media/capture/video/fake_video_capture_device_factory.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 // Implementation of a fake VideoCaptureDeviceFactory class.
   6
   7 #ifndef MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
   8 #define MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
   9
  10 #include "media/capture/video/video_capture_device_factory.h"
  11
  12 namespace media {
  13
  14 // Extension of VideoCaptureDeviceFactory to create and manipulate fake devices,
  15 // not including file-based ones.
  16 class MEDIA_EXPORT FakeVideoCaptureDeviceFactory
  17     : public VideoCaptureDeviceFactory {
  18  public:
  19   FakeVideoCaptureDeviceFactory();
  20   ~FakeVideoCaptureDeviceFactory() override {}
  21
  22   scoped_ptr<VideoCaptureDevice> Create(
  23       const VideoCaptureDevice::Name& device_name) override;
  24   void GetDeviceNames(VideoCaptureDevice::Names* device_names) override;
  25   void GetDeviceSupportedFormats(
  26       const VideoCaptureDevice::Name& device,
  27       VideoCaptureFormats* supported_formats) override;
  28
  29   void set_number_of_devices(int number_of_devices) {
  30     DCHECK(thread_checker_.CalledOnValidThread());
  31     number_of_devices_ = number_of_devices;
  32   }
  33   int number_of_devices() {
  34     DCHECK(thread_checker_.CalledOnValidThread());
  35     return number_of_devices_;
  36   }
  37
  38  private:
  39   int number_of_devices_;
  40 };
  41
  42 }  // namespace media
  43
  44 #endif  // MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_FACTORY_H_