273 lines
10 KiB
C
273 lines
10 KiB
C
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/*******************************************************************
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*
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* FILE: dciman.h
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*
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* DESCRIPTION: definitions for MS/Intel-defined DCI interface
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*
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* Copyright (c) 1994 Intel/Microsoft Corporation
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*
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*******************************************************************/
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#ifndef _INC_DCIDDI
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#define _INC_DCIDDI
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* DCI Command Escapes */
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#define DCICOMMAND 3075
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#define DCI_VERSION 0x0100
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#define DCICREATEPRIMARYSURFACE 1
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#define DCICREATEOFFSCREENSURFACE 2
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#define DCICREATEOVERLAYSURFACE 3
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#define DCIENUMSURFACE 4
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#define DCIESCAPE 5
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/* DCI-Defined error codes */
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#define DCI_OK 0 /* success */
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/* Hard errors -- DCI will be unavailable */
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#define DCI_FAIL_GENERIC -1
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#define DCI_FAIL_UNSUPPORTEDVERSION -2
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#define DCI_FAIL_INVALIDSURFACE -3
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#define DCI_FAIL_UNSUPPORTED -4
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/* Soft errors -- DCI may be available later */
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#define DCI_ERR_CURRENTLYNOTAVAIL -5
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#define DCI_ERR_INVALIDRECT -6
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#define DCI_ERR_UNSUPPORTEDFORMAT -7
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#define DCI_ERR_UNSUPPORTEDMASK -8
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#define DCI_ERR_TOOBIGHEIGHT -9
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#define DCI_ERR_TOOBIGWIDTH -10
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#define DCI_ERR_TOOBIGSIZE -11
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#define DCI_ERR_OUTOFMEMORY -12
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#define DCI_ERR_INVALIDPOSITION -13
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#define DCI_ERR_INVALIDSTRETCH -14
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#define DCI_ERR_INVALIDCLIPLIST -15
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#define DCI_ERR_SURFACEISOBSCURED -16
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#define DCI_ERR_XALIGN -18
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#define DCI_ERR_YALIGN -19
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#define DCI_ERR_XYALIGN -20
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#define DCI_ERR_WIDTHALIGN -21
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#define DCI_ERR_HEIGHTALIGN -22
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/* success messages -- DCI call succeeded, but specified item changed */
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#define DCI_STATUS_POINTERCHANGED 1
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#define DCI_STATUS_STRIDECHANGED 2
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#define DCI_STATUS_FORMATCHANGED 4
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#define DCI_STATUS_SURFACEINFOCHANGED 8
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#define DCI_STATUS_CHROMAKEYCHANGED 16
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#define DCI_STATUS_WASSTILLDRAWING 32
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/* DCI Capability Flags */
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#define DCI_SURFACE_TYPE 0x0000000F
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#define DCI_PRIMARY 0x00000000
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#define DCI_OFFSCREEN 0x00000001
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#define DCI_OVERLAY 0x00000002
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#define DCI_VISIBLE 0x00000010
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#define DCI_CHROMAKEY 0x00000020
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#define DCI_1632_ACCESS 0x00000040
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#define DCI_DWORDSIZE 0x00000080
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#define DCI_DWORDALIGN 0x00000100
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#define DCI_WRITEONLY 0x00000200
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#define DCI_ASYNC 0x00000400
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#define DCI_CAN_STRETCHX 0x00001000
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#define DCI_CAN_STRETCHY 0x00002000
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#define DCI_CAN_STRETCHXY (DCI_CAN_STRETCHX | DCI_CAN_STRETCHY)
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#define DCI_CAN_STRETCHXN 0x00004000
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#define DCI_CAN_STRETCHYN 0x00008000
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#define DCI_CAN_STRETCHXYN (DCI_CAN_STRETCHXN | DCI_CAN_STRETCHYN)
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#define DCI_CANOVERLAY 0x00010000
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/*
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* Win32 RGNDATA structure. This will be used for cliplist info. passing.
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*/
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#if (WINVER < 0x0400)
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#ifndef RDH_RECTANGLES
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typedef struct tagRECTL
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{
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LONG left;
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LONG top;
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LONG right;
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LONG bottom;
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} RECTL;
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typedef RECTL* PRECTL;
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typedef RECTL NEAR* NPRECTL;
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typedef RECTL FAR* LPRECTL;
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typedef const RECTL FAR* LPCRECTL;
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#define RDH_RECTANGLES 0
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typedef struct tagRGNDATAHEADER {
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DWORD dwSize; /* size of structure */
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DWORD iType; /* Will be RDH_RECTANGLES */
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DWORD nCount; /* # of clipping rectangles */
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DWORD nRgnSize; /* size of buffer -- can be zero */
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RECTL rcBound; /* bounding rectangle for region*/
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} RGNDATAHEADER;
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typedef RGNDATAHEADER* PRGNDATAHEADER;
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typedef RGNDATAHEADER NEAR* NPRGNDATAHEADER;
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typedef RGNDATAHEADER FAR* LPRGNDATAHEADER;
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typedef const RGNDATAHEADER FAR* LPCRGNDATAHEADER;
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typedef struct tagRGNDATA {
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RGNDATAHEADER rdh;
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char Buffer[1];
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} RGNDATA;
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typedef RGNDATA* PRGNDATA;
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typedef RGNDATA NEAR* NPRGNDATA;
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typedef RGNDATA FAR* LPRGNDATA;
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typedef const RGNDATA FAR* LPCRGNDATA;
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#endif
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#endif
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typedef int DCIRVAL; /* return for callbacks */
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/**************************************************************************
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* input structures
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**************************************************************************/
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/*
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* Used by a DCI client to provide input parameters for the
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* DCICREATEPRIMARYSURFACE escape.
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*/
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typedef struct _DCICMD {
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DWORD dwCommand;
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DWORD dwParam1;
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DWORD dwParam2;
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DWORD dwVersion;
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DWORD dwReserved;
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} DCICMD;
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/*
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* This structure is used by a DCI client to provide input parameters for
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* the DCICREATE... calls. The fields that are actually relevant differ for
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* each of the three calls. Details are in the DCI Spec chapter providing
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* the function specifications.
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*/
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typedef struct _DCICREATEINPUT {
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DCICMD cmd; /* common header structure */
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DWORD dwCompression; /* format of surface to be created */
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DWORD dwMask[3]; /* for nonstandard RGB (e.g. 5-6-5, RGB32) */
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DWORD dwWidth; /* height of the surface to be created */
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DWORD dwHeight; /* width of input surfaces */
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DWORD dwDCICaps; /* capabilities of surface wanted */
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LPVOID lpSurface; /* pointer to an associated surface */
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} DCICREATEINPUT, FAR *LPDCICREATEINPUT;
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/*
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* This structure is used by a DCI client to provide input parameters for the
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* DCIEnumSurface call.
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*/
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typedef struct _DCIENUMINPUT {
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DCICMD cmd; /* common header structure */
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RECT rSrc; /* source rect. for stretch */
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RECT rDst; /* dest. rect. for stretch */
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void (CALLBACK *EnumCallback)(LPDCISURFACEINFO, LPVOID); /* callback for supported formats */
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LPVOID lpContext;
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} DCIENUMINPUT, FAR *LPDCIENUMINPUT;
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/**************************************************************************
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* surface info. structures
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**************************************************************************/
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/*
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* This structure is used to return information about available support
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* during a DCIEnumSurface call. It is also used to create a primary
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* surface, and as a member of the larger structures returned by the
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* offscreen and overlay calls.
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*/
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typedef struct _DCISURFACEINFO {
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DWORD dwSize; /* size of structure */
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DWORD dwDCICaps; /* capability flags (stretch, etc.) */
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DWORD dwCompression; /* format of surface to be created */
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DWORD dwMask[3]; /* for BI_BITMASK surfaces */
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DWORD dwWidth; /* width of surface */
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DWORD dwHeight; /* height of surface */
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LONG lStride; /* distance in bytes betw. one pixel */
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/* and the pixel directly below it */
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DWORD dwBitCount; /* Bits per pixel for this dwCompression */
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DWORD dwOffSurface; /* offset of surface pointer */
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WORD wSelSurface; /* selector of surface pointer */
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WORD wReserved;
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DWORD dwReserved1; /* reserved for provider */
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DWORD dwReserved2; /* reserved for DCIMAN */
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DWORD dwReserved3; /* reserved for future */
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DCIRVAL (CALLBACK *BeginAccess) (LPVOID, LPRECT); /* BeginAccess callback */
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void (CALLBACK *EndAccess) (LPVOID); /* EndAcess callback */
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void (CALLBACK *DestroySurface) (LPVOID); /* Destroy surface callback */
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} DCISURFACEINFO, FAR *LPDCISURFACEINFO;
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/*
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* This structure must be allocated and returned by the DCI provider in
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* response to a DCICREATEPRIMARYSURFACE call.
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*/
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typedef DCISURFACEINFO DCIPRIMARY, FAR *LPDCIPRIMARY;
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/*
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* This structure must be allocated and returned by the DCI provider in
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* response to a DCICREATEOFFSCREENSURFACE call.
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*/
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typedef struct _DCIOFFSCREEN {
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DCISURFACEINFO dciInfo; /* surface info */
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DCIRVAL (CALLBACK *Draw) (LPVOID); /* copy to onscreen buffer */
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DCIRVAL (CALLBACK *SetClipList) (LPVOID, LPRGNDATA); /* SetCliplist callback */
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DCIRVAL (CALLBACK *SetDestination) (LPVOID, LPRECT, LPRECT); /* SetDestination callback */
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} DCIOFFSCREEN, FAR *LPDCIOFFSCREEN;
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/*
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* This structure must be allocated and returned by the DCI provider in response
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* to a DCICREATEOVERLAYSURFACE call.
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*/
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typedef struct _DCIOVERLAY{
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DCISURFACEINFO dciInfo; /* surface info */
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DWORD dwChromakeyValue; /* chromakey color value */
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DWORD dwChromakeyMask; /* specifies valid bits of value */
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} DCIOVERLAY, FAR *LPDCIOVERLAY;
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/* DCI FOURCC def.s for extended DIB formats */
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#ifndef YVU9
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#define YVU9 mmioFOURCC('Y','V','U','9')
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#endif
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#ifndef Y411
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#define Y411 mmioFOURCC('Y','4','1','1')
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#endif
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#ifndef YUY2
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#define YUY2 mmioFOURCC('Y','U','Y','2')
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#endif
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#ifndef YVYU
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#define YVYU mmioFOURCC('Y','V','Y','U')
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#endif
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#ifndef UYVY
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#define UYVY mmioFOURCC('U','Y','V','Y')
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#endif
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#ifndef Y211
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#define Y211 mmioFOURCC('Y','2','1','1')
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif // _INC_DCIDDI
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