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Diffstat (limited to 'third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h')
-rw-r--r-- | third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h b/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h new file mode 100644 index 0000000000..e6dfaed366 --- /dev/null +++ b/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h @@ -0,0 +1,107 @@ +/* + * 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 MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ +#define MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ + +#include <dshow.h> +#include <Ks.h> +#include <dbt.h> + +#include "modules/video_capture/device_info_impl.h" +#include "modules/video_capture/video_capture.h" +#include "modules/video_capture/video_capture_impl.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(); + + DeviceInfoDS(); + ~DeviceInfoDS() override; + + int32_t Init() override; + uint32_t NumberOfDevices() override; + + /* + * Returns the available capture devices. + */ + int32_t GetDeviceName(uint32_t deviceNumber, + char* deviceNameUTF8, + uint32_t deviceNameLength, + char* deviceUniqueIdUTF8, + uint32_t deviceUniqueIdUTF8Length, + char* productUniqueIdUTF8, + uint32_t productUniqueIdUTF8Length, + pid_t* pid) override; + + /* + * Display OS /capture device specific settings dialog + */ + int32_t DisplayCaptureSettingsDialogBox(const char* deviceUniqueIdUTF8, + const char* dialogTitleUTF8, + void* parentWindow, + uint32_t positionX, + uint32_t positionY) override; + + // 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( + 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); + + int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8) override + RTC_EXCLUSIVE_LOCKS_REQUIRED(_apiLock); + + private: + ICreateDevEnum* _dsDevEnum; + IEnumMoniker* _dsMonikerDevEnum; + bool _CoUninitializeIsRequired; + std::vector<VideoCaptureCapabilityWindows> _captureCapabilitiesWindows; + HWND _hwnd; + WNDCLASS _wndClass; + HINSTANCE _hInstance; + HDEVNOTIFY _hdevnotify; +}; +} // namespace videocapturemodule +} // namespace webrtc +#endif // MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_ |