HTTPLiveSource.cpp revision 9575c96b6e418914e2ffc6741ecc8d71e3968dbe
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 "HTTPLiveSource" 195bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <utils/Log.h> 205bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 215bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "HTTPLiveSource.h" 225bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 235bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "ATSParser.h" 245bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "AnotherPacketSource.h" 255bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "LiveDataSource.h" 265bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "LiveSession.h" 275bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 285bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 295bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/ADebug.h> 305bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/foundation/AMessage.h> 315bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/MediaErrors.h> 325bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include <media/stagefright/MetaData.h> 335bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 345bc087c573c70c84c6a39946457590b42d392a33Andreas Hubernamespace android { 355bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 36ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas HuberNuPlayer::HTTPLiveSource::HTTPLiveSource( 37b5f25f005bc1d3ae35f45b58c88345e183dc336dAndreas Huber const sp<AMessage> ¬ify, 38ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber const char *url, 399b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber const KeyedVector<String8, String8> *headers, 409b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber bool uidValid, uid_t uid) 41b5f25f005bc1d3ae35f45b58c88345e183dc336dAndreas Huber : Source(notify), 42b5f25f005bc1d3ae35f45b58c88345e183dc336dAndreas Huber mURL(url), 439b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber mUIDValid(uidValid), 449b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber mUID(uid), 45ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mFlags(0), 46eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult(OK), 475bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mOffset(0) { 48ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber if (headers) { 49ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mExtraHeaders = *headers; 50ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber 51ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber ssize_t index = 52ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mExtraHeaders.indexOfKey(String8("x-hide-urls-from-log")); 53ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber 54ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber if (index >= 0) { 55ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mFlags |= kFlagIncognito; 56ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber 57ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mExtraHeaders.removeItemsAt(index); 58ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber } 59ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber } 605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 615bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 625bc087c573c70c84c6a39946457590b42d392a33Andreas HuberNuPlayer::HTTPLiveSource::~HTTPLiveSource() { 632048d0cfccce48be26816dec8711a6691ebff71cAndreas Huber if (mLiveSession != NULL) { 642048d0cfccce48be26816dec8711a6691ebff71cAndreas Huber mLiveSession->disconnect(); 652048d0cfccce48be26816dec8711a6691ebff71cAndreas Huber mLiveLooper->stop(); 662048d0cfccce48be26816dec8711a6691ebff71cAndreas Huber } 675bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 685bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 699575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Hubervoid NuPlayer::HTTPLiveSource::prepareAsync() { 705bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mLiveLooper = new ALooper; 715bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mLiveLooper->setName("http live"); 725bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mLiveLooper->start(); 735bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 747314fa17093d514199fedcb55ac41136a1b31cb3Andreas Huber mLiveSession = new LiveSession( 759b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber (mFlags & kFlagIncognito) ? LiveSession::kFlagIncognito : 0, 769b80c2bdb205bc143104f54d0743b6eedd67b14eAndreas Huber mUIDValid, mUID); 777314fa17093d514199fedcb55ac41136a1b31cb3Andreas Huber 785bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mLiveLooper->registerHandler(mLiveSession); 795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 80ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mLiveSession->connect( 81ad0d9c9c39a24b7fbd94e935a5855c9025341929Andreas Huber mURL.c_str(), mExtraHeaders.isEmpty() ? NULL : &mExtraHeaders); 825bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 835bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser = new ATSParser; 849575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 859575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber notifyVideoSizeChanged(0, 0); 869575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 879575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber uint32_t flags = FLAG_CAN_PAUSE; 889575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber if (mLiveSession->isSeekable()) { 899575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber flags |= FLAG_CAN_SEEK; 909575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber flags |= FLAG_CAN_SEEK_BACKWARD; 919575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber flags |= FLAG_CAN_SEEK_FORWARD; 929575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber } 939575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 949575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber if (mLiveSession->hasDynamicDuration()) { 959575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber flags |= FLAG_DYNAMIC_DURATION; 969575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber } 979575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 989575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber notifyFlagsChanged(flags); 999575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 1009575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber notifyPrepared(); 1019575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber} 1029575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Huber 1039575c96b6e418914e2ffc6741ecc8d71e3968dbeAndreas Hubervoid NuPlayer::HTTPLiveSource::start() { 1045bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1055bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 106840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Hubersp<MetaData> NuPlayer::HTTPLiveSource::getFormatMeta(bool audio) { 1075bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 108386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 1095bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1105bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1125bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return NULL; 1155bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1165bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->getFormat(); 1185bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1195bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 120eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huberstatus_t NuPlayer::HTTPLiveSource::feedMoreTSData() { 121eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber if (mFinalResult != OK) { 122eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return mFinalResult; 1235bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1245bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1255bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<LiveDataSource> source = 1265bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<LiveDataSource *>(mLiveSession->getDataSource().get()); 1275bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 12822fc52f6f72f39e33c3970d0291de3569118aa5cAndreas Huber for (int32_t i = 0; i < 50; ++i) { 1295bc087c573c70c84c6a39946457590b42d392a33Andreas Huber char buffer[188]; 1305bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ssize_t n = source->readAtNonBlocking(mOffset, buffer, sizeof(buffer)); 1315bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1325bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (n == -EWOULDBLOCK) { 1335bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 1345bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n < 0) { 135dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber if (n != ERROR_END_OF_STREAM) { 136df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("input data EOS reached, error %ld", n); 137dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber } else { 138df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("input data EOS reached."); 139dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber } 1401aef211b4e5dc952081727bfd2318b2cb5ca4506Andreas Huber mTSParser->signalEOS(n); 141eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = n; 1425bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 1435bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 1445bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (buffer[0] == 0x00) { 1455bc087c573c70c84c6a39946457590b42d392a33Andreas Huber // XXX legacy 146b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 147b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber uint8_t type = buffer[1]; 148b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 149b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber sp<AMessage> extra = new AMessage; 150b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 151b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if (type & 2) { 152b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 153b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber memcpy(&mediaTimeUs, &buffer[2], sizeof(mediaTimeUs)); 154b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 155b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber extra->setInt64(IStreamListener::kKeyMediaTimeUs, mediaTimeUs); 156b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 157b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 1585bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalDiscontinuity( 159b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber ((type & 1) == 0) 1605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ? ATSParser::DISCONTINUITY_SEEK 16132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber : ATSParser::DISCONTINUITY_FORMATCHANGE, 16232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra); 1635bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 16406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err = mTSParser->feedTSPacket(buffer, sizeof(buffer)); 16506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 16606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 16729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("TS Parser returned error %d", err); 16806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mTSParser->signalEOS(err); 169eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = err; 17006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber break; 17106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 1725bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1735bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1745bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mOffset += n; 1755bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1765bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1775bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 178eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return OK; 1795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1805bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1815bc087c573c70c84c6a39946457590b42d392a33Andreas Huberstatus_t NuPlayer::HTTPLiveSource::dequeueAccessUnit( 1825bc087c573c70c84c6a39946457590b42d392a33Andreas Huber bool audio, sp<ABuffer> *accessUnit) { 1835bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 184386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 1855bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1865bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1875bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1885bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1895bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1905bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return -EWOULDBLOCK; 1915bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1925bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1935bc087c573c70c84c6a39946457590b42d392a33Andreas Huber status_t finalResult; 1945bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (!source->hasBufferAvailable(&finalResult)) { 1955bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return finalResult == OK ? -EWOULDBLOCK : finalResult; 1965bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1975bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1985bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->dequeueAccessUnit(accessUnit); 1995bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 2005bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 20143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberstatus_t NuPlayer::HTTPLiveSource::getDuration(int64_t *durationUs) { 20243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mLiveSession->getDuration(durationUs); 20343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 20443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 20543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberstatus_t NuPlayer::HTTPLiveSource::seekTo(int64_t seekTimeUs) { 20643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber // We need to make sure we're not seeking until we have seen the very first 20743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber // PTS timestamp in the whole stream (from the beginning of the stream). 208eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber while (!mTSParser->PTSTimeDeltaEstablished() && feedMoreTSData() == OK) { 20943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber usleep(100000); 21043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 21143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 21243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber mLiveSession->seekTo(seekTimeUs); 21343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 21443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return OK; 21543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 21643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 2175bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} // namespace android 2185bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 219