media/capture/video/mac/video_capture_device_factory_mac.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 VideoCaptureDeviceFactory class for Mac.
   6
   7 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_H_
   8 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_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 Mac devices.
  15 class MEDIA_EXPORT VideoCaptureDeviceFactoryMac
  16     : public VideoCaptureDeviceFactory {
  17  public:
  18   static bool PlatformSupportsAVFoundation();
  19
  20   explicit VideoCaptureDeviceFactoryMac(
  21       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
  22   ~VideoCaptureDeviceFactoryMac() override;
  23
  24   scoped_ptr<VideoCaptureDevice> Create(
  25       const VideoCaptureDevice::Name& device_name) override;
  26   void GetDeviceNames(VideoCaptureDevice::Names* device_names) override;
  27   void EnumerateDeviceNames(const base::Callback<
  28       void(scoped_ptr<media::VideoCaptureDevice::Names>)>& callback) override;
  29   void GetDeviceSupportedFormats(
  30       const VideoCaptureDevice::Name& device,
  31       VideoCaptureFormats* supported_formats) override;
  32
  33  private:
  34   // Cache of |ui_task_runner| for enumerating devices there for QTKit.
  35   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactoryMac);
  38 };
  39
  40 }  // namespace media
  41
  42 #endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_H_