StreamingSource.cpp revision 5bc087c573c70c84c6a39946457590b42d392a33
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), 375bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mEOS(false) { 385bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 395bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 405bc087c573c70c84c6a39946457590b42d392a33Andreas HuberNuPlayer::StreamingSource::~StreamingSource() { 415bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 425bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 435bc087c573c70c84c6a39946457590b42d392a33Andreas Hubervoid NuPlayer::StreamingSource::start() { 445bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mStreamListener = new NuPlayerStreamListener(mSource, 0); 455bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser = new ATSParser; 465bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 475bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mStreamListener->start(); 485bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 495bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 505bc087c573c70c84c6a39946457590b42d392a33Andreas Huberbool NuPlayer::StreamingSource::feedMoreTSData() { 515bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (mEOS) { 525bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return false; 535bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 545bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 555bc087c573c70c84c6a39946457590b42d392a33Andreas Huber for (int32_t i = 0; i < 10; ++i) { 565bc087c573c70c84c6a39946457590b42d392a33Andreas Huber char buffer[188]; 575bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ssize_t n = mStreamListener->read(buffer, sizeof(buffer)); 585bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 595bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (n == 0) { 605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber LOGI("input data EOS reached."); 615bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalEOS(ERROR_END_OF_STREAM); 625bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mEOS = true; 635bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 645bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n == INFO_DISCONTINUITY) { 655bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalDiscontinuity(ATSParser::DISCONTINUITY_SEEK); 665bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n < 0) { 675bc087c573c70c84c6a39946457590b42d392a33Andreas Huber CHECK_EQ(n, -EWOULDBLOCK); 685bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 695bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 705bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (buffer[0] == 0x00) { 715bc087c573c70c84c6a39946457590b42d392a33Andreas Huber // XXX legacy 725bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalDiscontinuity( 735bc087c573c70c84c6a39946457590b42d392a33Andreas Huber buffer[1] == 0x00 745bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ? ATSParser::DISCONTINUITY_SEEK 755bc087c573c70c84c6a39946457590b42d392a33Andreas Huber : ATSParser::DISCONTINUITY_FORMATCHANGE); 765bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 775bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->feedTSPacket(buffer, sizeof(buffer)); 785bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 805bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 815bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 825bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return true; 835bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 845bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 855bc087c573c70c84c6a39946457590b42d392a33Andreas Hubersp<MetaData> NuPlayer::StreamingSource::getFormat(bool audio) { 865bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 875bc087c573c70c84c6a39946457590b42d392a33Andreas Huber audio ? ATSParser::MPEG2ADTS_AUDIO : ATSParser::AVC_VIDEO; 885bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 895bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 905bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 915bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 925bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 935bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return NULL; 945bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 955bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 965bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->getFormat(); 975bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 985bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 995bc087c573c70c84c6a39946457590b42d392a33Andreas Huberstatus_t NuPlayer::StreamingSource::dequeueAccessUnit( 1005bc087c573c70c84c6a39946457590b42d392a33Andreas Huber bool audio, sp<ABuffer> *accessUnit) { 1015bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 1025bc087c573c70c84c6a39946457590b42d392a33Andreas Huber audio ? ATSParser::MPEG2ADTS_AUDIO : ATSParser::AVC_VIDEO; 1035bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1045bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1055bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1065bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1075bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1085bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return -EWOULDBLOCK; 1095bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1105bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber status_t finalResult; 1125bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (!source->hasBufferAvailable(&finalResult)) { 1135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return finalResult == OK ? -EWOULDBLOCK : finalResult; 1145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1155bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1165bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->dequeueAccessUnit(accessUnit); 1175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1185bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1195bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} // namespace android 1205bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 121