1 /* 2 * Copyright 2018 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_CPU_SPEED_EXPERIMENT_H_ 12 #define RTC_BASE_EXPERIMENTS_CPU_SPEED_EXPERIMENT_H_ 13 14 #include <vector> 15 16 #include "absl/types/optional.h" 17 18 namespace webrtc { 19 20 class CpuSpeedExperiment { 21 public: 22 struct Config { 23 bool operator==(const Config& o) const { 24 return pixels == o.pixels && cpu_speed == o.cpu_speed; 25 } 26 27 int pixels; // The video frame size. 28 int cpu_speed; // The |cpu_speed| to be used if the frame size is less 29 // than or equal to |pixels|. 30 }; 31 32 // Returns the configurations from field trial on success. 33 static absl::optional<std::vector<Config>> GetConfigs(); 34 35 // Gets the cpu speed from the |configs| based on |pixels|. 36 static int GetValue(int pixels, const std::vector<Config>& configs); 37 }; 38 39 } // namespace webrtc 40 41 #endif // RTC_BASE_EXPERIMENTS_CPU_SPEED_EXPERIMENT_H_ 42