ATSParser.cpp revision f933441648ef6a71dee783d733aac17b9508b452
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> 35cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/KeyedVector.h> 36cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 396e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber// I want the expression "y" evaluated even if verbose logging is off. 406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define MY_LOGV(x, y) \ 416e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber do { unsigned tmp = y; LOGV(x, tmp); } while (0) 426e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 43cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstatic const size_t kTSPacketSize = 188; 44cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 45cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Program : public RefBase { 46f933441648ef6a71dee783d733aac17b9508b452Andreas Huber Program(ATSParser *parser, unsigned programMapPID); 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool parsePID( 49cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 50cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 51cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 52f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalDiscontinuity(DiscontinuityType type); 53f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 542a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 55cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 56cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 57bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t convertPTSToTimestamp(uint64_t PTS); 58bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 59cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 60f933441648ef6a71dee783d733aac17b9508b452Andreas Huber ATSParser *mParser; 61cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mProgramMapPID; 62cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber KeyedVector<unsigned, sp<Stream> > mStreams; 63bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mFirstPTSValid; 64bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber uint64_t mFirstPTS; 65cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 66cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parseProgramMap(ABitReader *br); 67cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 68cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Program); 69cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 70cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 71cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ATSParser::Stream : public RefBase { 72bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Stream(Program *program, unsigned elementaryPID, unsigned streamType); 73cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 74cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parse( 75cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, 76cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br); 77cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 78f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalDiscontinuity(DiscontinuityType type); 79f933441648ef6a71dee783d733aac17b9508b452Andreas Huber void signalEOS(status_t finalResult); 802a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 81cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> getSource(SourceType type); 82cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~Stream(); 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 86cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 87bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *mProgram; 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mElementaryPID; 89cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned mStreamType; 90cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 91cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<ABuffer> mBuffer; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<AnotherPacketSource> mSource; 93cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool mPayloadStarted; 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 956a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber ElementaryStreamQueue mQueue; 966a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber 97cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void flush(); 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void parsePES(ABitReader *br); 99cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 100cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void onPayloadData( 101cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 102cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size); 103cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 10482f7321b03eec1e40af9d681370f754ee0279582Andreas Huber void extractAACFrames(const sp<ABuffer> &buffer); 10582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(Stream); 107cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 111f933441648ef6a71dee783d733aac17b9508b452Andreas HuberATSParser::Program::Program(ATSParser *parser, unsigned programMapPID) 112f933441648ef6a71dee783d733aac17b9508b452Andreas Huber : mParser(parser), 113f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mProgramMapPID(programMapPID), 114bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid(false), 115bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS(0) { 116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 117cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberbool ATSParser::Program::parsePID( 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned pid, unsigned payload_unit_start_indicator, 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br) { 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (pid == mProgramMapPID) { 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 126cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 127cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramMap(br); 128cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 129cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 130cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 131cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(pid); 132cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 133cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return false; 134cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 135cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 136cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreams.editValueAt(index)->parse( 137cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber payload_unit_start_indicator, br); 138cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 139cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return true; 140cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 141cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 142f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalDiscontinuity(DiscontinuityType type) { 1432a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 144f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalDiscontinuity(type); 145f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 146f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 147f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 148f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Program::signalEOS(status_t finalResult) { 149f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 150f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mStreams.editValueAt(i)->signalEOS(finalResult); 1512a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 1522a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 1532a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 154cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Program::parseProgramMap(ABitReader *br) { 155cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 1566e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 157cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x02u); 158cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber unsigned section_syntax_indicator = br->getBits(1); 1606e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indicator = %u", section_syntax_indicator); 1616e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber CHECK_EQ(section_syntax_indicator, 1u); 162cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 163cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 1646e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 165cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 166cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 1676e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 168f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 169cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(section_length, 1021u); 170cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" program_number = %u", br->getBits(16)); 1726e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 1736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 1746e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 1756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 1766e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 1776e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 1786e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" PCR_PID = 0x%04x", br->getBits(13)); 1796e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 180cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 181cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_info_length = br->getBits(12); 1826e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_info_length = %u", program_info_length); 183f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(program_info_length & 0xc00, 0u); 184cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 185cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(program_info_length * 8); // skip descriptors 186cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 187cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // infoBytesRemaining is the number of bytes that make up the 188cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // variable length section of ES_infos. It does not include the 189cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // final CRC. 190cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t infoBytesRemaining = section_length - 9 - program_info_length - 4; 191cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 192cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (infoBytesRemaining > 0) { 193cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining, 5u); 194cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 195cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned streamType = br->getBits(8); 1966e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" stream_type = 0x%02x", streamType); 197cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 199cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 200cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned elementaryPID = br->getBits(13); 2016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" elementary_PID = 0x%04x", elementaryPID); 202cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2036e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(4)); 204cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 205cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_info_length = br->getBits(12); 2066e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" ES_info_length = %u", ES_info_length); 207f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(ES_info_length & 0xc00, 0u); 208cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 209cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(infoBytesRemaining - 5, ES_info_length); 210cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 211cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 212cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(ES_info_length * 8); // skip descriptors 213cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 214cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned info_bytes_remaining = ES_info_length; 215cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber while (info_bytes_remaining >= 2) { 2166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" tag = 0x%02x", br->getBits(8)); 217cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 218cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned descLength = br->getBits(8); 2196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" len = %u", descLength); 220cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 221cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(info_bytes_remaining, 2 + descLength); 222cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 223cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(descLength * 8); 224cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 225cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber info_bytes_remaining -= descLength + 2; 226cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 227cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(info_bytes_remaining, 0u); 228cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 229cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 230cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ssize_t index = mStreams.indexOfKey(elementaryPID); 231cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#if 0 // XXX revisit 232cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LT(index, 0); 233bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mStreams.add(elementaryPID, 234bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber new Stream(this, elementaryPID, streamType)); 235cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#else 236cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (index < 0) { 237bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mStreams.add(elementaryPID, 238bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber new Stream(this, elementaryPID, streamType)); 239cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 240cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif 241cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 242cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber infoBytesRemaining -= 5 + ES_info_length; 243cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 244cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 245cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(infoBytesRemaining, 0u); 246cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 2476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 248cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 249cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 250cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Program::getSource(SourceType type) { 251decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber size_t index = (type == MPEG2ADTS_AUDIO) ? 0 : 0; 252decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 253cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mStreams.size(); ++i) { 254cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mStreams.editValueAt(i)->getSource(type); 255cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 256decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (index == 0) { 257decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return source; 258decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 259decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber --index; 260cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 261cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 262cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 263cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 264cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 265cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 266bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huberint64_t ATSParser::Program::convertPTSToTimestamp(uint64_t PTS) { 267bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber if (!mFirstPTSValid) { 268bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTSValid = true; 269bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mFirstPTS = PTS; 270bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS = 0; 271bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } else if (PTS < mFirstPTS) { 272bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS = 0; 273bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } else { 274bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber PTS -= mFirstPTS; 275bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 276bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 277bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (PTS * 100) / 9; 278bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber} 279bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 280cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 281cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 282bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas HuberATSParser::Stream::Stream( 283bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber Program *program, unsigned elementaryPID, unsigned streamType) 284bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber : mProgram(program), 285bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber mElementaryPID(elementaryPID), 286cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mStreamType(streamType), 28782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber mBuffer(new ABuffer(128 * 1024)), 2886a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mPayloadStarted(false), 2896a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mQueue(streamType == 0x1b 2906a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber ? ElementaryStreamQueue::H264 : ElementaryStreamQueue::AAC) { 291cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 292e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber 293e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber LOGV("new stream PID 0x%02x, type 0x%02x", elementaryPID, streamType); 294cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 295cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 296cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::Stream::~Stream() { 297cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 298cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 299cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parse( 300cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator, ABitReader *br) { 301cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 302cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPayloadStarted) { 303cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // Otherwise we run the danger of receiving the trailing bytes 304cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // of a PES packet that we never saw the start of and assuming 305cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // we have a a complete PES packet. 306cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 307cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber flush(); 308cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 309cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 310cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mPayloadStarted = true; 311cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 312cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 313cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!mPayloadStarted) { 314cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 315cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 316cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 317cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 318f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 319cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 320cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_LE(mBuffer->size() + payloadSizeBits / 8, mBuffer->capacity()); 321cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 322cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber memcpy(mBuffer->data() + mBuffer->size(), br->data(), payloadSizeBits / 8); 323cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, mBuffer->size() + payloadSizeBits / 8); 324cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 325cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 326f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalDiscontinuity(DiscontinuityType type) { 3272a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mPayloadStarted = false; 3282a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber mBuffer->setRange(0, 0); 3292a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 330f933441648ef6a71dee783d733aac17b9508b452Andreas Huber switch (type) { 331f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_HTTPLIVE: 332f933441648ef6a71dee783d733aac17b9508b452Andreas Huber { 333f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mQueue.clear(true); 3342a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 335f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mStreamType == 0x1b && mSource != NULL) { 336f933441648ef6a71dee783d733aac17b9508b452Andreas Huber // Don't signal discontinuities on audio streams. 337f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->queueDiscontinuity(); 338f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 339f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 340f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 341f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 342f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_SEEK: 343f933441648ef6a71dee783d733aac17b9508b452Andreas Huber case DISCONTINUITY_FORMATCHANGE: 344f933441648ef6a71dee783d733aac17b9508b452Andreas Huber { 345f933441648ef6a71dee783d733aac17b9508b452Andreas Huber bool isASeek = (type == DISCONTINUITY_SEEK); 346bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 347f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mQueue.clear(!isASeek); 348f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 349f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 350f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->clear(); 351f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->queueDiscontinuity(); 352f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 353f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 354e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber } 355f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 356f933441648ef6a71dee783d733aac17b9508b452Andreas Huber default: 357f933441648ef6a71dee783d733aac17b9508b452Andreas Huber TRESPASS(); 358f933441648ef6a71dee783d733aac17b9508b452Andreas Huber break; 359bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber } 360f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 361bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber 362f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::Stream::signalEOS(status_t finalResult) { 363f933441648ef6a71dee783d733aac17b9508b452Andreas Huber if (mSource != NULL) { 364f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mSource->signalEOS(finalResult); 3652a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 3662a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 3672a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 368cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::parsePES(ABitReader *br) { 369cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned packet_startcode_prefix = br->getBits(24); 370cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3716e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("packet_startcode_prefix = 0x%08x", packet_startcode_prefix); 372cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 373cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(packet_startcode_prefix, 0x000001u); 374cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 375cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned stream_id = br->getBits(8); 3766e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("stream_id = 0x%02x", stream_id); 377cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 378cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_packet_length = br->getBits(16); 3796e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_packet_length = %u", PES_packet_length); 380cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 381cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (stream_id != 0xbc // program_stream_map 382cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbe // padding_stream 383cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xbf // private_stream_2 384cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf0 // ECM 385cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf1 // EMM 386cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xff // program_stream_directory 387cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf2 // DSMCC 388cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber && stream_id != 0xf8) { // H.222.1 type E 389cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(2), 2u); 390cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 3916e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_scrambling_control = %u", br->getBits(2)); 3926e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_priority = %u", br->getBits(1)); 3936e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("data_alignment_indicator = %u", br->getBits(1)); 3946e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("copyright = %u", br->getBits(1)); 3956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("original_or_copy = %u", br->getBits(1)); 396cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 397cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags = br->getBits(2); 3986e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS_DTS_flags = %u", PTS_DTS_flags); 399cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 400cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ESCR_flag = br->getBits(1); 4016e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR_flag = %u", ESCR_flag); 402cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 403cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned ES_rate_flag = br->getBits(1); 4046e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ES_rate_flag = %u", ES_rate_flag); 405cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 406cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned DSM_trick_mode_flag = br->getBits(1); 4076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DSM_trick_mode_flag = %u", DSM_trick_mode_flag); 408cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 409cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned additional_copy_info_flag = br->getBits(1); 4106e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("additional_copy_info_flag = %u", additional_copy_info_flag); 411cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_CRC_flag = %u", br->getBits(1)); 4136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("PES_extension_flag = %u", br->getBits(1)); 414cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 415cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PES_header_data_length = br->getBits(8); 4166e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PES_header_data_length = %u", PES_header_data_length); 417cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 418cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned optional_bytes_remaining = PES_header_data_length; 419cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 420cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t PTS = 0, DTS = 0; 421cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 422cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 2 || PTS_DTS_flags == 3) { 423cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 424cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 425cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), PTS_DTS_flags); 426cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 427cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS = ((uint64_t)br->getBits(3)) << 30; 428cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 429cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= ((uint64_t)br->getBits(15)) << 15; 430cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 431cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PTS |= br->getBits(15); 432cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 433cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4346e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PTS = %llu", PTS); 4356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber // LOGI("PTS = %.2f secs", PTS / 90000.0f); 436cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 437cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 438cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 439cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PTS_DTS_flags == 3) { 440cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 5u); 441cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 442cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(4), 1u); 443cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 444cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS = ((uint64_t)br->getBits(3)) << 30; 445cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 446cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= ((uint64_t)br->getBits(15)) << 15; 447cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 448cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DTS |= br->getBits(15); 449cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 450cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4516e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("DTS = %llu", DTS); 452cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 453cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 5; 454cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 455cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 456cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 457cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ESCR_flag) { 458cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 6u); 459cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 460cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->getBits(2); 461cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 462cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber uint64_t ESCR = ((uint64_t)br->getBits(3)) << 30; 463cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 464cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= ((uint64_t)br->getBits(15)) << 15; 465cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 466cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ESCR |= br->getBits(15); 467cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 468cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4696e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("ESCR = %llu", ESCR); 4706e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ESCR_extension = %u", br->getBits(9)); 471cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 472cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 473cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 474cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 6; 475cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 476cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 477cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (ES_rate_flag) { 478cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(optional_bytes_remaining, 3u); 479cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 480cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 4816e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("ES_rate = %u", br->getBits(22)); 482cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 1u); 483cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 484cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber optional_bytes_remaining -= 3; 485cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 486cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 487cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(optional_bytes_remaining * 8); 488cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 489cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber // ES data follows. 490cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 491cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PES_packet_length != 0) { 492cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_GE(PES_packet_length, PES_header_data_length + 3); 493cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 494cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned dataLength = 495cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PES_packet_length - 3 - PES_header_data_length; 496cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4970da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber CHECK_GE(br->numBitsLeft(), dataLength * 8); 4980da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 4990da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 5000da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, br->data(), dataLength); 501cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 502cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(dataLength * 8); 503cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 5040da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber onPayloadData( 5050da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber PTS_DTS_flags, PTS, DTS, 5060da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber br->data(), br->numBitsLeft() / 8); 5070da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 508cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t payloadSizeBits = br->numBitsLeft(); 509f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(payloadSizeBits % 8, 0u); 510cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("There's %d bytes of payload.", payloadSizeBits / 8); 512cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 513cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else if (stream_id == 0xbe) { // padding_stream 514cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 515cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 516cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 517cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_NE(PES_packet_length, 0u); 518cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(PES_packet_length * 8); 519cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 520cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 521cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 522cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::flush() { 523cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mBuffer->size() == 0) { 524cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 525cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 526cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 5276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("flushing stream 0x%04x size = %d", mElementaryPID, mBuffer->size()); 528cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 529cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br(mBuffer->data(), mBuffer->size()); 530cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePES(&br); 531cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 532cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber mBuffer->setRange(0, 0); 533cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 534cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 535cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::Stream::onPayloadData( 536cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PTS_DTS_flags, uint64_t PTS, uint64_t DTS, 537cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber const uint8_t *data, size_t size) { 5386e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onPayloadData mStreamType=0x%02x", mStreamType); 539cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 540cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK(PTS_DTS_flags == 2 || PTS_DTS_flags == 3); 541bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber int64_t timeUs = mProgram->convertPTSToTimestamp(PTS); 54282f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 5436a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber status_t err = mQueue.appendData(data, size, timeUs); 544decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber 545decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber if (err != OK) { 546decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber return; 547decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber } 54882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 5496a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<ABuffer> accessUnit; 5506a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber while ((accessUnit = mQueue.dequeueAccessUnit()) != NULL) { 5516a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (mSource == NULL) { 5526a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber sp<MetaData> meta = mQueue.getFormat(); 55382f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 5546a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber if (meta != NULL) { 5556a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber LOGV("created source!"); 5566a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource = new AnotherPacketSource(meta); 557f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 5586a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 55982f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 5602a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } else if (mQueue.getFormat() != NULL) { 5612a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // After a discontinuity we invalidate the queue's format 5622a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // and won't enqueue any access units to the source until 5632a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber // the queue has reestablished the new format. 5646a63a939601645404fd98f58c19cc38ca818d99eAndreas Huber mSource->queueAccessUnit(accessUnit); 56582f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 56682f7321b03eec1e40af9d681370f754ee0279582Andreas Huber } 56782f7321b03eec1e40af9d681370f754ee0279582Andreas Huber} 56882f7321b03eec1e40af9d681370f754ee0279582Andreas Huber 569cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::Stream::getSource(SourceType type) { 570cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if ((type == AVC_VIDEO && mStreamType == 0x1b) 571cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber || (type == MPEG2ADTS_AUDIO && mStreamType == 0x0f)) { 572cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return mSource; 573cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 574cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 575cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 576cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 577cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 578cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber//////////////////////////////////////////////////////////////////////////////// 579cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 580cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::ATSParser() { 581cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 582cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 583cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas HuberATSParser::~ATSParser() { 584cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 585cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 586cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::feedTSPacket(const void *data, size_t size) { 587cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(size, kTSPacketSize); 588cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 589cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader br((const uint8_t *)data, kTSPacketSize); 590cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseTS(&br); 591cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 592cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 593f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalDiscontinuity(DiscontinuityType type) { 594f933441648ef6a71dee783d733aac17b9508b452Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 595f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalDiscontinuity(type); 596f933441648ef6a71dee783d733aac17b9508b452Andreas Huber } 597f933441648ef6a71dee783d733aac17b9508b452Andreas Huber} 598f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 599f933441648ef6a71dee783d733aac17b9508b452Andreas Hubervoid ATSParser::signalEOS(status_t finalResult) { 600f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_NE(finalResult, (status_t)OK); 601f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 6022a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 603f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.editItemAt(i)->signalEOS(finalResult); 6042a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber } 6052a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber} 6062a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 607cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseProgramAssociationTable(ABitReader *br) { 608cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned table_id = br->getBits(8); 6096e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" table_id = %u", table_id); 610cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(table_id, 0x00u); 611cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 612cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_syntax_indictor = br->getBits(1); 6136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_syntax_indictor = %u", section_syntax_indictor); 614cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(section_syntax_indictor, 1u); 615cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 616cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(br->getBits(1), 0u); 6176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 618cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 619cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned section_length = br->getBits(12); 6206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" section_length = %u", section_length); 621f933441648ef6a71dee783d733aac17b9508b452Andreas Huber CHECK_EQ(section_length & 0xc00, 0u); 622cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6236e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" transport_stream_id = %u", br->getBits(16)); 6246e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(2)); 6256e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" version_number = %u", br->getBits(5)); 6266e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" current_next_indicator = %u", br->getBits(1)); 6276e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" section_number = %u", br->getBits(8)); 6286e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" last_section_number = %u", br->getBits(8)); 629cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 630cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber size_t numProgramBytes = (section_length - 5 /* header */ - 4 /* crc */); 631cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ((numProgramBytes % 4), 0u); 632cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 633cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < numProgramBytes / 4; ++i) { 634cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned program_number = br->getBits(16); 6356e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_number = %u", program_number); 636cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" reserved = %u", br->getBits(3)); 638cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 639cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (program_number == 0) { 6406e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" network_PID = 0x%04x", br->getBits(13)); 641cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } else { 642cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned programMapPID = br->getBits(13); 643cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6446e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV(" program_map_PID = 0x%04x", programMapPID); 645cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 646f933441648ef6a71dee783d733aac17b9508b452Andreas Huber mPrograms.push(new Program(this, programMapPID)); 647cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 648cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 649cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6506e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV(" CRC = 0x%08x", br->getBits(32)); 651cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 652cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 653cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parsePID( 654cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber ABitReader *br, unsigned PID, 655cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator) { 656cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (PID == 0) { 657cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (payload_unit_start_indicator) { 658cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned skip = br->getBits(8); 659cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(skip * 8); 660cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 661cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseProgramAssociationTable(br); 662cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return; 663cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 664cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 665cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool handled = false; 666cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 667cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (mPrograms.editItemAt(i)->parsePID( 668cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber PID, payload_unit_start_indicator, br)) { 669cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber handled = true; 670cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber break; 671cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 672cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 673cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 674cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (!handled) { 6756e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID 0x%04x not handled.", PID); 676cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 677cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 678cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 679cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseAdaptationField(ABitReader *br) { 680cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_length = br->getBits(8); 681cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_length > 0) { 682cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber br->skipBits(adaptation_field_length * 8); // XXX 683cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 684cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 685cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 686cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubervoid ATSParser::parseTS(ABitReader *br) { 6876e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("---"); 688cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 689cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned sync_byte = br->getBits(8); 690cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber CHECK_EQ(sync_byte, 0x47u); 691cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6926e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_error_indicator = %u", br->getBits(1)); 693cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 694cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned payload_unit_start_indicator = br->getBits(1); 6956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("payload_unit_start_indicator = %u", payload_unit_start_indicator); 696cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 6976e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_priority = %u", br->getBits(1)); 698cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 699cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned PID = br->getBits(13); 7006e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("PID = 0x%04x", PID); 701cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7026e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber MY_LOGV("transport_scrambling_control = %u", br->getBits(2)); 703cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 704cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber unsigned adaptation_field_control = br->getBits(2); 7056e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("adaptation_field_control = %u", adaptation_field_control); 706cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 7070da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber unsigned continuity_counter = br->getBits(4); 7080da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber LOGV("continuity_counter = %u", continuity_counter); 7090da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber 7100da4dab0a45a2bc1d95cbc6ef6a4850ed2569584Andreas Huber // LOGI("PID = 0x%04x, continuity_counter = %u", PID, continuity_counter); 711cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 712cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 2 || adaptation_field_control == 3) { 713cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parseAdaptationField(br); 714cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 715cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 716cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (adaptation_field_control == 1 || adaptation_field_control == 3) { 717cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber parsePID(br, PID, payload_unit_start_indicator); 718cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 719cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 720cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 721cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubersp<MediaSource> ATSParser::getSource(SourceType type) { 722cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber for (size_t i = 0; i < mPrograms.size(); ++i) { 723cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MediaSource> source = mPrograms.editItemAt(i)->getSource(type); 724cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 725cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber if (source != NULL) { 726cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return source; 727cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 728cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber } 729cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 730cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber return NULL; 731cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} 732cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 733cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 734