webrtc/talk/media/base/videoprocessor.h
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

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/*
* libjingle
* Copyright 2004 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_MEDIA_BASE_VIDEOPROCESSOR_H_
#define TALK_MEDIA_BASE_VIDEOPROCESSOR_H_
#include "talk/base/sigslot.h"
#include "talk/media/base/videoframe.h"
namespace cricket {
class VideoProcessor : public sigslot::has_slots<> {
public:
virtual ~VideoProcessor() {}
// Contents of frame may be manipulated by the processor.
// The processed data is expected to be the same size as the
// original data. VideoProcessors may be chained together and may decide
// that the current frame should be dropped. If *drop_frame is true,
// the current processor should skip processing. If the current processor
// decides it cannot process the current frame in a timely manner, it may set
// *drop_frame = true and the frame will be dropped.
virtual void OnFrame(uint32 ssrc, VideoFrame* frame, bool* drop_frame) = 0;
};
} // namespace cricket
#endif // TALK_MEDIA_BASE_VIDEOPROCESSOR_H_