StreamingSource.cpp revision 87f2a558dd12043631e12c361abef301bf603140
15bc087c573c70c84c6a39946457590b42d392a33Andreas Huber/* 25bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * Copyright (C) 2010 The Android Open Source Project 35bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * 45bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 55bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * you may not use this file except in compliance with the License. 65bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * You may obtain a copy of the License at 75bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * 85bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 95bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * 105bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * Unless required by applicable law or agreed to in writing, software 115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 125bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * See the License for the specific language governing permissions and 145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber * limitations under the License. 155bc087c573c70c84c6a39946457590b42d392a33Andreas Huber */ 165bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber//#define LOG_NDEBUG 0 185bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#define LOG_TAG "StreamingSource" 195bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <utils/Log.h> 205bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 215bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "StreamingSource.h" 225bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 235bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "ATSParser.h" 245bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "AnotherPacketSource.h" 255bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "NuPlayerStreamListener.h" 265bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 275bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 285bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/ADebug.h> 295bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/AMessage.h> 305bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/MediaSource.h> 315bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/MetaData.h> 325bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 335bc087c573c70c84c6a39946457590b42d392a33Andreas Hubernamespace android { 345bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 355bc087c573c70c84c6a39946457590b42d392a33Andreas HuberNuPlayer::StreamingSource::StreamingSource(const sp<IStreamSource> &source) 365bc087c573c70c84c6a39946457590b42d392a33Andreas Huber : mSource(source), 37eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult(OK) { 385bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 395bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 405bc087c573c70c84c6a39946457590b42d392a33Andreas HuberNuPlayer::StreamingSource::~StreamingSource() { 415bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 425bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 435bc087c573c70c84c6a39946457590b42d392a33Andreas Hubervoid NuPlayer::StreamingSource::start() { 445bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mStreamListener = new NuPlayerStreamListener(mSource, 0); 4587f2a558dd12043631e12c361abef301bf603140Andreas Huber 4687f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t sourceFlags = mSource->flags(); 4787f2a558dd12043631e12c361abef301bf603140Andreas Huber 4887f2a558dd12043631e12c361abef301bf603140Andreas Huber uint32_t parserFlags = ATSParser::TS_TIMESTAMPS_ARE_ABSOLUTE; 4987f2a558dd12043631e12c361abef301bf603140Andreas Huber if (sourceFlags & IStreamSource::kFlagAlignedVideoData) { 5087f2a558dd12043631e12c361abef301bf603140Andreas Huber parserFlags |= ATSParser::ALIGNED_VIDEO_DATA; 5187f2a558dd12043631e12c361abef301bf603140Andreas Huber } 5287f2a558dd12043631e12c361abef301bf603140Andreas Huber 5387f2a558dd12043631e12c361abef301bf603140Andreas Huber mTSParser = new ATSParser(parserFlags); 545bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 555bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mStreamListener->start(); 565bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 575bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 58eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huberstatus_t NuPlayer::StreamingSource::feedMoreTSData() { 59eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber if (mFinalResult != OK) { 60eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return mFinalResult; 615bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 625bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 63078cfcf7cce9185ec7559910d08b0bc02bfc88a3Andreas Huber for (int32_t i = 0; i < 50; ++i) { 645bc087c573c70c84c6a39946457590b42d392a33Andreas Huber char buffer[188]; 6532f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber sp<AMessage> extra; 6632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber ssize_t n = mStreamListener->read(buffer, sizeof(buffer), &extra); 675bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 685bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (n == 0) { 69df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("input data EOS reached."); 705bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalEOS(ERROR_END_OF_STREAM); 71eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = ERROR_END_OF_STREAM; 725bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 735bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n == INFO_DISCONTINUITY) { 74bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber int32_t type = ATSParser::DISCONTINUITY_SEEK; 7542e549e4ab54802d788c43e3a04a85b7a1a95e97Andreas Huber 76bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber int32_t mask; 7742e549e4ab54802d788c43e3a04a85b7a1a95e97Andreas Huber if (extra != NULL 7842e549e4ab54802d788c43e3a04a85b7a1a95e97Andreas Huber && extra->findInt32( 79bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber IStreamListener::kKeyDiscontinuityMask, &mask)) { 80bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber if (mask == 0) { 8129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Client specified an illegal discontinuity type."); 82bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber return ERROR_UNSUPPORTED; 83bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber } 84bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber 85bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber type = mask; 8642e549e4ab54802d788c43e3a04a85b7a1a95e97Andreas Huber } 8742e549e4ab54802d788c43e3a04a85b7a1a95e97Andreas Huber 88bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber mTSParser->signalDiscontinuity( 89bfcc8d8ab7c56bc013bd221a29e1ecf3a6390813Andreas Huber (ATSParser::DiscontinuityType)type, extra); 905bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n < 0) { 915bc087c573c70c84c6a39946457590b42d392a33Andreas Huber CHECK_EQ(n, -EWOULDBLOCK); 925bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 935bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 945bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (buffer[0] == 0x00) { 955bc087c573c70c84c6a39946457590b42d392a33Andreas Huber // XXX legacy 965bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalDiscontinuity( 975bc087c573c70c84c6a39946457590b42d392a33Andreas Huber buffer[1] == 0x00 985bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ? ATSParser::DISCONTINUITY_SEEK 9932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber : ATSParser::DISCONTINUITY_FORMATCHANGE, 10032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra); 1015bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 10206528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err = mTSParser->feedTSPacket(buffer, sizeof(buffer)); 10306528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 10406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 10529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("TS Parser returned error %d", err); 10606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 10706528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mTSParser->signalEOS(err); 108eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = err; 10906528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber break; 11006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 1115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1125bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 115eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return OK; 1165bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 118840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Hubersp<MetaData> NuPlayer::StreamingSource::getFormatMeta(bool audio) { 1195bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 120386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 1215bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1225bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1235bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1245bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1255bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1265bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return NULL; 1275bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1285bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1295bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->getFormat(); 1305bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1315bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1325bc087c573c70c84c6a39946457590b42d392a33Andreas Huberstatus_t NuPlayer::StreamingSource::dequeueAccessUnit( 1335bc087c573c70c84c6a39946457590b42d392a33Andreas Huber bool audio, sp<ABuffer> *accessUnit) { 1345bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 135386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 1365bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1375bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1385bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1395bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1405bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1415bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return -EWOULDBLOCK; 1425bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1435bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1445bc087c573c70c84c6a39946457590b42d392a33Andreas Huber status_t finalResult; 1455bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (!source->hasBufferAvailable(&finalResult)) { 1465bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return finalResult == OK ? -EWOULDBLOCK : finalResult; 1475bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1485bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 14987f2a558dd12043631e12c361abef301bf603140Andreas Huber status_t err = source->dequeueAccessUnit(accessUnit); 15087f2a558dd12043631e12c361abef301bf603140Andreas Huber 15187f2a558dd12043631e12c361abef301bf603140Andreas Huber#if !defined(LOG_NDEBUG) || LOG_NDEBUG == 0 15287f2a558dd12043631e12c361abef301bf603140Andreas Huber if (err == OK) { 15387f2a558dd12043631e12c361abef301bf603140Andreas Huber int64_t timeUs; 15487f2a558dd12043631e12c361abef301bf603140Andreas Huber CHECK((*accessUnit)->meta()->findInt64("timeUs", &timeUs)); 15587f2a558dd12043631e12c361abef301bf603140Andreas Huber ALOGV("dequeueAccessUnit timeUs=%lld us", timeUs); 15687f2a558dd12043631e12c361abef301bf603140Andreas Huber } 15787f2a558dd12043631e12c361abef301bf603140Andreas Huber#endif 15887f2a558dd12043631e12c361abef301bf603140Andreas Huber 15987f2a558dd12043631e12c361abef301bf603140Andreas Huber return err; 1605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1615bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1625bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} // namespace android 1635bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 164