1/* 2 * Copyright (C) 2010 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 MPEG2_TS_EXTRACTOR_H_ 18 19#define MPEG2_TS_EXTRACTOR_H_ 20 21#include <media/stagefright/foundation/ABase.h> 22#include <media/stagefright/MediaExtractor.h> 23#include <utils/threads.h> 24#include <utils/Vector.h> 25 26namespace android { 27 28struct AMessage; 29struct AnotherPacketSource; 30struct ATSParser; 31struct DataSource; 32struct MPEG2TSSource; 33struct String8; 34struct LiveSession; 35 36struct MPEG2TSExtractor : public MediaExtractor { 37 MPEG2TSExtractor(const sp<DataSource> &source); 38 39 virtual size_t countTracks(); 40 virtual sp<MediaSource> getTrack(size_t index); 41 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 42 43 virtual sp<MetaData> getMetaData(); 44 45 virtual uint32_t flags() const; 46 47 void setLiveSession(const sp<LiveSession> &liveSession); 48 void seekTo(int64_t seekTimeUs); 49 50private: 51 friend struct MPEG2TSSource; 52 53 mutable Mutex mLock; 54 55 sp<DataSource> mDataSource; 56 sp<LiveSession> mLiveSession; 57 58 sp<ATSParser> mParser; 59 60 Vector<sp<AnotherPacketSource> > mSourceImpls; 61 62 off64_t mOffset; 63 64 void init(); 65 status_t feedMore(); 66 67 DISALLOW_EVIL_CONSTRUCTORS(MPEG2TSExtractor); 68}; 69 70bool SniffMPEG2TS( 71 const sp<DataSource> &source, String8 *mimeType, float *confidence, 72 sp<AMessage> *); 73 74} // namespace android 75 76#endif // MPEG2_TS_EXTRACTOR_H_ 77