Provisional support for secure decryption of media streams.
Change-Id: Ib3982a9c960bfdb0cb7e1b174440b141b194cfbe
diff --git a/media/libmediaplayerservice/Android.mk b/media/libmediaplayerservice/Android.mk
index 4c6e0bd..675c563 100644
--- a/media/libmediaplayerservice/Android.mk
+++ b/media/libmediaplayerservice/Android.mk
@@ -7,6 +7,7 @@
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
+ Crypto.cpp \
MediaRecorderClient.cpp \
MediaPlayerService.cpp \
MetadataRetrieverClient.cpp \
@@ -42,7 +43,7 @@
$(TOP)/frameworks/base/media/libstagefright/include \
$(TOP)/frameworks/base/media/libstagefright/rtsp \
$(TOP)/frameworks/native/include/media/openmax \
- $(TOP)/external/tremolo/Tremolo
+ $(TOP)/external/tremolo/Tremolo \
LOCAL_MODULE:= libmediaplayerservice
diff --git a/media/libmediaplayerservice/Crypto.cpp b/media/libmediaplayerservice/Crypto.cpp
new file mode 100644
index 0000000..e02035f
--- /dev/null
+++ b/media/libmediaplayerservice/Crypto.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2012 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 "Crypto"
+#include <utils/Log.h>
+
+#include "Crypto.h"
+
+#include <media/stagefright/MediaErrors.h>
+
+namespace android {
+
+Crypto::Crypto() {
+}
+
+Crypto::~Crypto() {
+}
+
+status_t Crypto::initialize() {
+ return ERROR_UNSUPPORTED;
+}
+
+status_t Crypto::terminate() {
+ return ERROR_UNSUPPORTED;
+}
+
+status_t Crypto::setEntitlementKey(
+ const void *key, size_t keyLength) {
+ return ERROR_UNSUPPORTED;
+}
+
+status_t Crypto::setEntitlementControlMessage(
+ const void *msg, size_t msgLength) {
+ return ERROR_UNSUPPORTED;
+}
+
+ssize_t Crypto::decryptVideo(
+ const void *iv, size_t ivLength,
+ const void *srcData, size_t srcDataSize,
+ void *dstData, size_t dstDataOffset) {
+ return ERROR_UNSUPPORTED;
+}
+
+ssize_t Crypto::decryptAudio(
+ const void *iv, size_t ivLength,
+ const void *srcData, size_t srcDataSize,
+ void *dstData, size_t dstDataSize) {
+ return ERROR_UNSUPPORTED;
+}
+
+} // namespace android
diff --git a/media/libmediaplayerservice/Crypto.h b/media/libmediaplayerservice/Crypto.h
new file mode 100644
index 0000000..9855496
--- /dev/null
+++ b/media/libmediaplayerservice/Crypto.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2012 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 CRYPTO_H_
+
+#define CRYPTO_H_
+
+#include <media/ICrypto.h>
+#include <utils/threads.h>
+
+namespace android {
+
+struct Crypto : public BnCrypto {
+ Crypto();
+
+ virtual status_t initialize();
+ virtual status_t terminate();
+
+ virtual status_t setEntitlementKey(
+ const void *key, size_t keyLength);
+
+ virtual status_t setEntitlementControlMessage(
+ const void *msg, size_t msgLength);
+
+ virtual ssize_t decryptVideo(
+ const void *iv, size_t ivLength,
+ const void *srcData, size_t srcDataSize,
+ void *dstData, size_t dstDataOffset);
+
+ virtual ssize_t decryptAudio(
+ const void *iv, size_t ivLength,
+ const void *srcData, size_t srcDataSize,
+ void *dstData, size_t dstDataSize);
+
+protected:
+ virtual ~Crypto();
+
+private:
+ DISALLOW_EVIL_CONSTRUCTORS(Crypto);
+};
+
+} // namespace android
+
+#endif // CRYPTO_H_
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 840e475..123d07f 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -70,6 +70,8 @@
#include <OMX.h>
+#include "Crypto.h"
+
namespace android {
sp<MediaPlayerBase> createAAH_TXPlayer();
sp<MediaPlayerBase> createAAH_RXPlayer();
@@ -292,6 +294,16 @@
return mOMX;
}
+sp<ICrypto> MediaPlayerService::makeCrypto() {
+ Mutex::Autolock autoLock(mLock);
+
+ if (mCrypto == NULL) {
+ mCrypto = new Crypto;
+ }
+
+ return mCrypto;
+}
+
status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const
{
const size_t SIZE = 256;
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index d4e0eb1..b08dd6c 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -240,6 +240,7 @@
virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat);
virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat);
virtual sp<IOMX> getOMX();
+ virtual sp<ICrypto> makeCrypto();
virtual status_t dump(int fd, const Vector<String16>& args);
@@ -419,6 +420,7 @@
SortedVector< wp<MediaRecorderClient> > mMediaRecorderClients;
int32_t mNextConnId;
sp<IOMX> mOMX;
+ sp<ICrypto> mCrypto;
};
// ----------------------------------------------------------------------------
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
index 1600141..5733229 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
@@ -125,6 +125,11 @@
msg->setInt32("channel-count", numChannels);
msg->setInt32("sample-rate", sampleRate);
+
+ int32_t isADTS;
+ if (meta->findInt32(kKeyIsADTS, &isADTS) && isADTS != 0) {
+ msg->setInt32("is-adts", true);
+ }
}
int32_t maxInputSize;