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// Copyright 2015 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_TEST_VIDEO_FRAME_WRITER_H_
#define REMOTING_TEST_VIDEO_FRAME_WRITER_H_
#include "base/macros.h"
#include "base/time/time.h"
namespace base {
class FilePath;
}
namespace webrtc {
class DesktopFrame;
class DesktopRect;
}
namespace remoting {
namespace test {
// A helper class to dump video frames to disk.
class VideoFrameWriter {
public:
VideoFrameWriter();
~VideoFrameWriter();
// Save video frame to a local path.
void WriteFrameToPath(const webrtc::DesktopFrame& frame,
const base::FilePath& image_path);
// Save video frame to path named with the |instance_creation_time|.
void WriteFrameToDefaultPath(const webrtc::DesktopFrame& frame);
// Highlight |rect| on the frame by shifting the RGB value of pixels on the
// border of |rect|.
void HighlightRectInFrame(webrtc::DesktopFrame* frame,
const webrtc::DesktopRect& rect);
private:
// Returns a FilePath by appending the creation time of this object.
base::FilePath AppendCreationDateAndTime(const base::FilePath& file_path);
// Returns true if directory already exists or it was created successfully.
bool CreateDirectoryIfNotExists(const base::FilePath& file_path);
// Helper function to shift the RGB value of the pixel at location (x, y) by
// |shift_amount| on each channel.
static void ShiftPixelColor(webrtc::DesktopFrame* frame,
int x,
int y,
int shift_amount);
// Used to create a unique folder to dump video frames.
const base::Time instance_creation_time_;
// Used to append before file extension to create unique file name.
int frame_name_unique_number_;
DISALLOW_COPY_AND_ASSIGN(VideoFrameWriter);
};
} // namespace test
} // namespace remoting
#endif // REMOTING_TEST_VIDEO_FRAME_WRITER_H_
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