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

Issue 11470028: Move screen capturers to remoting/capturer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years 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_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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