henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 2 | * Copyright 2004 The WebRTC project authors. All Rights Reserved. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 3 | * |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 11 | #include "pc/channel.h" |
| 12 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 13 | #include <iterator> |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 14 | #include <utility> |
| 15 | |
Steve Anton | 64b626b | 2019-01-28 17:25:26 -0800 | [diff] [blame] | 16 | #include "absl/algorithm/container.h" |
Karl Wiberg | 918f50c | 2018-07-05 11:40:33 +0200 | [diff] [blame] | 17 | #include "absl/memory/memory.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 18 | #include "api/call/audio_sink.h" |
Niels Möller | 65f17ca | 2019-09-12 13:59:36 +0200 | [diff] [blame] | 19 | #include "api/transport/media/media_transport_config.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 20 | #include "media/base/media_constants.h" |
| 21 | #include "media/base/rtp_utils.h" |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 22 | #include "modules/rtp_rtcp/source/rtp_packet_received.h" |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 23 | #include "p2p/base/packet_transport_internal.h" |
| 24 | #include "pc/channel_manager.h" |
| 25 | #include "pc/rtp_media_utils.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 26 | #include "rtc_base/bind.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 27 | #include "rtc_base/byte_order.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 28 | #include "rtc_base/checks.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 29 | #include "rtc_base/copy_on_write_buffer.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 30 | #include "rtc_base/dscp.h" |
| 31 | #include "rtc_base/logging.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 32 | #include "rtc_base/network_route.h" |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame] | 33 | #include "rtc_base/strings/string_builder.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 34 | #include "rtc_base/trace_event.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 35 | |
| 36 | namespace cricket { |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 37 | using rtc::Bind; |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 38 | using rtc::UniqueRandomIdGenerator; |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 39 | using webrtc::SdpType; |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 40 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 41 | namespace { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 42 | |
| 43 | struct SendPacketMessageData : public rtc::MessageData { |
| 44 | rtc::CopyOnWriteBuffer packet; |
| 45 | rtc::PacketOptions options; |
| 46 | }; |
| 47 | |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 48 | // Finds a stream based on target's Primary SSRC or RIDs. |
| 49 | // This struct is used in BaseChannel::UpdateLocalStreams_w. |
| 50 | struct StreamFinder { |
| 51 | explicit StreamFinder(const StreamParams* target) : target_(target) { |
| 52 | RTC_DCHECK(target); |
| 53 | } |
| 54 | |
| 55 | bool operator()(const StreamParams& sp) const { |
| 56 | if (target_->has_ssrcs() && sp.has_ssrcs()) { |
| 57 | return sp.has_ssrc(target_->first_ssrc()); |
| 58 | } |
| 59 | |
| 60 | if (!target_->has_rids() && !sp.has_rids()) { |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | const std::vector<RidDescription>& target_rids = target_->rids(); |
| 65 | const std::vector<RidDescription>& source_rids = sp.rids(); |
| 66 | if (source_rids.size() != target_rids.size()) { |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | // Check that all RIDs match. |
| 71 | return std::equal(source_rids.begin(), source_rids.end(), |
| 72 | target_rids.begin(), |
| 73 | [](const RidDescription& lhs, const RidDescription& rhs) { |
| 74 | return lhs.rid == rhs.rid; |
| 75 | }); |
| 76 | } |
| 77 | |
| 78 | const StreamParams* target_; |
| 79 | }; |
| 80 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 81 | } // namespace |
| 82 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 83 | enum { |
Steve Anton | 0807d15 | 2018-03-05 11:23:09 -0800 | [diff] [blame] | 84 | MSG_SEND_RTP_PACKET = 1, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 85 | MSG_SEND_RTCP_PACKET, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 86 | MSG_READYTOSENDDATA, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 87 | MSG_DATARECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 88 | MSG_FIRSTPACKETRECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 89 | }; |
| 90 | |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 91 | static void SafeSetError(const std::string& message, std::string* error_desc) { |
| 92 | if (error_desc) { |
| 93 | *error_desc = message; |
| 94 | } |
| 95 | } |
| 96 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 97 | template <class Codec> |
| 98 | void RtpParametersFromMediaDescription( |
| 99 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 100 | const RtpHeaderExtensions& extensions, |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 101 | RtpParameters<Codec>* params) { |
| 102 | // TODO(pthatcher): Remove this once we're sure no one will give us |
Zhi Huang | 801b868 | 2017-11-15 11:36:43 -0800 | [diff] [blame] | 103 | // a description without codecs. Currently the ORTC implementation is relying |
| 104 | // on this. |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 105 | if (desc->has_codecs()) { |
Artem Titov | 6563934 | 2019-08-02 08:27:51 +0000 | [diff] [blame] | 106 | params->codecs = desc->codecs(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 107 | } |
| 108 | // TODO(pthatcher): See if we really need |
| 109 | // rtp_header_extensions_set() and remove it if we don't. |
| 110 | if (desc->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 111 | params->extensions = extensions; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 112 | } |
deadbeef | 1387149 | 2015-12-09 12:37:51 -0800 | [diff] [blame] | 113 | params->rtcp.reduced_size = desc->rtcp_reduced_size(); |
Sebastian Jansson | e1795f4 | 2019-07-24 11:38:03 +0200 | [diff] [blame] | 114 | params->rtcp.remote_estimate = desc->remote_estimate(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 115 | } |
| 116 | |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 117 | template <class Codec> |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 118 | void RtpSendParametersFromMediaDescription( |
| 119 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 120 | const RtpHeaderExtensions& extensions, |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 121 | RtpSendParameters<Codec>* send_params) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 122 | RtpParametersFromMediaDescription(desc, extensions, send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 123 | send_params->max_bandwidth_bps = desc->bandwidth(); |
Johannes Kron | 9190b82 | 2018-10-29 11:22:05 +0100 | [diff] [blame] | 124 | send_params->extmap_allow_mixed = desc->extmap_allow_mixed(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 125 | } |
| 126 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 127 | BaseChannel::BaseChannel(rtc::Thread* worker_thread, |
| 128 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 129 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 130 | std::unique_ptr<MediaChannel> media_channel, |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 131 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 132 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 133 | webrtc::CryptoOptions crypto_options, |
| 134 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 135 | : worker_thread_(worker_thread), |
| 136 | network_thread_(network_thread), |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 137 | signaling_thread_(signaling_thread), |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 138 | content_name_(content_name), |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 139 | srtp_required_(srtp_required), |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 140 | crypto_options_(crypto_options), |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 141 | media_channel_(std::move(media_channel)), |
| 142 | ssrc_generator_(ssrc_generator) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 143 | RTC_DCHECK_RUN_ON(worker_thread_); |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 144 | RTC_DCHECK(ssrc_generator_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 145 | demuxer_criteria_.mid = content_name; |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 146 | RTC_LOG(LS_INFO) << "Created channel for " << content_name; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | BaseChannel::~BaseChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 150 | TRACE_EVENT0("webrtc", "BaseChannel::~BaseChannel"); |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 151 | RTC_DCHECK_RUN_ON(worker_thread_); |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 09:57:58 -0800 | [diff] [blame] | 152 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 153 | // Eats any outstanding messages or packets. |
| 154 | worker_thread_->Clear(&invoker_); |
| 155 | worker_thread_->Clear(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 156 | // We must destroy the media channel before the transport channel, otherwise |
| 157 | // the media channel may try to send on the dead transport channel. NULLing |
| 158 | // is not an effective strategy since the sends will come on another thread. |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 159 | media_channel_.reset(); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 160 | RTC_LOG(LS_INFO) << "Destroyed channel: " << content_name_; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 161 | } |
| 162 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 163 | bool BaseChannel::ConnectToRtpTransport() { |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 164 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 165 | if (!RegisterRtpDemuxerSink()) { |
| 166 | return false; |
| 167 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 168 | rtp_transport_->SignalReadyToSend.connect( |
| 169 | this, &BaseChannel::OnTransportReadyToSend); |
Bjorn A Mellem | 7a9a092 | 2019-11-26 09:19:40 -0800 | [diff] [blame] | 170 | rtp_transport_->SignalNetworkRouteChanged.connect( |
| 171 | this, &BaseChannel::OnNetworkRouteChanged); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 172 | rtp_transport_->SignalWritableState.connect(this, |
| 173 | &BaseChannel::OnWritableState); |
| 174 | rtp_transport_->SignalSentPacket.connect(this, |
| 175 | &BaseChannel::SignalSentPacket_n); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 176 | return true; |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 177 | } |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 178 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 179 | void BaseChannel::DisconnectFromRtpTransport() { |
| 180 | RTC_DCHECK(rtp_transport_); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 181 | rtp_transport_->UnregisterRtpDemuxerSink(this); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 182 | rtp_transport_->SignalReadyToSend.disconnect(this); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 183 | rtp_transport_->SignalNetworkRouteChanged.disconnect(this); |
| 184 | rtp_transport_->SignalWritableState.disconnect(this); |
| 185 | rtp_transport_->SignalSentPacket.disconnect(this); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 186 | } |
| 187 | |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 188 | void BaseChannel::Init_w( |
| 189 | webrtc::RtpTransportInternal* rtp_transport, |
| 190 | const webrtc::MediaTransportConfig& media_transport_config) { |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 191 | RTC_DCHECK_RUN_ON(worker_thread_); |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 192 | media_transport_config_ = media_transport_config; |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 09:57:58 -0800 | [diff] [blame] | 193 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 194 | network_thread_->Invoke<void>( |
| 195 | RTC_FROM_HERE, [this, rtp_transport] { SetRtpTransport(rtp_transport); }); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 196 | |
| 197 | // Both RTP and RTCP channels should be set, we can call SetInterface on |
| 198 | // the media channel and it can set network options. |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 199 | media_channel_->SetInterface(this, media_transport_config); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 200 | } |
| 201 | |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 202 | void BaseChannel::Deinit() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 203 | RTC_DCHECK(worker_thread_->IsCurrent()); |
Anton Sukhanov | 98a462c | 2018-10-17 13:15:42 -0700 | [diff] [blame] | 204 | media_channel_->SetInterface(/*iface=*/nullptr, |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 205 | webrtc::MediaTransportConfig()); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 206 | // Packets arrive on the network thread, processing packets calls virtual |
| 207 | // functions, so need to stop this process in Deinit that is called in |
| 208 | // derived classes destructor. |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 209 | network_thread_->Invoke<void>(RTC_FROM_HERE, [&] { |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 210 | FlushRtcpMessages_n(); |
Zhi Huang | 27f3bf5 | 2018-03-26 21:37:23 -0700 | [diff] [blame] | 211 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 212 | if (rtp_transport_) { |
| 213 | DisconnectFromRtpTransport(); |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 214 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 215 | // Clear pending read packets/messages. |
| 216 | network_thread_->Clear(&invoker_); |
| 217 | network_thread_->Clear(this); |
| 218 | }); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 219 | } |
| 220 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 221 | bool BaseChannel::SetRtpTransport(webrtc::RtpTransportInternal* rtp_transport) { |
| 222 | if (rtp_transport == rtp_transport_) { |
| 223 | return true; |
| 224 | } |
| 225 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 226 | if (!network_thread_->IsCurrent()) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 227 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this, rtp_transport] { |
| 228 | return SetRtpTransport(rtp_transport); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 229 | }); |
| 230 | } |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 231 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 232 | if (rtp_transport_) { |
| 233 | DisconnectFromRtpTransport(); |
| 234 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 235 | |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 236 | rtp_transport_ = rtp_transport; |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 237 | if (rtp_transport_) { |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 238 | transport_name_ = rtp_transport_->transport_name(); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 239 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 240 | if (!ConnectToRtpTransport()) { |
| 241 | RTC_LOG(LS_ERROR) << "Failed to connect to the new RtpTransport."; |
| 242 | return false; |
| 243 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 244 | OnTransportReadyToSend(rtp_transport_->IsReadyToSend()); |
| 245 | UpdateWritableState_n(); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 246 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 247 | // Set the cached socket options. |
| 248 | for (const auto& pair : socket_options_) { |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 249 | rtp_transport_->SetRtpOption(pair.first, pair.second); |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 250 | } |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 251 | if (!rtp_transport_->rtcp_mux_enabled()) { |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 252 | for (const auto& pair : rtcp_socket_options_) { |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 253 | rtp_transport_->SetRtcpOption(pair.first, pair.second); |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 254 | } |
| 255 | } |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 256 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 257 | return true; |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 258 | } |
| 259 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 260 | bool BaseChannel::Enable(bool enable) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 261 | worker_thread_->Invoke<void>( |
| 262 | RTC_FROM_HERE, |
| 263 | Bind(enable ? &BaseChannel::EnableMedia_w : &BaseChannel::DisableMedia_w, |
| 264 | this)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 265 | return true; |
| 266 | } |
| 267 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 268 | bool BaseChannel::SetLocalContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 269 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 270 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 271 | TRACE_EVENT0("webrtc", "BaseChannel::SetLocalContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 272 | return InvokeOnWorker<bool>( |
| 273 | RTC_FROM_HERE, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 274 | Bind(&BaseChannel::SetLocalContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | bool BaseChannel::SetRemoteContent(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 278 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 279 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 280 | TRACE_EVENT0("webrtc", "BaseChannel::SetRemoteContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 281 | return InvokeOnWorker<bool>( |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 282 | RTC_FROM_HERE, |
| 283 | Bind(&BaseChannel::SetRemoteContent_w, this, content, type, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 284 | } |
| 285 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 286 | bool BaseChannel::IsReadyToReceiveMedia_w() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 287 | // Receive data if we are enabled and have local content, |
Steve Anton | 4e70a72 | 2017-11-28 14:57:10 -0800 | [diff] [blame] | 288 | return enabled() && |
| 289 | webrtc::RtpTransceiverDirectionHasRecv(local_content_direction_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 290 | } |
| 291 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 292 | bool BaseChannel::IsReadyToSendMedia_w() const { |
| 293 | // Need to access some state updated on the network thread. |
| 294 | return network_thread_->Invoke<bool>( |
| 295 | RTC_FROM_HERE, Bind(&BaseChannel::IsReadyToSendMedia_n, this)); |
| 296 | } |
| 297 | |
| 298 | bool BaseChannel::IsReadyToSendMedia_n() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 299 | // Send outgoing data if we are enabled, have local and remote content, |
| 300 | // and we have had some form of connectivity. |
Steve Anton | 4e70a72 | 2017-11-28 14:57:10 -0800 | [diff] [blame] | 301 | return enabled() && |
| 302 | webrtc::RtpTransceiverDirectionHasRecv(remote_content_direction_) && |
| 303 | webrtc::RtpTransceiverDirectionHasSend(local_content_direction_) && |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 304 | was_ever_writable(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 305 | } |
| 306 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 307 | bool BaseChannel::SendPacket(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 308 | const rtc::PacketOptions& options) { |
| 309 | return SendPacket(false, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 310 | } |
| 311 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 312 | bool BaseChannel::SendRtcp(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 313 | const rtc::PacketOptions& options) { |
| 314 | return SendPacket(true, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 315 | } |
| 316 | |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 317 | int BaseChannel::SetOption(SocketType type, |
| 318 | rtc::Socket::Option opt, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 319 | int value) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 320 | return network_thread_->Invoke<int>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 321 | RTC_FROM_HERE, Bind(&BaseChannel::SetOption_n, this, type, opt, value)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | int BaseChannel::SetOption_n(SocketType type, |
| 325 | rtc::Socket::Option opt, |
| 326 | int value) { |
| 327 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 328 | RTC_DCHECK(rtp_transport_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 329 | switch (type) { |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 330 | case ST_RTP: |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 331 | socket_options_.push_back( |
| 332 | std::pair<rtc::Socket::Option, int>(opt, value)); |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 333 | return rtp_transport_->SetRtpOption(opt, value); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 334 | case ST_RTCP: |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 335 | rtcp_socket_options_.push_back( |
| 336 | std::pair<rtc::Socket::Option, int>(opt, value)); |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 337 | return rtp_transport_->SetRtcpOption(opt, value); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 338 | } |
Bjorn A Mellem | 3a1b927 | 2019-05-24 16:13:08 -0700 | [diff] [blame] | 339 | return -1; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 340 | } |
| 341 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 342 | void BaseChannel::OnWritableState(bool writable) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 343 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 344 | if (writable) { |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 345 | ChannelWritable_n(); |
| 346 | } else { |
| 347 | ChannelNotWritable_n(); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 348 | } |
| 349 | } |
| 350 | |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 351 | void BaseChannel::OnNetworkRouteChanged( |
Danil Chapovalov | 66cadcc | 2018-06-19 16:47:43 +0200 | [diff] [blame] | 352 | absl::optional<rtc::NetworkRoute> network_route) { |
Piotr (Peter) Slatala | 179a392 | 2018-11-16 09:57:58 -0800 | [diff] [blame] | 353 | RTC_LOG(LS_INFO) << "Network route was changed."; |
| 354 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 355 | RTC_DCHECK(network_thread_->IsCurrent()); |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 356 | rtc::NetworkRoute new_route; |
| 357 | if (network_route) { |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 358 | new_route = *(network_route); |
Zhi Huang | 8c316c1 | 2017-11-13 21:13:45 +0000 | [diff] [blame] | 359 | } |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 360 | // Note: When the RTCP-muxing is not enabled, RTCP transport and RTP transport |
| 361 | // use the same transport name and MediaChannel::OnNetworkRouteChanged cannot |
| 362 | // work correctly. Intentionally leave it broken to simplify the code and |
| 363 | // encourage the users to stop using non-muxing RTCP. |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 364 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, [=] { |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 365 | media_channel_->OnNetworkRouteChanged(transport_name_, new_route); |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 366 | }); |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 367 | } |
| 368 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 369 | void BaseChannel::OnTransportReadyToSend(bool ready) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 370 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 371 | [=] { media_channel_->OnReadyToSend(ready); }); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 372 | } |
| 373 | |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 374 | bool BaseChannel::SendPacket(bool rtcp, |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 375 | rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 376 | const rtc::PacketOptions& options) { |
Amit Hilbuch | edd2054 | 2019-03-18 12:33:43 -0700 | [diff] [blame] | 377 | // Until all the code is migrated to use RtpPacketType instead of bool. |
| 378 | RtpPacketType packet_type = rtcp ? RtpPacketType::kRtcp : RtpPacketType::kRtp; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 379 | // SendPacket gets called from MediaEngine, on a pacer or an encoder thread. |
| 380 | // If the thread is not our network thread, we will post to our network |
| 381 | // so that the real work happens on our network. This avoids us having to |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 382 | // synchronize access to all the pieces of the send path, including |
| 383 | // SRTP and the inner workings of the transport channels. |
| 384 | // The only downside is that we can't return a proper failure code if |
| 385 | // needed. Since UDP is unreliable anyway, this should be a non-issue. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 386 | if (!network_thread_->IsCurrent()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 387 | // Avoid a copy by transferring the ownership of the packet data. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 388 | int message_id = rtcp ? MSG_SEND_RTCP_PACKET : MSG_SEND_RTP_PACKET; |
| 389 | SendPacketMessageData* data = new SendPacketMessageData; |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 390 | data->packet = std::move(*packet); |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 391 | data->options = options; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 392 | network_thread_->Post(RTC_FROM_HERE, this, message_id, data); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 393 | return true; |
| 394 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 395 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 396 | TRACE_EVENT0("webrtc", "BaseChannel::SendPacket"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 397 | |
| 398 | // Now that we are on the correct thread, ensure we have a place to send this |
| 399 | // packet before doing anything. (We might get RTCP packets that we don't |
| 400 | // intend to send.) If we've negotiated RTCP mux, send RTCP over the RTP |
| 401 | // transport. |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 402 | if (!rtp_transport_ || !rtp_transport_->IsWritable(rtcp)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 403 | return false; |
| 404 | } |
| 405 | |
| 406 | // Protect ourselves against crazy data. |
Amit Hilbuch | edd2054 | 2019-03-18 12:33:43 -0700 | [diff] [blame] | 407 | if (!IsValidRtpPacketSize(packet_type, packet->size())) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 408 | RTC_LOG(LS_ERROR) << "Dropping outgoing " << content_name_ << " " |
Amit Hilbuch | edd2054 | 2019-03-18 12:33:43 -0700 | [diff] [blame] | 409 | << RtpPacketTypeToString(packet_type) |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 410 | << " packet: wrong size=" << packet->size(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 411 | return false; |
| 412 | } |
| 413 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 414 | if (!srtp_active()) { |
| 415 | if (srtp_required_) { |
| 416 | // The audio/video engines may attempt to send RTCP packets as soon as the |
| 417 | // streams are created, so don't treat this as an error for RTCP. |
| 418 | // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=6809 |
| 419 | if (rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 420 | return false; |
| 421 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 422 | // However, there shouldn't be any RTP packets sent before SRTP is set up |
| 423 | // (and SetSend(true) is called). |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 424 | RTC_LOG(LS_ERROR) |
| 425 | << "Can't send outgoing RTP packet when SRTP is inactive" |
| 426 | << " and crypto is required"; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 427 | RTC_NOTREACHED(); |
deadbeef | 8f425f9 | 2016-12-01 12:26:27 -0800 | [diff] [blame] | 428 | return false; |
| 429 | } |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 430 | |
| 431 | std::string packet_type = rtcp ? "RTCP" : "RTP"; |
| 432 | RTC_LOG(LS_WARNING) << "Sending an " << packet_type |
| 433 | << " packet without encryption."; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 434 | } |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 435 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 436 | // Bon voyage. |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 437 | return rtcp ? rtp_transport_->SendRtcpPacket(packet, options, PF_SRTP_BYPASS) |
| 438 | : rtp_transport_->SendRtpPacket(packet, options, PF_SRTP_BYPASS); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 439 | } |
| 440 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 441 | void BaseChannel::OnRtpPacket(const webrtc::RtpPacketReceived& parsed_packet) { |
Niels Möller | 29e13fd | 2018-12-17 12:35:30 +0100 | [diff] [blame] | 442 | // Take packet time from the |parsed_packet|. |
| 443 | // RtpPacketReceived.arrival_time_ms = (timestamp_us + 500) / 1000; |
Sebastian Jansson | 1b83a9e | 2019-09-18 18:22:12 +0200 | [diff] [blame] | 444 | int64_t packet_time_us = -1; |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 445 | if (parsed_packet.arrival_time_ms() > 0) { |
Sebastian Jansson | 1b83a9e | 2019-09-18 18:22:12 +0200 | [diff] [blame] | 446 | packet_time_us = parsed_packet.arrival_time_ms() * 1000; |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 447 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 448 | |
Sebastian Jansson | 1b83a9e | 2019-09-18 18:22:12 +0200 | [diff] [blame] | 449 | if (!has_received_packet_) { |
| 450 | has_received_packet_ = true; |
| 451 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_FIRSTPACKETRECEIVED); |
| 452 | } |
| 453 | |
| 454 | if (!srtp_active() && srtp_required_) { |
| 455 | // Our session description indicates that SRTP is required, but we got a |
| 456 | // packet before our SRTP filter is active. This means either that |
| 457 | // a) we got SRTP packets before we received the SDES keys, in which case |
| 458 | // we can't decrypt it anyway, or |
| 459 | // b) we got SRTP packets before DTLS completed on both the RTP and RTCP |
| 460 | // transports, so we haven't yet extracted keys, even if DTLS did |
| 461 | // complete on the transport that the packets are being sent on. It's |
| 462 | // really good practice to wait for both RTP and RTCP to be good to go |
| 463 | // before sending media, to prevent weird failure modes, so it's fine |
| 464 | // for us to just eat packets here. This is all sidestepped if RTCP mux |
| 465 | // is used anyway. |
| 466 | RTC_LOG(LS_WARNING) << "Can't process incoming RTP packet when " |
| 467 | "SRTP is inactive and crypto is required"; |
| 468 | return; |
| 469 | } |
| 470 | |
| 471 | auto packet_buffer = parsed_packet.Buffer(); |
| 472 | |
| 473 | invoker_.AsyncInvoke<void>( |
| 474 | RTC_FROM_HERE, worker_thread_, [this, packet_buffer, packet_time_us] { |
| 475 | RTC_DCHECK(worker_thread_->IsCurrent()); |
| 476 | media_channel_->OnPacketReceived(packet_buffer, packet_time_us); |
| 477 | }); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | void BaseChannel::UpdateRtpHeaderExtensionMap( |
| 481 | const RtpHeaderExtensions& header_extensions) { |
| 482 | RTC_DCHECK(rtp_transport_); |
| 483 | // Update the header extension map on network thread in case there is data |
| 484 | // race. |
| 485 | // TODO(zhihuang): Add an rtc::ThreadChecker make sure to RtpTransport won't |
| 486 | // be accessed from different threads. |
| 487 | // |
| 488 | // NOTE: This doesn't take the BUNDLE case in account meaning the RTP header |
| 489 | // extension maps are not merged when BUNDLE is enabled. This is fine because |
| 490 | // the ID for MID should be consistent among all the RTP transports. |
| 491 | network_thread_->Invoke<void>(RTC_FROM_HERE, [this, &header_extensions] { |
| 492 | rtp_transport_->UpdateRtpHeaderExtensionMap(header_extensions); |
| 493 | }); |
| 494 | } |
| 495 | |
| 496 | bool BaseChannel::RegisterRtpDemuxerSink() { |
| 497 | RTC_DCHECK(rtp_transport_); |
| 498 | return network_thread_->Invoke<bool>(RTC_FROM_HERE, [this] { |
| 499 | return rtp_transport_->RegisterRtpDemuxerSink(demuxer_criteria_, this); |
| 500 | }); |
| 501 | } |
| 502 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 503 | void BaseChannel::EnableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 504 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 505 | if (enabled_) |
| 506 | return; |
| 507 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 508 | RTC_LOG(LS_INFO) << "Channel enabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 509 | enabled_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 510 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | void BaseChannel::DisableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 514 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 515 | if (!enabled_) |
| 516 | return; |
| 517 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 518 | RTC_LOG(LS_INFO) << "Channel disabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 519 | enabled_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 520 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 521 | } |
| 522 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 523 | void BaseChannel::UpdateWritableState_n() { |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 524 | if (rtp_transport_->IsWritable(/*rtcp=*/true) && |
| 525 | rtp_transport_->IsWritable(/*rtcp=*/false)) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 526 | ChannelWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 527 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 528 | ChannelNotWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 529 | } |
| 530 | } |
| 531 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 532 | void BaseChannel::ChannelWritable_n() { |
| 533 | RTC_DCHECK(network_thread_->IsCurrent()); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 534 | if (writable_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 535 | return; |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 536 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 537 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 538 | RTC_LOG(LS_INFO) << "Channel writable (" << content_name_ << ")" |
| 539 | << (was_ever_writable_ ? "" : " for the first time"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 540 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 541 | was_ever_writable_ = true; |
| 542 | writable_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 543 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 544 | } |
| 545 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 546 | void BaseChannel::ChannelNotWritable_n() { |
| 547 | RTC_DCHECK(network_thread_->IsCurrent()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 548 | if (!writable_) |
| 549 | return; |
| 550 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 551 | RTC_LOG(LS_INFO) << "Channel not writable (" << content_name_ << ")"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 552 | writable_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 553 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 554 | } |
| 555 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 556 | bool BaseChannel::AddRecvStream_w(const StreamParams& sp) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 557 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
pbos | 482b12e | 2015-11-16 10:19:58 -0800 | [diff] [blame] | 558 | return media_channel()->AddRecvStream(sp); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 559 | } |
| 560 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 561 | bool BaseChannel::RemoveRecvStream_w(uint32_t ssrc) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 562 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 563 | return media_channel()->RemoveRecvStream(ssrc); |
| 564 | } |
| 565 | |
Saurav Das | ff27da5 | 2019-09-20 11:05:30 -0700 | [diff] [blame] | 566 | void BaseChannel::ResetUnsignaledRecvStream_w() { |
| 567 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
| 568 | media_channel()->ResetUnsignaledRecvStream(); |
| 569 | } |
| 570 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 571 | bool BaseChannel::UpdateLocalStreams_w(const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 572 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 573 | std::string* error_desc) { |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 574 | // In the case of RIDs (where SSRCs are not negotiated), this method will |
| 575 | // generate an SSRC for each layer in StreamParams. That representation will |
| 576 | // be stored internally in |local_streams_|. |
| 577 | // In subsequent offers, the same stream can appear in |streams| again |
| 578 | // (without the SSRCs), so it should be looked up using RIDs (if available) |
| 579 | // and then by primary SSRC. |
| 580 | // In both scenarios, it is safe to assume that the media channel will be |
| 581 | // created with a StreamParams object with SSRCs. However, it is not safe to |
| 582 | // assume that |local_streams_| will always have SSRCs as there are scenarios |
| 583 | // in which niether SSRCs or RIDs are negotiated. |
| 584 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 585 | // Check for streams that have been removed. |
| 586 | bool ret = true; |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 587 | for (const StreamParams& old_stream : local_streams_) { |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 588 | if (!old_stream.has_ssrcs() || |
| 589 | GetStream(streams, StreamFinder(&old_stream))) { |
| 590 | continue; |
| 591 | } |
| 592 | if (!media_channel()->RemoveSendStream(old_stream.first_ssrc())) { |
| 593 | rtc::StringBuilder desc; |
| 594 | desc << "Failed to remove send stream with ssrc " |
| 595 | << old_stream.first_ssrc() << "."; |
| 596 | SafeSetError(desc.str(), error_desc); |
| 597 | ret = false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | // Check for new streams. |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 601 | std::vector<StreamParams> all_streams; |
| 602 | for (const StreamParams& stream : streams) { |
| 603 | StreamParams* existing = GetStream(local_streams_, StreamFinder(&stream)); |
| 604 | if (existing) { |
| 605 | // Parameters cannot change for an existing stream. |
| 606 | all_streams.push_back(*existing); |
| 607 | continue; |
| 608 | } |
| 609 | |
| 610 | all_streams.push_back(stream); |
| 611 | StreamParams& new_stream = all_streams.back(); |
| 612 | |
| 613 | if (!new_stream.has_ssrcs() && !new_stream.has_rids()) { |
| 614 | continue; |
| 615 | } |
| 616 | |
| 617 | RTC_DCHECK(new_stream.has_ssrcs() || new_stream.has_rids()); |
| 618 | if (new_stream.has_ssrcs() && new_stream.has_rids()) { |
| 619 | rtc::StringBuilder desc; |
| 620 | desc << "Failed to add send stream: " << new_stream.first_ssrc() |
| 621 | << ". Stream has both SSRCs and RIDs."; |
| 622 | SafeSetError(desc.str(), error_desc); |
| 623 | ret = false; |
| 624 | continue; |
| 625 | } |
| 626 | |
| 627 | // At this point we use the legacy simulcast group in StreamParams to |
| 628 | // indicate that we want multiple layers to the media channel. |
| 629 | if (!new_stream.has_ssrcs()) { |
| 630 | // TODO(bugs.webrtc.org/10250): Indicate if flex is desired here. |
| 631 | new_stream.GenerateSsrcs(new_stream.rids().size(), /* rtx = */ true, |
| 632 | /* flex_fec = */ false, ssrc_generator_); |
| 633 | } |
| 634 | |
| 635 | if (media_channel()->AddSendStream(new_stream)) { |
| 636 | RTC_LOG(LS_INFO) << "Add send stream ssrc: " << new_stream.ssrcs[0]; |
| 637 | } else { |
| 638 | rtc::StringBuilder desc; |
| 639 | desc << "Failed to add send stream ssrc: " << new_stream.first_ssrc(); |
| 640 | SafeSetError(desc.str(), error_desc); |
| 641 | ret = false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 642 | } |
| 643 | } |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 644 | local_streams_ = all_streams; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 645 | return ret; |
| 646 | } |
| 647 | |
| 648 | bool BaseChannel::UpdateRemoteStreams_w( |
| 649 | const std::vector<StreamParams>& streams, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 650 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 651 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 652 | // Check for streams that have been removed. |
| 653 | bool ret = true; |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 654 | for (const StreamParams& old_stream : remote_streams_) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 655 | // If we no longer have an unsignaled stream, we would like to remove |
| 656 | // the unsignaled stream params that are cached. |
Saurav Das | ff27da5 | 2019-09-20 11:05:30 -0700 | [diff] [blame] | 657 | if (!old_stream.has_ssrcs() && !HasStreamWithNoSsrcs(streams)) { |
| 658 | ResetUnsignaledRecvStream_w(); |
| 659 | RTC_LOG(LS_INFO) << "Reset unsignaled remote stream."; |
| 660 | } else if (old_stream.has_ssrcs() && |
| 661 | !GetStreamBySsrc(streams, old_stream.first_ssrc())) { |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 662 | if (RemoveRecvStream_w(old_stream.first_ssrc())) { |
| 663 | RTC_LOG(LS_INFO) << "Remove remote ssrc: " << old_stream.first_ssrc(); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 664 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame] | 665 | rtc::StringBuilder desc; |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 666 | desc << "Failed to remove remote stream with ssrc " |
| 667 | << old_stream.first_ssrc() << "."; |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 668 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 669 | ret = false; |
| 670 | } |
| 671 | } |
| 672 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 673 | demuxer_criteria_.ssrcs.clear(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 674 | // Check for new streams. |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 675 | for (const StreamParams& new_stream : streams) { |
Seth Hampson | 5897a6e | 2018-04-03 11:16:33 -0700 | [diff] [blame] | 676 | // We allow a StreamParams with an empty list of SSRCs, in which case the |
| 677 | // MediaChannel will cache the parameters and use them for any unsignaled |
| 678 | // stream received later. |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 679 | if ((!new_stream.has_ssrcs() && !HasStreamWithNoSsrcs(remote_streams_)) || |
| 680 | !GetStreamBySsrc(remote_streams_, new_stream.first_ssrc())) { |
| 681 | if (AddRecvStream_w(new_stream)) { |
Saurav Das | ff27da5 | 2019-09-20 11:05:30 -0700 | [diff] [blame] | 682 | RTC_LOG(LS_INFO) << "Add remote ssrc: " |
| 683 | << (new_stream.has_ssrcs() |
| 684 | ? std::to_string(new_stream.first_ssrc()) |
| 685 | : "unsignaled"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 686 | } else { |
Jonas Olsson | 366a50c | 2018-09-06 13:41:30 +0200 | [diff] [blame] | 687 | rtc::StringBuilder desc; |
Saurav Das | ff27da5 | 2019-09-20 11:05:30 -0700 | [diff] [blame] | 688 | desc << "Failed to add remote stream ssrc: " |
| 689 | << (new_stream.has_ssrcs() |
| 690 | ? std::to_string(new_stream.first_ssrc()) |
| 691 | : "unsignaled"); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 692 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 693 | ret = false; |
| 694 | } |
| 695 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 696 | // Update the receiving SSRCs. |
Steve Anton | 5f8b5fd | 2018-12-27 16:58:10 -0800 | [diff] [blame] | 697 | demuxer_criteria_.ssrcs.insert(new_stream.ssrcs.begin(), |
| 698 | new_stream.ssrcs.end()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 699 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 700 | // Re-register the sink to update the receiving ssrcs. |
| 701 | RegisterRtpDemuxerSink(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 702 | remote_streams_ = streams; |
| 703 | return ret; |
| 704 | } |
| 705 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 706 | RtpHeaderExtensions BaseChannel::GetFilteredRtpHeaderExtensions( |
| 707 | const RtpHeaderExtensions& extensions) { |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 708 | RTC_DCHECK(rtp_transport_); |
Benjamin Wright | a54daf1 | 2018-10-11 15:33:17 -0700 | [diff] [blame] | 709 | if (crypto_options_.srtp.enable_encrypted_rtp_header_extensions) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 710 | RtpHeaderExtensions filtered; |
Steve Anton | 64b626b | 2019-01-28 17:25:26 -0800 | [diff] [blame] | 711 | absl::c_copy_if(extensions, std::back_inserter(filtered), |
| 712 | [](const webrtc::RtpExtension& extension) { |
| 713 | return !extension.encrypt; |
| 714 | }); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 715 | return filtered; |
| 716 | } |
| 717 | |
| 718 | return webrtc::RtpExtension::FilterDuplicateNonEncrypted(extensions); |
| 719 | } |
| 720 | |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 721 | void BaseChannel::OnMessage(rtc::Message* pmsg) { |
Peter Boström | 6f28cf0 | 2015-12-07 23:17:15 +0100 | [diff] [blame] | 722 | TRACE_EVENT0("webrtc", "BaseChannel::OnMessage"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 723 | switch (pmsg->message_id) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 724 | case MSG_SEND_RTP_PACKET: |
| 725 | case MSG_SEND_RTCP_PACKET: { |
| 726 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 727 | SendPacketMessageData* data = |
| 728 | static_cast<SendPacketMessageData*>(pmsg->pdata); |
| 729 | bool rtcp = pmsg->message_id == MSG_SEND_RTCP_PACKET; |
| 730 | SendPacket(rtcp, &data->packet, data->options); |
| 731 | delete data; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 732 | break; |
| 733 | } |
| 734 | case MSG_FIRSTPACKETRECEIVED: { |
Amit Hilbuch | dd9390c | 2018-11-13 16:26:05 -0800 | [diff] [blame] | 735 | SignalFirstPacketReceived_(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 736 | break; |
| 737 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 738 | } |
| 739 | } |
| 740 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 741 | void BaseChannel::AddHandledPayloadType(int payload_type) { |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 742 | demuxer_criteria_.payload_types.insert(static_cast<uint8_t>(payload_type)); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 743 | } |
| 744 | |
Steve Anton | be2e5f7 | 2019-09-06 16:26:02 -0700 | [diff] [blame] | 745 | void BaseChannel::ClearHandledPayloadTypes() { |
| 746 | demuxer_criteria_.payload_types.clear(); |
| 747 | } |
| 748 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 749 | void BaseChannel::FlushRtcpMessages_n() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 750 | // Flush all remaining RTCP messages. This should only be called in |
| 751 | // destructor. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 752 | RTC_DCHECK(network_thread_->IsCurrent()); |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 753 | rtc::MessageList rtcp_messages; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 754 | network_thread_->Clear(this, MSG_SEND_RTCP_PACKET, &rtcp_messages); |
| 755 | for (const auto& message : rtcp_messages) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 756 | network_thread_->Send(RTC_FROM_HERE, this, MSG_SEND_RTCP_PACKET, |
| 757 | message.pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 758 | } |
| 759 | } |
| 760 | |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 761 | void BaseChannel::SignalSentPacket_n(const rtc::SentPacket& sent_packet) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 762 | RTC_DCHECK(network_thread_->IsCurrent()); |
Sebastian Jansson | 01be33b | 2019-09-12 17:39:18 +0200 | [diff] [blame] | 763 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 764 | [this, sent_packet] { |
| 765 | RTC_DCHECK(worker_thread_->IsCurrent()); |
| 766 | SignalSentPacket(sent_packet); |
| 767 | }); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 768 | } |
| 769 | |
| 770 | VoiceChannel::VoiceChannel(rtc::Thread* worker_thread, |
| 771 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 772 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 773 | std::unique_ptr<VoiceMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 774 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 775 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 776 | webrtc::CryptoOptions crypto_options, |
| 777 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 778 | : BaseChannel(worker_thread, |
| 779 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 780 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 781 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 782 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 783 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 784 | crypto_options, |
| 785 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 786 | |
| 787 | VoiceChannel::~VoiceChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 788 | TRACE_EVENT0("webrtc", "VoiceChannel::~VoiceChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 789 | // this can't be done in the base class, since it calls a virtual |
| 790 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 791 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 792 | } |
| 793 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 794 | void BaseChannel::UpdateMediaSendRecvState() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 795 | RTC_DCHECK(network_thread_->IsCurrent()); |
Sebastian Jansson | 01be33b | 2019-09-12 17:39:18 +0200 | [diff] [blame] | 796 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 797 | [this] { UpdateMediaSendRecvState_w(); }); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 798 | } |
| 799 | |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 800 | void VoiceChannel::Init_w( |
| 801 | webrtc::RtpTransportInternal* rtp_transport, |
| 802 | const webrtc::MediaTransportConfig& media_transport_config) { |
| 803 | BaseChannel::Init_w(rtp_transport, media_transport_config); |
Piotr (Peter) Slatala | 309aafe | 2019-01-15 14:24:34 -0800 | [diff] [blame] | 804 | } |
| 805 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 806 | void VoiceChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 807 | // Render incoming data if we're the active call, and we have the local |
| 808 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 809 | bool recv = IsReadyToReceiveMedia_w(); |
solenberg | 5b14b42 | 2015-10-01 04:10:31 -0700 | [diff] [blame] | 810 | media_channel()->SetPlayout(recv); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 811 | |
| 812 | // Send outgoing data if we're the active call, we have the remote content, |
| 813 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 814 | bool send = IsReadyToSendMedia_w(); |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 815 | media_channel()->SetSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 816 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 817 | RTC_LOG(LS_INFO) << "Changing voice state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 818 | } |
| 819 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 820 | bool VoiceChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 821 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 822 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 823 | TRACE_EVENT0("webrtc", "VoiceChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 824 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 825 | RTC_LOG(LS_INFO) << "Setting local voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 826 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 827 | RTC_DCHECK(content); |
| 828 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 829 | SafeSetError("Can't find audio content in local description.", error_desc); |
| 830 | return false; |
| 831 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 832 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 833 | const AudioContentDescription* audio = content->as_audio(); |
| 834 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 835 | RtpHeaderExtensions rtp_header_extensions = |
| 836 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 837 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
Johannes Kron | 9190b82 | 2018-10-29 11:22:05 +0100 | [diff] [blame] | 838 | media_channel()->SetExtmapAllowMixed(audio->extmap_allow_mixed()); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 839 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 840 | AudioRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 841 | RtpParametersFromMediaDescription(audio, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 842 | if (!media_channel()->SetRecvParameters(recv_params)) { |
Peter Thatcher | bfab5cb | 2015-08-20 17:40:24 -0700 | [diff] [blame] | 843 | SafeSetError("Failed to set local audio description recv parameters.", |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 844 | error_desc); |
| 845 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 846 | } |
Steve Anton | be2e5f7 | 2019-09-06 16:26:02 -0700 | [diff] [blame] | 847 | |
| 848 | if (webrtc::RtpTransceiverDirectionHasRecv(audio->direction())) { |
| 849 | for (const AudioCodec& codec : audio->codecs()) { |
| 850 | AddHandledPayloadType(codec.id); |
| 851 | } |
| 852 | // Need to re-register the sink to update the handled payload. |
| 853 | if (!RegisterRtpDemuxerSink()) { |
| 854 | RTC_LOG(LS_ERROR) << "Failed to set up audio demuxing."; |
| 855 | return false; |
| 856 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 857 | } |
| 858 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 859 | last_recv_params_ = recv_params; |
| 860 | |
| 861 | // TODO(pthatcher): Move local streams into AudioSendParameters, and |
| 862 | // only give it to the media channel once we have a remote |
| 863 | // description too (without a remote description, we won't be able |
| 864 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 865 | if (!UpdateLocalStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 866 | SafeSetError("Failed to set local audio description streams.", error_desc); |
| 867 | return false; |
| 868 | } |
| 869 | |
| 870 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 871 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 872 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 873 | } |
| 874 | |
| 875 | bool VoiceChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 876 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 877 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 878 | TRACE_EVENT0("webrtc", "VoiceChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 879 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 880 | RTC_LOG(LS_INFO) << "Setting remote voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 881 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 882 | RTC_DCHECK(content); |
| 883 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 884 | SafeSetError("Can't find audio content in remote description.", error_desc); |
| 885 | return false; |
| 886 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 887 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 888 | const AudioContentDescription* audio = content->as_audio(); |
| 889 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 890 | RtpHeaderExtensions rtp_header_extensions = |
| 891 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
| 892 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 893 | AudioSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 894 | RtpSendParametersFromMediaDescription(audio, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 895 | &send_params); |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 896 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 897 | |
| 898 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 899 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 900 | SafeSetError("Failed to set remote audio description send parameters.", |
| 901 | error_desc); |
| 902 | return false; |
| 903 | } |
| 904 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 905 | |
Steve Anton | be2e5f7 | 2019-09-06 16:26:02 -0700 | [diff] [blame] | 906 | if (!webrtc::RtpTransceiverDirectionHasSend(content->direction())) { |
| 907 | RTC_DLOG(LS_VERBOSE) << "SetRemoteContent_w: remote side will not send - " |
| 908 | "disable payload type demuxing"; |
| 909 | ClearHandledPayloadTypes(); |
| 910 | if (!RegisterRtpDemuxerSink()) { |
| 911 | RTC_LOG(LS_ERROR) << "Failed to update audio demuxing."; |
| 912 | return false; |
| 913 | } |
| 914 | } |
| 915 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 916 | // TODO(pthatcher): Move remote streams into AudioRecvParameters, |
| 917 | // and only give it to the media channel once we have a local |
| 918 | // description too (without a local description, we won't be able to |
| 919 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 920 | if (!UpdateRemoteStreams_w(audio->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 921 | SafeSetError("Failed to set remote audio description streams.", error_desc); |
| 922 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 923 | } |
| 924 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 925 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 926 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 927 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 928 | } |
| 929 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 930 | VideoChannel::VideoChannel(rtc::Thread* worker_thread, |
| 931 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 932 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 933 | std::unique_ptr<VideoMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 934 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 935 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 936 | webrtc::CryptoOptions crypto_options, |
| 937 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 938 | : BaseChannel(worker_thread, |
| 939 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 940 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 941 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 942 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 943 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 944 | crypto_options, |
| 945 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 946 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 947 | VideoChannel::~VideoChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 948 | TRACE_EVENT0("webrtc", "VideoChannel::~VideoChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 949 | // this can't be done in the base class, since it calls a virtual |
| 950 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 951 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 952 | } |
| 953 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 954 | void VideoChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 955 | // Send outgoing data if we're the active call, we have the remote content, |
| 956 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 957 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 958 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 959 | RTC_LOG(LS_ERROR) << "Failed to SetSend on video channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 960 | // TODO(gangji): Report error back to server. |
| 961 | } |
| 962 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 963 | RTC_LOG(LS_INFO) << "Changing video state, send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 964 | } |
| 965 | |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 966 | void VideoChannel::FillBitrateInfo(BandwidthEstimationInfo* bwe_info) { |
| 967 | InvokeOnWorker<void>(RTC_FROM_HERE, Bind(&VideoMediaChannel::FillBitrateInfo, |
| 968 | media_channel(), bwe_info)); |
| 969 | } |
| 970 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 971 | bool VideoChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 972 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 973 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 974 | TRACE_EVENT0("webrtc", "VideoChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 975 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 976 | RTC_LOG(LS_INFO) << "Setting local video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 977 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 978 | RTC_DCHECK(content); |
| 979 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 980 | SafeSetError("Can't find video content in local description.", error_desc); |
| 981 | return false; |
| 982 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 983 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 984 | const VideoContentDescription* video = content->as_video(); |
| 985 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 986 | RtpHeaderExtensions rtp_header_extensions = |
| 987 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 988 | UpdateRtpHeaderExtensionMap(rtp_header_extensions); |
Johannes Kron | 9190b82 | 2018-10-29 11:22:05 +0100 | [diff] [blame] | 989 | media_channel()->SetExtmapAllowMixed(video->extmap_allow_mixed()); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 990 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 991 | VideoRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 992 | RtpParametersFromMediaDescription(video, rtp_header_extensions, &recv_params); |
Mirta Dvornicic | 479a3c0 | 2019-06-04 15:38:50 +0200 | [diff] [blame] | 993 | |
| 994 | VideoSendParameters send_params = last_send_params_; |
| 995 | bool needs_send_params_update = false; |
| 996 | if (type == SdpType::kAnswer || type == SdpType::kPrAnswer) { |
| 997 | for (auto& send_codec : send_params.codecs) { |
| 998 | auto* recv_codec = FindMatchingCodec(recv_params.codecs, send_codec); |
| 999 | if (recv_codec) { |
| 1000 | if (!recv_codec->packetization && send_codec.packetization) { |
| 1001 | send_codec.packetization.reset(); |
| 1002 | needs_send_params_update = true; |
| 1003 | } else if (recv_codec->packetization != send_codec.packetization) { |
| 1004 | SafeSetError( |
| 1005 | "Failed to set local answer due to invalid codec packetization.", |
| 1006 | error_desc); |
| 1007 | return false; |
| 1008 | } |
| 1009 | } |
| 1010 | } |
| 1011 | } |
| 1012 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1013 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1014 | SafeSetError("Failed to set local video description recv parameters.", |
| 1015 | error_desc); |
| 1016 | return false; |
| 1017 | } |
Steve Anton | be2e5f7 | 2019-09-06 16:26:02 -0700 | [diff] [blame] | 1018 | |
| 1019 | if (webrtc::RtpTransceiverDirectionHasRecv(video->direction())) { |
| 1020 | for (const VideoCodec& codec : video->codecs()) { |
| 1021 | AddHandledPayloadType(codec.id); |
| 1022 | } |
| 1023 | // Need to re-register the sink to update the handled payload. |
| 1024 | if (!RegisterRtpDemuxerSink()) { |
| 1025 | RTC_LOG(LS_ERROR) << "Failed to set up video demuxing."; |
| 1026 | return false; |
| 1027 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 1028 | } |
| 1029 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1030 | last_recv_params_ = recv_params; |
| 1031 | |
Mirta Dvornicic | 479a3c0 | 2019-06-04 15:38:50 +0200 | [diff] [blame] | 1032 | if (needs_send_params_update) { |
| 1033 | if (!media_channel()->SetSendParameters(send_params)) { |
| 1034 | SafeSetError("Failed to set send parameters.", error_desc); |
| 1035 | return false; |
| 1036 | } |
| 1037 | last_send_params_ = send_params; |
| 1038 | } |
| 1039 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1040 | // TODO(pthatcher): Move local streams into VideoSendParameters, and |
| 1041 | // only give it to the media channel once we have a remote |
| 1042 | // description too (without a remote description, we won't be able |
| 1043 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1044 | if (!UpdateLocalStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1045 | SafeSetError("Failed to set local video description streams.", error_desc); |
| 1046 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1047 | } |
| 1048 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1049 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1050 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1051 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | bool VideoChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1055 | SdpType type, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1056 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 1057 | TRACE_EVENT0("webrtc", "VideoChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1058 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1059 | RTC_LOG(LS_INFO) << "Setting remote video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1060 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1061 | RTC_DCHECK(content); |
| 1062 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1063 | SafeSetError("Can't find video content in remote description.", error_desc); |
| 1064 | return false; |
| 1065 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1066 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1067 | const VideoContentDescription* video = content->as_video(); |
| 1068 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1069 | RtpHeaderExtensions rtp_header_extensions = |
| 1070 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
| 1071 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1072 | VideoSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1073 | RtpSendParametersFromMediaDescription(video, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1074 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1075 | if (video->conference_mode()) { |
nisse | 4b4dc86 | 2016-02-17 05:25:36 -0800 | [diff] [blame] | 1076 | send_params.conference_mode = true; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1077 | } |
Steve Anton | bb50ce5 | 2018-03-26 10:24:32 -0700 | [diff] [blame] | 1078 | send_params.mid = content_name(); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1079 | |
Mirta Dvornicic | 479a3c0 | 2019-06-04 15:38:50 +0200 | [diff] [blame] | 1080 | VideoRecvParameters recv_params = last_recv_params_; |
| 1081 | bool needs_recv_params_update = false; |
| 1082 | if (type == SdpType::kAnswer || type == SdpType::kPrAnswer) { |
| 1083 | for (auto& recv_codec : recv_params.codecs) { |
| 1084 | auto* send_codec = FindMatchingCodec(send_params.codecs, recv_codec); |
| 1085 | if (send_codec) { |
| 1086 | if (!send_codec->packetization && recv_codec.packetization) { |
| 1087 | recv_codec.packetization.reset(); |
| 1088 | needs_recv_params_update = true; |
| 1089 | } else if (send_codec->packetization != recv_codec.packetization) { |
| 1090 | SafeSetError( |
| 1091 | "Failed to set remote answer due to invalid codec packetization.", |
| 1092 | error_desc); |
| 1093 | return false; |
| 1094 | } |
| 1095 | } |
| 1096 | } |
| 1097 | } |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1098 | |
Mirta Dvornicic | 479a3c0 | 2019-06-04 15:38:50 +0200 | [diff] [blame] | 1099 | if (!media_channel()->SetSendParameters(send_params)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1100 | SafeSetError("Failed to set remote video description send parameters.", |
| 1101 | error_desc); |
| 1102 | return false; |
| 1103 | } |
| 1104 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1105 | |
Mirta Dvornicic | 479a3c0 | 2019-06-04 15:38:50 +0200 | [diff] [blame] | 1106 | if (needs_recv_params_update) { |
| 1107 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1108 | SafeSetError("Failed to set recv parameters.", error_desc); |
| 1109 | return false; |
| 1110 | } |
| 1111 | last_recv_params_ = recv_params; |
| 1112 | } |
| 1113 | |
Steve Anton | be2e5f7 | 2019-09-06 16:26:02 -0700 | [diff] [blame] | 1114 | if (!webrtc::RtpTransceiverDirectionHasSend(content->direction())) { |
| 1115 | RTC_DLOG(LS_VERBOSE) << "SetRemoteContent_w: remote side will not send - " |
| 1116 | "disable payload type demuxing"; |
| 1117 | ClearHandledPayloadTypes(); |
| 1118 | if (!RegisterRtpDemuxerSink()) { |
| 1119 | RTC_LOG(LS_ERROR) << "Failed to update video demuxing."; |
| 1120 | return false; |
| 1121 | } |
| 1122 | } |
| 1123 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1124 | // TODO(pthatcher): Move remote streams into VideoRecvParameters, |
| 1125 | // and only give it to the media channel once we have a local |
| 1126 | // description too (without a local description, we won't be able to |
| 1127 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1128 | if (!UpdateRemoteStreams_w(video->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1129 | SafeSetError("Failed to set remote video description streams.", error_desc); |
| 1130 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1131 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1132 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1133 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1134 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1135 | } |
| 1136 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1137 | RtpDataChannel::RtpDataChannel(rtc::Thread* worker_thread, |
| 1138 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1139 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1140 | std::unique_ptr<DataMediaChannel> media_channel, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1141 | const std::string& content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 1142 | bool srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 1143 | webrtc::CryptoOptions crypto_options, |
| 1144 | UniqueRandomIdGenerator* ssrc_generator) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1145 | : BaseChannel(worker_thread, |
| 1146 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1147 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1148 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 1149 | content_name, |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 1150 | srtp_required, |
Amit Hilbuch | bcd39d4 | 2019-01-25 17:13:56 -0800 | [diff] [blame] | 1151 | crypto_options, |
| 1152 | ssrc_generator) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1153 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1154 | RtpDataChannel::~RtpDataChannel() { |
| 1155 | TRACE_EVENT0("webrtc", "RtpDataChannel::~RtpDataChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1156 | // this can't be done in the base class, since it calls a virtual |
| 1157 | DisableMedia_w(); |
Zhi Huang | 0ffe03d | 2018-03-30 13:17:42 -0700 | [diff] [blame] | 1158 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1159 | } |
| 1160 | |
Anton Sukhanov | 4f08faa | 2019-05-21 11:12:57 -0700 | [diff] [blame] | 1161 | void RtpDataChannel::Init_w( |
| 1162 | webrtc::RtpTransportInternal* rtp_transport, |
| 1163 | const webrtc::MediaTransportConfig& media_transport_config) { |
| 1164 | BaseChannel::Init_w(rtp_transport, media_transport_config); |
Zhi Huang | 2dfc42d | 2017-12-04 13:38:48 -0800 | [diff] [blame] | 1165 | media_channel()->SignalDataReceived.connect(this, |
| 1166 | &RtpDataChannel::OnDataReceived); |
| 1167 | media_channel()->SignalReadyToSend.connect( |
| 1168 | this, &RtpDataChannel::OnDataChannelReadyToSend); |
| 1169 | } |
| 1170 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1171 | bool RtpDataChannel::SendData(const SendDataParams& params, |
| 1172 | const rtc::CopyOnWriteBuffer& payload, |
| 1173 | SendDataResult* result) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1174 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1175 | RTC_FROM_HERE, Bind(&DataMediaChannel::SendData, media_channel(), params, |
| 1176 | payload, result)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1179 | bool RtpDataChannel::CheckDataChannelTypeFromContent( |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1180 | const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1181 | std::string* error_desc) { |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1182 | if (!content->as_rtp_data()) { |
| 1183 | if (content->as_sctp()) { |
| 1184 | SafeSetError("Data channel type mismatch. Expected RTP, got SCTP.", |
| 1185 | error_desc); |
| 1186 | } else { |
| 1187 | SafeSetError("Data channel is not RTP or SCTP.", error_desc); |
| 1188 | } |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1189 | return false; |
| 1190 | } |
| 1191 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1192 | } |
| 1193 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1194 | bool RtpDataChannel::SetLocalContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1195 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1196 | std::string* error_desc) { |
| 1197 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetLocalContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1198 | RTC_DCHECK_RUN_ON(worker_thread()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1199 | RTC_LOG(LS_INFO) << "Setting local data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1200 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1201 | RTC_DCHECK(content); |
| 1202 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1203 | SafeSetError("Can't find data content in local description.", error_desc); |
| 1204 | return false; |
| 1205 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1206 | |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1207 | if (!CheckDataChannelTypeFromContent(content, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1208 | return false; |
| 1209 | } |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1210 | const RtpDataContentDescription* data = content->as_rtp_data(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1211 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1212 | RtpHeaderExtensions rtp_header_extensions = |
| 1213 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1214 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1215 | DataRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1216 | RtpParametersFromMediaDescription(data, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1217 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 1218 | SafeSetError("Failed to set remote data description recv parameters.", |
| 1219 | error_desc); |
| 1220 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1221 | } |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1222 | for (const DataCodec& codec : data->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1223 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1224 | } |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 1225 | // Need to re-register the sink to update the handled payload. |
| 1226 | if (!RegisterRtpDemuxerSink()) { |
| 1227 | RTC_LOG(LS_ERROR) << "Failed to set up data demuxing."; |
| 1228 | return false; |
| 1229 | } |
| 1230 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1231 | last_recv_params_ = recv_params; |
| 1232 | |
| 1233 | // TODO(pthatcher): Move local streams into DataSendParameters, and |
| 1234 | // only give it to the media channel once we have a remote |
| 1235 | // description too (without a remote description, we won't be able |
| 1236 | // to send them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1237 | if (!UpdateLocalStreams_w(data->streams(), type, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1238 | SafeSetError("Failed to set local data description streams.", error_desc); |
| 1239 | return false; |
| 1240 | } |
| 1241 | |
| 1242 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1243 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1244 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1245 | } |
| 1246 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1247 | bool RtpDataChannel::SetRemoteContent_w(const MediaContentDescription* content, |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1248 | SdpType type, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1249 | std::string* error_desc) { |
| 1250 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetRemoteContent_w"); |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1251 | RTC_DCHECK_RUN_ON(worker_thread()); |
| 1252 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1253 | |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1254 | RTC_DCHECK(content); |
| 1255 | if (!content) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1256 | SafeSetError("Can't find data content in remote description.", error_desc); |
| 1257 | return false; |
| 1258 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1259 | |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1260 | if (!CheckDataChannelTypeFromContent(content, error_desc)) { |
| 1261 | return false; |
Harald Alvestrand | 5fc28b1 | 2019-05-13 13:36:16 +0200 | [diff] [blame] | 1262 | } |
Steve Anton | b1c1de1 | 2017-12-21 15:14:30 -0800 | [diff] [blame] | 1263 | |
Harald Alvestrand | 755187f | 2019-12-05 13:43:34 +0100 | [diff] [blame] | 1264 | const RtpDataContentDescription* data = content->as_rtp_data(); |
| 1265 | |
Zhi Huang | 801b868 | 2017-11-15 11:36:43 -0800 | [diff] [blame] | 1266 | // If the remote data doesn't have codecs, it must be empty, so ignore it. |
| 1267 | if (!data->has_codecs()) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1268 | return true; |
| 1269 | } |
| 1270 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1271 | RtpHeaderExtensions rtp_header_extensions = |
| 1272 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 1273 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1274 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1275 | DataSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1276 | RtpSendParametersFromMediaDescription<DataCodec>(data, rtp_header_extensions, |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1277 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1278 | if (!media_channel()->SetSendParameters(send_params)) { |
| 1279 | SafeSetError("Failed to set remote data description send parameters.", |
| 1280 | error_desc); |
| 1281 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1282 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1283 | last_send_params_ = send_params; |
| 1284 | |
| 1285 | // TODO(pthatcher): Move remote streams into DataRecvParameters, |
| 1286 | // and only give it to the media channel once we have a local |
| 1287 | // description too (without a local description, we won't be able to |
| 1288 | // recv them anyway). |
Steve Anton | 3828c06 | 2017-12-06 10:34:51 -0800 | [diff] [blame] | 1289 | if (!UpdateRemoteStreams_w(data->streams(), type, error_desc)) { |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1290 | SafeSetError("Failed to set remote data description streams.", error_desc); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1291 | return false; |
| 1292 | } |
| 1293 | |
| 1294 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1295 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1296 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1297 | } |
| 1298 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1299 | void RtpDataChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1300 | // Render incoming data if we're the active call, and we have the local |
| 1301 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1302 | bool recv = IsReadyToReceiveMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1303 | if (!media_channel()->SetReceive(recv)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1304 | RTC_LOG(LS_ERROR) << "Failed to SetReceive on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1305 | } |
| 1306 | |
| 1307 | // Send outgoing data if we're the active call, we have the remote content, |
| 1308 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1309 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1310 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1311 | RTC_LOG(LS_ERROR) << "Failed to SetSend on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1312 | } |
| 1313 | |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 1314 | // Trigger SignalReadyToSendData asynchronously. |
| 1315 | OnDataChannelReadyToSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1316 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 1317 | RTC_LOG(LS_INFO) << "Changing data state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1318 | } |
| 1319 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1320 | void RtpDataChannel::OnMessage(rtc::Message* pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1321 | switch (pmsg->message_id) { |
| 1322 | case MSG_READYTOSENDDATA: { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1323 | DataChannelReadyToSendMessageData* data = |
| 1324 | static_cast<DataChannelReadyToSendMessageData*>(pmsg->pdata); |
wu@webrtc.org | 07a6fbe | 2013-11-04 18:41:34 +0000 | [diff] [blame] | 1325 | ready_to_send_data_ = data->data(); |
| 1326 | SignalReadyToSendData(ready_to_send_data_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1327 | delete data; |
| 1328 | break; |
| 1329 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1330 | case MSG_DATARECEIVED: { |
| 1331 | DataReceivedMessageData* data = |
| 1332 | static_cast<DataReceivedMessageData*>(pmsg->pdata); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1333 | SignalDataReceived(data->params, data->payload); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1334 | delete data; |
| 1335 | break; |
| 1336 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1337 | default: |
| 1338 | BaseChannel::OnMessage(pmsg); |
| 1339 | break; |
| 1340 | } |
| 1341 | } |
| 1342 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1343 | void RtpDataChannel::OnDataReceived(const ReceiveDataParams& params, |
| 1344 | const char* data, |
| 1345 | size_t len) { |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 1346 | DataReceivedMessageData* msg = new DataReceivedMessageData(params, data, len); |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1347 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_DATARECEIVED, msg); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1348 | } |
| 1349 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 1350 | void RtpDataChannel::OnDataChannelReadyToSend(bool writable) { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1351 | // This is usded for congestion control to indicate that the stream is ready |
| 1352 | // to send by the MediaChannel, as opposed to OnReadyToSend, which indicates |
| 1353 | // that the transport channel is ready. |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1354 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_READYTOSENDDATA, |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 1355 | new DataChannelReadyToSendMessageData(writable)); |
| 1356 | } |
| 1357 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1358 | } // namespace cricket |