media/capture/video/linux/video_capture_device_chromeos.h

   1 // Copyright 2014 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 MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
   6 #define MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
   7
   8 #include "media/capture/video/linux/video_capture_device_linux.h"
   9
  10 namespace gfx {
  11 class Display;
  12 }  // namespace gfx
  13
  14 namespace media {
  15
  16 // This class is functionally the same as VideoCaptureDeviceLinux, with the
  17 // exception that it is aware of the orientation of the internal Display.  When
  18 // the internal Display is rotated, the frames captured are rotated to match.
  19 class VideoCaptureDeviceChromeOS : public VideoCaptureDeviceLinux {
  20  public:
  21   explicit VideoCaptureDeviceChromeOS(
  22       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
  23       const Name& device_name);
  24   ~VideoCaptureDeviceChromeOS() override;
  25
  26  private:
  27   class ScreenObserverDelegate;
  28
  29   void SetDisplayRotation(const gfx::Display& display);
  30   scoped_refptr<ScreenObserverDelegate> screen_observer_delegate_;
  31   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceChromeOS);
  32 };
  33
  34 }  // namespace media
  35
  36 #endif  // MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_