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 28 namespace android { 29 30 class DecryptHandle; 31 class DrmManagerClient; 32 struct AnotherPacketSource; 33 struct ARTSPController; 34 class DataSource; 35 class IDataSource; 36 struct IMediaHTTPService; 37 struct MediaSource; 38 class MediaBuffer; 39 struct NuCachedSource2; 40 class WVMExtractor; 41 42 struct NuPlayer::GenericSource : public NuPlayer::Source { 43 GenericSource(const sp<AMessage> ¬ify, bool uidValid, uid_t uid); 44 45 status_t setDataSource( 46 const sp<IMediaHTTPService> &httpService, 47 const char *url, 48 const KeyedVector<String8, String8> *headers); 49 50 status_t setDataSource(int fd, int64_t offset, int64_t length); 51 52 status_t setDataSource(const sp<DataSource>& dataSource); 53 54 virtual void prepareAsync(); 55 56 virtual void start(); 57 virtual void stop(); 58 virtual void pause(); 59 virtual void resume(); 60 61 virtual void disconnect(); 62 63 virtual status_t feedMoreTSData(); 64 65 virtual sp<MetaData> getFileFormatMeta() const; 66 67 virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit); 68 69 virtual status_t getDuration(int64_t *durationUs); 70 virtual size_t getTrackCount() const; 71 virtual sp<AMessage> getTrackInfo(size_t trackIndex) const; 72 virtual ssize_t getSelectedTrack(media_track_type type) const; 73 virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs); 74 virtual status_t seekTo(int64_t seekTimeUs); 75 76 virtual status_t setBuffers(bool audio, Vector<MediaBuffer *> &buffers); 77 78 virtual bool isStreaming() const; 79 80 protected: 81 virtual ~GenericSource(); 82 83 virtual void onMessageReceived(const sp<AMessage> &msg); 84 85 virtual sp<MetaData> getFormatMeta(bool audio); 86 87 private: 88 enum { 89 kWhatPrepareAsync, 90 kWhatFetchSubtitleData, 91 kWhatFetchTimedTextData, 92 kWhatSendSubtitleData, 93 kWhatSendTimedTextData, 94 kWhatChangeAVSource, 95 kWhatPollBuffering, 96 kWhatGetFormat, 97 kWhatGetSelectedTrack, 98 kWhatSelectTrack, 99 kWhatSeek, 100 kWhatReadBuffer, 101 kWhatStopWidevine, 102 kWhatStart, 103 kWhatResume, 104 kWhatSecureDecodersInstantiated, 105 }; 106 107 struct Track { 108 size_t mIndex; 109 sp<MediaSource> mSource; 110 sp<AnotherPacketSource> mPackets; 111 }; 112 113 Vector<sp<MediaSource> > mSources; 114 Track mAudioTrack; 115 int64_t mAudioTimeUs; 116 int64_t mAudioLastDequeueTimeUs; 117 Track mVideoTrack; 118 int64_t mVideoTimeUs; 119 int64_t mVideoLastDequeueTimeUs; 120 Track mSubtitleTrack; 121 Track mTimedTextTrack; 122 123 int32_t mFetchSubtitleDataGeneration; 124 int32_t mFetchTimedTextDataGeneration; 125 int64_t mDurationUs; 126 bool mAudioIsVorbis; 127 bool mIsWidevine; 128 bool mIsSecure; 129 bool mIsStreaming; 130 bool mUIDValid; 131 uid_t mUID; 132 sp<IMediaHTTPService> mHTTPService; 133 AString mUri; 134 KeyedVector<String8, String8> mUriHeaders; 135 int mFd; 136 int64_t mOffset; 137 int64_t mLength; 138 139 sp<DataSource> mDataSource; 140 sp<NuCachedSource2> mCachedSource; 141 sp<DataSource> mHttpSource; 142 sp<WVMExtractor> mWVMExtractor; 143 sp<MetaData> mFileMeta; 144 DrmManagerClient *mDrmManagerClient; 145 sp<DecryptHandle> mDecryptHandle; 146 bool mStarted; 147 bool mStopRead; 148 int64_t mBitrate; 149 int32_t mPollBufferingGeneration; 150 uint32_t mPendingReadBufferTypes; 151 bool mBuffering; 152 bool mPrepareBuffering; 153 int32_t mPrevBufferPercentage; 154 155 mutable Mutex mReadBufferLock; 156 mutable Mutex mDisconnectLock; 157 158 sp<ALooper> mLooper; 159 160 void resetDataSource(); 161 162 status_t initFromDataSource(); 163 void checkDrmStatus(const sp<DataSource>& dataSource); 164 int64_t getLastReadPosition(); 165 void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position); 166 167 void notifyPreparedAndCleanup(status_t err); 168 void onSecureDecodersInstantiated(status_t err); 169 void finishPrepareAsync(); 170 status_t startSources(); 171 172 void onGetFormatMeta(sp<AMessage> msg) const; 173 sp<MetaData> doGetFormatMeta(bool audio) const; 174 175 void onGetSelectedTrack(sp<AMessage> msg) const; 176 ssize_t doGetSelectedTrack(media_track_type type) const; 177 178 void onSelectTrack(sp<AMessage> msg); 179 status_t doSelectTrack(size_t trackIndex, bool select, int64_t timeUs); 180 181 void onSeek(sp<AMessage> msg); 182 status_t doSeek(int64_t seekTimeUs); 183 184 void onPrepareAsync(); 185 186 void fetchTextData( 187 uint32_t what, media_track_type type, 188 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 189 190 void sendTextData( 191 uint32_t what, media_track_type type, 192 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 193 194 sp<ABuffer> mediaBufferToABuffer( 195 MediaBuffer *mbuf, 196 media_track_type trackType, 197 int64_t seekTimeUs, 198 int64_t *actualTimeUs = NULL); 199 200 void postReadBuffer(media_track_type trackType); 201 void onReadBuffer(sp<AMessage> msg); 202 void readBuffer( 203 media_track_type trackType, 204 int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL, bool formatChange = false); 205 206 void queueDiscontinuityIfNeeded( 207 bool seeking, bool formatChange, media_track_type trackType, Track *track); 208 209 void schedulePollBuffering(); 210 void cancelPollBuffering(); 211 void restartPollBuffering(); 212 void onPollBuffering(); 213 void notifyBufferingUpdate(int32_t percentage); 214 void startBufferingIfNecessary(); 215 void stopBufferingIfNecessary(); 216 void sendCacheStats(); 217 void ensureCacheIsFetching(); 218 219 DISALLOW_EVIL_CONSTRUCTORS(GenericSource); 220 }; 221 222 } // namespace android 223 224 #endif // GENERIC_SOURCE_H_ 225