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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_
#define REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_
#include "base/memory/scoped_ptr.h"
#include "remoting/host/video_frame_capturer.h"
#include "remoting/host/video_frame_capturer_helper.h"
namespace remoting {
// A VideoFrameCapturerFake generates artificial image for testing purpose.
//
// VideoFrameCapturerFake is double-buffered as required by VideoFrameCapturer.
// See remoting/host/video_frame_capturer.h.
class VideoFrameCapturerFake : public VideoFrameCapturer {
public:
VideoFrameCapturerFake();
virtual ~VideoFrameCapturerFake();
// Overridden from VideoFrameCapturer:
virtual void Start(
const CursorShapeChangedCallback& callback) OVERRIDE;
virtual void Stop() OVERRIDE;
virtual media::VideoFrame::Format pixel_format() const OVERRIDE;
virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
virtual void CaptureInvalidRegion(
const CaptureCompletedCallback& callback) OVERRIDE;
virtual const SkISize& size_most_recent() const OVERRIDE;
private:
// Generates an image in the front buffer.
void GenerateImage();
// Called when the screen configuration is changed.
void ScreenConfigurationChanged();
SkISize size_;
int bytes_per_row_;
int box_pos_x_;
int box_pos_y_;
int box_speed_x_;
int box_speed_y_;
VideoFrameCapturerHelper helper_;
// We have two buffers for the screen images as required by Capturer.
static const int kNumBuffers = 2;
scoped_array<uint8> buffers_[kNumBuffers];
// The current buffer with valid data for reading.
int current_buffer_;
// Format of pixels returned in buffer.
media::VideoFrame::Format pixel_format_;
DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerFake);
};
} // namespace remoting
#endif // REMOTING_HOST_VIDEO_FRAME_CAPTURER_FAKE_H_
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