/****************************************************************************/
/*                                                                          */
/* NOTE: The original location of this file was in the (ms)video            */
/*       subdirectory.  It was moved to AVICAP when the video thunks were   */
/*       moved to AVICAP.  There is probably some spurious information.     */
/*                                                                          */
/*        MSVIDEOI.H - Internal Include file for Video APIs                 */
/*                                                                          */
/*        Note: You must include WINDOWS.H before including this file.      */
/*                                                                          */
/*        Copyright (c) 1990-1994, Microsoft Corp.  All rights reserved.    */
/*                                                                          */
/****************************************************************************/

#ifdef BUILDDLL
#undef WINAPI
#define WINAPI FAR PASCAL _loadds
#endif

/****************************************************************************

                   Digital Video Driver Structures

****************************************************************************/

#define MAXVIDEODRIVERS 10

/****************************************************************************

                            Globals

****************************************************************************/

//extern UINT      wTotalVideoDevs;                  // total video devices
// The module handle is used in drawdib to load strings from the resource file
//extern HINSTANCE ghInst;                           // our module handle

extern SZCODE szNull[];
extern SZCODE szVideo[];
extern SZCODE szSystemIni[];
extern SZCODE szDrivers[];

/* internal video function prototypes */

#ifdef _WIN32
/*
 * don't lock pages in NT
 */
#define HugePageLock(x, y)		(TRUE)
#define HugePageUnlock(x, y)
#else

BOOL FAR PASCAL HugePageLock(LPVOID lpArea, DWORD dwLength);
void FAR PASCAL HugePageUnlock(LPVOID lpArea, DWORD dwLength);

#define videoGetErrorTextW videoGetErrorText

#endif

/****************************************************************************
****************************************************************************/

#ifdef DEBUG_RETAIL
    #define DebugErr(flags, sz)         {static SZCODE ach[] = "MSVIDEO: "sz; DebugOutput((flags)   | DBF_DRIVER, ach); }
#else
    #define DebugErr(flags, sz)
#endif

/****************************************************************************
****************************************************************************/

#ifdef DEBUG
    extern int videoDebugLevel;
    extern void FAR CDECL dprintf(LPSTR szFormat, ...);
    #define DPF( _x_ )	if (videoDebugLevel >= 1) thkdprintf _x_
    #define DPF0( _x_ )                           thkdprintf _x_
    #define DPF1( _x_ )	if (videoDebugLevel >= 1) thkdprintf _x_
    #define DPF2( _x_ )	if (videoDebugLevel >= 2) thkdprintf _x_
    #define DPF3( _x_ )	if (videoDebugLevel >= 3) thkdprintf _x_
    #define DPF4( _x_ ) if (videoDebugLevel >= 4) thkdprintf _x_
#else
    /* debug printf macros */
    #define DPF( x )
    #define DPF0( x )
    #define DPF1( x )
    #define DPF2( x )
    #define DPF3( x )
    #define DPF4( x )
#endif