1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ATSParser" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "ATSParser.h" 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "AnotherPacketSource.h" 246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber#include "ESQueue.h" 2585f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include "include/avc_utils.h" 26cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2785f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include <media/stagefright/foundation/ABitReader.h> 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ADebug.h> 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/AMessage.h> 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaDefs.h> 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaErrors.h> 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MetaData.h> 358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber#include <media/stagefright/Utils.h> 3632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 40cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 48386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 53cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 57cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 61f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 63cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 64cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 65bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 66bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 72386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8187f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8287f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 86f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 87386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 90bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 91bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 96cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 9987f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 104bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 105bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 106bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1085403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 10987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 116f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1172a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 124bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 12787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 12887f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 13590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 136386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1376a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 175cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 177386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 178f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 181bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 182bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 184cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 18806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 18906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 1988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21187f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 2182a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 21932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 220f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 221f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 222f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 223f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 224f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 225f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2272a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 229bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 230bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 231bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 232bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 233bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 23406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 237cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 238cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 248f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2546e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2576e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 25887f2a558dd12043631e12c361abef301bf603140Andreas Huber 25987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 26087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 26187f2a558dd12043631e12c361abef301bf603140Andreas Huber 2626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 266f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 267cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 268cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 269cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 270bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 271bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 292f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 296cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 299cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 315bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 316bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 317bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 318bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 325bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 326bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 327bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 328bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 329bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 330bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 331bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 332bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 333df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 334bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 335bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 336bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 337bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 338bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 339bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 34006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 341df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 34206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 34306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 34406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 345df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 34606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 34706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 348df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 34906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 35006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 35106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 352df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 35306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 36006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 391df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 394bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 395bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 396bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 397bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 398bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 399bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 400bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 401bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 40287f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 40387f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 40487f2a558dd12043631e12c361abef301bf603140Andreas Huber 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 406bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 407bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 40806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 410cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 411cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 412cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 413386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 414decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 415cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 416cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 417cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 418decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 419decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 420decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 421decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 422cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 428bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 429c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 430c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 431c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 432c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 433c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 434c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 435c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 436c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 437c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 438c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 439bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 440bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 44187f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 44287f2a558dd12043631e12c361abef301bf603140Andreas Huber 44387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 44487f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 44587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 44687f2a558dd12043631e12c361abef301bf603140Andreas Huber 44787f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 448bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 449bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 450cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 451cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 452bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 45387f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 45487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 45587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 45687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 457bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 458bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 459cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 46087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 46187f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4626a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 46390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 464386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 465386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 466386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 46787f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 46887f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 46987f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 47087f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 471386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4726e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 473386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 474386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 475386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 476386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 477386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 478386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 479386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 480386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 481386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 482386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 484386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 49290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 49390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mQueue = new ElementaryStreamQueue( 49490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ElementaryStreamQueue::PCM_AUDIO); 49590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber break; 49690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 500386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 50218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 50318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 50418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 50518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 50618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 507cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 508cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 509cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 510386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 511386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 512cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 513cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5145403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 51587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 51718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5185403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 51918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 52018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 52187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 52287f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 52387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 52487f2a558dd12043631e12c361abef301bf603140Andreas Huber 52587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 52687f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 52787f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 52887f2a558dd12043631e12c361abef301bf603140Andreas Huber 52987f2a558dd12043631e12c361abef301bf603140Andreas Huber return OK; 53087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 53187f2a558dd12043631e12c361abef301bf603140Andreas Huber 53287f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 53387f2a558dd12043631e12c361abef301bf603140Andreas Huber 534cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 535cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 536cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 537cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 538cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 539cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5405403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5415403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5425403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5435403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5445403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 548cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 549cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 550cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5515403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 552cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 553cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 554cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 555f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5573e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5583e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5593e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5603e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5613e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 562df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("resizing buffer to %d bytes", neededSize); 5633e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5643e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5653e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5663e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5673e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5683e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5725403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5735403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5766e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 5776e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5786e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 5796e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 5806e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 5816e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 5826e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5836e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5856e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5866e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5876e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5886e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5896e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 5906e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5916e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 5926e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 5936e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 59490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 5956e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5966e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5986e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5996e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6006e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 60232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 60332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6040389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6050389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 60618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 60718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 60818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 60918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6102a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6112a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6122a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6216e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 623f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 62532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 63432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 636e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 638f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 6406e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 641bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 642f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 643bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 644f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 645f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 646f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6472a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6482a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6492a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6505403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6533856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 655386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 657386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6585403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6595403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 660386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 661386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 667cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 669cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 671cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 672cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 673cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 676cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6806e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 6816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 6826e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 6836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 6846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 6873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 6903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 6933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 6963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 6993856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 709cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 72387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PTS = 0x%016llx (%.2f)", PTS, PTS / 90000.0); 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DTS = %llu", DTS); 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 747cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR = %llu", ESCR); 7586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7855403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 78629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 7875403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 7885403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 7895403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7905403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 7915403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 7925403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7930da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 7940da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 7950da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7960da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8000da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8010da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8020da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8030da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 805f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("There's %d bytes of payload.", payloadSizeBits / 8); 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8165403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8175403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 818cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8225403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8285403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8295403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8325403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8335403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 83990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 84090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 84190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 84290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 84390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 84490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 84590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 84690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 84998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 85098a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 85198a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 85298a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 85382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 854386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 855decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 856decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 857decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 858decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 85982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8606a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 861386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8626a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 863386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 86482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8656a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8663856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 867386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 868386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8696a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8706a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 87182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 872386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 8732a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 8742a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 8752a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 8765bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 8775bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 878386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 8795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 8806a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 88182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 88282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 88382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 88482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 886386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 887386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 888386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8896e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 890386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 891386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 892386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 893386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 894386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 895386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 896386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 898386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 899386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 901386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 902386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 903386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 904386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 907cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 908cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 909cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 911cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 912c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 91387f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 91487f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 91587f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 91687f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 918cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 919cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 920cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 921cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 922cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 92306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 924cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 925cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 926cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 92706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 93032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 93132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 93287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (type == DISCONTINUITY_ABSOLUTE_TIME) { 93387f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 93487f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 93587f2a558dd12043631e12c361abef301bf603140Andreas Huber 93687f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 93787f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 93887f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 93987f2a558dd12043631e12c361abef301bf603140Andreas Huber } 94087f2a558dd12043631e12c361abef301bf603140Andreas Huber 941f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 94232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 943f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 944f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 945f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 946f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 947f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 948f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 9492a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 950f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 9512a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 9522a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 9532a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 954cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 9563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 957cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 958cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 959cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 9603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 961cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 962cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 963cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 9646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 965cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 966cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 9673856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 968f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 969cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 9716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 9726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 9736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 9746e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 9756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 976cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 977cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 978cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 979cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 980cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 981cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 9823856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 983cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 985cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 986cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 9876e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 988cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 989cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 990cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 992cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 993386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 994386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 995386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 996386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 997386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 998386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 999386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1000386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1001386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1002386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1003386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1004386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1005386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1006386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1007386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1012cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1013cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1014cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1016cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1017cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 101806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1019cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 102087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1021cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const sp<PSISection> §ion = mPSISections.valueAt(sectionIndex); 10268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1027cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 10298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1030cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1032cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 10438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 10448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 10478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 10498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 10508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 10518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 10528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 10538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 10548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 10558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 10568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 10578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 10648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 10658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 10688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 10698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber section->clear(); 10738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 107406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1075cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1076cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1077cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1078cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 107906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1080cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 108187f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 108287f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 108306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 108406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 108506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 108606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1087cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1088cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1089cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1090cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1091cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1092cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 10933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1094cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 109506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 109606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1097cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1098cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 109987f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1100cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 110187f2a558dd12043631e12c361abef301bf603140Andreas Huber 1102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 110387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 110487f2a558dd12043631e12c361abef301bf603140Andreas Huber 110587f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 110687f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 110787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 110887f2a558dd12043631e12c361abef301bf603140Andreas Huber 110987f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 111087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 111187f2a558dd12043631e12c361abef301bf603140Andreas Huber 111287f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 111387f2a558dd12043631e12c361abef301bf603140Andreas Huber 111487f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 111587f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 111687f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 111787f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 111887f2a558dd12043631e12c361abef301bf603140Andreas Huber 111987f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 112087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 112187f2a558dd12043631e12c361abef301bf603140Andreas Huber 112287f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 112387f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 112487f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 112587f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 112687f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 112787f2a558dd12043631e12c361abef301bf603140Andreas Huber 112887f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 112987f2a558dd12043631e12c361abef301bf603140Andreas Huber 113087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: PCR = 0x%016llx (%.2f)", 113187f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 113287f2a558dd12043631e12c361abef301bf603140Andreas Huber 113387f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 113487f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 113587f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 113687f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 113787f2a558dd12043631e12c361abef301bf603140Andreas Huber 113887f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 113987f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 114087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 114187f2a558dd12043631e12c361abef301bf603140Andreas Huber 114287f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 114387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 114487f2a558dd12043631e12c361abef301bf603140Andreas Huber 114587f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 114687f2a558dd12043631e12c361abef301bf603140Andreas Huber 114787f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 115106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 11523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11576e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 1158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 11603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 11653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1168cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1169cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 11703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1171cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11720da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 117387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 11740da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1175df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1176cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 117887f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1179cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1180cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 118187f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 118287f2a558dd12043631e12c361abef301bf603140Andreas Huber 1183cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 118487f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 118587f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 118706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 118887f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 118987f2a558dd12043631e12c361abef301bf603140Andreas Huber 119087f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1194386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1195386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1196cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1197386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1198386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1199386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1200386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1201386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1202386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1203386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 121343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 121443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 121543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 121643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 121743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 121843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 121943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 122043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 122187f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 122287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PID, uint64_t PCR, size_t byteOffsetFromStart) { 122387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PCR 0x%016llx @ %d", PCR, byteOffsetFromStart); 122487f2a558dd12043631e12c361abef301bf603140Andreas Huber 122587f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 122687f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 122787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 122887f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 122987f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 123087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 123187f2a558dd12043631e12c361abef301bf603140Andreas Huber 123287f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 123387f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 123487f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 123587f2a558dd12043631e12c361abef301bf603140Andreas Huber 123687f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 123787f2a558dd12043631e12c361abef301bf603140Andreas Huber 123887f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 123987f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 124087f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 124187f2a558dd12043631e12c361abef301bf603140Andreas Huber 124287f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 124387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 124487f2a558dd12043631e12c361abef301bf603140Andreas Huber} 124587f2a558dd12043631e12c361abef301bf603140Andreas Huber 12468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 12478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 12498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 12528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 12558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 12568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 12578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 12588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 12608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 12628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 12658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 12668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 12678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 12688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 12718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 12748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 12758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 12778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 12808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 12828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 12868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 12878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 12888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 12918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 12928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 12958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 12968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 12998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1307