video_sink_interface.h (1179B)
1 /* 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef API_VIDEO_VIDEO_SINK_INTERFACE_H_ 12 #define API_VIDEO_VIDEO_SINK_INTERFACE_H_ 13 14 #include "api/video_track_source_constraints.h" 15 16 namespace webrtc { 17 18 template <typename VideoFrameT> 19 class VideoSinkInterface { 20 public: 21 virtual ~VideoSinkInterface() = default; 22 23 virtual void OnFrame(const VideoFrameT& frame) = 0; 24 25 // Should be called by the source when it discards the frame due to rate 26 // limiting. 27 virtual void OnDiscardedFrame() {} 28 29 // Called on the network thread when video constraints change. 30 // TODO(crbug/1255737): make pure virtual once downstream project adapts. 31 virtual void OnConstraintsChanged( 32 const VideoTrackSourceConstraints& /* constraints */) {} 33 }; 34 35 } // namespace webrtc 36 37 38 #endif // API_VIDEO_VIDEO_SINK_INTERFACE_H_