1 /*
2  *  Copyright 2019 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 RTC_BASE_EXPERIMENTS_MIN_VIDEO_BITRATE_EXPERIMENT_H_
12 #define RTC_BASE_EXPERIMENTS_MIN_VIDEO_BITRATE_EXPERIMENT_H_
13 
14 #include "absl/types/optional.h"
15 #include "api/units/data_rate.h"
16 #include "api/video/video_codec_type.h"
17 
18 namespace webrtc {
19 
20 extern const int kDefaultMinVideoBitrateBps;
21 
22 // Return the experiment-driven minimum video bitrate.
23 // If no experiment is effective, returns nullopt.
24 absl::optional<DataRate> GetExperimentalMinVideoBitrate(VideoCodecType type);
25 
26 }  // namespace webrtc
27 
28 #endif  // RTC_BASE_EXPERIMENTS_MIN_VIDEO_BITRATE_EXPERIMENT_H_
29