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 struct DataSource; 35 struct IMediaHTTPService; 36 struct MediaSource; 37 class MediaBuffer; 38 struct NuCachedSource2; 39 struct WVMExtractor; 40 41 struct 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 75 protected: 76 virtual ~GenericSource(); 77 78 virtual void onMessageReceived(const sp<AMessage> &msg); 79 80 virtual sp<MetaData> getFormatMeta(bool audio); 81 82 private: 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 kWhatStart, 98 kWhatResume, 99 kWhatSecureDecodersInstantiated, 100 }; 101 102 struct Track { 103 size_t mIndex; 104 sp<MediaSource> mSource; 105 sp<AnotherPacketSource> mPackets; 106 }; 107 108 Vector<sp<MediaSource> > mSources; 109 Track mAudioTrack; 110 int64_t mAudioTimeUs; 111 int64_t mAudioLastDequeueTimeUs; 112 Track mVideoTrack; 113 int64_t mVideoTimeUs; 114 int64_t mVideoLastDequeueTimeUs; 115 Track mSubtitleTrack; 116 Track mTimedTextTrack; 117 118 int32_t mFetchSubtitleDataGeneration; 119 int32_t mFetchTimedTextDataGeneration; 120 int64_t mDurationUs; 121 bool mAudioIsVorbis; 122 bool mIsWidevine; 123 bool mIsSecure; 124 bool mIsStreaming; 125 bool mUIDValid; 126 uid_t mUID; 127 sp<IMediaHTTPService> mHTTPService; 128 AString mUri; 129 KeyedVector<String8, String8> mUriHeaders; 130 int mFd; 131 int64_t mOffset; 132 int64_t mLength; 133 134 sp<DataSource> mDataSource; 135 sp<NuCachedSource2> mCachedSource; 136 sp<DataSource> mHttpSource; 137 sp<WVMExtractor> mWVMExtractor; 138 sp<MetaData> mFileMeta; 139 DrmManagerClient *mDrmManagerClient; 140 sp<DecryptHandle> mDecryptHandle; 141 bool mStarted; 142 bool mStopRead; 143 String8 mContentType; 144 AString mSniffedMIME; 145 off64_t mMetaDataSize; 146 int64_t mBitrate; 147 int32_t mPollBufferingGeneration; 148 uint32_t mPendingReadBufferTypes; 149 bool mBuffering; 150 bool mPrepareBuffering; 151 mutable Mutex mReadBufferLock; 152 153 sp<ALooper> mLooper; 154 155 void resetDataSource(); 156 157 status_t initFromDataSource(); 158 void checkDrmStatus(const sp<DataSource>& dataSource); 159 int64_t getLastReadPosition(); 160 void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position); 161 162 status_t prefillCacheIfNecessary(); 163 164 void notifyPreparedAndCleanup(status_t err); 165 void onSecureDecodersInstantiated(status_t err); 166 void finishPrepareAsync(); 167 status_t startSources(); 168 169 void onGetFormatMeta(sp<AMessage> msg) const; 170 sp<MetaData> doGetFormatMeta(bool audio) const; 171 172 void onGetSelectedTrack(sp<AMessage> msg) const; 173 ssize_t doGetSelectedTrack(media_track_type type) const; 174 175 void onSelectTrack(sp<AMessage> msg); 176 status_t doSelectTrack(size_t trackIndex, bool select, int64_t timeUs); 177 178 void onSeek(sp<AMessage> msg); 179 status_t doSeek(int64_t seekTimeUs); 180 181 void onPrepareAsync(); 182 183 void fetchTextData( 184 uint32_t what, media_track_type type, 185 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 186 187 void sendTextData( 188 uint32_t what, media_track_type type, 189 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 190 191 sp<ABuffer> mediaBufferToABuffer( 192 MediaBuffer *mbuf, 193 media_track_type trackType, 194 int64_t seekTimeUs, 195 int64_t *actualTimeUs = NULL); 196 197 void postReadBuffer(media_track_type trackType); 198 void onReadBuffer(sp<AMessage> msg); 199 void readBuffer( 200 media_track_type trackType, 201 int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL, bool formatChange = false); 202 203 void schedulePollBuffering(); 204 void cancelPollBuffering(); 205 void restartPollBuffering(); 206 void onPollBuffering(); 207 void notifyBufferingUpdate(int percentage); 208 void startBufferingIfNecessary(); 209 void stopBufferingIfNecessary(); 210 void sendCacheStats(); 211 void ensureCacheIsFetching(); 212 213 DISALLOW_EVIL_CONSTRUCTORS(GenericSource); 214 }; 215 216 } // namespace android 217 218 #endif // GENERIC_SOURCE_H_ 219