ATSParser.cpp revision b7c8e91880463ff4981e3e53e98e45d68e2fe374
1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ATSParser" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "ATSParser.h" 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "AnotherPacketSource.h" 246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber#include "ESQueue.h" 2585f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include "include/avc_utils.h" 26cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2785f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include <media/stagefright/foundation/ABitReader.h> 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ADebug.h> 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/AMessage.h> 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaDefs.h> 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaErrors.h> 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MetaData.h> 358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber#include <media/stagefright/Utils.h> 3632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 40cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 48386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 53cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 57cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 61f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 63cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 64cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 65bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 66bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 72386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8187f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8287f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 86f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 87386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 90bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 91bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 96cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 9987f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 104bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 105bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 106bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1085403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 10987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 116f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1172a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 124bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 12787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 12887f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 13590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 136386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1376a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 175cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 177386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 178f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 181bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 182bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 184cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 18806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 18906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 1988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21187f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 218b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 219b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 220b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 221b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 222b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 223b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 224b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 225b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 22732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 228f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 229f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 230f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 231f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 232f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 233f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2342a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2352a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 237bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 238bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 239bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 240bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 241bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 24206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 256f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2626e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 26687f2a558dd12043631e12c361abef301bf603140Andreas Huber 26787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 26887f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 26987f2a558dd12043631e12c361abef301bf603140Andreas Huber 2706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 274f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 281cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2993856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 300f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 301cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 323bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 324bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 325bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 326bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 327cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 328cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 331cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 333bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 334bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 335bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 336bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 337bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 338bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 339bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 340bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 341df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 342bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 343bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 34806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 349df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 35006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 35106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 35206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 353df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 356df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 360df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 39506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 39706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 399df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 40006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 40106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 402bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 403bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 404bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 406bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 407bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 408bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 409bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 41087f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 41187f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 41287f2a558dd12043631e12c361abef301bf603140Andreas Huber 413bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 414bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 41606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 41706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 418cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 419cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 420cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 421386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 422decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 426decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 427decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 428decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 429decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 430cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 433cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 434cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 435cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 436bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 437c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 438c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 439c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 440c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 441c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 442c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 443c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 444c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 445c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 446c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 447bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 448bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 44987f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 45087f2a558dd12043631e12c361abef301bf603140Andreas Huber 45187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 45287f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 45387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 45487f2a558dd12043631e12c361abef301bf603140Andreas Huber 45587f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 456bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 457bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 458cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 459cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 460bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 46187f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 46287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 46387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 46487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 465bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 466bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 467cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 46887f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 46987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4706a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 47190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 472386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 473386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 474386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 47587f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 47687f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 47787f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 47887f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 479386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4806e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 481386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 482386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 484386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 492386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 493386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 494386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 495386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 496386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 50090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 50190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mQueue = new ElementaryStreamQueue( 50290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ElementaryStreamQueue::PCM_AUDIO); 50390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber break; 50490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 505386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 506386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 507386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 508386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 51018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 51118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 51218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 51318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 51418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 515cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 517cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 518386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 519386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 520cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 521cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5225403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 52387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 524cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 52518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5265403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 52718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 52818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 52987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 53087f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 53187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 53287f2a558dd12043631e12c361abef301bf603140Andreas Huber 53387f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 53487f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 53587f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 53687f2a558dd12043631e12c361abef301bf603140Andreas Huber 53787f2a558dd12043631e12c361abef301bf603140Andreas Huber return OK; 53887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 53987f2a558dd12043631e12c361abef301bf603140Andreas Huber 54087f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 54187f2a558dd12043631e12c361abef301bf603140Andreas Huber 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 543cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 544cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5485403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5495403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5505403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5515403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5525403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 553cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 554cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 555cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 556cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 557cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 558cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5595403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 560cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 562cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 563f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5653e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5663e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5673e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5683e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5693e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 570df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("resizing buffer to %d bytes", neededSize); 5713e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5723e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5733e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5743e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5753e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5763e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5805403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5815403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 5856e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5866e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 5876e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 5886e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 5896e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 5906e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5916e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5926e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5936e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5946e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5956e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5966e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 5986e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5996e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 6006e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 6016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 60290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber case STREAMTYPE_PCM_AUDIO: 6036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 61032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 61132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6120389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6130389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 61418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 61518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 61618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 61718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6182a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6192a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6202a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6216e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 631f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 63332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6406e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 64232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 644e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 646f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 6486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 649bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 650f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 651bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 652f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 653f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 654f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6552a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6562a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6572a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6585403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 663386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 665386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6665403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6675403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 668386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 669386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 671cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 672cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 6896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 6906e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 6916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 6926e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 6953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 6983856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 7013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 702cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 7043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 7073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 73187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PTS = 0x%016llx (%.2f)", PTS, PTS / 90000.0); 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DTS = %llu", DTS); 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR = %llu", ESCR); 7666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7935403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 79429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 7955403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 7965403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 7975403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7985403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 7995403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 8005403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8010da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 8020da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8030da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8040da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8080da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8090da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8100da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8110da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 813f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("There's %d bytes of payload.", payloadSizeBits / 8); 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 818cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8245403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8255403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8285403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8305403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8365403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8375403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8405403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8415403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 84790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 84890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 84990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 85090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 85190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 85290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 85390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 85490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 85798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 85898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 85998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 86098a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 86182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 862386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 863decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 864decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 865decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 866decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 86782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8686a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 869386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8706a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 871386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 87282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8736a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 875386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 876386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8776a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8786a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 87982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 880386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 8812a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 8822a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 8832a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 8845bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 8855bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 886386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 8875bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 8886a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 88982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 89082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 89182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 89282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 893cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 894386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 895386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 896386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 898386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 899386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 901386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 902386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 903386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 904386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 906386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 907386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 908386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 909386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 910386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 911386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 912386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 913cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 914cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 915cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 916cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 917cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 918cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 919cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 920c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 92187f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 92287f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 92387f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 92487f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 926cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 927cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 930cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 93106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 932cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 933cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 934cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 93506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 936cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 937cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 93832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 93932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 940b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 941b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 942b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 943b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 944b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 945b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 946b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 94787f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 94887f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 94987f2a558dd12043631e12c361abef301bf603140Andreas Huber 95087f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 95187f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 95287f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 95387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 95487f2a558dd12043631e12c361abef301bf603140Andreas Huber 955f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 95632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 957f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 958f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 959f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 960f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 961f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 962f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 9632a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 964f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 9652a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 9662a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 9672a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 968cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 969cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 9703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 971cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 972cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 973cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 9743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 975cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 976cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 977cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 9786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 979cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 980cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 9813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 982f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 983cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 9856e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 9866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 9876e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 9886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 9896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 990cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 991cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 992cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 993cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 994cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 995cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 9963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 997cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 999cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 10016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1003cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1004cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1006cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1007386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1008386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1009386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1010386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1011386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1012386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1013386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1014386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1015386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1016386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1017386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1018386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1019386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1020386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1021386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1026cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1027cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1028cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1030cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 103206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1033cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 103487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1035cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const sp<PSISection> §ion = mPSISections.valueAt(sectionIndex); 10408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1041cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 10438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1044cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1045cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1046cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 10578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 10588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 10618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 10638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 10648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 10658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 10668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 10678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 10688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 10698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 10708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 10718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 10788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 10798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 10828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 10838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber section->clear(); 10878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 108806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1089cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1090cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1091cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1092cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 109306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1094cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 109587f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 109687f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 109706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 109806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 109906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 110006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 11073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 110906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 111006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 111387f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 111587f2a558dd12043631e12c361abef301bf603140Andreas Huber 1116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 111787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 111887f2a558dd12043631e12c361abef301bf603140Andreas Huber 111987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 112087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 112187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 112287f2a558dd12043631e12c361abef301bf603140Andreas Huber 112387f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 112487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 112587f2a558dd12043631e12c361abef301bf603140Andreas Huber 112687f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 112787f2a558dd12043631e12c361abef301bf603140Andreas Huber 112887f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 112987f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 113087f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 113187f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 113287f2a558dd12043631e12c361abef301bf603140Andreas Huber 113387f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 113487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 113587f2a558dd12043631e12c361abef301bf603140Andreas Huber 113687f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 113787f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 113887f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 113987f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 114087f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 114187f2a558dd12043631e12c361abef301bf603140Andreas Huber 114287f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 114387f2a558dd12043631e12c361abef301bf603140Andreas Huber 114487f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: PCR = 0x%016llx (%.2f)", 114587f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 114687f2a558dd12043631e12c361abef301bf603140Andreas Huber 114787f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 114887f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 114987f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 115087f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 115187f2a558dd12043631e12c361abef301bf603140Andreas Huber 115287f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 115387f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 115487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 115587f2a558dd12043631e12c361abef301bf603140Andreas Huber 115687f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 115787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 115887f2a558dd12043631e12c361abef301bf603140Andreas Huber 115987f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 116087f2a558dd12043631e12c361abef301bf603140Andreas Huber 116187f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 116506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 11663856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1168cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1169cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1170cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 1172cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1173cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 11743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1175cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11766e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1178cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 11793856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1180cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1182cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1183cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 11843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11860da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 118787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 11880da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1189df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 119287f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 119587f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 119687f2a558dd12043631e12c361abef301bf603140Andreas Huber 1197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 119887f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 119987f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 120106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 120287f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 120387f2a558dd12043631e12c361abef301bf603140Andreas Huber 120487f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1208386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1209386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1211386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1212386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1213386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1214386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1215386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1216386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1217386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 122843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 122943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 123043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 123143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 123243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 123343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 123443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 123587f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 123687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PID, uint64_t PCR, size_t byteOffsetFromStart) { 123787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PCR 0x%016llx @ %d", PCR, byteOffsetFromStart); 123887f2a558dd12043631e12c361abef301bf603140Andreas Huber 123987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 124087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 124187f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 124287f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 124387f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 124487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 124587f2a558dd12043631e12c361abef301bf603140Andreas Huber 124687f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 124787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 124887f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 124987f2a558dd12043631e12c361abef301bf603140Andreas Huber 125087f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 125187f2a558dd12043631e12c361abef301bf603140Andreas Huber 125287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 125387f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 125487f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 125587f2a558dd12043631e12c361abef301bf603140Andreas Huber 125687f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 125787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 125887f2a558dd12043631e12c361abef301bf603140Andreas Huber} 125987f2a558dd12043631e12c361abef301bf603140Andreas Huber 12608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 12618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 12638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 12668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 12698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 12708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 12718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 12728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 12748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 12768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 12798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 12808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 12818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 12828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 12858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 12888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 12898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 12918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 12948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 12968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 13008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 13018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 13028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 13058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 13068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 13098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 13108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 13138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1321