ATSParser.cpp revision 6456ae745e919085c5024f784aaa2703f9695f98
1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ATSParser" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "ATSParser.h" 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "AnotherPacketSource.h" 246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber#include "ESQueue.h" 2585f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include "include/avc_utils.h" 26cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2785f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include <media/stagefright/foundation/ABitReader.h> 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ADebug.h> 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/AMessage.h> 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaDefs.h> 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaErrors.h> 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MetaData.h> 358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber#include <media/stagefright/Utils.h> 3632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 39b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross#include <inttypes.h> 40b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross 41cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 42cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 50386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 51cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 55cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 59cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 6132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 63f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 642a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 65cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 66cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 67bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 68bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 7143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 77386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 78386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8387f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8687f2a558dd12043631e12c361abef301bf603140Andreas Huber 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 88f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 89386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 90cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 91cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 92bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 93bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 96cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 99cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 100cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 10187f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 106bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 108bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 109bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1105403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 11187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 118f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1192a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 126bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 12987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 13087f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 13790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 138386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1396a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1405403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1415403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 14882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1516e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 176cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 178386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 181386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 182f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 183bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 184bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 19006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 19106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 2008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 2018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2125403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21387f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 21932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 220b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 221b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 222b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 223b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 224b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 225b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 226b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 227b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 22932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 230f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 231f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 232f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 233f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 234f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 235f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2362a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2372a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 239bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 240bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 241bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 242bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 243bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 24406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 2476456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x02u) { 2486456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 2496456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 2506456ae745e919085c5024f784aaa2703f9695f98David Yeh } 2516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2536456ae745e919085c5024f784aaa2703f9695f98David Yeh if (section_syntax_indicator != 1u) { 2546456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 2556456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 2566456ae745e919085c5024f784aaa2703f9695f98David Yeh } 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 263f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 27387f2a558dd12043631e12c361abef301bf603140Andreas Huber 27487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 27587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 27687f2a558dd12043631e12c361abef301bf603140Andreas Huber 2776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2803856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 281f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 285bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 299cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 3013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 3063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 307f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 324cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 325cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 326cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 327cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 328cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 330bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 331bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 332bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 333bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 334cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 335cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 336cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 337cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 338cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 340bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 341bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 342bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 343bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 348df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 349bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 350bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 351bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 352bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 353bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 354bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 356df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 360df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 363df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 367df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 39406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 39506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 39606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 39806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 39906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 40006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 40206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 40306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 40406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 406df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 40706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 40806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 409bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 410bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 411bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 412bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 413bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 414bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 416bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 41787f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 41887f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 41987f2a558dd12043631e12c361abef301bf603140Andreas Huber 420bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 421bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 422bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 42306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 42406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 428386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 429decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 430cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 433decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 434decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 435decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 436decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 437cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 438cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 439cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 440cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 441cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 442cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 443bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 444c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 445c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 446c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 447c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 448c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 449c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 450c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 451c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 452c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 453c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 454bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 455bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 45687f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 45787f2a558dd12043631e12c361abef301bf603140Andreas Huber 45887f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 45987f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 46087f2a558dd12043631e12c361abef301bf603140Andreas Huber } 46187f2a558dd12043631e12c361abef301bf603140Andreas Huber 462d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber if (mParser->mTimeOffsetValid) { 463d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber timeUs += mParser->mTimeOffsetUs; 464d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } 465d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 46687f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 467bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 468bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 469cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 470cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 471bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 47287f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 47387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 47487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 47587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 476bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 477bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 478cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 47987f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 48087f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4816a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 48290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 483386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 484386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 485386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 48687f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 48787f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 48887f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 48987f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 490386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4916e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 492386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 493386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 494386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 495386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 496386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 500386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 501386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 502386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 503386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 504386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 505386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 506386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 507386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 508386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 509386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 510386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5119bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 512d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 513d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu mQueue = new ElementaryStreamQueue( 514d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu ElementaryStreamQueue::AC3); 515d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu break; 516d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu 517386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 518386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 519386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 520386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 52218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 52318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 52418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 52518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 52618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 527cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 529cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 530386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 531386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 532cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 533cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 53587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 536cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 53718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 53918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 54018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 54187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 54287f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 54387f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 54487f2a558dd12043631e12c361abef301bf603140Andreas Huber 54587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 54687f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 54787f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 54887f2a558dd12043631e12c361abef301bf603140Andreas Huber 54994a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#if 0 55094a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // Uncomment this if you'd rather see no corruption whatsoever on 55194a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // screen and suspend updates until we come across another IDR frame. 55294a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 55394a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber if (mStreamType == STREAMTYPE_H264) { 55494a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber ALOGI("clearing video queue"); 55594a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber mQueue->clear(true /* clearFormat */); 55694a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber } 55794a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#endif 55894a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 55966830855846db5c211c2da6c055ca9b4167e8974Chong Zhang if (!payload_unit_start_indicator) { 56066830855846db5c211c2da6c055ca9b4167e8974Chong Zhang return OK; 56166830855846db5c211c2da6c055ca9b4167e8974Chong Zhang } 56287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 56387f2a558dd12043631e12c361abef301bf603140Andreas Huber 56487f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 56587f2a558dd12043631e12c361abef301bf603140Andreas Huber 566cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 568cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5725403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5735403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5745403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5755403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5765403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5835403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 587f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 588cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5893e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5903e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5913e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5923e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5933e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 594b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGI("resizing buffer to %zu bytes", neededSize); 5953e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5963e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5973e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5983e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5993e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 6003e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 601cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 603cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 6045403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6055403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 606cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 6096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 6116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 6126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 6136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 6146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6196e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6216e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 6256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 6269bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 627d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 63532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 63632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6370389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6380389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 63918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 64018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 64118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 64218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6432a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6442a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6452a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6496e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6516e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6536e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6546e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6556e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 656f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6576e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 65832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6596e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6606e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6616e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6626e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6636e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6646e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6656e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6666e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 66732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6686e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 669e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6706e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 671f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6726e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 673632740c58119a132ce19f6d498e39c5c3773971aChong Zhang mSource->queueDiscontinuity(type, extra, true); 674bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 675f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 676bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 677f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 678f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 679f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6812a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6822a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6835403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 688386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 690386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6915403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6925403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 693386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 694386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6983856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 7013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 702cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 709cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 7146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 7156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 7166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 7176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 7203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 7233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 7263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 7293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 7323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 746cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7476456ae745e919085c5024f784aaa2703f9695f98David Yeh if (br->getBits(4) != PTS_DTS_flags) { 7486456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PES data Error!"); 7496456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 7506456ae745e919085c5024f784aaa2703f9695f98David Yeh } 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 758b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PTS = 0x%016" PRIx64 " (%.2f)", PTS, PTS / 90000.0); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 761cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 762cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 774b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("DTS = %" PRIu64, DTS); 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 792b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("ESCR = %" PRIu64, ESCR); 7936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 795cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 796cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 8046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 818cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 82129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 822b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross "payload. (numBitsLeft = %zu, required = %u)", 8235403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 8245403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8255403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 8265403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 8275403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8280da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 8290da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8300da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8310da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8350da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8360da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8370da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8380da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 840f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 842b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("There's %zu bytes of payload.", payloadSizeBits / 8); 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 850cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8515403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8525403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8555403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8575403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 860b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("flushing stream 0x%04x size = %zu", mElementaryPID, mBuffer->size()); 861cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8635403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8645403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 865cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8675403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8685403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 869cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 871cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 87284333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t /* DTS */, 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 87490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 87590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 87690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 87790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 87890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 87990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 88090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 88190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8823856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 88498a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 88598a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 88698a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 88798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 88882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 889386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 890decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 891decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 892decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 893decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 89482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8956a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 896386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 8976a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 898386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 89982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 9006a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 9013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 902386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 903386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 904309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih const char *mime; 905309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih if (meta->findCString(kKeyMIMEType, &mime) 906309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC) 907309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !IsIDR(accessUnit)) { 908309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih continue; 909309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih } 9106a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 9116a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 91282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 913386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 9142a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 9152a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 9162a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 9175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 9185bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 919386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 9205bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 9216a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 92282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 92382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 92482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 92582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 926cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 927386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 928386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 929386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 931386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 932386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 933386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 934386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 935386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 936386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 937386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 939386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 940386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 941386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 942386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 943386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 944386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 945386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 946cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 947cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 948cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 949cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 953c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 95487f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 95587f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 956d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid(false), 957d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs(0ll), 95887f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 95987f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 961cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 962cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 963cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 964cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 965cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 96606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 967cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 968cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 969cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 97006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 971cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 972cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 97332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 97432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 975b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 976b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 977b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 978b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 979b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 980b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 981b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 98287f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 98387f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 98487f2a558dd12043631e12c361abef301bf603140Andreas Huber 98587f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 98687f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 98787f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 988d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } else if (type == DISCONTINUITY_TIME_OFFSET) { 989d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber int64_t offset; 990d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber CHECK(extra->findInt64("offset", &offset)); 991d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 992d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid = true; 993d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs = offset; 994d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber return; 99587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 99687f2a558dd12043631e12c361abef301bf603140Andreas Huber 997f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 99832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 999f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 1000f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 1001f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 1002f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 1003f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 1004f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 10052a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1006f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 10072a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 10082a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 10092a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 1010cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 1011cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 10123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 10136456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x00u) { 10146456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PAT data error!"); 10156456ae745e919085c5024f784aaa2703f9695f98David Yeh return ; 10166456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1017cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 10183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 1019cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 1020cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1021cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 10226e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1023cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1024cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 10253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 1026f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 1027cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10286e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 10296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 10306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 10316e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 10326e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 10336e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1034cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1035cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 1036cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 1037cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1038cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 1039cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 10403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 1041cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1043cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1044cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 10456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1046cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1047cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1048cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10493856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1050cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1051386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1052386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1053386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1054386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1055386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1056386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1057386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1058386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1059386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1060386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1061386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1062386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1063386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1064386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1065386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1070cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1071cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1072cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1074cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1075cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 107606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1077cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 107887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1079cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10834b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber sp<PSISection> section = mPSISections.valueAt(sectionIndex); 10848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1085cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 10866456ae745e919085c5024f784aaa2703f9695f98David Yeh if (!section->isEmpty()) { 10876456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_UNSUPPORTED; 10886456ae745e919085c5024f784aaa2703f9695f98David Yeh } 10898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1090cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1091cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1092cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 10938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 10958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 10968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 10988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 10998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 11028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 11038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 11068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 11088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 11098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 11108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 11118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 11128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 11138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 11148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 11158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 11168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 11198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 11208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 11238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 11248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 11278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 11284b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section.clear(); 11298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11324b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber if (section != NULL) { 11334b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section->clear(); 11344b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber } 11358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 113606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 114106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 114387f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 114487f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 114506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 114606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 114706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 114806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 11553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 115706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 115806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 116187f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 116387f2a558dd12043631e12c361abef301bf603140Andreas Huber 1164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 116587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 116687f2a558dd12043631e12c361abef301bf603140Andreas Huber 116787f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 116887f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 116987f2a558dd12043631e12c361abef301bf603140Andreas Huber } 117087f2a558dd12043631e12c361abef301bf603140Andreas Huber 117187f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 117287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 117387f2a558dd12043631e12c361abef301bf603140Andreas Huber 117487f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 117587f2a558dd12043631e12c361abef301bf603140Andreas Huber 117687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 117787f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 117887f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 117987f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 118087f2a558dd12043631e12c361abef301bf603140Andreas Huber 118187f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 118287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 118387f2a558dd12043631e12c361abef301bf603140Andreas Huber 118487f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 118587f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 118687f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 118787f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 118887f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 118987f2a558dd12043631e12c361abef301bf603140Andreas Huber 119087f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 119187f2a558dd12043631e12c361abef301bf603140Andreas Huber 1192b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PID 0x%04x: PCR = 0x%016" PRIx64 " (%.2f)", 119387f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 119487f2a558dd12043631e12c361abef301bf603140Andreas Huber 119587f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 119687f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 119787f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 119887f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 119987f2a558dd12043631e12c361abef301bf603140Andreas Huber 120087f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 120187f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 120287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 120387f2a558dd12043631e12c361abef301bf603140Andreas Huber 120487f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 120587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 120687f2a558dd12043631e12c361abef301bf603140Andreas Huber 120787f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 120887f2a558dd12043631e12c361abef301bf603140Andreas Huber 120987f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 121306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 12143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 12176456ae745e919085c5024f784aaa2703f9695f98David Yeh if (sync_byte != 0x47u) { 12186456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("[error] parseTS: return error as sync_byte=0x%x", sync_byte); 12196456ae745e919085c5024f784aaa2703f9695f98David Yeh return BAD_VALUE; 12206456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122252668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber if (br->getBits(1)) { // transport_error_indicator 122352668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber // silently ignore. 122452668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber return OK; 122552668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber } 1226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 12283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1232cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 12333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1234cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1237cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 12383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12400da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 124187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 12420da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1243df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 124687f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 124987f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 125087f2a558dd12043631e12c361abef301bf603140Andreas Huber 1251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 125287f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 125387f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 125506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 125687f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 125787f2a558dd12043631e12c361abef301bf603140Andreas Huber 125887f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1262386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1263386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1265386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1266386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1267386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1268386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1269386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1270386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1271386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 128143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 128243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 128343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 128443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 128543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 128643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 128743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 128843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 128987f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 129084333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned /* PID */, uint64_t PCR, size_t byteOffsetFromStart) { 1291b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PCR 0x%016" PRIx64 " @ %zu", PCR, byteOffsetFromStart); 129287f2a558dd12043631e12c361abef301bf603140Andreas Huber 129387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 129487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 129587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 129687f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 129787f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 129887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 129987f2a558dd12043631e12c361abef301bf603140Andreas Huber 130087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 130187f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 130287f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 130387f2a558dd12043631e12c361abef301bf603140Andreas Huber 130487f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 130587f2a558dd12043631e12c361abef301bf603140Andreas Huber 130687f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 130787f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 130887f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 130987f2a558dd12043631e12c361abef301bf603140Andreas Huber 131087f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 131187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 131287f2a558dd12043631e12c361abef301bf603140Andreas Huber} 131387f2a558dd12043631e12c361abef301bf603140Andreas Huber 13148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 13158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 13178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 13208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 13238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 13248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 13258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 13268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 13288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 13308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 13338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 13348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 13358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 13368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 13398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 13428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 13438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 13458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 13488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 13508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 13548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 13558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 13568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 13598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 13608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 13638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 13648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 13678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1374cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1375