ATSParser.cpp revision 6e3d311b6631b12aac2879d1b08c3534aece78b1
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> 3532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber#include <media/IStreamSource.h> 36cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber do { unsigned tmp = y; LOGV(x, tmp); } while (0) 436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 44cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 46cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 47386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber Program(ATSParser *parser, unsigned programNumber, unsigned programMapPID); 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 50cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 5106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err); 52cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 5432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 5532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 56f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 572a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 58cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 59cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 60bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 61bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 6243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber bool PTSTimeDeltaEstablished() const { 6343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mFirstPTSValid; 6443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 6543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 66386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned number() const { return mProgramNumber; } 67386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 68386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber void updateProgramMapPID(unsigned programMapPID) { 69386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramMapPID = programMapPID; 70386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 71386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 72cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 73f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 74386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber unsigned mProgramNumber; 75cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 76cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 77bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 78bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 79cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t parseProgramMap(ABitReader *br); 81cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 82cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 86bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Stream(Program *program, unsigned elementaryPID, unsigned streamType); 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 88bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned type() const { return mStreamType; } 89bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned pid() const { return mElementaryPID; } 90bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber void setPID(unsigned pid) { mElementaryPID = pid; } 91bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 925403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parse( 93cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void signalDiscontinuity( 9732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra); 9832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 99f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 1002a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 107bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 111cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 114cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 115386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue *mQueue; 1166a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 1175403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t flush(); 1185403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t parsePES(ABitReader *br); 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 12482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 12582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 1266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isAudio() const; 1276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool isVideo() const; 1286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 134386d609dc513e838c7e7c4c46c604493ccd560beAndreas HuberATSParser::Program::Program( 135386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ATSParser *parser, unsigned programNumber, unsigned programMapPID) 136f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 137386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mProgramNumber(programNumber), 138f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 139bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 140bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 141386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("new program number %u", programNumber); 142cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 143cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 144cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberbool ATSParser::Program::parsePID( 145cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 14606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber ABitReader *br, status_t *err) { 14706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = OK; 14806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 149cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (pid == mProgramMapPID) { 150cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 151cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 152cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 153cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 15506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber *err = parseProgramMap(br); 15606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 159cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 160cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 161cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 164cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1655403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber *err = mStreams.editValueAt(index)->parse( 166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 167cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 168cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 169cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 170cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 17132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Program::signalDiscontinuity( 17232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 1732a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 17432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type, extra); 175f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 176f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 177f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 178f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 179f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 180f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 1812a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 1822a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 1832a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 184bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huberstruct StreamInfo { 185bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mType; 186bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber unsigned mPID; 187bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber}; 188bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 18906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::Program::parseProgramMap(ABitReader *br) { 190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 1916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 1956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indicator = %u", section_syntax_indicator); 1966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 198cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 1996e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 201cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 2026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 203f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 2076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 2086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 2096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 2106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 2116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 2126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 2136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 2146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 216cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 2176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_info_length = %u", program_info_length); 218f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 219cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 222bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber Vector<StreamInfo> infos; 223bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 232cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 2336e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" stream_type = 0x%02x", streamType); 234cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 237cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2386e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" elementary_PID = 0x%04x", elementaryPID); 239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2436e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" ES_info_length = %u", ES_info_length); 244f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 247cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 251cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 252cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" len = %u", descLength); 257cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 258cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 259cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 266cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 267bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo info; 268bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mType = streamType; 269bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber info.mPID = elementaryPID; 270bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber infos.push(info); 271cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 272cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 273cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 274cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 275cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 2766e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 277bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 278bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber bool PIDsChanged = false; 279bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 280bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 281bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 282bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 283bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 284bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index >= 0 && mStreams.editValueAt(index)->type() != info.mType) { 285bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber LOGI("uh oh. stream PIDs have changed."); 286bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber PIDsChanged = true; 287bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber break; 288bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 289bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 290bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 291bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (PIDsChanged) { 29206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#if 0 29306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("before:"); 29406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 29506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> stream = mStreams.editValueAt(i); 29606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 29706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("PID 0x%08x => type 0x%02x", stream->pid(), stream->type()); 29806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 29906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("after:"); 30106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber for (size_t i = 0; i < infos.size(); ++i) { 30206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber StreamInfo &info = infos.editItemAt(i); 30306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("PID 0x%08x => type 0x%02x", info.mPID, info.mType); 30506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 30606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber#endif 30706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 30806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // The only case we can recover from is if we have two streams 30906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber // and they switched PIDs. 31006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool success = false; 31206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (mStreams.size() == 2 && infos.size() == 2) { 31406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info1 = infos.itemAt(0); 31506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber const StreamInfo &info2 = infos.itemAt(1); 31606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 31706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s1 = mStreams.editValueAt(0); 31806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber sp<Stream> s2 = mStreams.editValueAt(1); 31906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 32006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseA = 32106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s1->pid() && info1.mType == s2->type() 32206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s2->pid() && info2.mType == s1->type(); 32306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 32406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber bool caseB = 32506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber info1.mPID == s2->pid() && info1.mType == s1->type() 32606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber && info2.mPID == s1->pid() && info2.mType == s2->type(); 32706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 32806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (caseA || caseB) { 32906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid1 = s1->pid(); 33006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber unsigned pid2 = s2->pid(); 33106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s1->setPID(pid2); 33206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber s2->setPID(pid1); 33306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.clear(); 33506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s1->pid(), s1); 33606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mStreams.add(s2->pid(), s2); 33706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 33806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber success = true; 33906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 34006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 34106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 34206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (!success) { 34306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber LOGI("Stream PIDs changed and we cannot recover."); 34406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return ERROR_MALFORMED; 34506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 346bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 347bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 348bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber for (size_t i = 0; i < infos.size(); ++i) { 349bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber StreamInfo &info = infos.editItemAt(i); 350bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 351bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber ssize_t index = mStreams.indexOfKey(info.mPID); 352bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber 353bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber if (index < 0) { 354bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber sp<Stream> stream = new Stream(this, info.mPID, info.mType); 355bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber mStreams.add(info.mPID, stream); 356bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 357bc7f5b2e56107cfeaeeab13cf8979379e3c2f139Andreas Huber } 35806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 35906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 360cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 361cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 362cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 363386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber size_t index = (type == AUDIO) ? 0 : 0; 364decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 365cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 366cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 367cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 368decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 369decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 370decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 371decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 372cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 373cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 374cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 375cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 376cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 377cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 378bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 379c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!(mParser->mFlags & TS_TIMESTAMPS_ARE_ABSOLUTE)) { 380c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber if (!mFirstPTSValid) { 381c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTSValid = true; 382c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber mFirstPTS = PTS; 383c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 384c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else if (PTS < mFirstPTS) { 385c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS = 0; 386c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } else { 387c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber PTS -= mFirstPTS; 388c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber } 389bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 390bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 391bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 392bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 393bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 394cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 395cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 396bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 397bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 398bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 399bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 400cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 4016a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 402386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue(NULL) { 403386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (mStreamType) { 404386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_H264: 405386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::H264); 406386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 4076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 408386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue(ElementaryStreamQueue::AAC); 409386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 410386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_AUDIO: 411386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_AUDIO: 412386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 413386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_AUDIO); 414386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 415386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 416386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG1_VIDEO: 417386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG2_VIDEO: 418386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 419386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG_VIDEO); 420386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 421386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 422386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case STREAMTYPE_MPEG4_VIDEO: 423386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = new ElementaryStreamQueue( 424386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber ElementaryStreamQueue::MPEG4_VIDEO); 425386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 426386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 427386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 428386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 429386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 430386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 431e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber LOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 43218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 43318ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue != NULL) { 43418ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer = new ABuffer(192 * 1024); 43518ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber mBuffer->setRange(0, 0); 43618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 437cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 438cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 439cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 440386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber delete mQueue; 441386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mQueue = NULL; 442cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 443cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4445403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parse( 445cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 44618ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 4475403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 44818ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 44918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 450cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 451cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 452cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 453cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 454cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 455cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4565403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = flush(); 4575403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 4585403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (err != OK) { 4595403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 4605403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 461cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 462cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 463cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 464cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 465cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 466cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 4675403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 468cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 469cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 470cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 471f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 472cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4733e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber size_t neededSize = mBuffer->size() + payloadSizeBits / 8; 4743e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber if (mBuffer->capacity() < neededSize) { 4753e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber // Increment in multiples of 64K. 4763e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber neededSize = (neededSize + 65535) & ~65535; 4773e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4783e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber LOGI("resizing buffer to %d bytes", neededSize); 4793e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber 4803e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber sp<ABuffer> newBuffer = new ABuffer(neededSize); 4813e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size()); 4823e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber newBuffer->setRange(0, mBuffer->size()); 4833e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber mBuffer = newBuffer; 4843e57322b332214e3cb1874e67a5704c9b2b5f6ecAndreas Huber } 485cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 486cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 487cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 4885403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 4895403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 490cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 491cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4926e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isVideo() const { 4936e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 4946e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_H264: 4956e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_VIDEO: 4966e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_VIDEO: 4976e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG4_VIDEO: 4986e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 4996e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5006e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5026e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5046e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5056e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huberbool ATSParser::Stream::isAudio() const { 5066e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber switch (mStreamType) { 5076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG1_AUDIO: 5086e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO: 5096e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber case STREAMTYPE_MPEG2_AUDIO_ADTS: 5106e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return true; 5116e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 5126e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber default: 5136e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber return false; 5146e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5156e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber} 5166e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 51732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::Stream::signalDiscontinuity( 51832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 51918ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber if (mQueue == NULL) { 52018ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber return; 52118ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber } 52218ac5407da14dad9731f40ffc9a56bee73830019Andreas Huber 5232a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 5242a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 5252a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 5266e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool clearFormat = false; 5276e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 5286e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_AUDIO_FORMAT) { 5296e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 5306e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5316e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } else { 5326e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_VIDEO_FORMAT) { 5336e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber clearFormat = true; 5346e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 5356e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 536f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 5376e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mQueue->clear(clearFormat); 53832f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 5396e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (type & DISCONTINUITY_TIME) { 5406e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber uint64_t resumeAtPTS; 5416e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (extra != NULL 5426e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber && extra->findInt64( 5436e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber IStreamListener::kKeyResumeAtPTS, 5446e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber (int64_t *)&resumeAtPTS)) { 5456e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber int64_t resumeAtMediaTimeUs = 5466e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mProgram->convertPTSToTimestamp(resumeAtPTS); 54732f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 5486e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber extra->setInt64("resume-at-mediatimeUs", resumeAtMediaTimeUs); 549e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 5506e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber } 551f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 5526e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (mSource != NULL) { 5536e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber mSource->queueDiscontinuity(type, extra); 554bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 555f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 556bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 557f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 558f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 559f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 5602a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 5612a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 5622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 5635403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::parsePES(ABitReader *br) { 564cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 565cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 567cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 568386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (packet_startcode_prefix != 1) { 569386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Supposedly payload_unit_start=1 unit does not start " 570386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber "with startcode."); 5715403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 5725403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 573386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 574386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 5786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("stream_id = 0x%02x", stream_id); 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 5816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_packet_length = %u", PES_packet_length); 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 587cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 588cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 589cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 590cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 5946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 5956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 5966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 5976e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 598cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 599cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 6006e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 601cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 602cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 6036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR_flag = %u", ESCR_flag); 604cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 605cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 6066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ES_rate_flag = %u", ES_rate_flag); 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 6096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 6126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 613cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6146e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 6156e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 617cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 6186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_header_data_length = %u", PES_header_data_length); 619cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 620cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 621cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 623cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 624cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 625cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 626cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 627cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 628cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 630cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 631cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 634cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 635cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6366e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS = %llu", PTS); 6376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber // LOGI("PTS = %.2f secs", PTS / 90000.0f); 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 640cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 644cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 645cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 646cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 650cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DTS = %llu", DTS); 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 657cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 665cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 667cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 668cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 669cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR = %llu", ESCR); 6726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 673cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 675cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 676cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 6836e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 687cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 690cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 692cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 695cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 697cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6995403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber if (br->numBitsLeft() < dataLength * 8) { 7005403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber LOGE("PES packet does not carry enough data to contain " 7015403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber "payload. (numBitsLeft = %d, required = %d)", 7025403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber br->numBitsLeft(), dataLength * 8); 7035403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7045403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return ERROR_MALFORMED; 7055403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber } 7065403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7070da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 7080da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 7090da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7100da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 7140da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 7150da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 7160da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 7170da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 719f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7216e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("There's %d bytes of payload.", payloadSizeBits / 8); 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 7305403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7315403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7345403129e2a2f44620f2ac8109889e5a61be08732Andreas Huberstatus_t ATSParser::Stream::flush() { 735cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 7365403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return OK; 737cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 738cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 740cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 741cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 7425403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7435403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber status_t err = parsePES(&br); 744cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 745cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 7465403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber 7475403129e2a2f44620f2ac8109889e5a61be08732Andreas Huber return err; 748cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 749cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 750cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 751cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 752cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 7536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onPayloadData mStreamType=0x%02x", mStreamType); 754cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 75598a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber int64_t timeUs = 0ll; // no presentation timestamp available. 75698a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 75798a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber timeUs = mProgram->convertPTSToTimestamp(PTS); 75898a46cf165d8de3779874eba01803bbc485f45b9Andreas Huber } 75982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 760386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber status_t err = mQueue->appendData(data, size, timeUs); 761decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 762decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 763decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 764decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 76582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 7666a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 767386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber while ((accessUnit = mQueue->dequeueAccessUnit()) != NULL) { 7686a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 769386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MetaData> meta = mQueue->getFormat(); 77082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 7716a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 772386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber LOGV("Stream PID 0x%08x of type 0x%02x now has data.", 773386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mElementaryPID, mStreamType); 774386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 7756a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 7766a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 77782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 778386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } else if (mQueue->getFormat() != NULL) { 7792a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 7802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 7812a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 7825bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 7835bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mSource->getFormat() == NULL) { 784386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mSource->setFormat(mQueue->getFormat()); 7855bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 7866a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 78782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 78882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 78982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 79082f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 791cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 792386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber switch (type) { 793386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case VIDEO: 794386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 7956e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isVideo()) { 796386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 797386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 798386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 799386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 800386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 801386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber case AUDIO: 802386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber { 8036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber if (isAudio()) { 804386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber return mSource; 805386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 806386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 807386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 808386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 809386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber default: 810386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 811cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 812cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 813cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 814cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 815cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 816cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 817cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 818c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas HuberATSParser::ATSParser(uint32_t flags) 819c4c17d47b674b425fb6c399822c0ab3258543c0aAndreas Huber : mFlags(flags) { 820cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 821cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 822cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 823cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 824cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 82506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::feedTSPacket(const void *data, size_t size) { 826cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 827cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 828cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 82906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parseTS(&br); 830cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 831cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 83232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Hubervoid ATSParser::signalDiscontinuity( 83332f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber DiscontinuityType type, const sp<AMessage> &extra) { 834f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 83532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type, extra); 836f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 837f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 838f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 839f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 840f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 841f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 8422a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 843f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 8442a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 8452a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 8462a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 847cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 848cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 8496e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 850cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 851cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 852cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 8536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indictor = %u", section_syntax_indictor); 854cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 855cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 856cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 8576e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 858cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 859cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 8606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 861f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 862cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 8646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 8656e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 8666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 8676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 8686e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 869cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 870cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 871cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 872cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 873cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 874cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 8756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_number = %u", program_number); 876cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 878cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 879cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 8806e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 881cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 882cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 883cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 8846e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_map_PID = 0x%04x", programMapPID); 885cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 886386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber bool found = false; 887386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber for (size_t index = 0; index < mPrograms.size(); ++index) { 888386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.itemAt(index); 889386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 890386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (program->number() == program_number) { 891386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber program->updateProgramMapPID(programMapPID); 892386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber found = true; 893386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber break; 894386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 895386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 896386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 897386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (!found) { 898386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber mPrograms.push( 899386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber new Program(this, program_number, programMapPID)); 900386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 901cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 902cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 903cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 905cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 906cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 90706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parsePID( 908cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 909cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 910cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PID == 0) { 911cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 912cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 913cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 914cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 915cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramAssociationTable(br); 91606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 917cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 918cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 919cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 920cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 92106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err; 922cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 92306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber PID, payload_unit_start_indicator, br, &err)) { 92406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 92506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return err; 92606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 92706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 928cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 929cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 930cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 931cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 932cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 933cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 9346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID 0x%04x not handled.", PID); 935cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 93606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 93706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 938cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 939cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 940cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 941cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 942cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 943cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 944cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 945cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 946cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 94706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huberstatus_t ATSParser::parseTS(ABitReader *br) { 9486e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("---"); 949cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 950cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 951cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 952cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9536e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 954cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 955cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 9566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 957cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9586e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 959cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 960cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 9616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID = 0x%04x", PID); 962cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 964cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 965cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 9666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("adaptation_field_control = %u", adaptation_field_control); 967cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 9680da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 9690da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber LOGV("continuity_counter = %u", continuity_counter); 9700da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 9710da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber // LOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 972cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 973cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 974cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 975cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 976cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 977cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 97806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return parsePID(br, PID, payload_unit_start_indicator); 979cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 98006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 98106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber return OK; 982cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 983cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 984cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 985386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber int which = -1; // any 986386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 987cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 988386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber const sp<Program> &program = mPrograms.editItemAt(i); 989386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 990386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber if (which >= 0 && (int)program->number() != which) { 991386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber continue; 992386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber } 993386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber 994386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber sp<MediaSource> source = program->getSource(type); 995cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 996cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 997cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 998cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 999cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 1000cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1001cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 1002cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 1003cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 100443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberbool ATSParser::PTSTimeDeltaEstablished() { 100543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber if (mPrograms.isEmpty()) { 100643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return false; 100743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 100843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 100943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mPrograms.editItemAt(0)->PTSTimeDeltaEstablished(); 101043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 101143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 1012cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 1013