56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
|
|
#define WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <list>
|
|
|
|
#include "webrtc/base/optional.h"
|
|
#include "webrtc/video_frame.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Class definitions
|
|
class VideoRenderFrames {
|
|
public:
|
|
explicit VideoRenderFrames(uint32_t render_delay_ms);
|
|
VideoRenderFrames(const VideoRenderFrames&) = delete;
|
|
|
|
// Add a frame to the render queue
|
|
int32_t AddFrame(const VideoFrame& new_frame);
|
|
|
|
// Get a frame for rendering, or false if it's not time to render.
|
|
rtc::Optional<VideoFrame> FrameToRender();
|
|
|
|
// Returns the number of ms to next frame to render
|
|
uint32_t TimeToNextFrameRelease();
|
|
|
|
private:
|
|
// 10 seconds for 30 fps.
|
|
enum { KMaxNumberOfFrames = 300 };
|
|
// Don't render frames with timestamp older than 500ms from now.
|
|
enum { KOldRenderTimestampMS = 500 };
|
|
// Don't render frames with timestamp more than 10s into the future.
|
|
enum { KFutureRenderTimestampMS = 10000 };
|
|
|
|
// 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_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_
|