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