1 /* 2 * Copyright 2021 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 // This file contains interfaces for MediaStream, MediaTrack and MediaSource. 12 // These interfaces are used for implementing MediaStream and MediaTrack as 13 // defined in http://dev.w3.org/2011/webrtc/editor/webrtc.html#stream-api. These 14 // interfaces must be used only with PeerConnection. 15 16 #ifndef API_VIDEO_TRACK_SOURCE_CONSTRAINTS_H_ 17 #define API_VIDEO_TRACK_SOURCE_CONSTRAINTS_H_ 18 19 #include "absl/types/optional.h" 20 21 namespace webrtc { 22 23 // This struct definition describes constraints on the video source that may be 24 // set with VideoTrackSourceInterface::ProcessConstraints. 25 struct VideoTrackSourceConstraints { 26 absl::optional<double> min_fps; 27 absl::optional<double> max_fps; 28 }; 29 30 } // namespace webrtc 31 32 #endif // API_VIDEO_TRACK_SOURCE_CONSTRAINTS_H_ 33