WIP: MediaCodec and friends NDK APIs, plain C version
Change-Id: I9ed6b9c5afb026a1b5fe8b652e75635bbcc223df
diff --git a/include/ndk/NdkMediaCodec.h b/include/ndk/NdkMediaCodec.h
new file mode 100644
index 0000000..5067073
--- /dev/null
+++ b/include/ndk/NdkMediaCodec.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_CODEC_H
+#define _NDK_MEDIA_CODEC_H
+
+#include <android/native_window.h>
+
+#include "NdkMediaFormat.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+struct AMediaCodec;
+typedef struct AMediaCodec AMediaCodec;
+
+struct AMediaCodecBufferInfo {
+ int32_t offset;
+ int32_t size;
+ int64_t presentationTimeUs;
+ uint32_t flags;
+};
+typedef struct AMediaCodecBufferInfo AMediaCodecBufferInfo;
+
+enum {
+ AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM = 4,
+ AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED = -3,
+ AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED = -2,
+ AMEDIACODEC_INFO_TRY_AGAIN_LATER = -1
+};
+
+
+/**
+ * Create decoder by name. Use this if you know the exact codec you want to use.
+ */
+AMediaCodec* AMediaCodec_createByCodecName(const char *name);
+
+/**
+ * Create codec by mime type. Most applications will use this, specifying a
+ * mime type obtained from media extractor.
+ */
+AMediaCodec* AMediaCodec_createByCodecType(const char *mime_type);
+
+/**
+ * Create encoder by name.
+ */
+AMediaCodec* AMediaCodec_createEncoderByName(const char *name);
+
+/**
+ * delete the codec and free its resources
+ */
+int AMediaCodec_delete(AMediaCodec*);
+
+/**
+ * Configure the codec. For decoding you would typically get the format from an extractor.
+ */
+int AMediaCodec_configure(AMediaCodec*, AMediaFormat *format, ANativeWindow* surface); // TODO: other args
+
+/**
+ * Start the codec. A codec must be configured before it can be started, and must be started
+ * before buffers can be sent to it.
+ */
+int AMediaCodec_start(AMediaCodec*);
+
+/**
+ * Stop the codec.
+ */
+int AMediaCodec_stop(AMediaCodec*);
+
+/*
+ * Flush the codec's input and output. All indices previously returned from calls to
+ * AMediaCodec_dequeueInputBuffer and AMediaCodec_dequeueOutputBuffer become invalid.
+ */
+int AMediaCodec_flush(AMediaCodec*);
+
+/**
+ * Get an input buffer. The specified buffer index must have been previously obtained from
+ * dequeueInputBuffer, and not yet queued.
+ */
+uint8_t* AMediaCodec_getInputBuffer(AMediaCodec*, size_t idx, size_t *out_size);
+
+/**
+ * Get an output buffer. The specified buffer index must have been previously obtained from
+ * dequeueOutputBuffer, and not yet queued.
+ */
+uint8_t* AMediaCodec_getOutputBuffer(AMediaCodec*, size_t idx, size_t *out_size);
+
+/**
+ * Get the index of the next available input buffer. An app will typically use this with
+ * getInputBuffer() to get a pointer to the buffer, then copy the data to be encoded or decoded
+ * into the buffer before passing it to the codec.
+ */
+ssize_t AMediaCodec_dequeueInputBuffer(AMediaCodec*, int64_t timeoutUs);
+
+/**
+ * Send the specified buffer to the codec for processing.
+ */
+int AMediaCodec_queueInputBuffer(AMediaCodec*,
+ size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags);
+
+/**
+ * Get the index of the next available buffer of processed data.
+ */
+ssize_t AMediaCodec_dequeueOutputBuffer(AMediaCodec*, AMediaCodecBufferInfo *info, int64_t timeoutUs);
+AMediaFormat* AMediaCodec_getOutputFormat(AMediaCodec*);
+
+/**
+ * Release and optionally render the specified buffer.
+ */
+int AMediaCodec_releaseOutputBuffer(AMediaCodec*, size_t idx, bool render);
+
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif //_NDK_MEDIA_CODEC_H
diff --git a/include/ndk/NdkMediaExtractor.h b/include/ndk/NdkMediaExtractor.h
new file mode 100644
index 0000000..a7c32c4
--- /dev/null
+++ b/include/ndk/NdkMediaExtractor.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_EXTRACTOR_H
+#define _NDK_MEDIA_EXTRACTOR_H
+
+#include <sys/types.h>
+
+#include "NdkMediaFormat.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AMediaExtractor;
+typedef struct AMediaExtractor AMediaExtractor;
+
+
+/**
+ * Create new media extractor
+ */
+AMediaExtractor* AMediaExtractor_new();
+
+/**
+ * Delete a previously created media extractor
+ */
+int AMediaExtractor_delete(AMediaExtractor*);
+
+/**
+ * Set the file descriptor from which the extractor will read.
+ */
+int AMediaExtractor_setDataSourceFd(AMediaExtractor*, int fd, off64_t offset, off64_t length);
+
+/**
+ * Set the URI from which the extractor will read.
+ */
+int AMediaExtractor_setDataSource(AMediaExtractor*, const char *location); // TODO support headers
+
+/**
+ * Return the number of tracks in the previously specified media file
+ */
+int AMediaExtractor_getTrackCount(AMediaExtractor*);
+
+/**
+ * Return the format of the specified track. The caller must free the returned format
+ */
+AMediaFormat* AMediaExtractor_getTrackFormat(AMediaExtractor*, size_t idx);
+
+/**
+ * Select the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+ * getSampleTime only retrieve information for the subset of tracks selected.
+ * Selecting the same track multiple times has no effect, the track is
+ * only selected once.
+ */
+int AMediaExtractor_selectTrack(AMediaExtractor*, size_t idx);
+
+/**
+ * Unselect the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+ * getSampleTime only retrieve information for the subset of tracks selected..
+ */
+int AMediaExtractor_unselectTrack(AMediaExtractor*, size_t idx);
+
+/**
+ * Read the current sample.
+ */
+int AMediaExtractor_readSampleData(AMediaExtractor*, uint8_t *buffer, size_t capacity);
+
+/**
+ * Read the current sample's flags.
+ */
+int AMediaExtractor_getSampleFlags(AMediaExtractor*); // see definitions below
+
+/**
+ * Returns the track index the current sample originates from (or -1
+ * if no more samples are available)
+ */
+int AMediaExtractor_getSampleTrackIndex(AMediaExtractor*);
+
+/**
+ * Returns the current sample's presentation time in microseconds.
+ * or -1 if no more samples are available.
+ */
+int64_t AMediaExtractor_getSampletime(AMediaExtractor*);
+
+/**
+ * Advance to the next sample. Returns false if no more sample data
+ * is available (end of stream).
+ */
+bool AMediaExtractor_advance(AMediaExtractor*);
+
+enum {
+ AMEDIAEXTRACTOR_SAMPLE_FLAG_SYNC = 1,
+ AMEDIAEXTRACTOR_SAMPLE_FLAG_ENCRYPTED = 2,
+};
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _NDK_MEDIA_EXTRACTOR_H
diff --git a/include/ndk/NdkMediaFormat.h b/include/ndk/NdkMediaFormat.h
new file mode 100644
index 0000000..16f4348
--- /dev/null
+++ b/include/ndk/NdkMediaFormat.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_FORMAT_H
+#define _NDK_MEDIA_FORMAT_H
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AMediaFormat;
+typedef struct AMediaFormat AMediaFormat;
+
+AMediaFormat *AMediaFormat_new();
+int AMediaFormat_delete(AMediaFormat*);
+
+/**
+ * Debug string. Caller must free.
+ */
+const char* AMediaFormat_toString(AMediaFormat*);
+
+bool AMediaFormat_getInt32(AMediaFormat*, const char *name, int32_t *out);
+bool AMediaFormat_getInt64(AMediaFormat*, const char *name, int64_t *out);
+bool AMediaFormat_getFloat(AMediaFormat*, const char *name, float *out);
+bool AMediaFormat_getDouble(AMediaFormat*, const char *name, double *out);
+bool AMediaFormat_getSize(AMediaFormat*, const char *name, size_t *out);
+/**
+ * Caller must free the returned string
+ */
+bool AMediaFormat_getString(AMediaFormat*, const char *name, const char **out);
+
+/**
+ * XXX should these be ints/enums that we look up in a table as needed?
+ */
+extern const char* AMEDIAFORMAT_KEY_AAC_PROFILE;
+extern const char* AMEDIAFORMAT_KEY_BIT_RATE;
+extern const char* AMEDIAFORMAT_KEY_CHANNEL_COUNT;
+extern const char* AMEDIAFORMAT_KEY_CHANNEL_MASK;
+extern const char* AMEDIAFORMAT_KEY_COLOR_FORMAT;
+extern const char* AMEDIAFORMAT_KEY_DURATION;
+extern const char* AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL;
+extern const char* AMEDIAFORMAT_KEY_FRAME_RATE;
+extern const char* AMEDIAFORMAT_KEY_HEIGHT;
+extern const char* AMEDIAFORMAT_KEY_IS_ADTS;
+extern const char* AMEDIAFORMAT_KEY_IS_AUTOSELECT;
+extern const char* AMEDIAFORMAT_KEY_IS_DEFAULT;
+extern const char* AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE;
+extern const char* AMEDIAFORMAT_KEY_I_FRAME_INTERVAL;
+extern const char* AMEDIAFORMAT_KEY_LANGUAGE;
+extern const char* AMEDIAFORMAT_KEY_MAX_HEIGHT;
+extern const char* AMEDIAFORMAT_KEY_MAX_INPUT_SIZE;
+extern const char* AMEDIAFORMAT_KEY_MAX_WIDTH;
+extern const char* AMEDIAFORMAT_KEY_MIME;
+extern const char* AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP;
+extern const char* AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER;
+extern const char* AMEDIAFORMAT_KEY_SAMPLE_RATE;
+extern const char* AMEDIAFORMAT_KEY_WIDTH;
+extern const char* AMEDIAFORMAT_KEY_STRIDE;
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _NDK_MEDIA_FORMAT_H
diff --git a/media/ndk/Android.mk b/media/ndk/Android.mk
new file mode 100644
index 0000000..0ea0c3f
--- /dev/null
+++ b/media/ndk/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:= \
+ NdkMediaCodec.cpp \
+ NdkMediaExtractor.cpp \
+ NdkMediaFormat.cpp \
+
+LOCAL_MODULE:= libmediandk
+
+LOCAL_C_INCLUDES := \
+ bionic/libc/private \
+ frameworks/base/core/jni \
+ frameworks/av/include/ndk
+
+LOCAL_SHARED_LIBRARIES := \
+ libmedia \
+ libstagefright \
+ libstagefright_foundation \
+ liblog \
+ libutils \
+ libandroid_runtime \
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/media/ndk/NdkMediaCodec.cpp b/media/ndk/NdkMediaCodec.cpp
new file mode 100644
index 0000000..5412b9b
--- /dev/null
+++ b/media/ndk/NdkMediaCodec.cpp
@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 2014 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 "NdkMediaCodec"
+
+#include "NdkMediaCodec.h"
+#include "NdkMediaFormatPriv.h"
+
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+#include <gui/Surface.h>
+
+#include <media/ICrypto.h>
+#include <media/stagefright/foundation/ALooper.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/ABuffer.h>
+
+#include <media/stagefright/MediaCodec.h>
+#include <media/stagefright/MediaErrors.h>
+
+using namespace android;
+
+
+static int translate_error(status_t err) {
+ if (err == OK) {
+ return OK;
+ } else if (err == -EAGAIN) {
+ return AMEDIACODEC_INFO_TRY_AGAIN_LATER;
+ }
+ ALOGE("sf error code: %d", err);
+ return -1000;
+}
+
+
+class CodecHandler: public AHandler {
+public:
+ CodecHandler(sp<android::MediaCodec>);
+ virtual void onMessageReceived(const sp<AMessage> &msg);
+};
+
+CodecHandler::CodecHandler(sp<android::MediaCodec>) {
+
+}
+
+void CodecHandler::onMessageReceived(const sp<AMessage> &msg) {
+ ALOGI("handler got message %d", msg->what());
+}
+
+struct AMediaCodec {
+ sp<android::MediaCodec> mCodec;
+ sp<ALooper> mLooper;
+ sp<CodecHandler> mHandler;
+};
+
+extern "C" {
+
+static AMediaCodec * createAMediaCodec(const char *name, bool name_is_type, bool encoder) {
+ AMediaCodec *mData = new AMediaCodec();
+ mData->mLooper = new ALooper;
+ mData->mLooper->setName("NDK MediaCodec_looper");
+ status_t ret = mData->mLooper->start(
+ false, // runOnCallingThread
+ true, // canCallJava XXX
+ PRIORITY_FOREGROUND);
+ ALOGV("looper start: %d", ret);
+ if (name_is_type) {
+ mData->mCodec = android::MediaCodec::CreateByType(mData->mLooper, name, encoder);
+ } else {
+ mData->mCodec = android::MediaCodec::CreateByComponentName(mData->mLooper, name);
+ }
+ mData->mHandler = new CodecHandler(mData->mCodec);
+ mData->mLooper->registerHandler(mData->mHandler);
+ return mData;
+}
+
+
+AMediaCodec* AMediaCodec_createByCodecName(const char *name) {
+ return createAMediaCodec(name, false, false);
+}
+
+AMediaCodec* AMediaCodec_createByCodecType(const char *mime_type) {
+ return createAMediaCodec(mime_type, true, false);
+}
+
+AMediaCodec* AMediaCodec_createEncoderByName(const char *name) {
+ return createAMediaCodec(name, false, true);
+}
+
+int AMediaCodec_delete(AMediaCodec *mData) {
+ if (mData->mCodec != NULL) {
+ mData->mCodec->release();
+ mData->mCodec.clear();
+ }
+
+ if (mData->mLooper != NULL) {
+ mData->mLooper->unregisterHandler(mData->mHandler->id());
+ mData->mLooper->stop();
+ mData->mLooper.clear();
+ }
+ delete mData;
+ return OK;
+}
+
+int AMediaCodec_configure(AMediaCodec *mData, AMediaFormat *format, ANativeWindow* window) {
+ sp<AMessage> nativeFormat;
+ AMediaFormat_getFormat(format, &nativeFormat);
+ ALOGV("configure with format: %s", nativeFormat->debugString(0).c_str());
+ sp<Surface> surface = NULL;
+ if (window != NULL) {
+ surface = (Surface*) window;
+ }
+
+ return translate_error(mData->mCodec->configure(nativeFormat, surface, NULL, 0));
+}
+
+int AMediaCodec_start(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->start());
+}
+
+int AMediaCodec_stop(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->stop());
+}
+
+int AMediaCodec_flush(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->flush());
+}
+
+ssize_t AMediaCodec_dequeueInputBuffer(AMediaCodec *mData, int64_t timeoutUs) {
+ size_t idx;
+ status_t ret = mData->mCodec->dequeueInputBuffer(&idx, timeoutUs);
+ if (ret == OK) {
+ return idx;
+ }
+ return translate_error(ret);
+}
+
+uint8_t* AMediaCodec_getInputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
+ android::Vector<android::sp<android::ABuffer> > abufs;
+ if (mData->mCodec->getInputBuffers(&abufs) == 0) {
+ size_t n = abufs.size();
+ if (idx >= n) {
+ ALOGE("buffer index %d out of range", idx);
+ return NULL;
+ }
+ if (out_size != NULL) {
+ *out_size = abufs[idx]->capacity();
+ }
+ return abufs[idx]->data();
+ }
+ ALOGE("couldn't get input buffers");
+ return NULL;
+}
+
+uint8_t* AMediaCodec_getOutputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
+ android::Vector<android::sp<android::ABuffer> > abufs;
+ if (mData->mCodec->getOutputBuffers(&abufs) == 0) {
+ size_t n = abufs.size();
+ if (idx >= n) {
+ ALOGE("buffer index %d out of range", idx);
+ return NULL;
+ }
+ if (out_size != NULL) {
+ *out_size = abufs[idx]->capacity();
+ }
+ return abufs[idx]->data();
+ }
+ ALOGE("couldn't get output buffers");
+ return NULL;
+}
+
+int AMediaCodec_queueInputBuffer(AMediaCodec *mData,
+ size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags) {
+
+ AString errorMsg;
+ status_t ret = mData->mCodec->queueInputBuffer(idx, offset, size, time, flags, &errorMsg);
+ return translate_error(ret);
+}
+
+ssize_t AMediaCodec_dequeueOutputBuffer(AMediaCodec *mData,
+ AMediaCodecBufferInfo *info, int64_t timeoutUs) {
+ size_t idx;
+ size_t offset;
+ size_t size;
+ uint32_t flags;
+ int64_t presentationTimeUs;
+ status_t ret = mData->mCodec->dequeueOutputBuffer(&idx, &offset, &size, &presentationTimeUs,
+ &flags, timeoutUs);
+
+ switch (ret) {
+ case OK:
+ info->offset = offset;
+ info->size = size;
+ info->flags = flags;
+ info->presentationTimeUs = presentationTimeUs;
+ return idx;
+ case -EAGAIN:
+ return AMEDIACODEC_INFO_TRY_AGAIN_LATER;
+ case android::INFO_FORMAT_CHANGED:
+ return AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED;
+ case INFO_OUTPUT_BUFFERS_CHANGED:
+ return AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED;
+ default:
+ break;
+ }
+ return translate_error(ret);
+}
+
+AMediaFormat* AMediaCodec_getOutputFormat(AMediaCodec *mData) {
+ sp<AMessage> format;
+ mData->mCodec->getOutputFormat(&format);
+ return AMediaFormat_fromMsg(&format);
+}
+
+int AMediaCodec_releaseOutputBuffer(AMediaCodec *mData, size_t idx, bool render) {
+ if (render) {
+ return translate_error(mData->mCodec->renderOutputBufferAndRelease(idx));
+ } else {
+ return translate_error(mData->mCodec->releaseOutputBuffer(idx));
+ }
+}
+
+} // extern "C"
+
diff --git a/media/ndk/NdkMediaExtractor.cpp b/media/ndk/NdkMediaExtractor.cpp
new file mode 100644
index 0000000..681633a
--- /dev/null
+++ b/media/ndk/NdkMediaExtractor.cpp
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2014 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 "NdkMediaExtractor"
+
+
+#include "NdkMediaExtractor.h"
+#include "NdkMediaFormatPriv.h"
+
+
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/NuMediaExtractor.h>
+#include <media/IMediaHTTPService.h>
+#include <android_runtime/AndroidRuntime.h>
+#include <android_util_Binder.h>
+
+#include <jni.h>
+
+using namespace android;
+
+static int translate_error(status_t err) {
+ if (err == OK) {
+ return OK;
+ }
+ ALOGE("sf error code: %d", err);
+ return -1000;
+}
+
+struct AMediaExtractor {
+ sp<NuMediaExtractor> mImpl;
+
+};
+
+extern "C" {
+
+AMediaExtractor* AMediaExtractor_new() {
+ ALOGV("ctor");
+ AMediaExtractor *mData = new AMediaExtractor();
+ mData->mImpl = new NuMediaExtractor();
+ return mData;
+}
+
+int AMediaExtractor_delete(AMediaExtractor *mData) {
+ ALOGV("dtor");
+ delete mData;
+ return OK;
+}
+
+int AMediaExtractor_setDataSourceFd(AMediaExtractor *mData, int fd, off64_t offset, off64_t length) {
+ ALOGV("setDataSource(%d, %lld, %lld)", fd, offset, length);
+ mData->mImpl->setDataSource(fd, offset, length);
+ return 0;
+}
+
+int AMediaExtractor_setDataSource(AMediaExtractor *mData, const char *location) {
+ ALOGV("setDataSource(%s)", location);
+ // TODO: add header support
+
+ JNIEnv *env = AndroidRuntime::getJNIEnv();
+ jobject service = NULL;
+ if (env == NULL) {
+ ALOGE("setDataSource(path) must be called from Java thread");
+ env->ExceptionClear();
+ return -1;
+ }
+
+ jclass mediahttpclass = env->FindClass("android/media/MediaHTTPService");
+ if (mediahttpclass == NULL) {
+ ALOGE("can't find MediaHttpService");
+ env->ExceptionClear();
+ return -1;
+ }
+
+ jmethodID mediaHttpCreateMethod = env->GetStaticMethodID(mediahttpclass,
+ "createHttpServiceBinderIfNecessary", "(Ljava/lang/String;)Landroid/os/IBinder;");
+ if (mediaHttpCreateMethod == NULL) {
+ ALOGE("can't find method");
+ env->ExceptionClear();
+ return -1;
+ }
+
+ jstring jloc = env->NewStringUTF(location);
+
+ service = env->CallStaticObjectMethod(mediahttpclass, mediaHttpCreateMethod, jloc);
+ env->DeleteLocalRef(jloc);
+
+ sp<IMediaHTTPService> httpService;
+ if (service != NULL) {
+ sp<IBinder> binder = ibinderForJavaObject(env, service);
+ httpService = interface_cast<IMediaHTTPService>(binder);
+ }
+
+ mData->mImpl->setDataSource(httpService, location, NULL);
+ env->ExceptionClear();
+ return 0;
+}
+
+int AMediaExtractor_getTrackCount(AMediaExtractor *mData) {
+ return mData->mImpl->countTracks();
+}
+
+AMediaFormat* AMediaExtractor_getTrackFormat(AMediaExtractor *mData, size_t idx) {
+ sp<AMessage> format;
+ mData->mImpl->getTrackFormat(idx, &format);
+ return AMediaFormat_fromMsg(&format);
+}
+
+int AMediaExtractor_selectTrack(AMediaExtractor *mData, size_t idx) {
+ ALOGV("selectTrack(%z)", idx);
+ return translate_error(mData->mImpl->selectTrack(idx));
+}
+
+int AMediaExtractor_unselectTrack(AMediaExtractor *mData, size_t idx) {
+ ALOGV("unselectTrack(%z)", idx);
+ return translate_error(mData->mImpl->unselectTrack(idx));
+}
+
+bool AMediaExtractor_advance(AMediaExtractor *mData) {
+ //ALOGV("advance");
+ return mData->mImpl->advance();
+}
+
+int AMediaExtractor_readSampleData(AMediaExtractor *mData, uint8_t *buffer, size_t capacity) {
+ //ALOGV("readSampleData");
+ sp<ABuffer> tmp = new ABuffer(buffer, capacity);
+ if (mData->mImpl->readSampleData(tmp) == OK) {
+ return tmp->size();
+ }
+ return -1;
+}
+
+int AMediaExtractor_getSampleFlags(AMediaExtractor *mData) {
+ int sampleFlags = 0;
+ sp<MetaData> meta;
+ status_t err = mData->mImpl->getSampleMeta(&meta);
+ if (err != OK) {
+ return -1;
+ }
+ int32_t val;
+ if (meta->findInt32(kKeyIsSyncFrame, &val) && val != 0) {
+ sampleFlags |= NuMediaExtractor::SAMPLE_FLAG_SYNC;
+ }
+
+ uint32_t type;
+ const void *data;
+ size_t size;
+ if (meta->findData(kKeyEncryptedSizes, &type, &data, &size)) {
+ sampleFlags |= NuMediaExtractor::SAMPLE_FLAG_ENCRYPTED;
+ }
+ return sampleFlags;
+}
+
+int AMediaExtractor_getSampleTrackIndex(AMediaExtractor *mData) {
+ size_t idx;
+ if (mData->mImpl->getSampleTrackIndex(&idx) != OK) {
+ return -1;
+ }
+ return idx;
+}
+
+int64_t AMediaExtractor_getSampletime(AMediaExtractor *mData) {
+ int64_t time;
+ if (mData->mImpl->getSampleTime(&time) != OK) {
+ return -1;
+ }
+ return time;
+}
+
+
+} // extern "C"
+
diff --git a/media/ndk/NdkMediaFormat.cpp b/media/ndk/NdkMediaFormat.cpp
new file mode 100644
index 0000000..359f37e
--- /dev/null
+++ b/media/ndk/NdkMediaFormat.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2014 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 "NdkMediaFormat"
+
+
+#include "NdkMediaFormat.h"
+
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MetaData.h>
+#include <android_runtime/AndroidRuntime.h>
+#include <android_util_Binder.h>
+
+#include <jni.h>
+
+using namespace android;
+
+struct AMediaFormat {
+ sp<AMessage> mFormat;
+};
+
+extern "C" {
+
+// private functions for conversion to/from AMessage
+AMediaFormat* AMediaFormat_fromMsg(void* data) {
+ ALOGV("private ctor");
+ AMediaFormat* mData = new AMediaFormat();
+ mData->mFormat = *((sp<AMessage>*)data);
+ return mData;
+}
+
+void AMediaFormat_getFormat(AMediaFormat* mData, void* dest) {
+ *((sp<AMessage>*)dest) = mData->mFormat;
+}
+
+
+/*
+ * public function follow
+ */
+AMediaFormat *AMediaFormat_new() {
+ ALOGV("ctor");
+ sp<AMessage> msg = new AMessage();
+ return AMediaFormat_fromMsg(&msg);
+}
+
+int AMediaFormat_delete(AMediaFormat *mData) {
+ ALOGV("dtor");
+ delete mData;
+ return OK;
+}
+
+
+const char* AMediaFormat_toString(AMediaFormat *mData) {
+ sp<AMessage> f = mData->mFormat;
+ String8 ret;
+ int num = f->countEntries();
+ for (int i = 0; i < num; i++) {
+ if (i != 0) {
+ ret.append(", ");
+ }
+ AMessage::Type t;
+ const char *name = f->getEntryNameAt(i, &t);
+ ret.append(name);
+ ret.append(": ");
+ switch (t) {
+ case AMessage::kTypeInt32:
+ {
+ int32_t val;
+ f->findInt32(name, &val);
+ ret.appendFormat("int32(%d)", val);
+ break;
+ }
+ case AMessage::kTypeInt64:
+ {
+ int64_t val;
+ f->findInt64(name, &val);
+ ret.appendFormat("int64(%lld)", val);
+ break;
+ }
+ case AMessage::kTypeSize:
+ {
+ size_t val;
+ f->findSize(name, &val);
+ ret.appendFormat("size_t(%d)", val);
+ break;
+ }
+ case AMessage::kTypeFloat:
+ {
+ float val;
+ f->findFloat(name, &val);
+ ret.appendFormat("float(%f)", val);
+ break;
+ }
+ case AMessage::kTypeDouble:
+ {
+ double val;
+ f->findDouble(name, &val);
+ ret.appendFormat("double(%f)", val);
+ break;
+ }
+ case AMessage::kTypeString:
+ {
+ AString val;
+ f->findString(name, &val);
+ ret.appendFormat("string(%s)", val.c_str());
+ break;
+ }
+ case AMessage::kTypeBuffer:
+ {
+ ret.appendFormat("data");
+ break;
+ }
+ default:
+ {
+ ret.appendFormat("unknown(%d)", t);
+ break;
+ }
+ }
+ }
+ ret.append("}");
+ return strdup(ret.string());
+}
+
+bool AMediaFormat_getInt32(AMediaFormat* mData, const char *name, int32_t *out) {
+ return mData->mFormat->findInt32(name, out);
+}
+
+bool AMediaFormat_getInt64(AMediaFormat* mData, const char *name, int64_t *out) {
+ return mData->mFormat->findInt64(name, out);
+}
+
+bool AMediaFormat_getFloat(AMediaFormat* mData, const char *name, float *out) {
+ return mData->mFormat->findFloat(name, out);
+}
+
+bool AMediaFormat_getDouble(AMediaFormat* mData, const char *name, double *out) {
+ return mData->mFormat->findDouble(name, out);
+}
+
+bool AMediaFormat_getSize(AMediaFormat* mData, const char *name, size_t *out) {
+ return mData->mFormat->findSize(name, out);
+}
+
+bool AMediaFormat_getString(AMediaFormat* mData, const char *name, const char **out) {
+ AString tmp;
+ if (mData->mFormat->findString(name, &tmp)) {
+ *out = strdup(tmp.c_str());
+ return true;
+ }
+ return false;
+}
+
+const char* AMEDIAFORMAT_KEY_AAC_PROFILE = "aac-profile";
+const char* AMEDIAFORMAT_KEY_BIT_RATE = "bitrate";
+const char* AMEDIAFORMAT_KEY_CHANNEL_COUNT = "channel-count";
+const char* AMEDIAFORMAT_KEY_CHANNEL_MASK = "channel-mask";
+const char* AMEDIAFORMAT_KEY_COLOR_FORMAT = "color-format";
+const char* AMEDIAFORMAT_KEY_DURATION = "durationUs";
+const char* AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level";
+const char* AMEDIAFORMAT_KEY_FRAME_RATE = "frame-rate";
+const char* AMEDIAFORMAT_KEY_HEIGHT = "height";
+const char* AMEDIAFORMAT_KEY_IS_ADTS = "is-adts";
+const char* AMEDIAFORMAT_KEY_IS_AUTOSELECT = "is-autoselect";
+const char* AMEDIAFORMAT_KEY_IS_DEFAULT = "is-default";
+const char* AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE = "is-forced-subtitle";
+const char* AMEDIAFORMAT_KEY_I_FRAME_INTERVAL = "i-frame-interval";
+const char* AMEDIAFORMAT_KEY_LANGUAGE = "language";
+const char* AMEDIAFORMAT_KEY_MAX_HEIGHT = "max-height";
+const char* AMEDIAFORMAT_KEY_MAX_INPUT_SIZE = "max-input-size";
+const char* AMEDIAFORMAT_KEY_MAX_WIDTH = "max-width";
+const char* AMEDIAFORMAT_KEY_MIME = "mime";
+const char* AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP = "push-blank-buffers-on-shutdown";
+const char* AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER = "repeat-previous-frame-after";
+const char* AMEDIAFORMAT_KEY_SAMPLE_RATE = "sample-rate";
+const char* AMEDIAFORMAT_KEY_WIDTH = "width";
+const char* AMEDIAFORMAT_KEY_STRIDE = "stride";
+
+
+} // extern "C"
+
+
diff --git a/media/ndk/NdkMediaFormatPriv.h b/media/ndk/NdkMediaFormatPriv.h
new file mode 100644
index 0000000..f67e782
--- /dev/null
+++ b/media/ndk/NdkMediaFormatPriv.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_FORMAT_PRIV_H
+#define _NDK_MEDIA_FORMAT_PRIV_H
+
+#include <NdkMediaFormat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+AMediaFormat* AMediaFormat_fromMsg(void*);
+void AMediaFormat_getFormat(AMediaFormat* mData, void* dest);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _NDK_MEDIA_FORMAT_PRIV_H
+