74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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VfWExt.h
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Abstract:
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Constants and function prototypes needed to create IHV's extension DLL
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and constants used to programatically open a target capture device.
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--*/
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#include <prsht.h>
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#define VFW_HIDE_SETTINGS_PAGE 0x00000001
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#define VFW_HIDE_VIDEOSRC_PAGE 0x00000002
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#define VFW_HIDE_CAMERACONTROL_PAGE 0x00000004
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#define VFW_HIDE_ALL_PAGES (VFW_HIDE_SETTINGS_PAGE |\
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VFW_HIDE_VIDEOSRC_PAGE |\
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VFW_HIDE_CAMERACONTROL_PAGE)
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#define VFW_OEM_ADD_PAGE 0x80000000 // If OEM has added any page
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#define VFW_USE_DEVICE_HANDLE 0x00000001
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#define VFW_USE_STREAM_HANDLE 0x00000002
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#define VFW_QUERY_DEV_CHANGED 0x00000100 // if selected_dev == streaming_dev
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//
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// This is the function pointer that vfwwdm mapper calls to add an page
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//
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typedef
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DWORD (CALLBACK FAR * VFWWDMExtensionProc)(
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LPVOID pfnDeviceIoControl,
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LPFNADDPROPSHEETPAGE pfnAddPropertyPage,
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LPARAM lParam);
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//
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// This is the function pointer that you can call to make DeviceIoControl() calls.
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//
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typedef
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BOOL (CALLBACK FAR * LPFNEXTDEVIO)(
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LPARAM lParam,
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DWORD dwFlags,
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DWORD dwIoControlCode,
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LPVOID lpInBuffer,
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DWORD nInBufferSize,
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LPVOID lpOutBuffer,
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DWORD nOutBufferSize,
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LPDWORD lpBytesReturned,
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LPOVERLAPPED lpOverlapped);
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//
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// HLM\System\CurrentControlSet\Control\MediaResources\msvideo\MSVideo.VFWWDM
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//
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// Registry values used to allow a VfW client application to programatically
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// open a target capture device. The first is the FriendlyName of the capture
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// device; and the 2nd flag if set, vfwwdm mapper will open only; if failed,
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// no attempt will be made by VfWWDM mapper to open other WDM capture device.
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//
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// Both registry value should be clear after capDriverConnect(). VfWWDM mapper
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// will not clear them unless video source dialog box is chosen.
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//
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#define TARGET_DEVICE_FRIENDLY_NAME "TargetDeviceFriendlyName" // REG_SZ
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#define TARGET_DEVICE_OPEN_EXCLUSIVELY "TargetDeviceOpenExclusively" // REG_DWORD
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