|  | /* | 
|  | *  Copyright (c) 2016 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_VIDEO_SINK_INTERFACE_H_ | 
|  | #define API_VIDEO_VIDEO_SINK_INTERFACE_H_ | 
|  |  | 
|  | #include "rtc_base/checks.h" | 
|  |  | 
|  | namespace rtc { | 
|  |  | 
|  | template <typename VideoFrameT> | 
|  | class VideoSinkInterface { | 
|  | public: | 
|  | virtual ~VideoSinkInterface() = default; | 
|  |  | 
|  | virtual void OnFrame(const VideoFrameT& frame) = 0; | 
|  |  | 
|  | // Should be called by the source when it discards the frame due to rate | 
|  | // limiting. | 
|  | virtual void OnDiscardedFrame() {} | 
|  | }; | 
|  |  | 
|  | }  // namespace rtc | 
|  |  | 
|  | #endif  // API_VIDEO_VIDEO_SINK_INTERFACE_H_ |