79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*
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* Copyright (c) 2011 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_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_
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#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_
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#include "list_wrapper.h"
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#include "video_render.h"
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namespace webrtc {
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// Class definitions
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class VideoRenderFrames
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{
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public:
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VideoRenderFrames();
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~VideoRenderFrames();
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/*
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* Add a frame to the render queue
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*/
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WebRtc_Word32 AddFrame(VideoFrame* ptrNewFrame);
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/*
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* Get a frame for rendering, if it's time to render.
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*/
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VideoFrame* FrameToRender();
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/*
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* Return an old frame
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*/
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WebRtc_Word32 ReturnFrame(VideoFrame* ptrOldFrame);
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/*
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* Releases all frames
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*/
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WebRtc_Word32 ReleaseAllFrames();
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/*
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* Returns the number of ms to next frame to render
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*/
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WebRtc_UWord32 TimeToNextFrameRelease();
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/*
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* Sets estimates delay in renderer
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*/
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WebRtc_Word32 SetRenderDelay(const WebRtc_UWord32 renderDelay);
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private:
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enum
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{
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KMaxNumberOfFrames = 300
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}; // 10 seconds for 30 fps.
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enum
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{
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KOldRenderTimestampMS = 500
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}; //Don't render frames with timestamp older than 500ms from now.
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enum
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{
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KFutureRenderTimestampMS = 10000
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}; //Don't render frames with timestamp more than 10s into the future.
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ListWrapper _incomingFrames; // Sorted oldest video frame first
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ListWrapper _emptyFrames; // Empty frames
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WebRtc_UWord32 _renderDelayMs; // Set render delay
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};
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} //namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_
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