1 /* 2 * libjingle 3 * Copyright 2004, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TALK_SESSION_PHONE_VIDEORENDERER_H_ 29 #define TALK_SESSION_PHONE_VIDEORENDERER_H_ 30 31 #ifdef _DEBUG 32 #include <string> 33 #endif // _DEBUG 34 35 namespace cricket { 36 37 class VideoFrame; 38 39 // Abstract interface for rendering VideoFrames. 40 class VideoRenderer { 41 public: ~VideoRenderer()42 virtual ~VideoRenderer() {} 43 // Called when the video has changed size. 44 virtual bool SetSize(int width, int height, int reserved) = 0; 45 // Called when a new frame is available for display. 46 virtual bool RenderFrame(const VideoFrame *frame) = 0; 47 48 #ifdef _DEBUG 49 // Allow renderer dumping out rendered frames. SetDumpPath(const std::string & path)50 virtual bool SetDumpPath(const std::string &path) { return true; } 51 #endif // _DEBUG 52 }; 53 54 } // namespace cricket 55 56 #endif // TALK_SESSION_PHONE_VIDEORENDERER_H_ 57