Leaked source code of windows server 2003
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
VfWExt.h
Abstract:
Constants and function prototypes needed to create IHV's extension DLL and constants used to programatically open a target capture device. Author: Yee J. Wu (ezuwu) 15-September-97
Environment:
User mode only
Revision History:
--*/
#include <prsht.h>
#define VFW_HIDE_SETTINGS_PAGE 0x00000001
#define VFW_HIDE_VIDEOSRC_PAGE 0x00000002
#define VFW_HIDE_CAMERACONTROL_PAGE 0x00000004
#define VFW_HIDE_ALL_PAGES (VFW_HIDE_SETTINGS_PAGE |\
VFW_HIDE_VIDEOSRC_PAGE |\ VFW_HIDE_CAMERACONTROL_PAGE)#define VFW_OEM_ADD_PAGE 0x80000000 // If OEM has added any page
#define VFW_USE_DEVICE_HANDLE 0x00000001
#define VFW_USE_STREAM_HANDLE 0x00000002
#define VFW_QUERY_DEV_CHANGED 0x00000100 // if selected_dev == streaming_dev
//
// This is the function pointer that vfwwdm mapper calls to add an page
//
typedef DWORD (CALLBACK FAR * VFWWDMExtensionProc)( LPVOID pfnDeviceIoControl, LPFNADDPROPSHEETPAGE pfnAddPropertyPage, LPARAM lParam);
//
// This is the function pointer that you can call to make DeviceIoControl() calls.
//
typedef BOOL (CALLBACK FAR * LPFNEXTDEVIO)( LPARAM lParam, DWORD dwFlags, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
//
// HLM\System\CurrentControlSet\Control\MediaResources\msvideo\MSVideo.VFWWDM
//
// Registry values used to allow a VfW client application to programatically
// open a target capture device. The first is the FriendlyName of the capture
// device; and the 2nd flag if set, vfwwdm mapper will open only; if failed,
// no attempt will be made by VfWWDM mapper to open other WDM capture device.
//
// Both registry value should be clear after capDriverConnect(). VfWWDM mapper
// will not clear them unless video source dialog box is chosen.
//
#define TARGET_DEVICE_FRIENDLY_NAME "TargetDeviceFriendlyName" // REG_SZ
#define TARGET_DEVICE_OPEN_EXCLUSIVELY "TargetDeviceOpenExclusively" // REG_DWORD
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