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); 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 }; 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 Track mVideoTrack; 110 int64_t mVideoTimeUs; 111 Track mSubtitleTrack; 112 Track mTimedTextTrack; 113 114 int32_t mFetchSubtitleDataGeneration; 115 int32_t mFetchTimedTextDataGeneration; 116 int64_t mDurationUs; 117 bool mAudioIsVorbis; 118 bool mIsWidevine; 119 bool mUIDValid; 120 uid_t mUID; 121 sp<IMediaHTTPService> mHTTPService; 122 AString mUri; 123 KeyedVector<String8, String8> mUriHeaders; 124 int mFd; 125 int64_t mOffset; 126 int64_t mLength; 127 128 sp<DataSource> mDataSource; 129 sp<NuCachedSource2> mCachedSource; 130 sp<DataSource> mHttpSource; 131 sp<WVMExtractor> mWVMExtractor; 132 sp<MetaData> mFileMeta; 133 DrmManagerClient *mDrmManagerClient; 134 sp<DecryptHandle> mDecryptHandle; 135 bool mStarted; 136 bool mStopRead; 137 String8 mContentType; 138 AString mSniffedMIME; 139 off64_t mMetaDataSize; 140 int64_t mBitrate; 141 int32_t mPollBufferingGeneration; 142 uint32_t mPendingReadBufferTypes; 143 mutable Mutex mReadBufferLock; 144 145 sp<ALooper> mLooper; 146 147 void resetDataSource(); 148 149 status_t initFromDataSource(); 150 void checkDrmStatus(const sp<DataSource>& dataSource); 151 int64_t getLastReadPosition(); 152 void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position); 153 154 status_t prefillCacheIfNecessary(); 155 156 void notifyPreparedAndCleanup(status_t err); 157 158 void onGetFormatMeta(sp<AMessage> msg) const; 159 sp<MetaData> doGetFormatMeta(bool audio) const; 160 161 void onGetSelectedTrack(sp<AMessage> msg) const; 162 ssize_t doGetSelectedTrack(media_track_type type) const; 163 164 void onSelectTrack(sp<AMessage> msg); 165 status_t doSelectTrack(size_t trackIndex, bool select); 166 167 void onSeek(sp<AMessage> msg); 168 status_t doSeek(int64_t seekTimeUs); 169 170 void onPrepareAsync(); 171 172 void fetchTextData( 173 uint32_t what, media_track_type type, 174 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 175 176 void sendTextData( 177 uint32_t what, media_track_type type, 178 int32_t curGen, sp<AnotherPacketSource> packets, sp<AMessage> msg); 179 180 sp<ABuffer> mediaBufferToABuffer( 181 MediaBuffer *mbuf, 182 media_track_type trackType, 183 int64_t *actualTimeUs = NULL); 184 185 void postReadBuffer(media_track_type trackType); 186 void onReadBuffer(sp<AMessage> msg); 187 void readBuffer( 188 media_track_type trackType, 189 int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL, bool formatChange = false); 190 191 void schedulePollBuffering(); 192 void cancelPollBuffering(); 193 void onPollBuffering(); 194 void notifyBufferingUpdate(int percentage); 195 196 DISALLOW_EVIL_CONSTRUCTORS(GenericSource); 197 }; 198 199 } // namespace android 200 201 #endif // GENERIC_SOURCE_H_ 202