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Side by Side Diff: remoting/capturer/video_frame_capturer_fake.h

Issue 12047101: Move screen capturers from remoting/capturer to media/video/capturer/screen (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 months ago
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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_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
6 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
7
8 #include "base/memory/scoped_ptr.h"
9 #include "remoting/capturer/video_frame_capturer.h"
10 #include "remoting/capturer/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 generates a picture of size kWidth x kHeight.
21 static const int kWidth = 800;
22 static const int kHeight = 600;
23
24 VideoFrameCapturerFake();
25 virtual ~VideoFrameCapturerFake();
26
27 // Overridden from VideoFrameCapturer:
28 virtual void Start(Delegate* delegate) OVERRIDE;
29 virtual void Stop() OVERRIDE;
30 virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
31 virtual void CaptureFrame() OVERRIDE;
32
33 private:
34 // Generates an image in the front buffer.
35 void GenerateImage();
36
37 // Called when the screen configuration is changed.
38 void ScreenConfigurationChanged();
39
40 Delegate* delegate_;
41
42 SkISize size_;
43 int bytes_per_row_;
44 int box_pos_x_;
45 int box_pos_y_;
46 int box_speed_x_;
47 int box_speed_y_;
48
49 VideoFrameCapturerHelper helper_;
50
51 // We have two buffers for the screen images as required by Capturer.
52 static const int kNumBuffers = 2;
53 scoped_array<uint8> buffers_[kNumBuffers];
54
55 // The current buffer with valid data for reading.
56 int current_buffer_;
57
58 DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerFake);
59 };
60
61 } // namespace remoting
62
63 #endif // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
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