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/*
* 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.
*/
#include <media/stagefright/foundation/AHandler.h>
#include <media/stagefright/foundation/AString.h>
#include <utils/KeyedVector.h>
namespace android {
struct ABuffer;
struct ALooper;
struct AudioTrack;
struct ISurfaceTexture;
struct MediaCodec;
struct NativeWindowWrapper;
struct NuMediaExtractor;
struct SimplePlayer : public AHandler {
SimplePlayer();
status_t setDataSource(const char *path);
status_t setSurface(const sp<ISurfaceTexture> &surfaceTexture);
status_t prepare();
status_t start();
status_t stop();
status_t reset();
protected:
virtual ~SimplePlayer();
virtual void onMessageReceived(const sp<AMessage> &msg);
private:
enum State {
UNINITIALIZED,
UNPREPARED,
STOPPED,
STARTED
};
enum {
kWhatSetDataSource,
kWhatSetSurface,
kWhatPrepare,
kWhatStart,
kWhatStop,
kWhatReset,
kWhatDoMoreStuff,
};
struct BufferInfo {
size_t mIndex;
size_t mOffset;
size_t mSize;
int64_t mPresentationTimeUs;
uint32_t mFlags;
};
struct CodecState
{
sp<MediaCodec> mCodec;
Vector<sp<ABuffer> > mCSD;
Vector<sp<ABuffer> > mBuffers[2];
List<size_t> mAvailInputBufferIndices;
List<BufferInfo> mAvailOutputBufferInfos;
sp<AudioTrack> mAudioTrack;
uint32_t mNumFramesWritten;
};
State mState;
AString mPath;
sp<NativeWindowWrapper> mNativeWindow;
sp<NuMediaExtractor> mExtractor;
sp<ALooper> mCodecLooper;
KeyedVector<size_t, CodecState> mStateByTrackIndex;
int32_t mDoMoreStuffGeneration;
int64_t mStartTimeRealUs;
status_t onPrepare();
status_t onStart();
status_t onStop();
status_t onReset();
status_t onDoMoreStuff();
status_t onOutputFormatChanged(size_t trackIndex, CodecState *state);
void renderAudio(
CodecState *state, BufferInfo *info, const sp<ABuffer> &buffer);
DISALLOW_EVIL_CONSTRUCTORS(SimplePlayer);
};
} // namespace android
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