1*d9f75844SAndroid Build Coastguard Worker /* 2*d9f75844SAndroid Build Coastguard Worker * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. 3*d9f75844SAndroid Build Coastguard Worker * 4*d9f75844SAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license 5*d9f75844SAndroid Build Coastguard Worker * that can be found in the LICENSE file in the root of the source 6*d9f75844SAndroid Build Coastguard Worker * tree. An additional intellectual property rights grant can be found 7*d9f75844SAndroid Build Coastguard Worker * in the file PATENTS. All contributing project authors may 8*d9f75844SAndroid Build Coastguard Worker * be found in the AUTHORS file in the root of the source tree. 9*d9f75844SAndroid Build Coastguard Worker */ 10*d9f75844SAndroid Build Coastguard Worker 11*d9f75844SAndroid Build Coastguard Worker #ifndef API_VIDEO_VIDEO_SINK_INTERFACE_H_ 12*d9f75844SAndroid Build Coastguard Worker #define API_VIDEO_VIDEO_SINK_INTERFACE_H_ 13*d9f75844SAndroid Build Coastguard Worker 14*d9f75844SAndroid Build Coastguard Worker #include "absl/types/optional.h" 15*d9f75844SAndroid Build Coastguard Worker #include "api/video_track_source_constraints.h" 16*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/checks.h" 17*d9f75844SAndroid Build Coastguard Worker 18*d9f75844SAndroid Build Coastguard Worker namespace rtc { 19*d9f75844SAndroid Build Coastguard Worker 20*d9f75844SAndroid Build Coastguard Worker template <typename VideoFrameT> 21*d9f75844SAndroid Build Coastguard Worker class VideoSinkInterface { 22*d9f75844SAndroid Build Coastguard Worker public: 23*d9f75844SAndroid Build Coastguard Worker virtual ~VideoSinkInterface() = default; 24*d9f75844SAndroid Build Coastguard Worker 25*d9f75844SAndroid Build Coastguard Worker virtual void OnFrame(const VideoFrameT& frame) = 0; 26*d9f75844SAndroid Build Coastguard Worker 27*d9f75844SAndroid Build Coastguard Worker // Should be called by the source when it discards the frame due to rate 28*d9f75844SAndroid Build Coastguard Worker // limiting. OnDiscardedFrame()29*d9f75844SAndroid Build Coastguard Worker virtual void OnDiscardedFrame() {} 30*d9f75844SAndroid Build Coastguard Worker 31*d9f75844SAndroid Build Coastguard Worker // Called on the network thread when video constraints change. 32*d9f75844SAndroid Build Coastguard Worker // TODO(crbug/1255737): make pure virtual once downstream project adapts. OnConstraintsChanged(const webrtc::VideoTrackSourceConstraints & constraints)33*d9f75844SAndroid Build Coastguard Worker virtual void OnConstraintsChanged( 34*d9f75844SAndroid Build Coastguard Worker const webrtc::VideoTrackSourceConstraints& constraints) {} 35*d9f75844SAndroid Build Coastguard Worker }; 36*d9f75844SAndroid Build Coastguard Worker 37*d9f75844SAndroid Build Coastguard Worker } // namespace rtc 38*d9f75844SAndroid Build Coastguard Worker 39*d9f75844SAndroid Build Coastguard Worker #endif // API_VIDEO_VIDEO_SINK_INTERFACE_H_ 40