ATSParser.cpp revision 18ac5407da14dad9731f40ffc9a56bee73830019
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; 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 115386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1166a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 117cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void flush(); 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parsePES(ABitReader *br); 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 12582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 131386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 132386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 133f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 134386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 135f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 136bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 137bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 138386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("new program number %u", programNumber); 139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberbool ATSParser::Program::parsePID( 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br) { 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (pid == mProgramMapPID) { 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramMap(br); 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreams.editValueAt(index)->parse( 160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 16532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 16632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 1672a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 16832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 169f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 170f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 171f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 172f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 173f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 174f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 1752a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 1762a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 1772a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 178bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 179bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 180bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 181bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 182bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 183cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Program::parseProgramMap(ABitReader *br) { 184cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 1856e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 1896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indicator = %u", section_syntax_indicator); 1906e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 1936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 1966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 197f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 199cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2006e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 2076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 2086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_info_length = %u", program_info_length); 212f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 216bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 217bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" stream_type = 0x%02x", streamType); 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" elementary_PID = 0x%04x", elementaryPID); 233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" ES_info_length = %u", ES_info_length); 238f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2506e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" len = %u", descLength); 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 261bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 262bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 263bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 264bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 266cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 267cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 268cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 269cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 2706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 271bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 272bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 273bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 274bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 275bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 276bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 277bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber LOGI("uh oh. stream PIDs have changed."); 280bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 281bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 282bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 283bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 284bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 285bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.clear(); 287bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 288bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 289bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 290bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 291bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 292bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 293bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 294bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 295bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber sp<Stream> stream = new Stream(this, info.mPID, info.mType); 296bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 297bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 298bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 29932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber sp<AMessage> extra; 30032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber stream->signalDiscontinuity(DISCONTINUITY_FORMATCHANGE, extra); 301bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 302bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 303bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 307386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 308decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 312decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 313decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 314decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 315decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 322bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 323c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 324c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 325c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 326c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 327c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 328c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 329c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 330c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 331c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 332c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 333bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 334bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 335bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 336bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 337bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 338cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 339cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 340bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 341bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 342bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 343bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 344cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 3456a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 346386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 347386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 348386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 349386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::H264); 350386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 351386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO_ATDS: 352386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 353386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 354386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 355386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 356386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 357386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 358386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 359386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 360386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 361386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 362386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 363386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 364386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 365386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 366386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 367386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 368386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 369386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 370386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 371386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 372386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 373386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 374386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 375e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber LOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 37618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 37718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 37818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 37918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 38018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 381cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 382cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 383cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 384386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 385386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 386cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 387cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 388cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parse( 389cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 39018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 39118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 39218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 39318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 394cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 395cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 396cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 398cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 399cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 400cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber flush(); 401cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 402cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 403cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 404cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 405cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 406cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 407cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 409cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 410cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 411f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 412cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4133e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 4143e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 4153e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 4163e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 4173e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4183e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber LOGI("resizing buffer to %d bytes", neededSize); 4193e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4203e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 4213e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 4223e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 4233e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 4243e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 428cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 429cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 43032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 43132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 43218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 43318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 43418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 43518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 4362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 4372a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 4382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 439f933441648ef6a71dee783d733aac17b9508b452Andreas Huber switch (type) { 440f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_SEEK: 441f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_FORMATCHANGE: 442f933441648ef6a71dee783d733aac17b9508b452Andreas Huber { 443f933441648ef6a71dee783d733aac17b9508b452Andreas Huber bool isASeek = (type == DISCONTINUITY_SEEK); 444bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 445386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue->clear(!isASeek); 446f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 44732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber uint64_t resumeAtPTS; 44832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber if (extra != NULL 44932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber && extra->findInt64( 45032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber IStreamListener::kKeyResumeAtPTS, 45132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber (int64_t *)&resumeAtPTS)) { 45232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber int64_t resumeAtMediaTimeUs = 45332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 45432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 45532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 45632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber } 45732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 458f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 45932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mSource->queueDiscontinuity(type, extra); 460f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 461f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 462e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 463f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 464f933441648ef6a71dee783d733aac17b9508b452Andreas Huber default: 465f933441648ef6a71dee783d733aac17b9508b452Andreas Huber TRESPASS(); 466f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 467bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 468f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 469bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 470f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 471f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 472f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 4732a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 4742a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 4752a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 476cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parsePES(ABitReader *br) { 477cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 478cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4796e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 480cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 481386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 482386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Supposedly payload_unit_start=1 unit does not start " 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 484386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return; 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 487cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 488cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 489cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 4906e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("stream_id = 0x%02x", stream_id); 491cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 492cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 4936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_packet_length = %u", PES_packet_length); 494cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 495cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 496cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 497cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 498cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 499cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 500cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 501cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 502cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 503cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 504cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 5066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 5076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 5086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 5096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 510cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 511cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 5126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 513cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 514cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 5156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR_flag = %u", ESCR_flag); 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 517cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 5186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ES_rate_flag = %u", ES_rate_flag); 519cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 520cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 5216e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 522cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 523cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 5246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 525cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5266e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 5276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 529cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 5306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_header_data_length = %u", PES_header_data_length); 531cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 532cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 533cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 534cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 535cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 536cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 537cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 538cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 539cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 540cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 541cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 543cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 544cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS = %llu", PTS); 5496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber // LOGI("PTS = %.2f secs", PTS / 90000.0f); 550cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 551cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 552cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 553cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 554cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 555cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 557cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 558cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 559cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 560cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 562cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 563cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DTS = %llu", DTS); 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 568cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 573cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR = %llu", ESCR); 5846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 587cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 588cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 589cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 590cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 593cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 594cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 5956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 597cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 599cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 600cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 601cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 603cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 604cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 605cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 606cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 609cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6110da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 6120da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 6130da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6140da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 617cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 6180da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6190da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 6200da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 6210da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 623f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 624cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6256e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("There's %d bytes of payload.", payloadSizeBits / 8); 626cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 627cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 628cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 630cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 631cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 634cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 635cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 636cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::flush() { 637cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 640cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 644cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePES(&br); 645cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 646cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 6526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onPayloadData mStreamType=0x%02x", mStreamType); 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK(PTS_DTS_flags == 2 || PTS_DTS_flags == 3); 655bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t timeUs = mProgram->convertPTSToTimestamp(PTS); 65682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 657386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 658decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 659decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 660decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 661decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 66282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 6636a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 664386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 6656a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 666386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 66782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 6686a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 669386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Stream PID 0x%08x of type 0x%02x now has data.", 670386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 671386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 6726a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 6736a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 67482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 675386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 6762a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 6772a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 6782a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 6795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 6805bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 681386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 6825bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 6836a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 68482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 68582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 68682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 68782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 689386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 690386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 691386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 692386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_H264 693386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG1_VIDEO 694386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_VIDEO 695386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG4_VIDEO) { 696386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 697386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 698386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 699386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 700386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 701386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 702386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 703386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_MPEG1_AUDIO 704386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO 705386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO_ATDS) { 706386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 707386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 708386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 709386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 710386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 711386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 712386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 720c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 721c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber : mFlags(flags) { 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::feedTSPacket(const void *data, size_t size) { 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseTS(&br); 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 73432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 73532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 736f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 73732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 738f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 739f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 740f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 741f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 742f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 743f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 7442a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 745f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 7462a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 7472a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 7482a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 7516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 7556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indictor = %u", section_syntax_indictor); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 7596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 7626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 763f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 7666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 7676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 7686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 7696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 7706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 7776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_number = %u", program_number); 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7796e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 7826e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_map_PID = 0x%04x", programMapPID); 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 788386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 789386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 790386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 791386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 792386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 793386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 794386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 795386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 796386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 797386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 798386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 799386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 800386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 801386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 802386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parsePID( 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PID == 0) { 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramAssociationTable(br); 818cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PID, payload_unit_start_indicator, br)) { 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 8316e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID 0x%04x not handled.", PID); 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 840cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseTS(ABitReader *br) { 8436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("---"); 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 850cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 8516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 8566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID = 0x%04x", PID); 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 8616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("adaptation_field_control = %u", adaptation_field_control); 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8630da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 8640da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber LOGV("continuity_counter = %u", continuity_counter); 8650da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8660da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber // LOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 867cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 868cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 869cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 871cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 872cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePID(br, PID, payload_unit_start_indicator); 874cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 875cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 877cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 878386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 879386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 880cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 881386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 882386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 883386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 884386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 885386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 886386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 887386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 889cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 891cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 892cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 893cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 894cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 895cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 896cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 89743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 89843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 89943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 90043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 90143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 90243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 90343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 90443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 906