andrew@webrtc.org | a7b57da | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_WINDOWS_H_ |
| 12 | #define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_WINDOWS_H_ |
| 13 | |
| 14 | #include "../video_capture_impl.h" |
| 15 | #include "../device_info_impl.h" |
| 16 | |
| 17 | #include <Dshow.h> |
| 18 | #include "map_wrapper.h" |
| 19 | |
| 20 | // forward declarations |
| 21 | namespace webrtc |
| 22 | { |
| 23 | namespace videocapturemodule |
| 24 | { |
| 25 | struct VideoCaptureCapabilityWindows: public VideoCaptureCapability |
| 26 | { |
| 27 | WebRtc_UWord32 directShowCapabilityIndex; |
| 28 | bool supportFrameRateControl; |
| 29 | VideoCaptureCapabilityWindows() |
| 30 | { |
| 31 | directShowCapabilityIndex = 0; |
| 32 | supportFrameRateControl = false; |
| 33 | } |
| 34 | |
| 35 | }; |
| 36 | class DeviceInfoWindows: public DeviceInfoImpl |
| 37 | { |
| 38 | public: |
| 39 | DeviceInfoWindows(const WebRtc_Word32 id); |
| 40 | virtual ~DeviceInfoWindows(); |
| 41 | |
| 42 | WebRtc_Word32 Init(); |
| 43 | virtual WebRtc_UWord32 NumberOfDevices(); |
| 44 | |
| 45 | /* |
| 46 | * Returns the available capture devices. |
| 47 | */ |
| 48 | virtual WebRtc_Word32 |
| 49 | GetDeviceName(WebRtc_UWord32 deviceNumber, |
| 50 | char* deviceNameUTF8, |
| 51 | WebRtc_UWord32 deviceNameLength, |
| 52 | char* deviceUniqueIdUTF8, |
| 53 | WebRtc_UWord32 deviceUniqueIdUTF8Length, |
| 54 | char* productUniqueIdUTF8, |
| 55 | WebRtc_UWord32 productUniqueIdUTF8Length); |
| 56 | |
| 57 | /* |
| 58 | * Display OS /capture device specific settings dialog |
| 59 | */ |
| 60 | virtual WebRtc_Word32 |
| 61 | DisplayCaptureSettingsDialogBox( |
| 62 | const char* deviceUniqueIdUTF8, |
| 63 | const char* dialogTitleUTF8, |
| 64 | void* parentWindow, |
| 65 | WebRtc_UWord32 positionX, |
| 66 | WebRtc_UWord32 positionY); |
| 67 | |
| 68 | // Windows specific |
| 69 | |
| 70 | /* Gets a capture device filter |
| 71 | The user of this API is responsible for releasing the filter when it not needed. |
| 72 | */ |
| 73 | IBaseFilter * GetDeviceFilter(const char* deviceUniqueIdUTF8, |
| 74 | char* productUniqueIdUTF8 = NULL, |
| 75 | WebRtc_UWord32 productUniqueIdUTF8Length = 0); |
| 76 | |
| 77 | WebRtc_Word32 |
| 78 | GetWindowsCapability(const WebRtc_Word32 capabilityIndex, |
| 79 | VideoCaptureCapabilityWindows& windowsCapability); |
| 80 | |
| 81 | static void GetProductId(const char* devicePath, |
| 82 | char* productUniqueIdUTF8, |
| 83 | WebRtc_UWord32 productUniqueIdUTF8Length); |
| 84 | protected: |
| 85 | |
| 86 | WebRtc_Word32 GetDeviceInfo(WebRtc_UWord32 deviceNumber, |
| 87 | char* deviceNameUTF8, |
| 88 | WebRtc_UWord32 deviceNameLength, |
| 89 | char* deviceUniqueIdUTF8, |
| 90 | WebRtc_UWord32 deviceUniqueIdUTF8Length, |
| 91 | char* productUniqueIdUTF8, |
| 92 | WebRtc_UWord32 productUniqueIdUTF8Length); |
| 93 | |
| 94 | virtual WebRtc_Word32 |
| 95 | CreateCapabilityMap(const char* deviceUniqueIdUTF8); |
| 96 | |
| 97 | private: |
| 98 | ICreateDevEnum* _dsDevEnum; |
| 99 | IEnumMoniker* _dsMonikerDevEnum; |
| 100 | bool _CoUninitializeIsRequired; |
| 101 | |
| 102 | }; |
| 103 | } // namespace videocapturemodule |
| 104 | } // namespace webrtc |
| 105 | #endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_WINDOWS_H_ |