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); 66bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool hasSource(SourceType type) const; 67cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 68bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 69bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 7043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 7143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 7243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 77386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 78386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 79386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8487f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8587f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8787f2a558dd12043631e12c361abef301bf603140Andreas Huber 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 89f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 90386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 91cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 93bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 94bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 99cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 100cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 10287f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 10387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 10487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 10587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 107bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 108bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 109bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 110bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1115403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 11287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 115cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 11732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 11832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 119f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1202a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool isAudio() const; 124bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool isVideo() const; 125bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 130bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 13387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 13487f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 136cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 14190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 142386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1436a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1445403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1455403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 15182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 15282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 177cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 178cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 179386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 180386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 181f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 182386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 183f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 184bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 185bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 188cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 19106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 19206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 196cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 19806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 2008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 2018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 2028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 20387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 20487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 207cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2135403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 21487f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 22032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 221b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 222b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 223b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 224b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 225b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 226b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 227b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 228b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2292a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 23032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 231f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 232f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 233f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 234f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 235f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 236f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2372a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2382a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2392a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 240bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 241bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 242bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 243bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 244bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 24506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 2486456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x02u) { 2496456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 2506456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 2516456ae745e919085c5024f784aaa2703f9695f98David Yeh } 2526e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2533856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2546456ae745e919085c5024f784aaa2703f9695f98David Yeh if (section_syntax_indicator != 1u) { 2556456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 2566456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 2576456ae745e919085c5024f784aaa2703f9695f98David Yeh } 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 264f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 266cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 27487f2a558dd12043631e12c361abef301bf603140Andreas Huber 27587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 27687f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 27787f2a558dd12043631e12c361abef301bf603140Andreas Huber 2786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 282f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 284cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 287bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 296cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 301cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 3023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 3073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 308f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 318cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 324cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 325cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 326cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 327cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 328cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 331bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 332bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 333bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 334bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 335cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 336cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 337cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 338cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 339cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 341bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 342bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 343bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 344bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 345bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 348bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 349df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 350bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 351bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 352bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 353bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 354bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 355bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 357df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 36006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 361df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 364df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 368df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 37406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 37806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 37906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 38006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 38206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 38306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 38506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 38606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 38706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 38806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 39106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 39306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 39406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 39506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 39606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 39706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 39906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 40006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 40106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 40306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 40406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 40506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 40606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 407df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 40806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 40906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 410bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 411bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 412bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 413bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 414bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 416bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 417bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 41887f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 41987f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 42087f2a558dd12043631e12c361abef301bf603140Andreas Huber 421bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 422bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 423bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 42406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 42506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 428cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 429386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 430decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 433cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 434decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 435decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 436decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 437decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 438cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 439cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 440cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 441cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 442cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 443cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 444bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shihbool ATSParser::Program::hasSource(SourceType type) const { 445bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih for (size_t i = 0; i < mStreams.size(); ++i) { 446bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih const sp<Stream> &stream = mStreams.valueAt(i); 447bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih if (type == AUDIO && stream->isAudio()) { 448bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 449bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } else if (type == VIDEO && stream->isVideo()) { 450bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 451bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 452bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 453bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 454bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return false; 455bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih} 456bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 457bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 458c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 459c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 460c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 461c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 462c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 463c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 464c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 465c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 466c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 467c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 468bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 469bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 47087f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 47187f2a558dd12043631e12c361abef301bf603140Andreas Huber 47287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 47387f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 47487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 47587f2a558dd12043631e12c361abef301bf603140Andreas Huber 476d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber if (mParser->mTimeOffsetValid) { 477d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber timeUs += mParser->mTimeOffsetUs; 478d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } 479d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 48087f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 481bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 482bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 483cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 484cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 485bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 48687f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 48787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 48887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 48987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 490bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 491bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 492cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 49387f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 49487f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 4956a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 49690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 497386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 498386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 499386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 50087f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 50187f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 50287f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 50387f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 504386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 5056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 506386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 507386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 508386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 509386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 510386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 511386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 512386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 513386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 514386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 515386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 516386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 517386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 518386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 519386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 520386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 521386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 522386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 523386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 524386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5259bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 526d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 527d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu mQueue = new ElementaryStreamQueue( 528d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu ElementaryStreamQueue::AC3); 529d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu break; 530d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu 531386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 532386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 533386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 534386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 53618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 53718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 53818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 53918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 54018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 541cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 542cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 543cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 544386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 545386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 546cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 547cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5485403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 54987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 550cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 55118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 5525403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 55318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 55418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 55587f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 55687f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 55787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 55887f2a558dd12043631e12c361abef301bf603140Andreas Huber 55987f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 56087f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 56187f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 56287f2a558dd12043631e12c361abef301bf603140Andreas Huber 56394a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#if 0 56494a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // Uncomment this if you'd rather see no corruption whatsoever on 56594a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // screen and suspend updates until we come across another IDR frame. 56694a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 56794a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber if (mStreamType == STREAMTYPE_H264) { 56894a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber ALOGI("clearing video queue"); 56994a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber mQueue->clear(true /* clearFormat */); 57094a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber } 57194a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#endif 57294a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 57366830855846db5c211c2da6c055ca9b4167e8974Chong Zhang if (!payload_unit_start_indicator) { 57466830855846db5c211c2da6c055ca9b4167e8974Chong Zhang return OK; 57566830855846db5c211c2da6c055ca9b4167e8974Chong Zhang } 57687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 57787f2a558dd12043631e12c361abef301bf603140Andreas Huber 57887f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 57987f2a558dd12043631e12c361abef301bf603140Andreas Huber 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5865403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 5875403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5885403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 5895403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 5905403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 593cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 594cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 595cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 5975403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 599cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 600cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 601f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6033e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 6043e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 6053e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 6063e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 6073e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 608b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGI("resizing buffer to %zu bytes", neededSize); 6093e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 6103e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 6113e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 6123e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 6133e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 6143e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 617cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 6185403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6195403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 620cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 621cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6226e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 6236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 6256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 6266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 6276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 6286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 6366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 6386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 6396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 6409bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 641d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 6426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 6466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 6486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 64932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 65032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 6510389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 6520389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 65318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 65418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 65518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 65618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 6572a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 6582a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 6592a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6606e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 6616e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 6626e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 6636e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6646e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6656e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 6666e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 6676e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 6686e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 6696e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 670f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6716e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 67232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6736e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 6746e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 6756e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 6766e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 6776e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 6786e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 6796e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 6806e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 68132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 682c6cfd70f24a11b946859485ce398a189c301a4e2Wei Jia extra->setInt64("resume-at-mediaTimeUs", resumeAtMediaTimeUs); 683e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 6846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 685f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6866e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 687632740c58119a132ce19f6d498e39c5c3773971aChong Zhang mSource->queueDiscontinuity(type, extra, true); 688bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 689f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 690bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 691f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 692f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 693f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 6942a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6952a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6962a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 6975403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 702386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 7033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 704386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 7055403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7065403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 707386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 708386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 709cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 7123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 7153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 7286e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 7296e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 7306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 7316e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 7343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 736cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 7373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 739cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 7403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 7433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 7463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 747cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 7496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 7523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7616456ae745e919085c5024f784aaa2703f9695f98David Yeh if (br->getBits(4) != PTS_DTS_flags) { 7626456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PES data Error!"); 7636456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 7646456ae745e919085c5024f784aaa2703f9695f98David Yeh } 765cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 770cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 772b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PTS = 0x%016" PRIx64 " (%.2f)", PTS, PTS / 90000.0); 773cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 774cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 788b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("DTS = %" PRIu64, DTS); 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 793cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 795cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 796cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 797cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 798cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 799cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 802cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 805cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 806b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("ESCR = %" PRIu64, ESCR); 8076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 808cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 8186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 829cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 832cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 83529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 836b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross "payload. (numBitsLeft = %zu, required = %u)", 8375403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 8385403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 8405403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 8415403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8420da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 8430da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 8440da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8450da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 8490da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 8500da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 8510da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 8520da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 854f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 856b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("There's %zu bytes of payload.", payloadSizeBits / 8); 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 861cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 864cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 8655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8665403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 867cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 868cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8695403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 8715403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 872cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 874b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("flushing stream 0x%04x size = %zu", mElementaryPID, mBuffer->size()); 875cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 8775403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 879cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 880cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 8815403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 8825403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 884cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 88684333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t /* DTS */, 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 88890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 88990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 89090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 89190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 89290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 89390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 89490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 89590a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 8963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 897cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 89898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 89998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 90098a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 90198a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 90282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 903386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 904decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 905decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 906decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 907decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 90882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 9096a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 910386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 9116a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 912386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 91382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 9146a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 9153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 916386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 917386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 918309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih const char *mime; 919309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih if (meta->findCString(kKeyMIMEType, &mime) 920309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC) 921309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !IsIDR(accessUnit)) { 922309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih continue; 923309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih } 9246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 9256a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 92682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 927386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 9282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 9292a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 9302a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 9315bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 9325bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 933386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 9345bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 9356a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 93682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 93782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 93882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 93982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 940cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 941386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 942386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 943386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 945386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 946386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 947386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 948386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 949386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 950386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 951386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 9526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 953386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 954386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 955386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 956386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 957386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 958386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 959386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 960cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 961cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 962cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 963cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 964cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 965cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 966cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 967c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 96887f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 96987f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 970d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid(false), 971d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs(0ll), 97287f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 97387f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 9748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 975cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 976cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 977cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 978cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 979cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 981cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 982cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 983cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 98406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 985cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 986cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 98732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 98832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 989b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 990b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 991b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 992b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 993b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 994b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 995b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 99687f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 99787f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 99887f2a558dd12043631e12c361abef301bf603140Andreas Huber 99987f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 100087f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 100187f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 1002d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } else if (type == DISCONTINUITY_TIME_OFFSET) { 1003d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber int64_t offset; 1004d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber CHECK(extra->findInt64("offset", &offset)); 1005d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 1006d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid = true; 1007d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs = offset; 1008d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber return; 100987f2a558dd12043631e12c361abef301bf603140Andreas Huber } 101087f2a558dd12043631e12c361abef301bf603140Andreas Huber 1011f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 101232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 1013f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 1014f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 1015f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 1016f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 1017f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 1018f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 10192a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1020f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 10212a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 10222a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 10232a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 1024cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 1025cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 10263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 10276456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x00u) { 10286456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PAT data error!"); 10296456ae745e919085c5024f784aaa2703f9695f98David Yeh return ; 10306456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 10323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 1033cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 1034cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1035cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 10366e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1037cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1038cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 10393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 1040f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 1041cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 10436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 10446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 10456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 10466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 10476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1048cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1049cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 1050cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 1051cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1052cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 1053cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 10543856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 1055cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1057cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1058cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 10596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1060cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1061cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1062cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1064cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1065386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1066386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1067386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1068386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1069386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1070386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1071386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1072386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1073386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1074386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1075386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1076386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1077386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1078386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1079386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 10808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 10828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 10838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1084cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1085cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1086cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10876e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1088cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1089cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 109006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1091cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 109287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1093cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 10948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 10958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 10974b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber sp<PSISection> section = mPSISections.valueAt(sectionIndex); 10988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1099cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 11006456ae745e919085c5024f784aaa2703f9695f98David Yeh if (!section->isEmpty()) { 11016456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_UNSUPPORTED; 11026456ae745e919085c5024f784aaa2703f9695f98David Yeh } 11038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 11078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 11098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 11108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 11128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 11138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 11168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 11178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 11208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 11228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 11238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 11248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 11258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 11268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 11278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 11288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 11298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 11308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 11338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 11348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 11378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 11388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 11418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 11424b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section.clear(); 11438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11464b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber if (section != NULL) { 11474b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section->clear(); 11484b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber } 11498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 115006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 115506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 115787f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 115887f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 115906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 116006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 116106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 116206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1165cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1168cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 11693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1170cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 117106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 117206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1173cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 117587f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1176cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 117787f2a558dd12043631e12c361abef301bf603140Andreas Huber 1178cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 117987f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 118087f2a558dd12043631e12c361abef301bf603140Andreas Huber 118187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 118287f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 118387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 118487f2a558dd12043631e12c361abef301bf603140Andreas Huber 118587f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 118687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 118787f2a558dd12043631e12c361abef301bf603140Andreas Huber 118887f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 118987f2a558dd12043631e12c361abef301bf603140Andreas Huber 119087f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 119187f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 119287f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 119387f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 119487f2a558dd12043631e12c361abef301bf603140Andreas Huber 119587f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 119687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 119787f2a558dd12043631e12c361abef301bf603140Andreas Huber 119887f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 119987f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 120087f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 120187f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 120287f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 120387f2a558dd12043631e12c361abef301bf603140Andreas Huber 120487f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 120587f2a558dd12043631e12c361abef301bf603140Andreas Huber 1206b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PID 0x%04x: PCR = 0x%016" PRIx64 " (%.2f)", 120787f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 120887f2a558dd12043631e12c361abef301bf603140Andreas Huber 120987f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 121087f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 121187f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 121287f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 121387f2a558dd12043631e12c361abef301bf603140Andreas Huber 121487f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 121587f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 121687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 121787f2a558dd12043631e12c361abef301bf603140Andreas Huber 121887f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 121987f2a558dd12043631e12c361abef301bf603140Andreas Huber } 122087f2a558dd12043631e12c361abef301bf603140Andreas Huber 122187f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 122287f2a558dd12043631e12c361abef301bf603140Andreas Huber 122387f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 12283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 12316456ae745e919085c5024f784aaa2703f9695f98David Yeh if (sync_byte != 0x47u) { 12326456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("[error] parseTS: return error as sync_byte=0x%x", sync_byte); 12336456ae745e919085c5024f784aaa2703f9695f98David Yeh return BAD_VALUE; 12346456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123652668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber if (br->getBits(1)) { // transport_error_indicator 123752668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber // silently ignore. 123852668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber return OK; 123952668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber } 1240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 12423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 12473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 12523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12540da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 125587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 12560da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1257df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 126087f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 126387f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 126487f2a558dd12043631e12c361abef301bf603140Andreas Huber 1265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 126687f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 126787f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1268cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 126906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 127087f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 127187f2a558dd12043631e12c361abef301bf603140Andreas Huber 127287f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1276386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1277386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1279386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1280386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1281386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1282386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1283386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1284386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1285386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1287cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1295bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shihbool ATSParser::hasSource(SourceType type) const { 1296bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih for (size_t i = 0; i < mPrograms.size(); ++i) { 1297bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih const sp<Program> &program = mPrograms.itemAt(i); 1298bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih if (program->hasSource(type)) { 1299bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 1300bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 1301bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 1302bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 1303bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return false; 1304bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih} 1305bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 130643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 130743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 130843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 130943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 131043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 131143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 131243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 131343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 131487f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 131584333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned /* PID */, uint64_t PCR, size_t byteOffsetFromStart) { 1316b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PCR 0x%016" PRIx64 " @ %zu", PCR, byteOffsetFromStart); 131787f2a558dd12043631e12c361abef301bf603140Andreas Huber 131887f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 131987f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 132087f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 132187f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 132287f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 132387f2a558dd12043631e12c361abef301bf603140Andreas Huber } 132487f2a558dd12043631e12c361abef301bf603140Andreas Huber 132587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 132687f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 132787f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 132887f2a558dd12043631e12c361abef301bf603140Andreas Huber 132987f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 133087f2a558dd12043631e12c361abef301bf603140Andreas Huber 133187f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 133287f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 133387f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 133487f2a558dd12043631e12c361abef301bf603140Andreas Huber 133587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 133687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 133787f2a558dd12043631e12c361abef301bf603140Andreas Huber} 133887f2a558dd12043631e12c361abef301bf603140Andreas Huber 13398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 13408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 13428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 13458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 13488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 13498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 13508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 13518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 13538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 13558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 13588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 13598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 13608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 13618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 13648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 13678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 13688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 13708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 13738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 13748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 13758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 13798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 13808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 13818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 13828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 13848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 13858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 13888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 13898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 13928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 13938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 13958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 13968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 13978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 13988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1399cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1400