webrtc_m130/webrtc/common_video/video_render_frames.h
kwiberg 84f6a3fc6b Move optional.h to webrtc/api/
We use Optional in our public API, so its header should be in
webrtc/api/.

BUG=webrtc:8205

Review-Url: https://codereview.webrtc.org/3011943002
Cr-Commit-Position: refs/heads/master@{#19693}
2017-09-05 15:43:13 +00:00

53 lines
1.4 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/api/optional.h"
#include "webrtc/api/video/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(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();
bool HasPendingFrames() const;
private:
// 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;
};
} // namespace webrtc
#endif // WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_