ATSParser.cpp revision 386d609dc513e838c7e7c4c46c604493ccd560be
1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ATSParser" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "ATSParser.h" 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "AnotherPacketSource.h" 246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber#include "ESQueue.h" 2585f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include "include/avc_utils.h" 26cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2785f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include <media/stagefright/foundation/ABitReader.h> 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ADebug.h> 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/AMessage.h> 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaDefs.h> 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaErrors.h> 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MetaData.h> 3532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 36cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber do { unsigned tmp = y; LOGV(x, tmp); } while (0) 436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 44cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 47386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 50cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 51cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 52cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 5532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 56f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 572a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 58cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 59cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 60bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 61bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 6543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 66386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 67386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 68386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 69386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 70386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 72cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 73f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 75cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 76cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 77bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 78bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 79cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 80cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parseProgramMap(ABitReader *br); 81cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 82cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 86bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Stream(Program *program, unsigned elementaryPID, unsigned streamType); 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 88bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 89bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 90bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 91bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parse( 93cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 9732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 9832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 99f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1002a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 107bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 114bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber DiscontinuityType mPendingDiscontinuity; 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber sp<AMessage> mPendingDiscontinuityExtra; 116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 117386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1186a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void flush(); 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parsePES(ABitReader *br); 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 12782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 12832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void deferDiscontinuity( 12932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 130bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 136386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 137386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 138f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 139386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 140f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 141bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 142bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 143386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("new program number %u", programNumber); 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberbool ATSParser::Program::parsePID( 147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br) { 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (pid == mProgramMapPID) { 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramMap(br); 156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreams.editValueAt(index)->parse( 165cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 168cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 169cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 17032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 17132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 1722a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 17332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 174f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 175f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 176f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 177f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 178f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 179f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 1802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 1812a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 1822a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 183bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 184bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 185bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 186bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 187bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 188cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Program::parseProgramMap(ABitReader *br) { 189cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 1906e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 1946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indicator = %u", section_syntax_indicator); 1956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 196cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 1986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 199cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 202f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 203cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 2126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 2136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_info_length = %u", program_info_length); 217f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 221bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 222bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" stream_type = 0x%02x", streamType); 233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" elementary_PID = 0x%04x", elementaryPID); 238cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" ES_info_length = %u", ES_info_length); 243f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" len = %u", descLength); 256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 266bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 267bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 268bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 269bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 270cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 2756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 276bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 277bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 280bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 281bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 282bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 283bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 284bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber LOGI("uh oh. stream PIDs have changed."); 285bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 287bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 288bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 289bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 290bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 291bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.clear(); 292bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 293bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 294bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 295bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 296bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 297bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 298bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 299bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 300bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber sp<Stream> stream = new Stream(this, info.mPID, info.mType); 301bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 302bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 303bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 30432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber sp<AMessage> extra; 30532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber stream->signalDiscontinuity(DISCONTINUITY_FORMATCHANGE, extra); 306bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 307bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 308bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 312386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 313decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 317decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 318decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 319decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 320decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 324cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 325cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 326cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 327bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 328bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber if (!mFirstPTSValid) { 329bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid = true; 330bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS = PTS; 331bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS = 0; 332bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } else if (PTS < mFirstPTS) { 333bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS = 0; 334bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } else { 335bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS -= mFirstPTS; 336bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 337bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 338bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 339bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 340bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 341cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 342cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 343bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 344bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 345bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 346bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 347cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 3483831a066bcf1019864a94d2bc7b4c9241efc5c22Andreas Huber mBuffer(new ABuffer(192 * 1024)), 3496a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 350bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mPendingDiscontinuity(DISCONTINUITY_NONE), 351386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 352cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 353e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber 354386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 355386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 356386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::H264); 357386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 358386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO_ATDS: 359386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 360386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 361386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 362386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 363386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 364386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 365386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 366386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 367386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 368386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 369386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 370386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 371386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 372386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 373386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 374386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 375386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 376386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 377386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 378386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 379386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 380386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 381386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 382e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber LOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 383cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 384cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 385cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 386386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 387386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 388cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 389cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 390cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parse( 391cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 392cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 393cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 394cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 395cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 396cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 398cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber flush(); 399cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 400cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 401cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 402cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 403cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 404cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 405cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 406cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 407cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 409f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 410cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4113e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 4123e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 4133e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 4143e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 4153e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4163e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber LOGI("resizing buffer to %d bytes", neededSize); 4173e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4183e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 4193e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 4203e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 4213e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 4223e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 42832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 42932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 4302a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 4312a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 4322a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 433f933441648ef6a71dee783d733aac17b9508b452Andreas Huber switch (type) { 434f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_SEEK: 435f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_FORMATCHANGE: 436f933441648ef6a71dee783d733aac17b9508b452Andreas Huber { 437f933441648ef6a71dee783d733aac17b9508b452Andreas Huber bool isASeek = (type == DISCONTINUITY_SEEK); 438bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 439386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue->clear(!isASeek); 440f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 44132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber uint64_t resumeAtPTS; 44232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber if (extra != NULL 44332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber && extra->findInt64( 44432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber IStreamListener::kKeyResumeAtPTS, 44532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber (int64_t *)&resumeAtPTS)) { 44632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber int64_t resumeAtMediaTimeUs = 44732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 44832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 44932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 45032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber } 45132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 452f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 45332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mSource->queueDiscontinuity(type, extra); 454bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } else { 45532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber deferDiscontinuity(type, extra); 456f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 457f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 458e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 459f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 460f933441648ef6a71dee783d733aac17b9508b452Andreas Huber default: 461f933441648ef6a71dee783d733aac17b9508b452Andreas Huber TRESPASS(); 462f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 463bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 464f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 465bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 46632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::deferDiscontinuity( 46732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 468bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (type > mPendingDiscontinuity) { 469bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber // Only upgrade discontinuities. 470bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mPendingDiscontinuity = type; 47132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPendingDiscontinuityExtra = extra; 472bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 473bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber} 474bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 475f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 476f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 477f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 4782a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 4792a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 4802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 481cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parsePES(ABitReader *br) { 482cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 483cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 485cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Supposedly payload_unit_start=1 unit does not start " 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return; 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 492cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 493cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 494cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 4956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("stream_id = 0x%02x", stream_id); 496cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 497cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 4986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_packet_length = %u", PES_packet_length); 499cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 500cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 501cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 502cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 503cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 504cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 505cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 506cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 507cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 508cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 509cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 5116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 5126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 5136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 5146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 515cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 5176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 518cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 519cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 5206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR_flag = %u", ESCR_flag); 521cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 522cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 5236e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ES_rate_flag = %u", ES_rate_flag); 524cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 525cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 5266e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 527cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 5296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 530cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5316e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 5326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 533cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 534cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 5356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_header_data_length = %u", PES_header_data_length); 536cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 537cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 538cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 539cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 540cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 541cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 543cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 544cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 548cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 549cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 550cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 551cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 552cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS = %llu", PTS); 5546e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber // LOGI("PTS = %.2f secs", PTS / 90000.0f); 555cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 557cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 558cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 559cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 560cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 562cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 563cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 565cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 568cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DTS = %llu", DTS); 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 573cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 587cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR = %llu", ESCR); 5896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 590cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 593cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 594cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 595cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 597cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 599cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 6006e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 601cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 603cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 604cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 605cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 606cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 609cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 612cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 613cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 614cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6160da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 6170da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 6180da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6190da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 620cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 621cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 6230da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6240da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 6250da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 6260da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 627cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 628f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("There's %d bytes of payload.", payloadSizeBits / 8); 631cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 634cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 635cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 636cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 637cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 640cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::flush() { 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 644cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 645cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePES(&br); 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 6576e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onPayloadData mStreamType=0x%02x", mStreamType); 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 659386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mQueue == NULL) { 660386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return; 661386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 662386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK(PTS_DTS_flags == 2 || PTS_DTS_flags == 3); 664bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t timeUs = mProgram->convertPTSToTimestamp(PTS); 66582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 666386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 667decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 668decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 669decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 670decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 67182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 6726a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 673386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 6746a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 675386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 67682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 6776a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 678386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Stream PID 0x%08x of type 0x%02x now has data.", 679386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 680386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 6816a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 682f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 683bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (mPendingDiscontinuity != DISCONTINUITY_NONE) { 68432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mSource->queueDiscontinuity( 68532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPendingDiscontinuity, mPendingDiscontinuityExtra); 686bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mPendingDiscontinuity = DISCONTINUITY_NONE; 68732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPendingDiscontinuityExtra.clear(); 688bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 689bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 6906a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 69182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 692386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 6932a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 6942a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 6952a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 6965bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 6975bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 698386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 6995bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 7006a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 70182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 70282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 70382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 70482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 706386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 707386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 708386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 709386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_H264 710386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG1_VIDEO 711386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_VIDEO 712386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG4_VIDEO) { 713386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 714386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 715386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 716386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 717386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 718386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 719386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 720386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_MPEG1_AUDIO 721386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO 722386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO_ATDS) { 723386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 724386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 725386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 726386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 727386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 728386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 729386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::ATSParser() { 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::feedTSPacket(const void *data, size_t size) { 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 747cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseTS(&br); 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 75032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 75132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 752f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 75332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 754f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 755f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 756f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 757f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 758f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 759f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 7602a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 761f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 7622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 7632a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 7642a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 7676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 7716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indictor = %u", section_syntax_indictor); 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 7756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 7786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 779f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 7826e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 7836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 7846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 7856e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 7866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 7936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_number = %u", program_number); 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 796cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 7986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_map_PID = 0x%04x", programMapPID); 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 804386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 805386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 806386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 807386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 808386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 809386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 810386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 811386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 812386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 813386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 814386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 815386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 816386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 817386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 818386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8226e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parsePID( 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PID == 0) { 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramAssociationTable(br); 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 840cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PID, payload_unit_start_indicator, br)) { 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 8476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID 0x%04x not handled.", PID); 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 850cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 851cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseTS(ABitReader *br) { 8596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("---"); 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 861cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 865cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 8676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 868cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 871cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 8726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID = 0x%04x", PID); 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8746e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 875cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 8776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("adaptation_field_control = %u", adaptation_field_control); 878cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8790da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 8800da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber LOGV("continuity_counter = %u", continuity_counter); 8810da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8820da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber // LOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 884cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 886cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 889cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePID(br, PID, payload_unit_start_indicator); 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 891cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 892cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 893cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 894386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 895386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 896cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 897386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 898386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 899386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 901386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 902386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 903386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 904cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 907cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 908cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 909cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 911cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 912cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 91343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 91443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 91543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 91643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 91743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 91843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 91943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 92043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 921cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 922