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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_ | |
6 #define REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "remoting/host/video_frame_capturer.h" | |
10 #include "remoting/host/video_frame_capturer_helper.h" | |
11 | |
12 namespace remoting { | |
13 | |
14 // A VideoFrameCapturerFake generates artificial image for testing purpose. | |
15 // | |
16 // VideoFrameCapturerFake is double-buffered as required by VideoFrameCapturer. | |
17 // See remoting/host/video_frame_capturer.h. | |
18 class VideoFrameCapturerFake : public VideoFrameCapturer { | |
19 public: | |
20 VideoFrameCapturerFake(); | |
21 virtual ~VideoFrameCapturerFake(); | |
22 | |
23 // Overridden from VideoFrameCapturer: | |
24 virtual void Start(Delegate* delegate) OVERRIDE; | |
25 virtual void Stop() OVERRIDE; | |
26 virtual media::VideoFrame::Format pixel_format() const OVERRIDE; | |
27 virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE; | |
28 virtual void CaptureFrame() OVERRIDE; | |
29 virtual const SkISize& size_most_recent() const OVERRIDE; | |
30 | |
31 private: | |
32 // Generates an image in the front buffer. | |
33 void GenerateImage(); | |
34 | |
35 // Called when the screen configuration is changed. | |
36 void ScreenConfigurationChanged(); | |
37 | |
38 Delegate* delegate_; | |
39 | |
40 SkISize size_; | |
41 int bytes_per_row_; | |
42 int box_pos_x_; | |
43 int box_pos_y_; | |
44 int box_speed_x_; | |
45 int box_speed_y_; | |
46 | |
47 VideoFrameCapturerHelper helper_; | |
48 | |
49 // We have two buffers for the screen images as required by Capturer. | |
50 static const int kNumBuffers = 2; | |
51 scoped_array<uint8> buffers_[kNumBuffers]; | |
52 | |
53 // The current buffer with valid data for reading. | |
54 int current_buffer_; | |
55 | |
56 // Format of pixels returned in buffer. | |
57 media::VideoFrame::Format pixel_format_; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerFake); | |
60 }; | |
61 | |
62 } // namespace remoting | |
63 | |
64 #endif // REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_ | |
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