deadbeef | 6979b02 | 2015-09-24 16:47:53 -0700 | [diff] [blame] | 1 | /* |
kjellander | b24317b | 2016-02-10 07:54:43 -0800 | [diff] [blame] | 2 | * Copyright 2015 The WebRTC project authors. All Rights Reserved. |
deadbeef | 6979b02 | 2015-09-24 16:47:53 -0700 | [diff] [blame] | 3 | * |
kjellander | b24317b | 2016-02-10 07:54:43 -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. |
deadbeef | 6979b02 | 2015-09-24 16:47:53 -0700 | [diff] [blame] | 9 | */ |
| 10 | |
ossu | 7bb87ee | 2017-01-23 04:56:25 -0800 | [diff] [blame] | 11 | #include "webrtc/pc/rtpsender.h" |
deadbeef | 6979b02 | 2015-09-24 16:47:53 -0700 | [diff] [blame] | 12 | |
perkj | 9e083d2 | 2016-03-20 09:38:40 -0700 | [diff] [blame] | 13 | #include "webrtc/api/mediastreaminterface.h" |
ossu | 7bb87ee | 2017-01-23 04:56:25 -0800 | [diff] [blame] | 14 | #include "webrtc/pc/localaudiosource.h" |
Edward Lemur | c20978e | 2017-07-06 19:44:34 +0200 | [diff] [blame] | 15 | #include "webrtc/rtc_base/checks.h" |
| 16 | #include "webrtc/rtc_base/helpers.h" |
| 17 | #include "webrtc/rtc_base/trace_event.h" |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 18 | |
| 19 | namespace webrtc { |
| 20 | |
| 21 | LocalAudioSinkAdapter::LocalAudioSinkAdapter() : sink_(nullptr) {} |
| 22 | |
| 23 | LocalAudioSinkAdapter::~LocalAudioSinkAdapter() { |
| 24 | rtc::CritScope lock(&lock_); |
| 25 | if (sink_) |
| 26 | sink_->OnClose(); |
| 27 | } |
| 28 | |
| 29 | void LocalAudioSinkAdapter::OnData(const void* audio_data, |
| 30 | int bits_per_sample, |
| 31 | int sample_rate, |
Peter Kasting | 6955870 | 2016-01-12 16:26:35 -0800 | [diff] [blame] | 32 | size_t number_of_channels, |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 33 | size_t number_of_frames) { |
| 34 | rtc::CritScope lock(&lock_); |
| 35 | if (sink_) { |
| 36 | sink_->OnData(audio_data, bits_per_sample, sample_rate, number_of_channels, |
| 37 | number_of_frames); |
| 38 | } |
| 39 | } |
| 40 | |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 41 | void LocalAudioSinkAdapter::SetSink(cricket::AudioSource::Sink* sink) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 42 | rtc::CritScope lock(&lock_); |
nisse | ede5da4 | 2017-01-12 05:15:36 -0800 | [diff] [blame] | 43 | RTC_DCHECK(!sink || !sink_); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 44 | sink_ = sink; |
| 45 | } |
| 46 | |
| 47 | AudioRtpSender::AudioRtpSender(AudioTrackInterface* track, |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 48 | const std::string& stream_id, |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 49 | cricket::VoiceChannel* channel, |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 50 | StatsCollector* stats) |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 51 | : id_(track->id()), |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 52 | stream_id_(stream_id), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 53 | channel_(channel), |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 54 | stats_(stats), |
| 55 | track_(track), |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 56 | cached_track_enabled_(track->enabled()), |
| 57 | sink_adapter_(new LocalAudioSinkAdapter()) { |
| 58 | track_->RegisterObserver(this); |
| 59 | track_->AddSink(sink_adapter_.get()); |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 60 | CreateDtmfSender(); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 61 | } |
| 62 | |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 63 | AudioRtpSender::AudioRtpSender(AudioTrackInterface* track, |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 64 | cricket::VoiceChannel* channel, |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 65 | StatsCollector* stats) |
| 66 | : id_(track->id()), |
| 67 | stream_id_(rtc::CreateRandomUuid()), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 68 | channel_(channel), |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 69 | stats_(stats), |
| 70 | track_(track), |
| 71 | cached_track_enabled_(track->enabled()), |
| 72 | sink_adapter_(new LocalAudioSinkAdapter()) { |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 73 | track_->RegisterObserver(this); |
| 74 | track_->AddSink(sink_adapter_.get()); |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 75 | CreateDtmfSender(); |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 76 | } |
| 77 | |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 78 | AudioRtpSender::AudioRtpSender(cricket::VoiceChannel* channel, |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 79 | StatsCollector* stats) |
| 80 | : id_(rtc::CreateRandomUuid()), |
| 81 | stream_id_(rtc::CreateRandomUuid()), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 82 | channel_(channel), |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 83 | stats_(stats), |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 84 | sink_adapter_(new LocalAudioSinkAdapter()) { |
| 85 | CreateDtmfSender(); |
| 86 | } |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 87 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 88 | AudioRtpSender::~AudioRtpSender() { |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 89 | // For DtmfSender. |
| 90 | SignalDestroyed(); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 91 | Stop(); |
| 92 | } |
| 93 | |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 94 | bool AudioRtpSender::CanInsertDtmf() { |
| 95 | if (!channel_) { |
| 96 | LOG(LS_ERROR) << "CanInsertDtmf: No audio channel exists."; |
| 97 | return false; |
| 98 | } |
| 99 | // Check that this RTP sender is active (description has been applied that |
| 100 | // matches an SSRC to its ID). |
| 101 | if (!ssrc_) { |
| 102 | LOG(LS_ERROR) << "CanInsertDtmf: Sender does not have SSRC."; |
| 103 | return false; |
| 104 | } |
| 105 | return channel_->CanInsertDtmf(); |
| 106 | } |
| 107 | |
| 108 | bool AudioRtpSender::InsertDtmf(int code, int duration) { |
| 109 | if (!channel_) { |
| 110 | LOG(LS_ERROR) << "CanInsertDtmf: No audio channel exists."; |
| 111 | return false; |
| 112 | } |
| 113 | if (!ssrc_) { |
| 114 | LOG(LS_ERROR) << "CanInsertDtmf: Sender does not have SSRC."; |
| 115 | return false; |
| 116 | } |
| 117 | if (!channel_->InsertDtmf(ssrc_, code, duration)) { |
| 118 | LOG(LS_ERROR) << "Failed to insert DTMF to channel."; |
| 119 | return false; |
| 120 | } |
| 121 | return true; |
| 122 | } |
| 123 | |
| 124 | sigslot::signal0<>* AudioRtpSender::GetOnDestroyedSignal() { |
| 125 | return &SignalDestroyed; |
| 126 | } |
| 127 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 128 | void AudioRtpSender::OnChanged() { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 129 | TRACE_EVENT0("webrtc", "AudioRtpSender::OnChanged"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 130 | RTC_DCHECK(!stopped_); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 131 | if (cached_track_enabled_ != track_->enabled()) { |
| 132 | cached_track_enabled_ = track_->enabled(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 133 | if (can_send_track()) { |
| 134 | SetAudioSend(); |
| 135 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 136 | } |
| 137 | } |
| 138 | |
| 139 | bool AudioRtpSender::SetTrack(MediaStreamTrackInterface* track) { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 140 | TRACE_EVENT0("webrtc", "AudioRtpSender::SetTrack"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 141 | if (stopped_) { |
| 142 | LOG(LS_ERROR) << "SetTrack can't be called on a stopped RtpSender."; |
| 143 | return false; |
| 144 | } |
| 145 | if (track && track->kind() != MediaStreamTrackInterface::kAudioKind) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 146 | LOG(LS_ERROR) << "SetTrack called on audio RtpSender with " << track->kind() |
| 147 | << " track."; |
| 148 | return false; |
| 149 | } |
| 150 | AudioTrackInterface* audio_track = static_cast<AudioTrackInterface*>(track); |
| 151 | |
| 152 | // Detach from old track. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 153 | if (track_) { |
| 154 | track_->RemoveSink(sink_adapter_.get()); |
| 155 | track_->UnregisterObserver(this); |
| 156 | } |
| 157 | |
| 158 | if (can_send_track() && stats_) { |
| 159 | stats_->RemoveLocalAudioTrack(track_.get(), ssrc_); |
| 160 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 161 | |
| 162 | // Attach to new track. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 163 | bool prev_can_send_track = can_send_track(); |
deadbeef | 5dd42fd | 2016-05-02 16:20:01 -0700 | [diff] [blame] | 164 | // Keep a reference to the old track to keep it alive until we call |
| 165 | // SetAudioSend. |
| 166 | rtc::scoped_refptr<AudioTrackInterface> old_track = track_; |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 167 | track_ = audio_track; |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 168 | if (track_) { |
| 169 | cached_track_enabled_ = track_->enabled(); |
| 170 | track_->RegisterObserver(this); |
| 171 | track_->AddSink(sink_adapter_.get()); |
| 172 | } |
| 173 | |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 174 | // Update audio channel. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 175 | if (can_send_track()) { |
| 176 | SetAudioSend(); |
| 177 | if (stats_) { |
| 178 | stats_->AddLocalAudioTrack(track_.get(), ssrc_); |
| 179 | } |
| 180 | } else if (prev_can_send_track) { |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 181 | ClearAudioSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 182 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 183 | return true; |
| 184 | } |
| 185 | |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 186 | RtpParameters AudioRtpSender::GetParameters() const { |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 187 | if (!channel_ || stopped_) { |
| 188 | return RtpParameters(); |
| 189 | } |
| 190 | return channel_->GetRtpSendParameters(ssrc_); |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | bool AudioRtpSender::SetParameters(const RtpParameters& parameters) { |
| 194 | TRACE_EVENT0("webrtc", "AudioRtpSender::SetParameters"); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 195 | if (!channel_ || stopped_) { |
| 196 | return false; |
| 197 | } |
| 198 | return channel_->SetRtpSendParameters(ssrc_, parameters); |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 199 | } |
| 200 | |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 201 | rtc::scoped_refptr<DtmfSenderInterface> AudioRtpSender::GetDtmfSender() const { |
| 202 | return dtmf_sender_proxy_; |
| 203 | } |
| 204 | |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 205 | void AudioRtpSender::SetSsrc(uint32_t ssrc) { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 206 | TRACE_EVENT0("webrtc", "AudioRtpSender::SetSsrc"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 207 | if (stopped_ || ssrc == ssrc_) { |
| 208 | return; |
| 209 | } |
| 210 | // If we are already sending with a particular SSRC, stop sending. |
| 211 | if (can_send_track()) { |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 212 | ClearAudioSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 213 | if (stats_) { |
| 214 | stats_->RemoveLocalAudioTrack(track_.get(), ssrc_); |
| 215 | } |
| 216 | } |
| 217 | ssrc_ = ssrc; |
| 218 | if (can_send_track()) { |
| 219 | SetAudioSend(); |
| 220 | if (stats_) { |
| 221 | stats_->AddLocalAudioTrack(track_.get(), ssrc_); |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 226 | void AudioRtpSender::Stop() { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 227 | TRACE_EVENT0("webrtc", "AudioRtpSender::Stop"); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 228 | // TODO(deadbeef): Need to do more here to fully stop sending packets. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 229 | if (stopped_) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 230 | return; |
| 231 | } |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 232 | if (track_) { |
| 233 | track_->RemoveSink(sink_adapter_.get()); |
| 234 | track_->UnregisterObserver(this); |
| 235 | } |
| 236 | if (can_send_track()) { |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 237 | ClearAudioSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 238 | if (stats_) { |
| 239 | stats_->RemoveLocalAudioTrack(track_.get(), ssrc_); |
| 240 | } |
| 241 | } |
| 242 | stopped_ = true; |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 243 | } |
| 244 | |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 245 | void AudioRtpSender::SetAudioSend() { |
kwiberg | ee89e78 | 2017-08-09 17:22:01 -0700 | [diff] [blame^] | 246 | RTC_DCHECK(!stopped_); |
| 247 | RTC_DCHECK(can_send_track()); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 248 | if (!channel_) { |
| 249 | LOG(LS_ERROR) << "SetAudioSend: No audio channel exists."; |
| 250 | return; |
| 251 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 252 | cricket::AudioOptions options; |
agouaillard | b11fb25 | 2017-02-03 06:37:05 -0800 | [diff] [blame] | 253 | #if !defined(WEBRTC_CHROMIUM_BUILD) && !defined(WEBRTC_WEBKIT_BUILD) |
Tommi | 3c16978 | 2016-01-21 16:12:17 +0100 | [diff] [blame] | 254 | // TODO(tommi): Remove this hack when we move CreateAudioSource out of |
| 255 | // PeerConnection. This is a bit of a strange way to apply local audio |
| 256 | // options since it is also applied to all streams/channels, local or remote. |
tommi | 6eca7e3 | 2015-12-15 04:27:11 -0800 | [diff] [blame] | 257 | if (track_->enabled() && track_->GetSource() && |
| 258 | !track_->GetSource()->remote()) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 259 | // TODO(xians): Remove this static_cast since we should be able to connect |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 260 | // a remote audio track to a peer connection. |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 261 | options = static_cast<LocalAudioSource*>(track_->GetSource())->options(); |
| 262 | } |
Tommi | 3c16978 | 2016-01-21 16:12:17 +0100 | [diff] [blame] | 263 | #endif |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 264 | |
Taylor Brandstetter | 1a018dc | 2016-03-08 12:37:39 -0800 | [diff] [blame] | 265 | cricket::AudioSource* source = sink_adapter_.get(); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 266 | RTC_DCHECK(source != nullptr); |
| 267 | if (!channel_->SetAudioSend(ssrc_, track_->enabled(), &options, source)) { |
| 268 | LOG(LS_ERROR) << "SetAudioSend: ssrc is incorrect: " << ssrc_; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | void AudioRtpSender::ClearAudioSend() { |
| 273 | RTC_DCHECK(ssrc_ != 0); |
| 274 | RTC_DCHECK(!stopped_); |
| 275 | if (!channel_) { |
| 276 | LOG(LS_WARNING) << "ClearAudioSend: No audio channel exists."; |
| 277 | return; |
| 278 | } |
| 279 | cricket::AudioOptions options; |
| 280 | if (!channel_->SetAudioSend(ssrc_, false, &options, nullptr)) { |
| 281 | LOG(LS_WARNING) << "ClearAudioSend: ssrc is incorrect: " << ssrc_; |
| 282 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 283 | } |
| 284 | |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 285 | void AudioRtpSender::CreateDtmfSender() { |
| 286 | // Should be on signaling thread. |
| 287 | // TODO(deadbeef): Add thread checking to RtpSender/RtpReceiver |
| 288 | // implementations. |
| 289 | rtc::scoped_refptr<DtmfSenderInterface> sender( |
| 290 | DtmfSender::Create(track_, rtc::Thread::Current(), this)); |
| 291 | if (!sender.get()) { |
| 292 | LOG(LS_ERROR) << "CreateDtmfSender failed on DtmfSender::Create."; |
| 293 | RTC_NOTREACHED(); |
| 294 | } |
| 295 | dtmf_sender_proxy_ = |
| 296 | DtmfSenderProxy::Create(rtc::Thread::Current(), sender.get()); |
| 297 | } |
| 298 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 299 | VideoRtpSender::VideoRtpSender(VideoTrackInterface* track, |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 300 | const std::string& stream_id, |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 301 | cricket::VideoChannel* channel) |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 302 | : id_(track->id()), |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 303 | stream_id_(stream_id), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 304 | channel_(channel), |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 305 | track_(track), |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 306 | cached_track_enabled_(track->enabled()), |
| 307 | cached_track_content_hint_(track->content_hint()) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 308 | track_->RegisterObserver(this); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 309 | } |
| 310 | |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 311 | VideoRtpSender::VideoRtpSender(VideoTrackInterface* track, |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 312 | cricket::VideoChannel* channel) |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 313 | : id_(track->id()), |
| 314 | stream_id_(rtc::CreateRandomUuid()), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 315 | channel_(channel), |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 316 | track_(track), |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 317 | cached_track_enabled_(track->enabled()), |
| 318 | cached_track_content_hint_(track->content_hint()) { |
deadbeef | e1f9d83 | 2016-01-14 15:35:42 -0800 | [diff] [blame] | 319 | track_->RegisterObserver(this); |
| 320 | } |
| 321 | |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 322 | VideoRtpSender::VideoRtpSender(cricket::VideoChannel* channel) |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 323 | : id_(rtc::CreateRandomUuid()), |
| 324 | stream_id_(rtc::CreateRandomUuid()), |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 325 | channel_(channel) {} |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 326 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 327 | VideoRtpSender::~VideoRtpSender() { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 328 | Stop(); |
| 329 | } |
| 330 | |
| 331 | void VideoRtpSender::OnChanged() { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 332 | TRACE_EVENT0("webrtc", "VideoRtpSender::OnChanged"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 333 | RTC_DCHECK(!stopped_); |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 334 | if (cached_track_enabled_ != track_->enabled() || |
| 335 | cached_track_content_hint_ != track_->content_hint()) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 336 | cached_track_enabled_ = track_->enabled(); |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 337 | cached_track_content_hint_ = track_->content_hint(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 338 | if (can_send_track()) { |
| 339 | SetVideoSend(); |
| 340 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 341 | } |
| 342 | } |
| 343 | |
| 344 | bool VideoRtpSender::SetTrack(MediaStreamTrackInterface* track) { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 345 | TRACE_EVENT0("webrtc", "VideoRtpSender::SetTrack"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 346 | if (stopped_) { |
| 347 | LOG(LS_ERROR) << "SetTrack can't be called on a stopped RtpSender."; |
| 348 | return false; |
| 349 | } |
| 350 | if (track && track->kind() != MediaStreamTrackInterface::kVideoKind) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 351 | LOG(LS_ERROR) << "SetTrack called on video RtpSender with " << track->kind() |
| 352 | << " track."; |
| 353 | return false; |
| 354 | } |
| 355 | VideoTrackInterface* video_track = static_cast<VideoTrackInterface*>(track); |
| 356 | |
| 357 | // Detach from old track. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 358 | if (track_) { |
| 359 | track_->UnregisterObserver(this); |
| 360 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 361 | |
| 362 | // Attach to new track. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 363 | bool prev_can_send_track = can_send_track(); |
deadbeef | 5dd42fd | 2016-05-02 16:20:01 -0700 | [diff] [blame] | 364 | // Keep a reference to the old track to keep it alive until we call |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 365 | // SetVideoSend. |
deadbeef | 5dd42fd | 2016-05-02 16:20:01 -0700 | [diff] [blame] | 366 | rtc::scoped_refptr<VideoTrackInterface> old_track = track_; |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 367 | track_ = video_track; |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 368 | if (track_) { |
| 369 | cached_track_enabled_ = track_->enabled(); |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 370 | cached_track_content_hint_ = track_->content_hint(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 371 | track_->RegisterObserver(this); |
| 372 | } |
| 373 | |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 374 | // Update video channel. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 375 | if (can_send_track()) { |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 376 | SetVideoSend(); |
| 377 | } else if (prev_can_send_track) { |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 378 | ClearVideoSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 379 | } |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 380 | return true; |
| 381 | } |
| 382 | |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 383 | RtpParameters VideoRtpSender::GetParameters() const { |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 384 | if (!channel_ || stopped_) { |
| 385 | return RtpParameters(); |
| 386 | } |
| 387 | return channel_->GetRtpSendParameters(ssrc_); |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | bool VideoRtpSender::SetParameters(const RtpParameters& parameters) { |
| 391 | TRACE_EVENT0("webrtc", "VideoRtpSender::SetParameters"); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 392 | if (!channel_ || stopped_) { |
| 393 | return false; |
| 394 | } |
| 395 | return channel_->SetRtpSendParameters(ssrc_, parameters); |
deadbeef | a601f5c | 2016-06-06 14:27:39 -0700 | [diff] [blame] | 396 | } |
| 397 | |
deadbeef | 20cb0c1 | 2017-02-01 20:27:00 -0800 | [diff] [blame] | 398 | rtc::scoped_refptr<DtmfSenderInterface> VideoRtpSender::GetDtmfSender() const { |
| 399 | LOG(LS_ERROR) << "Tried to get DTMF sender from video sender."; |
| 400 | return nullptr; |
| 401 | } |
| 402 | |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 403 | void VideoRtpSender::SetSsrc(uint32_t ssrc) { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 404 | TRACE_EVENT0("webrtc", "VideoRtpSender::SetSsrc"); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 405 | if (stopped_ || ssrc == ssrc_) { |
| 406 | return; |
| 407 | } |
| 408 | // If we are already sending with a particular SSRC, stop sending. |
| 409 | if (can_send_track()) { |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 410 | ClearVideoSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 411 | } |
| 412 | ssrc_ = ssrc; |
| 413 | if (can_send_track()) { |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 414 | SetVideoSend(); |
| 415 | } |
| 416 | } |
| 417 | |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 418 | void VideoRtpSender::Stop() { |
Peter Boström | dabc944 | 2016-04-11 11:45:14 +0200 | [diff] [blame] | 419 | TRACE_EVENT0("webrtc", "VideoRtpSender::Stop"); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 420 | // TODO(deadbeef): Need to do more here to fully stop sending packets. |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 421 | if (stopped_) { |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 422 | return; |
| 423 | } |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 424 | if (track_) { |
| 425 | track_->UnregisterObserver(this); |
| 426 | } |
| 427 | if (can_send_track()) { |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 428 | ClearVideoSend(); |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 429 | } |
| 430 | stopped_ = true; |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 431 | } |
| 432 | |
deadbeef | fac0655 | 2015-11-25 11:26:01 -0800 | [diff] [blame] | 433 | void VideoRtpSender::SetVideoSend() { |
kwiberg | ee89e78 | 2017-08-09 17:22:01 -0700 | [diff] [blame^] | 434 | RTC_DCHECK(!stopped_); |
| 435 | RTC_DCHECK(can_send_track()); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 436 | if (!channel_) { |
| 437 | LOG(LS_ERROR) << "SetVideoSend: No video channel exists."; |
| 438 | return; |
| 439 | } |
perkj | 0d3eef2 | 2016-03-09 02:39:17 +0100 | [diff] [blame] | 440 | cricket::VideoOptions options; |
perkj | a3ede6c | 2016-03-08 01:27:48 +0100 | [diff] [blame] | 441 | VideoTrackSourceInterface* source = track_->GetSource(); |
perkj | 0d3eef2 | 2016-03-09 02:39:17 +0100 | [diff] [blame] | 442 | if (source) { |
| 443 | options.is_screencast = rtc::Optional<bool>(source->is_screencast()); |
Per | c0d31e9 | 2016-03-31 17:23:39 +0200 | [diff] [blame] | 444 | options.video_noise_reduction = source->needs_denoising(); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 445 | } |
pbos | 5214a0a | 2016-12-16 15:39:11 -0800 | [diff] [blame] | 446 | switch (cached_track_content_hint_) { |
| 447 | case VideoTrackInterface::ContentHint::kNone: |
| 448 | break; |
| 449 | case VideoTrackInterface::ContentHint::kFluid: |
| 450 | options.is_screencast = rtc::Optional<bool>(false); |
| 451 | break; |
| 452 | case VideoTrackInterface::ContentHint::kDetailed: |
| 453 | options.is_screencast = rtc::Optional<bool>(true); |
| 454 | break; |
| 455 | } |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 456 | if (!channel_->SetVideoSend(ssrc_, track_->enabled(), &options, track_)) { |
nisse | eb4ca4e | 2017-01-12 02:24:27 -0800 | [diff] [blame] | 457 | RTC_NOTREACHED(); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 458 | } |
deadbeef | 5a4a75a | 2016-06-02 16:23:38 -0700 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | void VideoRtpSender::ClearVideoSend() { |
| 462 | RTC_DCHECK(ssrc_ != 0); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 463 | RTC_DCHECK(!stopped_); |
| 464 | if (!channel_) { |
| 465 | LOG(LS_WARNING) << "SetVideoSend: No video channel exists."; |
| 466 | return; |
| 467 | } |
| 468 | // Allow SetVideoSend to fail since |enable| is false and |source| is null. |
| 469 | // This the normal case when the underlying media channel has already been |
| 470 | // deleted. |
| 471 | channel_->SetVideoSend(ssrc_, false, nullptr, nullptr); |
deadbeef | 70ab1a1 | 2015-09-28 16:53:55 -0700 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | } // namespace webrtc |