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| 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 // Definition of class GtkVideoRenderer that implements the abstract class | |
| 29 // cricket::VideoRenderer via GTK. | |
| 30 | |
| 31 #ifndef TALK_MEDIA_DEVICES_GTKVIDEORENDERER_H_ | |
| 32 #define TALK_MEDIA_DEVICES_GTKVIDEORENDERER_H_ | |
| 33 | |
| 34 #include "talk/media/base/videorenderer.h" | |
| 35 #include "webrtc/base/basictypes.h" | |
| 36 #include "webrtc/base/scoped_ptr.h" | |
| 37 | |
| 38 typedef struct _GtkWidget GtkWidget; // forward declaration, defined in gtk.h | |
| 39 | |
| 40 namespace cricket { | |
| 41 | |
| 42 class GtkVideoRenderer : public VideoRenderer { | |
| 43 public: | |
| 44 GtkVideoRenderer(int x, int y); | |
| 45 virtual ~GtkVideoRenderer(); | |
| 46 | |
| 47 // Implementation of pure virtual methods of VideoRenderer. | |
| 48 // These two methods may be executed in different threads. | |
| 49 // SetSize is called before RenderFrame. | |
| 50 virtual bool SetSize(int width, int height, int reserved); | |
| 51 virtual bool RenderFrame(const VideoFrame* frame); | |
| 52 | |
| 53 private: | |
| 54 // Initialize the attributes when the first frame arrives. | |
| 55 bool Initialize(int width, int height); | |
| 56 // Pump the Gtk event loop until there are no events left. | |
| 57 void Pump(); | |
| 58 // Check if the window has been closed. | |
| 59 bool IsClosed() const; | |
| 60 | |
| 61 rtc::scoped_ptr<uint8_t[]> image_; | |
| 62 GtkWidget* window_; | |
| 63 GtkWidget* draw_area_; | |
| 64 // The initial position of the window. | |
| 65 int initial_x_; | |
| 66 int initial_y_; | |
| 67 | |
| 68 int width_; | |
| 69 int height_; | |
| 70 }; | |
| 71 | |
| 72 } // namespace cricket | |
| 73 | |
| 74 #endif // TALK_MEDIA_DEVICES_GTKVIDEORENDERER_H_ | |
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