ATSParser.cpp revision 9bf32f06e8971c1d3eb4fc5edd74b69557f97212
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 39b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross#include <inttypes.h> 40b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross 41cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 42cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 50386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 51cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 55cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 59cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 6132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 63f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 642a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 65cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 66cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 67bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 68bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 7143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 77386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 78386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8387f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8687f2a558dd12043631e12c361abef301bf603140Andreas Huber 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 88f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 89386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 90cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 91cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 92bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 93bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 96cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 99cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 100cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 10187f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 106bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 108bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 109bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 11187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 118f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1192a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 126bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 12987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 13087f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 13790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 138386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1396a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1405403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1415403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1516e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 176cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 178386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 181386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 182f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 183bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 184bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 19006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 19106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 2008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 2018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2125403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21387f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 220b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 221b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 222b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 223b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 224b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 225b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 226b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 227b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 22932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 230f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 231f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 232f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 233f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 234f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 235f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2372a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 239bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 240bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 241bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 242bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 243bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 24406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2503856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2546e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 258f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 26887f2a558dd12043631e12c361abef301bf603140Andreas Huber 26987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 27087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 27187f2a558dd12043631e12c361abef301bf603140Andreas Huber 2726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 276f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 280bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 281bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 299cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 3013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 302f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 324cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 325bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 326bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 327bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 328bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 331cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 332cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 333cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 335bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 336bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 337bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 338bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 339bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 340bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 341bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 342bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 343df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 348bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 349bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 35006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 351df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 35206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 35306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 355df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 358df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 36006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 362df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 39406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 39506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 39706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 401df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 40206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 40306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 404bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 406bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 407bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 408bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 409bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 410bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 411bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 41287f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 41387f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 41487f2a558dd12043631e12c361abef301bf603140Andreas Huber 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 416bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 417bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 41806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 41906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 420cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 421cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 422cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 423386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 424decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 428decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 429decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 430decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 431decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 433cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 434cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 435cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 436cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 437cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 438bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 439c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 440c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 441c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 442c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 443c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 444c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 445c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 446c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 447c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 448c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 449bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 450bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 45187f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 45287f2a558dd12043631e12c361abef301bf603140Andreas Huber 45387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 45487f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 45587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 45687f2a558dd12043631e12c361abef301bf603140Andreas Huber 457d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber if (mParser->mTimeOffsetValid) { 458d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber timeUs += mParser->mTimeOffsetUs; 459d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } 460d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 46187f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 462bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 463bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 464cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 465cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 466bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 46787f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 46887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 46987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 47087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 471bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 472bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 473cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 47487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 47587f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4766a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 47790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 478386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 479386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 480386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 48187f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 48287f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 48387f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 48487f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4866e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 492386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 493386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 494386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 495386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 496386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 500386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 501386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 502386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 503386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 504386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 505386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5069bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 507d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 508d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu mQueue = new ElementaryStreamQueue( 509d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu ElementaryStreamQueue::AC3); 510d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu break; 511d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu 512386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 513386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 514386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 515386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5163856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 51718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 51818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 51918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 52018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 52118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 522cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 523cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 524cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 525386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 526386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 527cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5295403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 53087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 531cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 53218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5335403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 53418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 53518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 53687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 53787f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 53887f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 53987f2a558dd12043631e12c361abef301bf603140Andreas Huber 54087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 54187f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 54287f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 54387f2a558dd12043631e12c361abef301bf603140Andreas Huber 54494a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#if 0 54594a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // Uncomment this if you'd rather see no corruption whatsoever on 54694a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // screen and suspend updates until we come across another IDR frame. 54794a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 54894a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber if (mStreamType == STREAMTYPE_H264) { 54994a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber ALOGI("clearing video queue"); 55094a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber mQueue->clear(true /* clearFormat */); 55194a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber } 55294a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#endif 55394a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 55466830855846db5c211c2da6c055ca9b4167e8974Chong Zhang if (!payload_unit_start_indicator) { 55566830855846db5c211c2da6c055ca9b4167e8974Chong Zhang return OK; 55666830855846db5c211c2da6c055ca9b4167e8974Chong Zhang } 55787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 55887f2a558dd12043631e12c361abef301bf603140Andreas Huber 55987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 56087f2a558dd12043631e12c361abef301bf603140Andreas Huber 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 562cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 563cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 565cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5675403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5685403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5695403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5705403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5715403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 573cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 582f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5843e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5853e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5863e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5873e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5883e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 589b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGI("resizing buffer to %zu bytes", neededSize); 5903e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5913e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5923e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5933e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5943e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5953e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 597cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5995403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6005403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 601cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 6046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 6066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 6076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 6086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 6096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 6176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 6196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 6206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 6219bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 622d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 6236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 63032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 63132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6320389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6330389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 63418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 63518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 63618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 63718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6392a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6402a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 651f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 65332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6546e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6556e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6566e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6576e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6586e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6596e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6606e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6616e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 66232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6636e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 664e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6656e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 666f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6676e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 668632740c58119a132ce19f6d498e39c5c3773971aChong Zhang mSource->queueDiscontinuity(type, extra, true); 669bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 670f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 671bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 672f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 673f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 674f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6752a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6762a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6772a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 683386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 685386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6865403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6875403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 688386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 689386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 690cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 702cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 7096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 7106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 7116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 7126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 7153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 7183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 7213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 7243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 7273856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 747cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 751b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PTS = 0x%016" PRIx64 " (%.2f)", PTS, PTS / 90000.0); 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 767b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("DTS = %" PRIu64, DTS); 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 785b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("ESCR = %" PRIu64, ESCR); 7866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 793cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 795cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 796cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7976e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8135403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 81429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 815b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross "payload. (numBitsLeft = %zu, required = %u)", 8165403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 8175403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8185403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 8195403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 8205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8210da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 8220da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8230da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8240da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8280da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8290da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8300da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8310da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 833f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 835b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("There's %zu bytes of payload.", payloadSizeBits / 8); 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 840cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8445403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8455403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8485403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8505403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 851cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 853b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("flushing stream 0x%04x size = %zu", mElementaryPID, mBuffer->size()); 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8565403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8575403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8605403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8615403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 864cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 86584333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t /* DTS */, 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 86790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 86890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 86990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 87090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 87190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 87290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 87390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 87490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 87798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 87898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 87998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 88098a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 88182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 882386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 883decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 884decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 885decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 886decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 88782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8886a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 889386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8906a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 891386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 89282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8936a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 895386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 896386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8976a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8986a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 89982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 9012a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 9022a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 9032a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 9045bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 9055bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 906386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 9075bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 9086a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 90982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 91082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 91182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 91282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 913cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 914386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 915386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 916386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 918386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 919386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 920386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 921386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 922386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 923386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 924386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 926386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 927386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 928386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 929386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 930386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 931386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 932386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 933cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 934cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 935cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 936cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 937cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 939cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 940c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 94187f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 94287f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 943d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid(false), 944d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs(0ll), 94587f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 94687f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 948cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 949cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 954cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 956cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 95706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 958cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 959cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 96032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 96132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 962b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 963b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 964b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 965b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 966b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 967b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 968b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 96987f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 97087f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 97187f2a558dd12043631e12c361abef301bf603140Andreas Huber 97287f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 97387f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 97487f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 975d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } else if (type == DISCONTINUITY_TIME_OFFSET) { 976d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber int64_t offset; 977d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber CHECK(extra->findInt64("offset", &offset)); 978d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 979d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid = true; 980d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs = offset; 981d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber return; 98287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 98387f2a558dd12043631e12c361abef301bf603140Andreas Huber 984f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 98532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 986f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 987f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 988f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 989f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 990f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 991f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 9922a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 993f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 9942a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 9952a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 9962a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 997cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 998cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 9993856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 1001cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 10033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 1004cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 1005cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1006cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 10076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1008cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1009cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 10103856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 1011f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 1012cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 10146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 10156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 10166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 10176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 10186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1019cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1020cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 1021cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 1022cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1023cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 1024cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 10253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 1026cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1028cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1029cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 10306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1032cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1033cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1035cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1036386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1037386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1038386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1039386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1040386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1041386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1042386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1043386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1044386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1045386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1046386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1047386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1048386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1049386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1050386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1055cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1056cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1057cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1059cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1060cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 106106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1062cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 106387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1064cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10684b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber sp<PSISection> section = mPSISections.valueAt(sectionIndex); 10698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1070cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 10728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1073cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1074cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1075cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 10858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 10868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 10898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 10918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 10928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 10938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 10948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 10958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 10968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 10978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 10988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 10998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 11028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 11038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 11068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 11078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 11108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 11114b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section.clear(); 11128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11154b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber if (section != NULL) { 11164b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section->clear(); 11174b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber } 11188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 111906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 112406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 112687f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 112787f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 112806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 112906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 113006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 113106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1136cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 11383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 114006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 114106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 114487f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 114687f2a558dd12043631e12c361abef301bf603140Andreas Huber 1147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 114887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 114987f2a558dd12043631e12c361abef301bf603140Andreas Huber 115087f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 115187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 115287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 115387f2a558dd12043631e12c361abef301bf603140Andreas Huber 115487f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 115587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 115687f2a558dd12043631e12c361abef301bf603140Andreas Huber 115787f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 115887f2a558dd12043631e12c361abef301bf603140Andreas Huber 115987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 116087f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 116187f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 116287f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 116387f2a558dd12043631e12c361abef301bf603140Andreas Huber 116487f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 116587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 116687f2a558dd12043631e12c361abef301bf603140Andreas Huber 116787f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 116887f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 116987f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 117087f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 117187f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 117287f2a558dd12043631e12c361abef301bf603140Andreas Huber 117387f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 117487f2a558dd12043631e12c361abef301bf603140Andreas Huber 1175b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PID 0x%04x: PCR = 0x%016" PRIx64 " (%.2f)", 117687f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 117787f2a558dd12043631e12c361abef301bf603140Andreas Huber 117887f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 117987f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 118087f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 118187f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 118287f2a558dd12043631e12c361abef301bf603140Andreas Huber 118387f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 118487f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 118587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 118687f2a558dd12043631e12c361abef301bf603140Andreas Huber 118787f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 118887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 118987f2a558dd12043631e12c361abef301bf603140Andreas Huber 119087f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 119187f2a558dd12043631e12c361abef301bf603140Andreas Huber 119287f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 119606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 11973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1199cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1201cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120252668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber if (br->getBits(1)) { // transport_error_indicator 120352668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber // silently ignore. 120452668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber return OK; 120552668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber } 1206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 12083856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 12133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 12183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12200da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 122187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 12220da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1223df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 122687f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122987f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 123087f2a558dd12043631e12c361abef301bf603140Andreas Huber 1231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 123287f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 123387f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1234cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 123506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 123687f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 123787f2a558dd12043631e12c361abef301bf603140Andreas Huber 123887f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1242386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1243386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1245386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1246386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1247386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1248386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1249386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1250386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1251386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 126143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 126243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 126343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 126443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 126543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 126643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 126743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 126843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 126987f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 127084333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned /* PID */, uint64_t PCR, size_t byteOffsetFromStart) { 1271b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PCR 0x%016" PRIx64 " @ %zu", PCR, byteOffsetFromStart); 127287f2a558dd12043631e12c361abef301bf603140Andreas Huber 127387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 127487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 127587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 127687f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 127787f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 127887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 127987f2a558dd12043631e12c361abef301bf603140Andreas Huber 128087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 128187f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 128287f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 128387f2a558dd12043631e12c361abef301bf603140Andreas Huber 128487f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 128587f2a558dd12043631e12c361abef301bf603140Andreas Huber 128687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 128787f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 128887f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 128987f2a558dd12043631e12c361abef301bf603140Andreas Huber 129087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 129187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 129287f2a558dd12043631e12c361abef301bf603140Andreas Huber} 129387f2a558dd12043631e12c361abef301bf603140Andreas Huber 12948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 12958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 12978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 13008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 13038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 13048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 13058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 13068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 13088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 13108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 13138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 13148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 13158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 13168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 13198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 13228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 13238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 13258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 13288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 13308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 13348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 13358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 13368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 13398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 13408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 13438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 13448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 13478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1354cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1355