media/video/capture/fake_video_capture_device_factory.h

// Copyright 2014 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.

// Implementation of a fake VideoCaptureDeviceFactory class.

#ifndef MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
#define MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_

#include "media/video/capture/video_capture_device_factory.h"

namespace media {

// Extension of VideoCaptureDeviceFactory to create and manipulate fake devices,
// not including file-based ones.
class MEDIA_EXPORT FakeVideoCaptureDeviceFactory :
    public VideoCaptureDeviceFactory {
 public:
  FakeVideoCaptureDeviceFactory();
  ~FakeVideoCaptureDeviceFactory() override {}

  scoped_ptr<VideoCaptureDevice> Create(
      const VideoCaptureDevice::Name& device_name) override;
  void GetDeviceNames(VideoCaptureDevice::Names* device_names) override;
  void GetDeviceSupportedFormats(
      const VideoCaptureDevice::Name& device,
      VideoCaptureFormats* supported_formats) override;

  void set_number_of_devices(int number_of_devices) {
    DCHECK(thread_checker_.CalledOnValidThread());
    number_of_devices_ = number_of_devices;
  }
  int number_of_devices() {
    DCHECK(thread_checker_.CalledOnValidThread());
    return number_of_devices_;
  }

 private:
  int number_of_devices_;
};

}  // namespace media

#endif  // MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_