| /* | 
 |  *  Copyright 2021 The WebRTC project authors. All Rights Reserved. | 
 |  * | 
 |  *  Use of this source code is governed by a BSD-style license | 
 |  *  that can be found in the LICENSE file in the root of the source | 
 |  *  tree. An additional intellectual property rights grant can be found | 
 |  *  in the file PATENTS.  All contributing project authors may | 
 |  *  be found in the AUTHORS file in the root of the source tree. | 
 |  */ | 
 |  | 
 | #ifndef API_VIDEO_TRACK_SOURCE_PROXY_FACTORY_H_ | 
 | #define API_VIDEO_TRACK_SOURCE_PROXY_FACTORY_H_ | 
 |  | 
 | #include "api/media_stream_interface.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | // Creates a proxy source for `source` which makes sure the real | 
 | // VideoTrackSourceInterface implementation is destroyed on the signaling thread | 
 | // and marshals calls to `worker_thread` and `signaling_thread`. | 
 | rtc::scoped_refptr<VideoTrackSourceInterface> RTC_EXPORT | 
 | CreateVideoTrackSourceProxy(rtc::Thread* signaling_thread, | 
 |                             rtc::Thread* worker_thread, | 
 |                             VideoTrackSourceInterface* source); | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // API_VIDEO_TRACK_SOURCE_PROXY_FACTORY_H_ |