28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
/*
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* libjingle
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* Copyright 2012, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
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#define TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
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#include <vector>
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#include "talk/app/webrtc/mediastreaminterface.h"
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#include "talk/base/criticalsection.h"
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#include "talk/media/base/videorenderer.h"
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namespace webrtc {
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// Class used for rendering cricket::VideoFrames to multiple renderers of type
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// VideoRendererInterface.
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// Each VideoTrack owns a VideoTrackRenderers instance.
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// The class is thread safe. Rendering to the added VideoRendererInterfaces is
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// done on the same thread as the cricket::VideoRenderer.
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class VideoTrackRenderers : public cricket::VideoRenderer {
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public:
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VideoTrackRenderers();
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~VideoTrackRenderers();
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// Implements cricket::VideoRenderer
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virtual bool SetSize(int width, int height, int reserved);
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virtual bool RenderFrame(const cricket::VideoFrame* frame);
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void AddRenderer(VideoRendererInterface* renderer);
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void RemoveRenderer(VideoRendererInterface* renderer);
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void SetEnabled(bool enable);
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private:
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struct RenderObserver {
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explicit RenderObserver(VideoRendererInterface* renderer)
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: renderer_(renderer),
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size_set_(false) {
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}
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VideoRendererInterface* renderer_;
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bool size_set_;
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};
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int width_;
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int height_;
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bool enabled_;
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std::vector<RenderObserver> renderers_;
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talk_base::CriticalSection critical_section_; // Protects the above variables
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};
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} // namespace webrtc
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#endif // TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
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