|  | /* | 
|  | *  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 "RTCVideoSource+Private.h" | 
|  |  | 
|  | #include "webrtc/base/checks.h" | 
|  |  | 
|  | @implementation RTCVideoSource { | 
|  | rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> _nativeVideoSource; | 
|  | } | 
|  |  | 
|  | - (instancetype)initWithNativeVideoSource: | 
|  | (rtc::scoped_refptr<webrtc::VideoTrackSourceInterface>)nativeVideoSource { | 
|  | RTC_DCHECK(nativeVideoSource); | 
|  | if (self = [super initWithNativeMediaSource:nativeVideoSource | 
|  | type:RTCMediaSourceTypeVideo]) { | 
|  | _nativeVideoSource = nativeVideoSource; | 
|  | } | 
|  | return self; | 
|  | } | 
|  |  | 
|  | - (instancetype)initWithNativeMediaSource: | 
|  | (rtc::scoped_refptr<webrtc::MediaSourceInterface>)nativeMediaSource | 
|  | type:(RTCMediaSourceType)type { | 
|  | RTC_NOTREACHED(); | 
|  | return nil; | 
|  | } | 
|  |  | 
|  | - (NSString *)description { | 
|  | NSString *stateString = [[self class] stringForState:self.state]; | 
|  | return [NSString stringWithFormat:@"RTCVideoSource( %p ): %@", self, stateString]; | 
|  | } | 
|  |  | 
|  | #pragma mark - Private | 
|  |  | 
|  | - (rtc::scoped_refptr<webrtc::VideoTrackSourceInterface>)nativeVideoSource { | 
|  | return _nativeVideoSource; | 
|  | } | 
|  |  | 
|  | @end |