henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 2 | * Copyright 2004 The WebRTC project authors. All Rights Reserved. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 3 | * |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 11 | #include <algorithm> |
| 12 | #include <iterator> |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 13 | #include <utility> |
| 14 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 15 | #include "pc/channel.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 16 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 17 | #include "api/call/audio_sink.h" |
| 18 | #include "media/base/mediaconstants.h" |
| 19 | #include "media/base/rtputils.h" |
| 20 | #include "rtc_base/bind.h" |
| 21 | #include "rtc_base/byteorder.h" |
| 22 | #include "rtc_base/checks.h" |
| 23 | #include "rtc_base/copyonwritebuffer.h" |
| 24 | #include "rtc_base/dscp.h" |
| 25 | #include "rtc_base/logging.h" |
| 26 | #include "rtc_base/networkroute.h" |
| 27 | #include "rtc_base/ptr_util.h" |
| 28 | #include "rtc_base/trace_event.h" |
zhihuang | 38ede13 | 2017-06-15 12:52:32 -0700 | [diff] [blame] | 29 | // Adding 'nogncheck' to disable the gn include headers check to support modular |
| 30 | // WebRTC build targets. |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 31 | #include "media/engine/webrtcvoiceengine.h" // nogncheck |
| 32 | #include "p2p/base/packettransportinternal.h" |
| 33 | #include "pc/channelmanager.h" |
| 34 | #include "pc/rtptransport.h" |
| 35 | #include "pc/srtptransport.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 36 | |
| 37 | namespace cricket { |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 38 | using rtc::Bind; |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 39 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 40 | namespace { |
kwiberg | 3102294 | 2016-03-11 14:18:21 -0800 | [diff] [blame] | 41 | // See comment below for why we need to use a pointer to a unique_ptr. |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 42 | bool SetRawAudioSink_w(VoiceMediaChannel* channel, |
| 43 | uint32_t ssrc, |
kwiberg | 3102294 | 2016-03-11 14:18:21 -0800 | [diff] [blame] | 44 | std::unique_ptr<webrtc::AudioSinkInterface>* sink) { |
| 45 | channel->SetRawAudioSink(ssrc, std::move(*sink)); |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 46 | return true; |
| 47 | } |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 48 | |
| 49 | struct SendPacketMessageData : public rtc::MessageData { |
| 50 | rtc::CopyOnWriteBuffer packet; |
| 51 | rtc::PacketOptions options; |
| 52 | }; |
| 53 | |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 54 | } // namespace |
| 55 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 56 | enum { |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 57 | MSG_EARLYMEDIATIMEOUT = 1, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 58 | MSG_SEND_RTP_PACKET, |
| 59 | MSG_SEND_RTCP_PACKET, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 60 | MSG_CHANNEL_ERROR, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 61 | MSG_READYTOSENDDATA, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 62 | MSG_DATARECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 63 | MSG_FIRSTPACKETRECEIVED, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | // Value specified in RFC 5764. |
| 67 | static const char kDtlsSrtpExporterLabel[] = "EXTRACTOR-dtls_srtp"; |
| 68 | |
| 69 | static const int kAgcMinus10db = -10; |
| 70 | |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 71 | static void SafeSetError(const std::string& message, std::string* error_desc) { |
| 72 | if (error_desc) { |
| 73 | *error_desc = message; |
| 74 | } |
| 75 | } |
| 76 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 77 | struct VoiceChannelErrorMessageData : public rtc::MessageData { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 78 | VoiceChannelErrorMessageData(uint32_t in_ssrc, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 79 | VoiceMediaChannel::Error in_error) |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 80 | : ssrc(in_ssrc), error(in_error) {} |
| 81 | uint32_t ssrc; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 82 | VoiceMediaChannel::Error error; |
| 83 | }; |
| 84 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 85 | struct VideoChannelErrorMessageData : public rtc::MessageData { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 86 | VideoChannelErrorMessageData(uint32_t in_ssrc, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 87 | VideoMediaChannel::Error in_error) |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 88 | : ssrc(in_ssrc), error(in_error) {} |
| 89 | uint32_t ssrc; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 90 | VideoMediaChannel::Error error; |
| 91 | }; |
| 92 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 93 | struct DataChannelErrorMessageData : public rtc::MessageData { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 94 | DataChannelErrorMessageData(uint32_t in_ssrc, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 95 | DataMediaChannel::Error in_error) |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 96 | : ssrc(in_ssrc), error(in_error) {} |
| 97 | uint32_t ssrc; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 98 | DataMediaChannel::Error error; |
| 99 | }; |
| 100 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 101 | static bool ValidPacket(bool rtcp, const rtc::CopyOnWriteBuffer* packet) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 102 | // Check the packet size. We could check the header too if needed. |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 103 | return packet && IsValidRtpRtcpPacketSize(rtcp, packet->size()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | static bool IsReceiveContentDirection(MediaContentDirection direction) { |
| 107 | return direction == MD_SENDRECV || direction == MD_RECVONLY; |
| 108 | } |
| 109 | |
| 110 | static bool IsSendContentDirection(MediaContentDirection direction) { |
| 111 | return direction == MD_SENDRECV || direction == MD_SENDONLY; |
| 112 | } |
| 113 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 114 | template <class Codec> |
| 115 | void RtpParametersFromMediaDescription( |
| 116 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 117 | const RtpHeaderExtensions& extensions, |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 118 | RtpParameters<Codec>* params) { |
| 119 | // TODO(pthatcher): Remove this once we're sure no one will give us |
| 120 | // a description without codecs (currently a CA_UPDATE with just |
| 121 | // streams can). |
| 122 | if (desc->has_codecs()) { |
| 123 | params->codecs = desc->codecs(); |
| 124 | } |
| 125 | // TODO(pthatcher): See if we really need |
| 126 | // rtp_header_extensions_set() and remove it if we don't. |
| 127 | if (desc->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 128 | params->extensions = extensions; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 129 | } |
deadbeef | 1387149 | 2015-12-09 12:37:51 -0800 | [diff] [blame] | 130 | params->rtcp.reduced_size = desc->rtcp_reduced_size(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 131 | } |
| 132 | |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 133 | template <class Codec> |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 134 | void RtpSendParametersFromMediaDescription( |
| 135 | const MediaContentDescriptionImpl<Codec>* desc, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 136 | const RtpHeaderExtensions& extensions, |
nisse | 0510331 | 2016-03-16 02:22:50 -0700 | [diff] [blame] | 137 | RtpSendParameters<Codec>* send_params) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 138 | RtpParametersFromMediaDescription(desc, extensions, send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 139 | send_params->max_bandwidth_bps = desc->bandwidth(); |
| 140 | } |
| 141 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 142 | BaseChannel::BaseChannel(rtc::Thread* worker_thread, |
| 143 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 144 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 145 | std::unique_ptr<MediaChannel> media_channel, |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 146 | const std::string& content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 147 | bool rtcp_mux_required, |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 148 | bool srtp_required) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 149 | : worker_thread_(worker_thread), |
| 150 | network_thread_(network_thread), |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 151 | signaling_thread_(signaling_thread), |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 152 | content_name_(content_name), |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 153 | rtcp_mux_required_(rtcp_mux_required), |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 154 | srtp_required_(srtp_required), |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 155 | media_channel_(std::move(media_channel)), |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 156 | selected_candidate_pair_(nullptr) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 157 | RTC_DCHECK_RUN_ON(worker_thread_); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 158 | if (srtp_required) { |
| 159 | auto transport = |
| 160 | rtc::MakeUnique<webrtc::SrtpTransport>(rtcp_mux_required, content_name); |
| 161 | srtp_transport_ = transport.get(); |
| 162 | rtp_transport_ = std::move(transport); |
jbauch | dfcab72 | 2017-03-06 00:14:10 -0800 | [diff] [blame] | 163 | #if defined(ENABLE_EXTERNAL_AUTH) |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 164 | srtp_transport_->EnableExternalAuth(); |
jbauch | dfcab72 | 2017-03-06 00:14:10 -0800 | [diff] [blame] | 165 | #endif |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 166 | } else { |
| 167 | rtp_transport_ = rtc::MakeUnique<webrtc::RtpTransport>(rtcp_mux_required); |
| 168 | srtp_transport_ = nullptr; |
| 169 | } |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 170 | rtp_transport_->SignalReadyToSend.connect( |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 171 | this, &BaseChannel::OnTransportReadyToSend); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 172 | // TODO(zstein): RtpTransport::SignalPacketReceived will probably be replaced |
| 173 | // with a callback interface later so that the demuxer can select which |
| 174 | // channel to signal. |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 175 | rtp_transport_->SignalPacketReceived.connect(this, |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 176 | &BaseChannel::OnPacketReceived); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 177 | RTC_LOG(LS_INFO) << "Created channel for " << content_name; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | BaseChannel::~BaseChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 181 | TRACE_EVENT0("webrtc", "BaseChannel::~BaseChannel"); |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 182 | RTC_DCHECK_RUN_ON(worker_thread_); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 183 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 184 | StopConnectionMonitor(); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 185 | // Eats any outstanding messages or packets. |
| 186 | worker_thread_->Clear(&invoker_); |
| 187 | worker_thread_->Clear(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 188 | // We must destroy the media channel before the transport channel, otherwise |
| 189 | // the media channel may try to send on the dead transport channel. NULLing |
| 190 | // 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] | 191 | media_channel_.reset(); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 192 | RTC_LOG(LS_INFO) << "Destroyed channel: " << content_name_; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 193 | } |
| 194 | |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 195 | void BaseChannel::DisconnectTransportChannels_n() { |
| 196 | // Send any outstanding RTCP packets. |
| 197 | FlushRtcpMessages_n(); |
| 198 | |
| 199 | // Stop signals from transport channels, but keep them alive because |
| 200 | // media_channel may use them from a different thread. |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 201 | if (rtp_dtls_transport_) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 202 | DisconnectFromDtlsTransport(rtp_dtls_transport_); |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 203 | } else if (rtp_transport_->rtp_packet_transport()) { |
| 204 | DisconnectFromPacketTransport(rtp_transport_->rtp_packet_transport()); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 205 | } |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 206 | if (rtcp_dtls_transport_) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 207 | DisconnectFromDtlsTransport(rtcp_dtls_transport_); |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 208 | } else if (rtp_transport_->rtcp_packet_transport()) { |
| 209 | DisconnectFromPacketTransport(rtp_transport_->rtcp_packet_transport()); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 210 | } |
| 211 | |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 212 | rtp_transport_->SetRtpPacketTransport(nullptr); |
| 213 | rtp_transport_->SetRtcpPacketTransport(nullptr); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 214 | |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 215 | // Clear pending read packets/messages. |
| 216 | network_thread_->Clear(&invoker_); |
| 217 | network_thread_->Clear(this); |
| 218 | } |
| 219 | |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 220 | void BaseChannel::Init_w(DtlsTransportInternal* rtp_dtls_transport, |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 221 | DtlsTransportInternal* rtcp_dtls_transport, |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 222 | rtc::PacketTransportInternal* rtp_packet_transport, |
| 223 | rtc::PacketTransportInternal* rtcp_packet_transport) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 224 | RTC_DCHECK_RUN_ON(worker_thread_); |
| 225 | network_thread_->Invoke<void>(RTC_FROM_HERE, [&] { |
| 226 | return InitNetwork_n(rtp_dtls_transport, rtcp_dtls_transport, |
| 227 | rtp_packet_transport, rtcp_packet_transport); |
| 228 | }); |
| 229 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 230 | // Both RTP and RTCP channels should be set, we can call SetInterface on |
| 231 | // the media channel and it can set network options. |
wu@webrtc.org | de30501 | 2013-10-31 15:40:38 +0000 | [diff] [blame] | 232 | media_channel_->SetInterface(this); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 233 | } |
| 234 | |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 235 | void BaseChannel::InitNetwork_n( |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 236 | DtlsTransportInternal* rtp_dtls_transport, |
| 237 | DtlsTransportInternal* rtcp_dtls_transport, |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 238 | rtc::PacketTransportInternal* rtp_packet_transport, |
| 239 | rtc::PacketTransportInternal* rtcp_packet_transport) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 240 | RTC_DCHECK(network_thread_->IsCurrent()); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 241 | SetTransports_n(rtp_dtls_transport, rtcp_dtls_transport, rtp_packet_transport, |
| 242 | rtcp_packet_transport); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 243 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 244 | if (rtcp_mux_required_) { |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 245 | rtcp_mux_filter_.SetActive(); |
| 246 | } |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 247 | } |
| 248 | |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 249 | void BaseChannel::Deinit() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 250 | RTC_DCHECK(worker_thread_->IsCurrent()); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 251 | media_channel_->SetInterface(NULL); |
Danil Chapovalov | dae07ba | 2016-05-14 01:43:50 +0200 | [diff] [blame] | 252 | // Packets arrive on the network thread, processing packets calls virtual |
| 253 | // functions, so need to stop this process in Deinit that is called in |
| 254 | // derived classes destructor. |
| 255 | network_thread_->Invoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 256 | RTC_FROM_HERE, Bind(&BaseChannel::DisconnectTransportChannels_n, this)); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 257 | } |
| 258 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 259 | void BaseChannel::SetTransports(DtlsTransportInternal* rtp_dtls_transport, |
| 260 | DtlsTransportInternal* rtcp_dtls_transport) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 261 | network_thread_->Invoke<void>( |
| 262 | RTC_FROM_HERE, |
| 263 | Bind(&BaseChannel::SetTransports_n, this, rtp_dtls_transport, |
| 264 | rtcp_dtls_transport, rtp_dtls_transport, rtcp_dtls_transport)); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 265 | } |
| 266 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 267 | void BaseChannel::SetTransports( |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 268 | rtc::PacketTransportInternal* rtp_packet_transport, |
| 269 | rtc::PacketTransportInternal* rtcp_packet_transport) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 270 | network_thread_->Invoke<void>( |
| 271 | RTC_FROM_HERE, Bind(&BaseChannel::SetTransports_n, this, nullptr, nullptr, |
| 272 | rtp_packet_transport, rtcp_packet_transport)); |
| 273 | } |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 274 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 275 | void BaseChannel::SetTransports_n( |
| 276 | DtlsTransportInternal* rtp_dtls_transport, |
| 277 | DtlsTransportInternal* rtcp_dtls_transport, |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 278 | rtc::PacketTransportInternal* rtp_packet_transport, |
| 279 | rtc::PacketTransportInternal* rtcp_packet_transport) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 280 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 281 | // Validate some assertions about the input. |
| 282 | RTC_DCHECK(rtp_packet_transport); |
| 283 | RTC_DCHECK_EQ(NeedsRtcpTransport(), rtcp_packet_transport != nullptr); |
| 284 | if (rtp_dtls_transport || rtcp_dtls_transport) { |
| 285 | // DTLS/non-DTLS pointers should be to the same object. |
| 286 | RTC_DCHECK(rtp_dtls_transport == rtp_packet_transport); |
| 287 | RTC_DCHECK(rtcp_dtls_transport == rtcp_packet_transport); |
| 288 | // Can't go from non-DTLS to DTLS. |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 289 | RTC_DCHECK(!rtp_transport_->rtp_packet_transport() || rtp_dtls_transport_); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 290 | } else { |
| 291 | // Can't go from DTLS to non-DTLS. |
| 292 | RTC_DCHECK(!rtp_dtls_transport_); |
| 293 | } |
| 294 | // Transport names should be the same. |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 295 | if (rtp_dtls_transport && rtcp_dtls_transport) { |
| 296 | RTC_DCHECK(rtp_dtls_transport->transport_name() == |
| 297 | rtcp_dtls_transport->transport_name()); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 298 | } |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 299 | std::string debug_name; |
| 300 | if (rtp_dtls_transport) { |
| 301 | transport_name_ = rtp_dtls_transport->transport_name(); |
| 302 | debug_name = transport_name_; |
| 303 | } else { |
| 304 | debug_name = rtp_packet_transport->debug_name(); |
| 305 | } |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 306 | if (rtp_packet_transport == rtp_transport_->rtp_packet_transport()) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 307 | // Nothing to do if transport isn't changing. |
deadbeef | bad5dad | 2017-01-17 18:32:35 -0800 | [diff] [blame] | 308 | return; |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 309 | } |
| 310 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 311 | // When using DTLS-SRTP, we must reset the SrtpTransport every time the |
| 312 | // DtlsTransport changes and wait until the DTLS handshake is complete to set |
| 313 | // the newly negotiated parameters. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 314 | if (ShouldSetupDtlsSrtp_n()) { |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 315 | // Set |writable_| to false such that UpdateWritableState_w can set up |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 316 | // DTLS-SRTP when |writable_| becomes true again. |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 317 | writable_ = false; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 318 | dtls_active_ = false; |
| 319 | if (srtp_transport_) { |
| 320 | srtp_transport_->ResetParams(); |
| 321 | } |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 322 | } |
| 323 | |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 324 | // If this BaseChannel doesn't require RTCP mux and we haven't fully |
| 325 | // negotiated RTCP mux, we need an RTCP transport. |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 326 | if (rtcp_packet_transport) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 327 | RTC_LOG(LS_INFO) << "Setting RTCP Transport for " << content_name() |
| 328 | << " on " << debug_name << " transport " |
| 329 | << rtcp_packet_transport; |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 330 | SetTransport_n(true, rtcp_dtls_transport, rtcp_packet_transport); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 331 | } |
| 332 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 333 | RTC_LOG(LS_INFO) << "Setting RTP Transport for " << content_name() << " on " |
| 334 | << debug_name << " transport " << rtp_packet_transport; |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 335 | SetTransport_n(false, rtp_dtls_transport, rtp_packet_transport); |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 336 | |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 337 | // Update aggregate writable/ready-to-send state between RTP and RTCP upon |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 338 | // setting new transport channels. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 339 | UpdateWritableState_n(); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 340 | } |
| 341 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 342 | void BaseChannel::SetTransport_n( |
| 343 | bool rtcp, |
| 344 | DtlsTransportInternal* new_dtls_transport, |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 345 | rtc::PacketTransportInternal* new_packet_transport) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 346 | RTC_DCHECK(network_thread_->IsCurrent()); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 347 | DtlsTransportInternal*& old_dtls_transport = |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 348 | rtcp ? rtcp_dtls_transport_ : rtp_dtls_transport_; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 349 | rtc::PacketTransportInternal* old_packet_transport = |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 350 | rtcp ? rtp_transport_->rtcp_packet_transport() |
| 351 | : rtp_transport_->rtp_packet_transport(); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 352 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 353 | if (!old_packet_transport && !new_packet_transport) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 354 | // Nothing to do. |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 355 | return; |
| 356 | } |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 357 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 358 | RTC_DCHECK(old_packet_transport != new_packet_transport); |
| 359 | if (old_dtls_transport) { |
| 360 | DisconnectFromDtlsTransport(old_dtls_transport); |
| 361 | } else if (old_packet_transport) { |
| 362 | DisconnectFromPacketTransport(old_packet_transport); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 363 | } |
| 364 | |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 365 | if (rtcp) { |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 366 | rtp_transport_->SetRtcpPacketTransport(new_packet_transport); |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 367 | } else { |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 368 | rtp_transport_->SetRtpPacketTransport(new_packet_transport); |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 369 | } |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 370 | old_dtls_transport = new_dtls_transport; |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 371 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 372 | // If there's no new transport, we're done after disconnecting from old one. |
| 373 | if (!new_packet_transport) { |
| 374 | return; |
| 375 | } |
| 376 | |
| 377 | if (rtcp && new_dtls_transport) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 378 | RTC_CHECK(!(ShouldSetupDtlsSrtp_n() && srtp_active())) |
| 379 | << "Setting RTCP for DTLS/SRTP after the DTLS is active " |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 380 | << "should never happen."; |
| 381 | } |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 382 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 383 | if (new_dtls_transport) { |
| 384 | ConnectToDtlsTransport(new_dtls_transport); |
| 385 | } else { |
| 386 | ConnectToPacketTransport(new_packet_transport); |
| 387 | } |
| 388 | auto& socket_options = rtcp ? rtcp_socket_options_ : socket_options_; |
| 389 | for (const auto& pair : socket_options) { |
| 390 | new_packet_transport->SetOption(pair.first, pair.second); |
guoweis | 4638331 | 2015-12-17 16:45:59 -0800 | [diff] [blame] | 391 | } |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 392 | } |
| 393 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 394 | void BaseChannel::ConnectToDtlsTransport(DtlsTransportInternal* transport) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 395 | RTC_DCHECK(network_thread_->IsCurrent()); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 396 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 397 | // TODO(zstein): de-dup with ConnectToPacketTransport |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 398 | transport->SignalWritableState.connect(this, &BaseChannel::OnWritableState); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 399 | transport->SignalDtlsState.connect(this, &BaseChannel::OnDtlsState); |
| 400 | transport->SignalSentPacket.connect(this, &BaseChannel::SignalSentPacket_n); |
| 401 | transport->ice_transport()->SignalSelectedCandidatePairChanged.connect( |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 402 | this, &BaseChannel::OnSelectedCandidatePairChanged); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 403 | } |
| 404 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 405 | void BaseChannel::DisconnectFromDtlsTransport( |
| 406 | DtlsTransportInternal* transport) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 407 | RTC_DCHECK(network_thread_->IsCurrent()); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 408 | OnSelectedCandidatePairChanged(transport->ice_transport(), nullptr, -1, |
| 409 | false); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 410 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 411 | transport->SignalWritableState.disconnect(this); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 412 | transport->SignalDtlsState.disconnect(this); |
| 413 | transport->SignalSentPacket.disconnect(this); |
| 414 | transport->ice_transport()->SignalSelectedCandidatePairChanged.disconnect( |
| 415 | this); |
pthatcher@webrtc.org | 6ad507a | 2015-03-16 20:19:12 +0000 | [diff] [blame] | 416 | } |
| 417 | |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 418 | void BaseChannel::ConnectToPacketTransport( |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 419 | rtc::PacketTransportInternal* transport) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 420 | RTC_DCHECK_RUN_ON(network_thread_); |
| 421 | transport->SignalWritableState.connect(this, &BaseChannel::OnWritableState); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 422 | transport->SignalSentPacket.connect(this, &BaseChannel::SignalSentPacket_n); |
| 423 | } |
| 424 | |
| 425 | void BaseChannel::DisconnectFromPacketTransport( |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 426 | rtc::PacketTransportInternal* transport) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 427 | RTC_DCHECK_RUN_ON(network_thread_); |
| 428 | transport->SignalWritableState.disconnect(this); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 429 | transport->SignalSentPacket.disconnect(this); |
| 430 | } |
| 431 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 432 | bool BaseChannel::Enable(bool enable) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 433 | worker_thread_->Invoke<void>( |
| 434 | RTC_FROM_HERE, |
| 435 | Bind(enable ? &BaseChannel::EnableMedia_w : &BaseChannel::DisableMedia_w, |
| 436 | this)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 437 | return true; |
| 438 | } |
| 439 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 440 | bool BaseChannel::AddRecvStream(const StreamParams& sp) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 441 | return InvokeOnWorker<bool>(RTC_FROM_HERE, |
| 442 | Bind(&BaseChannel::AddRecvStream_w, this, sp)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 443 | } |
| 444 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 445 | bool BaseChannel::RemoveRecvStream(uint32_t ssrc) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 446 | return InvokeOnWorker<bool>( |
| 447 | RTC_FROM_HERE, Bind(&BaseChannel::RemoveRecvStream_w, this, ssrc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 448 | } |
| 449 | |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 450 | bool BaseChannel::AddSendStream(const StreamParams& sp) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 451 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 452 | RTC_FROM_HERE, Bind(&MediaChannel::AddSendStream, media_channel(), sp)); |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 453 | } |
| 454 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 455 | bool BaseChannel::RemoveSendStream(uint32_t ssrc) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 456 | return InvokeOnWorker<bool>( |
| 457 | RTC_FROM_HERE, |
| 458 | Bind(&MediaChannel::RemoveSendStream, media_channel(), ssrc)); |
wu@webrtc.org | cadf904 | 2013-08-30 21:24:16 +0000 | [diff] [blame] | 459 | } |
| 460 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 461 | bool BaseChannel::SetLocalContent(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 462 | ContentAction action, |
| 463 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 464 | TRACE_EVENT0("webrtc", "BaseChannel::SetLocalContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 465 | return InvokeOnWorker<bool>( |
| 466 | RTC_FROM_HERE, |
| 467 | Bind(&BaseChannel::SetLocalContent_w, this, content, action, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | bool BaseChannel::SetRemoteContent(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 471 | ContentAction action, |
| 472 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 473 | TRACE_EVENT0("webrtc", "BaseChannel::SetRemoteContent"); |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 474 | return InvokeOnWorker<bool>( |
| 475 | RTC_FROM_HERE, Bind(&BaseChannel::SetRemoteContent_w, this, content, |
| 476 | action, error_desc)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 477 | } |
| 478 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 479 | void BaseChannel::StartConnectionMonitor(int cms) { |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 480 | // We pass in the BaseChannel instead of the rtp_dtls_transport_ |
| 481 | // because if the rtp_dtls_transport_ changes, the ConnectionMonitor |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 482 | // would be pointing to the wrong TransportChannel. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 483 | // We pass in the network thread because on that thread connection monitor |
| 484 | // will call BaseChannel::GetConnectionStats which must be called on the |
| 485 | // network thread. |
| 486 | connection_monitor_.reset( |
| 487 | new ConnectionMonitor(this, network_thread(), rtc::Thread::Current())); |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 488 | connection_monitor_->SignalUpdate.connect( |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 489 | this, &BaseChannel::OnConnectionMonitorUpdate); |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 490 | connection_monitor_->Start(cms); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | void BaseChannel::StopConnectionMonitor() { |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 494 | if (connection_monitor_) { |
| 495 | connection_monitor_->Stop(); |
| 496 | connection_monitor_.reset(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 497 | } |
| 498 | } |
| 499 | |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 500 | bool BaseChannel::GetConnectionStats(ConnectionInfos* infos) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 501 | RTC_DCHECK(network_thread_->IsCurrent()); |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 502 | if (!rtp_dtls_transport_) { |
| 503 | return false; |
| 504 | } |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 505 | return rtp_dtls_transport_->ice_transport()->GetStats(infos); |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | bool BaseChannel::NeedsRtcpTransport() { |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 509 | // If this BaseChannel doesn't require RTCP mux and we haven't fully |
| 510 | // negotiated RTCP mux, we need an RTCP transport. |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 511 | return !rtcp_mux_required_ && !rtcp_mux_filter_.IsFullyActive(); |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 512 | } |
| 513 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 514 | bool BaseChannel::IsReadyToReceiveMedia_w() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 515 | // Receive data if we are enabled and have local content, |
| 516 | return enabled() && IsReceiveContentDirection(local_content_direction_); |
| 517 | } |
| 518 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 519 | bool BaseChannel::IsReadyToSendMedia_w() const { |
| 520 | // Need to access some state updated on the network thread. |
| 521 | return network_thread_->Invoke<bool>( |
| 522 | RTC_FROM_HERE, Bind(&BaseChannel::IsReadyToSendMedia_n, this)); |
| 523 | } |
| 524 | |
| 525 | bool BaseChannel::IsReadyToSendMedia_n() const { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 526 | // Send outgoing data if we are enabled, have local and remote content, |
| 527 | // and we have had some form of connectivity. |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 528 | return enabled() && IsReceiveContentDirection(remote_content_direction_) && |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 529 | IsSendContentDirection(local_content_direction_) && |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 530 | was_ever_writable() && (srtp_active() || !ShouldSetupDtlsSrtp_n()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 531 | } |
| 532 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 533 | bool BaseChannel::SendPacket(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 534 | const rtc::PacketOptions& options) { |
| 535 | return SendPacket(false, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 536 | } |
| 537 | |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 538 | bool BaseChannel::SendRtcp(rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 539 | const rtc::PacketOptions& options) { |
| 540 | return SendPacket(true, packet, options); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 541 | } |
| 542 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 543 | int BaseChannel::SetOption(SocketType type, rtc::Socket::Option opt, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 544 | int value) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 545 | return network_thread_->Invoke<int>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 546 | RTC_FROM_HERE, Bind(&BaseChannel::SetOption_n, this, type, opt, value)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | int BaseChannel::SetOption_n(SocketType type, |
| 550 | rtc::Socket::Option opt, |
| 551 | int value) { |
| 552 | RTC_DCHECK(network_thread_->IsCurrent()); |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 553 | rtc::PacketTransportInternal* transport = nullptr; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 554 | switch (type) { |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 555 | case ST_RTP: |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 556 | transport = rtp_transport_->rtp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 557 | socket_options_.push_back( |
| 558 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 559 | break; |
| 560 | case ST_RTCP: |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 561 | transport = rtp_transport_->rtcp_packet_transport(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 562 | rtcp_socket_options_.push_back( |
| 563 | std::pair<rtc::Socket::Option, int>(opt, value)); |
wu@webrtc.org | 9caf276 | 2013-12-11 18:25:07 +0000 | [diff] [blame] | 564 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 565 | } |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 566 | return transport ? transport->SetOption(opt, value) : -1; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 567 | } |
| 568 | |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 569 | void BaseChannel::OnWritableState(rtc::PacketTransportInternal* transport) { |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 570 | RTC_DCHECK(transport == rtp_transport_->rtp_packet_transport() || |
| 571 | transport == rtp_transport_->rtcp_packet_transport()); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 572 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 573 | UpdateWritableState_n(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 574 | } |
| 575 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 576 | void BaseChannel::OnDtlsState(DtlsTransportInternal* transport, |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 577 | DtlsTransportState state) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 578 | if (!ShouldSetupDtlsSrtp_n()) { |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 579 | return; |
| 580 | } |
| 581 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 582 | // Reset the SrtpTransport if it's not the CONNECTED state. For the CONNECTED |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 583 | // state, setting up DTLS-SRTP context is deferred to ChannelWritable_w to |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 584 | // cover other scenarios like the whole transport is writable (not just this |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 585 | // TransportChannel) or when TransportChannel is attached after DTLS is |
| 586 | // negotiated. |
| 587 | if (state != DTLS_TRANSPORT_CONNECTED) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 588 | dtls_active_ = false; |
| 589 | if (srtp_transport_) { |
| 590 | srtp_transport_->ResetParams(); |
| 591 | } |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 592 | } |
| 593 | } |
| 594 | |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 595 | void BaseChannel::OnSelectedCandidatePairChanged( |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 596 | IceTransportInternal* ice_transport, |
Honghai Zhang | 52dce73 | 2016-03-31 12:37:31 -0700 | [diff] [blame] | 597 | CandidatePairInterface* selected_candidate_pair, |
Taylor Brandstetter | 6bb1ef2 | 2016-06-27 18:09:03 -0700 | [diff] [blame] | 598 | int last_sent_packet_id, |
| 599 | bool ready_to_send) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 600 | RTC_DCHECK((rtp_dtls_transport_ && |
| 601 | ice_transport == rtp_dtls_transport_->ice_transport()) || |
| 602 | (rtcp_dtls_transport_ && |
| 603 | ice_transport == rtcp_dtls_transport_->ice_transport())); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 604 | RTC_DCHECK(network_thread_->IsCurrent()); |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 605 | selected_candidate_pair_ = selected_candidate_pair; |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 606 | std::string transport_name = ice_transport->transport_name(); |
Honghai Zhang | 0e533ef | 2016-04-19 15:41:36 -0700 | [diff] [blame] | 607 | rtc::NetworkRoute network_route; |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 608 | if (selected_candidate_pair) { |
Honghai Zhang | 0e533ef | 2016-04-19 15:41:36 -0700 | [diff] [blame] | 609 | network_route = rtc::NetworkRoute( |
Taylor Brandstetter | 6bb1ef2 | 2016-06-27 18:09:03 -0700 | [diff] [blame] | 610 | ready_to_send, selected_candidate_pair->local_candidate().network_id(), |
Honghai Zhang | 0e533ef | 2016-04-19 15:41:36 -0700 | [diff] [blame] | 611 | selected_candidate_pair->remote_candidate().network_id(), |
| 612 | last_sent_packet_id); |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 613 | |
| 614 | UpdateTransportOverhead(); |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 615 | } |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 616 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, [=] { |
| 617 | media_channel_->OnNetworkRouteChanged(transport_name, network_route); |
| 618 | }); |
Honghai Zhang | cc411c0 | 2016-03-29 17:27:21 -0700 | [diff] [blame] | 619 | } |
| 620 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 621 | void BaseChannel::OnTransportReadyToSend(bool ready) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 622 | invoker_.AsyncInvoke<void>(RTC_FROM_HERE, worker_thread_, |
| 623 | [=] { media_channel_->OnReadyToSend(ready); }); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 624 | } |
| 625 | |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 626 | bool BaseChannel::SendPacket(bool rtcp, |
jbauch | eec21bd | 2016-03-20 06:15:43 -0700 | [diff] [blame] | 627 | rtc::CopyOnWriteBuffer* packet, |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 628 | const rtc::PacketOptions& options) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 629 | // SendPacket gets called from MediaEngine, on a pacer or an encoder thread. |
| 630 | // If the thread is not our network thread, we will post to our network |
| 631 | // 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] | 632 | // synchronize access to all the pieces of the send path, including |
| 633 | // SRTP and the inner workings of the transport channels. |
| 634 | // The only downside is that we can't return a proper failure code if |
| 635 | // needed. Since UDP is unreliable anyway, this should be a non-issue. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 636 | if (!network_thread_->IsCurrent()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 637 | // Avoid a copy by transferring the ownership of the packet data. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 638 | int message_id = rtcp ? MSG_SEND_RTCP_PACKET : MSG_SEND_RTP_PACKET; |
| 639 | SendPacketMessageData* data = new SendPacketMessageData; |
kwiberg | 0eb15ed | 2015-12-17 03:04:15 -0800 | [diff] [blame] | 640 | data->packet = std::move(*packet); |
stefan | c1aeaf0 | 2015-10-15 07:26:07 -0700 | [diff] [blame] | 641 | data->options = options; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 642 | network_thread_->Post(RTC_FROM_HERE, this, message_id, data); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 643 | return true; |
| 644 | } |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 645 | TRACE_EVENT0("webrtc", "BaseChannel::SendPacket"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 646 | |
| 647 | // Now that we are on the correct thread, ensure we have a place to send this |
| 648 | // packet before doing anything. (We might get RTCP packets that we don't |
| 649 | // intend to send.) If we've negotiated RTCP mux, send RTCP over the RTP |
| 650 | // transport. |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 651 | if (!rtp_transport_->IsWritable(rtcp)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 652 | return false; |
| 653 | } |
| 654 | |
| 655 | // Protect ourselves against crazy data. |
| 656 | if (!ValidPacket(rtcp, packet)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 657 | RTC_LOG(LS_ERROR) << "Dropping outgoing " << content_name_ << " " |
| 658 | << RtpRtcpStringLiteral(rtcp) |
| 659 | << " packet: wrong size=" << packet->size(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 660 | return false; |
| 661 | } |
| 662 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 663 | if (!srtp_active()) { |
| 664 | if (srtp_required_) { |
| 665 | // The audio/video engines may attempt to send RTCP packets as soon as the |
| 666 | // streams are created, so don't treat this as an error for RTCP. |
| 667 | // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=6809 |
| 668 | if (rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 669 | return false; |
| 670 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 671 | // However, there shouldn't be any RTP packets sent before SRTP is set up |
| 672 | // (and SetSend(true) is called). |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 673 | RTC_LOG(LS_ERROR) |
| 674 | << "Can't send outgoing RTP packet when SRTP is inactive" |
| 675 | << " and crypto is required"; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 676 | RTC_NOTREACHED(); |
deadbeef | 8f425f9 | 2016-12-01 12:26:27 -0800 | [diff] [blame] | 677 | return false; |
| 678 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 679 | // Bon voyage. |
Zhi Huang | 04eaa15 | 2017-10-04 14:08:30 -0700 | [diff] [blame] | 680 | return rtcp |
| 681 | ? rtp_transport_->SendRtcpPacket(packet, options, PF_SRTP_BYPASS) |
| 682 | : rtp_transport_->SendRtpPacket(packet, options, PF_SRTP_BYPASS); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 683 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 684 | RTC_DCHECK(srtp_transport_); |
| 685 | RTC_DCHECK(srtp_transport_->IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 686 | // Bon voyage. |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 687 | return rtcp ? srtp_transport_->SendRtcpPacket(packet, options, PF_SRTP_BYPASS) |
| 688 | : srtp_transport_->SendRtpPacket(packet, options, PF_SRTP_BYPASS); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 689 | } |
| 690 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 691 | bool BaseChannel::HandlesPayloadType(int packet_type) const { |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 692 | return rtp_transport_->HandlesPayloadType(packet_type); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 693 | } |
| 694 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 695 | void BaseChannel::OnPacketReceived(bool rtcp, |
zstein | 634977b | 2017-07-14 12:30:04 -0700 | [diff] [blame] | 696 | rtc::CopyOnWriteBuffer* packet, |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 697 | const rtc::PacketTime& packet_time) { |
honghaiz@google.com | a67ca1a | 2015-01-28 19:48:33 +0000 | [diff] [blame] | 698 | if (!has_received_packet_ && !rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 699 | has_received_packet_ = true; |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 700 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_FIRSTPACKETRECEIVED); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 701 | } |
| 702 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 703 | if (!srtp_active() && srtp_required_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 704 | // Our session description indicates that SRTP is required, but we got a |
| 705 | // packet before our SRTP filter is active. This means either that |
| 706 | // a) we got SRTP packets before we received the SDES keys, in which case |
| 707 | // we can't decrypt it anyway, or |
| 708 | // b) we got SRTP packets before DTLS completed on both the RTP and RTCP |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 709 | // transports, so we haven't yet extracted keys, even if DTLS did |
| 710 | // complete on the transport that the packets are being sent on. It's |
| 711 | // really good practice to wait for both RTP and RTCP to be good to go |
| 712 | // before sending media, to prevent weird failure modes, so it's fine |
| 713 | // for us to just eat packets here. This is all sidestepped if RTCP mux |
| 714 | // is used anyway. |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 715 | RTC_LOG(LS_WARNING) |
| 716 | << "Can't process incoming " << RtpRtcpStringLiteral(rtcp) |
| 717 | << " packet when SRTP is inactive and crypto is required"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 718 | return; |
| 719 | } |
| 720 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 721 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 722 | RTC_FROM_HERE, worker_thread_, |
zstein | 634977b | 2017-07-14 12:30:04 -0700 | [diff] [blame] | 723 | Bind(&BaseChannel::ProcessPacket, this, rtcp, *packet, packet_time)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 724 | } |
| 725 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 726 | void BaseChannel::ProcessPacket(bool rtcp, |
| 727 | const rtc::CopyOnWriteBuffer& packet, |
| 728 | const rtc::PacketTime& packet_time) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 729 | RTC_DCHECK(worker_thread_->IsCurrent()); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 730 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 731 | // Need to copy variable because OnRtcpReceived/OnPacketReceived |
| 732 | // requires non-const pointer to buffer. This doesn't memcpy the actual data. |
| 733 | rtc::CopyOnWriteBuffer data(packet); |
| 734 | if (rtcp) { |
| 735 | media_channel_->OnRtcpReceived(&data, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 736 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 737 | media_channel_->OnPacketReceived(&data, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 738 | } |
| 739 | } |
| 740 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 741 | void BaseChannel::EnableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 742 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 743 | if (enabled_) |
| 744 | return; |
| 745 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 746 | RTC_LOG(LS_INFO) << "Channel enabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 747 | enabled_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 748 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | void BaseChannel::DisableMedia_w() { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 752 | RTC_DCHECK(worker_thread_ == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 753 | if (!enabled_) |
| 754 | return; |
| 755 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 756 | RTC_LOG(LS_INFO) << "Channel disabled"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 757 | enabled_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 758 | UpdateMediaSendRecvState_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 759 | } |
| 760 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 761 | void BaseChannel::UpdateWritableState_n() { |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 762 | rtc::PacketTransportInternal* rtp_packet_transport = |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 763 | rtp_transport_->rtp_packet_transport(); |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 764 | rtc::PacketTransportInternal* rtcp_packet_transport = |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 765 | rtp_transport_->rtcp_packet_transport(); |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 766 | if (rtp_packet_transport && rtp_packet_transport->writable() && |
| 767 | (!rtcp_packet_transport || rtcp_packet_transport->writable())) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 768 | ChannelWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 769 | } else { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 770 | ChannelNotWritable_n(); |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 771 | } |
| 772 | } |
| 773 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 774 | void BaseChannel::ChannelWritable_n() { |
| 775 | RTC_DCHECK(network_thread_->IsCurrent()); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 776 | if (writable_) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 777 | return; |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 778 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 779 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 780 | RTC_LOG(LS_INFO) << "Channel writable (" << content_name_ << ")" |
| 781 | << (was_ever_writable_ ? "" : " for the first time"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 782 | |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 783 | if (selected_candidate_pair_) |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 784 | RTC_LOG(LS_INFO) |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 785 | << "Using " |
| 786 | << selected_candidate_pair_->local_candidate().ToSensitiveString() |
| 787 | << "->" |
| 788 | << selected_candidate_pair_->remote_candidate().ToSensitiveString(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 789 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 790 | was_ever_writable_ = true; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 791 | MaybeSetupDtlsSrtp_n(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 792 | writable_ = true; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 793 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 794 | } |
| 795 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 796 | void BaseChannel::SignalDtlsSrtpSetupFailure_n(bool rtcp) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 797 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 798 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 799 | RTC_FROM_HERE, signaling_thread(), |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 800 | Bind(&BaseChannel::SignalDtlsSrtpSetupFailure_s, this, rtcp)); |
pthatcher@webrtc.org | 4eeef58 | 2015-03-16 19:34:23 +0000 | [diff] [blame] | 801 | } |
| 802 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 803 | void BaseChannel::SignalDtlsSrtpSetupFailure_s(bool rtcp) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 804 | RTC_DCHECK(signaling_thread() == rtc::Thread::Current()); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 805 | SignalDtlsSrtpSetupFailure(this, rtcp); |
pthatcher@webrtc.org | 4eeef58 | 2015-03-16 19:34:23 +0000 | [diff] [blame] | 806 | } |
| 807 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 808 | bool BaseChannel::ShouldSetupDtlsSrtp_n() const { |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 809 | // Since DTLS is applied to all transports, checking RTP should be enough. |
| 810 | return rtp_dtls_transport_ && rtp_dtls_transport_->IsDtlsActive(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | // This function returns true if either DTLS-SRTP is not in use |
| 814 | // *or* DTLS-SRTP is successfully set up. |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 815 | bool BaseChannel::SetupDtlsSrtp_n(bool rtcp) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 816 | RTC_DCHECK(network_thread_->IsCurrent()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 817 | bool ret = false; |
| 818 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 819 | DtlsTransportInternal* transport = |
| 820 | rtcp ? rtcp_dtls_transport_ : rtp_dtls_transport_; |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 821 | RTC_DCHECK(transport); |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 822 | RTC_DCHECK(transport->IsDtlsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 823 | |
Guo-wei Shieh | 521ed7b | 2015-11-18 19:41:53 -0800 | [diff] [blame] | 824 | int selected_crypto_suite; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 825 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 826 | if (!transport->GetSrtpCryptoSuite(&selected_crypto_suite)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 827 | RTC_LOG(LS_ERROR) << "No DTLS-SRTP selected crypto suite"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 828 | return false; |
| 829 | } |
| 830 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 831 | RTC_LOG(LS_INFO) << "Installing keys from DTLS-SRTP on " << content_name() |
| 832 | << " " << RtpRtcpStringLiteral(rtcp); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 833 | |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 834 | int key_len; |
| 835 | int salt_len; |
| 836 | if (!rtc::GetSrtpKeyAndSaltLengths(selected_crypto_suite, &key_len, |
| 837 | &salt_len)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 838 | RTC_LOG(LS_ERROR) << "Unknown DTLS-SRTP crypto suite" |
| 839 | << selected_crypto_suite; |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 840 | return false; |
| 841 | } |
| 842 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 843 | // OK, we're now doing DTLS (RFC 5764) |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 844 | std::vector<unsigned char> dtls_buffer(key_len * 2 + salt_len * 2); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 845 | |
| 846 | // RFC 5705 exporter using the RFC 5764 parameters |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 847 | if (!transport->ExportKeyingMaterial(kDtlsSrtpExporterLabel, NULL, 0, false, |
| 848 | &dtls_buffer[0], dtls_buffer.size())) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 849 | RTC_LOG(LS_WARNING) << "DTLS-SRTP key export failed"; |
nisse | eb4ca4e | 2017-01-12 02:24:27 -0800 | [diff] [blame] | 850 | RTC_NOTREACHED(); // This should never happen |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 851 | return false; |
| 852 | } |
| 853 | |
| 854 | // Sync up the keys with the DTLS-SRTP interface |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 855 | std::vector<unsigned char> client_write_key(key_len + salt_len); |
| 856 | std::vector<unsigned char> server_write_key(key_len + salt_len); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 857 | size_t offset = 0; |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 858 | memcpy(&client_write_key[0], &dtls_buffer[offset], key_len); |
| 859 | offset += key_len; |
| 860 | memcpy(&server_write_key[0], &dtls_buffer[offset], key_len); |
| 861 | offset += key_len; |
| 862 | memcpy(&client_write_key[key_len], &dtls_buffer[offset], salt_len); |
| 863 | offset += salt_len; |
| 864 | memcpy(&server_write_key[key_len], &dtls_buffer[offset], salt_len); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 865 | |
| 866 | std::vector<unsigned char> *send_key, *recv_key; |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 867 | rtc::SSLRole role; |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 868 | if (!transport->GetSslRole(&role)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 869 | RTC_LOG(LS_WARNING) << "GetSslRole failed"; |
sergeyu@chromium.org | 0be6aa0 | 2013-08-23 23:21:25 +0000 | [diff] [blame] | 870 | return false; |
| 871 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 872 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 873 | if (role == rtc::SSL_SERVER) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 874 | send_key = &server_write_key; |
| 875 | recv_key = &client_write_key; |
| 876 | } else { |
| 877 | send_key = &client_write_key; |
| 878 | recv_key = &server_write_key; |
| 879 | } |
| 880 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 881 | if (rtcp) { |
| 882 | if (!dtls_active()) { |
| 883 | RTC_DCHECK(srtp_transport_); |
| 884 | ret = srtp_transport_->SetRtcpParams( |
| 885 | selected_crypto_suite, &(*send_key)[0], |
| 886 | static_cast<int>(send_key->size()), selected_crypto_suite, |
| 887 | &(*recv_key)[0], static_cast<int>(recv_key->size())); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 888 | } else { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 889 | // RTCP doesn't need to call SetRtpParam because it is only used |
| 890 | // to make the updated encrypted RTP header extension IDs take effect. |
| 891 | ret = true; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 892 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 893 | } else { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 894 | RTC_DCHECK(srtp_transport_); |
| 895 | ret = srtp_transport_->SetRtpParams(selected_crypto_suite, &(*send_key)[0], |
| 896 | static_cast<int>(send_key->size()), |
| 897 | selected_crypto_suite, &(*recv_key)[0], |
| 898 | static_cast<int>(recv_key->size())); |
| 899 | dtls_active_ = ret; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 900 | } |
| 901 | |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 902 | if (!ret) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 903 | RTC_LOG(LS_WARNING) << "DTLS-SRTP key installation failed"; |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 904 | } else { |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 905 | UpdateTransportOverhead(); |
| 906 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 907 | return ret; |
| 908 | } |
| 909 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 910 | void BaseChannel::MaybeSetupDtlsSrtp_n() { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 911 | if (dtls_active()) { |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 912 | return; |
| 913 | } |
| 914 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 915 | if (!ShouldSetupDtlsSrtp_n()) { |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 916 | return; |
| 917 | } |
| 918 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 919 | if (!srtp_transport_) { |
| 920 | EnableSrtpTransport_n(); |
| 921 | } |
| 922 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 923 | if (!SetupDtlsSrtp_n(false)) { |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 924 | SignalDtlsSrtpSetupFailure_n(false); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 925 | return; |
| 926 | } |
| 927 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 928 | if (rtcp_dtls_transport_) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 929 | if (!SetupDtlsSrtp_n(true)) { |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 930 | SignalDtlsSrtpSetupFailure_n(true); |
Guo-wei Shieh | 1218d7a | 2015-12-05 09:59:56 -0800 | [diff] [blame] | 931 | return; |
| 932 | } |
| 933 | } |
| 934 | } |
| 935 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 936 | void BaseChannel::ChannelNotWritable_n() { |
| 937 | RTC_DCHECK(network_thread_->IsCurrent()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 938 | if (!writable_) |
| 939 | return; |
| 940 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 941 | RTC_LOG(LS_INFO) << "Channel not writable (" << content_name_ << ")"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 942 | writable_ = false; |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 943 | UpdateMediaSendRecvState(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 944 | } |
| 945 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 946 | bool BaseChannel::SetRtpTransportParameters( |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 947 | const MediaContentDescription* content, |
| 948 | ContentAction action, |
| 949 | ContentSource src, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 950 | const RtpHeaderExtensions& extensions, |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 951 | std::string* error_desc) { |
| 952 | if (action == CA_UPDATE) { |
| 953 | // These parameters never get changed by a CA_UDPATE. |
| 954 | return true; |
| 955 | } |
| 956 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 957 | std::vector<int> encrypted_extension_ids; |
| 958 | for (const webrtc::RtpExtension& extension : extensions) { |
| 959 | if (extension.encrypt) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 960 | RTC_LOG(LS_INFO) << "Using " << (src == CS_LOCAL ? "local" : "remote") |
| 961 | << " encrypted extension: " << extension.ToString(); |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 962 | encrypted_extension_ids.push_back(extension.id); |
| 963 | } |
| 964 | } |
| 965 | |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 966 | // Cache srtp_required_ for belt and suspenders check on SendPacket |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 967 | return network_thread_->Invoke<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 968 | RTC_FROM_HERE, Bind(&BaseChannel::SetRtpTransportParameters_n, this, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 969 | content, action, src, encrypted_extension_ids, |
| 970 | error_desc)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | bool BaseChannel::SetRtpTransportParameters_n( |
| 974 | const MediaContentDescription* content, |
| 975 | ContentAction action, |
| 976 | ContentSource src, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 977 | const std::vector<int>& encrypted_extension_ids, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 978 | std::string* error_desc) { |
| 979 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 980 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 981 | if (!SetSrtp_n(content->cryptos(), action, src, encrypted_extension_ids, |
| 982 | error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 983 | return false; |
| 984 | } |
| 985 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 986 | if (!SetRtcpMux_n(content->rtcp_mux(), action, src, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 987 | return false; |
| 988 | } |
| 989 | |
| 990 | return true; |
| 991 | } |
| 992 | |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 993 | // |dtls| will be set to true if DTLS is active for transport and crypto is |
| 994 | // empty. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 995 | bool BaseChannel::CheckSrtpConfig_n(const std::vector<CryptoParams>& cryptos, |
| 996 | bool* dtls, |
| 997 | std::string* error_desc) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 998 | *dtls = rtp_dtls_transport_ && rtp_dtls_transport_->IsDtlsActive(); |
mallinath@webrtc.org | 19f27e6 | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 999 | if (*dtls && !cryptos.empty()) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1000 | SafeSetError("Cryptos must be empty when DTLS is active.", error_desc); |
mallinath@webrtc.org | 19f27e6 | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 1001 | return false; |
| 1002 | } |
| 1003 | return true; |
| 1004 | } |
| 1005 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1006 | void BaseChannel::EnableSrtpTransport_n() { |
| 1007 | if (srtp_transport_ == nullptr) { |
| 1008 | rtp_transport_->SignalReadyToSend.disconnect(this); |
| 1009 | rtp_transport_->SignalPacketReceived.disconnect(this); |
| 1010 | |
| 1011 | auto transport = rtc::MakeUnique<webrtc::SrtpTransport>( |
| 1012 | std::move(rtp_transport_), content_name_); |
| 1013 | srtp_transport_ = transport.get(); |
| 1014 | rtp_transport_ = std::move(transport); |
| 1015 | |
| 1016 | rtp_transport_->SignalReadyToSend.connect( |
| 1017 | this, &BaseChannel::OnTransportReadyToSend); |
| 1018 | rtp_transport_->SignalPacketReceived.connect( |
| 1019 | this, &BaseChannel::OnPacketReceived); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1020 | RTC_LOG(LS_INFO) << "Wrapping RtpTransport in SrtpTransport."; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1021 | } |
| 1022 | } |
| 1023 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1024 | bool BaseChannel::SetSrtp_n(const std::vector<CryptoParams>& cryptos, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1025 | ContentAction action, |
| 1026 | ContentSource src, |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1027 | const std::vector<int>& encrypted_extension_ids, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1028 | std::string* error_desc) { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 1029 | TRACE_EVENT0("webrtc", "BaseChannel::SetSrtp_w"); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1030 | if (action == CA_UPDATE) { |
| 1031 | // no crypto params. |
| 1032 | return true; |
| 1033 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1034 | bool ret = false; |
mallinath@webrtc.org | 19f27e6 | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 1035 | bool dtls = false; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1036 | ret = CheckSrtpConfig_n(cryptos, &dtls, error_desc); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1037 | if (!ret) { |
| 1038 | return false; |
| 1039 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1040 | |
| 1041 | // If SRTP was not required, but we're setting a description that uses SDES, |
| 1042 | // we need to upgrade to an SrtpTransport. |
| 1043 | if (!srtp_transport_ && !dtls && !cryptos.empty()) { |
| 1044 | EnableSrtpTransport_n(); |
| 1045 | } |
| 1046 | if (srtp_transport_) { |
| 1047 | srtp_transport_->SetEncryptedHeaderExtensionIds(src, |
| 1048 | encrypted_extension_ids); |
| 1049 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1050 | switch (action) { |
| 1051 | case CA_OFFER: |
mallinath@webrtc.org | 19f27e6 | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 1052 | // If DTLS is already active on the channel, we could be renegotiating |
| 1053 | // here. We don't update the srtp filter. |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1054 | if (!dtls) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1055 | ret = sdes_negotiator_.SetOffer(cryptos, src); |
mallinath@webrtc.org | 19f27e6 | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 1056 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1057 | break; |
| 1058 | case CA_PRANSWER: |
| 1059 | // If we're doing DTLS-SRTP, we don't want to update the filter |
| 1060 | // with an answer, because we already have SRTP parameters. |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1061 | if (!dtls) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1062 | ret = sdes_negotiator_.SetProvisionalAnswer(cryptos, src); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1063 | } |
| 1064 | break; |
| 1065 | case CA_ANSWER: |
| 1066 | // If we're doing DTLS-SRTP, we don't want to update the filter |
| 1067 | // with an answer, because we already have SRTP parameters. |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1068 | if (!dtls) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1069 | ret = sdes_negotiator_.SetAnswer(cryptos, src); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1070 | } |
| 1071 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1072 | default: |
| 1073 | break; |
| 1074 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1075 | |
| 1076 | // If setting an SDES answer succeeded, apply the negotiated parameters |
| 1077 | // to the SRTP transport. |
| 1078 | if ((action == CA_PRANSWER || action == CA_ANSWER) && !dtls && ret) { |
| 1079 | if (sdes_negotiator_.send_cipher_suite() && |
| 1080 | sdes_negotiator_.recv_cipher_suite()) { |
| 1081 | ret = srtp_transport_->SetRtpParams( |
| 1082 | *(sdes_negotiator_.send_cipher_suite()), |
| 1083 | sdes_negotiator_.send_key().data(), |
| 1084 | static_cast<int>(sdes_negotiator_.send_key().size()), |
| 1085 | *(sdes_negotiator_.recv_cipher_suite()), |
| 1086 | sdes_negotiator_.recv_key().data(), |
| 1087 | static_cast<int>(sdes_negotiator_.recv_key().size())); |
| 1088 | } else { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1089 | RTC_LOG(LS_INFO) << "No crypto keys are provided for SDES."; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1090 | if (action == CA_ANSWER && srtp_transport_) { |
| 1091 | // Explicitly reset the |srtp_transport_| if no crypto param is |
| 1092 | // provided in the answer. No need to call |ResetParams()| for |
| 1093 | // |sdes_negotiator_| because it resets the params inside |SetAnswer|. |
| 1094 | srtp_transport_->ResetParams(); |
| 1095 | } |
| 1096 | } |
| 1097 | } |
| 1098 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1099 | // Only update SRTP filter if using DTLS. SDES is handled internally |
| 1100 | // by the SRTP filter. |
| 1101 | // TODO(jbauch): Only update if encrypted extension ids have changed. |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1102 | if (ret && dtls_active() && rtp_dtls_transport_ && |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1103 | rtp_dtls_transport_->dtls_state() == DTLS_TRANSPORT_CONNECTED) { |
| 1104 | bool rtcp = false; |
| 1105 | ret = SetupDtlsSrtp_n(rtcp); |
| 1106 | } |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1107 | if (!ret) { |
| 1108 | SafeSetError("Failed to setup SRTP filter.", error_desc); |
| 1109 | return false; |
| 1110 | } |
| 1111 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1112 | } |
| 1113 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1114 | bool BaseChannel::SetRtcpMux_n(bool enable, |
| 1115 | ContentAction action, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1116 | ContentSource src, |
| 1117 | std::string* error_desc) { |
deadbeef | 8e814d7 | 2017-01-13 11:34:39 -0800 | [diff] [blame] | 1118 | // Provide a more specific error message for the RTCP mux "require" policy |
| 1119 | // case. |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 1120 | if (rtcp_mux_required_ && !enable) { |
deadbeef | 8e814d7 | 2017-01-13 11:34:39 -0800 | [diff] [blame] | 1121 | SafeSetError( |
| 1122 | "rtcpMuxPolicy is 'require', but media description does not " |
| 1123 | "contain 'a=rtcp-mux'.", |
| 1124 | error_desc); |
| 1125 | return false; |
| 1126 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1127 | bool ret = false; |
| 1128 | switch (action) { |
| 1129 | case CA_OFFER: |
| 1130 | ret = rtcp_mux_filter_.SetOffer(enable, src); |
| 1131 | break; |
| 1132 | case CA_PRANSWER: |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 1133 | // This may activate RTCP muxing, but we don't yet destroy the transport |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1134 | // because the final answer may deactivate it. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1135 | ret = rtcp_mux_filter_.SetProvisionalAnswer(enable, src); |
| 1136 | break; |
| 1137 | case CA_ANSWER: |
| 1138 | ret = rtcp_mux_filter_.SetAnswer(enable, src); |
| 1139 | if (ret && rtcp_mux_filter_.IsActive()) { |
deadbeef | e814a0d | 2017-02-25 18:15:09 -0800 | [diff] [blame] | 1140 | // We permanently activated RTCP muxing; signal that we no longer need |
| 1141 | // the RTCP transport. |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 1142 | std::string debug_name = |
| 1143 | transport_name_.empty() |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 1144 | ? rtp_transport_->rtp_packet_transport()->debug_name() |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 1145 | : transport_name_; |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1146 | RTC_LOG(LS_INFO) << "Enabling rtcp-mux for " << content_name() |
| 1147 | << "; no longer need RTCP transport for " |
| 1148 | << debug_name; |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 1149 | if (rtp_transport_->rtcp_packet_transport()) { |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 1150 | SetTransport_n(true, nullptr, nullptr); |
| 1151 | SignalRtcpMuxFullyActive(transport_name_); |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1152 | } |
deadbeef | 062ce9f | 2016-08-26 21:42:15 -0700 | [diff] [blame] | 1153 | UpdateWritableState_n(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1154 | } |
| 1155 | break; |
| 1156 | case CA_UPDATE: |
| 1157 | // No RTCP mux info. |
| 1158 | ret = true; |
Henrik Kjellander | 7c027b6 | 2015-04-22 13:21:30 +0200 | [diff] [blame] | 1159 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1160 | default: |
| 1161 | break; |
| 1162 | } |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1163 | if (!ret) { |
| 1164 | SafeSetError("Failed to setup RTCP mux filter.", error_desc); |
| 1165 | return false; |
| 1166 | } |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 1167 | rtp_transport_->SetRtcpMuxEnabled(rtcp_mux_filter_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1168 | // |rtcp_mux_filter_| can be active if |action| is CA_PRANSWER or |
zhihuang | b2cdd93 | 2017-01-19 16:54:25 -0800 | [diff] [blame] | 1169 | // CA_ANSWER, but we only want to tear down the RTCP transport if we received |
| 1170 | // a final answer. |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1171 | if (rtcp_mux_filter_.IsActive()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1172 | // If the RTP transport is already writable, then so are we. |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 1173 | if (rtp_transport_->rtp_packet_transport()->writable()) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1174 | ChannelWritable_n(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1175 | } |
| 1176 | } |
| 1177 | |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1178 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | bool BaseChannel::AddRecvStream_w(const StreamParams& sp) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1182 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
pbos | 482b12e | 2015-11-16 10:19:58 -0800 | [diff] [blame] | 1183 | return media_channel()->AddRecvStream(sp); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1184 | } |
| 1185 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 1186 | bool BaseChannel::RemoveRecvStream_w(uint32_t ssrc) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1187 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1188 | return media_channel()->RemoveRecvStream(ssrc); |
| 1189 | } |
| 1190 | |
| 1191 | bool BaseChannel::UpdateLocalStreams_w(const std::vector<StreamParams>& streams, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1192 | ContentAction action, |
| 1193 | std::string* error_desc) { |
nisse | 7ce109a | 2017-01-31 00:57:56 -0800 | [diff] [blame] | 1194 | if (!(action == CA_OFFER || action == CA_ANSWER || |
| 1195 | action == CA_PRANSWER || action == CA_UPDATE)) |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1196 | return false; |
| 1197 | |
| 1198 | // If this is an update, streams only contain streams that have changed. |
| 1199 | if (action == CA_UPDATE) { |
| 1200 | for (StreamParamsVec::const_iterator it = streams.begin(); |
| 1201 | it != streams.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1202 | const StreamParams* existing_stream = |
| 1203 | GetStreamByIds(local_streams_, it->groupid, it->id); |
| 1204 | if (!existing_stream && it->has_ssrcs()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1205 | if (media_channel()->AddSendStream(*it)) { |
| 1206 | local_streams_.push_back(*it); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1207 | RTC_LOG(LS_INFO) << "Add send stream ssrc: " << it->first_ssrc(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1208 | } else { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1209 | std::ostringstream desc; |
| 1210 | desc << "Failed to add send stream ssrc: " << it->first_ssrc(); |
| 1211 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1212 | return false; |
| 1213 | } |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1214 | } else if (existing_stream && !it->has_ssrcs()) { |
| 1215 | if (!media_channel()->RemoveSendStream(existing_stream->first_ssrc())) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1216 | std::ostringstream desc; |
| 1217 | desc << "Failed to remove send stream with ssrc " |
| 1218 | << it->first_ssrc() << "."; |
| 1219 | SafeSetError(desc.str(), error_desc); |
| 1220 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1221 | } |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1222 | RemoveStreamBySsrc(&local_streams_, existing_stream->first_ssrc()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1223 | } else { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1224 | RTC_LOG(LS_WARNING) << "Ignore unsupported stream update"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1225 | } |
| 1226 | } |
| 1227 | return true; |
| 1228 | } |
| 1229 | // Else streams are all the streams we want to send. |
| 1230 | |
| 1231 | // Check for streams that have been removed. |
| 1232 | bool ret = true; |
| 1233 | for (StreamParamsVec::const_iterator it = local_streams_.begin(); |
| 1234 | it != local_streams_.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1235 | if (!GetStreamBySsrc(streams, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1236 | if (!media_channel()->RemoveSendStream(it->first_ssrc())) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1237 | std::ostringstream desc; |
| 1238 | desc << "Failed to remove send stream with ssrc " |
| 1239 | << it->first_ssrc() << "."; |
| 1240 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1241 | ret = false; |
| 1242 | } |
| 1243 | } |
| 1244 | } |
| 1245 | // Check for new streams. |
| 1246 | for (StreamParamsVec::const_iterator it = streams.begin(); |
| 1247 | it != streams.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1248 | if (!GetStreamBySsrc(local_streams_, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1249 | if (media_channel()->AddSendStream(*it)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1250 | RTC_LOG(LS_INFO) << "Add send stream ssrc: " << it->ssrcs[0]; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1251 | } else { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1252 | std::ostringstream desc; |
| 1253 | desc << "Failed to add send stream ssrc: " << it->first_ssrc(); |
| 1254 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1255 | ret = false; |
| 1256 | } |
| 1257 | } |
| 1258 | } |
| 1259 | local_streams_ = streams; |
| 1260 | return ret; |
| 1261 | } |
| 1262 | |
| 1263 | bool BaseChannel::UpdateRemoteStreams_w( |
| 1264 | const std::vector<StreamParams>& streams, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1265 | ContentAction action, |
| 1266 | std::string* error_desc) { |
nisse | 7ce109a | 2017-01-31 00:57:56 -0800 | [diff] [blame] | 1267 | if (!(action == CA_OFFER || action == CA_ANSWER || |
| 1268 | action == CA_PRANSWER || action == CA_UPDATE)) |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1269 | return false; |
| 1270 | |
| 1271 | // If this is an update, streams only contain streams that have changed. |
| 1272 | if (action == CA_UPDATE) { |
| 1273 | for (StreamParamsVec::const_iterator it = streams.begin(); |
| 1274 | it != streams.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1275 | const StreamParams* existing_stream = |
| 1276 | GetStreamByIds(remote_streams_, it->groupid, it->id); |
| 1277 | if (!existing_stream && it->has_ssrcs()) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1278 | if (AddRecvStream_w(*it)) { |
| 1279 | remote_streams_.push_back(*it); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1280 | RTC_LOG(LS_INFO) << "Add remote stream ssrc: " << it->first_ssrc(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1281 | } else { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1282 | std::ostringstream desc; |
| 1283 | desc << "Failed to add remote stream ssrc: " << it->first_ssrc(); |
| 1284 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1285 | return false; |
| 1286 | } |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1287 | } else if (existing_stream && !it->has_ssrcs()) { |
| 1288 | if (!RemoveRecvStream_w(existing_stream->first_ssrc())) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1289 | std::ostringstream desc; |
| 1290 | desc << "Failed to remove remote stream with ssrc " |
| 1291 | << it->first_ssrc() << "."; |
| 1292 | SafeSetError(desc.str(), error_desc); |
| 1293 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1294 | } |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1295 | RemoveStreamBySsrc(&remote_streams_, existing_stream->first_ssrc()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1296 | } else { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1297 | RTC_LOG(LS_WARNING) |
| 1298 | << "Ignore unsupported stream update." |
| 1299 | << " Stream exists? " << (existing_stream != nullptr) |
| 1300 | << " new stream = " << it->ToString(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1301 | } |
| 1302 | } |
| 1303 | return true; |
| 1304 | } |
| 1305 | // Else streams are all the streams we want to receive. |
| 1306 | |
| 1307 | // Check for streams that have been removed. |
| 1308 | bool ret = true; |
| 1309 | for (StreamParamsVec::const_iterator it = remote_streams_.begin(); |
| 1310 | it != remote_streams_.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1311 | if (!GetStreamBySsrc(streams, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1312 | if (!RemoveRecvStream_w(it->first_ssrc())) { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1313 | std::ostringstream desc; |
| 1314 | desc << "Failed to remove remote stream with ssrc " |
| 1315 | << it->first_ssrc() << "."; |
| 1316 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1317 | ret = false; |
| 1318 | } |
| 1319 | } |
| 1320 | } |
| 1321 | // Check for new streams. |
| 1322 | for (StreamParamsVec::const_iterator it = streams.begin(); |
| 1323 | it != streams.end(); ++it) { |
tommi@webrtc.org | 586f2ed | 2015-01-22 23:00:41 +0000 | [diff] [blame] | 1324 | if (!GetStreamBySsrc(remote_streams_, it->first_ssrc())) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1325 | if (AddRecvStream_w(*it)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1326 | RTC_LOG(LS_INFO) << "Add remote ssrc: " << it->ssrcs[0]; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1327 | } else { |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1328 | std::ostringstream desc; |
| 1329 | desc << "Failed to add remote stream ssrc: " << it->first_ssrc(); |
| 1330 | SafeSetError(desc.str(), error_desc); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1331 | ret = false; |
| 1332 | } |
| 1333 | } |
| 1334 | } |
| 1335 | remote_streams_ = streams; |
| 1336 | return ret; |
| 1337 | } |
| 1338 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1339 | RtpHeaderExtensions BaseChannel::GetFilteredRtpHeaderExtensions( |
| 1340 | const RtpHeaderExtensions& extensions) { |
| 1341 | if (!rtp_dtls_transport_ || |
| 1342 | !rtp_dtls_transport_->crypto_options() |
| 1343 | .enable_encrypted_rtp_header_extensions) { |
| 1344 | RtpHeaderExtensions filtered; |
| 1345 | auto pred = [](const webrtc::RtpExtension& extension) { |
| 1346 | return !extension.encrypt; |
| 1347 | }; |
| 1348 | std::copy_if(extensions.begin(), extensions.end(), |
| 1349 | std::back_inserter(filtered), pred); |
| 1350 | return filtered; |
| 1351 | } |
| 1352 | |
| 1353 | return webrtc::RtpExtension::FilterDuplicateNonEncrypted(extensions); |
| 1354 | } |
| 1355 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1356 | void BaseChannel::MaybeCacheRtpAbsSendTimeHeaderExtension_w( |
isheriff | 6f8d686 | 2016-05-26 11:24:55 -0700 | [diff] [blame] | 1357 | const std::vector<webrtc::RtpExtension>& extensions) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1358 | // Absolute Send Time extension id is used only with external auth, |
| 1359 | // so do not bother searching for it and making asyncronious call to set |
| 1360 | // something that is not used. |
| 1361 | #if defined(ENABLE_EXTERNAL_AUTH) |
isheriff | 6f8d686 | 2016-05-26 11:24:55 -0700 | [diff] [blame] | 1362 | const webrtc::RtpExtension* send_time_extension = |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1363 | webrtc::RtpExtension::FindHeaderExtensionByUri( |
| 1364 | extensions, webrtc::RtpExtension::kAbsSendTimeUri); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1365 | int rtp_abs_sendtime_extn_id = |
henrike@webrtc.org | d43aa9d | 2014-02-21 23:43:24 +0000 | [diff] [blame] | 1366 | send_time_extension ? send_time_extension->id : -1; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1367 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1368 | RTC_FROM_HERE, network_thread_, |
| 1369 | Bind(&BaseChannel::CacheRtpAbsSendTimeHeaderExtension_n, this, |
| 1370 | rtp_abs_sendtime_extn_id)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1371 | #endif |
| 1372 | } |
| 1373 | |
| 1374 | void BaseChannel::CacheRtpAbsSendTimeHeaderExtension_n( |
| 1375 | int rtp_abs_sendtime_extn_id) { |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1376 | if (srtp_transport_) { |
| 1377 | srtp_transport_->CacheRtpAbsSendTimeHeaderExtension( |
| 1378 | rtp_abs_sendtime_extn_id); |
| 1379 | } else { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1380 | RTC_LOG(LS_WARNING) |
| 1381 | << "Trying to cache the Absolute Send Time extension id " |
| 1382 | "but the SRTP is not active."; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1383 | } |
henrike@webrtc.org | d43aa9d | 2014-02-21 23:43:24 +0000 | [diff] [blame] | 1384 | } |
| 1385 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1386 | void BaseChannel::OnMessage(rtc::Message *pmsg) { |
Peter Boström | 6f28cf0 | 2015-12-07 23:17:15 +0100 | [diff] [blame] | 1387 | TRACE_EVENT0("webrtc", "BaseChannel::OnMessage"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1388 | switch (pmsg->message_id) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1389 | case MSG_SEND_RTP_PACKET: |
| 1390 | case MSG_SEND_RTCP_PACKET: { |
| 1391 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 1392 | SendPacketMessageData* data = |
| 1393 | static_cast<SendPacketMessageData*>(pmsg->pdata); |
| 1394 | bool rtcp = pmsg->message_id == MSG_SEND_RTCP_PACKET; |
| 1395 | SendPacket(rtcp, &data->packet, data->options); |
| 1396 | delete data; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1397 | break; |
| 1398 | } |
| 1399 | case MSG_FIRSTPACKETRECEIVED: { |
| 1400 | SignalFirstPacketReceived(this); |
| 1401 | break; |
| 1402 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1403 | } |
| 1404 | } |
| 1405 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1406 | void BaseChannel::AddHandledPayloadType(int payload_type) { |
zstein | e8ab543 | 2017-07-12 11:48:11 -0700 | [diff] [blame] | 1407 | rtp_transport_->AddHandledPayloadType(payload_type); |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1408 | } |
| 1409 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1410 | void BaseChannel::FlushRtcpMessages_n() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1411 | // Flush all remaining RTCP messages. This should only be called in |
| 1412 | // destructor. |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1413 | RTC_DCHECK(network_thread_->IsCurrent()); |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1414 | rtc::MessageList rtcp_messages; |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1415 | network_thread_->Clear(this, MSG_SEND_RTCP_PACKET, &rtcp_messages); |
| 1416 | for (const auto& message : rtcp_messages) { |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1417 | network_thread_->Send(RTC_FROM_HERE, this, MSG_SEND_RTCP_PACKET, |
| 1418 | message.pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1419 | } |
| 1420 | } |
| 1421 | |
johan | d89ab14 | 2016-10-25 10:50:32 -0700 | [diff] [blame] | 1422 | void BaseChannel::SignalSentPacket_n( |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 1423 | rtc::PacketTransportInternal* /* transport */, |
johan | d89ab14 | 2016-10-25 10:50:32 -0700 | [diff] [blame] | 1424 | const rtc::SentPacket& sent_packet) { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1425 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 1426 | invoker_.AsyncInvoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1427 | RTC_FROM_HERE, worker_thread_, |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1428 | rtc::Bind(&BaseChannel::SignalSentPacket_w, this, sent_packet)); |
| 1429 | } |
| 1430 | |
| 1431 | void BaseChannel::SignalSentPacket_w(const rtc::SentPacket& sent_packet) { |
| 1432 | RTC_DCHECK(worker_thread_->IsCurrent()); |
| 1433 | SignalSentPacket(sent_packet); |
| 1434 | } |
| 1435 | |
| 1436 | VoiceChannel::VoiceChannel(rtc::Thread* worker_thread, |
| 1437 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1438 | rtc::Thread* signaling_thread, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1439 | MediaEngineInterface* media_engine, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1440 | std::unique_ptr<VoiceMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1441 | const std::string& content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 1442 | bool rtcp_mux_required, |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 1443 | bool srtp_required) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1444 | : BaseChannel(worker_thread, |
| 1445 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1446 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1447 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 1448 | content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 1449 | rtcp_mux_required, |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 1450 | srtp_required), |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1451 | media_engine_(media_engine) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1452 | |
| 1453 | VoiceChannel::~VoiceChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 1454 | TRACE_EVENT0("webrtc", "VoiceChannel::~VoiceChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1455 | StopAudioMonitor(); |
| 1456 | StopMediaMonitor(); |
| 1457 | // this can't be done in the base class, since it calls a virtual |
| 1458 | DisableMedia_w(); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 1459 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1460 | } |
| 1461 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 1462 | bool VoiceChannel::SetAudioSend(uint32_t ssrc, |
solenberg | dfc8f4f | 2015-10-01 02:31:10 -0700 | [diff] [blame] | 1463 | bool enable, |
solenberg | 1dd98f3 | 2015-09-10 01:57:14 -0700 | [diff] [blame] | 1464 | const AudioOptions* options, |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 1465 | AudioSource* source) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1466 | return InvokeOnWorker<bool>( |
| 1467 | RTC_FROM_HERE, Bind(&VoiceMediaChannel::SetAudioSend, media_channel(), |
| 1468 | ssrc, enable, options, source)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1469 | } |
| 1470 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1471 | // TODO(juberti): Handle early media the right way. We should get an explicit |
| 1472 | // ringing message telling us to start playing local ringback, which we cancel |
| 1473 | // if any early media actually arrives. For now, we do the opposite, which is |
| 1474 | // to wait 1 second for early media, and start playing local ringback if none |
| 1475 | // arrives. |
| 1476 | void VoiceChannel::SetEarlyMedia(bool enable) { |
| 1477 | if (enable) { |
| 1478 | // Start the early media timeout |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1479 | worker_thread()->PostDelayed(RTC_FROM_HERE, kEarlyMediaTimeout, this, |
| 1480 | MSG_EARLYMEDIATIMEOUT); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1481 | } else { |
| 1482 | // Stop the timeout if currently going. |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 1483 | worker_thread()->Clear(this, MSG_EARLYMEDIATIMEOUT); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1484 | } |
| 1485 | } |
| 1486 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1487 | bool VoiceChannel::CanInsertDtmf() { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1488 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1489 | RTC_FROM_HERE, Bind(&VoiceMediaChannel::CanInsertDtmf, media_channel())); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1490 | } |
| 1491 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 1492 | bool VoiceChannel::InsertDtmf(uint32_t ssrc, |
| 1493 | int event_code, |
solenberg | 1d63dd0 | 2015-12-02 12:35:09 -0800 | [diff] [blame] | 1494 | int duration) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1495 | return InvokeOnWorker<bool>( |
| 1496 | RTC_FROM_HERE, |
| 1497 | Bind(&VoiceChannel::InsertDtmf_w, this, ssrc, event_code, duration)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1498 | } |
| 1499 | |
solenberg | 4bac9c5 | 2015-10-09 02:32:53 -0700 | [diff] [blame] | 1500 | bool VoiceChannel::SetOutputVolume(uint32_t ssrc, double volume) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1501 | return InvokeOnWorker<bool>( |
| 1502 | RTC_FROM_HERE, |
| 1503 | Bind(&VoiceMediaChannel::SetOutputVolume, media_channel(), ssrc, volume)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1504 | } |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 1505 | |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 1506 | void VoiceChannel::SetRawAudioSink( |
| 1507 | uint32_t ssrc, |
kwiberg | 3102294 | 2016-03-11 14:18:21 -0800 | [diff] [blame] | 1508 | std::unique_ptr<webrtc::AudioSinkInterface> sink) { |
| 1509 | // We need to work around Bind's lack of support for unique_ptr and ownership |
deadbeef | 2d110be | 2016-01-13 12:00:26 -0800 | [diff] [blame] | 1510 | // passing. So we invoke to our own little routine that gets a pointer to |
| 1511 | // our local variable. This is OK since we're synchronously invoking. |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1512 | InvokeOnWorker<bool>(RTC_FROM_HERE, |
| 1513 | Bind(&SetRawAudioSink_w, media_channel(), ssrc, &sink)); |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 1514 | } |
| 1515 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1516 | webrtc::RtpParameters VoiceChannel::GetRtpSendParameters(uint32_t ssrc) const { |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1517 | return worker_thread()->Invoke<webrtc::RtpParameters>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1518 | RTC_FROM_HERE, Bind(&VoiceChannel::GetRtpSendParameters_w, this, ssrc)); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1519 | } |
| 1520 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1521 | webrtc::RtpParameters VoiceChannel::GetRtpSendParameters_w( |
| 1522 | uint32_t ssrc) const { |
| 1523 | return media_channel()->GetRtpSendParameters(ssrc); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1524 | } |
| 1525 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1526 | bool VoiceChannel::SetRtpSendParameters( |
| 1527 | uint32_t ssrc, |
| 1528 | const webrtc::RtpParameters& parameters) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1529 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1530 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1531 | Bind(&VoiceChannel::SetRtpSendParameters_w, this, ssrc, parameters)); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1532 | } |
| 1533 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1534 | bool VoiceChannel::SetRtpSendParameters_w(uint32_t ssrc, |
| 1535 | webrtc::RtpParameters parameters) { |
| 1536 | return media_channel()->SetRtpSendParameters(ssrc, parameters); |
| 1537 | } |
| 1538 | |
| 1539 | webrtc::RtpParameters VoiceChannel::GetRtpReceiveParameters( |
| 1540 | uint32_t ssrc) const { |
| 1541 | return worker_thread()->Invoke<webrtc::RtpParameters>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1542 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1543 | Bind(&VoiceChannel::GetRtpReceiveParameters_w, this, ssrc)); |
| 1544 | } |
| 1545 | |
| 1546 | webrtc::RtpParameters VoiceChannel::GetRtpReceiveParameters_w( |
| 1547 | uint32_t ssrc) const { |
| 1548 | return media_channel()->GetRtpReceiveParameters(ssrc); |
| 1549 | } |
| 1550 | |
| 1551 | bool VoiceChannel::SetRtpReceiveParameters( |
| 1552 | uint32_t ssrc, |
| 1553 | const webrtc::RtpParameters& parameters) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1554 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1555 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1556 | Bind(&VoiceChannel::SetRtpReceiveParameters_w, this, ssrc, parameters)); |
| 1557 | } |
| 1558 | |
| 1559 | bool VoiceChannel::SetRtpReceiveParameters_w(uint32_t ssrc, |
| 1560 | webrtc::RtpParameters parameters) { |
| 1561 | return media_channel()->SetRtpReceiveParameters(ssrc, parameters); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1562 | } |
| 1563 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1564 | bool VoiceChannel::GetStats(VoiceMediaInfo* stats) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1565 | return InvokeOnWorker<bool>(RTC_FROM_HERE, Bind(&VoiceMediaChannel::GetStats, |
| 1566 | media_channel(), stats)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1567 | } |
| 1568 | |
hbos | 8d609f6 | 2017-04-10 07:39:05 -0700 | [diff] [blame] | 1569 | std::vector<webrtc::RtpSource> VoiceChannel::GetSources(uint32_t ssrc) const { |
| 1570 | return worker_thread()->Invoke<std::vector<webrtc::RtpSource>>( |
zhihuang | 38ede13 | 2017-06-15 12:52:32 -0700 | [diff] [blame] | 1571 | RTC_FROM_HERE, Bind(&VoiceChannel::GetSources_w, this, ssrc)); |
| 1572 | } |
| 1573 | |
| 1574 | std::vector<webrtc::RtpSource> VoiceChannel::GetSources_w(uint32_t ssrc) const { |
| 1575 | RTC_DCHECK(worker_thread()->IsCurrent()); |
| 1576 | return media_channel()->GetSources(ssrc); |
hbos | 8d609f6 | 2017-04-10 07:39:05 -0700 | [diff] [blame] | 1577 | } |
| 1578 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1579 | void VoiceChannel::StartMediaMonitor(int cms) { |
| 1580 | media_monitor_.reset(new VoiceMediaMonitor(media_channel(), worker_thread(), |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1581 | rtc::Thread::Current())); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1582 | media_monitor_->SignalUpdate.connect( |
| 1583 | this, &VoiceChannel::OnMediaMonitorUpdate); |
| 1584 | media_monitor_->Start(cms); |
| 1585 | } |
| 1586 | |
| 1587 | void VoiceChannel::StopMediaMonitor() { |
| 1588 | if (media_monitor_) { |
| 1589 | media_monitor_->Stop(); |
| 1590 | media_monitor_->SignalUpdate.disconnect(this); |
| 1591 | media_monitor_.reset(); |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | void VoiceChannel::StartAudioMonitor(int cms) { |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1596 | audio_monitor_.reset(new AudioMonitor(this, rtc::Thread::Current())); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1597 | audio_monitor_ |
| 1598 | ->SignalUpdate.connect(this, &VoiceChannel::OnAudioMonitorUpdate); |
| 1599 | audio_monitor_->Start(cms); |
| 1600 | } |
| 1601 | |
| 1602 | void VoiceChannel::StopAudioMonitor() { |
| 1603 | if (audio_monitor_) { |
| 1604 | audio_monitor_->Stop(); |
| 1605 | audio_monitor_.reset(); |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | bool VoiceChannel::IsAudioMonitorRunning() const { |
| 1610 | return (audio_monitor_.get() != NULL); |
| 1611 | } |
| 1612 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1613 | int VoiceChannel::GetInputLevel_w() { |
Fredrik Solenberg | 0c02264 | 2015-08-05 12:25:22 +0200 | [diff] [blame] | 1614 | return media_engine_->GetInputLevel(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1615 | } |
| 1616 | |
| 1617 | int VoiceChannel::GetOutputLevel_w() { |
| 1618 | return media_channel()->GetOutputLevel(); |
| 1619 | } |
| 1620 | |
| 1621 | void VoiceChannel::GetActiveStreams_w(AudioInfo::StreamList* actives) { |
| 1622 | media_channel()->GetActiveStreams(actives); |
| 1623 | } |
| 1624 | |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1625 | void VoiceChannel::OnPacketReceived(bool rtcp, |
zstein | 634977b | 2017-07-14 12:30:04 -0700 | [diff] [blame] | 1626 | rtc::CopyOnWriteBuffer* packet, |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1627 | const rtc::PacketTime& packet_time) { |
| 1628 | BaseChannel::OnPacketReceived(rtcp, packet, packet_time); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1629 | // Set a flag when we've received an RTP packet. If we're waiting for early |
| 1630 | // media, this will disable the timeout. |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1631 | if (!received_media_ && !rtcp) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1632 | received_media_ = true; |
| 1633 | } |
| 1634 | } |
| 1635 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1636 | void BaseChannel::UpdateMediaSendRecvState() { |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1637 | RTC_DCHECK(network_thread_->IsCurrent()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1638 | invoker_.AsyncInvoke<void>( |
| 1639 | RTC_FROM_HERE, worker_thread_, |
| 1640 | Bind(&BaseChannel::UpdateMediaSendRecvState_w, this)); |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1641 | } |
| 1642 | |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 1643 | int BaseChannel::GetTransportOverheadPerPacket() const { |
| 1644 | RTC_DCHECK(network_thread_->IsCurrent()); |
| 1645 | |
| 1646 | if (!selected_candidate_pair_) |
| 1647 | return 0; |
| 1648 | |
| 1649 | int transport_overhead_per_packet = 0; |
| 1650 | |
| 1651 | constexpr int kIpv4Overhaed = 20; |
| 1652 | constexpr int kIpv6Overhaed = 40; |
| 1653 | transport_overhead_per_packet += |
| 1654 | selected_candidate_pair_->local_candidate().address().family() == AF_INET |
| 1655 | ? kIpv4Overhaed |
| 1656 | : kIpv6Overhaed; |
| 1657 | |
| 1658 | constexpr int kUdpOverhaed = 8; |
| 1659 | constexpr int kTcpOverhaed = 20; |
| 1660 | transport_overhead_per_packet += |
| 1661 | selected_candidate_pair_->local_candidate().protocol() == |
| 1662 | TCP_PROTOCOL_NAME |
| 1663 | ? kTcpOverhaed |
| 1664 | : kUdpOverhaed; |
| 1665 | |
Zhi Huang | 04eaa15 | 2017-10-04 14:08:30 -0700 | [diff] [blame] | 1666 | if (srtp_active()) { |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 1667 | int srtp_overhead = 0; |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 1668 | if (srtp_transport_->GetSrtpOverhead(&srtp_overhead)) |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 1669 | transport_overhead_per_packet += srtp_overhead; |
| 1670 | } |
| 1671 | |
| 1672 | return transport_overhead_per_packet; |
| 1673 | } |
| 1674 | |
| 1675 | void BaseChannel::UpdateTransportOverhead() { |
| 1676 | int transport_overhead_per_packet = GetTransportOverheadPerPacket(); |
| 1677 | if (transport_overhead_per_packet) |
| 1678 | invoker_.AsyncInvoke<void>( |
| 1679 | RTC_FROM_HERE, worker_thread_, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1680 | Bind(&MediaChannel::OnTransportOverheadChanged, media_channel_.get(), |
michaelt | 79e0588 | 2016-11-08 02:50:09 -0800 | [diff] [blame] | 1681 | transport_overhead_per_packet)); |
| 1682 | } |
| 1683 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1684 | void VoiceChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1685 | // Render incoming data if we're the active call, and we have the local |
| 1686 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1687 | bool recv = IsReadyToReceiveMedia_w(); |
solenberg | 5b14b42 | 2015-10-01 04:10:31 -0700 | [diff] [blame] | 1688 | media_channel()->SetPlayout(recv); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1689 | |
| 1690 | // Send outgoing data if we're the active call, we have the remote content, |
| 1691 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1692 | bool send = IsReadyToSendMedia_w(); |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 1693 | media_channel()->SetSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1694 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1695 | RTC_LOG(LS_INFO) << "Changing voice state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1696 | } |
| 1697 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1698 | bool VoiceChannel::SetLocalContent_w(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1699 | ContentAction action, |
| 1700 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 1701 | TRACE_EVENT0("webrtc", "VoiceChannel::SetLocalContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1702 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1703 | RTC_LOG(LS_INFO) << "Setting local voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1704 | |
| 1705 | const AudioContentDescription* audio = |
| 1706 | static_cast<const AudioContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1707 | RTC_DCHECK(audio != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1708 | if (!audio) { |
| 1709 | SafeSetError("Can't find audio content in local description.", error_desc); |
| 1710 | return false; |
| 1711 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1712 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1713 | RtpHeaderExtensions rtp_header_extensions = |
| 1714 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
| 1715 | |
| 1716 | if (!SetRtpTransportParameters(content, action, CS_LOCAL, |
| 1717 | rtp_header_extensions, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1718 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1719 | } |
| 1720 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1721 | AudioRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1722 | RtpParametersFromMediaDescription(audio, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1723 | if (!media_channel()->SetRecvParameters(recv_params)) { |
Peter Thatcher | bfab5cb | 2015-08-20 17:40:24 -0700 | [diff] [blame] | 1724 | SafeSetError("Failed to set local audio description recv parameters.", |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1725 | error_desc); |
| 1726 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1727 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1728 | for (const AudioCodec& codec : audio->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 1729 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1730 | } |
| 1731 | last_recv_params_ = recv_params; |
| 1732 | |
| 1733 | // TODO(pthatcher): Move local streams into AudioSendParameters, and |
| 1734 | // only give it to the media channel once we have a remote |
| 1735 | // description too (without a remote description, we won't be able |
| 1736 | // to send them anyway). |
| 1737 | if (!UpdateLocalStreams_w(audio->streams(), action, error_desc)) { |
| 1738 | SafeSetError("Failed to set local audio description streams.", error_desc); |
| 1739 | return false; |
| 1740 | } |
| 1741 | |
| 1742 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1743 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1744 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1745 | } |
| 1746 | |
| 1747 | bool VoiceChannel::SetRemoteContent_w(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1748 | ContentAction action, |
| 1749 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 1750 | TRACE_EVENT0("webrtc", "VoiceChannel::SetRemoteContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1751 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1752 | RTC_LOG(LS_INFO) << "Setting remote voice description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1753 | |
| 1754 | const AudioContentDescription* audio = |
| 1755 | static_cast<const AudioContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1756 | RTC_DCHECK(audio != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1757 | if (!audio) { |
| 1758 | SafeSetError("Can't find audio content in remote description.", error_desc); |
| 1759 | return false; |
| 1760 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1761 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1762 | RtpHeaderExtensions rtp_header_extensions = |
| 1763 | GetFilteredRtpHeaderExtensions(audio->rtp_header_extensions()); |
| 1764 | |
| 1765 | if (!SetRtpTransportParameters(content, action, CS_REMOTE, |
| 1766 | rtp_header_extensions, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1767 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1768 | } |
| 1769 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1770 | AudioSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1771 | RtpSendParametersFromMediaDescription(audio, rtp_header_extensions, |
| 1772 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1773 | if (audio->agc_minus_10db()) { |
Karl Wiberg | be57983 | 2015-11-10 22:34:18 +0100 | [diff] [blame] | 1774 | send_params.options.adjust_agc_delta = rtc::Optional<int>(kAgcMinus10db); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1775 | } |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1776 | |
| 1777 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 1778 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1779 | SafeSetError("Failed to set remote audio description send parameters.", |
| 1780 | error_desc); |
| 1781 | return false; |
| 1782 | } |
| 1783 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1784 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1785 | // TODO(pthatcher): Move remote streams into AudioRecvParameters, |
| 1786 | // and only give it to the media channel once we have a local |
| 1787 | // description too (without a local description, we won't be able to |
| 1788 | // recv them anyway). |
| 1789 | if (!UpdateRemoteStreams_w(audio->streams(), action, error_desc)) { |
| 1790 | SafeSetError("Failed to set remote audio description streams.", error_desc); |
| 1791 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1792 | } |
| 1793 | |
Peter Thatcher | bfab5cb | 2015-08-20 17:40:24 -0700 | [diff] [blame] | 1794 | if (audio->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1795 | MaybeCacheRtpAbsSendTimeHeaderExtension_w(rtp_header_extensions); |
Peter Thatcher | bfab5cb | 2015-08-20 17:40:24 -0700 | [diff] [blame] | 1796 | } |
| 1797 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1798 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1799 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 1800 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1801 | } |
| 1802 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1803 | void VoiceChannel::HandleEarlyMediaTimeout() { |
| 1804 | // This occurs on the main thread, not the worker thread. |
| 1805 | if (!received_media_) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1806 | RTC_LOG(LS_INFO) << "No early media received before timeout"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1807 | SignalEarlyMediaTimeout(this); |
| 1808 | } |
| 1809 | } |
| 1810 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 1811 | bool VoiceChannel::InsertDtmf_w(uint32_t ssrc, |
| 1812 | int event, |
solenberg | 1d63dd0 | 2015-12-02 12:35:09 -0800 | [diff] [blame] | 1813 | int duration) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1814 | if (!enabled()) { |
| 1815 | return false; |
| 1816 | } |
solenberg | 1d63dd0 | 2015-12-02 12:35:09 -0800 | [diff] [blame] | 1817 | return media_channel()->InsertDtmf(ssrc, event, duration); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1818 | } |
| 1819 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1820 | void VoiceChannel::OnMessage(rtc::Message *pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1821 | switch (pmsg->message_id) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1822 | case MSG_EARLYMEDIATIMEOUT: |
| 1823 | HandleEarlyMediaTimeout(); |
| 1824 | break; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1825 | case MSG_CHANNEL_ERROR: { |
| 1826 | VoiceChannelErrorMessageData* data = |
| 1827 | static_cast<VoiceChannelErrorMessageData*>(pmsg->pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1828 | delete data; |
| 1829 | break; |
| 1830 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1831 | default: |
| 1832 | BaseChannel::OnMessage(pmsg); |
| 1833 | break; |
| 1834 | } |
| 1835 | } |
| 1836 | |
| 1837 | void VoiceChannel::OnConnectionMonitorUpdate( |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 1838 | ConnectionMonitor* monitor, const std::vector<ConnectionInfo>& infos) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1839 | SignalConnectionMonitor(this, infos); |
| 1840 | } |
| 1841 | |
| 1842 | void VoiceChannel::OnMediaMonitorUpdate( |
| 1843 | VoiceMediaChannel* media_channel, const VoiceMediaInfo& info) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1844 | RTC_DCHECK(media_channel == this->media_channel()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1845 | SignalMediaMonitor(this, info); |
| 1846 | } |
| 1847 | |
| 1848 | void VoiceChannel::OnAudioMonitorUpdate(AudioMonitor* monitor, |
| 1849 | const AudioInfo& info) { |
| 1850 | SignalAudioMonitor(this, info); |
| 1851 | } |
| 1852 | |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1853 | VideoChannel::VideoChannel(rtc::Thread* worker_thread, |
| 1854 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1855 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1856 | std::unique_ptr<VideoMediaChannel> media_channel, |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1857 | const std::string& content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 1858 | bool rtcp_mux_required, |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 1859 | bool srtp_required) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1860 | : BaseChannel(worker_thread, |
| 1861 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 1862 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 1863 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 1864 | content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 1865 | rtcp_mux_required, |
deadbeef | 7af91dd | 2016-12-13 11:29:11 -0800 | [diff] [blame] | 1866 | srtp_required) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1867 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1868 | VideoChannel::~VideoChannel() { |
Peter Boström | ca8b404 | 2016-03-08 14:24:13 -0800 | [diff] [blame] | 1869 | TRACE_EVENT0("webrtc", "VideoChannel::~VideoChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1870 | StopMediaMonitor(); |
| 1871 | // this can't be done in the base class, since it calls a virtual |
| 1872 | DisableMedia_w(); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 1873 | |
| 1874 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1875 | } |
| 1876 | |
nisse | 08582ff | 2016-02-04 01:24:52 -0800 | [diff] [blame] | 1877 | bool VideoChannel::SetSink(uint32_t ssrc, |
nisse | acd935b | 2016-11-11 03:55:13 -0800 | [diff] [blame] | 1878 | rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) { |
nisse | 08582ff | 2016-02-04 01:24:52 -0800 | [diff] [blame] | 1879 | worker_thread()->Invoke<void>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1880 | RTC_FROM_HERE, |
nisse | 08582ff | 2016-02-04 01:24:52 -0800 | [diff] [blame] | 1881 | Bind(&VideoMediaChannel::SetSink, media_channel(), ssrc, sink)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1882 | return true; |
| 1883 | } |
| 1884 | |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 1885 | bool VideoChannel::SetVideoSend( |
nisse | 2ded9b1 | 2016-04-08 02:23:55 -0700 | [diff] [blame] | 1886 | uint32_t ssrc, |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 1887 | bool mute, |
| 1888 | const VideoOptions* options, |
nisse | acd935b | 2016-11-11 03:55:13 -0800 | [diff] [blame] | 1889 | rtc::VideoSourceInterface<webrtc::VideoFrame>* source) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1890 | return InvokeOnWorker<bool>( |
| 1891 | RTC_FROM_HERE, Bind(&VideoMediaChannel::SetVideoSend, media_channel(), |
| 1892 | ssrc, mute, options, source)); |
solenberg | 1dd98f3 | 2015-09-10 01:57:14 -0700 | [diff] [blame] | 1893 | } |
| 1894 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1895 | webrtc::RtpParameters VideoChannel::GetRtpSendParameters(uint32_t ssrc) const { |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1896 | return worker_thread()->Invoke<webrtc::RtpParameters>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1897 | RTC_FROM_HERE, Bind(&VideoChannel::GetRtpSendParameters_w, this, ssrc)); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1898 | } |
| 1899 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1900 | webrtc::RtpParameters VideoChannel::GetRtpSendParameters_w( |
| 1901 | uint32_t ssrc) const { |
| 1902 | return media_channel()->GetRtpSendParameters(ssrc); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1903 | } |
| 1904 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1905 | bool VideoChannel::SetRtpSendParameters( |
| 1906 | uint32_t ssrc, |
| 1907 | const webrtc::RtpParameters& parameters) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1908 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1909 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1910 | Bind(&VideoChannel::SetRtpSendParameters_w, this, ssrc, parameters)); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1911 | } |
| 1912 | |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1913 | bool VideoChannel::SetRtpSendParameters_w(uint32_t ssrc, |
| 1914 | webrtc::RtpParameters parameters) { |
| 1915 | return media_channel()->SetRtpSendParameters(ssrc, parameters); |
| 1916 | } |
| 1917 | |
| 1918 | webrtc::RtpParameters VideoChannel::GetRtpReceiveParameters( |
| 1919 | uint32_t ssrc) const { |
| 1920 | return worker_thread()->Invoke<webrtc::RtpParameters>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1921 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1922 | Bind(&VideoChannel::GetRtpReceiveParameters_w, this, ssrc)); |
| 1923 | } |
| 1924 | |
| 1925 | webrtc::RtpParameters VideoChannel::GetRtpReceiveParameters_w( |
| 1926 | uint32_t ssrc) const { |
| 1927 | return media_channel()->GetRtpReceiveParameters(ssrc); |
| 1928 | } |
| 1929 | |
| 1930 | bool VideoChannel::SetRtpReceiveParameters( |
| 1931 | uint32_t ssrc, |
| 1932 | const webrtc::RtpParameters& parameters) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1933 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 1934 | RTC_FROM_HERE, |
Taylor Brandstetter | db0cd9e | 2016-05-16 11:40:30 -0700 | [diff] [blame] | 1935 | Bind(&VideoChannel::SetRtpReceiveParameters_w, this, ssrc, parameters)); |
| 1936 | } |
| 1937 | |
| 1938 | bool VideoChannel::SetRtpReceiveParameters_w(uint32_t ssrc, |
| 1939 | webrtc::RtpParameters parameters) { |
| 1940 | return media_channel()->SetRtpReceiveParameters(ssrc, parameters); |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 1941 | } |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 1942 | |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1943 | void VideoChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1944 | // Send outgoing data if we're the active call, we have the remote content, |
| 1945 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1946 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1947 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1948 | RTC_LOG(LS_ERROR) << "Failed to SetSend on video channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1949 | // TODO(gangji): Report error back to server. |
| 1950 | } |
| 1951 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1952 | RTC_LOG(LS_INFO) << "Changing video state, send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1953 | } |
| 1954 | |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1955 | void VideoChannel::FillBitrateInfo(BandwidthEstimationInfo* bwe_info) { |
| 1956 | InvokeOnWorker<void>(RTC_FROM_HERE, Bind(&VideoMediaChannel::FillBitrateInfo, |
| 1957 | media_channel(), bwe_info)); |
| 1958 | } |
| 1959 | |
pbos@webrtc.org | 058b1f1 | 2015-03-04 08:54:32 +0000 | [diff] [blame] | 1960 | bool VideoChannel::GetStats(VideoMediaInfo* stats) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 1961 | return InvokeOnWorker<bool>(RTC_FROM_HERE, Bind(&VideoMediaChannel::GetStats, |
| 1962 | media_channel(), stats)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1963 | } |
| 1964 | |
| 1965 | void VideoChannel::StartMediaMonitor(int cms) { |
| 1966 | media_monitor_.reset(new VideoMediaMonitor(media_channel(), worker_thread(), |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 1967 | rtc::Thread::Current())); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1968 | media_monitor_->SignalUpdate.connect( |
| 1969 | this, &VideoChannel::OnMediaMonitorUpdate); |
| 1970 | media_monitor_->Start(cms); |
| 1971 | } |
| 1972 | |
| 1973 | void VideoChannel::StopMediaMonitor() { |
| 1974 | if (media_monitor_) { |
| 1975 | media_monitor_->Stop(); |
| 1976 | media_monitor_.reset(); |
| 1977 | } |
| 1978 | } |
| 1979 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1980 | bool VideoChannel::SetLocalContent_w(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1981 | ContentAction action, |
| 1982 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 1983 | TRACE_EVENT0("webrtc", "VideoChannel::SetLocalContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1984 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 1985 | RTC_LOG(LS_INFO) << "Setting local video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1986 | |
| 1987 | const VideoContentDescription* video = |
| 1988 | static_cast<const VideoContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 1989 | RTC_DCHECK(video != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 1990 | if (!video) { |
| 1991 | SafeSetError("Can't find video content in local description.", error_desc); |
| 1992 | return false; |
| 1993 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1994 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 1995 | RtpHeaderExtensions rtp_header_extensions = |
| 1996 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
| 1997 | |
| 1998 | if (!SetRtpTransportParameters(content, action, CS_LOCAL, |
| 1999 | rtp_header_extensions, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2000 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2001 | } |
| 2002 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2003 | VideoRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2004 | RtpParametersFromMediaDescription(video, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2005 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 2006 | SafeSetError("Failed to set local video description recv parameters.", |
| 2007 | error_desc); |
| 2008 | return false; |
| 2009 | } |
| 2010 | for (const VideoCodec& codec : video->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 2011 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2012 | } |
| 2013 | last_recv_params_ = recv_params; |
| 2014 | |
| 2015 | // TODO(pthatcher): Move local streams into VideoSendParameters, and |
| 2016 | // only give it to the media channel once we have a remote |
| 2017 | // description too (without a remote description, we won't be able |
| 2018 | // to send them anyway). |
| 2019 | if (!UpdateLocalStreams_w(video->streams(), action, error_desc)) { |
| 2020 | SafeSetError("Failed to set local video description streams.", error_desc); |
| 2021 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2022 | } |
| 2023 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2024 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2025 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2026 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2027 | } |
| 2028 | |
| 2029 | bool VideoChannel::SetRemoteContent_w(const MediaContentDescription* content, |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 2030 | ContentAction action, |
| 2031 | std::string* error_desc) { |
Peter Boström | 9f45a45 | 2015-12-08 13:25:57 +0100 | [diff] [blame] | 2032 | TRACE_EVENT0("webrtc", "VideoChannel::SetRemoteContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2033 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2034 | RTC_LOG(LS_INFO) << "Setting remote video description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2035 | |
| 2036 | const VideoContentDescription* video = |
| 2037 | static_cast<const VideoContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2038 | RTC_DCHECK(video != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 2039 | if (!video) { |
| 2040 | SafeSetError("Can't find video content in remote description.", error_desc); |
| 2041 | return false; |
| 2042 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2043 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2044 | RtpHeaderExtensions rtp_header_extensions = |
| 2045 | GetFilteredRtpHeaderExtensions(video->rtp_header_extensions()); |
| 2046 | |
| 2047 | if (!SetRtpTransportParameters(content, action, CS_REMOTE, |
| 2048 | rtp_header_extensions, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2049 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2050 | } |
| 2051 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2052 | VideoSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2053 | RtpSendParametersFromMediaDescription(video, rtp_header_extensions, |
| 2054 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2055 | if (video->conference_mode()) { |
nisse | 4b4dc86 | 2016-02-17 05:25:36 -0800 | [diff] [blame] | 2056 | send_params.conference_mode = true; |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2057 | } |
skvlad | dc1c62c | 2016-03-16 19:07:43 -0700 | [diff] [blame] | 2058 | |
| 2059 | bool parameters_applied = media_channel()->SetSendParameters(send_params); |
| 2060 | |
| 2061 | if (!parameters_applied) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2062 | SafeSetError("Failed to set remote video description send parameters.", |
| 2063 | error_desc); |
| 2064 | return false; |
| 2065 | } |
| 2066 | last_send_params_ = send_params; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2067 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2068 | // TODO(pthatcher): Move remote streams into VideoRecvParameters, |
| 2069 | // and only give it to the media channel once we have a local |
| 2070 | // description too (without a local description, we won't be able to |
| 2071 | // recv them anyway). |
| 2072 | if (!UpdateRemoteStreams_w(video->streams(), action, error_desc)) { |
| 2073 | SafeSetError("Failed to set remote video description streams.", error_desc); |
| 2074 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2075 | } |
| 2076 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2077 | if (video->rtp_header_extensions_set()) { |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2078 | MaybeCacheRtpAbsSendTimeHeaderExtension_w(rtp_header_extensions); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2079 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2080 | |
| 2081 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2082 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2083 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2084 | } |
| 2085 | |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 2086 | void VideoChannel::OnMessage(rtc::Message *pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2087 | switch (pmsg->message_id) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2088 | case MSG_CHANNEL_ERROR: { |
| 2089 | const VideoChannelErrorMessageData* data = |
| 2090 | static_cast<VideoChannelErrorMessageData*>(pmsg->pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2091 | delete data; |
| 2092 | break; |
| 2093 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2094 | default: |
| 2095 | BaseChannel::OnMessage(pmsg); |
| 2096 | break; |
| 2097 | } |
| 2098 | } |
| 2099 | |
| 2100 | void VideoChannel::OnConnectionMonitorUpdate( |
pthatcher@webrtc.org | b4aac13 | 2015-03-13 18:25:21 +0000 | [diff] [blame] | 2101 | ConnectionMonitor* monitor, const std::vector<ConnectionInfo> &infos) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2102 | SignalConnectionMonitor(this, infos); |
| 2103 | } |
| 2104 | |
| 2105 | // TODO(pthatcher): Look into removing duplicate code between |
| 2106 | // audio, video, and data, perhaps by using templates. |
| 2107 | void VideoChannel::OnMediaMonitorUpdate( |
| 2108 | VideoMediaChannel* media_channel, const VideoMediaInfo &info) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2109 | RTC_DCHECK(media_channel == this->media_channel()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2110 | SignalMediaMonitor(this, info); |
| 2111 | } |
| 2112 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2113 | RtpDataChannel::RtpDataChannel(rtc::Thread* worker_thread, |
| 2114 | rtc::Thread* network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 2115 | rtc::Thread* signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 2116 | std::unique_ptr<DataMediaChannel> media_channel, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2117 | const std::string& content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 2118 | bool rtcp_mux_required, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2119 | bool srtp_required) |
Danil Chapovalov | 33b01f2 | 2016-05-11 19:55:27 +0200 | [diff] [blame] | 2120 | : BaseChannel(worker_thread, |
| 2121 | network_thread, |
zhihuang | f5b251b | 2017-01-12 19:37:48 -0800 | [diff] [blame] | 2122 | signaling_thread, |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 2123 | std::move(media_channel), |
deadbeef | cbecd35 | 2015-09-23 11:50:27 -0700 | [diff] [blame] | 2124 | content_name, |
deadbeef | ac22f70 | 2017-01-12 21:59:29 -0800 | [diff] [blame] | 2125 | rtcp_mux_required, |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2126 | srtp_required) {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2127 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2128 | RtpDataChannel::~RtpDataChannel() { |
| 2129 | TRACE_EVENT0("webrtc", "RtpDataChannel::~RtpDataChannel"); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2130 | StopMediaMonitor(); |
| 2131 | // this can't be done in the base class, since it calls a virtual |
| 2132 | DisableMedia_w(); |
wu@webrtc.org | 7818752 | 2013-10-07 23:32:02 +0000 | [diff] [blame] | 2133 | |
| 2134 | Deinit(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2135 | } |
| 2136 | |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 2137 | void RtpDataChannel::Init_w( |
deadbeef | f534659 | 2017-01-24 21:51:21 -0800 | [diff] [blame] | 2138 | DtlsTransportInternal* rtp_dtls_transport, |
| 2139 | DtlsTransportInternal* rtcp_dtls_transport, |
deadbeef | 5bd5ca3 | 2017-02-10 11:31:50 -0800 | [diff] [blame] | 2140 | rtc::PacketTransportInternal* rtp_packet_transport, |
| 2141 | rtc::PacketTransportInternal* rtcp_packet_transport) { |
Steve Anton | 8699a32 | 2017-11-06 15:53:33 -0800 | [diff] [blame] | 2142 | BaseChannel::Init_w(rtp_dtls_transport, rtcp_dtls_transport, |
| 2143 | rtp_packet_transport, rtcp_packet_transport); |
| 2144 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2145 | media_channel()->SignalDataReceived.connect(this, |
| 2146 | &RtpDataChannel::OnDataReceived); |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 2147 | media_channel()->SignalReadyToSend.connect( |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2148 | this, &RtpDataChannel::OnDataChannelReadyToSend); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2149 | } |
| 2150 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2151 | bool RtpDataChannel::SendData(const SendDataParams& params, |
| 2152 | const rtc::CopyOnWriteBuffer& payload, |
| 2153 | SendDataResult* result) { |
stefan | f79ade1 | 2017-06-02 06:44:03 -0700 | [diff] [blame] | 2154 | return InvokeOnWorker<bool>( |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 2155 | RTC_FROM_HERE, Bind(&DataMediaChannel::SendData, media_channel(), params, |
| 2156 | payload, result)); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2157 | } |
| 2158 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2159 | bool RtpDataChannel::CheckDataChannelTypeFromContent( |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 2160 | const DataContentDescription* content, |
| 2161 | std::string* error_desc) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2162 | bool is_sctp = ((content->protocol() == kMediaProtocolSctp) || |
| 2163 | (content->protocol() == kMediaProtocolDtlsSctp)); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2164 | // It's been set before, but doesn't match. That's bad. |
| 2165 | if (is_sctp) { |
| 2166 | SafeSetError("Data channel type mismatch. Expected RTP, got SCTP.", |
| 2167 | error_desc); |
| 2168 | return false; |
| 2169 | } |
| 2170 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2171 | } |
| 2172 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2173 | bool RtpDataChannel::SetLocalContent_w(const MediaContentDescription* content, |
| 2174 | ContentAction action, |
| 2175 | std::string* error_desc) { |
| 2176 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetLocalContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2177 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2178 | RTC_LOG(LS_INFO) << "Setting local data description"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2179 | |
| 2180 | const DataContentDescription* data = |
| 2181 | static_cast<const DataContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2182 | RTC_DCHECK(data != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 2183 | if (!data) { |
| 2184 | SafeSetError("Can't find data content in local description.", error_desc); |
| 2185 | return false; |
| 2186 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2187 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2188 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2189 | return false; |
| 2190 | } |
| 2191 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2192 | RtpHeaderExtensions rtp_header_extensions = |
| 2193 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 2194 | |
| 2195 | if (!SetRtpTransportParameters(content, action, CS_LOCAL, |
| 2196 | rtp_header_extensions, error_desc)) { |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2197 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2198 | } |
| 2199 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2200 | DataRecvParameters recv_params = last_recv_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2201 | RtpParametersFromMediaDescription(data, rtp_header_extensions, &recv_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2202 | if (!media_channel()->SetRecvParameters(recv_params)) { |
| 2203 | SafeSetError("Failed to set remote data description recv parameters.", |
| 2204 | error_desc); |
| 2205 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2206 | } |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2207 | for (const DataCodec& codec : data->codecs()) { |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 2208 | AddHandledPayloadType(codec.id); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2209 | } |
| 2210 | last_recv_params_ = recv_params; |
| 2211 | |
| 2212 | // TODO(pthatcher): Move local streams into DataSendParameters, and |
| 2213 | // only give it to the media channel once we have a remote |
| 2214 | // description too (without a remote description, we won't be able |
| 2215 | // to send them anyway). |
| 2216 | if (!UpdateLocalStreams_w(data->streams(), action, error_desc)) { |
| 2217 | SafeSetError("Failed to set local data description streams.", error_desc); |
| 2218 | return false; |
| 2219 | } |
| 2220 | |
| 2221 | set_local_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2222 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2223 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2224 | } |
| 2225 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2226 | bool RtpDataChannel::SetRemoteContent_w(const MediaContentDescription* content, |
| 2227 | ContentAction action, |
| 2228 | std::string* error_desc) { |
| 2229 | TRACE_EVENT0("webrtc", "RtpDataChannel::SetRemoteContent_w"); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2230 | RTC_DCHECK(worker_thread() == rtc::Thread::Current()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2231 | |
| 2232 | const DataContentDescription* data = |
| 2233 | static_cast<const DataContentDescription*>(content); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2234 | RTC_DCHECK(data != NULL); |
sergeyu@chromium.org | 4b26e2e | 2014-01-15 23:15:54 +0000 | [diff] [blame] | 2235 | if (!data) { |
| 2236 | SafeSetError("Can't find data content in remote description.", error_desc); |
| 2237 | return false; |
| 2238 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2239 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2240 | // If the remote data doesn't have codecs and isn't an update, it |
| 2241 | // must be empty, so ignore it. |
| 2242 | if (!data->has_codecs() && action != CA_UPDATE) { |
| 2243 | return true; |
| 2244 | } |
| 2245 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2246 | if (!CheckDataChannelTypeFromContent(data, error_desc)) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2247 | return false; |
| 2248 | } |
| 2249 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2250 | RtpHeaderExtensions rtp_header_extensions = |
| 2251 | GetFilteredRtpHeaderExtensions(data->rtp_header_extensions()); |
| 2252 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2253 | RTC_LOG(LS_INFO) << "Setting remote data description"; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2254 | if (!SetRtpTransportParameters(content, action, CS_REMOTE, |
| 2255 | rtp_header_extensions, error_desc)) { |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2256 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2257 | } |
| 2258 | |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2259 | DataSendParameters send_params = last_send_params_; |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 2260 | RtpSendParametersFromMediaDescription<DataCodec>(data, rtp_header_extensions, |
| 2261 | &send_params); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2262 | if (!media_channel()->SetSendParameters(send_params)) { |
| 2263 | SafeSetError("Failed to set remote data description send parameters.", |
| 2264 | error_desc); |
| 2265 | return false; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2266 | } |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2267 | last_send_params_ = send_params; |
| 2268 | |
| 2269 | // TODO(pthatcher): Move remote streams into DataRecvParameters, |
| 2270 | // and only give it to the media channel once we have a local |
| 2271 | // description too (without a local description, we won't be able to |
| 2272 | // recv them anyway). |
| 2273 | if (!UpdateRemoteStreams_w(data->streams(), action, error_desc)) { |
| 2274 | SafeSetError("Failed to set remote data description streams.", |
| 2275 | error_desc); |
| 2276 | return false; |
| 2277 | } |
| 2278 | |
| 2279 | set_remote_content_direction(content->direction()); |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2280 | UpdateMediaSendRecvState_w(); |
Peter Thatcher | c2ee2c8 | 2015-08-07 16:05:34 -0700 | [diff] [blame] | 2281 | return true; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2282 | } |
| 2283 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2284 | void RtpDataChannel::UpdateMediaSendRecvState_w() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2285 | // Render incoming data if we're the active call, and we have the local |
| 2286 | // content. We receive data on the default channel and multiplexed streams. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2287 | bool recv = IsReadyToReceiveMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2288 | if (!media_channel()->SetReceive(recv)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2289 | RTC_LOG(LS_ERROR) << "Failed to SetReceive on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2290 | } |
| 2291 | |
| 2292 | // Send outgoing data if we're the active call, we have the remote content, |
| 2293 | // and we have had some form of connectivity. |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2294 | bool send = IsReadyToSendMedia_w(); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2295 | if (!media_channel()->SetSend(send)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2296 | RTC_LOG(LS_ERROR) << "Failed to SetSend on data channel"; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2297 | } |
| 2298 | |
sergeyu@chromium.org | 9cf037b | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 2299 | // Trigger SignalReadyToSendData asynchronously. |
| 2300 | OnDataChannelReadyToSend(send); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2301 | |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame^] | 2302 | RTC_LOG(LS_INFO) << "Changing data state, recv=" << recv << " send=" << send; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2303 | } |
| 2304 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2305 | void RtpDataChannel::OnMessage(rtc::Message* pmsg) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2306 | switch (pmsg->message_id) { |
| 2307 | case MSG_READYTOSENDDATA: { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 2308 | DataChannelReadyToSendMessageData* data = |
| 2309 | static_cast<DataChannelReadyToSendMessageData*>(pmsg->pdata); |
wu@webrtc.org | 07a6fbe | 2013-11-04 18:41:34 +0000 | [diff] [blame] | 2310 | ready_to_send_data_ = data->data(); |
| 2311 | SignalReadyToSendData(ready_to_send_data_); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2312 | delete data; |
| 2313 | break; |
| 2314 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2315 | case MSG_DATARECEIVED: { |
| 2316 | DataReceivedMessageData* data = |
| 2317 | static_cast<DataReceivedMessageData*>(pmsg->pdata); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2318 | SignalDataReceived(data->params, data->payload); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2319 | delete data; |
| 2320 | break; |
| 2321 | } |
| 2322 | case MSG_CHANNEL_ERROR: { |
| 2323 | const DataChannelErrorMessageData* data = |
| 2324 | static_cast<DataChannelErrorMessageData*>(pmsg->pdata); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2325 | delete data; |
| 2326 | break; |
| 2327 | } |
| 2328 | default: |
| 2329 | BaseChannel::OnMessage(pmsg); |
| 2330 | break; |
| 2331 | } |
| 2332 | } |
| 2333 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2334 | void RtpDataChannel::OnConnectionMonitorUpdate( |
| 2335 | ConnectionMonitor* monitor, |
| 2336 | const std::vector<ConnectionInfo>& infos) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2337 | SignalConnectionMonitor(this, infos); |
| 2338 | } |
| 2339 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2340 | void RtpDataChannel::StartMediaMonitor(int cms) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2341 | media_monitor_.reset(new DataMediaMonitor(media_channel(), worker_thread(), |
buildbot@webrtc.org | d4e598d | 2014-07-29 17:36:52 +0000 | [diff] [blame] | 2342 | rtc::Thread::Current())); |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2343 | media_monitor_->SignalUpdate.connect(this, |
| 2344 | &RtpDataChannel::OnMediaMonitorUpdate); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2345 | media_monitor_->Start(cms); |
| 2346 | } |
| 2347 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2348 | void RtpDataChannel::StopMediaMonitor() { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2349 | if (media_monitor_) { |
| 2350 | media_monitor_->Stop(); |
| 2351 | media_monitor_->SignalUpdate.disconnect(this); |
| 2352 | media_monitor_.reset(); |
| 2353 | } |
| 2354 | } |
| 2355 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2356 | void RtpDataChannel::OnMediaMonitorUpdate(DataMediaChannel* media_channel, |
| 2357 | const DataMediaInfo& info) { |
Taylor Brandstetter | bad33bf | 2016-08-25 13:31:14 -0700 | [diff] [blame] | 2358 | RTC_DCHECK(media_channel == this->media_channel()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2359 | SignalMediaMonitor(this, info); |
| 2360 | } |
| 2361 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2362 | void RtpDataChannel::OnDataReceived(const ReceiveDataParams& params, |
| 2363 | const char* data, |
| 2364 | size_t len) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2365 | DataReceivedMessageData* msg = new DataReceivedMessageData( |
| 2366 | params, data, len); |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 2367 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_DATARECEIVED, msg); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2368 | } |
| 2369 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2370 | void RtpDataChannel::OnDataChannelError(uint32_t ssrc, |
| 2371 | DataMediaChannel::Error err) { |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2372 | DataChannelErrorMessageData* data = new DataChannelErrorMessageData( |
| 2373 | ssrc, err); |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 2374 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_CHANNEL_ERROR, data); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
deadbeef | 953c2ce | 2017-01-09 14:53:41 -0800 | [diff] [blame] | 2377 | void RtpDataChannel::OnDataChannelReadyToSend(bool writable) { |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 2378 | // This is usded for congestion control to indicate that the stream is ready |
| 2379 | // to send by the MediaChannel, as opposed to OnReadyToSend, which indicates |
| 2380 | // that the transport channel is ready. |
Taylor Brandstetter | 5d97a9a | 2016-06-10 14:17:27 -0700 | [diff] [blame] | 2381 | signaling_thread()->Post(RTC_FROM_HERE, this, MSG_READYTOSENDDATA, |
wu@webrtc.org | d64719d | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 2382 | new DataChannelReadyToSendMessageData(writable)); |
| 2383 | } |
| 2384 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 2385 | } // namespace cricket |