HTTPLiveSource.cpp revision b5f25f005bc1d3ae35f45b58c88345e183dc336d
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 695bc087c573c70c84c6a39946457590b42d392a33Andreas Hubervoid NuPlayer::HTTPLiveSource::start() { 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; 845bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 855bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 86840667883fd09d44015716d79bc3ac4d60edc0f0Andreas Hubersp<MetaData> NuPlayer::HTTPLiveSource::getFormatMeta(bool audio) { 875bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 88386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 895bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 905bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 915bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 925bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 935bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 945bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return NULL; 955bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 965bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 975bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->getFormat(); 985bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 995bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 100eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huberstatus_t NuPlayer::HTTPLiveSource::feedMoreTSData() { 101eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber if (mFinalResult != OK) { 102eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return mFinalResult; 1035bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1045bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1055bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<LiveDataSource> source = 1065bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<LiveDataSource *>(mLiveSession->getDataSource().get()); 1075bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 10822fc52f6f72f39e33c3970d0291de3569118aa5cAndreas Huber for (int32_t i = 0; i < 50; ++i) { 1095bc087c573c70c84c6a39946457590b42d392a33Andreas Huber char buffer[188]; 1105bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ssize_t n = source->readAtNonBlocking(mOffset, buffer, sizeof(buffer)); 1115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1125bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (n == -EWOULDBLOCK) { 1135bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 1145bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else if (n < 0) { 115dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber if (n != ERROR_END_OF_STREAM) { 116df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("input data EOS reached, error %ld", n); 117dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber } else { 118df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("input data EOS reached."); 119dc9bacd838442a524585887e6ea6696836be2edaAndreas Huber } 1201aef211b4e5dc952081727bfd2318b2cb5ca4506Andreas Huber mTSParser->signalEOS(n); 121eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = n; 1225bc087c573c70c84c6a39946457590b42d392a33Andreas Huber break; 1235bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 1245bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (buffer[0] == 0x00) { 1255bc087c573c70c84c6a39946457590b42d392a33Andreas Huber // XXX legacy 126b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 127b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber uint8_t type = buffer[1]; 128b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 129b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber sp<AMessage> extra = new AMessage; 130b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 131b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if (type & 2) { 132b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber int64_t mediaTimeUs; 133b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber memcpy(&mediaTimeUs, &buffer[2], sizeof(mediaTimeUs)); 134b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 135b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber extra->setInt64(IStreamListener::kKeyMediaTimeUs, mediaTimeUs); 136b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 137b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 1385bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mTSParser->signalDiscontinuity( 139b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber ((type & 1) == 0) 1405bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ? ATSParser::DISCONTINUITY_SEEK 14132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber : ATSParser::DISCONTINUITY_FORMATCHANGE, 14232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber extra); 1435bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } else { 14406528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber status_t err = mTSParser->feedTSPacket(buffer, sizeof(buffer)); 14506528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber 14606528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber if (err != OK) { 14729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("TS Parser returned error %d", err); 14806528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber mTSParser->signalEOS(err); 149eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber mFinalResult = err; 15006528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber break; 15106528d7f18ad01377357d337eaa3e875a242bd2dAndreas Huber } 1525bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1535bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1545bc087c573c70c84c6a39946457590b42d392a33Andreas Huber mOffset += n; 1555bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1565bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1575bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 158eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber return OK; 1595bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1605bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1615bc087c573c70c84c6a39946457590b42d392a33Andreas Huberstatus_t NuPlayer::HTTPLiveSource::dequeueAccessUnit( 1625bc087c573c70c84c6a39946457590b42d392a33Andreas Huber bool audio, sp<ABuffer> *accessUnit) { 1635bc087c573c70c84c6a39946457590b42d392a33Andreas Huber ATSParser::SourceType type = 164386d609dc513e838c7e7c4c46c604493ccd560beAndreas Huber audio ? ATSParser::AUDIO : ATSParser::VIDEO; 1655bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1665bc087c573c70c84c6a39946457590b42d392a33Andreas Huber sp<AnotherPacketSource> source = 1675bc087c573c70c84c6a39946457590b42d392a33Andreas Huber static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get()); 1685bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1695bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (source == NULL) { 1705bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return -EWOULDBLOCK; 1715bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1725bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1735bc087c573c70c84c6a39946457590b42d392a33Andreas Huber status_t finalResult; 1745bc087c573c70c84c6a39946457590b42d392a33Andreas Huber if (!source->hasBufferAvailable(&finalResult)) { 1755bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return finalResult == OK ? -EWOULDBLOCK : finalResult; 1765bc087c573c70c84c6a39946457590b42d392a33Andreas Huber } 1775bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 1785bc087c573c70c84c6a39946457590b42d392a33Andreas Huber return source->dequeueAccessUnit(accessUnit); 1795bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} 1805bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 18143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberstatus_t NuPlayer::HTTPLiveSource::getDuration(int64_t *durationUs) { 18243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return mLiveSession->getDuration(durationUs); 18343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 18443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 18543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huberstatus_t NuPlayer::HTTPLiveSource::seekTo(int64_t seekTimeUs) { 18643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber // We need to make sure we're not seeking until we have seen the very first 18743c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber // PTS timestamp in the whole stream (from the beginning of the stream). 188eac68baf095aeef54865c28b6888924dc6295cbdAndreas Huber while (!mTSParser->PTSTimeDeltaEstablished() && feedMoreTSData() == OK) { 18943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber usleep(100000); 19043c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber } 19143c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 19243c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber mLiveSession->seekTo(seekTimeUs); 19343c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 19443c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber return OK; 19543c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 19643c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 197b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huberuint32_t NuPlayer::HTTPLiveSource::flags() const { 198b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber uint32_t flags = 0; 199b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if (mLiveSession->isSeekable()) { 200b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber flags |= FLAG_SEEKABLE; 201b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 202b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 203b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber if (mLiveSession->hasDynamicDuration()) { 204b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber flags |= FLAG_DYNAMIC_DURATION; 205b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber } 206b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber 207b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber return flags; 20843c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber} 20943c3e6ce02215ca99d506458f596cb1211639f29Andreas Huber 2105bc087c573c70c84c6a39946457590b42d392a33Andreas Huber} // namespace android 2115bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 212