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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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