/* * 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_