ATSParser.cpp revision 87f2a558dd12043631e12c361abef301bf603140
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 134386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1356a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1365403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1375403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 172cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 173cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 174386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 175386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 176f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 177386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 178f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 179bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 180bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 182cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 183cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 18606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 18706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 19887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 19987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 202cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 203cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2085403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 20987f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 2162a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 21732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 218f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 219f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 220f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 221f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 222f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 223f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2242a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2252a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 227bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 228bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 229bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 230bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 231bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 23206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 246f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2506e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2546e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 25687f2a558dd12043631e12c361abef301bf603140Andreas Huber 25787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 25887f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 25987f2a558dd12043631e12c361abef301bf603140Andreas Huber 2606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 264f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 266cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 267cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 268bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 269bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 270cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2793856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 290f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 296cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 301cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 313bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 314bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 315bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 316bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3226e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 323bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 324bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 325bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 326bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 327bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 328bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 329bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 330bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 331df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 332bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 333bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 334bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 335bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 336bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 337bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 33806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 339df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 34006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 34106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 34206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 343df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 34406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 34506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 346df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 34706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 34806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 34906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 350df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 35106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 35206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 35306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 36006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 389df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 392bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 393bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 394bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 395bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 396bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 397bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 398bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 399bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 40087f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 40187f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 40287f2a558dd12043631e12c361abef301bf603140Andreas Huber 403bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 404bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 40606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 409cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 410cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 411386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 412decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 413cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 414cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 415cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 416decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 417decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 418decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 419decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 420cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 421cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 422cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 426bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 427c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 428c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 429c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 430c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 431c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 432c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 433c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 434c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 435c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 436c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 437bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 438bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 43987f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 44087f2a558dd12043631e12c361abef301bf603140Andreas Huber 44187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 44287f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 44387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 44487f2a558dd12043631e12c361abef301bf603140Andreas Huber 44587f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 446bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 447bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 448cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 449cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 450bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 45187f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 45287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 45387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 45487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 455bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 456bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 457cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 45887f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 45987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4606a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 461386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 462386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 463386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 46487f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 46587f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 46687f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 46787f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 468386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4696e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 470386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 471386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 472386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 473386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 474386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 475386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 476386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 477386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 478386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 479386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 480386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 481386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 482386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 484386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 486386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 487386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 488386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 489386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 491386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 492386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 4933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 49418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 49518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 49618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 49718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 49818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 499cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 500cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 501cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 502386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 503386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 504cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 505cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5065403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 50787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 508cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 50918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 51118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 51218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 51387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 51487f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 51587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 51687f2a558dd12043631e12c361abef301bf603140Andreas Huber 51787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 51887f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 51987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 52087f2a558dd12043631e12c361abef301bf603140Andreas Huber 52187f2a558dd12043631e12c361abef301bf603140Andreas Huber return OK; 52287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 52387f2a558dd12043631e12c361abef301bf603140Andreas Huber 52487f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 52587f2a558dd12043631e12c361abef301bf603140Andreas Huber 526cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 527cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 529cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 530cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 531cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5325403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5335403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5355403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5365403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 537cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 538cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 539cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 540cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 541cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5435403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 544cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 545cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 547f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 548cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5493e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5503e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5513e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5523e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5533e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 554df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("resizing buffer to %d bytes", neededSize); 5553e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5563e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5573e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5583e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5593e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5603e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 561cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 562cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 563cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5645403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5686e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 5696e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5706e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 5716e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 5726e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 5736e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 5746e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5756e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5766e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5776e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5786e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5796e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5806e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5816e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 5826e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5836e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 5846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 5856e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 5866e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5876e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5886e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5896e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5906e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5916e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5926e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 59332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 59432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 59518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 59618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 59718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 59818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 5992a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6002a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6012a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6026e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 612f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 61432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6216e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 62332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 625e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 627f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 630bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 631f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 632bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 633f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 634f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 635f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6372a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 640cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 644386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 646386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6475403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6485403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 649386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 650386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6543856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 665cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 667cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 668cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 6706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 6716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 6726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 6736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 6763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 6793856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 6823856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 6853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 6883856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6906e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 6916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 6943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 702cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 709cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 71287f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PTS = 0x%016llx (%.2f)", PTS, PTS / 90000.0); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DTS = %llu", DTS); 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 734cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR = %llu", ESCR); 7476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7745403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 77529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 7765403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 7775403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 7785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7795403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 7805403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 7815403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7820da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 7830da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 7840da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7850da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 7890da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7900da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 7910da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 7920da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 793cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 794f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 795cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("There's %d bytes of payload.", payloadSizeBits / 8); 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8055403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8065403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8095403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8115403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8175403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8185403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8215403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8225403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 8283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 83098a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 83198a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 83298a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 83398a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 83482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 835386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 836decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 837decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 838decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 839decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 84082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8416a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 842386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8436a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 844386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 84582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8466a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 848386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 849386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8506a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8516a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 85282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 853386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 8542a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 8552a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 8562a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 8575bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 8585bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 859386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 8605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 8616a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 86282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 86382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 86482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 86582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 867386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 868386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 869386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8706e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 871386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 872386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 873386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 874386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 875386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 876386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 877386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8786e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 879386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 880386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 881386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 882386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 883386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 884386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 885386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 886cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 889cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 891cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 892cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 893c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 89487f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 89587f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 89687f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 89787f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 8988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 899cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 900cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 901cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 902cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 903cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 90406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 907cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 90806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 909cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 91132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 91232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 91387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (type == DISCONTINUITY_ABSOLUTE_TIME) { 91487f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 91587f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 91687f2a558dd12043631e12c361abef301bf603140Andreas Huber 91787f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 91887f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 91987f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 92087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 92187f2a558dd12043631e12c361abef301bf603140Andreas Huber 922f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 92332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 924f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 925f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 926f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 927f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 928f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 929f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 9302a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 931f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 9322a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 9332a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 9342a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 935cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 936cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 9373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 939cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 940cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 9413856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 942cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 943cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 944cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 9456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 946cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 947cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 9483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 949f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 9526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 9536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 9546e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 9556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 9566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 957cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 958cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 959cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 960cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 961cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 962cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 9633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 964cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 966cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 967cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 9686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 969cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 970cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 971cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9723856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 973cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 974386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 975386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 976386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 977386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 978386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 979386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 980386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 981386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 982386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 983386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 984386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 985386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 986386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 987386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 988386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 9898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 9918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 9928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 993cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 994cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 995cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 997cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 998cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 99906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 100187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const sp<PSISection> §ion = mPSISections.valueAt(sectionIndex); 10078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1008cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 10108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1011cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1012cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1013cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 10248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 10258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 10288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 10308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 10318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 10328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 10338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 10348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 10358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 10368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 10378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 10388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 10458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 10468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 10498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 10508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 10528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber section->clear(); 10548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 105506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1056cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1057cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1058cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1059cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 106006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1061cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 106287f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 106387f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 106406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 106506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 106606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 106706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1068cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1069cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1070cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1071cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1072cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1073cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 10743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1075cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 107606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 107706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1078cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1079cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 108087f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1081cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 108287f2a558dd12043631e12c361abef301bf603140Andreas Huber 1083cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 108487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 108587f2a558dd12043631e12c361abef301bf603140Andreas Huber 108687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 108787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 108887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 108987f2a558dd12043631e12c361abef301bf603140Andreas Huber 109087f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 109187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 109287f2a558dd12043631e12c361abef301bf603140Andreas Huber 109387f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 109487f2a558dd12043631e12c361abef301bf603140Andreas Huber 109587f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 109687f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 109787f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 109887f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 109987f2a558dd12043631e12c361abef301bf603140Andreas Huber 110087f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 110187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 110287f2a558dd12043631e12c361abef301bf603140Andreas Huber 110387f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 110487f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 110587f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 110687f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 110787f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 110887f2a558dd12043631e12c361abef301bf603140Andreas Huber 110987f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 111087f2a558dd12043631e12c361abef301bf603140Andreas Huber 111187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: PCR = 0x%016llx (%.2f)", 111287f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 111387f2a558dd12043631e12c361abef301bf603140Andreas Huber 111487f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 111587f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 111687f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 111787f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 111887f2a558dd12043631e12c361abef301bf603140Andreas Huber 111987f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 112087f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 112187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 112287f2a558dd12043631e12c361abef301bf603140Andreas Huber 112387f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 112487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 112587f2a558dd12043631e12c361abef301bf603140Andreas Huber 112687f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 112787f2a558dd12043631e12c361abef301bf603140Andreas Huber 112887f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 113206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 11333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1136cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11386e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 1139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 11413856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 11463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 11513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11530da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 115487f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 11550da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1156df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 115987f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 116287f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 116387f2a558dd12043631e12c361abef301bf603140Andreas Huber 1164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 116587f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 116687f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 116806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 116987f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 117087f2a558dd12043631e12c361abef301bf603140Andreas Huber 117187f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1172cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1173cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1175386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1176386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1178386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1180386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1181386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1182386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1183386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1184386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1188cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1189cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 119443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 119543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 119643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 119743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 119843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 119943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 120043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 120143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 120287f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 120387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PID, uint64_t PCR, size_t byteOffsetFromStart) { 120487f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PCR 0x%016llx @ %d", PCR, byteOffsetFromStart); 120587f2a558dd12043631e12c361abef301bf603140Andreas Huber 120687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 120787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 120887f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 120987f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 121087f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 121187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 121287f2a558dd12043631e12c361abef301bf603140Andreas Huber 121387f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 121487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 121587f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 121687f2a558dd12043631e12c361abef301bf603140Andreas Huber 121787f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 121887f2a558dd12043631e12c361abef301bf603140Andreas Huber 121987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 122087f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 122187f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 122287f2a558dd12043631e12c361abef301bf603140Andreas Huber 122387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 122487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 122587f2a558dd12043631e12c361abef301bf603140Andreas Huber} 122687f2a558dd12043631e12c361abef301bf603140Andreas Huber 12278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 12288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 12308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 12338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 12368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 12378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 12388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 12398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 12418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 12438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 12468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 12478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 12488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 12498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 12528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 12558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 12568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 12588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 12618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 12628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 12638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 12678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 12688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 12698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 12728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 12738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 12768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 12778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 12808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 12818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 12848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 12858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 12868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1288