1cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber/* 2cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 4cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * you may not use this file except in compliance with the License. 6cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * You may obtain a copy of the License at 7cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 8cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 10cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * See the License for the specific language governing permissions and 14cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * limitations under the License. 15cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber */ 16cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ARTPConnection" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 213677437296fd1547d762b1b227a3de83dbc960d6Tareq A. Siraj#include "ARTPAssembler.h" 22cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "ARTPConnection.h" 23cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 24cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "ARTPSource.h" 25cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "ASessionDescription.h" 26cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 27cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 28cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/ADebug.h> 29cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/AMessage.h> 30cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/AString.h> 3139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber#include <media/stagefright/foundation/hexdump.h> 32cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 33cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <arpa/inet.h> 34cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <sys/socket.h> 35cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 36cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubernamespace android { 37cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 3839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huberstatic const size_t kMaxUDPSize = 1500; 3939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 40cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatic uint16_t u16at(const uint8_t *data) { 41cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return data[0] << 8 | data[1]; 42cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 43cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 44cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatic uint32_t u32at(const uint8_t *data) { 45cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return u16at(data) << 16 | u16at(&data[2]); 46cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 47cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 48cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatic uint64_t u64at(const uint8_t *data) { 49cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return (uint64_t)(u32at(data)) << 32 | u32at(&data[4]); 50cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 51cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 52cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber// static 53cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberconst int64_t ARTPConnection::kSelectTimeoutUs = 1000ll; 54cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 55cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstruct ARTPConnection::StreamInfo { 56cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int mRTPSocket; 57cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int mRTCPSocket; 58cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<ASessionDescription> mSessionDesc; 59cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t mIndex; 60cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<AMessage> mNotifyMsg; 6139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber KeyedVector<uint32_t, sp<ARTPSource> > mSources; 6239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 63f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber int64_t mNumRTCPPacketsReceived; 64f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber int64_t mNumRTPPacketsReceived; 6539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber struct sockaddr_in mRemoteRTCPAddr; 660792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 670792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber bool mIsInjected; 68cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber}; 69cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 70f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas HuberARTPConnection::ARTPConnection(uint32_t flags) 71f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber : mFlags(flags), 72f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber mPollEventPending(false), 7339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastReceiverReportTimeUs(-1) { 74cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 75cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 76cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas HuberARTPConnection::~ARTPConnection() { 77cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 78cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 79cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::addStream( 80cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int rtpSocket, int rtcpSocket, 81cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const sp<ASessionDescription> &sessionDesc, 82cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t index, 830792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber const sp<AMessage> ¬ify, 840792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber bool injected) { 85cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<AMessage> msg = new AMessage(kWhatAddStream, id()); 86cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setInt32("rtp-socket", rtpSocket); 87cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setInt32("rtcp-socket", rtcpSocket); 88cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setObject("session-desc", sessionDesc); 89cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setSize("index", index); 90cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setMessage("notify", notify); 910792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber msg->setInt32("injected", injected); 92cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->post(); 93cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 94cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 95cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::removeStream(int rtpSocket, int rtcpSocket) { 96cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<AMessage> msg = new AMessage(kWhatRemoveStream, id()); 97cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setInt32("rtp-socket", rtpSocket); 98cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->setInt32("rtcp-socket", rtcpSocket); 99cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->post(); 100cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 101cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 102cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatic void bumpSocketBufferSize(int s) { 103cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int size = 256 * 1024; 104cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK_EQ(setsockopt(s, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size)), 0); 105cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 106cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 107cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber// static 108cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::MakePortPair( 109cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int *rtpSocket, int *rtcpSocket, unsigned *rtpPort) { 110cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber *rtpSocket = socket(AF_INET, SOCK_DGRAM, 0); 111cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK_GE(*rtpSocket, 0); 112cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 113cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber bumpSocketBufferSize(*rtpSocket); 114cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 115cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber *rtcpSocket = socket(AF_INET, SOCK_DGRAM, 0); 116cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK_GE(*rtcpSocket, 0); 117cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 118cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber bumpSocketBufferSize(*rtcpSocket); 119cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 120cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber unsigned start = (rand() * 1000)/ RAND_MAX + 15550; 121cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber start &= ~1; 122cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 123cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber for (unsigned port = start; port < 65536; port += 2) { 124cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber struct sockaddr_in addr; 125cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber memset(addr.sin_zero, 0, sizeof(addr.sin_zero)); 126cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber addr.sin_family = AF_INET; 127dc468c5f9d72ce54de0070493e9a23efb8907e06Andreas Huber addr.sin_addr.s_addr = htonl(INADDR_ANY); 128cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber addr.sin_port = htons(port); 129cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 130cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (bind(*rtpSocket, 131cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber (const struct sockaddr *)&addr, sizeof(addr)) < 0) { 132cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber continue; 133cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 134cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 135cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber addr.sin_port = htons(port + 1); 136cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 137cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (bind(*rtcpSocket, 138cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber (const struct sockaddr *)&addr, sizeof(addr)) == 0) { 139cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber *rtpPort = port; 140cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return; 141cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 142cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 143cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 144cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber TRESPASS(); 145cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 146cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 147cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::onMessageReceived(const sp<AMessage> &msg) { 148cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber switch (msg->what()) { 149cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber case kWhatAddStream: 150cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 151cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber onAddStream(msg); 152cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 153cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 154cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 155cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber case kWhatRemoveStream: 156cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 157cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber onRemoveStream(msg); 158cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 159cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 160cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 161cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber case kWhatPollStreams: 162cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 163cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber onPollStreams(); 164cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 165cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 166cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 1670792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber case kWhatInjectPacket: 1680792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber { 1690792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber onInjectPacket(msg); 1700792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber break; 1710792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 1720792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 173cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber default: 174cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 175cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber TRESPASS(); 176cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 177cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 178cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 179cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 180cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 181cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::onAddStream(const sp<AMessage> &msg) { 182cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mStreams.push_back(StreamInfo()); 183cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber StreamInfo *info = &*--mStreams.end(); 184cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 185cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int32_t s; 186cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findInt32("rtp-socket", &s)); 187cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber info->mRTPSocket = s; 188cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findInt32("rtcp-socket", &s)); 189cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber info->mRTCPSocket = s; 190cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 1910792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber int32_t injected; 1920792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber CHECK(msg->findInt32("injected", &injected)); 1930792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 1940792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber info->mIsInjected = injected; 1950792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 196cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<RefBase> obj; 197cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findObject("session-desc", &obj)); 198cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber info->mSessionDesc = static_cast<ASessionDescription *>(obj.get()); 199cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 200cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findSize("index", &info->mIndex)); 201cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findMessage("notify", &info->mNotifyMsg)); 202cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 20339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber info->mNumRTCPPacketsReceived = 0; 204f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber info->mNumRTPPacketsReceived = 0; 20539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber memset(&info->mRemoteRTCPAddr, 0, sizeof(info->mRemoteRTCPAddr)); 20639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 2070792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber if (!injected) { 2080792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber postPollEvent(); 2090792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 210cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 211cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 212cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::onRemoveStream(const sp<AMessage> &msg) { 213cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int32_t rtpSocket, rtcpSocket; 214cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findInt32("rtp-socket", &rtpSocket)); 215cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber CHECK(msg->findInt32("rtcp-socket", &rtcpSocket)); 216cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 217cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber List<StreamInfo>::iterator it = mStreams.begin(); 218cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber while (it != mStreams.end() 219cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber && (it->mRTPSocket != rtpSocket || it->mRTCPSocket != rtcpSocket)) { 220cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber ++it; 221cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 222cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 223cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (it == mStreams.end()) { 2248c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber return; 225cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 226cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 227cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mStreams.erase(it); 228cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 229cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 230cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::postPollEvent() { 231cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (mPollEventPending) { 232cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return; 233cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 234cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 235cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<AMessage> msg = new AMessage(kWhatPollStreams, id()); 236cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber msg->post(); 237cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 238cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mPollEventPending = true; 239cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 240cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 241cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPConnection::onPollStreams() { 242cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mPollEventPending = false; 243cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 244cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (mStreams.empty()) { 245cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return; 246cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 247cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 248cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber struct timeval tv; 249cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber tv.tv_sec = 0; 250cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber tv.tv_usec = kSelectTimeoutUs; 251cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 252cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber fd_set rs; 253cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber FD_ZERO(&rs); 254cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 255cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int maxSocket = -1; 256cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber for (List<StreamInfo>::iterator it = mStreams.begin(); 257cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber it != mStreams.end(); ++it) { 2580792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber if ((*it).mIsInjected) { 2590792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber continue; 2600792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 2610792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 262cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber FD_SET(it->mRTPSocket, &rs); 263cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber FD_SET(it->mRTCPSocket, &rs); 264cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 265cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (it->mRTPSocket > maxSocket) { 266cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber maxSocket = it->mRTPSocket; 267cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 268cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (it->mRTCPSocket > maxSocket) { 269cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber maxSocket = it->mRTCPSocket; 270cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 271cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 272cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 2737aef03379179c109c2547c33c410bfc93c8db576Andreas Huber if (maxSocket == -1) { 2747aef03379179c109c2547c33c410bfc93c8db576Andreas Huber return; 2757aef03379179c109c2547c33c410bfc93c8db576Andreas Huber } 2767aef03379179c109c2547c33c410bfc93c8db576Andreas Huber 277cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int res = select(maxSocket + 1, &rs, NULL, NULL, &tv); 278cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 279cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (res > 0) { 2808c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber List<StreamInfo>::iterator it = mStreams.begin(); 2818c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber while (it != mStreams.end()) { 2820792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber if ((*it).mIsInjected) { 2838c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ++it; 2840792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber continue; 2850792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 2860792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 2878c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber status_t err = OK; 288cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (FD_ISSET(it->mRTPSocket, &rs)) { 2898c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber err = receive(&*it, true); 2908c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber } 2918c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber if (err == OK && FD_ISSET(it->mRTCPSocket, &rs)) { 2928c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber err = receive(&*it, false); 293cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 2948c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 2958c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber if (err == -ECONNRESET) { 2968c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber // socket failure, this stream is dead, Jim. 2978c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 2985ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("failed to receive RTP/RTCP datagram."); 2998c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber it = mStreams.erase(it); 3008c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber continue; 301cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 3028c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 3038c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ++it; 304cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 305cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 306cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 30739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber int64_t nowUs = ALooper::GetNowUs(); 30839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (mLastReceiverReportTimeUs <= 0 30939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber || mLastReceiverReportTimeUs + 5000000ll <= nowUs) { 31039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sp<ABuffer> buffer = new ABuffer(kMaxUDPSize); 3118c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber List<StreamInfo>::iterator it = mStreams.begin(); 3128c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber while (it != mStreams.end()) { 31339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber StreamInfo *s = &*it; 31439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 3157aef03379179c109c2547c33c410bfc93c8db576Andreas Huber if (s->mIsInjected) { 3168c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ++it; 3177aef03379179c109c2547c33c410bfc93c8db576Andreas Huber continue; 3187aef03379179c109c2547c33c410bfc93c8db576Andreas Huber } 3197aef03379179c109c2547c33c410bfc93c8db576Andreas Huber 32039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (s->mNumRTCPPacketsReceived == 0) { 32139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber // We have never received any RTCP packets on this stream, 32239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber // we don't even know where to send a report. 3238c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ++it; 32439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber continue; 32539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 32639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 32739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber buffer->setRange(0, 0); 32839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 32939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber for (size_t i = 0; i < s->mSources.size(); ++i) { 33039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sp<ARTPSource> source = s->mSources.valueAt(i); 33139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 33239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber source->addReceiverReport(buffer); 333f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber 334f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber if (mFlags & kRegularlyRequestFIR) { 335f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber source->addFIR(buffer); 336f8ca90452ff3e252f20de38f1c3eee524c808c3eAndreas Huber } 33739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 33839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 33939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (buffer->size() > 0) { 3403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Sending RR..."); 34139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 3428c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ssize_t n; 3438c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber do { 3448c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber n = sendto( 34539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber s->mRTCPSocket, buffer->data(), buffer->size(), 0, 34639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber (const struct sockaddr *)&s->mRemoteRTCPAddr, 34739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sizeof(s->mRemoteRTCPAddr)); 3488c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber } while (n < 0 && errno == EINTR); 3498c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 3508c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber if (n <= 0) { 3515ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("failed to send RTCP receiver report (%s).", 3528c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber n == 0 ? "connection gone" : strerror(errno)); 3538c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 3548c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber it = mStreams.erase(it); 3558c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber continue; 3568c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber } 3578c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 35839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber CHECK_EQ(n, (ssize_t)buffer->size()); 35939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 36039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastReceiverReportTimeUs = nowUs; 36139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 3628c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 3638c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ++it; 36439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 36539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 3668c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber 3678c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber if (!mStreams.empty()) { 3688c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber postPollEvent(); 3698c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber } 370cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 371cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 372cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatus_t ARTPConnection::receive(StreamInfo *s, bool receiveRTP) { 3733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("receiving %s", receiveRTP ? "RTP" : "RTCP"); 374dc468c5f9d72ce54de0070493e9a23efb8907e06Andreas Huber 3750792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber CHECK(!s->mIsInjected); 3760792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 377cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<ABuffer> buffer = new ABuffer(65536); 378cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 37939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber socklen_t remoteAddrLen = 38039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber (!receiveRTP && s->mNumRTCPPacketsReceived == 0) 38139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber ? sizeof(s->mRemoteRTCPAddr) : 0; 382cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 3838c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber ssize_t nbytes; 3848c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber do { 3858c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber nbytes = recvfrom( 386cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber receiveRTP ? s->mRTPSocket : s->mRTCPSocket, 387cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->data(), 388cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->capacity(), 389cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 0, 39039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber remoteAddrLen > 0 ? (struct sockaddr *)&s->mRemoteRTCPAddr : NULL, 39139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber remoteAddrLen > 0 ? &remoteAddrLen : NULL); 3928c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber } while (nbytes < 0 && errno == EINTR); 393cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 3948c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber if (nbytes <= 0) { 3958c308ffd781132c8417cebc3bf77c2e56a464e0bAndreas Huber return -ECONNRESET; 396cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 397cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 398cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->setRange(0, nbytes); 399cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 400df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block // ALOGI("received %d bytes.", buffer->size()); 40162cb04d23642a2ea7c005f050494c8ef3c370dd3Andreas Huber 402cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber status_t err; 403cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (receiveRTP) { 404cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber err = parseRTP(s, buffer); 405cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else { 406cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber err = parseRTCP(s, buffer); 407cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 408cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 409cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return err; 410cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 411cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 412cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatus_t ARTPConnection::parseRTP(StreamInfo *s, const sp<ABuffer> &buffer) { 413f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber if (s->mNumRTPPacketsReceived++ == 0) { 414f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber sp<AMessage> notify = s->mNotifyMsg->dup(); 415f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber notify->setInt32("first-rtp", true); 416f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber notify->post(); 417f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber } 418f61551f4fc79e7da879802e3974afa9b03ffb5d0Andreas Huber 419cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t size = buffer->size(); 420cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 421cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < 12) { 422cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Too short to be a valid RTP header. 423cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 424cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 425cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 426cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const uint8_t *data = buffer->data(); 427cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 428cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if ((data[0] >> 6) != 2) { 429cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Unsupported version. 430cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 431cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 432cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 433cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (data[0] & 0x20) { 434cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Padding present. 435cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 436cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t paddingLength = data[size - 1]; 437cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 438cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (paddingLength + 12 > size) { 439cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // If we removed this much padding we'd end up with something 440cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // that's too short to be a valid RTP header. 441cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 442cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 443cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 444cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size -= paddingLength; 445cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 446cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 447cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber int numCSRCs = data[0] & 0x0f; 448cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 449cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t payloadOffset = 12 + 4 * numCSRCs; 450cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 451cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < payloadOffset) { 452cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Not enough data to fit the basic header and all the CSRC entries. 453cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 454cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 455cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 456cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (data[0] & 0x10) { 457cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Header eXtension present. 458cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 459cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < payloadOffset + 4) { 460cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Not enough data to fit the basic header, all CSRC entries 461cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // and the first 4 bytes of the extension header. 462cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 463cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 464cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 465cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 466cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const uint8_t *extensionData = &data[payloadOffset]; 467cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 468cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t extensionLength = 469cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 4 * (extensionData[2] << 8 | extensionData[3]); 470cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 471cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < payloadOffset + 4 + extensionLength) { 472cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 473cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 474cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 475cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber payloadOffset += 4 + extensionLength; 476cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 477cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 478cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t srcId = u32at(&data[8]); 479cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 48039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sp<ARTPSource> source = findSource(s, srcId); 481cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 482cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t rtpTime = u32at(&data[4]); 483cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 484cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<AMessage> meta = buffer->meta(); 485cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber meta->setInt32("ssrc", srcId); 486cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber meta->setInt32("rtp-time", rtpTime); 487cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber meta->setInt32("PT", data[1] & 0x7f); 488cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber meta->setInt32("M", data[1] >> 7); 489cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 490cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->setInt32Data(u16at(&data[2])); 491cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->setRange(payloadOffset, size - payloadOffset); 492cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 493cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber source->processRTPPacket(buffer); 494cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 495cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return OK; 496cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 497cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 498cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatus_t ARTPConnection::parseRTCP(StreamInfo *s, const sp<ABuffer> &buffer) { 499e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber if (s->mNumRTCPPacketsReceived++ == 0) { 500e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber sp<AMessage> notify = s->mNotifyMsg->dup(); 501e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber notify->setInt32("first-rtcp", true); 502e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber notify->post(); 503e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber } 504e7d3e90d8761f52a6acfdcd926f0392aca8ebb52Andreas Huber 505cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const uint8_t *data = buffer->data(); 506cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t size = buffer->size(); 507cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 508cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber while (size > 0) { 509cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < 8) { 510cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Too short to be a valid RTCP header 511cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 512cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 513cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 514cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if ((data[0] >> 6) != 2) { 515cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Unsupported version. 516cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 517cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 518cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 519cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (data[0] & 0x20) { 520cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Padding present. 521cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 522cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t paddingLength = data[size - 1]; 523cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 524cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (paddingLength + 12 > size) { 525cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // If we removed this much padding we'd end up with something 526cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // that's too short to be a valid RTP header. 527cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 528cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 529cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 530cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size -= paddingLength; 531cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 532cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 533cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t headerLength = 4 * (data[2] << 8 | data[3]) + 4; 534cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 535cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < headerLength) { 536cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Only received a partial packet? 537cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 538cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 539cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 540cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber switch (data[1]) { 541cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber case 200: 542cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 543cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber parseSR(s, data, headerLength); 544cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 545cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 546cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 54739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 201: // RR 54839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 202: // SDES 54939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 204: // APP 55039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber break; 55139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 55239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 205: // TSFB (transport layer specific feedback) 55339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 206: // PSFB (payload specific feedback) 55439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber // hexdump(data, headerLength); 55539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber break; 55639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 55739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber case 203: 558cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber { 55939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber parseBYE(s, data, headerLength); 56039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber break; 56139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 562cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 56339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber default: 56439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber { 5655ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Unknown RTCP packet type %u of size %d", 5666e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber (unsigned)data[1], headerLength); 567cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber break; 568cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 569cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 570cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 571cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber data += headerLength; 572cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size -= headerLength; 573cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 574cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 575cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return OK; 576cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 577cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 57839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huberstatus_t ARTPConnection::parseBYE( 57939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber StreamInfo *s, const uint8_t *data, size_t size) { 58039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber size_t SC = data[0] & 0x3f; 58139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 58239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (SC == 0 || size < (4 + SC * 4)) { 58339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber // Packet too short for the minimal BYE header. 58439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return -1; 58539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 58639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 58739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber uint32_t id = u32at(&data[4]); 58839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 58939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sp<ARTPSource> source = findSource(s, id); 59039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 59139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber source->byeReceived(); 59239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 59339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return OK; 59439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber} 59539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 596cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatus_t ARTPConnection::parseSR( 597cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber StreamInfo *s, const uint8_t *data, size_t size) { 598cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber size_t RC = data[0] & 0x1f; 599cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 600cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (size < (7 + RC * 6) * 4) { 601cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Packet too short for the minimal SR header. 602cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return -1; 603cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 604cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 605cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t id = u32at(&data[4]); 606cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint64_t ntpTime = u64at(&data[8]); 607cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t rtpTime = u32at(&data[16]); 608cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 60939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber#if 0 610df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("XXX timeUpdate: ssrc=0x%08x, rtpTime %u == ntpTime %.3f", 6116e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber id, 6126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber rtpTime, 6136e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber (ntpTime >> 32) + (double)(ntpTime & 0xffffffff) / (1ll << 32)); 61439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber#endif 61539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 61639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber sp<ARTPSource> source = findSource(s, id); 61739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 618100a4408968b90e314526185d572c72ea4cc784aAndreas Huber source->timeUpdate(rtpTime, ntpTime); 619cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 62039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return 0; 62139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber} 62239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 62339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Hubersp<ARTPSource> ARTPConnection::findSource(StreamInfo *info, uint32_t srcId) { 624cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sp<ARTPSource> source; 62539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber ssize_t index = info->mSources.indexOfKey(srcId); 626cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (index < 0) { 62739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber index = info->mSources.size(); 628cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 629cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber source = new ARTPSource( 63039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber srcId, info->mSessionDesc, info->mIndex, info->mNotifyMsg); 63139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 63239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber info->mSources.add(srcId, source); 633cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else { 63439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber source = info->mSources.valueAt(index); 635cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 636cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 63739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return source; 638cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 639cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 6400792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Hubervoid ARTPConnection::injectPacket(int index, const sp<ABuffer> &buffer) { 6410792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber sp<AMessage> msg = new AMessage(kWhatInjectPacket, id()); 6420792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber msg->setInt32("index", index); 6432d8bedd05437b6fccdbc6bf70f673ffd86744d59Andreas Huber msg->setBuffer("buffer", buffer); 6440792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber msg->post(); 6450792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber} 6460792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6470792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Hubervoid ARTPConnection::onInjectPacket(const sp<AMessage> &msg) { 6480792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber int32_t index; 6490792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber CHECK(msg->findInt32("index", &index)); 6500792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6512d8bedd05437b6fccdbc6bf70f673ffd86744d59Andreas Huber sp<ABuffer> buffer; 6522d8bedd05437b6fccdbc6bf70f673ffd86744d59Andreas Huber CHECK(msg->findBuffer("buffer", &buffer)); 6530792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6540792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber List<StreamInfo>::iterator it = mStreams.begin(); 6550792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber while (it != mStreams.end() 6560792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber && it->mRTPSocket != index && it->mRTCPSocket != index) { 6570792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber ++it; 6580792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 6590792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6600792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber if (it == mStreams.end()) { 6610792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber TRESPASS(); 6620792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 6630792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6640792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber StreamInfo *s = &*it; 6650792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 6660792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber status_t err; 6670792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber if (it->mRTPSocket == index) { 6680792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber err = parseRTP(s, buffer); 6690792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } else { 6700792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber err = parseRTCP(s, buffer); 6710792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber } 6720792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber} 6730792ce7e0924ebb0dbe7b7cfcd79d12cbdb03ed2Andreas Huber 674cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} // namespace android 675cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 676