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1 /* | 1 /* |
2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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269 // Attach to new track. | 269 // Attach to new track. |
270 bool prev_can_send_track = can_send_track(); | 270 bool prev_can_send_track = can_send_track(); |
271 track_ = video_track; | 271 track_ = video_track; |
272 if (track_) { | 272 if (track_) { |
273 cached_track_enabled_ = track_->enabled(); | 273 cached_track_enabled_ = track_->enabled(); |
274 track_->RegisterObserver(this); | 274 track_->RegisterObserver(this); |
275 } | 275 } |
276 | 276 |
277 // Update video provider. | 277 // Update video provider. |
278 if (can_send_track()) { | 278 if (can_send_track()) { |
279 VideoTrackSourceInterface* source = track_->GetSource(); | |
280 // TODO(deadbeef): If SetTrack is called with a disabled track, and the | 279 // TODO(deadbeef): If SetTrack is called with a disabled track, and the |
281 // previous track was enabled, this could cause a frame from the new track | 280 // previous track was enabled, this could cause a frame from the new track |
282 // to slip out. Really, what we need is for SetCaptureDevice and | 281 // to slip out. Really, what we need is for SetSource and SetVideoSend |
283 // SetVideoSend | |
284 // to be combined into one atomic operation, all the way down to | 282 // to be combined into one atomic operation, all the way down to |
285 // WebRtcVideoSendStream. | 283 // WebRtcVideoSendStream. |
286 provider_->SetCaptureDevice(ssrc_, | 284 |
287 source ? source->GetVideoCapturer() : nullptr); | 285 provider_->SetSource(ssrc_, track_); |
288 SetVideoSend(); | 286 SetVideoSend(); |
289 } else if (prev_can_send_track) { | 287 } else if (prev_can_send_track) { |
290 provider_->SetCaptureDevice(ssrc_, nullptr); | 288 provider_->SetSource(ssrc_, nullptr); |
291 provider_->SetVideoSend(ssrc_, false, nullptr); | 289 provider_->SetVideoSend(ssrc_, false, nullptr); |
292 } | 290 } |
293 return true; | 291 return true; |
294 } | 292 } |
295 | 293 |
296 void VideoRtpSender::SetSsrc(uint32_t ssrc) { | 294 void VideoRtpSender::SetSsrc(uint32_t ssrc) { |
297 if (stopped_ || ssrc == ssrc_) { | 295 if (stopped_ || ssrc == ssrc_) { |
298 return; | 296 return; |
299 } | 297 } |
300 // If we are already sending with a particular SSRC, stop sending. | 298 // If we are already sending with a particular SSRC, stop sending. |
301 if (can_send_track()) { | 299 if (can_send_track()) { |
302 provider_->SetCaptureDevice(ssrc_, nullptr); | 300 provider_->SetSource(ssrc_, nullptr); |
303 provider_->SetVideoSend(ssrc_, false, nullptr); | 301 provider_->SetVideoSend(ssrc_, false, nullptr); |
304 } | 302 } |
305 ssrc_ = ssrc; | 303 ssrc_ = ssrc; |
306 if (can_send_track()) { | 304 if (can_send_track()) { |
307 VideoTrackSourceInterface* source = track_->GetSource(); | 305 provider_->SetSource(ssrc_, track_); |
308 provider_->SetCaptureDevice(ssrc_, | |
309 source ? source->GetVideoCapturer() : nullptr); | |
310 SetVideoSend(); | 306 SetVideoSend(); |
311 } | 307 } |
312 } | 308 } |
313 | 309 |
314 void VideoRtpSender::Stop() { | 310 void VideoRtpSender::Stop() { |
315 // TODO(deadbeef): Need to do more here to fully stop sending packets. | 311 // TODO(deadbeef): Need to do more here to fully stop sending packets. |
316 if (stopped_) { | 312 if (stopped_) { |
317 return; | 313 return; |
318 } | 314 } |
319 if (track_) { | 315 if (track_) { |
320 track_->UnregisterObserver(this); | 316 track_->UnregisterObserver(this); |
321 } | 317 } |
322 if (can_send_track()) { | 318 if (can_send_track()) { |
323 provider_->SetCaptureDevice(ssrc_, nullptr); | 319 provider_->SetSource(ssrc_, nullptr); |
324 provider_->SetVideoSend(ssrc_, false, nullptr); | 320 provider_->SetVideoSend(ssrc_, false, nullptr); |
325 } | 321 } |
326 stopped_ = true; | 322 stopped_ = true; |
327 } | 323 } |
328 | 324 |
329 void VideoRtpSender::SetVideoSend() { | 325 void VideoRtpSender::SetVideoSend() { |
330 RTC_DCHECK(!stopped_ && can_send_track()); | 326 RTC_DCHECK(!stopped_ && can_send_track()); |
331 cricket::VideoOptions options; | 327 cricket::VideoOptions options; |
332 VideoTrackSourceInterface* source = track_->GetSource(); | 328 VideoTrackSourceInterface* source = track_->GetSource(); |
333 if (source) { | 329 if (source) { |
334 options.is_screencast = rtc::Optional<bool>(source->is_screencast()); | 330 options.is_screencast = rtc::Optional<bool>(source->is_screencast()); |
335 options.video_noise_reduction = source->needs_denoising(); | 331 options.video_noise_reduction = source->needs_denoising(); |
336 } | 332 } |
337 provider_->SetVideoSend(ssrc_, track_->enabled(), &options); | 333 provider_->SetVideoSend(ssrc_, track_->enabled(), &options); |
338 } | 334 } |
339 | 335 |
340 RtpParameters VideoRtpSender::GetParameters() const { | 336 RtpParameters VideoRtpSender::GetParameters() const { |
341 return provider_->GetVideoRtpParameters(ssrc_); | 337 return provider_->GetVideoRtpParameters(ssrc_); |
342 } | 338 } |
343 | 339 |
344 bool VideoRtpSender::SetParameters(const RtpParameters& parameters) { | 340 bool VideoRtpSender::SetParameters(const RtpParameters& parameters) { |
345 return provider_->SetVideoRtpParameters(ssrc_, parameters); | 341 return provider_->SetVideoRtpParameters(ssrc_, parameters); |
346 } | 342 } |
347 | 343 |
348 } // namespace webrtc | 344 } // namespace webrtc |
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