ATSParser.cpp revision 06528d7f18ad01377357d337eaa3e875a242bd2d
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, 5106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 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 8006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t 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, 14306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err) { 14406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 14506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (pid == mProgramMapPID) { 147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 15206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = parseProgramMap(br); 15306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreams.editValueAt(index)->parse( 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 165cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 16832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 16932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 1702a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 17132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 172f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 173f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 174f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 175f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 176f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 177f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 1782a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 1792a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 1802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 181bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 182bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 183bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 184bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 185bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 18606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 1886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 189cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 1926e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indicator = %u", section_syntax_indicator); 1936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 1966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 1996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 200f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 201cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 202cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 2106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 2116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_info_length = %u", program_info_length); 215f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 219bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 220bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" stream_type = 0x%02x", streamType); 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 234cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" elementary_PID = 0x%04x", elementaryPID); 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 238cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" ES_info_length = %u", ES_info_length); 241f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2506e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" len = %u", descLength); 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 264bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 265bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 266bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 267bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 268cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 269cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 270cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 2736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 274bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 275bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 276bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 277bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 280bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 281bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 282bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber LOGI("uh oh. stream PIDs have changed."); 283bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 284bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 285bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 287bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 288bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 28906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 29006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("before:"); 29106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 29206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 29306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 29406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 29506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 29606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 29706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("after:"); 29806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 29906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 30006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 30206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 30306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 30406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 30606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 30706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 30906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 31106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 31206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 31306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 31506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 31606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 31806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 31906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 32006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 32106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 32206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 32306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 32406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 32506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 32606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 32706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 32806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 32906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 33006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 33206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 33306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 33406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 33606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 33706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 33806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 34006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("Stream PIDs changed and we cannot recover."); 34106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 34206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 343bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 348bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 349bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 350bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 351bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber sp<Stream> stream = new Stream(this, info.mPID, info.mType); 352bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 353bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 354bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 357cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 358cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 359cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 360386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 361decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 362cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 363cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 364cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 365decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 366decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 367decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 368decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 369cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 370cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 371cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 372cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 373cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 374cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 375bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 376c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 377c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 378c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 379c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 380c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 381c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 382c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 383c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 384c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 385c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 386bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 387bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 388bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 389bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 390bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 391cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 392cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 393bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 394bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 395bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 396bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 3986a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 399386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 400386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 401386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 402386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::H264); 403386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 404386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO_ATDS: 405386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 406386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 407386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 408386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 409386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 410386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 411386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 412386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 413386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 414386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 415386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 416386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 417386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 418386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 419386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 420386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 421386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 422386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 423386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 424386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 425386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 426386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 427386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 428e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber LOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 42918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 43018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 43118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 43218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 43318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 434cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 435cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 436cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 437386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 438386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 439cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 440cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 441cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parse( 442cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 44318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 44418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 44518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 44618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 447cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 448cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 449cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 450cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 451cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 452cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 453cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber flush(); 454cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 455cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 456cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 457cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 458cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 459cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 460cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 461cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 462cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 463cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 464f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 465cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4663e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 4673e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 4683e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 4693e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 4703e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4713e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber LOGI("resizing buffer to %d bytes", neededSize); 4723e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4733e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 4743e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 4753e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 4763e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 4773e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 478cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 479cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 480cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 481cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 482cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 48332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 48432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 48518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 48618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 48718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 48818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 4892a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 4902a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 4912a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 492f933441648ef6a71dee783d733aac17b9508b452Andreas Huber switch (type) { 493f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_SEEK: 494f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_FORMATCHANGE: 495f933441648ef6a71dee783d733aac17b9508b452Andreas Huber { 496f933441648ef6a71dee783d733aac17b9508b452Andreas Huber bool isASeek = (type == DISCONTINUITY_SEEK); 497bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue->clear(!isASeek); 499f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 50032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber uint64_t resumeAtPTS; 50132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber if (extra != NULL 50232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber && extra->findInt64( 50332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber IStreamListener::kKeyResumeAtPTS, 50432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber (int64_t *)&resumeAtPTS)) { 50532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber int64_t resumeAtMediaTimeUs = 50632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 50732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 50832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 50932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber } 51032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 511f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 51232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mSource->queueDiscontinuity(type, extra); 513f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 514f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 515e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 516f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 517f933441648ef6a71dee783d733aac17b9508b452Andreas Huber default: 518f933441648ef6a71dee783d733aac17b9508b452Andreas Huber TRESPASS(); 519f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 520bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 521f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 522bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 523f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 524f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 525f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 5262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 5272a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 5282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 529cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parsePES(ABitReader *br) { 530cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 531cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 533cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 534386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 535386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Supposedly payload_unit_start=1 unit does not start " 536386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 537386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return; 538386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 539386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 540cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 541cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 5436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("stream_id = 0x%02x", stream_id); 544cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 5466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_packet_length = %u", PES_packet_length); 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 548cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 549cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 550cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 551cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 552cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 553cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 554cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 555cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 557cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 5596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 5606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 5616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 5626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 563cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 5656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 5686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR_flag = %u", ESCR_flag); 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 5716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ES_rate_flag = %u", ES_rate_flag); 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 573cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 5746e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 5776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5796e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 5806e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 5836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_header_data_length = %u", PES_header_data_length); 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 587cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 588cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 589cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 590cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 593cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 594cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 595cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 597cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 599cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 600cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS = %llu", PTS); 6026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber // LOGI("PTS = %.2f secs", PTS / 90000.0f); 603cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 604cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 605cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 606cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 609cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 612cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 613cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 614cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 617cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DTS = %llu", DTS); 619cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 620cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 621cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 623cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 624cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 625cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 626cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 627cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 628cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 630cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 631cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 634cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 635cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6366e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR = %llu", ESCR); 6376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 640cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 644cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 645cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 646cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 6486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 657cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6640da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 6650da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 6660da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6670da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 668cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 669cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 6710da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 6720da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 6730da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 6740da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 676f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("There's %d bytes of payload.", payloadSizeBits / 8); 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::flush() { 690cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePES(&br); 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 702cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 7056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onPayloadData mStreamType=0x%02x", mStreamType); 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK(PTS_DTS_flags == 2 || PTS_DTS_flags == 3); 708bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t timeUs = mProgram->convertPTSToTimestamp(PTS); 70982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 710386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 711decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 712decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 713decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 714decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 71582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 7166a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 717386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 7186a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 719386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 72082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 7216a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 722386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Stream PID 0x%08x of type 0x%02x now has data.", 723386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 724386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 7256a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 7266a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 72782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 728386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 7292a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 7302a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 7312a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 7325bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 7335bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 734386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 7355bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 7366a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 73782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 73882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 73982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 74082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 742386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 743386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 744386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 745386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_H264 746386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG1_VIDEO 747386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_VIDEO 748386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG4_VIDEO) { 749386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 750386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 751386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 752386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 753386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 754386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 755386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 756386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (mStreamType == STREAMTYPE_MPEG1_AUDIO 757386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO 758386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber || mStreamType == STREAMTYPE_MPEG2_AUDIO_ATDS) { 759386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 760386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 761386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 762386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 763386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 764386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 765386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 773c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 774c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber : mFlags(flags) { 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 78006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 78406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 78732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 78832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 789f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 79032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 791f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 792f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 793f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 794f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 795f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 796f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 7972a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 798f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 7992a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 8002a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 8012a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 8046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 8086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indictor = %u", section_syntax_indictor); 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 8126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 8156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 816f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 8196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 8206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 8216e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 8226e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 8236e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 8306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_number = %u", program_number); 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 8356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_map_PID = 0x%04x", programMapPID); 840cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 841386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 842386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 843386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 844386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 845386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 846386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 847386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 848386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 849386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 850386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 851386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 852386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 853386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 854386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 855386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 861cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 86206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 864cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 865cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PID == 0) { 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 867cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 868cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 869cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramAssociationTable(br); 87106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 872cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 874cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 875cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 87606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 877cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 87806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber PID, payload_unit_start_indicator, br, &err)) { 87906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 88006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 88106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 88206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 884cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 886cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 8896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID 0x%04x not handled.", PID); 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 89106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 89206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 893cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 894cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 895cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 896cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 897cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 898cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 899cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 900cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 901cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 90206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 9036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("---"); 904cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 907cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 909cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 9116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 912cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 914cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 915cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 9166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID = 0x%04x", PID); 917cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 919cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 920cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 9216e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("adaptation_field_control = %u", adaptation_field_control); 922cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9230da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 9240da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber LOGV("continuity_counter = %u", continuity_counter); 9250da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 9260da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber // LOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 927cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 930cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 931cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 932cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 93306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parsePID(br, PID, payload_unit_start_indicator); 934cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 93506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 93606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 937cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 939cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 940386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 941386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 942cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 943386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 944386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 945386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 946386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 947386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 948386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 949386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 953cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 954cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 956cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 957cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 958cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 96043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 96143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 96243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 96343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 96443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 96543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 96643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 967cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 968