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* Copyright (c) 2012 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 <stddef.h>
#include <stdint.h>
#include <list>
#include "absl/types/optional.h"
#include "api/video/video_frame.h"
namespace webrtc {
// Class definitions
class VideoRenderFrames {
explicit VideoRenderFrames(uint32_t render_delay_ms);
VideoRenderFrames(const VideoRenderFrames&) = delete;
// Add a frame to the render queue
int32_t AddFrame(VideoFrame&& new_frame);
// Get a frame for rendering, or false if it's not time to render.
absl::optional<VideoFrame> FrameToRender();
// Returns the number of ms to next frame to render
uint32_t TimeToNextFrameRelease();
bool HasPendingFrames() const;
// Sorted list with framed to be rendered, oldest first.
std::list<VideoFrame> incoming_frames_;
// Estimated delay from a frame is released until it's rendered.
const uint32_t render_delay_ms_;
int64_t last_render_time_ms_ = 0;
size_t frames_dropped_ = 0;
} // namespace webrtc