1 // libjingle 2 // Copyright 2011 Google Inc. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // 1. Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // 3. The name of the author may not be used to endorse or promote products 13 // derived from this software without specific prior written permission. 14 // 15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 16 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 // 26 // Definition of class CarbonVideoRenderer that implements the abstract class 27 // cricket::VideoRenderer via Carbon. 28 29 #ifndef TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_ 30 #define TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_ 31 32 #include <Carbon/Carbon.h> 33 34 #include "talk/base/criticalsection.h" 35 #include "talk/base/scoped_ptr.h" 36 #include "talk/media/base/videorenderer.h" 37 38 namespace cricket { 39 40 class CarbonVideoRenderer : public VideoRenderer { 41 public: 42 CarbonVideoRenderer(int x, int y); 43 virtual ~CarbonVideoRenderer(); 44 45 // Implementation of pure virtual methods of VideoRenderer. 46 // These two methods may be executed in different threads. 47 // SetSize is called before RenderFrame. 48 virtual bool SetSize(int width, int height, int reserved); 49 virtual bool RenderFrame(const VideoFrame* frame); 50 51 // Needs to be called on the main thread. 52 bool Initialize(); 53 54 private: 55 bool DrawFrame(); 56 57 static OSStatus DrawEventHandler(EventHandlerCallRef handler, 58 EventRef event, 59 void* data); 60 talk_base::scoped_ptr<uint8[]> image_; 61 talk_base::CriticalSection image_crit_; 62 int image_width_; 63 int image_height_; 64 int x_; 65 int y_; 66 CGImageRef image_ref_; 67 WindowRef window_ref_; 68 }; 69 70 } // namespace cricket 71 72 #endif // TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_ 73