ATSParser.cpp revision 5c9054bc6efc080b265e028f2ebb1abd2a2e3953
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> 389bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang#include <utils/Vector.h> 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 40b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross#include <inttypes.h> 41b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross 42cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 43cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 456e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block do { unsigned tmp = y; ALOGV(x, tmp); } while (0) 476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 50cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 51386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 52cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool parsePSISection( 548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err); 558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 56cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 5787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 5887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 5906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 60cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 6232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 6332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 64f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 652a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 66cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 67bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool hasSource(SourceType type) const; 68cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 69bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 70bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 7143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 7243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 7343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 7443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 75386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 76386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 77386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 78386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 79386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 80386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned programMapPID() const { 828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mProgramMapPID; 838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 8587f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags() const { 8687f2a558dd12043631e12c361abef301bf603140Andreas Huber return mParser->mFlags; 8787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 8887f2a558dd12043631e12c361abef301bf603140Andreas Huber 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 909bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang struct StreamInfo { 919bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang unsigned mType; 929bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang unsigned mPID; 939bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang }; 949bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 95f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 96386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 99bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 100bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 101799c9682b3776a55d234396aee4a302437150c26Chong Zhang int64_t mLastRecoveredPTS; 102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 104799c9682b3776a55d234396aee4a302437150c26Chong Zhang int64_t recoverPTS(uint64_t PTS_33bit); 1059bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang bool switchPIDs(const Vector<StreamInfo> &infos); 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 107cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 11187f2a558dd12043631e12c361abef301bf603140Andreas Huber Stream(Program *program, 11287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 11387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 11487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID); 115cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 116bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 117bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 118bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 119bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 1205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 12187f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 12632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 12732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 128f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1292a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 132bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool isAudio() const; 133bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih bool isVideo() const; 134bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 136cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 139bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 14287f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned mPCR_PID; 14387f2a558dd12043631e12c361abef301bf603140Andreas Huber int32_t mExpectedContinuityCounter; 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 146cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 147cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 148cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 14990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber uint64_t mPrevPTS; 15090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 151386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1526a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1535403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1545403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 16082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 16182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstruct ATSParser::PSISection : public RefBase { 1668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PSISection(); 1678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1688dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t append(const void *data, size_t size); 1698dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber void clear(); 1708dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1718dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isComplete() const; 1728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool isEmpty() const; 1738dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1748dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber const uint8_t *data() const; 1758dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t size() const; 1768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprotected: 1788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber virtual ~PSISection(); 1798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberprivate: 1818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> mBuffer; 1828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(PSISection); 1848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber}; 1858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 188386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 189386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 190f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 191386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 192f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 193bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 194799c9682b3776a55d234396aee4a302437150c26Chong Zhang mFirstPTS(0), 1959bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mLastRecoveredPTS(-1ll) { 1963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new program number %u", programNumber); 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePSISection( 2008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned pid, ABitReader *br, status_t *err) { 20106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 20206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 2038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (pid != mProgramMapPID) { 2048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 2058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 206cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = parseProgramMap(br); 20806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 2098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return true; 2108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 2118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 2128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::Program::parsePID( 21387f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned pid, unsigned continuity_counter, 21487f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned payload_unit_start_indicator, 2158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader *br, status_t *err) { 2168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber *err = OK; 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2235403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 22487f2a558dd12043631e12c361abef301bf603140Andreas Huber continuity_counter, payload_unit_start_indicator, br); 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 22932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 23032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 231b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 232b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 233b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 234b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 235b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 236b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mFirstPTSValid = false; 237b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 238b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 2392a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 24032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 241f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 242f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 243f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 244f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 245f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 246f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 2472a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 2482a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 2492a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 2509bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhangbool ATSParser::Program::switchPIDs(const Vector<StreamInfo> &infos) { 2519bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang bool success = false; 2529bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 2539bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (mStreams.size() == infos.size()) { 2549bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // build type->PIDs map for old and new mapping 2559bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang size_t i; 2569bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang KeyedVector<int32_t, Vector<int32_t> > oldType2PIDs, newType2PIDs; 2579bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang for (i = 0; i < mStreams.size(); ++i) { 2589bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang ssize_t index = oldType2PIDs.indexOfKey(mStreams[i]->type()); 2599bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (index < 0) { 2609bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang oldType2PIDs.add(mStreams[i]->type(), Vector<int32_t>()); 2619bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2629bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang oldType2PIDs.editValueFor(mStreams[i]->type()).push_back(mStreams[i]->pid()); 2639bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2649bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang for (i = 0; i < infos.size(); ++i) { 2659bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang ssize_t index = newType2PIDs.indexOfKey(infos[i].mType); 2669bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (index < 0) { 2679bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang newType2PIDs.add(infos[i].mType, Vector<int32_t>()); 2689bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2699bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang newType2PIDs.editValueFor(infos[i].mType).push_back(infos[i].mPID); 2709bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2719bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 2729bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // we can recover if the number of streams for each type hasn't changed 2739bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (oldType2PIDs.size() == newType2PIDs.size()) { 2749bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang success = true; 2759bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang for (i = 0; i < oldType2PIDs.size(); ++i) { 2769bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // KeyedVector is sorted, we just compare key and size of each index 2779bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (oldType2PIDs.keyAt(i) != newType2PIDs.keyAt(i) 2789bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang || oldType2PIDs[i].size() != newType2PIDs[i].size()) { 2799bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang success = false; 2809bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang break; 2819bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2829bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2839bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2849bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 2859bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (success) { 2869bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // save current streams to temp 2879bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang KeyedVector<int32_t, sp<Stream> > temp; 2889bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang for (i = 0; i < mStreams.size(); ++i) { 2899bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang temp.add(mStreams.keyAt(i), mStreams.editValueAt(i)); 2909bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 2919bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 2929bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mStreams.clear(); 2939bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang for (i = 0; i < temp.size(); ++i) { 2949bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // The two checks below shouldn't happen, 2959bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // we already checked above the stream count matches 2969bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang ssize_t index = newType2PIDs.indexOfKey(temp[i]->type()); 2979bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang CHECK(index >= 0); 2989bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang Vector<int32_t> &newPIDs = newType2PIDs.editValueAt(index); 2999bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang CHECK(newPIDs.size() > 0); 3009bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 3019bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // get the next PID for temp[i]->type() in the new PID map 3029bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang Vector<int32_t>::iterator it = newPIDs.begin(); 3039bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 3049bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // change the PID of the stream, and add it back 3059bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang temp.editValueAt(i)->setPID(*it); 3069bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mStreams.add(temp[i]->pid(), temp.editValueAt(i)); 3079bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 3089bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // removed the used PID 3099bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang newPIDs.erase(it); 3109bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 3119bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 3129bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 3139bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang return success; 3149bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang} 315bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 31606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 3183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 3196456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x02u) { 3206456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 3216456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 3226456ae745e919085c5024f784aaa2703f9695f98David Yeh } 3236e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 3243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indicator = %u", section_syntax_indicator); 3256456ae745e919085c5024f784aaa2703f9695f98David Yeh if (section_syntax_indicator != 1u) { 3266456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PMT data error!"); 3276456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 3286456ae745e919085c5024f784aaa2703f9695f98David Yeh } 329cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 3316e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 332cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 333cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 3343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 335f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 336cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 337cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3386e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 3396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 3406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 3416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 3426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 3436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 3446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 34587f2a558dd12043631e12c361abef301bf603140Andreas Huber 34687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID = br->getBits(13); 34787f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV(" PCR_PID = 0x%04x", PCR_PID); 34887f2a558dd12043631e12c361abef301bf603140Andreas Huber 3496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 350cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 351cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 3523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_info_length = %u", program_info_length); 353f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 354cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 355cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 356cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 357bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 358bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 359cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 360cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 361cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 362cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 363cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 364cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 365cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 366cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 367cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 3683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" stream_type = 0x%02x", streamType); 369cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 371cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 372cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 3733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" elementary_PID = 0x%04x", elementaryPID); 374cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 376cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 377cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 3783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" ES_info_length = %u", ES_info_length); 379f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 380cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 381cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 382cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 383cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 384cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 385cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 386cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 387cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 3886e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 389cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 390cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 3913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" len = %u", descLength); 392cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 393cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 394cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 395cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 396cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 398cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 399cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 400cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 401cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 402bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 403bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 404bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 405bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 406cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 407cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 409cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 410cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 4116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 412bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 413bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 414bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 415bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 416bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 417bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 418bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 419bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 420df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("uh oh. stream PIDs have changed."); 421bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 422bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 423bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 424bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 425bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 426bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 42706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 428df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("before:"); 42906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 43006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 43106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 432df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 43306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 43406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 435df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("after:"); 43606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 43706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 43806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 439df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 44006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 44106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 44206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 4439bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // we can recover if number of streams for each type remain the same 4449bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang bool success = switchPIDs(infos); 44506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 44606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 447df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Stream PIDs changed and we cannot recover."); 44806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 44906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 450bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 451bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 452bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 453bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 454bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 455bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 456bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 457bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 45887f2a558dd12043631e12c361abef301bf603140Andreas Huber sp<Stream> stream = new Stream( 45987f2a558dd12043631e12c361abef301bf603140Andreas Huber this, info.mPID, info.mType, PCR_PID); 46087f2a558dd12043631e12c361abef301bf603140Andreas Huber 461bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 462bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 463bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 46406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 46506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 466cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 467cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 468799c9682b3776a55d234396aee4a302437150c26Chong Zhangint64_t ATSParser::Program::recoverPTS(uint64_t PTS_33bit) { 469799c9682b3776a55d234396aee4a302437150c26Chong Zhang // We only have the lower 33-bit of the PTS. It could overflow within a 470799c9682b3776a55d234396aee4a302437150c26Chong Zhang // reasonable amount of time. To handle the wrap-around, use fancy math 471799c9682b3776a55d234396aee4a302437150c26Chong Zhang // to get an extended PTS that is within [-0xffffffff, 0xffffffff] 472799c9682b3776a55d234396aee4a302437150c26Chong Zhang // of the latest recovered PTS. 4739bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (mLastRecoveredPTS < 0ll) { 4749bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // Use the original 33bit number for 1st frame, the reason is that 4759bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // if 1st frame wraps to negative that's far away from 0, we could 4769bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // never start. Only start wrapping around from 2nd frame. 4779bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mLastRecoveredPTS = static_cast<int64_t>(PTS_33bit); 4789bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } else { 4799bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mLastRecoveredPTS = static_cast<int64_t>( 4809bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang ((mLastRecoveredPTS - PTS_33bit + 0x100000000ll) 4819bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang & 0xfffffffe00000000ull) | PTS_33bit); 4829bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // We start from 0, but recovered PTS could be slightly below 0. 4839bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // Clamp it to 0 as rest of the pipeline doesn't take negative pts. 4849bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang // (eg. video is read first and starts at 0, but audio starts at 0xfffffff0) 4859bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang if (mLastRecoveredPTS < 0ll) { 4865c9054bc6efc080b265e028f2ebb1abd2a2e3953Chih-Hung Hsieh ALOGI("Clamping negative recovered PTS (%" PRId64 ") to 0", mLastRecoveredPTS); 4879bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang mLastRecoveredPTS = 0ll; 4889bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 4899bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang } 4909bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang 4919bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang return mLastRecoveredPTS; 492799c9682b3776a55d234396aee4a302437150c26Chong Zhang} 493799c9682b3776a55d234396aee4a302437150c26Chong Zhang 494cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 495386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 496decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 497cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 498cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 499cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 500decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 501decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 502decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 503decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 504cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 505cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 506cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 507cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 508cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 509cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 510bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shihbool ATSParser::Program::hasSource(SourceType type) const { 511bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih for (size_t i = 0; i < mStreams.size(); ++i) { 512bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih const sp<Stream> &stream = mStreams.valueAt(i); 513bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih if (type == AUDIO && stream->isAudio()) { 514bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 515bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } else if (type == VIDEO && stream->isVideo()) { 516bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 517bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 518bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 519bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 520bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return false; 521bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih} 522bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 523bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 524799c9682b3776a55d234396aee4a302437150c26Chong Zhang PTS = recoverPTS(PTS); 525799c9682b3776a55d234396aee4a302437150c26Chong Zhang 526c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 527c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 528c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 529c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 530c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 531c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 532c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 533c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 534c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 535c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 536bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 537bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 53887f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs = (PTS * 100) / 9; 53987f2a558dd12043631e12c361abef301bf603140Andreas Huber 54087f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mParser->mAbsoluteTimeAnchorUs >= 0ll) { 54187f2a558dd12043631e12c361abef301bf603140Andreas Huber timeUs += mParser->mAbsoluteTimeAnchorUs; 54287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 54387f2a558dd12043631e12c361abef301bf603140Andreas Huber 544d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber if (mParser->mTimeOffsetValid) { 545d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber timeUs += mParser->mTimeOffsetUs; 546d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } 547d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 54887f2a558dd12043631e12c361abef301bf603140Andreas Huber return timeUs; 549bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 550bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 551cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 552cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 553bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 55487f2a558dd12043631e12c361abef301bf603140Andreas Huber Program *program, 55587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned elementaryPID, 55687f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned streamType, 55787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_PID) 558bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 559bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 560cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 56187f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR_PID(PCR_PID), 56287f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter(-1), 5636a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 56490a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS(0), 565386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 566386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 567386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 56887f2a558dd12043631e12c361abef301bf603140Andreas Huber mQueue = new ElementaryStreamQueue( 56987f2a558dd12043631e12c361abef301bf603140Andreas Huber ElementaryStreamQueue::H264, 57087f2a558dd12043631e12c361abef301bf603140Andreas Huber (mProgram->parserFlags() & ALIGNED_VIDEO_DATA) 57187f2a558dd12043631e12c361abef301bf603140Andreas Huber ? ElementaryStreamQueue::kFlag_AlignedData : 0); 572386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 5736e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 574386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 575386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 576386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 577386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 578386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 579386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 580386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 581386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 582386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 583386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 584386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 585386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 586386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 587386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 588386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 589386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 590386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 591386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 592386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 5939bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 594d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 595d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu mQueue = new ElementaryStreamQueue( 596d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu ElementaryStreamQueue::AC3); 597d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu break; 598d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu 599386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 600386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 601386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 602386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 6033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 60418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 60518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 60618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 60718ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 60818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 609cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 612386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 613386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 614cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6165403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 61787f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 618cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 61918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 6205403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 62118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 62218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 62387f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mExpectedContinuityCounter >= 0 62487f2a558dd12043631e12c361abef301bf603140Andreas Huber && (unsigned)mExpectedContinuityCounter != continuity_counter) { 62587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGI("discontinuity on stream pid 0x%04x", mElementaryPID); 62687f2a558dd12043631e12c361abef301bf603140Andreas Huber 62787f2a558dd12043631e12c361abef301bf603140Andreas Huber mPayloadStarted = false; 62887f2a558dd12043631e12c361abef301bf603140Andreas Huber mBuffer->setRange(0, 0); 62987f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = -1; 63087f2a558dd12043631e12c361abef301bf603140Andreas Huber 63194a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#if 0 63294a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // Uncomment this if you'd rather see no corruption whatsoever on 63394a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber // screen and suspend updates until we come across another IDR frame. 63494a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 63594a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber if (mStreamType == STREAMTYPE_H264) { 63694a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber ALOGI("clearing video queue"); 63794a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber mQueue->clear(true /* clearFormat */); 63894a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber } 63994a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber#endif 64094a483bf2bd699275673d9cd57cb125d48572f30Andreas Huber 64166830855846db5c211c2da6c055ca9b4167e8974Chong Zhang if (!payload_unit_start_indicator) { 64266830855846db5c211c2da6c055ca9b4167e8974Chong Zhang return OK; 64366830855846db5c211c2da6c055ca9b4167e8974Chong Zhang } 64487f2a558dd12043631e12c361abef301bf603140Andreas Huber } 64587f2a558dd12043631e12c361abef301bf603140Andreas Huber 64687f2a558dd12043631e12c361abef301bf603140Andreas Huber mExpectedContinuityCounter = (continuity_counter + 1) & 0x0f; 64787f2a558dd12043631e12c361abef301bf603140Andreas Huber 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6545403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 6555403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6565403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 6575403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 6585403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 6655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 667cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 668cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 669f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6713e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 6723e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 6733e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 6743e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 6753e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 676b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGI("resizing buffer to %zu bytes", neededSize); 6773e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 6783e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 6793e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 6803e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 6813e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 6823e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 6865403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 6875403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6906e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 6916e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 6926e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 6936e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 6946e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 6956e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 6966e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 6976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 6986e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 6996e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 7006e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 7016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 7026e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 7036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 7046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 7056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 7066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 7076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 7089bf32f06e8971c1d3eb4fc5edd74b69557f97212Chong Zhang case STREAMTYPE_LPCM_AC3: 709d3c079ae9859011d118f94616d0069c2987013edChangwan Ryu case STREAMTYPE_AC3: 7106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 7116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 7126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 7136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 7146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 7156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 7166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 71732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 71832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 7190389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen mExpectedContinuityCounter = -1; 7200389cc09f7b90f155a8942a0d2e1925cad1dbe2dMarco Nelissen 72118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 72218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 72318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 72418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 7252a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 7262a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 7272a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 7286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 7296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 7306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 7316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 7326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 7336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 7346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 7356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 7366e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 7376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 738f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 7396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 74032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 7416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 7426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 7436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 7446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 7456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 7466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 7476e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 7486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 74932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 750c6cfd70f24a11b946859485ce398a189c301a4e2Wei Jia extra->setInt64("resume-at-mediaTimeUs", resumeAtMediaTimeUs); 751e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 7526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 753f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 7546e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 755632740c58119a132ce19f6d498e39c5c3773971aChong Zhang mSource->queueDiscontinuity(type, extra, true); 756bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 757f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 758bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 759f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 760f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 761f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 7622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 7632a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 7642a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 7655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 766cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 767cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 769cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 770386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 7713856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Supposedly payload_unit_start=1 unit does not start " 772386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 7735403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7745403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 775386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 776386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 777cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 778cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 779cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 7803856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stream_id = 0x%02x", stream_id); 781cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 782cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 7833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_packet_length = %u", PES_packet_length); 784cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 785cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 786cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 787cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 788cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 789cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 790cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 792cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 793cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 794cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 7966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 7976e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 7986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 7996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 800cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 801cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 8023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 803cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 804cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 8053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ESCR_flag = %u", ESCR_flag); 806cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 807cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 8083856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ES_rate_flag = %u", ES_rate_flag); 809cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 810cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 8113856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 8143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 8176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 818cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 819cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 8203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PES_header_data_length = %u", PES_header_data_length); 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 825cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8296456ae745e919085c5024f784aaa2703f9695f98David Yeh if (br->getBits(4) != PTS_DTS_flags) { 8306456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PES data Error!"); 8316456ae745e919085c5024f784aaa2703f9695f98David Yeh return ERROR_MALFORMED; 8326456ae745e919085c5024f784aaa2703f9695f98David Yeh } 833cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 834cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 835cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 836cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 837cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 838cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 839cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 840b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PTS = 0x%016" PRIx64 " (%.2f)", PTS, PTS / 90000.0); 841cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 842cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 843cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 844cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 845cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 846cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 849cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 850cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 851cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 853cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 856b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("DTS = %" PRIu64, DTS); 857cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 860cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 861cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 863cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 864cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 865cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 866cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 867cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 868cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 869cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 871cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 872cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 874b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("ESCR = %" PRIu64, ESCR); 8756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 877cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 878cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 879cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 880cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 881cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 882cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 884cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 8866e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 887cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 888cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 889cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 890cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 891cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 892cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 893cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 894cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 895cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 896cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 897cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 898cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 899cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 900cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 901cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9025403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 90329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("PES packet does not carry enough data to contain " 904b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross "payload. (numBitsLeft = %zu, required = %u)", 9055403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 9065403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 9075403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 9085403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 9095403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 9100da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 9110da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 9120da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 9130da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 914cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 915cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 916cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 9170da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 9180da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 9190da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 9200da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 921cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 922f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 923cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 924b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("There's %zu bytes of payload.", payloadSizeBits / 8); 925cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 926cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 927cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 930cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 931cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 932cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 9335403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 9345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 935cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 936cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9375403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 9395403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 940cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 941cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 942b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("flushing stream 0x%04x size = %zu", mElementaryPID, mBuffer->size()); 943cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 944cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 9455403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 9465403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 947cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 948cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 9495403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 9505403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 953cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 95484333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t /* DTS */, 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 95690a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#if 0 95790a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber ALOGI("payload streamType 0x%02x, PTS = 0x%016llx, dPTS = %lld", 95890a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mStreamType, 95990a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber PTS, 96090a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber (int64_t)PTS - mPrevPTS); 96190a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber mPrevPTS = PTS; 96290a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber#endif 96390a92053219ae50ddf4bb54e3d54db2d309e2b8dAndreas Huber 9643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("onPayloadData mStreamType=0x%02x", mStreamType); 965cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 96698a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 96798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 96898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 96998a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 97082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 971386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 972decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 973decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 974decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 975decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 97682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 9776a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 978386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 9796a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 980386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 98182f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 9826a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 9833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stream PID 0x%08x of type 0x%02x now has data.", 984386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 985386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 986309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih const char *mime; 987309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih if (meta->findCString(kKeyMIMEType, &mime) 988309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC) 989309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih && !IsIDR(accessUnit)) { 990309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih continue; 991309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih } 9926a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 9936a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 99482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 995386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 9962a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 9972a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 9982a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 9995bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 10005bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 1001386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 10025bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 10036a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 100482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 100582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 100682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 100782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1008cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 1009386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 1010386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 1011386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 10126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 1013386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 1014386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1015386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1016386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1017386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1018386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 1019386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 10206e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 1021386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 1022386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1023386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1024386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1025386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1026386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 1027386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1028cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1029cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1030cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1031cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1032cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1033cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 1034cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1035c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 103687f2a558dd12043631e12c361abef301bf603140Andreas Huber : mFlags(flags), 103787f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs(-1ll), 1038d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid(false), 1039d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs(0ll), 104087f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed(0), 104187f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs(0) { 10428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(0 /* PID */, new PSISection); 1043cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1044cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1045cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 1046cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1047cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 104806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 1049cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 1050cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1051cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 105206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 1053cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1054cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 105532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 105632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 1057b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 1058b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if ((type & DISCONTINUITY_TIME) 1059b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra != NULL 1060b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber && extra->findInt64( 1061b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber IStreamListener::kKeyMediaTimeUs, &mediaTimeUs)) { 1062b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber mAbsoluteTimeAnchorUs = mediaTimeUs; 1063b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } else if (type == DISCONTINUITY_ABSOLUTE_TIME) { 106487f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 106587f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(extra->findInt64("timeUs", &timeUs)); 106687f2a558dd12043631e12c361abef301bf603140Andreas Huber 106787f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK(mPrograms.empty()); 106887f2a558dd12043631e12c361abef301bf603140Andreas Huber mAbsoluteTimeAnchorUs = timeUs; 106987f2a558dd12043631e12c361abef301bf603140Andreas Huber return; 1070d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber } else if (type == DISCONTINUITY_TIME_OFFSET) { 1071d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber int64_t offset; 1072d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber CHECK(extra->findInt64("offset", &offset)); 1073d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber 1074d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetValid = true; 1075d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber mTimeOffsetUs = offset; 1076d5e56231a598b180a1d898bb7dc61b75580e59a4Andreas Huber return; 107787f2a558dd12043631e12c361abef301bf603140Andreas Huber } 107887f2a558dd12043631e12c361abef301bf603140Andreas Huber 1079f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 108032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 1081f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 1082f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 1083f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 1084f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 1085f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 1086f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 10872a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1088f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 10892a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 10902a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 10912a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 1092cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 1093cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 10943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" table_id = %u", table_id); 10956456ae745e919085c5024f784aaa2703f9695f98David Yeh if (table_id != 0x00u) { 10966456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("PAT data error!"); 10976456ae745e919085c5024f784aaa2703f9695f98David Yeh return ; 10986456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1099cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 11003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_syntax_indictor = %u", section_syntax_indictor); 1101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 1102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 11046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 11073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" section_length = %u", section_length); 1108f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 1109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 11116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 11126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 11136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 11146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 11156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1117cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 1118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 1119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 1121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 11223856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_number = %u", program_number); 1123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 11276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 1128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 1129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 1130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV(" program_map_PID = 0x%04x", programMapPID); 1132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1133386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 1134386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 1135386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 1136386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1137386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 1138386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 1139386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 1140386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 1141386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1142386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1143386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1144386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 1145386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 1146386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 1147386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 11488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mPSISections.indexOfKey(programMapPID) < 0) { 11508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.add(programMapPID, new PSISection); 11518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 1152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 11556e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 1156cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 115806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 1159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 116087f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned continuity_counter, 1161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 11628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ssize_t sectionIndex = mPSISections.indexOfKey(PID); 11638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (sectionIndex >= 0) { 11654b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber sp<PSISection> section = mPSISections.valueAt(sectionIndex); 11668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 11686456ae745e919085c5024f784aaa2703f9695f98David Yeh if (!section->isEmpty()) { 11699bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang ALOGW("parsePID encounters payload_unit_start_indicator when section is not empty"); 11709bcf3ae6c9a413afc7accb5b48db3e5c3c829785Chong Zhang section->clear(); 11716456ae745e919085c5024f784aaa2703f9695f98David Yeh } 11728dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1173cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 1174cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 1175cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 11768dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11778dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber CHECK((br->numBitsLeft() % 8) == 0); 11788dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err = section->append(br->data(), br->numBitsLeft() / 8); 11798dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11808dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 11818dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 11828dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11838dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11848dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!section->isComplete()) { 11858dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 11868dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 11878dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11888dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber ABitReader sectionBits(section->data(), section->size()); 11898dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 11908dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (PID == 0) { 11918dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber parseProgramAssociationTable(§ionBits); 11928dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 11938dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber bool handled = false; 11948dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 11958dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber status_t err; 11968dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!mPrograms.editItemAt(i)->parsePSISection( 11978dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber PID, §ionBits, &err)) { 11988dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber continue; 11998dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12008dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12018dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (err != OK) { 12028dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return err; 12038dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12048dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12058dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber handled = true; 12068dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber break; 12078dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (!handled) { 12108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mPSISections.removeItem(PID); 12114b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section.clear(); 12128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 12148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 12154b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber if (section != NULL) { 12164b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber section->clear(); 12174b4bb11b8747adeb2efe56c7df4ab6803dd7db41Andreas Huber } 12188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 121906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 1223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 122406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 1225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 122687f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, continuity_counter, payload_unit_start_indicator, 122787f2a558dd12043631e12c361abef301bf603140Andreas Huber br, &err)) { 122806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 122906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 123006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 123106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 1232cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 1233cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 1234cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1237cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 12383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID 0x%04x not handled.", PID); 1239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 124006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 124106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 1242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 124487f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br, unsigned PID) { 1245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 124687f2a558dd12043631e12c361abef301bf603140Andreas Huber 1247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 124887f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned discontinuity_indicator = br->getBits(1); 124987f2a558dd12043631e12c361abef301bf603140Andreas Huber 125087f2a558dd12043631e12c361abef301bf603140Andreas Huber if (discontinuity_indicator) { 125187f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID 0x%04x: discontinuity_indicator = 1 (!!!)", PID); 125287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 125387f2a558dd12043631e12c361abef301bf603140Andreas Huber 125487f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(2); 125587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_flag = br->getBits(1); 125687f2a558dd12043631e12c361abef301bf603140Andreas Huber 125787f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t numBitsRead = 4; 125887f2a558dd12043631e12c361abef301bf603140Andreas Huber 125987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (PCR_flag) { 126087f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(4); 126187f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR_base = br->getBits(32); 126287f2a558dd12043631e12c361abef301bf603140Andreas Huber PCR_base = (PCR_base << 1) | br->getBits(1); 126387f2a558dd12043631e12c361abef301bf603140Andreas Huber 126487f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(6); 126587f2a558dd12043631e12c361abef301bf603140Andreas Huber unsigned PCR_ext = br->getBits(9); 126687f2a558dd12043631e12c361abef301bf603140Andreas Huber 126787f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes from the start of the current 126887f2a558dd12043631e12c361abef301bf603140Andreas Huber // MPEG2 transport stream packet up and including 126987f2a558dd12043631e12c361abef301bf603140Andreas Huber // the final byte of this PCR_ext field. 127087f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStartOfTSPacket = 127187f2a558dd12043631e12c361abef301bf603140Andreas Huber (188 - br->numBitsLeft() / 8); 127287f2a558dd12043631e12c361abef301bf603140Andreas Huber 127387f2a558dd12043631e12c361abef301bf603140Andreas Huber uint64_t PCR = PCR_base * 300 + PCR_ext; 127487f2a558dd12043631e12c361abef301bf603140Andreas Huber 1275b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PID 0x%04x: PCR = 0x%016" PRIx64 " (%.2f)", 127687f2a558dd12043631e12c361abef301bf603140Andreas Huber PID, PCR, PCR / 27E6); 127787f2a558dd12043631e12c361abef301bf603140Andreas Huber 127887f2a558dd12043631e12c361abef301bf603140Andreas Huber // The number of bytes received by this parser up to and 127987f2a558dd12043631e12c361abef301bf603140Andreas Huber // including the final byte of this PCR_ext field. 128087f2a558dd12043631e12c361abef301bf603140Andreas Huber size_t byteOffsetFromStart = 128187f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumTSPacketsParsed * 188 + byteOffsetFromStartOfTSPacket; 128287f2a558dd12043631e12c361abef301bf603140Andreas Huber 128387f2a558dd12043631e12c361abef301bf603140Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 128487f2a558dd12043631e12c361abef301bf603140Andreas Huber updatePCR(PID, PCR, byteOffsetFromStart); 128587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 128687f2a558dd12043631e12c361abef301bf603140Andreas Huber 128787f2a558dd12043631e12c361abef301bf603140Andreas Huber numBitsRead += 52; 128887f2a558dd12043631e12c361abef301bf603140Andreas Huber } 128987f2a558dd12043631e12c361abef301bf603140Andreas Huber 129087f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK_GE(adaptation_field_length * 8, numBitsRead); 129187f2a558dd12043631e12c361abef301bf603140Andreas Huber 129287f2a558dd12043631e12c361abef301bf603140Andreas Huber br->skipBits(adaptation_field_length * 8 - numBitsRead); 1293cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 129606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 12973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("---"); 1298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1299cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 13006456ae745e919085c5024f784aaa2703f9695f98David Yeh if (sync_byte != 0x47u) { 13016456ae745e919085c5024f784aaa2703f9695f98David Yeh ALOGE("[error] parseTS: return error as sync_byte=0x%x", sync_byte); 13026456ae745e919085c5024f784aaa2703f9695f98David Yeh return BAD_VALUE; 13036456ae745e919085c5024f784aaa2703f9695f98David Yeh } 1304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 130552668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber if (br->getBits(1)) { // transport_error_indicator 130652668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber // silently ignore. 130752668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber return OK; 130852668ca838e1869676ff95e7388f93ec1858b1e9Andreas Huber } 1309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 13113856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 1312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 1314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 13163856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("PID = 0x%04x", PID); 1317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 1319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 13213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("adaptation_field_control = %u", adaptation_field_control); 1322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 13230da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 132487f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 13250da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 1326df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 1327cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1328cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 132987f2a558dd12043631e12c361abef301bf603140Andreas Huber parseAdaptationField(br, PID); 1330cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1331cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 133287f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = OK; 133387f2a558dd12043631e12c361abef301bf603140Andreas Huber 1334cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 133587f2a558dd12043631e12c361abef301bf603140Andreas Huber err = parsePID( 133687f2a558dd12043631e12c361abef301bf603140Andreas Huber br, PID, continuity_counter, payload_unit_start_indicator); 1337cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 133806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 133987f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumTSPacketsParsed; 134087f2a558dd12043631e12c361abef301bf603140Andreas Huber 134187f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1342cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1343cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1344cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 1345386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 1346386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1347cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 1348386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 1349386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1350386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 1351386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 1352386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 1353386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 1354386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 1355cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1356cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 1357cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 1358cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1359cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1360cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1361cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1362cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1363cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1364bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shihbool ATSParser::hasSource(SourceType type) const { 1365bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih for (size_t i = 0; i < mPrograms.size(); ++i) { 1366bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih const sp<Program> &program = mPrograms.itemAt(i); 1367bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih if (program->hasSource(type)) { 1368bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return true; 1369bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 1370bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih } 1371bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 1372bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih return false; 1373bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih} 1374bf20727f0aaf609bc3b495b07b45822b137d21baRobert Shih 137543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 137643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 137743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 137843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 137943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 138043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 138143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 138243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 138387f2a558dd12043631e12c361abef301bf603140Andreas Hubervoid ATSParser::updatePCR( 138484333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber unsigned /* PID */, uint64_t PCR, size_t byteOffsetFromStart) { 1385b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("PCR 0x%016" PRIx64 " @ %zu", PCR, byteOffsetFromStart); 138687f2a558dd12043631e12c361abef301bf603140Andreas Huber 138787f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 138887f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[0] = mPCR[1]; 138987f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[0] = mPCRBytes[1]; 139087f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[0] = mSystemTimeUs[1]; 139187f2a558dd12043631e12c361abef301bf603140Andreas Huber mNumPCRs = 1; 139287f2a558dd12043631e12c361abef301bf603140Andreas Huber } 139387f2a558dd12043631e12c361abef301bf603140Andreas Huber 139487f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCR[mNumPCRs] = PCR; 139587f2a558dd12043631e12c361abef301bf603140Andreas Huber mPCRBytes[mNumPCRs] = byteOffsetFromStart; 139687f2a558dd12043631e12c361abef301bf603140Andreas Huber mSystemTimeUs[mNumPCRs] = ALooper::GetNowUs(); 139787f2a558dd12043631e12c361abef301bf603140Andreas Huber 139887f2a558dd12043631e12c361abef301bf603140Andreas Huber ++mNumPCRs; 139987f2a558dd12043631e12c361abef301bf603140Andreas Huber 140087f2a558dd12043631e12c361abef301bf603140Andreas Huber if (mNumPCRs == 2) { 140187f2a558dd12043631e12c361abef301bf603140Andreas Huber double transportRate = 140287f2a558dd12043631e12c361abef301bf603140Andreas Huber (mPCRBytes[1] - mPCRBytes[0]) * 27E6 / (mPCR[1] - mPCR[0]); 140387f2a558dd12043631e12c361abef301bf603140Andreas Huber 140487f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("transportRate = %.2f bytes/sec", transportRate); 140587f2a558dd12043631e12c361abef301bf603140Andreas Huber } 140687f2a558dd12043631e12c361abef301bf603140Andreas Huber} 140787f2a558dd12043631e12c361abef301bf603140Andreas Huber 14088dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 14098dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14108dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::PSISection() { 14118dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14128dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14138dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas HuberATSParser::PSISection::~PSISection() { 14148dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14158dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14168dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberstatus_t ATSParser::PSISection::append(const void *data, size_t size) { 14178dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() + size > mBuffer->capacity()) { 14188dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber size_t newCapacity = 14198dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber (mBuffer == NULL) ? size : mBuffer->capacity() + size; 14208dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14218dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newCapacity = (newCapacity + 1023) & ~1023; 14228dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14238dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber sp<ABuffer> newBuffer = new ABuffer(newCapacity); 14248dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14258dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 14268dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 14278dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, mBuffer->size()); 14288dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } else { 14298dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber newBuffer->setRange(0, 0); 14308dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 14318dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14328dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer = newBuffer; 14338dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 14348dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14358dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber memcpy(mBuffer->data() + mBuffer->size(), data, size); 14368dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, mBuffer->size() + size); 14378dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14388dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return OK; 14398dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14408dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14418dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubervoid ATSParser::PSISection::clear() { 14428dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer != NULL) { 14438dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber mBuffer->setRange(0, 0); 14448dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 14458dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14468dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14478dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isComplete() const { 14488dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber if (mBuffer == NULL || mBuffer->size() < 3) { 14498dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return false; 14508dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber } 14518dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14528dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber unsigned sectionLength = U16_AT(mBuffer->data() + 1) & 0xfff; 14538dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer->size() >= sectionLength + 3; 14548dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14558dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14568dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberbool ATSParser::PSISection::isEmpty() const { 14578dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL || mBuffer->size() == 0; 14588dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14598dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14608dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huberconst uint8_t *ATSParser::PSISection::data() const { 14618dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? NULL : mBuffer->data(); 14628dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14638dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 14648dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Hubersize_t ATSParser::PSISection::size() const { 14658dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber return mBuffer == NULL ? 0 : mBuffer->size(); 14668dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber} 14678dfa228201131da0bf3ba1d74c819c27c0500f6bAndreas Huber 1468cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1469