blob: 4b6a6ad85cedab044594b371b770a71e84413c05 [file] [log] [blame]
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <stdint.h>
#include "absl/types/optional.h"
#include "rtc_base/rate_statistics.h"
namespace webrtc {
class FramerateController {
explicit FramerateController(float target_framerate_fps);
void SetTargetRate(float target_framerate_fps);
float GetTargetRate();
// Advices user to drop next frame in order to reach target framerate.
bool DropFrame(uint32_t timestamp_ms) const;
void AddFrame(uint32_t timestamp_ms);
void Reset();
absl::optional<float> Rate(uint32_t timestamp_ms) const;
absl::optional<float> target_framerate_fps_;
absl::optional<uint32_t> last_timestamp_ms_;
uint32_t min_frame_interval_ms_;
RateStatistics framerate_estimator_;
} // namespace webrtc