henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 2 | * Copyright 2004 The WebRTC project authors. All Rights Reserved. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 3 | * |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 11 | #include <algorithm> |
| 12 | #include <iterator> |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 13 | #include <utility> |
| 14 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 15 | #include "pc/channel.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 16 | |
Karl Wiberg | 918f50c | 2018-07-05 11:40:33 +0200 | [diff] [blame] | 17 | #include "absl/memory/memory.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 18 | #include "api/call/audio_sink.h" |
| 19 | #include "media/base/mediaconstants.h" |
| 20 | #include "media/base/rtputils.h" |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 21 | #include "modules/rtp_rtcp/source/rtp_packet_received.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 22 | #include "rtc_base/bind.h" |
| 23 | #include "rtc_base/byteorder.h" |
| 24 | #include "rtc_base/checks.h" |
| 25 | #include "rtc_base/copyonwritebuffer.h" |
| 26 | #include "rtc_base/dscp.h" |
| 27 | #include "rtc_base/logging.h" |
| 28 | #include "rtc_base/networkroute.h" |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame^] | 29 | #include "rtc_base/strings/string_builder.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 30 | #include "rtc_base/trace_event.h" |
Patrik Höglund | 42805f3 | 2018-01-18 19:15:38 +0000 | [diff] [blame] | 31 | // Adding 'nogncheck' to disable the gn include headers check to support modular |
| 32 | // WebRTC build targets. |
| 33 | #include "media/engine/webrtcvoiceengine.h" // nogncheck |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 34 | #include "p2p/base/packettransportinternal.h" |
| 35 | #include "pc/channelmanager.h" |
Steve Anton | 4e70a72 | 2017-11-28 14:57:10 -0800 | [diff] [blame] | 36 | #include "pc/rtpmediautils.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 37 | |
| 38 | namespace cricket { |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 39 | using rtc::Bind; |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 40 | using webrtc::SdpType; |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 41 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 42 | namespace { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 43 | |
| 44 | struct SendPacketMessageData : public rtc::MessageData { |
| 45 | rtc::CopyOnWriteBuffer packet; |
| 46 | rtc::PacketOptions options; |
| 47 | }; |
| 48 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 49 | } // namespace |
| 50 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 51 | enum { |
Steve Anton | 0807d15 | 2018-03-05 11:23:09 -0800 | [diff] [blame] | 52 | MSG_SEND_RTP_PACKET = 1, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 53 | MSG_SEND_RTCP_PACKET, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 54 | MSG_READYTOSENDDATA, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 55 | MSG_DATARECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 56 | MSG_FIRSTPACKETRECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 57 | }; |
| 58 | |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 59 | static void SafeSetError(const std::string& message, std::string* error_desc) { |
| 60 | if (error_desc) { |
| 61 | *error_desc = message; |
| 62 | } |
| 63 | } |
| 64 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 65 | static bool ValidPacket(bool rtcp, const rtc::CopyOnWriteBuffer* packet) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 66 | // Check the packet size. We could check the header too if needed. |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 67 | return packet && IsValidRtpRtcpPacketSize(rtcp, packet->size()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 68 | } |
| 69 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 70 | template <class Codec> |
| 71 | void RtpParametersFromMediaDescription( |
| 72 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 73 | const RtpHeaderExtensions& extensions, |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 74 | RtpParameters<Codec>* params) { |
| 75 | // TODO(pthatcher): Remove this once we're sure no one will give us |
Zhi Huang | 801b868 | 2017-11-15 11:36:43 -0800 | [diff] [blame] | 76 | // a description without codecs. Currently the ORTC implementation is relying |
| 77 | // on this. |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 78 | if (desc->has_codecs()) { |
| 79 | params->codecs = desc->codecs(); |
| 80 | } |
| 81 | // TODO(pthatcher): See if we really need |
| 82 | // rtp_header_extensions_set() and remove it if we don't. |
| 83 | if (desc->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 84 | params->extensions = extensions; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 85 | } |
deadbeef | 1387149 | 2015-12-09 12:37:51 -0800 | [diff] [blame] | 86 | params->rtcp.reduced_size = desc->rtcp_reduced_size(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 87 | } |
| 88 | |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 89 | template <class Codec> |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 90 | void RtpSendParametersFromMediaDescription( |
| 91 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 92 | const RtpHeaderExtensions& extensions, |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 93 | RtpSendParameters<Codec>* send_params) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 94 | RtpParametersFromMediaDescription(desc, extensions, send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 95 | send_params->max_bandwidth_bps = desc->bandwidth(); |
| 96 | } |
| 97 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 98 | BaseChannel::BaseChannel(rtc::Thread* worker_thread, |
| 99 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 100 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 101 | std::unique_ptr<MediaChannel> media_channel, |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 102 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 103 | bool srtp_required, |
| 104 | rtc::CryptoOptions crypto_options) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 105 | : worker_thread_(worker_thread), |
| 106 | network_thread_(network_thread), |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 107 | signaling_thread_(signaling_thread), |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 108 | content_name_(content_name), |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 109 | srtp_required_(srtp_required), |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 110 | crypto_options_(crypto_options), |
Zhi Huang | 1d88d74 | 2017-11-15 15:58:49 -0800 | [diff] [blame] | 111 | media_channel_(std::move(media_channel)) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 112 | RTC_DCHECK_RUN_ON(worker_thread_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 113 | demuxer_criteria_.mid = content_name; |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 114 | RTC_LOG(LS_INFO) << "Created channel for " << content_name; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | BaseChannel::~BaseChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 118 | TRACE_EVENT0("webrtc", "BaseChannel::~BaseChannel"); |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 119 | RTC_DCHECK_RUN_ON(worker_thread_); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 120 | // Eats any outstanding messages or packets. |
| 121 | worker_thread_->Clear(&invoker_); |
| 122 | worker_thread_->Clear(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 123 | // We must destroy the media channel before the transport channel, otherwise |
| 124 | // the media channel may try to send on the dead transport channel. NULLing |
| 125 | // is not an effective strategy since the sends will come on another thread. |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 126 | media_channel_.reset(); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 127 | RTC_LOG(LS_INFO) << "Destroyed channel: " << content_name_; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 128 | } |
| 129 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 130 | bool BaseChannel::ConnectToRtpTransport() { |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 131 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 132 | if (!RegisterRtpDemuxerSink()) { |
| 133 | return false; |
| 134 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 135 | rtp_transport_->SignalReadyToSend.connect( |
| 136 | this, &BaseChannel::OnTransportReadyToSend); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 137 | rtp_transport_->SignalRtcpPacketReceived.connect( |
| 138 | this, &BaseChannel::OnRtcpPacketReceived); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 139 | rtp_transport_->SignalNetworkRouteChanged.connect( |
| 140 | this, &BaseChannel::OnNetworkRouteChanged); |
| 141 | rtp_transport_->SignalWritableState.connect(this, |
| 142 | &BaseChannel::OnWritableState); |
| 143 | rtp_transport_->SignalSentPacket.connect(this, |
| 144 | &BaseChannel::SignalSentPacket_n); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 145 | return true; |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 146 | } |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 147 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 148 | void BaseChannel::DisconnectFromRtpTransport() { |
| 149 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 150 | rtp_transport_->UnregisterRtpDemuxerSink(this); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 151 | rtp_transport_->SignalReadyToSend.disconnect(this); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 152 | rtp_transport_->SignalRtcpPacketReceived.disconnect(this); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 153 | rtp_transport_->SignalNetworkRouteChanged.disconnect(this); |
| 154 | rtp_transport_->SignalWritableState.disconnect(this); |
| 155 | rtp_transport_->SignalSentPacket.disconnect(this); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 156 | } |
| 157 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 158 | void BaseChannel::Init_w(webrtc::RtpTransportInternal* rtp_transport) { |
| 159 | RTC_DCHECK_RUN_ON(worker_thread_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 160 | network_thread_->Invoke<void>( |
| 161 | RTC_FROM_HERE, [this, rtp_transport] { SetRtpTransport(rtp_transport); }); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 162 | |
| 163 | // Both RTP and RTCP channels should be set, we can call SetInterface on |
| 164 | // the media channel and it can set network options. |
| 165 | media_channel_->SetInterface(this); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 166 | } |
| 167 | |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 168 | void BaseChannel::Deinit() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 169 | RTC_DCHECK(worker_thread_->IsCurrent()); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 170 | media_channel_->SetInterface(NULL); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 171 | // Packets arrive on the network thread, processing packets calls virtual |
| 172 | // functions, so need to stop this process in Deinit that is called in |
| 173 | // derived classes destructor. |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 174 | network_thread_->Invoke<void>(RTC_FROM_HERE, [&] { |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 175 | FlushRtcpMessages_n(); |
Zhi Huang | 27f3bf5 | 2018-03-26 21:37:23 -0700 | [diff] [blame] | 176 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 177 | if (rtp_transport_) { |
| 178 | DisconnectFromRtpTransport(); |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 179 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 180 | // Clear pending read packets/messages. |
| 181 | network_thread_->Clear(&invoker_); |
| 182 | network_thread_->Clear(this); |
| 183 | }); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 184 | } |
| 185 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 186 | bool BaseChannel::SetRtpTransport(webrtc::RtpTransportInternal* rtp_transport) { |
| 187 | if (rtp_transport == rtp_transport_) { |
| 188 | return true; |
| 189 | } |
| 190 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 191 | if (!network_thread_->IsCurrent()) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 192 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this, rtp_transport] { |
| 193 | return SetRtpTransport(rtp_transport); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 194 | }); |
| 195 | } |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 196 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 197 | if (rtp_transport_) { |
| 198 | DisconnectFromRtpTransport(); |
| 199 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 200 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 201 | rtp_transport_ = rtp_transport; |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 202 | if (rtp_transport_) { |
| 203 | RTC_DCHECK(rtp_transport_->rtp_packet_transport()); |
| 204 | transport_name_ = rtp_transport_->rtp_packet_transport()->transport_name(); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 205 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 206 | if (!ConnectToRtpTransport()) { |
| 207 | RTC_LOG(LS_ERROR) << "Failed to connect to the new RtpTransport."; |
| 208 | return false; |
| 209 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 210 | OnTransportReadyToSend(rtp_transport_->IsReadyToSend()); |
| 211 | UpdateWritableState_n(); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 212 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 213 | // Set the cached socket options. |
| 214 | for (const auto& pair : socket_options_) { |
| 215 | rtp_transport_->rtp_packet_transport()->SetOption(pair.first, |
| 216 | pair.second); |
| 217 | } |
| 218 | if (rtp_transport_->rtcp_packet_transport()) { |
| 219 | for (const auto& pair : rtcp_socket_options_) { |
| 220 | rtp_transport_->rtp_packet_transport()->SetOption(pair.first, |
| 221 | pair.second); |
| 222 | } |
| 223 | } |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 224 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 225 | return true; |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 226 | } |
| 227 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 228 | bool BaseChannel::Enable(bool enable) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 229 | worker_thread_->Invoke<void>( |
| 230 | RTC_FROM_HERE, |
| 231 | Bind(enable ? &BaseChannel::EnableMedia_w : &BaseChannel::DisableMedia_w, |
| 232 | this)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 233 | return true; |
| 234 | } |
| 235 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 236 | bool BaseChannel::AddRecvStream(const StreamParams& sp) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 237 | demuxer_criteria_.ssrcs.insert(sp.first_ssrc()); |
| 238 | if (!RegisterRtpDemuxerSink()) { |
| 239 | return false; |
| 240 | } |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 241 | return InvokeOnWorker<bool>(RTC_FROM_HERE, |
| 242 | Bind(&BaseChannel::AddRecvStream_w, this, sp)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 243 | } |
| 244 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 245 | bool BaseChannel::RemoveRecvStream(uint32_t ssrc) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 246 | demuxer_criteria_.ssrcs.erase(ssrc); |
| 247 | if (!RegisterRtpDemuxerSink()) { |
| 248 | return false; |
| 249 | } |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 250 | return InvokeOnWorker<bool>( |
| 251 | RTC_FROM_HERE, Bind(&BaseChannel::RemoveRecvStream_w, this, ssrc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 252 | } |
| 253 | |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 254 | bool BaseChannel::AddSendStream(const StreamParams& sp) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 255 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 256 | RTC_FROM_HERE, Bind(&MediaChannel::AddSendStream, media_channel(), sp)); |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 257 | } |
| 258 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 259 | bool BaseChannel::RemoveSendStream(uint32_t ssrc) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 260 | return InvokeOnWorker<bool>( |
| 261 | RTC_FROM_HERE, |
| 262 | Bind(&MediaChannel::RemoveSendStream, media_channel(), ssrc)); |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 263 | } |
| 264 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 265 | bool BaseChannel::SetLocalContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 266 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 267 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 268 | TRACE_EVENT0("webrtc", "BaseChannel::SetLocalContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 269 | return InvokeOnWorker<bool>( |
| 270 | RTC_FROM_HERE, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 271 | Bind(&BaseChannel::SetLocalContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | bool BaseChannel::SetRemoteContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 275 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 276 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 277 | TRACE_EVENT0("webrtc", "BaseChannel::SetRemoteContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 278 | return InvokeOnWorker<bool>( |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 279 | RTC_FROM_HERE, |
| 280 | Bind(&BaseChannel::SetRemoteContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 281 | } |
| 282 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 283 | bool BaseChannel::IsReadyToReceiveMedia_w() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 284 | // Receive data if we are enabled and have local content, |
Steve Anton | 4e70a72 | 2017-11-28 14:57:10 -0800 | [diff] [blame] | 285 | return enabled() && |
| 286 | webrtc::RtpTransceiverDirectionHasRecv(local_content_direction_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 287 | } |
| 288 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 289 | bool BaseChannel::IsReadyToSendMedia_w() const { |
| 290 | // Need to access some state updated on the network thread. |
| 291 | return network_thread_->Invoke<bool>( |
| 292 | RTC_FROM_HERE, Bind(&BaseChannel::IsReadyToSendMedia_n, this)); |
| 293 | } |
| 294 | |
| 295 | bool BaseChannel::IsReadyToSendMedia_n() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 296 | // Send outgoing data if we are enabled, have local and remote content, |
| 297 | // and we have had some form of connectivity. |
Steve Anton | 4e70a72 | 2017-11-28 14:57:10 -0800 | [diff] [blame] | 298 | return enabled() && |
| 299 | webrtc::RtpTransceiverDirectionHasRecv(remote_content_direction_) && |
| 300 | webrtc::RtpTransceiverDirectionHasSend(local_content_direction_) && |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 301 | was_ever_writable(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 302 | } |
| 303 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 304 | bool BaseChannel::SendPacket(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 305 | const rtc::PacketOptions& options) { |
| 306 | return SendPacket(false, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 307 | } |
| 308 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 309 | bool BaseChannel::SendRtcp(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 310 | const rtc::PacketOptions& options) { |
| 311 | return SendPacket(true, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 312 | } |
| 313 | |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 314 | int BaseChannel::SetOption(SocketType type, |
| 315 | rtc::Socket::Option opt, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 316 | int value) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 317 | return network_thread_->Invoke<int>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 318 | RTC_FROM_HERE, Bind(&BaseChannel::SetOption_n, this, type, opt, value)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | int BaseChannel::SetOption_n(SocketType type, |
| 322 | rtc::Socket::Option opt, |
| 323 | int value) { |
| 324 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 325 | RTC_DCHECK(rtp_transport_); |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 326 | rtc::PacketTransportInternal* transport = nullptr; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 327 | switch (type) { |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 328 | case ST_RTP: |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 329 | transport = rtp_transport_->rtp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 330 | socket_options_.push_back( |
| 331 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 332 | break; |
| 333 | case ST_RTCP: |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 334 | transport = rtp_transport_->rtcp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 335 | rtcp_socket_options_.push_back( |
| 336 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 337 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 338 | } |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 339 | return transport ? transport->SetOption(opt, value) : -1; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 340 | } |
| 341 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 342 | void BaseChannel::OnWritableState(bool writable) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 343 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 344 | if (writable) { |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 345 | ChannelWritable_n(); |
| 346 | } else { |
| 347 | ChannelNotWritable_n(); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 348 | } |
| 349 | } |
| 350 | |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 351 | void BaseChannel::OnNetworkRouteChanged( |
Danil Chapovalov | 66cadcc | 2018-06-19 16:47:43 +0200 | [diff] [blame] | 352 | absl::optional<rtc::NetworkRoute> network_route) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 353 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 354 | rtc::NetworkRoute new_route; |
| 355 | if (network_route) { |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 356 | new_route = *(network_route); |
Zhi Huang | 8c316c1 | 2017-11-13 21:13:45 +0000 | [diff] [blame] | 357 | } |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 358 | // Note: When the RTCP-muxing is not enabled, RTCP transport and RTP transport |
| 359 | // use the same transport name and MediaChannel::OnNetworkRouteChanged cannot |
| 360 | // work correctly. Intentionally leave it broken to simplify the code and |
| 361 | // encourage the users to stop using non-muxing RTCP. |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 362 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, [=] { |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 363 | media_channel_->OnNetworkRouteChanged(transport_name_, new_route); |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 364 | }); |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 365 | } |
| 366 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 367 | void BaseChannel::OnTransportReadyToSend(bool ready) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 368 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 369 | [=] { media_channel_->OnReadyToSend(ready); }); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 370 | } |
| 371 | |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 372 | bool BaseChannel::SendPacket(bool rtcp, |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 373 | rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 374 | const rtc::PacketOptions& options) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 375 | // SendPacket gets called from MediaEngine, on a pacer or an encoder thread. |
| 376 | // If the thread is not our network thread, we will post to our network |
| 377 | // so that the real work happens on our network. This avoids us having to |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 378 | // synchronize access to all the pieces of the send path, including |
| 379 | // SRTP and the inner workings of the transport channels. |
| 380 | // The only downside is that we can't return a proper failure code if |
| 381 | // needed. Since UDP is unreliable anyway, this should be a non-issue. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 382 | if (!network_thread_->IsCurrent()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 383 | // Avoid a copy by transferring the ownership of the packet data. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 384 | int message_id = rtcp ? MSG_SEND_RTCP_PACKET : MSG_SEND_RTP_PACKET; |
| 385 | SendPacketMessageData* data = new SendPacketMessageData; |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 386 | data->packet = std::move(*packet); |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 387 | data->options = options; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 388 | network_thread_->Post(RTC_FROM_HERE, this, message_id, data); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 389 | return true; |
| 390 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 391 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 392 | TRACE_EVENT0("webrtc", "BaseChannel::SendPacket"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 393 | |
| 394 | // Now that we are on the correct thread, ensure we have a place to send this |
| 395 | // packet before doing anything. (We might get RTCP packets that we don't |
| 396 | // intend to send.) If we've negotiated RTCP mux, send RTCP over the RTP |
| 397 | // transport. |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 398 | if (!rtp_transport_ || !rtp_transport_->IsWritable(rtcp)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 399 | return false; |
| 400 | } |
| 401 | |
| 402 | // Protect ourselves against crazy data. |
| 403 | if (!ValidPacket(rtcp, packet)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 404 | RTC_LOG(LS_ERROR) << "Dropping outgoing " << content_name_ << " " |
| 405 | << RtpRtcpStringLiteral(rtcp) |
| 406 | << " packet: wrong size=" << packet->size(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 407 | return false; |
| 408 | } |
| 409 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 410 | if (!srtp_active()) { |
| 411 | if (srtp_required_) { |
| 412 | // The audio/video engines may attempt to send RTCP packets as soon as the |
| 413 | // streams are created, so don't treat this as an error for RTCP. |
| 414 | // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=6809 |
| 415 | if (rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 416 | return false; |
| 417 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 418 | // However, there shouldn't be any RTP packets sent before SRTP is set up |
| 419 | // (and SetSend(true) is called). |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 420 | RTC_LOG(LS_ERROR) |
| 421 | << "Can't send outgoing RTP packet when SRTP is inactive" |
| 422 | << " and crypto is required"; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 423 | RTC_NOTREACHED(); |
deadbeef | 8f425f9 | 2016-12-01 12:26:27 -0800 | [diff] [blame] | 424 | return false; |
| 425 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 426 | |
| 427 | std::string packet_type = rtcp ? "RTCP" : "RTP"; |
| 428 | RTC_LOG(LS_WARNING) << "Sending an " << packet_type |
| 429 | << " packet without encryption."; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 430 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 431 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 432 | // Bon voyage. |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 433 | return rtcp ? rtp_transport_->SendRtcpPacket(packet, options, PF_SRTP_BYPASS) |
| 434 | : rtp_transport_->SendRtpPacket(packet, options, PF_SRTP_BYPASS); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 435 | } |
| 436 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 437 | void BaseChannel::OnRtpPacket(const webrtc::RtpPacketReceived& parsed_packet) { |
| 438 | // Reconstruct the PacketTime from the |parsed_packet|. |
| 439 | // RtpPacketReceived.arrival_time_ms = (PacketTime + 500) / 1000; |
| 440 | // Note: The |not_before| field is always 0 here. This field is not currently |
| 441 | // used, so it should be fine. |
| 442 | int64_t timestamp = -1; |
| 443 | if (parsed_packet.arrival_time_ms() > 0) { |
| 444 | timestamp = parsed_packet.arrival_time_ms() * 1000; |
| 445 | } |
| 446 | rtc::PacketTime packet_time(timestamp, /*not_before=*/0); |
| 447 | |
| 448 | OnPacketReceived(/*rtcp=*/false, parsed_packet.Buffer(), packet_time); |
| 449 | } |
| 450 | |
| 451 | void BaseChannel::UpdateRtpHeaderExtensionMap( |
| 452 | const RtpHeaderExtensions& header_extensions) { |
| 453 | RTC_DCHECK(rtp_transport_); |
| 454 | // Update the header extension map on network thread in case there is data |
| 455 | // race. |
| 456 | // TODO(zhihuang): Add an rtc::ThreadChecker make sure to RtpTransport won't |
| 457 | // be accessed from different threads. |
| 458 | // |
| 459 | // NOTE: This doesn't take the BUNDLE case in account meaning the RTP header |
| 460 | // extension maps are not merged when BUNDLE is enabled. This is fine because |
| 461 | // the ID for MID should be consistent among all the RTP transports. |
| 462 | network_thread_->Invoke<void>(RTC_FROM_HERE, [this, &header_extensions] { |
| 463 | rtp_transport_->UpdateRtpHeaderExtensionMap(header_extensions); |
| 464 | }); |
| 465 | } |
| 466 | |
| 467 | bool BaseChannel::RegisterRtpDemuxerSink() { |
| 468 | RTC_DCHECK(rtp_transport_); |
| 469 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this] { |
| 470 | return rtp_transport_->RegisterRtpDemuxerSink(demuxer_criteria_, this); |
| 471 | }); |
| 472 | } |
| 473 | |
| 474 | void BaseChannel::OnRtcpPacketReceived(rtc::CopyOnWriteBuffer* packet, |
| 475 | const rtc::PacketTime& packet_time) { |
| 476 | OnPacketReceived(/*rtcp=*/true, *packet, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 477 | } |
| 478 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 479 | void BaseChannel::OnPacketReceived(bool rtcp, |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 480 | const rtc::CopyOnWriteBuffer& packet, |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 481 | const rtc::PacketTime& packet_time) { |
honghaiz@google.com | a67ca1a | 2015-01-28 19:48:33 +0000 | [diff] [blame] | 482 | if (!has_received_packet_ && !rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 483 | has_received_packet_ = true; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 484 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_FIRSTPACKETRECEIVED); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 485 | } |
| 486 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 487 | if (!srtp_active() && srtp_required_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 488 | // Our session description indicates that SRTP is required, but we got a |
| 489 | // packet before our SRTP filter is active. This means either that |
| 490 | // a) we got SRTP packets before we received the SDES keys, in which case |
| 491 | // we can't decrypt it anyway, or |
| 492 | // b) we got SRTP packets before DTLS completed on both the RTP and RTCP |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 493 | // transports, so we haven't yet extracted keys, even if DTLS did |
| 494 | // complete on the transport that the packets are being sent on. It's |
| 495 | // really good practice to wait for both RTP and RTCP to be good to go |
| 496 | // before sending media, to prevent weird failure modes, so it's fine |
| 497 | // for us to just eat packets here. This is all sidestepped if RTCP mux |
| 498 | // is used anyway. |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 499 | RTC_LOG(LS_WARNING) |
| 500 | << "Can't process incoming " << RtpRtcpStringLiteral(rtcp) |
| 501 | << " packet when SRTP is inactive and crypto is required"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 502 | return; |
| 503 | } |
| 504 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 505 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 506 | RTC_FROM_HERE, worker_thread_, |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 507 | Bind(&BaseChannel::ProcessPacket, this, rtcp, packet, packet_time)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 508 | } |
| 509 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 510 | void BaseChannel::ProcessPacket(bool rtcp, |
| 511 | const rtc::CopyOnWriteBuffer& packet, |
| 512 | const rtc::PacketTime& packet_time) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 513 | RTC_DCHECK(worker_thread_->IsCurrent()); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 514 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 515 | // Need to copy variable because OnRtcpReceived/OnPacketReceived |
| 516 | // requires non-const pointer to buffer. This doesn't memcpy the actual data. |
| 517 | rtc::CopyOnWriteBuffer data(packet); |
| 518 | if (rtcp) { |
| 519 | media_channel_->OnRtcpReceived(&data, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 520 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 521 | media_channel_->OnPacketReceived(&data, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 525 | void BaseChannel::EnableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 526 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 527 | if (enabled_) |
| 528 | return; |
| 529 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 530 | RTC_LOG(LS_INFO) << "Channel enabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 531 | enabled_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 532 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | void BaseChannel::DisableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 536 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 537 | if (!enabled_) |
| 538 | return; |
| 539 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 540 | RTC_LOG(LS_INFO) << "Channel disabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 541 | enabled_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 542 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 543 | } |
| 544 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 545 | void BaseChannel::UpdateWritableState_n() { |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 546 | if (rtp_transport_->IsWritable(/*rtcp=*/true) && |
| 547 | rtp_transport_->IsWritable(/*rtcp=*/false)) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 548 | ChannelWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 549 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 550 | ChannelNotWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 551 | } |
| 552 | } |
| 553 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 554 | void BaseChannel::ChannelWritable_n() { |
| 555 | RTC_DCHECK(network_thread_->IsCurrent()); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 556 | if (writable_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 557 | return; |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 558 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 559 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 560 | RTC_LOG(LS_INFO) << "Channel writable (" << content_name_ << ")" |
| 561 | << (was_ever_writable_ ? "" : " for the first time"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 562 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 563 | was_ever_writable_ = true; |
| 564 | writable_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 565 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 566 | } |
| 567 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 568 | void BaseChannel::ChannelNotWritable_n() { |
| 569 | RTC_DCHECK(network_thread_->IsCurrent()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 570 | if (!writable_) |
| 571 | return; |
| 572 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 573 | RTC_LOG(LS_INFO) << "Channel not writable (" << content_name_ << ")"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 574 | writable_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 575 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 576 | } |
| 577 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 578 | bool BaseChannel::AddRecvStream_w(const StreamParams& sp) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 579 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
pbos | 482b12e | 2015-11-16 10:19:58 -0800 | [diff] [blame] | 580 | return media_channel()->AddRecvStream(sp); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 581 | } |
| 582 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 583 | bool BaseChannel::RemoveRecvStream_w(uint32_t ssrc) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 584 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 585 | return media_channel()->RemoveRecvStream(ssrc); |
| 586 | } |
| 587 | |
| 588 | bool BaseChannel::UpdateLocalStreams_w(const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 589 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 590 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 591 | // Check for streams that have been removed. |
| 592 | bool ret = true; |
| 593 | for (StreamParamsVec::const_iterator it = local_streams_.begin(); |
| 594 | it != local_streams_.end(); ++it) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 595 | if (it->has_ssrcs() && !GetStreamBySsrc(streams, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 596 | if (!media_channel()->RemoveSendStream(it->first_ssrc())) { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame^] | 597 | rtc::StringBuilder desc; |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 598 | desc << "Failed to remove send stream with ssrc " << it->first_ssrc() |
| 599 | << "."; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 600 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 601 | ret = false; |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | // Check for new streams. |
| 606 | for (StreamParamsVec::const_iterator it = streams.begin(); |
| 607 | it != streams.end(); ++it) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 608 | if (it->has_ssrcs() && !GetStreamBySsrc(local_streams_, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 609 | if (media_channel()->AddSendStream(*it)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 610 | RTC_LOG(LS_INFO) << "Add send stream ssrc: " << it->ssrcs[0]; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 611 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame^] | 612 | rtc::StringBuilder desc; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 613 | desc << "Failed to add send stream ssrc: " << it->first_ssrc(); |
| 614 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 615 | ret = false; |
| 616 | } |
| 617 | } |
| 618 | } |
| 619 | local_streams_ = streams; |
| 620 | return ret; |
| 621 | } |
| 622 | |
| 623 | bool BaseChannel::UpdateRemoteStreams_w( |
| 624 | const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 625 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 626 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 627 | // Check for streams that have been removed. |
| 628 | bool ret = true; |
| 629 | for (StreamParamsVec::const_iterator it = remote_streams_.begin(); |
| 630 | it != remote_streams_.end(); ++it) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 631 | // If we no longer have an unsignaled stream, we would like to remove |
| 632 | // the unsignaled stream params that are cached. |
| 633 | if ((!it->has_ssrcs() && !HasStreamWithNoSsrcs(streams)) || |
| 634 | !GetStreamBySsrc(streams, it->first_ssrc())) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 635 | if (RemoveRecvStream_w(it->first_ssrc())) { |
| 636 | RTC_LOG(LS_INFO) << "Remove remote ssrc: " << it->first_ssrc(); |
| 637 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame^] | 638 | rtc::StringBuilder desc; |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 639 | desc << "Failed to remove remote stream with ssrc " << it->first_ssrc() |
| 640 | << "."; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 641 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 642 | ret = false; |
| 643 | } |
| 644 | } |
| 645 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 646 | demuxer_criteria_.ssrcs.clear(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 647 | // Check for new streams. |
| 648 | for (StreamParamsVec::const_iterator it = streams.begin(); |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 649 | it != streams.end(); ++it) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 650 | // We allow a StreamParams with an empty list of SSRCs, in which case the |
| 651 | // MediaChannel will cache the parameters and use them for any unsignaled |
| 652 | // stream received later. |
| 653 | if ((!it->has_ssrcs() && !HasStreamWithNoSsrcs(remote_streams_)) || |
| 654 | !GetStreamBySsrc(remote_streams_, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 655 | if (AddRecvStream_w(*it)) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 656 | RTC_LOG(LS_INFO) << "Add remote ssrc: " << it->first_ssrc(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 657 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame^] | 658 | rtc::StringBuilder desc; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 659 | desc << "Failed to add remote stream ssrc: " << it->first_ssrc(); |
| 660 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 661 | ret = false; |
| 662 | } |
| 663 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 664 | // Update the receiving SSRCs. |
| 665 | demuxer_criteria_.ssrcs.insert(it->ssrcs.begin(), it->ssrcs.end()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 666 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 667 | // Re-register the sink to update the receiving ssrcs. |
| 668 | RegisterRtpDemuxerSink(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 669 | remote_streams_ = streams; |
| 670 | return ret; |
| 671 | } |
| 672 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 673 | RtpHeaderExtensions BaseChannel::GetFilteredRtpHeaderExtensions( |
| 674 | const RtpHeaderExtensions& extensions) { |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 675 | RTC_DCHECK(rtp_transport_); |
| 676 | if (crypto_options_.enable_encrypted_rtp_header_extensions) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 677 | RtpHeaderExtensions filtered; |
| 678 | auto pred = [](const webrtc::RtpExtension& extension) { |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 679 | return !extension.encrypt; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 680 | }; |
| 681 | std::copy_if(extensions.begin(), extensions.end(), |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 682 | std::back_inserter(filtered), pred); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 683 | return filtered; |
| 684 | } |
| 685 | |
| 686 | return webrtc::RtpExtension::FilterDuplicateNonEncrypted(extensions); |
| 687 | } |
| 688 | |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 689 | void BaseChannel::OnMessage(rtc::Message* pmsg) { |
Peter Boström | 6f28cf0 | 2015-12-07 23:17:15 +0100 | [diff] [blame] | 690 | TRACE_EVENT0("webrtc", "BaseChannel::OnMessage"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 691 | switch (pmsg->message_id) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 692 | case MSG_SEND_RTP_PACKET: |
| 693 | case MSG_SEND_RTCP_PACKET: { |
| 694 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 695 | SendPacketMessageData* data = |
| 696 | static_cast<SendPacketMessageData*>(pmsg->pdata); |
| 697 | bool rtcp = pmsg->message_id == MSG_SEND_RTCP_PACKET; |
| 698 | SendPacket(rtcp, &data->packet, data->options); |
| 699 | delete data; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 700 | break; |
| 701 | } |
| 702 | case MSG_FIRSTPACKETRECEIVED: { |
| 703 | SignalFirstPacketReceived(this); |
| 704 | break; |
| 705 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 706 | } |
| 707 | } |
| 708 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 709 | void BaseChannel::AddHandledPayloadType(int payload_type) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 710 | demuxer_criteria_.payload_types.insert(static_cast<uint8_t>(payload_type)); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 711 | } |
| 712 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 713 | void BaseChannel::FlushRtcpMessages_n() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 714 | // Flush all remaining RTCP messages. This should only be called in |
| 715 | // destructor. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 716 | RTC_DCHECK(network_thread_->IsCurrent()); |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 717 | rtc::MessageList rtcp_messages; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 718 | network_thread_->Clear(this, MSG_SEND_RTCP_PACKET, &rtcp_messages); |
| 719 | for (const auto& message : rtcp_messages) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 720 | network_thread_->Send(RTC_FROM_HERE, this, MSG_SEND_RTCP_PACKET, |
| 721 | message.pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 722 | } |
| 723 | } |
| 724 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 725 | void BaseChannel::SignalSentPacket_n(const rtc::SentPacket& sent_packet) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 726 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 727 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 728 | RTC_FROM_HERE, worker_thread_, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 729 | rtc::Bind(&BaseChannel::SignalSentPacket_w, this, sent_packet)); |
| 730 | } |
| 731 | |
| 732 | void BaseChannel::SignalSentPacket_w(const rtc::SentPacket& sent_packet) { |
| 733 | RTC_DCHECK(worker_thread_->IsCurrent()); |
| 734 | SignalSentPacket(sent_packet); |
| 735 | } |
| 736 | |
| 737 | VoiceChannel::VoiceChannel(rtc::Thread* worker_thread, |
| 738 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 739 | rtc::Thread* signaling_thread, |
Niels Möller | f120cba | 2018-01-30 09:33:03 +0100 | [diff] [blame] | 740 | // TODO(nisse): Delete unused argument. |
| 741 | MediaEngineInterface* /* media_engine */, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 742 | std::unique_ptr<VoiceMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 743 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 744 | bool srtp_required, |
| 745 | rtc::CryptoOptions crypto_options) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 746 | : BaseChannel(worker_thread, |
| 747 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 748 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 749 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 750 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 751 | srtp_required, |
| 752 | crypto_options) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 753 | |
| 754 | VoiceChannel::~VoiceChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 755 | TRACE_EVENT0("webrtc", "VoiceChannel::~VoiceChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 756 | // this can't be done in the base class, since it calls a virtual |
| 757 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 758 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 759 | } |
| 760 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 761 | void BaseChannel::UpdateMediaSendRecvState() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 762 | RTC_DCHECK(network_thread_->IsCurrent()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 763 | invoker_.AsyncInvoke<void>( |
| 764 | RTC_FROM_HERE, worker_thread_, |
| 765 | Bind(&BaseChannel::UpdateMediaSendRecvState_w, this)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 766 | } |
| 767 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 768 | void VoiceChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 769 | // Render incoming data if we're the active call, and we have the local |
| 770 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 771 | bool recv = IsReadyToReceiveMedia_w(); |
solenberg | 5b14b42 | 2015-10-01 04:10:31 -0700 | [diff] [blame] | 772 | media_channel()->SetPlayout(recv); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 773 | |
| 774 | // Send outgoing data if we're the active call, we have the remote content, |
| 775 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 776 | bool send = IsReadyToSendMedia_w(); |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 777 | media_channel()->SetSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 778 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 779 | RTC_LOG(LS_INFO) << "Changing voice state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 780 | } |
| 781 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 782 | bool VoiceChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 783 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 784 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 785 | TRACE_EVENT0("webrtc", "VoiceChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 786 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 787 | RTC_LOG(LS_INFO) << "Setting local voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 788 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 789 | RTC_DCHECK(content); |
| 790 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 791 | SafeSetError("Can't find audio content in local description.", error_desc); |
| 792 | return false; |
| 793 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 794 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 795 | const AudioContentDescription* audio = content->as_audio(); |
| 796 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 797 | RtpHeaderExtensions rtp_header_extensions = |
| 798 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 799 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 800 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 801 | AudioRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 802 | RtpParametersFromMediaDescription(audio, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 803 | if (!media_channel()->SetRecvParameters(recv_params)) { |
Peter Thatcher | bfab5cb | 2015-08-20 17:40:24 -0700 | [diff] [blame] | 804 | SafeSetError("Failed to set local audio description recv parameters.", |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 805 | error_desc); |
| 806 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 807 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 808 | for (const AudioCodec& codec : audio->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 809 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 810 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 811 | // Need to re-register the sink to update the handled payload. |
| 812 | if (!RegisterRtpDemuxerSink()) { |
| 813 | RTC_LOG(LS_ERROR) << "Failed to set up audio demuxing."; |
| 814 | return false; |
| 815 | } |
| 816 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 817 | last_recv_params_ = recv_params; |
| 818 | |
| 819 | // TODO(pthatcher): Move local streams into AudioSendParameters, and |
| 820 | // only give it to the media channel once we have a remote |
| 821 | // description too (without a remote description, we won't be able |
| 822 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 823 | if (!UpdateLocalStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 824 | SafeSetError("Failed to set local audio description streams.", error_desc); |
| 825 | return false; |
| 826 | } |
| 827 | |
| 828 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 829 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 830 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | bool VoiceChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 834 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 835 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 836 | TRACE_EVENT0("webrtc", "VoiceChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 837 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 838 | RTC_LOG(LS_INFO) << "Setting remote voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 839 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 840 | RTC_DCHECK(content); |
| 841 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 842 | SafeSetError("Can't find audio content in remote description.", error_desc); |
| 843 | return false; |
| 844 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 845 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 846 | const AudioContentDescription* audio = content->as_audio(); |
| 847 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 848 | RtpHeaderExtensions rtp_header_extensions = |
| 849 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
| 850 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 851 | AudioSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 852 | RtpSendParametersFromMediaDescription(audio, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 853 | &send_params); |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 854 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 855 | |
| 856 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 857 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 858 | SafeSetError("Failed to set remote audio description send parameters.", |
| 859 | error_desc); |
| 860 | return false; |
| 861 | } |
| 862 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 863 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 864 | // TODO(pthatcher): Move remote streams into AudioRecvParameters, |
| 865 | // and only give it to the media channel once we have a local |
| 866 | // description too (without a local description, we won't be able to |
| 867 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 868 | if (!UpdateRemoteStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 869 | SafeSetError("Failed to set remote audio description streams.", error_desc); |
| 870 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 871 | } |
| 872 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 873 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 874 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 875 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 876 | } |
| 877 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 878 | VideoChannel::VideoChannel(rtc::Thread* worker_thread, |
| 879 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 880 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 881 | std::unique_ptr<VideoMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 882 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 883 | bool srtp_required, |
| 884 | rtc::CryptoOptions crypto_options) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 885 | : BaseChannel(worker_thread, |
| 886 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 887 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 888 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 889 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 890 | srtp_required, |
| 891 | crypto_options) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 892 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 893 | VideoChannel::~VideoChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 894 | TRACE_EVENT0("webrtc", "VideoChannel::~VideoChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 895 | // this can't be done in the base class, since it calls a virtual |
| 896 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 897 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 898 | } |
| 899 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 900 | void VideoChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 901 | // Send outgoing data if we're the active call, we have the remote content, |
| 902 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 903 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 904 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 905 | RTC_LOG(LS_ERROR) << "Failed to SetSend on video channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 906 | // TODO(gangji): Report error back to server. |
| 907 | } |
| 908 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 909 | RTC_LOG(LS_INFO) << "Changing video state, send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 910 | } |
| 911 | |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 912 | void VideoChannel::FillBitrateInfo(BandwidthEstimationInfo* bwe_info) { |
| 913 | InvokeOnWorker<void>(RTC_FROM_HERE, Bind(&VideoMediaChannel::FillBitrateInfo, |
| 914 | media_channel(), bwe_info)); |
| 915 | } |
| 916 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 917 | bool VideoChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 918 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 919 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 920 | TRACE_EVENT0("webrtc", "VideoChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 921 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 922 | RTC_LOG(LS_INFO) << "Setting local video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 923 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 924 | RTC_DCHECK(content); |
| 925 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 926 | SafeSetError("Can't find video content in local description.", error_desc); |
| 927 | return false; |
| 928 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 929 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 930 | const VideoContentDescription* video = content->as_video(); |
| 931 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 932 | RtpHeaderExtensions rtp_header_extensions = |
| 933 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 934 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 935 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 936 | VideoRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 937 | RtpParametersFromMediaDescription(video, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 938 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 939 | SafeSetError("Failed to set local video description recv parameters.", |
| 940 | error_desc); |
| 941 | return false; |
| 942 | } |
| 943 | for (const VideoCodec& codec : video->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 944 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 945 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 946 | // Need to re-register the sink to update the handled payload. |
| 947 | if (!RegisterRtpDemuxerSink()) { |
| 948 | RTC_LOG(LS_ERROR) << "Failed to set up video demuxing."; |
| 949 | return false; |
| 950 | } |
| 951 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 952 | last_recv_params_ = recv_params; |
| 953 | |
| 954 | // TODO(pthatcher): Move local streams into VideoSendParameters, and |
| 955 | // only give it to the media channel once we have a remote |
| 956 | // description too (without a remote description, we won't be able |
| 957 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 958 | if (!UpdateLocalStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 959 | SafeSetError("Failed to set local video description streams.", error_desc); |
| 960 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 961 | } |
| 962 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 963 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 964 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 965 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 966 | } |
| 967 | |
| 968 | bool VideoChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 969 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 970 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 971 | TRACE_EVENT0("webrtc", "VideoChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 972 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 973 | RTC_LOG(LS_INFO) << "Setting remote video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 974 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 975 | RTC_DCHECK(content); |
| 976 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 977 | SafeSetError("Can't find video content in remote description.", error_desc); |
| 978 | return false; |
| 979 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 980 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 981 | const VideoContentDescription* video = content->as_video(); |
| 982 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 983 | RtpHeaderExtensions rtp_header_extensions = |
| 984 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
| 985 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 986 | VideoSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 987 | RtpSendParametersFromMediaDescription(video, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 988 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 989 | if (video->conference_mode()) { |
nisse | 4b4dc86 | 2016-02-17 05:25:36 -0800 | [diff] [blame] | 990 | send_params.conference_mode = true; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 991 | } |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 992 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 993 | |
| 994 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 995 | |
| 996 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 997 | SafeSetError("Failed to set remote video description send parameters.", |
| 998 | error_desc); |
| 999 | return false; |
| 1000 | } |
| 1001 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1002 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1003 | // TODO(pthatcher): Move remote streams into VideoRecvParameters, |
| 1004 | // and only give it to the media channel once we have a local |
| 1005 | // description too (without a local description, we won't be able to |
| 1006 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1007 | if (!UpdateRemoteStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1008 | SafeSetError("Failed to set remote video description streams.", error_desc); |
| 1009 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1010 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1011 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1012 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1013 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1014 | } |
| 1015 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1016 | RtpDataChannel::RtpDataChannel(rtc::Thread* worker_thread, |
| 1017 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1018 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1019 | std::unique_ptr<DataMediaChannel> media_channel, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1020 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 1021 | bool srtp_required, |
| 1022 | rtc::CryptoOptions crypto_options) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1023 | : BaseChannel(worker_thread, |
| 1024 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1025 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1026 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 1027 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 1028 | srtp_required, |
| 1029 | crypto_options) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1030 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1031 | RtpDataChannel::~RtpDataChannel() { |
| 1032 | TRACE_EVENT0("webrtc", "RtpDataChannel::~RtpDataChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1033 | // this can't be done in the base class, since it calls a virtual |
| 1034 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 1035 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1036 | } |
| 1037 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 1038 | void RtpDataChannel::Init_w(webrtc::RtpTransportInternal* rtp_transport) { |
| 1039 | BaseChannel::Init_w(rtp_transport); |
| 1040 | media_channel()->SignalDataReceived.connect(this, |
| 1041 | &RtpDataChannel::OnDataReceived); |
| 1042 | media_channel()->SignalReadyToSend.connect( |
| 1043 | this, &RtpDataChannel::OnDataChannelReadyToSend); |
| 1044 | } |
| 1045 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1046 | bool RtpDataChannel::SendData(const SendDataParams& params, |
| 1047 | const rtc::CopyOnWriteBuffer& payload, |
| 1048 | SendDataResult* result) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1049 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1050 | RTC_FROM_HERE, Bind(&DataMediaChannel::SendData, media_channel(), params, |
| 1051 | payload, result)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1052 | } |
| 1053 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1054 | bool RtpDataChannel::CheckDataChannelTypeFromContent( |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1055 | const DataContentDescription* content, |
| 1056 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1057 | bool is_sctp = ((content->protocol() == kMediaProtocolSctp) || |
| 1058 | (content->protocol() == kMediaProtocolDtlsSctp)); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1059 | // It's been set before, but doesn't match. That's bad. |
| 1060 | if (is_sctp) { |
| 1061 | SafeSetError("Data channel type mismatch. Expected RTP, got SCTP.", |
| 1062 | error_desc); |
| 1063 | return false; |
| 1064 | } |
| 1065 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1066 | } |
| 1067 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1068 | bool RtpDataChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1069 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1070 | std::string* error_desc) { |
| 1071 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1072 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1073 | RTC_LOG(LS_INFO) << "Setting local data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1074 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1075 | RTC_DCHECK(content); |
| 1076 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1077 | SafeSetError("Can't find data content in local description.", error_desc); |
| 1078 | return false; |
| 1079 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1080 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1081 | const DataContentDescription* data = content->as_data(); |
| 1082 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1083 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1084 | return false; |
| 1085 | } |
| 1086 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1087 | RtpHeaderExtensions rtp_header_extensions = |
| 1088 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1089 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1090 | DataRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1091 | RtpParametersFromMediaDescription(data, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1092 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1093 | SafeSetError("Failed to set remote data description recv parameters.", |
| 1094 | error_desc); |
| 1095 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1096 | } |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1097 | for (const DataCodec& codec : data->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1098 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1099 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 1100 | // Need to re-register the sink to update the handled payload. |
| 1101 | if (!RegisterRtpDemuxerSink()) { |
| 1102 | RTC_LOG(LS_ERROR) << "Failed to set up data demuxing."; |
| 1103 | return false; |
| 1104 | } |
| 1105 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1106 | last_recv_params_ = recv_params; |
| 1107 | |
| 1108 | // TODO(pthatcher): Move local streams into DataSendParameters, and |
| 1109 | // only give it to the media channel once we have a remote |
| 1110 | // description too (without a remote description, we won't be able |
| 1111 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1112 | if (!UpdateLocalStreams_w(data->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1113 | SafeSetError("Failed to set local data description streams.", error_desc); |
| 1114 | return false; |
| 1115 | } |
| 1116 | |
| 1117 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1118 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1119 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1120 | } |
| 1121 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1122 | bool RtpDataChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1123 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1124 | std::string* error_desc) { |
| 1125 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1126 | RTC_DCHECK_RUN_ON(worker_thread()); |
| 1127 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1128 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1129 | RTC_DCHECK(content); |
| 1130 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1131 | SafeSetError("Can't find data content in remote description.", error_desc); |
| 1132 | return false; |
| 1133 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1134 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1135 | const DataContentDescription* data = content->as_data(); |
| 1136 | |
Zhi Huang | 801b868 | 2017-11-15 11:36:43 -0800 | [diff] [blame] | 1137 | // If the remote data doesn't have codecs, it must be empty, so ignore it. |
| 1138 | if (!data->has_codecs()) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1139 | return true; |
| 1140 | } |
| 1141 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1142 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1143 | return false; |
| 1144 | } |
| 1145 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1146 | RtpHeaderExtensions rtp_header_extensions = |
| 1147 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1148 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1149 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1150 | DataSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1151 | RtpSendParametersFromMediaDescription<DataCodec>(data, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1152 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1153 | if (!media_channel()->SetSendParameters(send_params)) { |
| 1154 | SafeSetError("Failed to set remote data description send parameters.", |
| 1155 | error_desc); |
| 1156 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1157 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1158 | last_send_params_ = send_params; |
| 1159 | |
| 1160 | // TODO(pthatcher): Move remote streams into DataRecvParameters, |
| 1161 | // and only give it to the media channel once we have a local |
| 1162 | // description too (without a local description, we won't be able to |
| 1163 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1164 | if (!UpdateRemoteStreams_w(data->streams(), type, error_desc)) { |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1165 | SafeSetError("Failed to set remote data description streams.", error_desc); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1166 | return false; |
| 1167 | } |
| 1168 | |
| 1169 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1170 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1171 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1172 | } |
| 1173 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1174 | void RtpDataChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1175 | // Render incoming data if we're the active call, and we have the local |
| 1176 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1177 | bool recv = IsReadyToReceiveMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1178 | if (!media_channel()->SetReceive(recv)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1179 | RTC_LOG(LS_ERROR) << "Failed to SetReceive on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | // Send outgoing data if we're the active call, we have the remote content, |
| 1183 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1184 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1185 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1186 | RTC_LOG(LS_ERROR) << "Failed to SetSend on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1187 | } |
| 1188 | |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 1189 | // Trigger SignalReadyToSendData asynchronously. |
| 1190 | OnDataChannelReadyToSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1191 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1192 | RTC_LOG(LS_INFO) << "Changing data state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1193 | } |
| 1194 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1195 | void RtpDataChannel::OnMessage(rtc::Message* pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1196 | switch (pmsg->message_id) { |
| 1197 | case MSG_READYTOSENDDATA: { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1198 | DataChannelReadyToSendMessageData* data = |
| 1199 | static_cast<DataChannelReadyToSendMessageData*>(pmsg->pdata); |
wu@webrtc.org | 07a6fbe | 2013-11-04 18:41:34 +0000 | [diff] [blame] | 1200 | ready_to_send_data_ = data->data(); |
| 1201 | SignalReadyToSendData(ready_to_send_data_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1202 | delete data; |
| 1203 | break; |
| 1204 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1205 | case MSG_DATARECEIVED: { |
| 1206 | DataReceivedMessageData* data = |
| 1207 | static_cast<DataReceivedMessageData*>(pmsg->pdata); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1208 | SignalDataReceived(data->params, data->payload); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1209 | delete data; |
| 1210 | break; |
| 1211 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1212 | default: |
| 1213 | BaseChannel::OnMessage(pmsg); |
| 1214 | break; |
| 1215 | } |
| 1216 | } |
| 1217 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1218 | void RtpDataChannel::OnDataReceived(const ReceiveDataParams& params, |
| 1219 | const char* data, |
| 1220 | size_t len) { |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1221 | DataReceivedMessageData* msg = new DataReceivedMessageData(params, data, len); |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1222 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_DATARECEIVED, msg); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1223 | } |
| 1224 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1225 | void RtpDataChannel::OnDataChannelReadyToSend(bool writable) { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1226 | // This is usded for congestion control to indicate that the stream is ready |
| 1227 | // to send by the MediaChannel, as opposed to OnReadyToSend, which indicates |
| 1228 | // that the transport channel is ready. |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1229 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_READYTOSENDDATA, |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1230 | new DataChannelReadyToSendMessageData(writable)); |
| 1231 | } |
| 1232 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1233 | } // namespace cricket |