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/media/base/videorenderer.h"
35#include "webrtc/base/criticalsection.h"
36#include "webrtc/base/scoped_ptr.h"
37
38namespace cricket {
39
40class 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  rtc::scoped_ptr<uint8[]> image_;
61  rtc::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