allocateBuffer(
             node_id node, OMX_U32 port_index, size_t size,
             buffer_id *buffer, void **buffer_data);
diff --git a/media/libstagefright/include/OMXNodeInstance.h b/media/libstagefright/include/OMXNodeInstance.h
index b5b31ac..8c7c562 100644
--- a/media/libstagefright/include/OMXNodeInstance.h
+++ b/media/libstagefright/include/OMXNodeInstance.h
@@ -49,10 +49,16 @@
     status_t getConfig(OMX_INDEXTYPE index, void *params, size_t size);
     status_t setConfig(OMX_INDEXTYPE index, const void *params, size_t size);
 
+    status_t enableGraphicBuffers(OMX_U32 portIndex, OMX_BOOL enable);
+
     status_t useBuffer(
             OMX_U32 portIndex, const sp<IMemory> &params,
             OMX::buffer_id *buffer);
 
+    status_t useGraphicBuffer(
+            OMX_U32 portIndex, const sp<GraphicBuffer> &graphicBuffer,
+            OMX::buffer_id *buffer);
+
     status_t allocateBuffer(
             OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer,
             void **buffer_data);
@@ -125,4 +131,3 @@
 }  // namespace android
 
 #endif  // OMX_NODE_INSTANCE_H_
-
diff --git a/media/libstagefright/mpeg2ts/ATSParser.cpp b/media/libstagefright/mpeg2ts/ATSParser.cpp
index 26a0fb3..72de8d7 100644
--- a/media/libstagefright/mpeg2ts/ATSParser.cpp
+++ b/media/libstagefright/mpeg2ts/ATSParser.cpp
@@ -78,6 +78,8 @@
             unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS,
             const uint8_t *data, size_t size);
 
+    void extractAACFrames(const sp<ABuffer> &buffer);
+
     DISALLOW_EVIL_CONSTRUCTORS(Stream);
 };
 
@@ -226,7 +228,7 @@
 ATSParser::Stream::Stream(unsigned elementaryPID, unsigned streamType)
     : mElementaryPID(elementaryPID),
       mStreamType(streamType),
-      mBuffer(new ABuffer(65536)),
+      mBuffer(new ABuffer(128 * 1024)),
       mPayloadStarted(false) {
     mBuffer->setRange(0, 0);
 }
@@ -662,7 +664,7 @@
     csd->data()[sizeof(kStaticESDS) + 1] =
         ((sampling_freq_index << 7) & 0x80) | (channel_configuration << 3);
 
-    hexdump(csd->data(), csd->size());
+    // hexdump(csd->data(), csd->size());
     return csd;
 }
 
@@ -727,13 +729,76 @@
     buffer->meta()->setInt64("time", (PTS * 100) / 9);
 
     if (mStreamType == 0x0f) {
-        // WHY???
-        buffer->setRange(7, buffer->size() - 7);
+        extractAACFrames(buffer);
     }
 
     mSource->queueAccessUnit(buffer);
 }
 
+// Disassemble one or more ADTS frames into their constituent parts and
+// leave only the concatenated raw_data_blocks in the buffer.
+void ATSParser::Stream::extractAACFrames(const sp<ABuffer> &buffer) {
+    size_t dstOffset = 0;
+
+    size_t offset = 0;
+    while (offset < buffer->size()) {
+        CHECK_LE(offset + 7, buffer->size());
+
+        ABitReader bits(buffer->data() + offset, buffer->size() - offset);
+
+        // adts_fixed_header
+
+        CHECK_EQ(bits.getBits(12), 0xfffu);
+        bits.skipBits(3);  // ID, layer
+        bool protection_absent = bits.getBits(1) != 0;
+
+        // profile_ObjectType, sampling_frequency_index, private_bits,
+        // channel_configuration, original_copy, home
+        bits.skipBits(12);
+
+        // adts_variable_header
+
+        // copyright_identification_bit, copyright_identification_start
+        bits.skipBits(2);
+
+        unsigned aac_frame_length = bits.getBits(13);
+
+        bits.skipBits(11);  // adts_buffer_fullness
+
+        unsigned number_of_raw_data_blocks_in_frame = bits.getBits(2);
+
+        if (number_of_raw_data_blocks_in_frame == 0) {
+            size_t scan = offset + aac_frame_length;
+
+            offset += 7;
+            if (!protection_absent) {
+                offset += 2;
+            }
+
+            CHECK_LE(scan, buffer->size());
+
+            LOG(VERBOSE)
+                << "found aac raw data block at ["
+                << StringPrintf("0x%08x", offset)
+                << " ; "
+                << StringPrintf("0x%08x", scan)
+                << ")";
+
+            memmove(&buffer->data()[dstOffset], &buffer->data()[offset],
+                    scan - offset);
+
+            dstOffset += scan - offset;
+            offset = scan;
+        } else {
+            // To be implemented.
+            TRESPASS();
+        }
+    }
+    CHECK_EQ(offset, buffer->size());
+
+    buffer->setRange(buffer->offset(), dstOffset);
+}
+
 sp<MediaSource> ATSParser::Stream::getSource(SourceType type) {
     if ((type == AVC_VIDEO && mStreamType == 0x1b)
         || (type == MPEG2ADTS_AUDIO && mStreamType == 0x0f)) {
diff --git a/media/libstagefright/omx/OMX.cpp b/media/libstagefright/omx/OMX.cpp
index 88b9605..37243ad 100644
--- a/media/libstagefright/omx/OMX.cpp
+++ b/media/libstagefright/omx/OMX.cpp
@@ -287,6 +287,11 @@
             index, params, size);
 }
 
+status_t OMX::enableGraphicBuffers(
+        node_id node, OMX_U32 port_index, OMX_BOOL enable) {
+    return findInstance(node)->enableGraphicBuffers(port_index, enable);
+}
+
 status_t OMX::useBuffer(
         node_id node, OMX_U32 port_index, const sp<IMemory> &params,
         buffer_id *buffer) {
@@ -294,6 +299,13 @@
             port_index, params, buffer);
 }
 
+status_t OMX::useGraphicBuffer(
+        node_id node, OMX_U32 port_index,
+        const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) {
+    return findInstance(node)->useGraphicBuffer(
+            port_index, graphicBuffer, buffer);
+}
+
 status_t OMX::allocateBuffer(
         node_id node, OMX_U32 port_index, size_t size,
         buffer_id *buffer, void **buffer_data) {
@@ -530,4 +542,3 @@
 }
 
 }  // namespace android
-
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index 5db516e..ba4d765 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -24,6 +24,7 @@
 #include <OMX_Component.h>
 
 #include <binder/IMemory.h>
+#include <media/stagefright/HardwareAPI.h>
 #include <media/stagefright/MediaDebug.h>
 #include <media/stagefright/MediaErrors.h>
 
@@ -40,6 +41,11 @@
           mIsBackup(false) {
     }
 
+    BufferMeta(const sp<GraphicBuffer> &graphicBuffer)
+        : mGraphicBuffer(graphicBuffer),
+          mIsBackup(false) {
+    }
+
     void CopyFromOMX(const OMX_BUFFERHEADERTYPE *header) {
         if (!mIsBackup) {
             return;
@@ -61,6 +67,7 @@
     }
 
 private:
+    sp<GraphicBuffer> mGraphicBuffer;
     sp<IMemory> mMem;
     size_t mSize;
     bool mIsBackup;
@@ -240,6 +247,43 @@
     return StatusFromOMXError(err);
 }
 
+status_t OMXNodeInstance::enableGraphicBuffers(
+        OMX_U32 portIndex, OMX_BOOL enable) {
+    Mutex::Autolock autoLock(mLock);
+
+    OMX_INDEXTYPE index;
+    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
+            mHandle,
+            const_cast<OMX_STRING>("OMX.google.android.index.enableAndroidNativeBuffers"),
+            &index);
+
+    if (err != OMX_ErrorNone) {
+        LOGE("OMX_GetExtensionIndex failed");
+
+        return StatusFromOMXError(err);
+    }
+
+    OMX_VERSIONTYPE ver;
+    ver.s.nVersionMajor = 1;
+    ver.s.nVersionMinor = 0;
+    ver.s.nRevision = 0;
+    ver.s.nStep = 0;
+    EnableAndroidNativeBuffersParams params = {
+        sizeof(EnableAndroidNativeBuffersParams), ver, portIndex, enable,
+    };
+
+    err = OMX_SetParameter(mHandle, index, &params);
+
+    if (err != OMX_ErrorNone) {
+        LOGE("OMX_EnableAndroidNativeBuffers failed with error %d (0x%08x)",
+                err, err);
+
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
 status_t OMXNodeInstance::useBuffer(
         OMX_U32 portIndex, const sp<IMemory> &params,
         OMX::buffer_id *buffer) {
@@ -273,6 +317,60 @@
     return OK;
 }
 
+status_t OMXNodeInstance::useGraphicBuffer(
+        OMX_U32 portIndex, const sp<GraphicBuffer>& graphicBuffer,
+        OMX::buffer_id *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    OMX_INDEXTYPE index;
+    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
+            mHandle,
+            const_cast<OMX_STRING>("OMX.google.android.index.useAndroidNativeBuffer"),
+            &index);
+
+    if (err != OMX_ErrorNone) {
+        LOGE("OMX_GetExtensionIndex failed");
+
+        return StatusFromOMXError(err);
+    }
+
+    BufferMeta *bufferMeta = new BufferMeta(graphicBuffer);
+
+    OMX_BUFFERHEADERTYPE *header;
+
+    OMX_VERSIONTYPE ver;
+    ver.s.nVersionMajor = 1;
+    ver.s.nVersionMinor = 0;
+    ver.s.nRevision = 0;
+    ver.s.nStep = 0;
+    UseAndroidNativeBufferParams params = {
+        sizeof(UseAndroidNativeBufferParams), ver, portIndex, bufferMeta,
+        &header, graphicBuffer,
+    };
+
+    err = OMX_SetParameter(mHandle, index, &params);
+
+    if (err != OMX_ErrorNone) {
+        LOGE("OMX_UseAndroidNativeBuffer failed with error %d (0x%08x)", err,
+                err);
+
+        delete bufferMeta;
+        bufferMeta = NULL;
+
+        *buffer = 0;
+
+        return UNKNOWN_ERROR;
+    }
+
+    CHECK_EQ(header->pAppPrivate, bufferMeta);
+
+    *buffer = header;
+
+    addActiveBuffer(portIndex, *buffer);
+
+    return OK;
+}
+
 status_t OMXNodeInstance::allocateBuffer(
         OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer,
         void **buffer_data) {
@@ -498,4 +596,3 @@
 }
 
 }  // namespace android
-
diff --git a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
index 7dd3e3f..f68a35b 100644
--- a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
+++ b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.cpp
@@ -18,29 +18,160 @@
 
 #include "ARTPSource.h"
 
+#include <media/stagefright/foundation/ABitReader.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/foundation/hexdump.h>
+#include <media/stagefright/Utils.h>
 
+#include <ctype.h>
 #include <stdint.h>
 
 #define BE_VERBOSE      0
 
 namespace android {
 
+static bool GetAttribute(const char *s, const char *key, AString *value) {
+    value->clear();
+
+    size_t keyLen = strlen(key);
+
+    for (;;) {
+        while (isspace(*s)) {
+            ++s;
+        }
+
+        const char *colonPos = strchr(s, ';');
+
+        size_t len =
+            (colonPos == NULL) ? strlen(s) : colonPos - s;
+
+        if (len >= keyLen + 1 && s[keyLen] == '='
+                && !strncasecmp(s, key, keyLen)) {
+            value->setTo(&s[keyLen + 1], len - keyLen - 1);
+            return true;
+        }
+
+        if (colonPos == NULL) {
+            return false;
+        }
+
+        s = colonPos + 1;
+    }
+}
+
+static bool GetIntegerAttribute(
+        const char *s, const char *key, unsigned *x) {
+    *x = 0;
+
+    AString val;
+    if (!GetAttribute(s, key, &val)) {
+        return false;
+    }
+
+    s = val.c_str();
+    char *end;
+    unsigned y = strtoul(s, &end, 10);
+
+    if (end == s || *end != '\0') {
+        return false;
+    }
+
+    *x = y;
+
+    return true;
+}
+
 // static
-AMPEG4ElementaryAssembler::AMPEG4ElementaryAssembler(const sp<AMessage> &notify)
+AMPEG4ElementaryAssembler::AMPEG4ElementaryAssembler(
+        const sp<AMessage> &notify, const AString &desc, const AString &params)
     : mNotifyMsg(notify),
+      mIsGeneric(false),
+      mParams(params),
+      mSizeLength(0),
+      mIndexLength(0),
+      mIndexDeltaLength(0),
+      mCTSDeltaLength(0),
+      mDTSDeltaLength(0),
+      mRandomAccessIndication(false),
+      mStreamStateIndication(0),
+      mAuxiliaryDataSizeLength(0),
+      mHasAUHeader(false),
       mAccessUnitRTPTime(0),
       mNextExpectedSeqNoValid(false),
       mNextExpectedSeqNo(0),
       mAccessUnitDamaged(false) {
+    mIsGeneric = desc.startsWith("mpeg4-generic/");
+
+    if (mIsGeneric) {
+        AString value;
+        CHECK(GetAttribute(params.c_str(), "mode", &value));
+
+        if (!GetIntegerAttribute(params.c_str(), "sizeLength", &mSizeLength)) {
+            mSizeLength = 0;
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "indexLength", &mIndexLength)) {
+            mIndexLength = 0;
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "indexDeltaLength", &mIndexDeltaLength)) {
+            mIndexDeltaLength = 0;
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "CTSDeltaLength", &mCTSDeltaLength)) {
+            mCTSDeltaLength = 0;
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "DTSDeltaLength", &mDTSDeltaLength)) {
+            mDTSDeltaLength = 0;
+        }
+
+        unsigned x;
+        if (!GetIntegerAttribute(
+                    params.c_str(), "randomAccessIndication", &x)) {
+            mRandomAccessIndication = false;
+        } else {
+            CHECK(x == 0 || x == 1);
+            mRandomAccessIndication = (x != 0);
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "streamStateIndication",
+                    &mStreamStateIndication)) {
+            mStreamStateIndication = 0;
+        }
+
+        if (!GetIntegerAttribute(
+                    params.c_str(), "auxiliaryDataSizeLength",
+                    &mAuxiliaryDataSizeLength)) {
+            mAuxiliaryDataSizeLength = 0;
+        }
+
+        mHasAUHeader =
+            mSizeLength > 0
+            || mIndexLength > 0
+            || mIndexDeltaLength > 0
+            || mCTSDeltaLength > 0
+            || mDTSDeltaLength > 0
+            || mRandomAccessIndication
+            || mStreamStateIndication > 0;
+    }
 }
 
 AMPEG4ElementaryAssembler::~AMPEG4ElementaryAssembler() {
 }
 
+struct AUHeader {
+    unsigned mSize;
+    unsigned mSerial;
+};
+
 ARTPAssembler::AssemblyStatus AMPEG4ElementaryAssembler::addPacket(
         const sp<ARTPSource> &source) {
     List<sp<ABuffer> > *queue = source->queue();
@@ -85,8 +216,116 @@
     }
     mAccessUnitRTPTime = rtpTime;
 
-    mPackets.push_back(buffer);
-    // hexdump(buffer->data(), buffer->size());
+    if (!mIsGeneric) {
+        mPackets.push_back(buffer);
+    } else {
+        // hexdump(buffer->data(), buffer->size());
+
+        CHECK_GE(buffer->size(), 2u);
+        unsigned AU_headers_length = U16_AT(buffer->data());  // in bits
+
+        CHECK_GE(buffer->size(), 2 + (AU_headers_length + 7) / 8);
+
+        List<AUHeader> headers;
+
+        ABitReader bits(buffer->data() + 2, buffer->size() - 2);
+        unsigned numBitsLeft = AU_headers_length;
+
+        unsigned AU_serial = 0;
+        for (;;) {
+            if (numBitsLeft < mSizeLength) { break; }
+
+            unsigned AU_size = bits.getBits(mSizeLength);
+            numBitsLeft -= mSizeLength;
+
+            size_t n = headers.empty() ? mIndexLength : mIndexDeltaLength;
+            if (numBitsLeft < n) { break; }
+
+            unsigned AU_index = bits.getBits(n);
+            numBitsLeft -= n;
+
+            if (headers.empty()) {
+                AU_serial = AU_index;
+            } else {
+                AU_serial += 1 + AU_index;
+            }
+
+            if (mCTSDeltaLength > 0) {
+                if (numBitsLeft < 1) {
+                    break;
+                }
+                --numBitsLeft;
+                if (bits.getBits(1)) {
+                    if (numBitsLeft < mCTSDeltaLength) {
+                        break;
+                    }
+                    bits.skipBits(mCTSDeltaLength);
+                    numBitsLeft -= mCTSDeltaLength;
+                }
+            }
+
+            if (mDTSDeltaLength > 0) {
+                if (numBitsLeft < 1) {
+                    break;
+                }
+                --numBitsLeft;
+                if (bits.getBits(1)) {
+                    if (numBitsLeft < mDTSDeltaLength) {
+                        break;
+                    }
+                    bits.skipBits(mDTSDeltaLength);
+                    numBitsLeft -= mDTSDeltaLength;
+                }
+            }
+
+            if (mRandomAccessIndication) {
+                if (numBitsLeft < 1) {
+                    break;
+                }
+                bits.skipBits(1);
+                --numBitsLeft;
+            }
+
+            if (mStreamStateIndication > 0) {
+                if (numBitsLeft < mStreamStateIndication) {
+                    break;
+                }
+                bits.skipBits(mStreamStateIndication);
+            }
+
+            AUHeader header;
+            header.mSize = AU_size;
+            header.mSerial = AU_serial;
+            headers.push_back(header);
+        }
+
+        size_t offset = 2 + (AU_headers_length + 7) / 8;
+
+        if (mAuxiliaryDataSizeLength > 0) {
+            ABitReader bits(buffer->data() + offset, buffer->size() - offset);
+
+            unsigned auxSize = bits.getBits(mAuxiliaryDataSizeLength);
+
+            offset += (mAuxiliaryDataSizeLength + auxSize + 7) / 8;
+        }
+
+        for (List<AUHeader>::iterator it = headers.begin();
+             it != headers.end(); ++it) {
+            const AUHeader &header = *it;
+
+            CHECK_LE(offset + header.mSize, buffer->size());
+
+            sp<ABuffer> accessUnit = new ABuffer(header.mSize);
+            memcpy(accessUnit->data(), buffer->data() + offset, header.mSize);
+
+            offset += header.mSize;
+
+            CopyTimes(accessUnit, buffer);
+            mPackets.push_back(accessUnit);
+        }
+
+        CHECK_EQ(offset, buffer->size());
+    }
 
     queue->erase(queue->begin());
     ++mNextExpectedSeqNo;
diff --git a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.h b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.h
index 1566d00..794bbcc 100644
--- a/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.h
+++ b/media/libstagefright/rtsp/AMPEG4ElementaryAssembler.h
@@ -20,6 +20,8 @@
 
 #include "ARTPAssembler.h"
 
+#include <media/stagefright/foundation/AString.h>
+
 #include <utils/List.h>
 #include <utils/RefBase.h>
 
@@ -29,7 +31,9 @@
 struct AMessage;
 
 struct AMPEG4ElementaryAssembler : public ARTPAssembler {
-    AMPEG4ElementaryAssembler(const sp<AMessage> &notify);
+    AMPEG4ElementaryAssembler(
+            const sp<AMessage> &notify, const AString &desc,
+            const AString &params);
 
 protected:
     virtual ~AMPEG4ElementaryAssembler();
@@ -40,6 +44,18 @@
 
 private:
     sp<AMessage> mNotifyMsg;
+    bool mIsGeneric;
+    AString mParams;
+
+    unsigned mSizeLength;
+    unsigned mIndexLength;
+    unsigned mIndexDeltaLength;
+    unsigned mCTSDeltaLength;
+    unsigned mDTSDeltaLength;
+    bool mRandomAccessIndication;
+    unsigned mStreamStateIndication;
+    unsigned mAuxiliaryDataSizeLength;
+    bool mHasAUHeader;
 
     uint32_t mAccessUnitRTPTime;
     bool mNextExpectedSeqNoValid;
diff --git a/media/libstagefright/rtsp/APacketSource.cpp b/media/libstagefright/rtsp/APacketSource.cpp
index 2d7738b..b63798f 100644
--- a/media/libstagefright/rtsp/APacketSource.cpp
+++ b/media/libstagefright/rtsp/APacketSource.cpp
@@ -247,6 +247,65 @@
     return csd;
 }
 
+// From mpeg4-generic configuration data.
+sp<ABuffer> MakeAACCodecSpecificData2(const char *params) {
+    AString val;
+    unsigned long objectType;
+    if (GetAttribute(params, "objectType", &val)) {
+        const char *s = val.c_str();
+        char *end;
+        objectType = strtoul(s, &end, 10);
+        CHECK(end > s && *end == '\0');
+    } else {
+        objectType = 0x40;  // Audio ISO/IEC 14496-3
+    }
+
+    CHECK(GetAttribute(params, "config", &val));
+
+    sp<ABuffer> config = decodeHex(val);
+    CHECK(config != NULL);
+
+    // Make sure size fits into a single byte and doesn't have to
+    // be encoded.
+    CHECK_LT(20 + config->size(), 128u);
+
+    const uint8_t *data = config->data();
+
+    static const uint8_t kStaticESDS[] = {
+        0x03, 22,
+        0x00, 0x00,     // ES_ID
+        0x00,           // streamDependenceFlag, URL_Flag, OCRstreamFlag
+
+        0x04, 17,
+        0x40,                       // Audio ISO/IEC 14496-3
+        0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00,
+
+        0x05, 2,
+        // AudioSpecificInfo follows
+    };
+
+    sp<ABuffer> csd = new ABuffer(sizeof(kStaticESDS) + config->size());
+    uint8_t *dst = csd->data();
+    *dst++ = 0x03;
+    *dst++ = 20 + config->size();
+    *dst++ = 0x00;  // ES_ID
+    *dst++ = 0x00;
+    *dst++ = 0x00;  // streamDependenceFlag, URL_Flag, OCRstreamFlag
+    *dst++ = 0x04;
+    *dst++ = 15 + config->size();
+    *dst++ = objectType;
+    for (int i = 0; i < 12; ++i) { *dst++ = 0x00; }
+    *dst++ = 0x05;
+    *dst++ = config->size();
+    memcpy(dst, config->data(), config->size());
+
+    // hexdump(csd->data(), csd->size());
+
+    return csd;
+}
+
 static size_t GetSizeWidth(size_t x) {
     size_t n = 1;
     while (x > 127) {
@@ -560,6 +619,30 @@
 
         mFormat->setInt32(kKeyWidth, width);
         mFormat->setInt32(kKeyHeight, height);
+    } else if (!strncmp(desc.c_str(), "mpeg4-generic/", 14)) {
+        AString val;
+        if (!GetAttribute(params.c_str(), "mode", &val)
+                || (strcasecmp(val.c_str(), "AAC-lbr")
+                    && strcasecmp(val.c_str(), "AAC-hbr"))) {
+            mInitCheck = ERROR_UNSUPPORTED;
+            return;
+        }
+
+        mFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
+
+        int32_t sampleRate, numChannels;
+        ASessionDescription::ParseFormatDesc(
+                desc.c_str(), &sampleRate, &numChannels);
+
+        mFormat->setInt32(kKeySampleRate, sampleRate);
+        mFormat->setInt32(kKeyChannelCount, numChannels);
+
+        sp<ABuffer> codecSpecificData =
+            MakeAACCodecSpecificData2(params.c_str());
+
+        mFormat->setData(
+                kKeyESDS, 0,
+                codecSpecificData->data(), codecSpecificData->size());
     } else {
         mInitCheck = ERROR_UNSUPPORTED;
     }
@@ -663,4 +746,27 @@
     mNormalPlayTimeBaseUs = normalPlayTimeUs;
 }
 
+int64_t APacketSource::getQueueDurationUs(bool *eos) {
+    Mutex::Autolock autoLock(mLock);
+
+    *eos = (mEOSResult != OK);
+
+    if (mBuffers.size() < 2) {
+        return 0;
+    }
+
+    const sp<ABuffer> first = *mBuffers.begin();
+    const sp<ABuffer> last = *--mBuffers.end();
+
+    int64_t firstTimeUs;
+    CHECK(first->meta()->findInt64("timeUs", &firstTimeUs));
+
+    int64_t lastTimeUs;
+    CHECK(last->meta()->findInt64("timeUs", &lastTimeUs));
+
+    CHECK_GE(lastTimeUs, firstTimeUs);
+
+    return lastTimeUs - firstTimeUs;
+}
+
 }  // namespace android
diff --git a/media/libstagefright/rtsp/APacketSource.h b/media/libstagefright/rtsp/APacketSource.h
index 3833ab1..076ddc4 100644
--- a/media/libstagefright/rtsp/APacketSource.h
+++ b/media/libstagefright/rtsp/APacketSource.h
@@ -50,6 +50,8 @@
     void setNormalPlayTimeMapping(
             uint32_t rtpTime, int64_t normalPlayTimeUs);
 
+    int64_t getQueueDurationUs(bool *eos);
+
 protected:
     virtual ~APacketSource();
 
diff --git a/media/libstagefright/rtsp/ARTPConnection.cpp b/media/libstagefright/rtsp/ARTPConnection.cpp
index 12f8f32..10c9e02 100644
--- a/media/libstagefright/rtsp/ARTPConnection.cpp
+++ b/media/libstagefright/rtsp/ARTPConnection.cpp
@@ -362,7 +362,6 @@
     if (receiveRTP) {
         err = parseRTP(s, buffer);
     } else {
-        ++s->mNumRTCPPacketsReceived;
         err = parseRTCP(s, buffer);
     }
 
@@ -456,6 +455,12 @@
 }
 
 status_t ARTPConnection::parseRTCP(StreamInfo *s, const sp<ABuffer> &buffer) {
+    if (s->mNumRTCPPacketsReceived++ == 0) {
+        sp<AMessage> notify = s->mNotifyMsg->dup();
+        notify->setInt32("first-rtcp", true);
+        notify->post();
+    }
+
     const uint8_t *data = buffer->data();
     size_t size = buffer->size();
 
@@ -626,7 +631,6 @@
     if (it->mRTPSocket == index) {
         err = parseRTP(s, buffer);
     } else {
-        ++s->mNumRTCPPacketsReceived;
         err = parseRTCP(s, buffer);
     }
 }
diff --git a/media/libstagefright/rtsp/ARTPSession.cpp b/media/libstagefright/rtsp/ARTPSession.cpp
index f60c1a9..8ce93b7 100644
--- a/media/libstagefright/rtsp/ARTPSession.cpp
+++ b/media/libstagefright/rtsp/ARTPSession.cpp
@@ -125,6 +125,14 @@
     switch (msg->what()) {
         case kWhatAccessUnitComplete:
         {
+            int32_t firstRTCP;
+            if (msg->findInt32("first-rtcp", &firstRTCP)) {
+                // There won't be an access unit here, it's just a notification
+                // that the data communication worked since we got the first
+                // rtcp packet.
+                break;
+            }
+
             size_t trackIndex;
             CHECK(msg->findSize("track-index", &trackIndex));
 
diff --git a/media/libstagefright/rtsp/ARTPSource.cpp b/media/libstagefright/rtsp/ARTPSource.cpp
index 775c4ee..9656ba2 100644
--- a/media/libstagefright/rtsp/ARTPSource.cpp
+++ b/media/libstagefright/rtsp/ARTPSource.cpp
@@ -64,8 +64,9 @@
         mAssembler = new AAMRAssembler(notify, false /* isWide */, params);
     } else  if (!strncmp(desc.c_str(), "AMR-WB/", 7)) {
         mAssembler = new AAMRAssembler(notify, true /* isWide */, params);
-    } else if (!strncmp(desc.c_str(), "MP4V-ES/", 8)) {
-        mAssembler = new AMPEG4ElementaryAssembler(notify);
+    } else if (!strncmp(desc.c_str(), "MP4V-ES/", 8)
+            || !strncmp(desc.c_str(), "mpeg4-generic/", 14)) {
+        mAssembler = new AMPEG4ElementaryAssembler(notify, desc, params);
         mIssueFIRRequests = true;
     } else {
         TRESPASS();
diff --git a/media/libstagefright/rtsp/ARTSPController.cpp b/media/libstagefright/rtsp/ARTSPController.cpp
index a89946b..4c53639 100644
--- a/media/libstagefright/rtsp/ARTSPController.cpp
+++ b/media/libstagefright/rtsp/ARTSPController.cpp
@@ -143,4 +143,26 @@
     return mHandler->getNormalPlayTimeUs();
 }
 
+int64_t ARTSPController::getQueueDurationUs(bool *eos) {
+    *eos = true;
+
+    int64_t minQueuedDurationUs = 0;
+    for (size_t i = 0; i < mHandler->countTracks(); ++i) {
+        sp<APacketSource> source = mHandler->getPacketSource(i);
+
+        bool newEOS;
+        int64_t queuedDurationUs = source->getQueueDurationUs(&newEOS);
+
+        if (!newEOS) {
+            *eos = false;
+        }
+
+        if (i == 0 || queuedDurationUs < minQueuedDurationUs) {
+            minQueuedDurationUs = queuedDurationUs;
+        }
+    }
+
+    return minQueuedDurationUs;
+}
+
 }  // namespace android
diff --git a/media/libstagefright/rtsp/MyHandler.h b/media/libstagefright/rtsp/MyHandler.h
index 3d8d86b..0aefd58 100644
--- a/media/libstagefright/rtsp/MyHandler.h
+++ b/media/libstagefright/rtsp/MyHandler.h
@@ -82,7 +82,8 @@
           mFirstAccessUnitNTP(0),
           mNumAccessUnitsReceived(0),
           mCheckPending(false),
-          mTryTCPInterleaving(false) {
+          mTryTCPInterleaving(false),
+          mReceivedFirstRTCPPacket(false) {
         mNetLooper->setName("rtsp net");
         mNetLooper->start(false /* runOnCallingThread */,
                           false /* canCallJava */,
@@ -199,31 +200,35 @@
                         break;
                     }
 
-                    CHECK_EQ(response->mStatusCode, 200u);
-
-                    mSessionDesc = new ASessionDescription;
-
-                    mSessionDesc->setTo(
-                            response->mContent->data(),
-                            response->mContent->size());
-
-                    CHECK(mSessionDesc->isValid());
-
-                    ssize_t i = response->mHeaders.indexOfKey("content-base");
-                    if (i >= 0) {
-                        mBaseURL = response->mHeaders.valueAt(i);
+                    if (response->mStatusCode != 200) {
+                        result = UNKNOWN_ERROR;
                     } else {
-                        i = response->mHeaders.indexOfKey("content-location");
+                        mSessionDesc = new ASessionDescription;
+
+                        mSessionDesc->setTo(
+                                response->mContent->data(),
+                                response->mContent->size());
+
+                        CHECK(mSessionDesc->isValid());
+
+                        ssize_t i = response->mHeaders.indexOfKey("content-base");
                         if (i >= 0) {
                             mBaseURL = response->mHeaders.valueAt(i);
                         } else {
-                            mBaseURL = mSessionURL;
+                            i = response->mHeaders.indexOfKey("content-location");
+                            if (i >= 0) {
+                                mBaseURL = response->mHeaders.valueAt(i);
+                            } else {
+                                mBaseURL = mSessionURL;
+                            }
                         }
-                    }
 
-                    CHECK_GT(mSessionDesc->countTracks(), 1u);
-                    setupTrack(1);
-                } else {
+                        CHECK_GT(mSessionDesc->countTracks(), 1u);
+                        setupTrack(1);
+                    }
+                }
+
+                if (result != OK) {
                     sp<AMessage> reply = new AMessage('disc', id());
                     mConn->disconnect(reply);
                 }
@@ -247,6 +252,39 @@
                 LOG(INFO) << "SETUP(" << index << ") completed with result "
                      << result << " (" << strerror(-result) << ")";
 
+                if (result == OK) {
+                    CHECK(track != NULL);
+
+                    sp<RefBase> obj;
+                    CHECK(msg->findObject("response", &obj));
+                    sp<ARTSPResponse> response =
+                        static_cast<ARTSPResponse *>(obj.get());
+
+                    if (response->mStatusCode != 200) {
+                        result = UNKNOWN_ERROR;
+                    } else {
+                        ssize_t i = response->mHeaders.indexOfKey("session");
+                        CHECK_GE(i, 0);
+
+                        mSessionID = response->mHeaders.valueAt(i);
+                        i = mSessionID.find(";");
+                        if (i >= 0) {
+                            // Remove options, i.e. ";timeout=90"
+                            mSessionID.erase(i, mSessionID.size() - i);
+                        }
+
+                        sp<AMessage> notify = new AMessage('accu', id());
+                        notify->setSize("track-index", trackIndex);
+
+                        mRTPConn->addStream(
+                                track->mRTPSocket, track->mRTCPSocket,
+                                mSessionDesc, index,
+                                notify, track->mUsingInterleavedTCP);
+
+                        mSetupTracksSuccessful = true;
+                    }
+                }
+
                 if (result != OK) {
                     if (track) {
                         if (!track->mUsingInterleavedTCP) {
@@ -256,37 +294,6 @@
 
                         mTracks.removeItemsAt(trackIndex);
                     }
-                } else {
-                    CHECK(track != NULL);
-
-                    sp<RefBase> obj;
-                    CHECK(msg->findObject("response", &obj));
-                    sp<ARTSPResponse> response =
-                        static_cast<ARTSPResponse *>(obj.get());
-
-                    CHECK_EQ(response->mStatusCode, 200u);
-
-                    ssize_t i = response->mHeaders.indexOfKey("session");
-                    CHECK_GE(i, 0);
-
-                    if (index == 1) {
-                        mSessionID = response->mHeaders.valueAt(i);
-                        i = mSessionID.find(";");
-                        if (i >= 0) {
-                            // Remove options, i.e. ";timeout=90"
-                            mSessionID.erase(i, mSessionID.size() - i);
-                        }
-                    }
-
-                    sp<AMessage> notify = new AMessage('accu', id());
-                    notify->setSize("track-index", trackIndex);
-
-                    mRTPConn->addStream(
-                            track->mRTPSocket, track->mRTCPSocket,
-                            mSessionDesc, index,
-                            notify, track->mUsingInterleavedTCP);
-
-                    mSetupTracksSuccessful = true;
                 }
 
                 ++index;
@@ -355,6 +362,12 @@
                     }
                 }
                 mTracks.clear();
+                mSetupTracksSuccessful = false;
+                mSeekPending = false;
+                mFirstAccessUnit = true;
+                mFirstAccessUnitNTP = 0;
+                mNumAccessUnitsReceived = 0;
+                mReceivedFirstRTCPPacket = false;
 
                 sp<AMessage> reply = new AMessage('tear', id());
 
@@ -424,6 +437,12 @@
 
             case 'accu':
             {
+                int32_t firstRTCP;
+                if (msg->findInt32("first-rtcp", &firstRTCP)) {
+                    mReceivedFirstRTCPPacket = true;
+                    break;
+                }
+
                 ++mNumAccessUnitsReceived;
 
                 if (!mCheckPending) {
@@ -612,7 +631,7 @@
 
             case 'tiou':
             {
-                if (mFirstAccessUnit) {
+                if (!mReceivedFirstRTCPPacket) {
                     if (mTryTCPInterleaving) {
                         LOG(WARNING) << "Never received any data, disconnecting.";
                         (new AMessage('abor', id()))->post();
@@ -747,6 +766,7 @@
     int64_t mNumAccessUnitsReceived;
     bool mCheckPending;
     bool mTryTCPInterleaving;
+    bool mReceivedFirstRTCPPacket;
 
     struct TrackInfo {
         AString mURL;
diff --git a/media/mtp/MtpDatabase.h b/media/mtp/MtpDatabase.h
index 899b34a..c8cb016 100644
--- a/media/mtp/MtpDatabase.h
+++ b/media/mtp/MtpDatabase.h
@@ -93,6 +93,10 @@
                                             MtpObjectFormat format) = 0;
 
     virtual MtpProperty*            getDevicePropertyDesc(MtpDeviceProperty property) = 0;
+
+    virtual void                    sessionStarted() = 0;
+
+    virtual void                    sessionEnded() = 0;
 };
 
 }; // namespace android
diff --git a/media/mtp/MtpDevice.cpp b/media/mtp/MtpDevice.cpp
index bd68f75..fca0142 100644
--- a/media/mtp/MtpDevice.cpp
+++ b/media/mtp/MtpDevice.cpp
@@ -342,7 +342,7 @@
     MtpResponseCode ret = readResponse();
     if (ret == MTP_RESPONSE_OK) {
         MtpProperty* property = new MtpProperty;
-        property->read(mData, true);
+        property->read(mData);
         return property;
     }
     return NULL;
diff --git a/media/mtp/MtpProperty.cpp b/media/mtp/MtpProperty.cpp
index 932ad6a..c7a91d6 100644
--- a/media/mtp/MtpProperty.cpp
+++ b/media/mtp/MtpProperty.cpp
@@ -120,7 +120,7 @@
     delete[] mEnumValues;
 }
 
-void MtpProperty::read(MtpDataPacket& packet, bool deviceProp) {
+void MtpProperty::read(MtpDataPacket& packet) {
 
     mCode = packet.getUInt16();
     mType = packet.getUInt16();
@@ -141,7 +141,7 @@
             break;
         default:
             readValue(packet, mDefaultValue);
-            if (deviceProp)
+            if (isDeviceProperty())
                 readValue(packet, mCurrentValue);
     }
     mGroupCode = packet.getUInt32();
@@ -159,7 +159,6 @@
     }
 }
 
-// FIXME - only works for object properties
 void MtpProperty::write(MtpDataPacket& packet) {
     packet.putUInt16(mCode);
     packet.putUInt16(mType);
diff --git a/media/mtp/MtpProperty.h b/media/mtp/MtpProperty.h
index c5b4e28..64cfb93 100644
--- a/media/mtp/MtpProperty.h
+++ b/media/mtp/MtpProperty.h
@@ -65,16 +65,22 @@
 
     inline MtpPropertyCode getPropertyCode() const { return mCode; }
 
-    void                read(MtpDataPacket& packet, bool deviceProp);
+    void                read(MtpDataPacket& packet);
     void                write(MtpDataPacket& packet);
 
     void                print();
 
+    inline bool         isDeviceProperty() const {
+                            return (   ((mCode & 0xF000) == 0x5000)
+                                    || ((mCode & 0xF800) == 0xD000));
+                        }
+
 private:
     void                readValue(MtpDataPacket& packet, MtpPropertyValue& value);
     void                writeValue(MtpDataPacket& packet, MtpPropertyValue& value);
     MtpPropertyValue*   readArrayValues(MtpDataPacket& packet, int& length);
-    void                writeArrayValues(MtpDataPacket& packet, MtpPropertyValue* values, int length);
+    void                writeArrayValues(MtpDataPacket& packet,
+                                            MtpPropertyValue* values, int length);
 };
 
 }; // namespace android
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index 1e64e4f..3d3bd62 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -55,7 +55,7 @@
 //    MTP_OPERATION_SELF_TEST,
 //    MTP_OPERATION_SET_OBJECT_PROTECTION,
 //    MTP_OPERATION_POWER_DOWN,
-//    MTP_OPERATION_GET_DEVICE_PROP_DESC,
+    MTP_OPERATION_GET_DEVICE_PROP_DESC,
     MTP_OPERATION_GET_DEVICE_PROP_VALUE,
     MTP_OPERATION_SET_DEVICE_PROP_VALUE,
     MTP_OPERATION_RESET_DEVICE_PROP_VALUE,
@@ -185,6 +185,9 @@
             LOGV("skipping response\n");
         }
     }
+
+    if (mSessionOpen)
+        mDatabase->sessionEnded();
 }
 
 void MtpServer::sendObjectAdded(MtpObjectHandle handle) {
@@ -285,6 +288,9 @@
         case MTP_OPERATION_GET_OBJECT_PROP_DESC:
             response = doGetObjectPropDesc();
             break;
+        case MTP_OPERATION_GET_DEVICE_PROP_DESC:
+            response = doGetDevicePropDesc();
+            break;
         default:
             response = MTP_RESPONSE_OPERATION_NOT_SUPPORTED;
             break;
@@ -346,6 +352,9 @@
     }
     mSessionID = mRequest.getParameter(1);
     mSessionOpen = true;
+
+    mDatabase->sessionStarted();
+
     return MTP_RESPONSE_OK;
 }
 
@@ -354,6 +363,7 @@
         return MTP_RESPONSE_SESSION_NOT_OPEN;
     mSessionID = 0;
     mSessionOpen = false;
+    mDatabase->sessionEnded();
     return MTP_RESPONSE_OK;
 }
 
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index ff31470..3770b55 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1781,6 +1781,14 @@
                 if (chain != 0 && chain->setVolume_l(&vl, &vr)) {
                     // Do not ramp volume is volume is controlled by effect
                     param = AudioMixer::VOLUME;
+                    track->mHasVolumeController = true;
+                } else {
+                    // force no volume ramp when volume controller was just disabled or removed
+                    // from effect chain to avoid volume spike
+                    if (track->mHasVolumeController) {
+                        param = AudioMixer::VOLUME;
+                    }
+                    track->mHasVolumeController = false;
                 }
 
                 // Convert volumes from 8.24 to 4.12 format
@@ -2901,7 +2909,8 @@
             const sp<IMemory>& sharedBuffer,
             int sessionId)
     :   TrackBase(thread, client, sampleRate, format, channelCount, frameCount, 0, sharedBuffer, sessionId),
-    mMute(false), mSharedBuffer(sharedBuffer), mName(-1), mMainBuffer(NULL), mAuxBuffer(NULL), mAuxEffectId(0)
+    mMute(false), mSharedBuffer(sharedBuffer), mName(-1), mMainBuffer(NULL), mAuxBuffer(NULL),
+    mAuxEffectId(0), mHasVolumeController(false)
 {
     if (mCblk != NULL) {
         sp<ThreadBase> baseThread = thread.promote();
@@ -5371,7 +5380,7 @@
         return;
     }
 
-    if (mState == ACTIVE || mState == STOPPING || mState == STOPPED || mState == RESTART) {
+    if (isProcessEnabled()) {
         // do 32 bit to 16 bit conversion for auxiliary effect input buffer
         if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) {
             AudioMixer::ditherAndClamp(mConfig.inputCfg.buffer.s32,
@@ -5600,6 +5609,8 @@
 
         // going from enabled to disabled
         case RESTART:
+            mState = STOPPED;
+            break;
         case STARTING:
             mState = IDLE;
             break;
@@ -5632,6 +5643,21 @@
     }
 }
 
+bool AudioFlinger::EffectModule::isProcessEnabled()
+{
+    switch (mState) {
+    case RESTART:
+    case ACTIVE:
+    case STOPPING:
+    case STOPPED:
+        return true;
+    case IDLE:
+    case STARTING:
+    default:
+        return false;
+    }
+}
+
 status_t AudioFlinger::EffectModule::setVolume(uint32_t *left, uint32_t *right, bool controller)
 {
     Mutex::Autolock _l(mLock);
@@ -5639,7 +5665,7 @@
 
     // Send volume indication if EFFECT_FLAG_VOLUME_IND is set and read back altered volume
     // if controller flag is set (Note that controller == TRUE => EFFECT_FLAG_VOLUME_CTRL set)
-    if ((mState >= ACTIVE) &&
+    if (isProcessEnabled() &&
             ((mDescriptor.flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_CTRL ||
             (mDescriptor.flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_IND)) {
         status_t cmdStatus;
@@ -5966,12 +5992,14 @@
                                             p,
                                             &rsize,
                                             &reply);
-            if (ret == NO_ERROR) {
-                if (reply != NO_ERROR) {
-                    status = reply;
-                }
-            } else {
+            // stop at first error encountered
+            if (ret != NO_ERROR) {
                 status = ret;
+                *(int *)pReplyData = reply;
+                break;
+            } else if (reply != NO_ERROR) {
+                *(int *)pReplyData = reply;
+                break;
             }
             mCblk->serverIndex += size;
         }
@@ -5979,8 +6007,10 @@
         mCblk->clientIndex = 0;
         return status;
     } else if (cmdCode == EFFECT_CMD_ENABLE) {
+        *(int *)pReplyData = NO_ERROR;
         return enable();
     } else if (cmdCode == EFFECT_CMD_DISABLE) {
+        *(int *)pReplyData = NO_ERROR;
         return disable();
     }
 
@@ -6288,7 +6318,7 @@
 
     // first update volume controller
     for (size_t i = size; i > 0; i--) {
-        if ((mEffects[i - 1]->state() >= EffectModule::ACTIVE) &&
+        if (mEffects[i - 1]->isProcessEnabled() &&
             (mEffects[i - 1]->desc().flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_CTRL) {
             ctrlIdx = i - 1;
             hasControl = true;
@@ -6304,9 +6334,6 @@
         return hasControl;
     }
 
-    if (mVolumeCtrlIdx != -1) {
-        hasControl = true;
-    }
     mVolumeCtrlIdx = ctrlIdx;
     mLeftVolume = newLeft;
     mRightVolume = newRight;
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 51881f0..5917632 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -514,6 +514,7 @@
             int16_t             *mMainBuffer;
             int32_t             *mAuxBuffer;
             int                 mAuxEffectId;
+            bool                mHasVolumeController;
         };  // end of Track
 
 
@@ -965,6 +966,7 @@
         }
         status_t    setEnabled(bool enabled);
         bool isEnabled();
+        bool isProcessEnabled();
 
         void        setInBuffer(int16_t *buffer) { mConfig.inputCfg.buffer.s16 = buffer; }
         int16_t     *inBuffer() { return mConfig.inputCfg.buffer.s16; }
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index c6a9909..e5889bf 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -336,11 +336,6 @@
     int callingPid = getCallingPid();
     LOG1("Client::~Client E (pid %d, this %p)", callingPid, this);
 
-    // Clean up the ANativeWindow
-    if (mSurface != 0) {
-        setPreviewDisplay(0);
-    }
-
     // set mClientPid to let disconnet() tear down the hardware
     mClientPid = callingPid;
     disconnect();
@@ -572,16 +567,10 @@
     if (checkPidAndHardware() != NO_ERROR) return;
 
     mPreviewCallbackFlag = callback_flag;
-
-    // If we don't use overlay, we always need the preview frame for display.
-    // If we do use overlay, we only need the preview frame if the user
-    // wants the data.
-    if (mUseOverlay) {
-        if(mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK) {
-            enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        } else {
-            disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        }
+    if (mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK) {
+        enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
+    } else {
+        disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
     }
 }
 
@@ -641,7 +630,6 @@
     } else {
         // XXX: Set the orientation of the ANativeWindow.
         mHardware->setPreviewWindow(mPreviewWindow);
-        enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
         result = mHardware->startPreview();
     }
     return result;
@@ -1030,9 +1018,7 @@
         mPreviewCallbackFlag &= ~(FRAME_CALLBACK_FLAG_ONE_SHOT_MASK |
                                   FRAME_CALLBACK_FLAG_COPY_OUT_MASK |
                                   FRAME_CALLBACK_FLAG_ENABLE_MASK);
-        if (mUseOverlay) {
-            disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
-        }
+        disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
     }
 
     if (c != 0) {