henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1 | /* |
kjellander | 65c7f67 | 2016-02-12 08:05:01 | [diff] [blame] | 2 | * Copyright 2004 The WebRTC project authors. All Rights Reserved. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 3 | * |
kjellander | 65c7f67 | 2016-02-12 08:05:01 | [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 | [diff] [blame] | 9 | */ |
| 10 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 11 | #include <iterator> |
kwiberg | 0eb15ed | 2015-12-17 11:04:15 | [diff] [blame] | 12 | #include <utility> |
| 13 | |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 14 | #include "pc/channel.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 15 | |
Steve Anton | 64b626b | 2019-01-29 01:25:26 | [diff] [blame] | 16 | #include "absl/algorithm/container.h" |
Karl Wiberg | 918f50c | 2018-07-05 09:40:33 | [diff] [blame] | 17 | #include "absl/memory/memory.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 18 | #include "api/call/audio_sink.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 19 | #include "media/base/media_constants.h" |
| 20 | #include "media/base/rtp_utils.h" |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 21 | #include "modules/rtp_rtcp/source/rtp_packet_received.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 22 | #include "rtc_base/bind.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 23 | #include "rtc_base/byte_order.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 24 | #include "rtc_base/checks.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 25 | #include "rtc_base/copy_on_write_buffer.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 26 | #include "rtc_base/dscp.h" |
| 27 | #include "rtc_base/logging.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 28 | #include "rtc_base/network_route.h" |
Jonas Olsson | 366a50c | 2018-09-06 11:41:30 | [diff] [blame] | 29 | #include "rtc_base/strings/string_builder.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 30 | #include "rtc_base/trace_event.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 31 | #include "p2p/base/packet_transport_internal.h" |
| 32 | #include "pc/channel_manager.h" |
| 33 | #include "pc/rtp_media_utils.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 34 | |
| 35 | namespace cricket { |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 | [diff] [blame] | 36 | using rtc::Bind; |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 37 | using rtc::UniqueRandomIdGenerator; |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 38 | using webrtc::SdpType; |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 | [diff] [blame] | 39 | |
deadbeef | 2d110be | 2016-01-13 20:00:26 | [diff] [blame] | 40 | namespace { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 41 | |
| 42 | struct SendPacketMessageData : public rtc::MessageData { |
| 43 | rtc::CopyOnWriteBuffer packet; |
| 44 | rtc::PacketOptions options; |
| 45 | }; |
| 46 | |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 47 | // Finds a stream based on target's Primary SSRC or RIDs. |
| 48 | // This struct is used in BaseChannel::UpdateLocalStreams_w. |
| 49 | struct StreamFinder { |
| 50 | explicit StreamFinder(const StreamParams* target) : target_(target) { |
| 51 | RTC_DCHECK(target); |
| 52 | } |
| 53 | |
| 54 | bool operator()(const StreamParams& sp) const { |
| 55 | if (target_->has_ssrcs() && sp.has_ssrcs()) { |
| 56 | return sp.has_ssrc(target_->first_ssrc()); |
| 57 | } |
| 58 | |
| 59 | if (!target_->has_rids() && !sp.has_rids()) { |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | const std::vector<RidDescription>& target_rids = target_->rids(); |
| 64 | const std::vector<RidDescription>& source_rids = sp.rids(); |
| 65 | if (source_rids.size() != target_rids.size()) { |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | // Check that all RIDs match. |
| 70 | return std::equal(source_rids.begin(), source_rids.end(), |
| 71 | target_rids.begin(), |
| 72 | [](const RidDescription& lhs, const RidDescription& rhs) { |
| 73 | return lhs.rid == rhs.rid; |
| 74 | }); |
| 75 | } |
| 76 | |
| 77 | const StreamParams* target_; |
| 78 | }; |
| 79 | |
deadbeef | 2d110be | 2016-01-13 20:00:26 | [diff] [blame] | 80 | } // namespace |
| 81 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 82 | enum { |
Steve Anton | 0807d15 | 2018-03-05 19:23:09 | [diff] [blame] | 83 | MSG_SEND_RTP_PACKET = 1, |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 84 | MSG_SEND_RTCP_PACKET, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 85 | MSG_READYTOSENDDATA, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 86 | MSG_DATARECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 87 | MSG_FIRSTPACKETRECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 88 | }; |
| 89 | |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 90 | static void SafeSetError(const std::string& message, std::string* error_desc) { |
| 91 | if (error_desc) { |
| 92 | *error_desc = message; |
| 93 | } |
| 94 | } |
| 95 | |
jbauch | eec21bd | 2016-03-20 13:15:43 | [diff] [blame] | 96 | static bool ValidPacket(bool rtcp, const rtc::CopyOnWriteBuffer* packet) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 97 | // Check the packet size. We could check the header too if needed. |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 98 | return packet && IsValidRtpRtcpPacketSize(rtcp, packet->size()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 99 | } |
| 100 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 101 | template <class Codec> |
| 102 | void RtpParametersFromMediaDescription( |
| 103 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 104 | const RtpHeaderExtensions& extensions, |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 105 | RtpParameters<Codec>* params) { |
| 106 | // TODO(pthatcher): Remove this once we're sure no one will give us |
Zhi Huang | 801b868 | 2017-11-15 19:36:43 | [diff] [blame] | 107 | // a description without codecs. Currently the ORTC implementation is relying |
| 108 | // on this. |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 109 | if (desc->has_codecs()) { |
| 110 | params->codecs = desc->codecs(); |
| 111 | } |
| 112 | // TODO(pthatcher): See if we really need |
| 113 | // rtp_header_extensions_set() and remove it if we don't. |
| 114 | if (desc->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 115 | params->extensions = extensions; |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 116 | } |
deadbeef | 1387149 | 2015-12-09 20:37:51 | [diff] [blame] | 117 | params->rtcp.reduced_size = desc->rtcp_reduced_size(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 118 | } |
| 119 | |
nisse | 0510331 | 2016-03-16 09:22:50 | [diff] [blame] | 120 | template <class Codec> |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 121 | void RtpSendParametersFromMediaDescription( |
| 122 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 123 | const RtpHeaderExtensions& extensions, |
nisse | 0510331 | 2016-03-16 09:22:50 | [diff] [blame] | 124 | RtpSendParameters<Codec>* send_params) { |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 125 | RtpParametersFromMediaDescription(desc, extensions, send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 126 | send_params->max_bandwidth_bps = desc->bandwidth(); |
Johannes Kron | 9190b82 | 2018-10-29 10:22:05 | [diff] [blame] | 127 | send_params->extmap_allow_mixed = desc->extmap_allow_mixed(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 128 | } |
| 129 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 130 | BaseChannel::BaseChannel(rtc::Thread* worker_thread, |
| 131 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 132 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 133 | std::unique_ptr<MediaChannel> media_channel, |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 134 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 135 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 136 | webrtc::CryptoOptions crypto_options, |
| 137 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 138 | : worker_thread_(worker_thread), |
| 139 | network_thread_(network_thread), |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 140 | signaling_thread_(signaling_thread), |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 141 | content_name_(content_name), |
deadbeef | 7af91dd | 2016-12-13 19:29:11 | [diff] [blame] | 142 | srtp_required_(srtp_required), |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 143 | crypto_options_(crypto_options), |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 144 | media_channel_(std::move(media_channel)), |
| 145 | ssrc_generator_(ssrc_generator) { |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 146 | RTC_DCHECK_RUN_ON(worker_thread_); |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 147 | RTC_DCHECK(ssrc_generator_); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 148 | demuxer_criteria_.mid = content_name; |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 149 | RTC_LOG(LS_INFO) << "Created channel for " << content_name; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | BaseChannel::~BaseChannel() { |
Peter Boström | ca8b404 | 2016-03-08 22:24:13 | [diff] [blame] | 153 | TRACE_EVENT0("webrtc", "BaseChannel::~BaseChannel"); |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 154 | RTC_DCHECK_RUN_ON(worker_thread_); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 155 | |
| 156 | if (media_transport_) { |
Niels Möller | fe6e50f | 2019-02-05 16:32:57 | [diff] [blame] | 157 | media_transport_->RemoveNetworkChangeCallback(this); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 158 | } |
| 159 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 160 | // Eats any outstanding messages or packets. |
| 161 | worker_thread_->Clear(&invoker_); |
| 162 | worker_thread_->Clear(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 163 | // We must destroy the media channel before the transport channel, otherwise |
| 164 | // the media channel may try to send on the dead transport channel. NULLing |
| 165 | // is not an effective strategy since the sends will come on another thread. |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 166 | media_channel_.reset(); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 167 | RTC_LOG(LS_INFO) << "Destroyed channel: " << content_name_; |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 168 | } |
| 169 | |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 170 | bool BaseChannel::ConnectToRtpTransport() { |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 171 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 172 | if (!RegisterRtpDemuxerSink()) { |
| 173 | return false; |
| 174 | } |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 175 | rtp_transport_->SignalReadyToSend.connect( |
| 176 | this, &BaseChannel::OnTransportReadyToSend); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 177 | rtp_transport_->SignalRtcpPacketReceived.connect( |
| 178 | this, &BaseChannel::OnRtcpPacketReceived); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 179 | |
| 180 | // If media transport is used, it's responsible for providing network |
| 181 | // route changed callbacks. |
| 182 | if (!media_transport_) { |
| 183 | rtp_transport_->SignalNetworkRouteChanged.connect( |
| 184 | this, &BaseChannel::OnNetworkRouteChanged); |
| 185 | } |
| 186 | // TODO(bugs.webrtc.org/9719): Media transport should also be used to provide |
| 187 | // 'writable' state here. |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 188 | rtp_transport_->SignalWritableState.connect(this, |
| 189 | &BaseChannel::OnWritableState); |
| 190 | rtp_transport_->SignalSentPacket.connect(this, |
| 191 | &BaseChannel::SignalSentPacket_n); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 192 | return true; |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 193 | } |
Danil Chapovalov | dae07ba | 2016-05-13 23:43:50 | [diff] [blame] | 194 | |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 195 | void BaseChannel::DisconnectFromRtpTransport() { |
| 196 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 197 | rtp_transport_->UnregisterRtpDemuxerSink(this); |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 198 | rtp_transport_->SignalReadyToSend.disconnect(this); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 199 | rtp_transport_->SignalRtcpPacketReceived.disconnect(this); |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 200 | rtp_transport_->SignalNetworkRouteChanged.disconnect(this); |
| 201 | rtp_transport_->SignalWritableState.disconnect(this); |
| 202 | rtp_transport_->SignalSentPacket.disconnect(this); |
Danil Chapovalov | dae07ba | 2016-05-13 23:43:50 | [diff] [blame] | 203 | } |
| 204 | |
Anton Sukhanov | 98a462c | 2018-10-17 20:15:42 | [diff] [blame] | 205 | void BaseChannel::Init_w(webrtc::RtpTransportInternal* rtp_transport, |
| 206 | webrtc::MediaTransportInterface* media_transport) { |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 207 | RTC_DCHECK_RUN_ON(worker_thread_); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 208 | media_transport_ = media_transport; |
| 209 | |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 210 | network_thread_->Invoke<void>( |
| 211 | RTC_FROM_HERE, [this, rtp_transport] { SetRtpTransport(rtp_transport); }); |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 212 | |
| 213 | // Both RTP and RTCP channels should be set, we can call SetInterface on |
| 214 | // the media channel and it can set network options. |
Anton Sukhanov | 98a462c | 2018-10-17 20:15:42 | [diff] [blame] | 215 | media_channel_->SetInterface(this, media_transport); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 216 | |
| 217 | RTC_LOG(LS_INFO) << "BaseChannel::Init_w, media_transport=" |
| 218 | << (media_transport_ != nullptr); |
| 219 | if (media_transport_) { |
Niels Möller | fe6e50f | 2019-02-05 16:32:57 | [diff] [blame] | 220 | media_transport_->AddNetworkChangeCallback(this); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 221 | } |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 222 | } |
| 223 | |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 | [diff] [blame] | 224 | void BaseChannel::Deinit() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 225 | RTC_DCHECK(worker_thread_->IsCurrent()); |
Anton Sukhanov | 98a462c | 2018-10-17 20:15:42 | [diff] [blame] | 226 | media_channel_->SetInterface(/*iface=*/nullptr, |
| 227 | /*media_transport=*/nullptr); |
Danil Chapovalov | dae07ba | 2016-05-13 23:43:50 | [diff] [blame] | 228 | // Packets arrive on the network thread, processing packets calls virtual |
| 229 | // functions, so need to stop this process in Deinit that is called in |
| 230 | // derived classes destructor. |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 231 | network_thread_->Invoke<void>(RTC_FROM_HERE, [&] { |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 | [diff] [blame] | 232 | FlushRtcpMessages_n(); |
Zhi Huang | 27f3bf5 | 2018-03-27 04:37:23 | [diff] [blame] | 233 | |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 234 | if (rtp_transport_) { |
| 235 | DisconnectFromRtpTransport(); |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 | [diff] [blame] | 236 | } |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 237 | // Clear pending read packets/messages. |
| 238 | network_thread_->Clear(&invoker_); |
| 239 | network_thread_->Clear(this); |
| 240 | }); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 | [diff] [blame] | 241 | } |
| 242 | |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 243 | bool BaseChannel::SetRtpTransport(webrtc::RtpTransportInternal* rtp_transport) { |
| 244 | if (rtp_transport == rtp_transport_) { |
| 245 | return true; |
| 246 | } |
| 247 | |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 248 | if (!network_thread_->IsCurrent()) { |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 249 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this, rtp_transport] { |
| 250 | return SetRtpTransport(rtp_transport); |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 251 | }); |
| 252 | } |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 | [diff] [blame] | 253 | |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 254 | if (rtp_transport_) { |
| 255 | DisconnectFromRtpTransport(); |
| 256 | } |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 257 | |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 258 | rtp_transport_ = rtp_transport; |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 259 | if (rtp_transport_) { |
| 260 | RTC_DCHECK(rtp_transport_->rtp_packet_transport()); |
| 261 | transport_name_ = rtp_transport_->rtp_packet_transport()->transport_name(); |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 262 | |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 263 | if (!ConnectToRtpTransport()) { |
| 264 | RTC_LOG(LS_ERROR) << "Failed to connect to the new RtpTransport."; |
| 265 | return false; |
| 266 | } |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 267 | OnTransportReadyToSend(rtp_transport_->IsReadyToSend()); |
| 268 | UpdateWritableState_n(); |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 269 | |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 270 | // Set the cached socket options. |
| 271 | for (const auto& pair : socket_options_) { |
| 272 | rtp_transport_->rtp_packet_transport()->SetOption(pair.first, |
| 273 | pair.second); |
| 274 | } |
| 275 | if (rtp_transport_->rtcp_packet_transport()) { |
| 276 | for (const auto& pair : rtcp_socket_options_) { |
| 277 | rtp_transport_->rtp_packet_transport()->SetOption(pair.first, |
| 278 | pair.second); |
| 279 | } |
| 280 | } |
guoweis | 4638331 | 2015-12-18 00:45:59 | [diff] [blame] | 281 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 282 | return true; |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 | [diff] [blame] | 283 | } |
| 284 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 285 | bool BaseChannel::Enable(bool enable) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 286 | worker_thread_->Invoke<void>( |
| 287 | RTC_FROM_HERE, |
| 288 | Bind(enable ? &BaseChannel::EnableMedia_w : &BaseChannel::DisableMedia_w, |
| 289 | this)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 290 | return true; |
| 291 | } |
| 292 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 293 | bool BaseChannel::SetLocalContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 294 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 295 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 296 | TRACE_EVENT0("webrtc", "BaseChannel::SetLocalContent"); |
stefan | f79ade1 | 2017-06-02 13:44:03 | [diff] [blame] | 297 | return InvokeOnWorker<bool>( |
| 298 | RTC_FROM_HERE, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 299 | Bind(&BaseChannel::SetLocalContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | bool BaseChannel::SetRemoteContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 303 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 304 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 305 | TRACE_EVENT0("webrtc", "BaseChannel::SetRemoteContent"); |
stefan | f79ade1 | 2017-06-02 13:44:03 | [diff] [blame] | 306 | return InvokeOnWorker<bool>( |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 307 | RTC_FROM_HERE, |
| 308 | Bind(&BaseChannel::SetRemoteContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 309 | } |
| 310 | |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 311 | bool BaseChannel::IsReadyToReceiveMedia_w() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 312 | // Receive data if we are enabled and have local content, |
Steve Anton | 4e70a72 | 2017-11-28 22:57:10 | [diff] [blame] | 313 | return enabled() && |
| 314 | webrtc::RtpTransceiverDirectionHasRecv(local_content_direction_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 315 | } |
| 316 | |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 317 | bool BaseChannel::IsReadyToSendMedia_w() const { |
| 318 | // Need to access some state updated on the network thread. |
| 319 | return network_thread_->Invoke<bool>( |
| 320 | RTC_FROM_HERE, Bind(&BaseChannel::IsReadyToSendMedia_n, this)); |
| 321 | } |
| 322 | |
| 323 | bool BaseChannel::IsReadyToSendMedia_n() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 324 | // Send outgoing data if we are enabled, have local and remote content, |
| 325 | // and we have had some form of connectivity. |
Steve Anton | 4e70a72 | 2017-11-28 22:57:10 | [diff] [blame] | 326 | return enabled() && |
| 327 | webrtc::RtpTransceiverDirectionHasRecv(remote_content_direction_) && |
| 328 | webrtc::RtpTransceiverDirectionHasSend(local_content_direction_) && |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 329 | was_ever_writable(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 330 | } |
| 331 | |
jbauch | eec21bd | 2016-03-20 13:15:43 | [diff] [blame] | 332 | bool BaseChannel::SendPacket(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 333 | const rtc::PacketOptions& options) { |
| 334 | return SendPacket(false, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 335 | } |
| 336 | |
jbauch | eec21bd | 2016-03-20 13:15:43 | [diff] [blame] | 337 | bool BaseChannel::SendRtcp(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 338 | const rtc::PacketOptions& options) { |
| 339 | return SendPacket(true, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 340 | } |
| 341 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 342 | int BaseChannel::SetOption(SocketType type, |
| 343 | rtc::Socket::Option opt, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 344 | int value) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 345 | return network_thread_->Invoke<int>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 346 | RTC_FROM_HERE, Bind(&BaseChannel::SetOption_n, this, type, opt, value)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | int BaseChannel::SetOption_n(SocketType type, |
| 350 | rtc::Socket::Option opt, |
| 351 | int value) { |
| 352 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 353 | RTC_DCHECK(rtp_transport_); |
deadbeef | 5bd5ca3 | 2017-02-10 19:31:50 | [diff] [blame] | 354 | rtc::PacketTransportInternal* transport = nullptr; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 355 | switch (type) { |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 | [diff] [blame] | 356 | case ST_RTP: |
zstein | e8ab543 | 2017-07-12 18:48:11 | [diff] [blame] | 357 | transport = rtp_transport_->rtp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 358 | socket_options_.push_back( |
| 359 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 | [diff] [blame] | 360 | break; |
| 361 | case ST_RTCP: |
zstein | e8ab543 | 2017-07-12 18:48:11 | [diff] [blame] | 362 | transport = rtp_transport_->rtcp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 363 | rtcp_socket_options_.push_back( |
| 364 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 | [diff] [blame] | 365 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 366 | } |
deadbeef | f534659 | 2017-01-25 05:51:21 | [diff] [blame] | 367 | return transport ? transport->SetOption(opt, value) : -1; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 368 | } |
| 369 | |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 370 | void BaseChannel::OnWritableState(bool writable) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 371 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 372 | if (writable) { |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 373 | ChannelWritable_n(); |
| 374 | } else { |
| 375 | ChannelNotWritable_n(); |
Guo-wei Shieh | 1218d7a | 2015-12-05 17:59:56 | [diff] [blame] | 376 | } |
| 377 | } |
| 378 | |
Zhi Huang | 942bc2e | 2017-11-13 21:26:07 | [diff] [blame] | 379 | void BaseChannel::OnNetworkRouteChanged( |
Danil Chapovalov | 66cadcc | 2018-06-19 14:47:43 | [diff] [blame] | 380 | absl::optional<rtc::NetworkRoute> network_route) { |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 381 | RTC_LOG(LS_INFO) << "Network route was changed."; |
| 382 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 383 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | 942bc2e | 2017-11-13 21:26:07 | [diff] [blame] | 384 | rtc::NetworkRoute new_route; |
| 385 | if (network_route) { |
Zhi Huang | 942bc2e | 2017-11-13 21:26:07 | [diff] [blame] | 386 | new_route = *(network_route); |
Zhi Huang | 8c316c1 | 2017-11-13 21:13:45 | [diff] [blame] | 387 | } |
Zhi Huang | 942bc2e | 2017-11-13 21:26:07 | [diff] [blame] | 388 | // Note: When the RTCP-muxing is not enabled, RTCP transport and RTP transport |
| 389 | // use the same transport name and MediaChannel::OnNetworkRouteChanged cannot |
| 390 | // work correctly. Intentionally leave it broken to simplify the code and |
| 391 | // encourage the users to stop using non-muxing RTCP. |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 392 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, [=] { |
Zhi Huang | 942bc2e | 2017-11-13 21:26:07 | [diff] [blame] | 393 | media_channel_->OnNetworkRouteChanged(transport_name_, new_route); |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 394 | }); |
Honghai Zhang | cc411c0 | 2016-03-30 00:27:21 | [diff] [blame] | 395 | } |
| 396 | |
zstein | 56162b9 | 2017-04-24 23:54:35 | [diff] [blame] | 397 | void BaseChannel::OnTransportReadyToSend(bool ready) { |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 398 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 399 | [=] { media_channel_->OnReadyToSend(ready); }); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 400 | } |
| 401 | |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 402 | bool BaseChannel::SendPacket(bool rtcp, |
jbauch | eec21bd | 2016-03-20 13:15:43 | [diff] [blame] | 403 | rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 404 | const rtc::PacketOptions& options) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 405 | // SendPacket gets called from MediaEngine, on a pacer or an encoder thread. |
| 406 | // If the thread is not our network thread, we will post to our network |
| 407 | // so that the real work happens on our network. This avoids us having to |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 408 | // synchronize access to all the pieces of the send path, including |
| 409 | // SRTP and the inner workings of the transport channels. |
| 410 | // The only downside is that we can't return a proper failure code if |
| 411 | // needed. Since UDP is unreliable anyway, this should be a non-issue. |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 412 | if (!network_thread_->IsCurrent()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 413 | // Avoid a copy by transferring the ownership of the packet data. |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 414 | int message_id = rtcp ? MSG_SEND_RTCP_PACKET : MSG_SEND_RTP_PACKET; |
| 415 | SendPacketMessageData* data = new SendPacketMessageData; |
kwiberg | 0eb15ed | 2015-12-17 11:04:15 | [diff] [blame] | 416 | data->packet = std::move(*packet); |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 417 | data->options = options; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 418 | network_thread_->Post(RTC_FROM_HERE, this, message_id, data); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 419 | return true; |
| 420 | } |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 421 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 422 | TRACE_EVENT0("webrtc", "BaseChannel::SendPacket"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 423 | |
| 424 | // Now that we are on the correct thread, ensure we have a place to send this |
| 425 | // packet before doing anything. (We might get RTCP packets that we don't |
| 426 | // intend to send.) If we've negotiated RTCP mux, send RTCP over the RTP |
| 427 | // transport. |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 428 | if (!rtp_transport_ || !rtp_transport_->IsWritable(rtcp)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 429 | return false; |
| 430 | } |
| 431 | |
| 432 | // Protect ourselves against crazy data. |
| 433 | if (!ValidPacket(rtcp, packet)) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 434 | RTC_LOG(LS_ERROR) << "Dropping outgoing " << content_name_ << " " |
| 435 | << RtpRtcpStringLiteral(rtcp) |
| 436 | << " packet: wrong size=" << packet->size(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 437 | return false; |
| 438 | } |
| 439 | |
Zhi Huang | cf990f5 | 2017-09-22 19:12:30 | [diff] [blame] | 440 | if (!srtp_active()) { |
| 441 | if (srtp_required_) { |
| 442 | // The audio/video engines may attempt to send RTCP packets as soon as the |
| 443 | // streams are created, so don't treat this as an error for RTCP. |
| 444 | // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=6809 |
| 445 | if (rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 446 | return false; |
| 447 | } |
Zhi Huang | cf990f5 | 2017-09-22 19:12:30 | [diff] [blame] | 448 | // However, there shouldn't be any RTP packets sent before SRTP is set up |
| 449 | // (and SetSend(true) is called). |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 450 | RTC_LOG(LS_ERROR) |
| 451 | << "Can't send outgoing RTP packet when SRTP is inactive" |
| 452 | << " and crypto is required"; |
Zhi Huang | cf990f5 | 2017-09-22 19:12:30 | [diff] [blame] | 453 | RTC_NOTREACHED(); |
deadbeef | 8f425f9 | 2016-12-01 20:26:27 | [diff] [blame] | 454 | return false; |
| 455 | } |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 456 | |
| 457 | std::string packet_type = rtcp ? "RTCP" : "RTP"; |
| 458 | RTC_LOG(LS_WARNING) << "Sending an " << packet_type |
| 459 | << " packet without encryption."; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 460 | } |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 461 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 462 | // Bon voyage. |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 463 | return rtcp ? rtp_transport_->SendRtcpPacket(packet, options, PF_SRTP_BYPASS) |
| 464 | : rtp_transport_->SendRtpPacket(packet, options, PF_SRTP_BYPASS); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 465 | } |
| 466 | |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 467 | void BaseChannel::OnRtpPacket(const webrtc::RtpPacketReceived& parsed_packet) { |
Niels Möller | 29e13fd | 2018-12-17 11:35:30 | [diff] [blame] | 468 | // Take packet time from the |parsed_packet|. |
| 469 | // RtpPacketReceived.arrival_time_ms = (timestamp_us + 500) / 1000; |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 470 | int64_t timestamp_us = -1; |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 471 | if (parsed_packet.arrival_time_ms() > 0) { |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 472 | timestamp_us = parsed_packet.arrival_time_ms() * 1000; |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 473 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 474 | |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 475 | OnPacketReceived(/*rtcp=*/false, parsed_packet.Buffer(), timestamp_us); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | void BaseChannel::UpdateRtpHeaderExtensionMap( |
| 479 | const RtpHeaderExtensions& header_extensions) { |
| 480 | RTC_DCHECK(rtp_transport_); |
| 481 | // Update the header extension map on network thread in case there is data |
| 482 | // race. |
| 483 | // TODO(zhihuang): Add an rtc::ThreadChecker make sure to RtpTransport won't |
| 484 | // be accessed from different threads. |
| 485 | // |
| 486 | // NOTE: This doesn't take the BUNDLE case in account meaning the RTP header |
| 487 | // extension maps are not merged when BUNDLE is enabled. This is fine because |
| 488 | // the ID for MID should be consistent among all the RTP transports. |
| 489 | network_thread_->Invoke<void>(RTC_FROM_HERE, [this, &header_extensions] { |
| 490 | rtp_transport_->UpdateRtpHeaderExtensionMap(header_extensions); |
| 491 | }); |
| 492 | } |
| 493 | |
| 494 | bool BaseChannel::RegisterRtpDemuxerSink() { |
| 495 | RTC_DCHECK(rtp_transport_); |
| 496 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this] { |
| 497 | return rtp_transport_->RegisterRtpDemuxerSink(demuxer_criteria_, this); |
| 498 | }); |
| 499 | } |
| 500 | |
| 501 | void BaseChannel::OnRtcpPacketReceived(rtc::CopyOnWriteBuffer* packet, |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 502 | int64_t packet_time_us) { |
| 503 | OnPacketReceived(/*rtcp=*/true, *packet, packet_time_us); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 504 | } |
| 505 | |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 506 | void BaseChannel::OnPacketReceived(bool rtcp, |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 507 | const rtc::CopyOnWriteBuffer& packet, |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 508 | int64_t packet_time_us) { |
honghaiz@google.com | a67ca1a | 2015-01-28 19:48:33 | [diff] [blame] | 509 | if (!has_received_packet_ && !rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 510 | has_received_packet_ = true; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 511 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_FIRSTPACKETRECEIVED); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 512 | } |
| 513 | |
Zhi Huang | cf990f5 | 2017-09-22 19:12:30 | [diff] [blame] | 514 | if (!srtp_active() && srtp_required_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 515 | // Our session description indicates that SRTP is required, but we got a |
| 516 | // packet before our SRTP filter is active. This means either that |
| 517 | // a) we got SRTP packets before we received the SDES keys, in which case |
| 518 | // we can't decrypt it anyway, or |
| 519 | // b) we got SRTP packets before DTLS completed on both the RTP and RTCP |
zhihuang | b2cdd93 | 2017-01-20 00:54:25 | [diff] [blame] | 520 | // transports, so we haven't yet extracted keys, even if DTLS did |
| 521 | // complete on the transport that the packets are being sent on. It's |
| 522 | // really good practice to wait for both RTP and RTCP to be good to go |
| 523 | // before sending media, to prevent weird failure modes, so it's fine |
| 524 | // for us to just eat packets here. This is all sidestepped if RTCP mux |
| 525 | // is used anyway. |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 526 | RTC_LOG(LS_WARNING) |
| 527 | << "Can't process incoming " << RtpRtcpStringLiteral(rtcp) |
| 528 | << " packet when SRTP is inactive and crypto is required"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 529 | return; |
| 530 | } |
| 531 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 532 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 533 | RTC_FROM_HERE, worker_thread_, |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 534 | Bind(&BaseChannel::ProcessPacket, this, rtcp, packet, packet_time_us)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 535 | } |
| 536 | |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 537 | void BaseChannel::ProcessPacket(bool rtcp, |
| 538 | const rtc::CopyOnWriteBuffer& packet, |
Niels Möller | e693381 | 2018-11-05 12:01:41 | [diff] [blame] | 539 | int64_t packet_time_us) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 540 | RTC_DCHECK(worker_thread_->IsCurrent()); |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 541 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 542 | if (rtcp) { |
Amit Hilbuch | e7a5f7b | 2019-03-12 18:10:27 | [diff] [blame] | 543 | media_channel_->OnRtcpReceived(packet, packet_time_us); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 544 | } else { |
Amit Hilbuch | e7a5f7b | 2019-03-12 18:10:27 | [diff] [blame] | 545 | media_channel_->OnPacketReceived(packet, packet_time_us); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 546 | } |
| 547 | } |
| 548 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 549 | void BaseChannel::EnableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 550 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 551 | if (enabled_) |
| 552 | return; |
| 553 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 554 | RTC_LOG(LS_INFO) << "Channel enabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 555 | enabled_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 556 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 557 | } |
| 558 | |
| 559 | void BaseChannel::DisableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 560 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 561 | if (!enabled_) |
| 562 | return; |
| 563 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 564 | RTC_LOG(LS_INFO) << "Channel disabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 565 | enabled_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 566 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 567 | } |
| 568 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 569 | void BaseChannel::UpdateWritableState_n() { |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 570 | if (rtp_transport_->IsWritable(/*rtcp=*/true) && |
| 571 | rtp_transport_->IsWritable(/*rtcp=*/false)) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 572 | ChannelWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 573 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 574 | ChannelNotWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 575 | } |
| 576 | } |
| 577 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 578 | void BaseChannel::ChannelWritable_n() { |
| 579 | RTC_DCHECK(network_thread_->IsCurrent()); |
Guo-wei Shieh | 1218d7a | 2015-12-05 17:59:56 | [diff] [blame] | 580 | if (writable_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 581 | return; |
Guo-wei Shieh | 1218d7a | 2015-12-05 17:59:56 | [diff] [blame] | 582 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 583 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 584 | RTC_LOG(LS_INFO) << "Channel writable (" << content_name_ << ")" |
| 585 | << (was_ever_writable_ ? "" : " for the first time"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 586 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 587 | was_ever_writable_ = true; |
| 588 | writable_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 589 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 590 | } |
| 591 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 592 | void BaseChannel::ChannelNotWritable_n() { |
| 593 | RTC_DCHECK(network_thread_->IsCurrent()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 594 | if (!writable_) |
| 595 | return; |
| 596 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 597 | RTC_LOG(LS_INFO) << "Channel not writable (" << content_name_ << ")"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 598 | writable_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 599 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 600 | } |
| 601 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 602 | bool BaseChannel::AddRecvStream_w(const StreamParams& sp) { |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 603 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
pbos | 482b12e | 2015-11-16 18:19:58 | [diff] [blame] | 604 | return media_channel()->AddRecvStream(sp); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 605 | } |
| 606 | |
Peter Boström | 0c4e06b | 2015-10-07 10:23:21 | [diff] [blame] | 607 | bool BaseChannel::RemoveRecvStream_w(uint32_t ssrc) { |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 608 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 609 | return media_channel()->RemoveRecvStream(ssrc); |
| 610 | } |
| 611 | |
| 612 | bool BaseChannel::UpdateLocalStreams_w(const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 613 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 614 | std::string* error_desc) { |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 615 | // In the case of RIDs (where SSRCs are not negotiated), this method will |
| 616 | // generate an SSRC for each layer in StreamParams. That representation will |
| 617 | // be stored internally in |local_streams_|. |
| 618 | // In subsequent offers, the same stream can appear in |streams| again |
| 619 | // (without the SSRCs), so it should be looked up using RIDs (if available) |
| 620 | // and then by primary SSRC. |
| 621 | // In both scenarios, it is safe to assume that the media channel will be |
| 622 | // created with a StreamParams object with SSRCs. However, it is not safe to |
| 623 | // assume that |local_streams_| will always have SSRCs as there are scenarios |
| 624 | // in which niether SSRCs or RIDs are negotiated. |
| 625 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 626 | // Check for streams that have been removed. |
| 627 | bool ret = true; |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 628 | for (const StreamParams& old_stream : local_streams_) { |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 629 | if (!old_stream.has_ssrcs() || |
| 630 | GetStream(streams, StreamFinder(&old_stream))) { |
| 631 | continue; |
| 632 | } |
| 633 | if (!media_channel()->RemoveSendStream(old_stream.first_ssrc())) { |
| 634 | rtc::StringBuilder desc; |
| 635 | desc << "Failed to remove send stream with ssrc " |
| 636 | << old_stream.first_ssrc() << "."; |
| 637 | SafeSetError(desc.str(), error_desc); |
| 638 | ret = false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 639 | } |
| 640 | } |
| 641 | // Check for new streams. |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 642 | std::vector<StreamParams> all_streams; |
| 643 | for (const StreamParams& stream : streams) { |
| 644 | StreamParams* existing = GetStream(local_streams_, StreamFinder(&stream)); |
| 645 | if (existing) { |
| 646 | // Parameters cannot change for an existing stream. |
| 647 | all_streams.push_back(*existing); |
| 648 | continue; |
| 649 | } |
| 650 | |
| 651 | all_streams.push_back(stream); |
| 652 | StreamParams& new_stream = all_streams.back(); |
| 653 | |
| 654 | if (!new_stream.has_ssrcs() && !new_stream.has_rids()) { |
| 655 | continue; |
| 656 | } |
| 657 | |
| 658 | RTC_DCHECK(new_stream.has_ssrcs() || new_stream.has_rids()); |
| 659 | if (new_stream.has_ssrcs() && new_stream.has_rids()) { |
| 660 | rtc::StringBuilder desc; |
| 661 | desc << "Failed to add send stream: " << new_stream.first_ssrc() |
| 662 | << ". Stream has both SSRCs and RIDs."; |
| 663 | SafeSetError(desc.str(), error_desc); |
| 664 | ret = false; |
| 665 | continue; |
| 666 | } |
| 667 | |
| 668 | // At this point we use the legacy simulcast group in StreamParams to |
| 669 | // indicate that we want multiple layers to the media channel. |
| 670 | if (!new_stream.has_ssrcs()) { |
| 671 | // TODO(bugs.webrtc.org/10250): Indicate if flex is desired here. |
| 672 | new_stream.GenerateSsrcs(new_stream.rids().size(), /* rtx = */ true, |
| 673 | /* flex_fec = */ false, ssrc_generator_); |
| 674 | } |
| 675 | |
| 676 | if (media_channel()->AddSendStream(new_stream)) { |
| 677 | RTC_LOG(LS_INFO) << "Add send stream ssrc: " << new_stream.ssrcs[0]; |
| 678 | } else { |
| 679 | rtc::StringBuilder desc; |
| 680 | desc << "Failed to add send stream ssrc: " << new_stream.first_ssrc(); |
| 681 | SafeSetError(desc.str(), error_desc); |
| 682 | ret = false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 683 | } |
| 684 | } |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 685 | local_streams_ = all_streams; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 686 | return ret; |
| 687 | } |
| 688 | |
| 689 | bool BaseChannel::UpdateRemoteStreams_w( |
| 690 | const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 691 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 692 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 693 | // Check for streams that have been removed. |
| 694 | bool ret = true; |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 695 | for (const StreamParams& old_stream : remote_streams_) { |
Seth Hampson | 5897a6e | 2018-04-03 18:16:33 | [diff] [blame] | 696 | // If we no longer have an unsignaled stream, we would like to remove |
| 697 | // the unsignaled stream params that are cached. |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 698 | if ((!old_stream.has_ssrcs() && !HasStreamWithNoSsrcs(streams)) || |
| 699 | !GetStreamBySsrc(streams, old_stream.first_ssrc())) { |
| 700 | if (RemoveRecvStream_w(old_stream.first_ssrc())) { |
| 701 | RTC_LOG(LS_INFO) << "Remove remote ssrc: " << old_stream.first_ssrc(); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 702 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 11:41:30 | [diff] [blame] | 703 | rtc::StringBuilder desc; |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 704 | desc << "Failed to remove remote stream with ssrc " |
| 705 | << old_stream.first_ssrc() << "."; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 706 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 707 | ret = false; |
| 708 | } |
| 709 | } |
| 710 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 711 | demuxer_criteria_.ssrcs.clear(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 712 | // Check for new streams. |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 713 | for (const StreamParams& new_stream : streams) { |
Seth Hampson | 5897a6e | 2018-04-03 18:16:33 | [diff] [blame] | 714 | // We allow a StreamParams with an empty list of SSRCs, in which case the |
| 715 | // MediaChannel will cache the parameters and use them for any unsignaled |
| 716 | // stream received later. |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 717 | if ((!new_stream.has_ssrcs() && !HasStreamWithNoSsrcs(remote_streams_)) || |
| 718 | !GetStreamBySsrc(remote_streams_, new_stream.first_ssrc())) { |
| 719 | if (AddRecvStream_w(new_stream)) { |
| 720 | RTC_LOG(LS_INFO) << "Add remote ssrc: " << new_stream.first_ssrc(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 721 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 11:41:30 | [diff] [blame] | 722 | rtc::StringBuilder desc; |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 723 | desc << "Failed to add remote stream ssrc: " << new_stream.first_ssrc(); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 724 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 725 | ret = false; |
| 726 | } |
| 727 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 728 | // Update the receiving SSRCs. |
Steve Anton | 5f8b5fd | 2018-12-28 00:58:10 | [diff] [blame] | 729 | demuxer_criteria_.ssrcs.insert(new_stream.ssrcs.begin(), |
| 730 | new_stream.ssrcs.end()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 731 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 732 | // Re-register the sink to update the receiving ssrcs. |
| 733 | RegisterRtpDemuxerSink(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 734 | remote_streams_ = streams; |
| 735 | return ret; |
| 736 | } |
| 737 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 738 | RtpHeaderExtensions BaseChannel::GetFilteredRtpHeaderExtensions( |
| 739 | const RtpHeaderExtensions& extensions) { |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 740 | RTC_DCHECK(rtp_transport_); |
Benjamin Wright | a54daf1 | 2018-10-11 22:33:17 | [diff] [blame] | 741 | if (crypto_options_.srtp.enable_encrypted_rtp_header_extensions) { |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 742 | RtpHeaderExtensions filtered; |
Steve Anton | 64b626b | 2019-01-29 01:25:26 | [diff] [blame] | 743 | absl::c_copy_if(extensions, std::back_inserter(filtered), |
| 744 | [](const webrtc::RtpExtension& extension) { |
| 745 | return !extension.encrypt; |
| 746 | }); |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 747 | return filtered; |
| 748 | } |
| 749 | |
| 750 | return webrtc::RtpExtension::FilterDuplicateNonEncrypted(extensions); |
| 751 | } |
| 752 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 753 | void BaseChannel::OnMessage(rtc::Message* pmsg) { |
Peter Boström | 6f28cf0 | 2015-12-07 22:17:15 | [diff] [blame] | 754 | TRACE_EVENT0("webrtc", "BaseChannel::OnMessage"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 755 | switch (pmsg->message_id) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 756 | case MSG_SEND_RTP_PACKET: |
| 757 | case MSG_SEND_RTCP_PACKET: { |
| 758 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 759 | SendPacketMessageData* data = |
| 760 | static_cast<SendPacketMessageData*>(pmsg->pdata); |
| 761 | bool rtcp = pmsg->message_id == MSG_SEND_RTCP_PACKET; |
| 762 | SendPacket(rtcp, &data->packet, data->options); |
| 763 | delete data; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 764 | break; |
| 765 | } |
| 766 | case MSG_FIRSTPACKETRECEIVED: { |
Amit Hilbuch | dd9390c | 2018-11-14 00:26:05 | [diff] [blame] | 767 | SignalFirstPacketReceived_(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 768 | break; |
| 769 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 770 | } |
| 771 | } |
| 772 | |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 773 | void BaseChannel::AddHandledPayloadType(int payload_type) { |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 774 | demuxer_criteria_.payload_types.insert(static_cast<uint8_t>(payload_type)); |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 775 | } |
| 776 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 777 | void BaseChannel::FlushRtcpMessages_n() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 778 | // Flush all remaining RTCP messages. This should only be called in |
| 779 | // destructor. |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 780 | RTC_DCHECK(network_thread_->IsCurrent()); |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 | [diff] [blame] | 781 | rtc::MessageList rtcp_messages; |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 782 | network_thread_->Clear(this, MSG_SEND_RTCP_PACKET, &rtcp_messages); |
| 783 | for (const auto& message : rtcp_messages) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 784 | network_thread_->Send(RTC_FROM_HERE, this, MSG_SEND_RTCP_PACKET, |
| 785 | message.pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 786 | } |
| 787 | } |
| 788 | |
Zhi Huang | cd3fc5d | 2017-11-29 18:41:57 | [diff] [blame] | 789 | void BaseChannel::SignalSentPacket_n(const rtc::SentPacket& sent_packet) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 790 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 791 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 792 | RTC_FROM_HERE, worker_thread_, |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 793 | rtc::Bind(&BaseChannel::SignalSentPacket_w, this, sent_packet)); |
| 794 | } |
| 795 | |
| 796 | void BaseChannel::SignalSentPacket_w(const rtc::SentPacket& sent_packet) { |
| 797 | RTC_DCHECK(worker_thread_->IsCurrent()); |
| 798 | SignalSentPacket(sent_packet); |
| 799 | } |
| 800 | |
| 801 | VoiceChannel::VoiceChannel(rtc::Thread* worker_thread, |
| 802 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 803 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 804 | std::unique_ptr<VoiceMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 805 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 806 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 807 | webrtc::CryptoOptions crypto_options, |
| 808 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 809 | : BaseChannel(worker_thread, |
| 810 | network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 811 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 812 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 813 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 814 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 815 | crypto_options, |
| 816 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 817 | |
| 818 | VoiceChannel::~VoiceChannel() { |
Piotr (Peter) Slatala | 309aafe | 2019-01-15 22:24:34 | [diff] [blame] | 819 | if (media_transport()) { |
| 820 | media_transport()->SetFirstAudioPacketReceivedObserver(nullptr); |
| 821 | } |
Peter Boström | ca8b404 | 2016-03-08 22:24:13 | [diff] [blame] | 822 | TRACE_EVENT0("webrtc", "VoiceChannel::~VoiceChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 823 | // this can't be done in the base class, since it calls a virtual |
| 824 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 20:17:42 | [diff] [blame] | 825 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 826 | } |
| 827 | |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 828 | void BaseChannel::UpdateMediaSendRecvState() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 829 | RTC_DCHECK(network_thread_->IsCurrent()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 830 | invoker_.AsyncInvoke<void>( |
| 831 | RTC_FROM_HERE, worker_thread_, |
| 832 | Bind(&BaseChannel::UpdateMediaSendRecvState_w, this)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 833 | } |
| 834 | |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 17:57:58 | [diff] [blame] | 835 | void BaseChannel::OnNetworkRouteChanged( |
| 836 | const rtc::NetworkRoute& network_route) { |
| 837 | OnNetworkRouteChanged(absl::make_optional(network_route)); |
| 838 | } |
| 839 | |
Piotr (Peter) Slatala | 309aafe | 2019-01-15 22:24:34 | [diff] [blame] | 840 | void VoiceChannel::Init_w(webrtc::RtpTransportInternal* rtp_transport, |
| 841 | webrtc::MediaTransportInterface* media_transport) { |
| 842 | BaseChannel::Init_w(rtp_transport, media_transport); |
| 843 | if (BaseChannel::media_transport()) { |
| 844 | this->media_transport()->SetFirstAudioPacketReceivedObserver(this); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | void VoiceChannel::OnFirstAudioPacketReceived(int64_t channel_id) { |
| 849 | has_received_packet_ = true; |
| 850 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_FIRSTPACKETRECEIVED); |
| 851 | } |
| 852 | |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 853 | void VoiceChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 854 | // Render incoming data if we're the active call, and we have the local |
| 855 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 856 | bool recv = IsReadyToReceiveMedia_w(); |
solenberg | 5b14b42 | 2015-10-01 11:10:31 | [diff] [blame] | 857 | media_channel()->SetPlayout(recv); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 858 | |
| 859 | // Send outgoing data if we're the active call, we have the remote content, |
| 860 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 861 | bool send = IsReadyToSendMedia_w(); |
Taylor Brandstetter | 1a018dc | 2016-03-08 20:37:39 | [diff] [blame] | 862 | media_channel()->SetSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 863 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 864 | RTC_LOG(LS_INFO) << "Changing voice state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 865 | } |
| 866 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 867 | bool VoiceChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 868 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 869 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 870 | TRACE_EVENT0("webrtc", "VoiceChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 871 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 872 | RTC_LOG(LS_INFO) << "Setting local voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 873 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 874 | RTC_DCHECK(content); |
| 875 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 876 | SafeSetError("Can't find audio content in local description.", error_desc); |
| 877 | return false; |
| 878 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 879 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 880 | const AudioContentDescription* audio = content->as_audio(); |
| 881 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 882 | RtpHeaderExtensions rtp_header_extensions = |
| 883 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 884 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
Johannes Kron | 9190b82 | 2018-10-29 10:22:05 | [diff] [blame] | 885 | media_channel()->SetExtmapAllowMixed(audio->extmap_allow_mixed()); |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 886 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 887 | AudioRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 888 | RtpParametersFromMediaDescription(audio, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 889 | if (!media_channel()->SetRecvParameters(recv_params)) { |
Peter Thatcher | bfab5cb | 2015-08-21 00:40:24 | [diff] [blame] | 890 | SafeSetError("Failed to set local audio description recv parameters.", |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 891 | error_desc); |
| 892 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 893 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 894 | for (const AudioCodec& codec : audio->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 895 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 896 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 897 | // Need to re-register the sink to update the handled payload. |
| 898 | if (!RegisterRtpDemuxerSink()) { |
| 899 | RTC_LOG(LS_ERROR) << "Failed to set up audio demuxing."; |
| 900 | return false; |
| 901 | } |
| 902 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 903 | last_recv_params_ = recv_params; |
| 904 | |
| 905 | // TODO(pthatcher): Move local streams into AudioSendParameters, and |
| 906 | // only give it to the media channel once we have a remote |
| 907 | // description too (without a remote description, we won't be able |
| 908 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 909 | if (!UpdateLocalStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 910 | SafeSetError("Failed to set local audio description streams.", error_desc); |
| 911 | return false; |
| 912 | } |
| 913 | |
| 914 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 915 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 916 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | bool VoiceChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 920 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 921 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 922 | TRACE_EVENT0("webrtc", "VoiceChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 923 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 924 | RTC_LOG(LS_INFO) << "Setting remote voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 925 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 926 | RTC_DCHECK(content); |
| 927 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 928 | SafeSetError("Can't find audio content in remote description.", error_desc); |
| 929 | return false; |
| 930 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 931 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 932 | const AudioContentDescription* audio = content->as_audio(); |
| 933 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 934 | RtpHeaderExtensions rtp_header_extensions = |
| 935 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
| 936 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 937 | AudioSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 938 | RtpSendParametersFromMediaDescription(audio, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 939 | &send_params); |
Steve Anton | bb50ce5 | 2018-03-26 17:24:32 | [diff] [blame] | 940 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-17 02:07:43 | [diff] [blame] | 941 | |
| 942 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 943 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 944 | SafeSetError("Failed to set remote audio description send parameters.", |
| 945 | error_desc); |
| 946 | return false; |
| 947 | } |
| 948 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 949 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 950 | // TODO(pthatcher): Move remote streams into AudioRecvParameters, |
| 951 | // and only give it to the media channel once we have a local |
| 952 | // description too (without a local description, we won't be able to |
| 953 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 954 | if (!UpdateRemoteStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 955 | SafeSetError("Failed to set remote audio description streams.", error_desc); |
| 956 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 957 | } |
| 958 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 959 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 960 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 961 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 962 | } |
| 963 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 964 | VideoChannel::VideoChannel(rtc::Thread* worker_thread, |
| 965 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 966 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 967 | std::unique_ptr<VideoMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 968 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 969 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 970 | webrtc::CryptoOptions crypto_options, |
| 971 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 972 | : BaseChannel(worker_thread, |
| 973 | network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 974 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 975 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 976 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 977 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 978 | crypto_options, |
| 979 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 980 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 981 | VideoChannel::~VideoChannel() { |
Peter Boström | ca8b404 | 2016-03-08 22:24:13 | [diff] [blame] | 982 | TRACE_EVENT0("webrtc", "VideoChannel::~VideoChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 983 | // this can't be done in the base class, since it calls a virtual |
| 984 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 20:17:42 | [diff] [blame] | 985 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 986 | } |
| 987 | |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 988 | void VideoChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 989 | // Send outgoing data if we're the active call, we have the remote content, |
| 990 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 991 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 992 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 993 | RTC_LOG(LS_ERROR) << "Failed to SetSend on video channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 994 | // TODO(gangji): Report error back to server. |
| 995 | } |
| 996 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 997 | RTC_LOG(LS_INFO) << "Changing video state, send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 998 | } |
| 999 | |
stefan | f79ade1 | 2017-06-02 13:44:03 | [diff] [blame] | 1000 | void VideoChannel::FillBitrateInfo(BandwidthEstimationInfo* bwe_info) { |
| 1001 | InvokeOnWorker<void>(RTC_FROM_HERE, Bind(&VideoMediaChannel::FillBitrateInfo, |
| 1002 | media_channel(), bwe_info)); |
| 1003 | } |
| 1004 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1005 | bool VideoChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1006 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1007 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 1008 | TRACE_EVENT0("webrtc", "VideoChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1009 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1010 | RTC_LOG(LS_INFO) << "Setting local video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1011 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1012 | RTC_DCHECK(content); |
| 1013 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1014 | SafeSetError("Can't find video content in local description.", error_desc); |
| 1015 | return false; |
| 1016 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1017 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1018 | const VideoContentDescription* video = content->as_video(); |
| 1019 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1020 | RtpHeaderExtensions rtp_header_extensions = |
| 1021 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 1022 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
Johannes Kron | 9190b82 | 2018-10-29 10:22:05 | [diff] [blame] | 1023 | media_channel()->SetExtmapAllowMixed(video->extmap_allow_mixed()); |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1024 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1025 | VideoRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1026 | RtpParametersFromMediaDescription(video, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1027 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1028 | SafeSetError("Failed to set local video description recv parameters.", |
| 1029 | error_desc); |
| 1030 | return false; |
| 1031 | } |
| 1032 | for (const VideoCodec& codec : video->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 1033 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1034 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 1035 | // Need to re-register the sink to update the handled payload. |
| 1036 | if (!RegisterRtpDemuxerSink()) { |
| 1037 | RTC_LOG(LS_ERROR) << "Failed to set up video demuxing."; |
| 1038 | return false; |
| 1039 | } |
| 1040 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1041 | last_recv_params_ = recv_params; |
| 1042 | |
| 1043 | // TODO(pthatcher): Move local streams into VideoSendParameters, and |
| 1044 | // only give it to the media channel once we have a remote |
| 1045 | // description too (without a remote description, we won't be able |
| 1046 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1047 | if (!UpdateLocalStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1048 | SafeSetError("Failed to set local video description streams.", error_desc); |
| 1049 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1050 | } |
| 1051 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1052 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1053 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1054 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | bool VideoChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1058 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1059 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 12:25:57 | [diff] [blame] | 1060 | TRACE_EVENT0("webrtc", "VideoChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1061 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1062 | RTC_LOG(LS_INFO) << "Setting remote video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1063 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1064 | RTC_DCHECK(content); |
| 1065 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1066 | SafeSetError("Can't find video content in remote description.", error_desc); |
| 1067 | return false; |
| 1068 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1069 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1070 | const VideoContentDescription* video = content->as_video(); |
| 1071 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1072 | RtpHeaderExtensions rtp_header_extensions = |
| 1073 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
| 1074 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1075 | VideoSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1076 | RtpSendParametersFromMediaDescription(video, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 1077 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1078 | if (video->conference_mode()) { |
nisse | 4b4dc86 | 2016-02-17 13:25:36 | [diff] [blame] | 1079 | send_params.conference_mode = true; |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1080 | } |
Steve Anton | bb50ce5 | 2018-03-26 17:24:32 | [diff] [blame] | 1081 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-17 02:07:43 | [diff] [blame] | 1082 | |
| 1083 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 1084 | |
| 1085 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1086 | SafeSetError("Failed to set remote video description send parameters.", |
| 1087 | error_desc); |
| 1088 | return false; |
| 1089 | } |
| 1090 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1091 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1092 | // TODO(pthatcher): Move remote streams into VideoRecvParameters, |
| 1093 | // and only give it to the media channel once we have a local |
| 1094 | // description too (without a local description, we won't be able to |
| 1095 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1096 | if (!UpdateRemoteStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1097 | SafeSetError("Failed to set remote video description streams.", error_desc); |
| 1098 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1099 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1100 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1101 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1102 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1103 | } |
| 1104 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1105 | RtpDataChannel::RtpDataChannel(rtc::Thread* worker_thread, |
| 1106 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 1107 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 1108 | std::unique_ptr<DataMediaChannel> media_channel, |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1109 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 1110 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 1111 | webrtc::CryptoOptions crypto_options, |
| 1112 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 17:55:27 | [diff] [blame] | 1113 | : BaseChannel(worker_thread, |
| 1114 | network_thread, |
zhihuang | f5b251b | 2017-01-13 03:37:48 | [diff] [blame] | 1115 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 23:53:33 | [diff] [blame] | 1116 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 18:50:27 | [diff] [blame] | 1117 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 17:48:35 | [diff] [blame] | 1118 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-26 01:13:56 | [diff] [blame] | 1119 | crypto_options, |
| 1120 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1121 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1122 | RtpDataChannel::~RtpDataChannel() { |
| 1123 | TRACE_EVENT0("webrtc", "RtpDataChannel::~RtpDataChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1124 | // this can't be done in the base class, since it calls a virtual |
| 1125 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 20:17:42 | [diff] [blame] | 1126 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1127 | } |
| 1128 | |
Piotr (Peter) Slatala | 309aafe | 2019-01-15 22:24:34 | [diff] [blame] | 1129 | void RtpDataChannel::Init_w(webrtc::RtpTransportInternal* rtp_transport, |
| 1130 | webrtc::MediaTransportInterface* media_transport) { |
Anton Sukhanov | 98a462c | 2018-10-17 20:15:42 | [diff] [blame] | 1131 | BaseChannel::Init_w(rtp_transport, /*media_transport=*/nullptr); |
Zhi Huang | 2dfc42d | 2017-12-04 21:38:48 | [diff] [blame] | 1132 | media_channel()->SignalDataReceived.connect(this, |
| 1133 | &RtpDataChannel::OnDataReceived); |
| 1134 | media_channel()->SignalReadyToSend.connect( |
| 1135 | this, &RtpDataChannel::OnDataChannelReadyToSend); |
| 1136 | } |
| 1137 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1138 | bool RtpDataChannel::SendData(const SendDataParams& params, |
| 1139 | const rtc::CopyOnWriteBuffer& payload, |
| 1140 | SendDataResult* result) { |
stefan | f79ade1 | 2017-06-02 13:44:03 | [diff] [blame] | 1141 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 1142 | RTC_FROM_HERE, Bind(&DataMediaChannel::SendData, media_channel(), params, |
| 1143 | payload, result)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1144 | } |
| 1145 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1146 | bool RtpDataChannel::CheckDataChannelTypeFromContent( |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1147 | const DataContentDescription* content, |
| 1148 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1149 | bool is_sctp = ((content->protocol() == kMediaProtocolSctp) || |
| 1150 | (content->protocol() == kMediaProtocolDtlsSctp)); |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1151 | // It's been set before, but doesn't match. That's bad. |
| 1152 | if (is_sctp) { |
| 1153 | SafeSetError("Data channel type mismatch. Expected RTP, got SCTP.", |
| 1154 | error_desc); |
| 1155 | return false; |
| 1156 | } |
| 1157 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1158 | } |
| 1159 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1160 | bool RtpDataChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1161 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1162 | std::string* error_desc) { |
| 1163 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1164 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1165 | RTC_LOG(LS_INFO) << "Setting local data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1166 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1167 | RTC_DCHECK(content); |
| 1168 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1169 | SafeSetError("Can't find data content in local description.", error_desc); |
| 1170 | return false; |
| 1171 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1172 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1173 | const DataContentDescription* data = content->as_data(); |
| 1174 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1175 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1176 | return false; |
| 1177 | } |
| 1178 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1179 | RtpHeaderExtensions rtp_header_extensions = |
| 1180 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1181 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1182 | DataRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1183 | RtpParametersFromMediaDescription(data, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1184 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1185 | SafeSetError("Failed to set remote data description recv parameters.", |
| 1186 | error_desc); |
| 1187 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1188 | } |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1189 | for (const DataCodec& codec : data->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 20:22:42 | [diff] [blame] | 1190 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1191 | } |
Zhi Huang | 365381f | 2018-04-13 23:44:34 | [diff] [blame] | 1192 | // Need to re-register the sink to update the handled payload. |
| 1193 | if (!RegisterRtpDemuxerSink()) { |
| 1194 | RTC_LOG(LS_ERROR) << "Failed to set up data demuxing."; |
| 1195 | return false; |
| 1196 | } |
| 1197 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1198 | last_recv_params_ = recv_params; |
| 1199 | |
| 1200 | // TODO(pthatcher): Move local streams into DataSendParameters, and |
| 1201 | // only give it to the media channel once we have a remote |
| 1202 | // description too (without a remote description, we won't be able |
| 1203 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1204 | if (!UpdateLocalStreams_w(data->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1205 | SafeSetError("Failed to set local data description streams.", error_desc); |
| 1206 | return false; |
| 1207 | } |
| 1208 | |
| 1209 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1210 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1211 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1212 | } |
| 1213 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1214 | bool RtpDataChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1215 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1216 | std::string* error_desc) { |
| 1217 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1218 | RTC_DCHECK_RUN_ON(worker_thread()); |
| 1219 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1220 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1221 | RTC_DCHECK(content); |
| 1222 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 | [diff] [blame] | 1223 | SafeSetError("Can't find data content in remote description.", error_desc); |
| 1224 | return false; |
| 1225 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1226 | |
Steve Anton | b1c1de1 | 2017-12-21 23:14:30 | [diff] [blame] | 1227 | const DataContentDescription* data = content->as_data(); |
| 1228 | |
Zhi Huang | 801b868 | 2017-11-15 19:36:43 | [diff] [blame] | 1229 | // If the remote data doesn't have codecs, it must be empty, so ignore it. |
| 1230 | if (!data->has_codecs()) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1231 | return true; |
| 1232 | } |
| 1233 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1234 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1235 | return false; |
| 1236 | } |
| 1237 | |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1238 | RtpHeaderExtensions rtp_header_extensions = |
| 1239 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1240 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1241 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1242 | DataSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 19:31:36 | [diff] [blame] | 1243 | RtpSendParametersFromMediaDescription<DataCodec>(data, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 1244 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1245 | if (!media_channel()->SetSendParameters(send_params)) { |
| 1246 | SafeSetError("Failed to set remote data description send parameters.", |
| 1247 | error_desc); |
| 1248 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1249 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1250 | last_send_params_ = send_params; |
| 1251 | |
| 1252 | // TODO(pthatcher): Move remote streams into DataRecvParameters, |
| 1253 | // and only give it to the media channel once we have a local |
| 1254 | // description too (without a local description, we won't be able to |
| 1255 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 18:34:51 | [diff] [blame] | 1256 | if (!UpdateRemoteStreams_w(data->streams(), type, error_desc)) { |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 1257 | SafeSetError("Failed to set remote data description streams.", error_desc); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1258 | return false; |
| 1259 | } |
| 1260 | |
| 1261 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1262 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 23:05:34 | [diff] [blame] | 1263 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1264 | } |
| 1265 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1266 | void RtpDataChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1267 | // Render incoming data if we're the active call, and we have the local |
| 1268 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1269 | bool recv = IsReadyToReceiveMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1270 | if (!media_channel()->SetReceive(recv)) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1271 | RTC_LOG(LS_ERROR) << "Failed to SetReceive on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | // Send outgoing data if we're the active call, we have the remote content, |
| 1275 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 20:31:14 | [diff] [blame] | 1276 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1277 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1278 | RTC_LOG(LS_ERROR) << "Failed to SetSend on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1279 | } |
| 1280 | |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 | [diff] [blame] | 1281 | // Trigger SignalReadyToSendData asynchronously. |
| 1282 | OnDataChannelReadyToSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1283 | |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 1284 | RTC_LOG(LS_INFO) << "Changing data state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1285 | } |
| 1286 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1287 | void RtpDataChannel::OnMessage(rtc::Message* pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1288 | switch (pmsg->message_id) { |
| 1289 | case MSG_READYTOSENDDATA: { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 | [diff] [blame] | 1290 | DataChannelReadyToSendMessageData* data = |
| 1291 | static_cast<DataChannelReadyToSendMessageData*>(pmsg->pdata); |
wu@webrtc.org | 07a6fbe | 2013-11-04 18:41:34 | [diff] [blame] | 1292 | ready_to_send_data_ = data->data(); |
| 1293 | SignalReadyToSendData(ready_to_send_data_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1294 | delete data; |
| 1295 | break; |
| 1296 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1297 | case MSG_DATARECEIVED: { |
| 1298 | DataReceivedMessageData* data = |
| 1299 | static_cast<DataReceivedMessageData*>(pmsg->pdata); |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1300 | SignalDataReceived(data->params, data->payload); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1301 | delete data; |
| 1302 | break; |
| 1303 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1304 | default: |
| 1305 | BaseChannel::OnMessage(pmsg); |
| 1306 | break; |
| 1307 | } |
| 1308 | } |
| 1309 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1310 | void RtpDataChannel::OnDataReceived(const ReceiveDataParams& params, |
| 1311 | const char* data, |
| 1312 | size_t len) { |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 1313 | DataReceivedMessageData* msg = new DataReceivedMessageData(params, data, len); |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 1314 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_DATARECEIVED, msg); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1315 | } |
| 1316 | |
deadbeef | 953c2ce | 2017-01-09 22:53:41 | [diff] [blame] | 1317 | void RtpDataChannel::OnDataChannelReadyToSend(bool writable) { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 | [diff] [blame] | 1318 | // This is usded for congestion control to indicate that the stream is ready |
| 1319 | // to send by the MediaChannel, as opposed to OnReadyToSend, which indicates |
| 1320 | // that the transport channel is ready. |
Taylor Brandstetter | 5d97a9a | 2016-06-10 21:17:27 | [diff] [blame] | 1321 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_READYTOSENDDATA, |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 | [diff] [blame] | 1322 | new DataChannelReadyToSendMessageData(writable)); |
| 1323 | } |
| 1324 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 | [diff] [blame] | 1325 | } // namespace cricket |