carbonvideorenderer.h revision 0c4e06b4c6107a1b94f764e279e4fb4161e905b0 
1/*
2 * libjingle
3 * Copyright 2011 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 CarbonVideoRenderer that implements the abstract class
29// cricket::VideoRenderer via Carbon.
30
31#ifndef TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
32#define TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
33
34#include <Carbon/Carbon.h>
35
36#include "talk/media/base/videorenderer.h"
37#include "webrtc/base/criticalsection.h"
38#include "webrtc/base/scoped_ptr.h"
39
40namespace cricket {
41
42class CarbonVideoRenderer : public VideoRenderer {
43 public:
44  CarbonVideoRenderer(int x, int y);
45  virtual ~CarbonVideoRenderer();
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  // Needs to be called on the main thread.
54  bool Initialize();
55
56 private:
57  bool DrawFrame();
58
59  static OSStatus DrawEventHandler(EventHandlerCallRef handler,
60                                   EventRef event,
61                                   void* data);
62  rtc::scoped_ptr<uint8_t[]> image_;
63  rtc::CriticalSection image_crit_;
64  int image_width_;
65  int image_height_;
66  int x_;
67  int y_;
68  CGImageRef image_ref_;
69  WindowRef window_ref_;
70};
71
72}  // namespace cricket
73
74#endif  // TALK_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
75