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wine/dlls/msvideo.dll16/msvideo16.c

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/*
* msvideo 16-bit functions
*
* Copyright 1998 Marcus Meissner
* Copyright 2000 Bradley Baetz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winver.h"
#include "winnls.h"
#include "winreg.h"
#include "winuser.h"
#include "wine/winbase16.h"
#include "wownt32.h"
#include "vfw16.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
/* Drivers32 settings */
#define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
/* handle16 --> handle conversions */
#define HDRAWDIB_32(h16) ((HDRAWDIB)(ULONG_PTR)(h16))
#define HIC_32(h16) ((HIC)(ULONG_PTR)(h16))
/* handle --> handle16 conversions */
#define HDRVR_16(h32) (LOWORD(h32))
#define HDRAWDIB_16(h32) (LOWORD(h32))
#define HIC_16(h32) (LOWORD(h32))
/***********************************************************************
* DrawDibOpen [MSVIDEO.102]
*/
HDRAWDIB16 VFWAPI DrawDibOpen16(void)
{
return HDRAWDIB_16(DrawDibOpen());
}
/***********************************************************************
* DrawDibClose [MSVIDEO.103]
*/
BOOL16 VFWAPI DrawDibClose16(HDRAWDIB16 hdd)
{
return DrawDibClose(HDRAWDIB_32(hdd));
}
/************************************************************************
* DrawDibBegin [MSVIDEO.104]
*/
BOOL16 VFWAPI DrawDibBegin16(HDRAWDIB16 hdd, HDC16 hdc, INT16 dxDst,
INT16 dyDst, LPBITMAPINFOHEADER lpbi, INT16 dxSrc,
INT16 dySrc, UINT16 wFlags)
{
return DrawDibBegin(HDRAWDIB_32(hdd), HDC_32(hdc), dxDst, dyDst, lpbi,
dxSrc, dySrc, wFlags);
}
/***********************************************************************
* DrawDibEnd [MSVIDEO.105]
*/
BOOL16 VFWAPI DrawDibEnd16(HDRAWDIB16 hdd)
{
return DrawDibEnd(HDRAWDIB_32(hdd));
}
/**********************************************************************
* DrawDibDraw [MSVIDEO.106]
*/
BOOL16 VFWAPI DrawDibDraw16(HDRAWDIB16 hdd, HDC16 hdc, INT16 xDst, INT16 yDst,
INT16 dxDst, INT16 dyDst, LPBITMAPINFOHEADER lpbi,
LPVOID lpBits, INT16 xSrc, INT16 ySrc, INT16 dxSrc,
INT16 dySrc, UINT16 wFlags)
{
return DrawDibDraw(HDRAWDIB_32(hdd), HDC_32(hdc), xDst, yDst, dxDst,
dyDst, lpbi, lpBits, xSrc, ySrc, dxSrc, dySrc, wFlags);
}
/***********************************************************************
* DrawDibGetPalette [MSVIDEO.108]
*/
HPALETTE16 VFWAPI DrawDibGetPalette16(HDRAWDIB16 hdd)
{
return HPALETTE_16(DrawDibGetPalette(HDRAWDIB_32(hdd)));
}
/***********************************************************************
* DrawDibSetPalette [MSVIDEO.110]
*/
BOOL16 VFWAPI DrawDibSetPalette16(HDRAWDIB16 hdd, HPALETTE16 hpal)
{
return DrawDibSetPalette(HDRAWDIB_32(hdd), HPALETTE_32(hpal));
}
/***********************************************************************
* DrawDibRealize [MSVIDEO.112]
*/
UINT16 VFWAPI DrawDibRealize16(HDRAWDIB16 hdd, HDC16 hdc,
BOOL16 fBackground)
{
return (UINT16)DrawDibRealize(HDRAWDIB_32(hdd), HDC_32(hdc), fBackground);
}
/*************************************************************************
* DrawDibStart [MSVIDEO.118]
*/
BOOL16 VFWAPI DrawDibStart16(HDRAWDIB16 hdd, DWORD rate)
{
return DrawDibStart(HDRAWDIB_32(hdd), rate);
}
/*************************************************************************
* DrawDibStop [MSVIDEO.119]
*/
BOOL16 VFWAPI DrawDibStop16(HDRAWDIB16 hdd)
{
return DrawDibStop(HDRAWDIB_32(hdd));
}
/***********************************************************************
* ICOpen [MSVIDEO.203]
*/
HIC16 VFWAPI ICOpen16(DWORD fccType, DWORD fccHandler, UINT16 wMode)
{
return HIC_16(ICOpen(fccType, fccHandler, wMode));
}
/***********************************************************************
* _ICMessage [MSVIDEO.207]
*/
LRESULT VFWAPIV ICMessage16( HIC16 hic, UINT16 msg, UINT16 cb, VA_LIST16 valist )
{
LPWORD lpData;
SEGPTR segData;
LRESULT ret;
UINT16 i;
lpData = HeapAlloc(GetProcessHeap(), 0, cb);
TRACE("0x%08x, %u, %u, ...)\n", (DWORD) hic, msg, cb);
for (i = 0; i < cb / sizeof(WORD); i++)
{
lpData[i] = VA_ARG16(valist, WORD);
}
segData = MapLS(lpData);
ret = ICSendMessage16(hic, msg, segData, (DWORD) cb);
UnMapLS(segData);
HeapFree(GetProcessHeap(), 0, lpData);
return ret;
}
/***********************************************************************
* ICGetInfo [MSVIDEO.212]
*/
LRESULT VFWAPI ICGetInfo16(HIC16 hic, ICINFO16 * picinfo, DWORD cb)
{
LRESULT ret;
TRACE("(0x%08x,%p,%d)\n", (DWORD) hic, picinfo, cb);
ret = ICSendMessage16(hic, ICM_GETINFO, (DWORD) picinfo, cb);
TRACE(" -> 0x%08lx\n", ret);
return ret;
}
/***********************************************************************
* ICLocate [MSVIDEO.213]
*/
HIC16 VFWAPI ICLocate16(DWORD fccType, DWORD fccHandler,
LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut,
WORD wFlags)
{
return HIC_16(ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags));
}
/***********************************************************************
* _ICCompress [MSVIDEO.224]
*/
DWORD VFWAPIV ICCompress16(HIC16 hic, DWORD dwFlags,
LPBITMAPINFOHEADER lpbiOutput, LPVOID lpData,
LPBITMAPINFOHEADER lpbiInput, LPVOID lpBits,
LPDWORD lpckid, LPDWORD lpdwFlags,
LONG lFrameNum, DWORD dwFrameSize,
DWORD dwQuality, LPBITMAPINFOHEADER lpbiPrev,
LPVOID lpPrev)
{
DWORD ret;
ICCOMPRESS iccmp;
SEGPTR seg_iccmp;
TRACE("(0x%08x,%d,%p,%p,%p,%p,...)\n", (DWORD) hic, dwFlags,
lpbiOutput, lpData, lpbiInput, lpBits);
iccmp.dwFlags = dwFlags;
iccmp.lpbiOutput = lpbiOutput;
iccmp.lpOutput = lpData;
iccmp.lpbiInput = lpbiInput;
iccmp.lpInput = lpBits;
iccmp.lpckid = lpckid;
iccmp.lpdwFlags = lpdwFlags;
iccmp.lFrameNum = lFrameNum;
iccmp.dwFrameSize = dwFrameSize;
iccmp.dwQuality = dwQuality;
iccmp.lpbiPrev = lpbiPrev;
iccmp.lpPrev = lpPrev;
seg_iccmp = MapLS(&iccmp);
ret = ICSendMessage16(hic, ICM_COMPRESS, seg_iccmp, sizeof(ICCOMPRESS));
UnMapLS(seg_iccmp);
return ret;
}
/***********************************************************************
* _ICDecompress [MSVIDEO.230]
*/
DWORD VFWAPIV ICDecompress16(HIC16 hic, DWORD dwFlags,
LPBITMAPINFOHEADER lpbiFormat, LPVOID lpData,
LPBITMAPINFOHEADER lpbi, LPVOID lpBits)
{
ICDECOMPRESS icd;
SEGPTR segptr;
DWORD ret;
TRACE("(0x%08x,%d,%p,%p,%p,%p)\n", (DWORD) hic, dwFlags, lpbiFormat,
lpData, lpbi, lpBits);
icd.dwFlags = dwFlags;
icd.lpbiInput = lpbiFormat;
icd.lpInput = lpData;
icd.lpbiOutput = lpbi;
icd.lpOutput = lpBits;
icd.ckid = 0;
segptr = MapLS(&icd);
ret = ICSendMessage16(hic, ICM_DECOMPRESS, segptr, sizeof(ICDECOMPRESS));
UnMapLS(segptr);
return ret;
}
/***********************************************************************
* _ICDrawBegin [MSVIDEO.232]
*/
DWORD VFWAPIV ICDrawBegin16(HIC16 hic, /* [in] */
DWORD dwFlags, /* [in] flags */
HPALETTE16 hpal, /* [in] palette to draw with */
HWND16 hwnd, /* [in] window to draw to */
HDC16 hdc, /* [in] HDC to draw to */
INT16 xDst, /* [in] destination rectangle */
INT16 yDst, /* [in] */
INT16 dxDst, /* [in] */
INT16 dyDst, /* [in] */
LPBITMAPINFOHEADER lpbi, /* [in] format of frame to draw NOTE: SEGPTR */
INT16 xSrc, /* [in] source rectangle */
INT16 ySrc, /* [in] */
INT16 dxSrc, /* [in] */
INT16 dySrc, /* [in] */
DWORD dwRate, /* [in] frames/second = (dwRate/dwScale) */
DWORD dwScale) /* [in] */
{
DWORD ret;
ICDRAWBEGIN16 icdb;
SEGPTR seg_icdb;
TRACE ("(0x%08x,%d,0x%08x,0x%08x,0x%08x,%u,%u,%u,%u,%p,%u,%u,%u,%u,%d,%d)\n",
(DWORD) hic, dwFlags, (DWORD) hpal, (DWORD) hwnd, (DWORD) hdc,
xDst, yDst, dxDst, dyDst, lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate,
dwScale);
icdb.dwFlags = dwFlags;
icdb.hpal = hpal;
icdb.hwnd = hwnd;
icdb.hdc = hdc;
icdb.xDst = xDst;
icdb.yDst = yDst;
icdb.dxDst = dxDst;
icdb.dyDst = dyDst;
icdb.lpbi = lpbi; /* Keep this as SEGPTR for the mapping code to deal with */
icdb.xSrc = xSrc;
icdb.ySrc = ySrc;
icdb.dxSrc = dxSrc;
icdb.dySrc = dySrc;
icdb.dwRate = dwRate;
icdb.dwScale = dwScale;
seg_icdb = MapLS(&icdb);
ret = (DWORD) ICSendMessage16(hic, ICM_DRAW_BEGIN, seg_icdb,
sizeof(ICDRAWBEGIN16));
UnMapLS(seg_icdb);
return ret;
}
/***********************************************************************
* _ICDraw [MSVIDEO.234]
*/
DWORD VFWAPIV ICDraw16(HIC16 hic, DWORD dwFlags,
LPVOID lpFormat, /* [???] NOTE: SEGPTR */
LPVOID lpData, /* [???] NOTE: SEGPTR */
DWORD cbData, LONG lTime)
{
DWORD ret;
ICDRAW icd;
SEGPTR seg_icd;
TRACE("(0x%08x,0x%08x,%p,%p,%d,%d)\n", (DWORD) hic, dwFlags,
lpFormat, lpData, cbData, lTime);
icd.dwFlags = dwFlags;
icd.lpFormat = lpFormat;
icd.lpData = lpData;
icd.cbData = cbData;
icd.lTime = lTime;
seg_icd = MapLS(&icd);
ret = ICSendMessage16(hic, ICM_DRAW, seg_icd, sizeof(ICDRAW));
UnMapLS(seg_icd);
return ret;
}
/***********************************************************************
* ICGetDisplayFormat [MSVIDEO.239]
*/
HIC16 VFWAPI ICGetDisplayFormat16(HIC16 hic, LPBITMAPINFOHEADER lpbiIn,
LPBITMAPINFOHEADER lpbiOut, INT16 depth,
INT16 dx, INT16 dy)
{
return HIC_16(ICGetDisplayFormat(HIC_32(hic), lpbiIn, lpbiOut, depth,
dx, dy));
}
#define COPY(x,y) (x->y = x##16->y);
#define COPYPTR(x,y) (x->y = MapSL((SEGPTR)x##16->y));
/******************************************************************
* MSVIDEO_MapICDEX16To32
*
*
*/
static LPVOID MSVIDEO_MapICDEX16To32(LPDWORD lParam)
{
LPVOID ret;
ICDECOMPRESSEX *icdx = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDECOMPRESSEX));
ICDECOMPRESSEX16 *icdx16 = MapSL(*lParam);
ret = icdx16;
COPY(icdx, dwFlags);
COPYPTR(icdx, lpbiSrc);
COPYPTR(icdx, lpSrc);
COPYPTR(icdx, lpbiDst);
COPYPTR(icdx, lpDst);
COPY(icdx, xDst);
COPY(icdx, yDst);
COPY(icdx, dxDst);
COPY(icdx, dyDst);
COPY(icdx, xSrc);
COPY(icdx, ySrc);
COPY(icdx, dxSrc);
COPY(icdx, dySrc);
*lParam = (DWORD)(icdx);
return ret;
}
/******************************************************************
* MSVIDEO_MapMsg16To32
*
*
*/
static LPVOID MSVIDEO_MapMsg16To32(UINT msg, LPDWORD lParam1, LPDWORD lParam2)
{
LPVOID ret = 0;
TRACE("Mapping %d\n", msg);
switch (msg)
{
case DRV_LOAD:
case DRV_ENABLE:
case DRV_CLOSE:
case DRV_DISABLE:
case DRV_FREE:
case ICM_ABOUT:
case ICM_CONFIGURE:
case ICM_COMPRESS_END:
case ICM_DECOMPRESS_END:
case ICM_DECOMPRESSEX_END:
case ICM_SETQUALITY:
case ICM_DRAW_START_PLAY:
case ICM_DRAW_STOP_PLAY:
case ICM_DRAW_REALIZE:
case ICM_DRAW_RENDERBUFFER:
case ICM_DRAW_END:
break;
case DRV_OPEN:
case ICM_GETDEFAULTQUALITY:
case ICM_GETQUALITY:
case ICM_SETSTATE:
case ICM_DRAW_WINDOW:
case ICM_GETBUFFERSWANTED:
*lParam1 = (DWORD)MapSL(*lParam1);
break;
case ICM_GETINFO:
{
ICINFO *ici = HeapAlloc(GetProcessHeap(), 0, sizeof(ICINFO));
ICINFO16 *ici16;
ici16 = MapSL(*lParam1);
ret = ici16;
ici->dwSize = sizeof(ICINFO);
COPY(ici, fccType);
COPY(ici, fccHandler);
COPY(ici, dwFlags);
COPY(ici, dwVersion);
COPY(ici, dwVersionICM);
MultiByteToWideChar( CP_ACP, 0, ici16->szName, -1, ici->szName, 16 );
MultiByteToWideChar( CP_ACP, 0, ici16->szDescription, -1, ici->szDescription, 128 );
MultiByteToWideChar( CP_ACP, 0, ici16->szDriver, -1, ici->szDriver, 128 );
*lParam1 = (DWORD)(ici);
*lParam2 = sizeof(ICINFO);
}
break;
case ICM_COMPRESS:
{
ICCOMPRESS *icc = HeapAlloc(GetProcessHeap(), 0, sizeof(ICCOMPRESS));
ICCOMPRESS *icc16;
icc16 = MapSL(*lParam1);
ret = icc16;
COPY(icc, dwFlags);
COPYPTR(icc, lpbiOutput);
COPYPTR(icc, lpOutput);
COPYPTR(icc, lpbiInput);
COPYPTR(icc, lpInput);
COPYPTR(icc, lpckid);
COPYPTR(icc, lpdwFlags);
COPY(icc, lFrameNum);
COPY(icc, dwFrameSize);
COPY(icc, dwQuality);
COPYPTR(icc, lpbiPrev);
COPYPTR(icc, lpPrev);
*lParam1 = (DWORD)(icc);
*lParam2 = sizeof(ICCOMPRESS);
}
break;
case ICM_DECOMPRESS:
{
ICDECOMPRESS *icd = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDECOMPRESS));
ICDECOMPRESS *icd16; /* Same structure except for the pointers */
icd16 = MapSL(*lParam1);
ret = icd16;
COPY(icd, dwFlags);
COPYPTR(icd, lpbiInput);
COPYPTR(icd, lpInput);
COPYPTR(icd, lpbiOutput);
COPYPTR(icd, lpOutput);
COPY(icd, ckid);
*lParam1 = (DWORD)(icd);
*lParam2 = sizeof(ICDECOMPRESS);
}
break;
case ICM_COMPRESS_BEGIN:
case ICM_COMPRESS_GET_FORMAT:
case ICM_COMPRESS_GET_SIZE:
case ICM_COMPRESS_QUERY:
case ICM_DECOMPRESS_GET_FORMAT:
case ICM_DECOMPRESS_QUERY:
case ICM_DECOMPRESS_BEGIN:
case ICM_DECOMPRESS_SET_PALETTE:
case ICM_DECOMPRESS_GET_PALETTE:
*lParam1 = (DWORD)MapSL(*lParam1);
*lParam2 = (DWORD)MapSL(*lParam2);
break;
case ICM_DECOMPRESSEX_QUERY:
if ((*lParam2 != sizeof(ICDECOMPRESSEX16)) && (*lParam2 != 0))
WARN("*lParam2 has unknown value %p\n", (ICDECOMPRESSEX16*)*lParam2);
/* FIXME: *lParm2 is meant to be 0 or an ICDECOMPRESSEX16*, but is sizeof(ICDECOMRPESSEX16)
* This is because of ICMessage(). Special case it?
{
LPVOID* addr = HeapAlloc(GetProcessHeap(), 0, 2*sizeof(LPVOID));
addr[0] = MSVIDEO_MapICDEX16To32(lParam1);
if (*lParam2)
addr[1] = MSVIDEO_MapICDEX16To32(lParam2);
else
addr[1] = 0;
ret = addr;
}
break;*/
case ICM_DECOMPRESSEX_BEGIN:
case ICM_DECOMPRESSEX:
ret = MSVIDEO_MapICDEX16To32(lParam1);
*lParam2 = sizeof(ICDECOMPRESSEX);
break;
case ICM_DRAW_BEGIN:
{
ICDRAWBEGIN *icdb = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAWBEGIN));
ICDRAWBEGIN16 *icdb16 = MapSL(*lParam1);
ret = icdb16;
COPY(icdb, dwFlags);
icdb->hpal = HPALETTE_32(icdb16->hpal);
icdb->hwnd = HWND_32(icdb16->hwnd);
icdb->hdc = HDC_32(icdb16->hdc);
COPY(icdb, xDst);
COPY(icdb, yDst);
COPY(icdb, dxDst);
COPY(icdb, dyDst);
COPYPTR(icdb, lpbi);
COPY(icdb, xSrc);
COPY(icdb, ySrc);
COPY(icdb, dxSrc);
COPY(icdb, dySrc);
COPY(icdb, dwRate);
COPY(icdb, dwScale);
*lParam1 = (DWORD)(icdb);
*lParam2 = sizeof(ICDRAWBEGIN);
}
break;
case ICM_DRAW_SUGGESTFORMAT:
{
ICDRAWSUGGEST *icds = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAWSUGGEST));
ICDRAWSUGGEST16 *icds16 = MapSL(*lParam1);
ret = icds16;
COPY(icds, dwFlags);
COPYPTR(icds, lpbiIn);
COPYPTR(icds, lpbiSuggest);
COPY(icds, dxSrc);
COPY(icds, dySrc);
COPY(icds, dxDst);
COPY(icds, dyDst);
icds->hicDecompressor = HIC_32(icds16->hicDecompressor);
*lParam1 = (DWORD)(icds);
*lParam2 = sizeof(ICDRAWSUGGEST);
}
break;
case ICM_DRAW:
{
ICDRAW *icd = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAW));
ICDRAW *icd16 = MapSL(*lParam1);
ret = icd16;
COPY(icd, dwFlags);
COPYPTR(icd, lpFormat);
COPYPTR(icd, lpData);
COPY(icd, cbData);
COPY(icd, lTime);
*lParam1 = (DWORD)(icd);
*lParam2 = sizeof(ICDRAW);
}
break;
case ICM_DRAW_START:
case ICM_DRAW_STOP:
break;
default:
FIXME("%d is not yet handled. Expect a crash.\n", msg);
}
return ret;
}
#undef COPY
#undef COPYPTR
/******************************************************************
* MSVIDEO_UnmapMsg16To32
*
*
*/
static void MSVIDEO_UnmapMsg16To32(UINT msg, LPVOID data16, LPDWORD lParam1, LPDWORD lParam2)
{
TRACE("Unmapping %d\n", msg);
#define UNCOPY(x, y) (x##16->y = x->y);
switch (msg)
{
case ICM_GETINFO:
{
ICINFO *ici = (ICINFO*)(*lParam1);
ICINFO16 *ici16 = data16;
UNCOPY(ici, fccType);
UNCOPY(ici, fccHandler);
UNCOPY(ici, dwFlags);
UNCOPY(ici, dwVersion);
UNCOPY(ici, dwVersionICM);
WideCharToMultiByte( CP_ACP, 0, ici->szName, -1, ici16->szName,
sizeof(ici16->szName), NULL, NULL );
ici16->szName[sizeof(ici16->szName)-1] = 0;
WideCharToMultiByte( CP_ACP, 0, ici->szDescription, -1, ici16->szDescription,
sizeof(ici16->szDescription), NULL, NULL );
ici16->szDescription[sizeof(ici16->szDescription)-1] = 0;
/* This just gives garbage for some reason - BB
lstrcpynWtoA(ici16->szDriver, ici->szDriver, 128);*/
HeapFree(GetProcessHeap(), 0, ici);
}
break;
case ICM_DECOMPRESS_QUERY:
/*{
LPVOID* x = data16;
HeapFree(GetProcessHeap(), 0, x[0]);
if (x[1])
HeapFree(GetProcessHeap(), 0, x[1]);
}
break;*/
case ICM_COMPRESS:
case ICM_DECOMPRESS:
case ICM_DECOMPRESSEX_QUERY:
case ICM_DECOMPRESSEX_BEGIN:
case ICM_DECOMPRESSEX:
case ICM_DRAW_BEGIN:
case ICM_DRAW_SUGGESTFORMAT:
case ICM_DRAW:
HeapFree(GetProcessHeap(), 0, data16);
break;
default:
ERR("Unmapping unmapped msg %d\n", msg);
}
#undef UNCOPY
}
/***********************************************************************
* ICInfo [MSVIDEO.200]
*/
BOOL16 VFWAPI ICInfo16(DWORD fccType, DWORD fccHandler, ICINFO16 *lpicinfo)
{
BOOL16 ret;
LPVOID lpv;
DWORD lParam = (DWORD)lpicinfo;
DWORD size = ((ICINFO*)(MapSL((SEGPTR)lpicinfo)))->dwSize;
/* Use the mapping functions to map the ICINFO structure */
lpv = MSVIDEO_MapMsg16To32(ICM_GETINFO, &lParam, &size);
ret = ICInfo(fccType, fccHandler, (ICINFO*)lParam);
MSVIDEO_UnmapMsg16To32(ICM_GETINFO, lpv, &lParam, &size);
return ret;
}
/******************************************************************
* IC_Callback3216
*
*
*/
static LRESULT CALLBACK IC_Callback3216(DWORD pfn16, HIC hic, HDRVR hdrv, UINT msg, LPARAM lp1, LPARAM lp2)
{
WORD args[8];
DWORD ret = 0;
switch (msg)
{
case DRV_OPEN:
lp2 = (DWORD)MapLS((void*)lp2);
break;
}
args[7] = HIWORD(hic);
args[6] = LOWORD(hic);
args[5] = HDRVR_16(hdrv);
args[4] = msg;
args[3] = HIWORD(lp1);
args[2] = LOWORD(lp1);
args[1] = HIWORD(lp2);
args[0] = LOWORD(lp2);
WOWCallback16Ex( pfn16, WCB16_PASCAL, sizeof(args), args, &ret );
switch (msg)
{
case DRV_OPEN:
UnMapLS(lp2);
break;
}
return ret;
}
#define MAX_THUNKS 32
#include "pshpack1.h"
static struct msvideo_thunk
{
BYTE popl_eax; /* popl %eax (return address) */
BYTE pushl_func; /* pushl $pfn16 (16bit callback function) */
DWORD pfn16;
BYTE pushl_eax; /* pushl %eax */
BYTE jmp; /* ljmp WDML_InvokeCallback16 */
DWORD callback;
HIC16 hIC16; /* driver's handle */
} *MSVIDEO_Thunks;
#include "poppack.h"
static CRITICAL_SECTION msvideo_cs;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &msvideo_cs,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": msvideo_cs") }
};
static CRITICAL_SECTION msvideo_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
static struct msvideo_thunk* MSVIDEO_AddThunk(DWORD pfn16)
{
struct msvideo_thunk* thunk;
if (!MSVIDEO_Thunks)
{
MSVIDEO_Thunks = VirtualAlloc(NULL, MAX_THUNKS * sizeof(*MSVIDEO_Thunks), MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
if (!MSVIDEO_Thunks) return NULL;
for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
{
thunk->popl_eax = 0x58; /* popl %eax */
thunk->pushl_func = 0x68; /* pushl $pfn16 */
thunk->pfn16 = 0;
thunk->pushl_eax = 0x50; /* pushl %eax */
thunk->jmp = 0xe9; /* jmp IC_Callback3216 */
thunk->callback = (char *)IC_Callback3216 - (char *)(&thunk->callback + 1);
thunk->hIC16 = 0;
}
}
for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
{
if (thunk->pfn16 == 0)
{
thunk->pfn16 = pfn16;
return thunk;
}
}
FIXME("Out of msvideo-thunks. Bump MAX_THUNKS\n");
return NULL;
}
static struct msvideo_thunk* MSVIDEO_HasThunk(HIC16 hic)
{
struct msvideo_thunk* thunk;
for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
{
if (thunk->hIC16 == hic) return thunk;
}
return NULL;
}
/***********************************************************************
* ICOpenFunction [MSVIDEO.206]
*/
HIC16 VFWAPI ICOpenFunction16(DWORD fccType, DWORD fccHandler, UINT16 wMode, FARPROC16 lpfnHandler)
{
HIC hic32;
struct msvideo_thunk* thunk;
EnterCriticalSection(&msvideo_cs);
if (!(thunk = MSVIDEO_AddThunk((DWORD)lpfnHandler)))
{
LeaveCriticalSection(&msvideo_cs);
return 0;
}
if ((hic32 = ICOpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)thunk)))
thunk->hIC16 = HIC_16(hic32);
else
thunk->pfn16 = 0;
LeaveCriticalSection(&msvideo_cs);
return HIC_16(hic32);
}
/***********************************************************************
* ICSendMessage [MSVIDEO.205]
*/
LRESULT VFWAPI ICSendMessage16(HIC16 hic, UINT16 msg, DWORD lParam1, DWORD lParam2)
{
LRESULT ret = ICERR_BADHANDLE;
struct msvideo_thunk* thunk;
if ((thunk = MSVIDEO_HasThunk(hic)))
{
WORD args[8];
DWORD result;
/* FIXME: original code was passing hdrv first and hic second */
/* but this doesn't match what IC_Callback3216 does */
args[7] = HIWORD(hic);
args[6] = LOWORD(hic);
args[5] = 0; /* the 32bit also sets it to NULL */
args[4] = msg;
args[3] = HIWORD(lParam1);
args[2] = LOWORD(lParam1);
args[1] = HIWORD(lParam2);
args[0] = LOWORD(lParam2);
WOWCallback16Ex( thunk->pfn16, WCB16_PASCAL, sizeof(args), args, &result );
ret = result;
}
else
{
/* map the message for a 32 bit infrastructure, and pass it along */
void* data16 = MSVIDEO_MapMsg16To32(msg, &lParam1, &lParam2);
ret = ICSendMessage(HIC_32(hic), msg, lParam1, lParam2);
if (data16)
MSVIDEO_UnmapMsg16To32(msg, data16, &lParam1, &lParam2);
}
return ret;
}
/***********************************************************************
* ICClose [MSVIDEO.204]
*/
LRESULT WINAPI ICClose16(HIC16 hic)
{
BOOL ret = ICClose(HIC_32(hic));
EnterCriticalSection(&msvideo_cs);
if (ret)
{
struct msvideo_thunk* thunk;
if ((thunk = MSVIDEO_HasThunk(hic)))
{
thunk->pfn16 = 0;
thunk->hIC16 = 0;
}
else ret = FALSE;
}
LeaveCriticalSection(&msvideo_cs);
return ret;
}
/***********************************************************************
* VideoCapDriverDescAndVer [MSVIDEO.22]
*/
DWORD WINAPI VideoCapDriverDescAndVer16(WORD nr, LPSTR buf1, WORD buf1len,
LPSTR buf2, WORD buf2len)
{
static const char version_info_spec[] = "\\StringFileInfo\\040904E4\\FileDescription";
DWORD verhandle;
DWORD infosize;
UINT subblocklen;
char *s, buf[2048], fn[260];
LPBYTE infobuf;
LPVOID subblock;
DWORD i, cnt = 0, lRet;
DWORD bufLen, fnLen;
FILETIME lastWrite;
HKEY hKey;
BOOL found = FALSE;
TRACE("(%d,%p,%d,%p,%d)\n", nr, buf1, buf1len, buf2, buf2len);
lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
if (lRet == ERROR_SUCCESS)
{
RegQueryInfoKeyA( hKey, 0, 0, 0, &cnt, 0, 0, 0, 0, 0, 0, 0);
for (i = 0; i < cnt; i++)
{
bufLen = sizeof(buf) / sizeof(buf[0]);
lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
if (lRet != ERROR_SUCCESS) continue;
if (strncasecmp(buf, "vid", 3)) continue;
if (nr--) continue;
fnLen = sizeof(fn);
lRet = RegQueryValueExA(hKey, buf, 0, 0, (LPBYTE)fn, &fnLen);
if (lRet == ERROR_SUCCESS) found = TRUE;
break;
}
RegCloseKey( hKey );
}
/* search system.ini if not found in the registry */
if (!found && GetPrivateProfileStringA("drivers32", NULL, NULL, buf, sizeof(buf), "system.ini"))
{
for (s = buf; *s; s += strlen(s) + 1)
{
if (strncasecmp(s, "vid", 3)) continue;
if (nr--) continue;
if (GetPrivateProfileStringA("drivers32", s, NULL, fn, sizeof(fn), "system.ini"))
found = TRUE;
break;
}
}
if (!found)
{
TRACE("No more VID* entries found nr=%d\n", nr);
return 20;
}
infosize = GetFileVersionInfoSizeA(fn, &verhandle);
if (!infosize)
{
TRACE("%s has no fileversioninfo.\n", fn);
return 18;
}
infobuf = HeapAlloc(GetProcessHeap(), 0, infosize);
if (GetFileVersionInfoA(fn, verhandle, infosize, infobuf))
{
/* Yes, two space behind : */
/* FIXME: test for buflen */
snprintf(buf2, buf2len, "Version: %d.%d.%d.%d\n",
((WORD*)infobuf)[0x0f],
((WORD*)infobuf)[0x0e],
((WORD*)infobuf)[0x11],
((WORD*)infobuf)[0x10]
);
TRACE("version of %s is %s\n", fn, buf2);
}
else
{
TRACE("GetFileVersionInfoA failed for %s.\n", fn);
lstrcpynA(buf2, fn, buf2len); /* msvideo.dll appears to copy fn*/
}
/* FIXME: language problem? */
if (VerQueryValueA( infobuf,
version_info_spec,
&subblock,
&subblocklen
))
{
UINT copylen = min(subblocklen,buf1len-1);
memcpy(buf1, subblock, copylen);
buf1[copylen] = '\0';
TRACE("VQA returned %s\n", (LPCSTR)subblock);
}
else
{
TRACE("VQA did not return on query \\StringFileInfo\\040904E4\\FileDescription?\n");
lstrcpynA(buf1, fn, buf1len); /* msvideo.dll appears to copy fn*/
}
HeapFree(GetProcessHeap(), 0, infobuf);
return 0;
}
/**************************************************************************
* DllEntryPoint (MSVIDEO.3)
*
* MSVIDEO DLL entry point
*
*/
BOOL WINAPI VIDEO_LibMain(DWORD fdwReason, HINSTANCE hinstDLL, WORD ds,
WORD wHeapSize, DWORD dwReserved1, WORD wReserved2)
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_PROCESS_DETACH:
DeleteCriticalSection(&msvideo_cs);
break;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
break;
}
return TRUE;
}
/***********************************************************************
* MCIWndCreate(MSVIDEO.250)
*/
HWND16 CDECL MCIWndCreate16(HWND16 hwnd, HINSTANCE16 hinst16,
DWORD style, LPSTR file)
{
return HWND_16(MCIWndCreateA(HWND_32(hwnd), 0, style, file));
}
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