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| 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 Windows platforms. | |
| 6 | |
| 7 #ifndef MEDIA_CAPTURE_VIDEO_WIN_VIDEO_CAPTURE_DEVICE_FACTORY_WIN_H_ | |
| 8 #define MEDIA_CAPTURE_VIDEO_WIN_VIDEO_CAPTURE_DEVICE_FACTORY_WIN_H_ | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "media/capture/video/video_capture_device_factory.h" | |
| 12 | |
| 13 namespace media { | |
| 14 | |
| 15 // Extension of VideoCaptureDeviceFactory to create and manipulate Windows | |
| 16 // devices, via either DirectShow or MediaFoundation APIs. | |
| 17 class CAPTURE_EXPORT VideoCaptureDeviceFactoryWin | |
| 18 : public VideoCaptureDeviceFactory { | |
| 19 public: | |
| 20 static bool PlatformSupportsMediaFoundation(); | |
| 21 | |
| 22 VideoCaptureDeviceFactoryWin(); | |
| 23 ~VideoCaptureDeviceFactoryWin() override {} | |
| 24 | |
| 25 std::unique_ptr<VideoCaptureDevice> CreateDevice( | |
| 26 const VideoCaptureDeviceDescriptor& device_descriptor) override; | |
| 27 void GetDeviceDescriptors( | |
| 28 VideoCaptureDeviceDescriptors* device_descriptors) override; | |
| 29 void GetSupportedFormats( | |
| 30 const VideoCaptureDeviceDescriptor& device_descriptor, | |
| 31 VideoCaptureFormats* supported_formats) override; | |
| 32 | |
| 33 private: | |
| 34 // Media Foundation is available in Win7 and later, use it if explicitly | |
| 35 // forced via flag, else use DirectShow. | |
| 36 const bool use_media_foundation_; | |
| 37 | |
| 38 DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactoryWin); | |
| 39 }; | |
| 40 | |
| 41 } // namespace media | |
| 42 | |
| 43 #endif // MEDIA_CAPTURE_VIDEO_WIN_VIDEO_CAPTURE_DEVICE_FACTORY_WIN_H_ | |
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