56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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#define COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <list>
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#include "absl/types/optional.h"
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#include "api/video/video_frame.h"
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namespace webrtc {
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// Class definitions
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class VideoRenderFrames {
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public:
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explicit VideoRenderFrames(uint32_t render_delay_ms);
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VideoRenderFrames(const VideoRenderFrames&) = delete;
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~VideoRenderFrames();
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// Add a frame to the render queue
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int32_t AddFrame(VideoFrame&& new_frame);
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// Get a frame for rendering, or false if it's not time to render.
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absl::optional<VideoFrame> FrameToRender();
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// Returns the number of ms to next frame to render
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uint32_t TimeToNextFrameRelease();
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bool HasPendingFrames() const;
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private:
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// Sorted list with framed to be rendered, oldest first.
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std::list<VideoFrame> incoming_frames_;
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// Estimated delay from a frame is released until it's rendered.
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const uint32_t render_delay_ms_;
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int64_t last_render_time_ms_ = 0;
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size_t frames_dropped_ = 0;
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};
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} // namespace webrtc
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#endif // COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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