[WIP] Move media/capture to device/capture

media/capture/video/linux/video_capture_device_linux.h

-// 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.
-
-// Linux specific implementation of VideoCaptureDevice.
-// V4L2 is used for capturing. V4L2 does not provide its own thread for
-// capturing so this implementation uses a Chromium thread for fetching frames
-// from V4L2.
-
-#ifndef MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_
-#define MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_
-
-#include <stdint.h>
-
-#include <string>
-
-#include "base/files/file_util.h"
-#include "base/files/scoped_file.h"
-#include "base/macros.h"
-#include "base/threading/thread.h"
-#include "media/base/video_capture_types.h"
-#include "media/capture/video/video_capture_device.h"
-
-namespace media {
-
-class V4L2CaptureDelegate;
-
-// Linux V4L2 implementation of VideoCaptureDevice.
-class VideoCaptureDeviceLinux : public VideoCaptureDevice {
- public:
-  static VideoPixelFormat V4l2FourCcToChromiumPixelFormat(uint32_t v4l2_fourcc);
-  static std::list<uint32_t> GetListOfUsableFourCCs(bool favour_mjpeg);
-
-  explicit VideoCaptureDeviceLinux(const Name& device_name);
-  ~VideoCaptureDeviceLinux() override;
-
-  // VideoCaptureDevice implementation.
-  void AllocateAndStart(const VideoCaptureParams& params,
-                        std::unique_ptr<Client> client) override;
-  void StopAndDeAllocate() override;
-
- protected:
-  void SetRotation(int rotation);
-
- private:
-  static int TranslatePowerLineFrequencyToV4L2(PowerLineFrequency frequency);
-
-  // Internal delegate doing the actual capture setting, buffer allocation and
-  // circulation with the V4L2 API. Created and deleted in the thread where
-  // VideoCaptureDeviceLinux lives but otherwise operating on |v4l2_thread_|.
-  scoped_refptr<V4L2CaptureDelegate> capture_impl_;
-
-  base::Thread v4l2_thread_;  // Thread used for reading data from the device.
-
-  const Name device_name_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_