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/*
* Copyright (C) 2011 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 VE_AUDIO_PLAYER_H_
#define VE_AUDIO_PLAYER_H_
#include <media/MediaPlayerInterface.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/TimeSource.h>
#include <utils/threads.h>
#include "M4xVSS_API.h"
#include "VideoEditorMain.h"
#include "M4OSA_FileReader.h"
#include "VideoEditorBGAudioProcessing.h"
namespace android {
class MediaSource;
class AudioTrack;
class PreviewPlayer;
class VideoEditorAudioPlayer : public TimeSource {
public:
enum {
REACHED_EOS,
SEEK_COMPLETE
};
VideoEditorAudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
PreviewPlayer *audioObserver = NULL);
~VideoEditorAudioPlayer();
// Return time in us.
int64_t getRealTimeUs();
// Returns the timestamp of the last buffer played (in us).
int64_t getMediaTimeUs();
// Returns true iff a mapping is established, i.e. the AudioPlayerBase
// has played at least one frame of audio.
bool getMediaTimeMapping(int64_t *realtime_us, int64_t *mediatime_us);
status_t start(bool sourceAlreadyStarted = false);
void pause(bool playPendingSamples = false);
void resume();
status_t seekTo(int64_t time_us);
bool isSeeking();
bool reachedEOS(status_t *finalStatus);
void setAudioMixSettings(M4xVSS_AudioMixingSettings* pAudioMixSettings);
void setAudioMixPCMFileHandle(M4OSA_Context pBGAudioPCMFileHandle);
void setAudioMixStoryBoardSkimTimeStamp(
M4OSA_UInt32 pBGAudioStoryBoardSkimTimeStamp,
M4OSA_UInt32 pBGAudioCurrentMediaBeginCutTS,
M4OSA_UInt32 pBGAudioCurrentMediaVolumeVal);
void setObserver(PreviewPlayer *observer);
void setSource(const sp<MediaSource> &source);
sp<MediaSource> getSource();
bool isStarted();
private:
M4xVSS_AudioMixingSettings *mAudioMixSettings;
VideoEditorBGAudioProcessing *mAudioProcess;
M4OSA_Context mBGAudioPCMFileHandle;
int64_t mBGAudioPCMFileLength;
int64_t mBGAudioPCMFileTrimmedLength;
int64_t mBGAudioPCMFileDuration;
int64_t mBGAudioPCMFileSeekPoint;
int64_t mBGAudioPCMFileOriginalSeekPoint;
int64_t mBGAudioStoryBoardSkimTimeStamp;
int64_t mBGAudioStoryBoardCurrentMediaBeginCutTS;
int64_t mBGAudioStoryBoardCurrentMediaVolumeVal;
sp<MediaSource> mSource;
AudioTrack *mAudioTrack;
MediaBuffer *mInputBuffer;
int mSampleRate;
int64_t mLatencyUs;
size_t mFrameSize;
Mutex mLock;
int64_t mNumFramesPlayed;
int64_t mPositionTimeMediaUs;
int64_t mPositionTimeRealUs;
bool mSeeking;
bool mReachedEOS;
status_t mFinalStatus;
int64_t mSeekTimeUs;
bool mStarted;
bool mIsFirstBuffer;
status_t mFirstBufferResult;
MediaBuffer *mFirstBuffer;
sp<MediaPlayerBase::AudioSink> mAudioSink;
PreviewPlayer *mObserver;
static void AudioCallback(int event, void *user, void *info);
void AudioCallback(int event, void *info);
size_t fillBuffer(void *data, size_t size);
static size_t AudioSinkCallback(
MediaPlayerBase::AudioSink *audioSink,
void *data, size_t size, void *me);
void reset();
void clear();
int64_t getRealTimeUs_l();
void setPrimaryTrackVolume(
M4OSA_Int16 *data, M4OSA_UInt32 size, M4OSA_Float volLevel);
VideoEditorAudioPlayer(const VideoEditorAudioPlayer &);
VideoEditorAudioPlayer &operator=(const VideoEditorAudioPlayer &);
};
} // namespace android
#endif // VE_AUDIO_PLAYER_H_
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