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/*
* 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 NU_PLAYER_H_
#define NU_PLAYER_H_
#include <media/MediaPlayerInterface.h>
#include <media/stagefright/foundation/AHandler.h>
#include <media/stagefright/NativeWindowWrapper.h>
namespace android {
struct ABuffer;
struct AMessage;
class MetaData;
struct NuPlayerDriver;
struct NuPlayer : public AHandler {
NuPlayer();
void setUID(uid_t uid);
void setDriver(const wp<NuPlayerDriver> &driver);
void setDataSourceAsync(const sp<IStreamSource> &source);
void setDataSourceAsync(
const sp<IMediaHTTPService> &httpService,
const char *url,
const KeyedVector<String8, String8> *headers);
void setDataSourceAsync(int fd, int64_t offset, int64_t length);
void prepareAsync();
void setVideoSurfaceTextureAsync(
const sp<IGraphicBufferProducer> &bufferProducer);
void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink);
void start();
void pause();
void resume();
// Will notify the driver through "notifyResetComplete" once finished.
void resetAsync();
// Will notify the driver through "notifySeekComplete" once finished
// and needNotify is true.
void seekToAsync(int64_t seekTimeUs, bool needNotify = false);
status_t setVideoScalingMode(int32_t mode);
status_t getTrackInfo(Parcel* reply) const;
status_t getSelectedTrack(int32_t type, Parcel* reply) const;
status_t selectTrack(size_t trackIndex, bool select);
status_t getCurrentPosition(int64_t *mediaUs);
void getStats(int64_t *mNumFramesTotal, int64_t *mNumFramesDropped);
sp<MetaData> getFileMeta();
static const size_t kAggregateBufferSizeBytes;
protected:
virtual ~NuPlayer();
virtual void onMessageReceived(const sp<AMessage> &msg);
public:
struct NuPlayerStreamListener;
struct Source;
private:
struct Decoder;
struct DecoderPassThrough;
struct CCDecoder;
struct GenericSource;
struct HTTPLiveSource;
struct Renderer;
struct RTSPSource;
struct StreamingSource;
struct Action;
struct SeekAction;
struct SetSurfaceAction;
struct ShutdownDecoderAction;
struct PostMessageAction;
struct SimpleAction;
enum {
kWhatSetDataSource = '=DaS',
kWhatPrepare = 'prep',
kWhatSetVideoNativeWindow = '=NaW',
kWhatSetAudioSink = '=AuS',
kWhatMoreDataQueued = 'more',
kWhatStart = 'strt',
kWhatScanSources = 'scan',
kWhatVideoNotify = 'vidN',
kWhatAudioNotify = 'audN',
kWhatClosedCaptionNotify = 'capN',
kWhatRendererNotify = 'renN',
kWhatReset = 'rset',
kWhatSeek = 'seek',
kWhatPause = 'paus',
kWhatResume = 'rsme',
kWhatPollDuration = 'polD',
kWhatSourceNotify = 'srcN',
kWhatGetTrackInfo = 'gTrI',
kWhatGetSelectedTrack = 'gSel',
kWhatSelectTrack = 'selT',
};
wp<NuPlayerDriver> mDriver;
bool mUIDValid;
uid_t mUID;
sp<Source> mSource;
uint32_t mSourceFlags;
sp<NativeWindowWrapper> mNativeWindow;
sp<MediaPlayerBase::AudioSink> mAudioSink;
sp<Decoder> mVideoDecoder;
bool mVideoIsAVC;
bool mOffloadAudio;
sp<Decoder> mAudioDecoder;
sp<CCDecoder> mCCDecoder;
sp<Renderer> mRenderer;
sp<ALooper> mRendererLooper;
int32_t mAudioDecoderGeneration;
int32_t mVideoDecoderGeneration;
int32_t mRendererGeneration;
List<sp<Action> > mDeferredActions;
bool mAudioEOS;
bool mVideoEOS;
bool mScanSourcesPending;
int32_t mScanSourcesGeneration;
int32_t mPollDurationGeneration;
int32_t mTimedTextGeneration;
enum FlushStatus {
NONE,
FLUSHING_DECODER,
FLUSHING_DECODER_SHUTDOWN,
SHUTTING_DOWN_DECODER,
FLUSHED,
SHUT_DOWN,
};
// Once the current flush is complete this indicates whether the
// notion of time has changed.
bool mTimeDiscontinuityPending;
// Status of flush responses from the decoder and renderer.
bool mFlushComplete[2][2];
// Used by feedDecoderInputData to aggregate small buffers into
// one large buffer.
sp<ABuffer> mPendingAudioAccessUnit;
status_t mPendingAudioErr;
sp<ABuffer> mAggregateBuffer;
FlushStatus mFlushingAudio;
FlushStatus mFlushingVideo;
int64_t mSkipRenderingAudioUntilMediaTimeUs;
int64_t mSkipRenderingVideoUntilMediaTimeUs;
int64_t mNumFramesTotal, mNumFramesDropped;
int32_t mVideoScalingMode;
bool mStarted;
inline const sp<Decoder> &getDecoder(bool audio) {
return audio ? mAudioDecoder : mVideoDecoder;
}
inline void clearFlushComplete() {
mFlushComplete[0][0] = false;
mFlushComplete[0][1] = false;
mFlushComplete[1][0] = false;
mFlushComplete[1][1] = false;
}
void openAudioSink(const sp<AMessage> &format, bool offloadOnly);
void closeAudioSink();
status_t instantiateDecoder(bool audio, sp<Decoder> *decoder);
void updateVideoSize(
const sp<AMessage> &inputFormat,
const sp<AMessage> &outputFormat = NULL);
status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);
void renderBuffer(bool audio, const sp<AMessage> &msg);
void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL);
void handleFlushComplete(bool audio, bool isDecoder);
void finishFlushIfPossible();
bool audioDecoderStillNeeded();
void flushDecoder(
bool audio, bool needShutdown, const sp<AMessage> &newFormat = NULL);
void updateDecoderFormatWithoutFlush(bool audio, const sp<AMessage> &format);
void postScanSources();
void schedulePollDuration();
void cancelPollDuration();
void processDeferredActions();
void performSeek(int64_t seekTimeUs, bool needNotify);
void performDecoderFlush();
void performDecoderShutdown(bool audio, bool video);
void performReset();
void performScanSources();
void performSetSurface(const sp<NativeWindowWrapper> &wrapper);
void onSourceNotify(const sp<AMessage> &msg);
void onClosedCaptionNotify(const sp<AMessage> &msg);
void queueDecoderShutdown(
bool audio, bool video, const sp<AMessage> &reply);
void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex);
void sendTimedTextData(const sp<ABuffer> &buffer);
void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const;
DISALLOW_EVIL_CONSTRUCTORS(NuPlayer);
};
} // namespace android
#endif // NU_PLAYER_H_
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