ATSParser.cpp revision 8dfa228201131da0bf3ba1d74c819c27c0500f6b
1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ATSParser" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "ATSParser.h" 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "AnotherPacketSource.h" 246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber#include "ESQueue.h" 2585f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include "include/avc_utils.h" 26cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2785f12e9b9062402d6110df3f7099707912040edbAndreas Huber#include <media/stagefright/foundation/ABitReader.h> 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ADebug.h> 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/AMessage.h> 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaDefs.h> 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaErrors.h> 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MetaData.h> 358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber#include <media/stagefright/Utils.h> 3632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 40cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 48386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 53cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 54cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 5506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 56cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 5932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 60f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 612a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 62cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 63cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 64bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 65bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 6943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 70386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 72386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 73386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 80cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 81f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 82386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 85bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 86bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 90cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 91cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 93cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 94bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Stream(Program *program, unsigned elementaryPID, unsigned streamType); 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 96bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 97bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 98bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 99bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1005403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 10532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 10632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 107f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1082a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 115bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 117cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1246a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1255403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1265403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 13382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 163386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 164386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 165f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 166386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 167f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 168bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 169bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 1703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 171cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 172cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 1748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 17506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 17606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 1788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 1798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 180cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 18206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 1848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 1858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 1878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, unsigned payload_unit_start_indicator, 1888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 1898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1965403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 199cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 201cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 20232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 20332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 2042a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 20532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 206f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 207f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 208f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 209f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 210f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 211f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2122a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2132a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2142a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 215bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 216bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 217bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 218bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 219bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 22006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 2223856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2256e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 2263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 2276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 2306e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 232cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 234f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2386e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 2446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 2456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 249f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 253bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 254bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 256cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 267cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 268cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 270cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 275f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 276cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 277cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 278cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 279cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 281cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 282cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 283cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 285cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 288cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 289cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 290cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 292cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 296cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 298bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 299bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 300bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 301bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 3076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 308bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 309bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 310bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 311bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 312bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 313bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 314bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 315bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 316df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 317bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 318bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 319bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 320bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 321bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 322bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 32306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 324df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 32506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 32606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 32706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 328df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 32906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 33006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 331df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 33206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 33306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 33406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 335df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 33606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 33706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 33806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 34006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 34106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 34206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 34306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 34406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 34506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 34606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 34706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 34806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 34906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 35006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 35206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 35306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 35406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 35606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 35706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 36006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 36106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 36206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 36306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 36406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 36606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 36706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 36806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 36906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 37006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 37106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 37206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 37306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 374df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 37506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 37606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 377bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 378bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 379bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 380bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 381bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 382bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 383bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 384bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 385bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber sp<Stream> stream = new Stream(this, info.mPID, info.mType); 386bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 387bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 388bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 38906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 39006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 391cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 392cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 393cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 394386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 395decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 396cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 398cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 399decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 400decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 401decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 402decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 403cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 404cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 405cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 406cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 407cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 409bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 410c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 411c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 412c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 413c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 414c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 415c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 416c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 417c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 418c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 419c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 420bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 421bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 422bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 423bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 424bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 427bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 428bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 429bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 430bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 4326a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 433386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 434386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 435386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 436386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::H264); 437386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 439386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 440386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 441386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 442386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 443386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 444386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 445386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 446386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 447386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 448386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 449386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 450386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 451386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 452386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 453386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 454386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 455386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 456386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 457386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 458386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 459386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 460386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 461386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 4623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 46318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 46418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 46518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 46618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 46718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 468cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 469cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 470cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 471386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 472386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 473cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 474cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4755403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 476cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 47718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 4785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 47918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 48018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 481cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 482cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 483cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 484cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 485cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 486cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4875403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 4885403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 4895403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 4905403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 4915403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 492cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 493cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 494cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 495cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 496cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 497cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 4985403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 499cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 500cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 501cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 502f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 503cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5043e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 5053e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 5063e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 5073e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 5083e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 509df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("resizing buffer to %d bytes", neededSize); 5103e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 5113e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 5123e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 5133e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 5143e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 5153e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 517cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 518cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 5195403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 521cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 522cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5236e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 5246e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5256e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 5266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 5276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 5286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 5296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 5376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5386e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 5396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 5406e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 5416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 54832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 54932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 55018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 55118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 55218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 55318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 5542a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 5552a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 5562a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 5576e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 5586e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 5596e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 5606e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 5616e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5626e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 5636e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 5646e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 5656e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5666e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 567f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 5686e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 56932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 5706e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 5716e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 5726e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 5736e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 5746e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 5756e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 5766e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 5776e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 57832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 5796e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 580e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 5816e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 582f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 5836e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 5846e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 585bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 586f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 587bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 588f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 589f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 590f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 5912a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 5922a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 5932a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 5945403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 595cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 596cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 599386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 6003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 601386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 6025403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6035403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 604386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 605386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 606cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 6093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 6123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 613cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 614cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 617cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 618cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 619cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 620cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 621cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 623cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 6256e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 6266e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 6276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 6286e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 630cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 6313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 6343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 635cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 636cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 6373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 6403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 6433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 644cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 6466e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 6493856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 657cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 665cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6673856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS = %llu", PTS); 668df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PTS = %.2f secs", PTS / 90000.0f); 669cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 671cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 672cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 673cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 676cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DTS = %llu", DTS); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 690cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 700cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR = %llu", ESCR); 7036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 705cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 707cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 708cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 709cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 710cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 7146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7305403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 73129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 7325403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 7335403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 7345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7355403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 7365403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 7375403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7380da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 7390da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 7400da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7410da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 742cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 743cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 7450da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7460da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 7470da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 7480da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 750f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("There's %d bytes of payload.", payloadSizeBits / 8); 753cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 755cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 756cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 757cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 758cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 759cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 760cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 7615403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7625403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 763cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 764cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 7675403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 768cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 771cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 772cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 7735403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7745403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 775cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 776cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 7775403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7785403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 780cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 783cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 7843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 78698a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 78798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 78898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 78998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 79082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 791386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 792decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 793decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 794decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 795decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 79682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 7976a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 798386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 7996a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 800386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 80182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 8026a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 8033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 804386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 805386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 8066a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 8076a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 80882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 809386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 8102a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 8112a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 8122a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 8135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 8145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 815386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 8165bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 8176a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 81882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 81982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 82082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 82182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 823386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 824386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 825386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 827386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 828386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 829386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 830386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 831386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 832386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 833386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 835386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 836386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 837386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 838386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 839386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 840386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 841386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 849c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 850c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber : mFlags(flags) { 8518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 85706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 86106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 86432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 86532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 866f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 86732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 868f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 869f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 870f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 871f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 872f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 873f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 8742a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 875f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 8762a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 8772a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 8782a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 879cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 880cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 8813856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 882cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 884cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 8853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 886cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 8896e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 891cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 8923856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 893f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 894cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 8966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 8976e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 8986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 8996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 9006e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 901cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 902cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 903cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 904cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 9073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 908cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 911cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 9126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 913cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 914cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 915cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9163856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 917cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 918386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 919386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 920386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 921386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 922386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 923386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 924386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 925386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 926386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 927386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 928386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 929386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 930386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 931386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 932386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 9338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 9358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 9368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 937cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 939cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 941cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 942cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 94306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 944cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 945cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 9468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 9478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 9498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const sp<PSISection> §ion = mPSISections.valueAt(sectionIndex); 9508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 9528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK(section->isEmpty()); 9538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 954cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 956cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 9578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 9608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 9618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 9638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 9648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 9678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 9688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 9718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 9738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 9748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 9758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 9768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 9778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 9788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 9798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 9808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 9818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 9848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 9858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 9888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 9898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 9928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 9938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 9958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 9968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber section->clear(); 9978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 99806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 999cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1001cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 100306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1004cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 100506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber PID, payload_unit_start_indicator, br, &err)) { 100606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 100706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 100806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 100906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1010cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1011cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1012cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1013cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1014cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1015cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 10163856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1017cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 101806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 101906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1020cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1021cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1022cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 1023cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 1024cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 1025cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 1026cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1027cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1028cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 102906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 10303856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1032cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 1033cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 1034cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 1036cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1037cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 10383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1039cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1041cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1042cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 10433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1044cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1046cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1047cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 10483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1049cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10500da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 10513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("continuity_counter = %u", continuity_counter); 10520da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1053df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1054cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1055cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 1056cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 1057cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1058cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1059cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 106006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parsePID(br, PID, payload_unit_start_indicator); 1061cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 106206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 106306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1064cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1065cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1066cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1067386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1068386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1069cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1070386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1071386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1072386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1073386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1074386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1075386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1076386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1077cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1078cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1079cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1080cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1081cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1082cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1083cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1084cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1085cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 108643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 108743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 108843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 108943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 109043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 109143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 109243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 109343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 10948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 10958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 10978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 10988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 10998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 11008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 11038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 11048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 11058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 11068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 11088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 11108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 11128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 11138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 11148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 11158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 11168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 11198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 11228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 11238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 11258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 11288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 11298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 11308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 11348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 11358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 11368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 11398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 11408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 11438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 11448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 11478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 11488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 11518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 11528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 11538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1155