/*
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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 WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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#define WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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#include <stdint.h>
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#include <list>
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#include "webrtc/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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VideoRenderFrames();
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// Add a frame to the render queue
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int32_t AddFrame(const VideoFrame& new_frame);
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// Get a frame for rendering, or a zero-size frame if it's not time to render.
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VideoFrame FrameToRender();
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// Releases all frames
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int32_t ReleaseAllFrames();
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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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// Sets estimates delay in renderer
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int32_t SetRenderDelay(const uint32_t render_delay);
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private:
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// 10 seconds for 30 fps.
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enum { KMaxNumberOfFrames = 300 };
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// Don't render frames with timestamp older than 500ms from now.
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enum { KOldRenderTimestampMS = 500 };
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// Don't render frames with timestamp more than 10s into the future.
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enum { KFutureRenderTimestampMS = 10000 };
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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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uint32_t render_delay_ms_;
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};
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} // namespace webrtc
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#endif // WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
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