ATSParser.cpp revision d5e56231a598b180a1d898bb7dc61b75580e59a4
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> 358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber#include <media/stagefright/Utils.h> 3632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 40cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 48386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 53cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 57cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 61f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 63cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 64cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 65bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 66bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 72386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8187f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8287f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 86f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 87386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 90bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 91bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 96cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 9987f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 104bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 105bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 106bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1085403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 10987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 116f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1172a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 124bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 12787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 12887f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 13590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 136386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1376a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 175cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 177386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 178f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 181bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 182bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 184cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 18806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 18906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 1988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21187f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 218b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 219b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 220b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 221b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 222b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 223b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 224b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 225b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 22732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 228f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 229f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 230f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 231f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 232f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 233f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2342a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2352a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 237bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 238bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 239bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 240bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 241bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 24206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 256f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 26687f2a558dd12043631e12c361abef301bf603140Andreas Huber 26787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 26887f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 26987f2a558dd12043631e12c361abef301bf603140Andreas Huber 2706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 274f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 281cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2993856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 300f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 301cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 323bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 324bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 325bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 326bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 327cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 328cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 331cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 333bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 334bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 335bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 336bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 337bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 338bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 339bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 340bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 341df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 342bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 343bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 34806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 349df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 35006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 35106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 35206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 353df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 356df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 360df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 39506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 399df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 40006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 40106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 402bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 403bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 404bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 406bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 407bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 408bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 409bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 41087f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 41187f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 41287f2a558dd12043631e12c361abef301bf603140Andreas Huber 413bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 414bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 41606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 41706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 418cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 419cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 420cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 421386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 422decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 426decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 427decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 428decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 429decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 430cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 433cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 434cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 435cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 436bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 437c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 438c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 439c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 440c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 441c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 442c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 443c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 444c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 445c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 446c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 447bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 448bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 44987f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 45087f2a558dd12043631e12c361abef301bf603140Andreas Huber 45187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 45287f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 45387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 45487f2a558dd12043631e12c361abef301bf603140Andreas Huber 455d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber if (mParser->mTimeOffsetValid) { 456d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber timeUs += mParser->mTimeOffsetUs; 457d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } 458d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 45987f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 460bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 461bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 462cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 463cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 464bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 46587f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 46687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 46787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 46887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 469bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 470bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 471cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 47287f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 47387f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4746a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 47590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 476386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 477386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 478386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 47987f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 48087f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 48187f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 48287f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 492386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 493386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 494386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 495386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 496386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 500386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 501386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 502386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 503386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 50490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 50590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mQueue = new ElementaryStreamQueue( 50690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ElementaryStreamQueue::PCM_AUDIO); 50790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber break; 50890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 509386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 510386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 511386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 512386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 51418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 51518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 51618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 51718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 51818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 519cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 520cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 521cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 522386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 523386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 524cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 525cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5265403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 52787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 52918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5305403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 53118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 53218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 53387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 53487f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 53587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 53687f2a558dd12043631e12c361abef301bf603140Andreas Huber 53787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 53887f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 53987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 54087f2a558dd12043631e12c361abef301bf603140Andreas Huber 54194a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#if 0 54294a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // Uncomment this if you'd rather see no corruption whatsoever on 54394a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // screen and suspend updates until we come across another IDR frame. 54494a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 54594a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber if (mStreamType == STREAMTYPE_H264) { 54694a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber ALOGI("clearing video queue"); 54794a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber mQueue->clear(true /* clearFormat */); 54894a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber } 54994a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#endif 55094a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 55187f2a558dd12043631e12c361abef301bf603140Andreas Huber return OK; 55287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 55387f2a558dd12043631e12c361abef301bf603140Andreas Huber 55487f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 55587f2a558dd12043631e12c361abef301bf603140Andreas Huber 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 557cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 558cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 559cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 560cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5625403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5635403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5645403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5665403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 568cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5735403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 577f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5793e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5803e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5813e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5823e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5833e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 584df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("resizing buffer to %d bytes", neededSize); 5853e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5863e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5873e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5883e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5893e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5903e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 593cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5945403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5955403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 597cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5986e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 5996e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6006e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 6016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 6026e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 6036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 6046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 6126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 6146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 6156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 61690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 6176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6216e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 62432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 62532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6260389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6270389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 62818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 62918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 63018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 63118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6322a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6332a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6342a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6406e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 645f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 64732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6516e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6536e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6546e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6556e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 65632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6576e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 658e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6596e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 660f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6616e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 6626e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 663bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 664f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 665bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 666f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 667f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 668f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6692a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6702a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6712a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6725403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 673cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 676cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 677386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 679386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6805403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6815403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 682386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 683386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 7036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 7046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 7056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 7066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 7093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 7123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 7153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 7183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 7213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7236e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7273856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 74587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PTS = 0x%016llx (%.2f)", PTS, PTS / 90000.0); 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 747cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DTS = %llu", DTS); 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7793856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR = %llu", ESCR); 7806e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 793cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 795cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 796cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8075403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 80829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 8095403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 8105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 8115403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8125403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 8135403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 8145403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8150da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 8160da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8170da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8180da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8220da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8230da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8240da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8250da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 827f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("There's %d bytes of payload.", payloadSizeBits / 8); 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 840cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8425403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8445403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8505403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8515403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8545403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8555403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 86190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 86290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 86390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 86490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 86590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 86690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 86790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 86890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 87198a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 87298a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 87398a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 87498a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 87582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 876386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 877decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 878decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 879decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 880decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 88182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8826a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 883386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8846a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 885386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 88682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8876a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8883856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 889386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 890386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8916a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8926a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 89382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 894386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 8952a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 8962a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 8972a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 8985bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 8995bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 9015bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 9026a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 90382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 90482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 90582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 90682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 907cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 908386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 909386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 910386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 912386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 913386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 914386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 915386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 916386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 917386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 918386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 920386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 921386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 922386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 923386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 924386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 925386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 926386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 927cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 930cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 931cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 932cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 933cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 934c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 93587f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 93687f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 937d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid(false), 938d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs(0ll), 93987f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 94087f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 942cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 943cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 944cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 945cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 946cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 94706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 948cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 949cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 95106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 953cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 95532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 956b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 957b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 958b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 959b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 960b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 961b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 962b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 96387f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 96487f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 96587f2a558dd12043631e12c361abef301bf603140Andreas Huber 96687f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 96787f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 96887f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 969d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } else if (type == DISCONTINUITY_TIME_OFFSET) { 970d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber int64_t offset; 971d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber CHECK(extra->findInt64("offset", &offset)); 972d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 973d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid = true; 974d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs = offset; 975d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber return; 97687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 97787f2a558dd12043631e12c361abef301bf603140Andreas Huber 978f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 97932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 980f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 981f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 982f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 983f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 984f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 985f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 9862a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 987f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 9882a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 9892a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 9902a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 991cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 992cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 9933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 994cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 995cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 996cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 9973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 998cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 999cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 10016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1003cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 10043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 1005f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 1006cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 10086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 10096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 10106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 10116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 10126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1013cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1014cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 1015cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 1016cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1017cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 1018cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 10193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 1020cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10216e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1022cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1023cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 10246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1025cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1026cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1027cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1029cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1030386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1031386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1032386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1033386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1034386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1035386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1036386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1037386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1038386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1039386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1040386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1041386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1042386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1043386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1044386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1049cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1050cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1051cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1053cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1054cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 105506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1056cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 105787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1058cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const sp<PSISection> §ion = mPSISections.valueAt(sectionIndex); 10638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1064cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 10668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1067cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1068cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1069cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 10808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 10818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 10848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 10868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 10878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 10888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 10898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 10908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 10918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 10928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 10938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 10948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 11018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 11028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 11058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 11068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber section->clear(); 11108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 111106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1115cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 111606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1117cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 111887f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 111987f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 112006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 112106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 112206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 112306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 11303856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 113206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 113306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 113687f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 113887f2a558dd12043631e12c361abef301bf603140Andreas Huber 1139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 114087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 114187f2a558dd12043631e12c361abef301bf603140Andreas Huber 114287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 114387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 114487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 114587f2a558dd12043631e12c361abef301bf603140Andreas Huber 114687f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 114787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 114887f2a558dd12043631e12c361abef301bf603140Andreas Huber 114987f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 115087f2a558dd12043631e12c361abef301bf603140Andreas Huber 115187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 115287f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 115387f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 115487f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 115587f2a558dd12043631e12c361abef301bf603140Andreas Huber 115687f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 115787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 115887f2a558dd12043631e12c361abef301bf603140Andreas Huber 115987f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 116087f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 116187f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 116287f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 116387f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 116487f2a558dd12043631e12c361abef301bf603140Andreas Huber 116587f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 116687f2a558dd12043631e12c361abef301bf603140Andreas Huber 116787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: PCR = 0x%016llx (%.2f)", 116887f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 116987f2a558dd12043631e12c361abef301bf603140Andreas Huber 117087f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 117187f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 117287f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 117387f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 117487f2a558dd12043631e12c361abef301bf603140Andreas Huber 117587f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 117687f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 117787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 117887f2a558dd12043631e12c361abef301bf603140Andreas Huber 117987f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 118087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 118187f2a558dd12043631e12c361abef301bf603140Andreas Huber 118287f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 118387f2a558dd12043631e12c361abef301bf603140Andreas Huber 118487f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 118806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 11893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 1195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1196cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 11973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1201cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 12023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1203cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 12073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12090da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 121087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 12110da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1212df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 121587f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 121887f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 121987f2a558dd12043631e12c361abef301bf603140Andreas Huber 1220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 122187f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 122287f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 122406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 122587f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 122687f2a558dd12043631e12c361abef301bf603140Andreas Huber 122787f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1231386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1232386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1234386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1235386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1236386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1237386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1238386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1239386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1240386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 125043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 125143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 125243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 125343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 125443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 125543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 125643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 125743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 125887f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 125987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PID, uint64_t PCR, size_t byteOffsetFromStart) { 126087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PCR 0x%016llx @ %d", PCR, byteOffsetFromStart); 126187f2a558dd12043631e12c361abef301bf603140Andreas Huber 126287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 126387f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 126487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 126587f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 126687f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 126787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 126887f2a558dd12043631e12c361abef301bf603140Andreas Huber 126987f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 127087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 127187f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 127287f2a558dd12043631e12c361abef301bf603140Andreas Huber 127387f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 127487f2a558dd12043631e12c361abef301bf603140Andreas Huber 127587f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 127687f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 127787f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 127887f2a558dd12043631e12c361abef301bf603140Andreas Huber 127987f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 128087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 128187f2a558dd12043631e12c361abef301bf603140Andreas Huber} 128287f2a558dd12043631e12c361abef301bf603140Andreas Huber 12838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 12848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 12868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 12898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 12928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 12938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 12948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 12958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 12978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 12998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 13028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 13038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 13048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 13058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 13088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 13118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 13128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 13148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 13178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 13198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 13238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 13248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 13258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 13288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 13298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 13328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 13338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 13368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1343cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1344