|  | /* | 
|  | *  Copyright 2015 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. | 
|  | */ | 
|  |  | 
|  | #import "RTCVideoTrack.h" | 
|  |  | 
|  | #include "webrtc/api/mediastreaminterface.h" | 
|  |  | 
|  | NS_ASSUME_NONNULL_BEGIN | 
|  |  | 
|  | @interface RTCVideoTrack () | 
|  |  | 
|  | /** VideoTrackInterface created or passed in at construction. */ | 
|  | @property(nonatomic, readonly) | 
|  | rtc::scoped_refptr<webrtc::VideoTrackInterface> nativeVideoTrack; | 
|  |  | 
|  | /** Initialize an RTCVideoTrack with its source and an id. */ | 
|  | - (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory | 
|  | source:(RTCVideoSource *)source | 
|  | trackId:(NSString *)trackId; | 
|  |  | 
|  | @end | 
|  |  | 
|  | NS_ASSUME_NONNULL_END |