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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.
*/
#ifndef GENERIC_SOURCE_H_
#define GENERIC_SOURCE_H_
#include "NuPlayer.h"
#include "NuPlayerSource.h"
#include "ATSParser.h"
#include <media/mediaplayer.h>
namespace android {
class DecryptHandle;
class DrmManagerClient;
struct AnotherPacketSource;
struct ARTSPController;
class DataSource;
class IDataSource;
struct IMediaHTTPService;
struct MediaSource;
class MediaBuffer;
struct NuCachedSource2;
class WVMExtractor;
struct NuPlayer::GenericSource : public NuPlayer::Source {
GenericSource(const sp<AMessage> ¬ify, bool uidValid, uid_t uid);
status_t setDataSource(
const sp<IMediaHTTPService> &httpService,
const char *url,
const KeyedVector<String8, String8> *headers);
status_t setDataSource(int fd, int64_t offset, int64_t length);
status_t setDataSource(const sp<DataSource>& dataSource);
virtual void prepareAsync();
virtual void start();
virtual void stop();
virtual void pause();
virtual void resume();
virtual void disconnect();
virtual status_t feedMoreTSData();
virtual sp<MetaData> getFileFormatMeta() const;
virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
virtual status_t getDuration(int64_t *durationUs);
virtual size_t getTrackCount() const;
virtual sp<AMessage> getTrackInfo(size_t trackIndex) const;
virtual ssize_t getSelectedTrack(media_track_type type) const;
virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs);
virtual status_t seekTo(int64_t seekTimeUs);
virtual status_t setBuffers(bool audio, Vector<MediaBuffer *> &buffers);
virtual bool isStreaming() const;
protected:
virtual ~GenericSource();
virtual void onMessageReceived(const sp<AMessage> &msg);
virtual sp<MetaData> getFormatMeta(bool audio);
protected:
enum {
kWhatPrepareAsync,
kWhatFetchSubtitleData,
kWhatFetchTimedTextData,
kWhatSendSubtitleData,
kWhatSendTimedTextData,
kWhatChangeAVSource,
kWhatPollBuffering,
kWhatGetFormat,
kWhatGetSelectedTrack,
kWhatSelectTrack,
kWhatSeek,
kWhatReadBuffer,
kWhatStopWidevine,
kWhatStart,
kWhatResume,
kWhatSecureDecodersInstantiated,
};
struct Track {
size_t mIndex;
sp<MediaSource> mSource;
sp<AnotherPacketSource> mPackets;
};
Vector<sp<MediaSource> > mSources;
Track mAudioTrack;
int64_t mAudioTimeUs;
int64_t mAudioLastDequeueTimeUs;
Track mVideoTrack;
int64_t mVideoTimeUs;
int64_t mVideoLastDequeueTimeUs;
Track mSubtitleTrack;
Track mTimedTextTrack;
int32_t mFetchSubtitleDataGeneration;
int32_t mFetchTimedTextDataGeneration;
int64_t mDurationUs;
bool mAudioIsVorbis;
bool mIsWidevine;
bool mIsSecure;
bool mUseSetBuffers;
bool mIsStreaming;
bool mUIDValid;
uid_t mUID;
sp<IMediaHTTPService> mHTTPService;
AString mUri;
KeyedVector<String8, String8> mUriHeaders;
int mFd;
int64_t mOffset;
int64_t mLength;
Mutex mSourceLock;
sp<DataSource> mDataSource;
sp<NuCachedSource2> mCachedSource;
sp<DataSource> mHttpSource;
sp<WVMExtractor> mWVMExtractor;
sp<MetaData> mFileMeta;
DrmManagerClient *mDrmManagerClient;
sp<DecryptHandle> mDecryptHandle;
bool mStarted;
bool mStopRead;
int64_t mBitrate;
int32_t mPollBufferingGeneration;
uint32_t mPendingReadBufferTypes;
bool mBuffering;
bool mPrepareBuffering;
int32_t mPrevBufferPercentage;
mutable Mutex mReadBufferLock;
mutable Mutex mDisconnectLock;
sp<ALooper> mLooper;
void resetDataSource();
status_t initFromDataSource();
void checkDrmStatus(const sp<DataSource>& dataSource);
int64_t getLastReadPosition();
void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position);
virtual void notifyPreparedAndCleanup(status_t err);
void onSecureDecodersInstantiated(status_t err);
void finishPrepareAsync();
status_t startSources();
void onGetFormatMeta(sp<AMessage> msg) const;
sp<MetaData> doGetFormatMeta(bool audio) const;
void onGetSelectedTrack(sp<AMessage> msg) const;
ssize_t doGetSelectedTrack(media_track_type type) const;
void onSelectTrack(sp<AMessage> msg);
status_t doSelectTrack(size_t trackIndex, bool select, int64_t timeUs);
void onSeek(sp<AMessage> msg);
status_t doSeek(int64_t seekTimeUs);
virtual void onPrepareAsync();
void fetchTextData(
uint32_t what, media_track_type type,
int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg);
void sendTextData(
uint32_t what, media_track_type type,
int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg);
sp<ABuffer> mediaBufferToABuffer(
MediaBuffer *mbuf,
media_track_type trackType,
int64_t seekTimeUs,
int64_t *actualTimeUs = NULL);
void postReadBuffer(media_track_type trackType);
void onReadBuffer(sp<AMessage> msg);
void readBuffer(
media_track_type trackType,
int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL, bool formatChange = false);
void queueDiscontinuityIfNeeded(
bool seeking, bool formatChange, media_track_type trackType, Track *track);
void schedulePollBuffering();
void cancelPollBuffering();
void restartPollBuffering();
void onPollBuffering();
void notifyBufferingUpdate(int32_t percentage);
void startBufferingIfNecessary();
void stopBufferingIfNecessary();
void sendCacheStats();
void ensureCacheIsFetching();
DISALLOW_EVIL_CONSTRUCTORS(GenericSource);
};
} // namespace android
#endif // GENERIC_SOURCE_H_
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