1 /* 2 * Copyright (c) 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 MODULES_VIDEO_CODING_UTILITY_FRAMERATE_CONTROLLER_DEPRECATED_H_ 12 #define MODULES_VIDEO_CODING_UTILITY_FRAMERATE_CONTROLLER_DEPRECATED_H_ 13 14 #include <stdint.h> 15 16 #include "absl/types/optional.h" 17 #include "rtc_base/rate_statistics.h" 18 19 namespace webrtc { 20 21 // Please use webrtc::FramerateController instead. 22 class FramerateControllerDeprecated { 23 public: 24 explicit FramerateControllerDeprecated(float target_framerate_fps); 25 26 void SetTargetRate(float target_framerate_fps); 27 float GetTargetRate(); 28 29 // Advices user to drop next frame in order to reach target framerate. 30 bool DropFrame(uint32_t timestamp_ms) const; 31 32 void AddFrame(uint32_t timestamp_ms); 33 34 void Reset(); 35 36 private: 37 absl::optional<float> Rate(uint32_t timestamp_ms) const; 38 39 absl::optional<float> target_framerate_fps_; 40 absl::optional<uint32_t> last_timestamp_ms_; 41 uint32_t min_frame_interval_ms_; 42 RateStatistics framerate_estimator_; 43 }; 44 45 } // namespace webrtc 46 47 #endif // MODULES_VIDEO_CODING_UTILITY_FRAMERATE_CONTROLLER_DEPRECATED_H_ 48