| /* |
| * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ |
| #define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ |
| |
| #include "webrtc/modules/video_capture/device_info_impl.h" |
| #include "webrtc/modules/video_capture/video_capture_impl.h" |
| |
| #include <Dshow.h> |
| |
| namespace webrtc |
| { |
| namespace videocapturemodule |
| { |
| struct VideoCaptureCapabilityWindows: public VideoCaptureCapability |
| { |
| uint32_t directShowCapabilityIndex; |
| bool supportFrameRateControl; |
| VideoCaptureCapabilityWindows() |
| { |
| directShowCapabilityIndex = 0; |
| supportFrameRateControl = false; |
| } |
| }; |
| |
| class DeviceInfoDS: public DeviceInfoImpl |
| { |
| public: |
| // Factory function. |
| static DeviceInfoDS* Create(const int32_t id); |
| |
| DeviceInfoDS(const int32_t id); |
| virtual ~DeviceInfoDS(); |
| |
| int32_t Init(); |
| virtual uint32_t NumberOfDevices(); |
| |
| /* |
| * Returns the available capture devices. |
| */ |
| virtual int32_t |
| GetDeviceName(uint32_t deviceNumber, |
| char* deviceNameUTF8, |
| uint32_t deviceNameLength, |
| char* deviceUniqueIdUTF8, |
| uint32_t deviceUniqueIdUTF8Length, |
| char* productUniqueIdUTF8, |
| uint32_t productUniqueIdUTF8Length); |
| |
| /* |
| * Display OS /capture device specific settings dialog |
| */ |
| virtual int32_t |
| DisplayCaptureSettingsDialogBox( |
| const char* deviceUniqueIdUTF8, |
| const char* dialogTitleUTF8, |
| void* parentWindow, |
| uint32_t positionX, |
| uint32_t positionY); |
| |
| // Windows specific |
| |
| /* Gets a capture device filter |
| The user of this API is responsible for releasing the filter when it not needed. |
| */ |
| IBaseFilter * GetDeviceFilter(const char* deviceUniqueIdUTF8, |
| char* productUniqueIdUTF8 = NULL, |
| uint32_t productUniqueIdUTF8Length = 0); |
| |
| int32_t |
| GetWindowsCapability(const int32_t capabilityIndex, |
| VideoCaptureCapabilityWindows& windowsCapability); |
| |
| static void GetProductId(const char* devicePath, |
| char* productUniqueIdUTF8, |
| uint32_t productUniqueIdUTF8Length); |
| |
| protected: |
| int32_t GetDeviceInfo(uint32_t deviceNumber, |
| char* deviceNameUTF8, |
| uint32_t deviceNameLength, |
| char* deviceUniqueIdUTF8, |
| uint32_t deviceUniqueIdUTF8Length, |
| char* productUniqueIdUTF8, |
| uint32_t productUniqueIdUTF8Length); |
| |
| virtual int32_t |
| CreateCapabilityMap(const char* deviceUniqueIdUTF8); |
| |
| private: |
| ICreateDevEnum* _dsDevEnum; |
| IEnumMoniker* _dsMonikerDevEnum; |
| bool _CoUninitializeIsRequired; |
| std::vector<VideoCaptureCapabilityWindows> _captureCapabilitiesWindows; |
| }; |
| } // namespace videocapturemodule |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ |