GenericSource.h revision 42e8153cf7271b572e4a94ade332b68521977f36
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef GENERIC_SOURCE_H_ 18 19#define GENERIC_SOURCE_H_ 20 21#include "NuPlayer.h" 22#include "NuPlayerSource.h" 23 24#include "ATSParser.h" 25 26#include <media/mediaplayer.h> 27 28namespace android { 29 30class DecryptHandle; 31class DrmManagerClient; 32struct AnotherPacketSource; 33struct ARTSPController; 34struct DataSource; 35struct IMediaHTTPService; 36struct MediaSource; 37class MediaBuffer; 38struct NuCachedSource2; 39struct WVMExtractor; 40 41struct NuPlayer::GenericSource : public NuPlayer::Source { 42 GenericSource(const sp<AMessage> ¬ify, bool uidValid, uid_t uid); 43 44 status_t setDataSource( 45 const sp<IMediaHTTPService> &httpService, 46 const char *url, 47 const KeyedVector<String8, String8> *headers); 48 49 status_t setDataSource(int fd, int64_t offset, int64_t length); 50 51 virtual void prepareAsync(); 52 53 virtual void start(); 54 virtual void stop(); 55 virtual void pause(); 56 virtual void resume(); 57 58 virtual void disconnect(); 59 60 virtual status_t feedMoreTSData(); 61 62 virtual sp<MetaData> getFileFormatMeta() const; 63 64 virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit); 65 66 virtual status_t getDuration(int64_t *durationUs); 67 virtual size_t getTrackCount() const; 68 virtual sp<AMessage> getTrackInfo(size_t trackIndex) const; 69 virtual ssize_t getSelectedTrack(media_track_type type) const; 70 virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs); 71 virtual status_t seekTo(int64_t seekTimeUs); 72 73 virtual status_t setBuffers(bool audio, Vector<MediaBuffer *> &buffers); 74 75protected: 76 virtual ~GenericSource(); 77 78 virtual void onMessageReceived(const sp<AMessage> &msg); 79 80 virtual sp<MetaData> getFormatMeta(bool audio); 81 82private: 83 enum { 84 kWhatPrepareAsync, 85 kWhatFetchSubtitleData, 86 kWhatFetchTimedTextData, 87 kWhatSendSubtitleData, 88 kWhatSendTimedTextData, 89 kWhatChangeAVSource, 90 kWhatPollBuffering, 91 kWhatGetFormat, 92 kWhatGetSelectedTrack, 93 kWhatSelectTrack, 94 kWhatSeek, 95 kWhatReadBuffer, 96 kWhatStopWidevine, 97 }; 98 99 Vector<sp<MediaSource> > mSources; 100 101 struct Track { 102 size_t mIndex; 103 sp<MediaSource> mSource; 104 sp<AnotherPacketSource> mPackets; 105 }; 106 107 Track mAudioTrack; 108 int64_t mAudioTimeUs; 109 int64_t mAudioLastDequeueTimeUs; 110 Track mVideoTrack; 111 int64_t mVideoTimeUs; 112 int64_t mVideoLastDequeueTimeUs; 113 Track mSubtitleTrack; 114 Track mTimedTextTrack; 115 116 int32_t mFetchSubtitleDataGeneration; 117 int32_t mFetchTimedTextDataGeneration; 118 int64_t mDurationUs; 119 bool mAudioIsVorbis; 120 bool mIsWidevine; 121 bool mIsSecure; 122 bool mUIDValid; 123 uid_t mUID; 124 sp<IMediaHTTPService> mHTTPService; 125 AString mUri; 126 KeyedVector<String8, String8> mUriHeaders; 127 int mFd; 128 int64_t mOffset; 129 int64_t mLength; 130 131 sp<DataSource> mDataSource; 132 sp<NuCachedSource2> mCachedSource; 133 sp<DataSource> mHttpSource; 134 sp<WVMExtractor> mWVMExtractor; 135 sp<MetaData> mFileMeta; 136 DrmManagerClient *mDrmManagerClient; 137 sp<DecryptHandle> mDecryptHandle; 138 bool mStarted; 139 bool mStopRead; 140 String8 mContentType; 141 AString mSniffedMIME; 142 off64_t mMetaDataSize; 143 int64_t mBitrate; 144 int32_t mPollBufferingGeneration; 145 uint32_t mPendingReadBufferTypes; 146 mutable Mutex mReadBufferLock; 147 148 sp<ALooper> mLooper; 149 150 void resetDataSource(); 151 152 status_t initFromDataSource(); 153 void checkDrmStatus(const sp<DataSource>& dataSource); 154 int64_t getLastReadPosition(); 155 void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position); 156 157 status_t prefillCacheIfNecessary(); 158 159 void notifyPreparedAndCleanup(status_t err); 160 161 void onGetFormatMeta(sp<AMessage> msg) const; 162 sp<MetaData> doGetFormatMeta(bool audio) const; 163 164 void onGetSelectedTrack(sp<AMessage> msg) const; 165 ssize_t doGetSelectedTrack(media_track_type type) const; 166 167 void onSelectTrack(sp<AMessage> msg); 168 status_t doSelectTrack(size_t trackIndex, bool select, int64_t timeUs); 169 170 void onSeek(sp<AMessage> msg); 171 status_t doSeek(int64_t seekTimeUs); 172 173 void onPrepareAsync(); 174 175 void fetchTextData( 176 uint32_t what, media_track_type type, 177 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 178 179 void sendTextData( 180 uint32_t what, media_track_type type, 181 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 182 183 sp<ABuffer> mediaBufferToABuffer( 184 MediaBuffer *mbuf, 185 media_track_type trackType, 186 int64_t *actualTimeUs = NULL); 187 188 void postReadBuffer(media_track_type trackType); 189 void onReadBuffer(sp<AMessage> msg); 190 void readBuffer( 191 media_track_type trackType, 192 int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL, bool formatChange = false); 193 194 void schedulePollBuffering(); 195 void cancelPollBuffering(); 196 void onPollBuffering(); 197 void notifyBufferingUpdate(int percentage); 198 199 DISALLOW_EVIL_CONSTRUCTORS(GenericSource); 200}; 201 202} // namespace android 203 204#endif // GENERIC_SOURCE_H_ 205