push e9c4c6cdd0babd7b2cb4288f191bb331b756eaf2
[wine/hacks.git] / dlls / msvideo.dll16 / msvideo16.c
bloba48a613c2540c811270e9c09ecabeab0105bca81
1 /*
2 * msvideo 16-bit functions
4 * Copyright 1998 Marcus Meissner
5 * Copyright 2000 Bradley Baetz
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include <stdarg.h>
23 #include <stdio.h>
24 #include <string.h>
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winver.h"
29 #include "winnls.h"
30 #include "winreg.h"
31 #include "winuser.h"
32 #include "vfw16.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
37 /* Drivers32 settings */
38 #define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
40 /* handle16 --> handle conversions */
41 #define HDRAWDIB_32(h16) ((HDRAWDIB)(ULONG_PTR)(h16))
42 #define HIC_32(h16) ((HIC)(ULONG_PTR)(h16))
44 /* handle --> handle16 conversions */
45 #define HDRVR_16(h32) (LOWORD(h32))
46 #define HDRAWDIB_16(h32) (LOWORD(h32))
47 #define HIC_16(h32) (LOWORD(h32))
49 /***********************************************************************
50 * DrawDibOpen [MSVIDEO.102]
52 HDRAWDIB16 VFWAPI DrawDibOpen16(void)
54 return HDRAWDIB_16(DrawDibOpen());
57 /***********************************************************************
58 * DrawDibClose [MSVIDEO.103]
60 BOOL16 VFWAPI DrawDibClose16(HDRAWDIB16 hdd)
62 return DrawDibClose(HDRAWDIB_32(hdd));
65 /************************************************************************
66 * DrawDibBegin [MSVIDEO.104]
68 BOOL16 VFWAPI DrawDibBegin16(HDRAWDIB16 hdd, HDC16 hdc, INT16 dxDst,
69 INT16 dyDst, LPBITMAPINFOHEADER lpbi, INT16 dxSrc,
70 INT16 dySrc, UINT16 wFlags)
72 return DrawDibBegin(HDRAWDIB_32(hdd), HDC_32(hdc), dxDst, dyDst, lpbi,
73 dxSrc, dySrc, wFlags);
76 /***********************************************************************
77 * DrawDibEnd [MSVIDEO.105]
79 BOOL16 VFWAPI DrawDibEnd16(HDRAWDIB16 hdd)
81 return DrawDibEnd(HDRAWDIB_32(hdd));
84 /**********************************************************************
85 * DrawDibDraw [MSVIDEO.106]
87 BOOL16 VFWAPI DrawDibDraw16(HDRAWDIB16 hdd, HDC16 hdc, INT16 xDst, INT16 yDst,
88 INT16 dxDst, INT16 dyDst, LPBITMAPINFOHEADER lpbi,
89 LPVOID lpBits, INT16 xSrc, INT16 ySrc, INT16 dxSrc,
90 INT16 dySrc, UINT16 wFlags)
92 return DrawDibDraw(HDRAWDIB_32(hdd), HDC_32(hdc), xDst, yDst, dxDst,
93 dyDst, lpbi, lpBits, xSrc, ySrc, dxSrc, dySrc, wFlags);
96 /***********************************************************************
97 * DrawDibGetPalette [MSVIDEO.108]
99 HPALETTE16 VFWAPI DrawDibGetPalette16(HDRAWDIB16 hdd)
101 return HPALETTE_16(DrawDibGetPalette(HDRAWDIB_32(hdd)));
104 /***********************************************************************
105 * DrawDibSetPalette [MSVIDEO.110]
107 BOOL16 VFWAPI DrawDibSetPalette16(HDRAWDIB16 hdd, HPALETTE16 hpal)
109 return DrawDibSetPalette(HDRAWDIB_32(hdd), HPALETTE_32(hpal));
112 /***********************************************************************
113 * DrawDibRealize [MSVIDEO.112]
115 UINT16 VFWAPI DrawDibRealize16(HDRAWDIB16 hdd, HDC16 hdc,
116 BOOL16 fBackground)
118 return (UINT16)DrawDibRealize(HDRAWDIB_32(hdd), HDC_32(hdc), fBackground);
121 /*************************************************************************
122 * DrawDibStart [MSVIDEO.118]
124 BOOL16 VFWAPI DrawDibStart16(HDRAWDIB16 hdd, DWORD rate)
126 return DrawDibStart(HDRAWDIB_32(hdd), rate);
129 /*************************************************************************
130 * DrawDibStop [MSVIDEO.119]
132 BOOL16 VFWAPI DrawDibStop16(HDRAWDIB16 hdd)
134 return DrawDibStop(HDRAWDIB_32(hdd));
137 /***********************************************************************
138 * ICOpen [MSVIDEO.203]
140 HIC16 VFWAPI ICOpen16(DWORD fccType, DWORD fccHandler, UINT16 wMode)
142 return HIC_16(ICOpen(fccType, fccHandler, wMode));
145 /***********************************************************************
146 * _ICMessage [MSVIDEO.207]
148 LRESULT VFWAPIV ICMessage16( HIC16 hic, UINT16 msg, UINT16 cb, VA_LIST16 valist )
150 LPWORD lpData;
151 SEGPTR segData;
152 LRESULT ret;
153 UINT16 i;
155 lpData = HeapAlloc(GetProcessHeap(), 0, cb);
157 TRACE("0x%08x, %u, %u, ...)\n", (DWORD) hic, msg, cb);
159 for (i = 0; i < cb / sizeof(WORD); i++)
161 lpData[i] = VA_ARG16(valist, WORD);
164 segData = MapLS(lpData);
165 ret = ICSendMessage16(hic, msg, segData, (DWORD) cb);
166 UnMapLS(segData);
167 HeapFree(GetProcessHeap(), 0, lpData);
168 return ret;
171 /***********************************************************************
172 * ICGetInfo [MSVIDEO.212]
174 LRESULT VFWAPI ICGetInfo16(HIC16 hic, ICINFO16 * picinfo, DWORD cb)
176 LRESULT ret;
178 TRACE("(0x%08x,%p,%d)\n", (DWORD) hic, picinfo, cb);
179 ret = ICSendMessage16(hic, ICM_GETINFO, (DWORD) picinfo, cb);
180 TRACE(" -> 0x%08lx\n", ret);
181 return ret;
184 /***********************************************************************
185 * ICLocate [MSVIDEO.213]
187 HIC16 VFWAPI ICLocate16(DWORD fccType, DWORD fccHandler,
188 LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut,
189 WORD wFlags)
191 return HIC_16(ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags));
194 /***********************************************************************
195 * _ICCompress [MSVIDEO.224]
197 DWORD VFWAPIV ICCompress16(HIC16 hic, DWORD dwFlags,
198 LPBITMAPINFOHEADER lpbiOutput, LPVOID lpData,
199 LPBITMAPINFOHEADER lpbiInput, LPVOID lpBits,
200 LPDWORD lpckid, LPDWORD lpdwFlags,
201 LONG lFrameNum, DWORD dwFrameSize,
202 DWORD dwQuality, LPBITMAPINFOHEADER lpbiPrev,
203 LPVOID lpPrev)
205 DWORD ret;
206 ICCOMPRESS iccmp;
207 SEGPTR seg_iccmp;
209 TRACE("(0x%08x,%d,%p,%p,%p,%p,...)\n", (DWORD) hic, dwFlags,
210 lpbiOutput, lpData, lpbiInput, lpBits);
212 iccmp.dwFlags = dwFlags;
214 iccmp.lpbiOutput = lpbiOutput;
215 iccmp.lpOutput = lpData;
216 iccmp.lpbiInput = lpbiInput;
217 iccmp.lpInput = lpBits;
219 iccmp.lpckid = lpckid;
220 iccmp.lpdwFlags = lpdwFlags;
221 iccmp.lFrameNum = lFrameNum;
222 iccmp.dwFrameSize = dwFrameSize;
223 iccmp.dwQuality = dwQuality;
224 iccmp.lpbiPrev = lpbiPrev;
225 iccmp.lpPrev = lpPrev;
226 seg_iccmp = MapLS(&iccmp);
227 ret = ICSendMessage16(hic, ICM_COMPRESS, seg_iccmp, sizeof(ICCOMPRESS));
228 UnMapLS(seg_iccmp);
229 return ret;
232 /***********************************************************************
233 * _ICDecompress [MSVIDEO.230]
235 DWORD VFWAPIV ICDecompress16(HIC16 hic, DWORD dwFlags,
236 LPBITMAPINFOHEADER lpbiFormat, LPVOID lpData,
237 LPBITMAPINFOHEADER lpbi, LPVOID lpBits)
239 ICDECOMPRESS icd;
240 SEGPTR segptr;
241 DWORD ret;
243 TRACE("(0x%08x,%d,%p,%p,%p,%p)\n", (DWORD) hic, dwFlags, lpbiFormat,
244 lpData, lpbi, lpBits);
246 icd.dwFlags = dwFlags;
247 icd.lpbiInput = lpbiFormat;
248 icd.lpInput = lpData;
249 icd.lpbiOutput = lpbi;
250 icd.lpOutput = lpBits;
251 icd.ckid = 0;
252 segptr = MapLS(&icd);
253 ret = ICSendMessage16(hic, ICM_DECOMPRESS, segptr, sizeof(ICDECOMPRESS));
254 UnMapLS(segptr);
255 return ret;
258 /***********************************************************************
259 * _ICDrawBegin [MSVIDEO.232]
261 DWORD VFWAPIV ICDrawBegin16(HIC16 hic, /* [in] */
262 DWORD dwFlags, /* [in] flags */
263 HPALETTE16 hpal, /* [in] palette to draw with */
264 HWND16 hwnd, /* [in] window to draw to */
265 HDC16 hdc, /* [in] HDC to draw to */
266 INT16 xDst, /* [in] destination rectangle */
267 INT16 yDst, /* [in] */
268 INT16 dxDst, /* [in] */
269 INT16 dyDst, /* [in] */
270 LPBITMAPINFOHEADER lpbi, /* [in] format of frame to draw NOTE: SEGPTR */
271 INT16 xSrc, /* [in] source rectangle */
272 INT16 ySrc, /* [in] */
273 INT16 dxSrc, /* [in] */
274 INT16 dySrc, /* [in] */
275 DWORD dwRate, /* [in] frames/second = (dwRate/dwScale) */
276 DWORD dwScale) /* [in] */
278 DWORD ret;
279 ICDRAWBEGIN16 icdb;
280 SEGPTR seg_icdb;
282 TRACE ("(0x%08x,%d,0x%08x,0x%08x,0x%08x,%u,%u,%u,%u,%p,%u,%u,%u,%u,%d,%d)\n",
283 (DWORD) hic, dwFlags, (DWORD) hpal, (DWORD) hwnd, (DWORD) hdc,
284 xDst, yDst, dxDst, dyDst, lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate,
285 dwScale);
287 icdb.dwFlags = dwFlags;
288 icdb.hpal = hpal;
289 icdb.hwnd = hwnd;
290 icdb.hdc = hdc;
291 icdb.xDst = xDst;
292 icdb.yDst = yDst;
293 icdb.dxDst = dxDst;
294 icdb.dyDst = dyDst;
295 icdb.lpbi = lpbi; /* Keep this as SEGPTR for the mapping code to deal with */
296 icdb.xSrc = xSrc;
297 icdb.ySrc = ySrc;
298 icdb.dxSrc = dxSrc;
299 icdb.dySrc = dySrc;
300 icdb.dwRate = dwRate;
301 icdb.dwScale = dwScale;
302 seg_icdb = MapLS(&icdb);
303 ret = (DWORD) ICSendMessage16(hic, ICM_DRAW_BEGIN, seg_icdb,
304 sizeof(ICDRAWBEGIN16));
305 UnMapLS(seg_icdb);
306 return ret;
309 /***********************************************************************
310 * _ICDraw [MSVIDEO.234]
312 DWORD VFWAPIV ICDraw16(HIC16 hic, DWORD dwFlags,
313 LPVOID lpFormat, /* [???] NOTE: SEGPTR */
314 LPVOID lpData, /* [???] NOTE: SEGPTR */
315 DWORD cbData, LONG lTime)
317 DWORD ret;
318 ICDRAW icd;
319 SEGPTR seg_icd;
321 TRACE("(0x%08x,0x%08x,%p,%p,%d,%d)\n", (DWORD) hic, dwFlags,
322 lpFormat, lpData, cbData, lTime);
323 icd.dwFlags = dwFlags;
324 icd.lpFormat = lpFormat;
325 icd.lpData = lpData;
326 icd.cbData = cbData;
327 icd.lTime = lTime;
328 seg_icd = MapLS(&icd);
329 ret = ICSendMessage16(hic, ICM_DRAW, seg_icd, sizeof(ICDRAW));
330 UnMapLS(seg_icd);
331 return ret;
334 /***********************************************************************
335 * ICGetDisplayFormat [MSVIDEO.239]
337 HIC16 VFWAPI ICGetDisplayFormat16(HIC16 hic, LPBITMAPINFOHEADER lpbiIn,
338 LPBITMAPINFOHEADER lpbiOut, INT16 depth,
339 INT16 dx, INT16 dy)
341 return HIC_16(ICGetDisplayFormat(HIC_32(hic), lpbiIn, lpbiOut, depth,
342 dx, dy));
345 #define COPY(x,y) (x->y = x##16->y);
346 #define COPYPTR(x,y) (x->y = MapSL((SEGPTR)x##16->y));
348 /******************************************************************
349 * MSVIDEO_MapICDEX16To32
353 static LPVOID MSVIDEO_MapICDEX16To32(LPDWORD lParam)
355 LPVOID ret;
357 ICDECOMPRESSEX *icdx = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDECOMPRESSEX));
358 ICDECOMPRESSEX16 *icdx16 = MapSL(*lParam);
359 ret = icdx16;
361 COPY(icdx, dwFlags);
362 COPYPTR(icdx, lpbiSrc);
363 COPYPTR(icdx, lpSrc);
364 COPYPTR(icdx, lpbiDst);
365 COPYPTR(icdx, lpDst);
366 COPY(icdx, xDst);
367 COPY(icdx, yDst);
368 COPY(icdx, dxDst);
369 COPY(icdx, dyDst);
370 COPY(icdx, xSrc);
371 COPY(icdx, ySrc);
372 COPY(icdx, dxSrc);
373 COPY(icdx, dySrc);
375 *lParam = (DWORD)(icdx);
376 return ret;
379 /******************************************************************
380 * MSVIDEO_MapMsg16To32
384 static LPVOID MSVIDEO_MapMsg16To32(UINT msg, LPDWORD lParam1, LPDWORD lParam2)
386 LPVOID ret = 0;
388 TRACE("Mapping %d\n", msg);
390 switch (msg)
392 case DRV_LOAD:
393 case DRV_ENABLE:
394 case DRV_CLOSE:
395 case DRV_DISABLE:
396 case DRV_FREE:
397 case ICM_ABOUT:
398 case ICM_CONFIGURE:
399 case ICM_COMPRESS_END:
400 case ICM_DECOMPRESS_END:
401 case ICM_DECOMPRESSEX_END:
402 case ICM_SETQUALITY:
403 case ICM_DRAW_START_PLAY:
404 case ICM_DRAW_STOP_PLAY:
405 case ICM_DRAW_REALIZE:
406 case ICM_DRAW_RENDERBUFFER:
407 case ICM_DRAW_END:
408 break;
409 case DRV_OPEN:
410 case ICM_GETDEFAULTQUALITY:
411 case ICM_GETQUALITY:
412 case ICM_SETSTATE:
413 case ICM_DRAW_WINDOW:
414 case ICM_GETBUFFERSWANTED:
415 *lParam1 = (DWORD)MapSL(*lParam1);
416 break;
417 case ICM_GETINFO:
419 ICINFO *ici = HeapAlloc(GetProcessHeap(), 0, sizeof(ICINFO));
420 ICINFO16 *ici16;
422 ici16 = MapSL(*lParam1);
423 ret = ici16;
425 ici->dwSize = sizeof(ICINFO);
426 COPY(ici, fccType);
427 COPY(ici, fccHandler);
428 COPY(ici, dwFlags);
429 COPY(ici, dwVersion);
430 COPY(ici, dwVersionICM);
431 MultiByteToWideChar( CP_ACP, 0, ici16->szName, -1, ici->szName, 16 );
432 MultiByteToWideChar( CP_ACP, 0, ici16->szDescription, -1, ici->szDescription, 128 );
433 MultiByteToWideChar( CP_ACP, 0, ici16->szDriver, -1, ici->szDriver, 128 );
434 *lParam1 = (DWORD)(ici);
435 *lParam2 = sizeof(ICINFO);
437 break;
438 case ICM_COMPRESS:
440 ICCOMPRESS *icc = HeapAlloc(GetProcessHeap(), 0, sizeof(ICCOMPRESS));
441 ICCOMPRESS *icc16;
443 icc16 = MapSL(*lParam1);
444 ret = icc16;
446 COPY(icc, dwFlags);
447 COPYPTR(icc, lpbiOutput);
448 COPYPTR(icc, lpOutput);
449 COPYPTR(icc, lpbiInput);
450 COPYPTR(icc, lpInput);
451 COPYPTR(icc, lpckid);
452 COPYPTR(icc, lpdwFlags);
453 COPY(icc, lFrameNum);
454 COPY(icc, dwFrameSize);
455 COPY(icc, dwQuality);
456 COPYPTR(icc, lpbiPrev);
457 COPYPTR(icc, lpPrev);
459 *lParam1 = (DWORD)(icc);
460 *lParam2 = sizeof(ICCOMPRESS);
462 break;
463 case ICM_DECOMPRESS:
465 ICDECOMPRESS *icd = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDECOMPRESS));
466 ICDECOMPRESS *icd16; /* Same structure except for the pointers */
468 icd16 = MapSL(*lParam1);
469 ret = icd16;
471 COPY(icd, dwFlags);
472 COPYPTR(icd, lpbiInput);
473 COPYPTR(icd, lpInput);
474 COPYPTR(icd, lpbiOutput);
475 COPYPTR(icd, lpOutput);
476 COPY(icd, ckid);
478 *lParam1 = (DWORD)(icd);
479 *lParam2 = sizeof(ICDECOMPRESS);
481 break;
482 case ICM_COMPRESS_BEGIN:
483 case ICM_COMPRESS_GET_FORMAT:
484 case ICM_COMPRESS_GET_SIZE:
485 case ICM_COMPRESS_QUERY:
486 case ICM_DECOMPRESS_GET_FORMAT:
487 case ICM_DECOMPRESS_QUERY:
488 case ICM_DECOMPRESS_BEGIN:
489 case ICM_DECOMPRESS_SET_PALETTE:
490 case ICM_DECOMPRESS_GET_PALETTE:
491 *lParam1 = (DWORD)MapSL(*lParam1);
492 *lParam2 = (DWORD)MapSL(*lParam2);
493 break;
494 case ICM_DECOMPRESSEX_QUERY:
495 if ((*lParam2 != sizeof(ICDECOMPRESSEX16)) && (*lParam2 != 0))
496 WARN("*lParam2 has unknown value %p\n", (ICDECOMPRESSEX16*)*lParam2);
497 /* FIXME: *lParm2 is meant to be 0 or an ICDECOMPRESSEX16*, but is sizeof(ICDECOMRPESSEX16)
498 * This is because of ICMessage(). Special case it?
500 LPVOID* addr = HeapAlloc(GetProcessHeap(), 0, 2*sizeof(LPVOID));
501 addr[0] = MSVIDEO_MapICDEX16To32(lParam1);
502 if (*lParam2)
503 addr[1] = MSVIDEO_MapICDEX16To32(lParam2);
504 else
505 addr[1] = 0;
507 ret = addr;
509 break;*/
510 case ICM_DECOMPRESSEX_BEGIN:
511 case ICM_DECOMPRESSEX:
512 ret = MSVIDEO_MapICDEX16To32(lParam1);
513 *lParam2 = sizeof(ICDECOMPRESSEX);
514 break;
515 case ICM_DRAW_BEGIN:
517 ICDRAWBEGIN *icdb = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAWBEGIN));
518 ICDRAWBEGIN16 *icdb16 = MapSL(*lParam1);
519 ret = icdb16;
521 COPY(icdb, dwFlags);
522 icdb->hpal = HPALETTE_32(icdb16->hpal);
523 icdb->hwnd = HWND_32(icdb16->hwnd);
524 icdb->hdc = HDC_32(icdb16->hdc);
525 COPY(icdb, xDst);
526 COPY(icdb, yDst);
527 COPY(icdb, dxDst);
528 COPY(icdb, dyDst);
529 COPYPTR(icdb, lpbi);
530 COPY(icdb, xSrc);
531 COPY(icdb, ySrc);
532 COPY(icdb, dxSrc);
533 COPY(icdb, dySrc);
534 COPY(icdb, dwRate);
535 COPY(icdb, dwScale);
537 *lParam1 = (DWORD)(icdb);
538 *lParam2 = sizeof(ICDRAWBEGIN);
540 break;
541 case ICM_DRAW_SUGGESTFORMAT:
543 ICDRAWSUGGEST *icds = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAWSUGGEST));
544 ICDRAWSUGGEST16 *icds16 = MapSL(*lParam1);
546 ret = icds16;
548 COPY(icds, dwFlags);
549 COPYPTR(icds, lpbiIn);
550 COPYPTR(icds, lpbiSuggest);
551 COPY(icds, dxSrc);
552 COPY(icds, dySrc);
553 COPY(icds, dxDst);
554 COPY(icds, dyDst);
555 icds->hicDecompressor = HIC_32(icds16->hicDecompressor);
557 *lParam1 = (DWORD)(icds);
558 *lParam2 = sizeof(ICDRAWSUGGEST);
560 break;
561 case ICM_DRAW:
563 ICDRAW *icd = HeapAlloc(GetProcessHeap(), 0, sizeof(ICDRAW));
564 ICDRAW *icd16 = MapSL(*lParam1);
565 ret = icd16;
567 COPY(icd, dwFlags);
568 COPYPTR(icd, lpFormat);
569 COPYPTR(icd, lpData);
570 COPY(icd, cbData);
571 COPY(icd, lTime);
573 *lParam1 = (DWORD)(icd);
574 *lParam2 = sizeof(ICDRAW);
576 break;
577 case ICM_DRAW_START:
578 case ICM_DRAW_STOP:
579 break;
580 default:
581 FIXME("%d is not yet handled. Expect a crash.\n", msg);
583 return ret;
586 #undef COPY
587 #undef COPYPTR
589 /******************************************************************
590 * MSVIDEO_UnmapMsg16To32
594 static void MSVIDEO_UnmapMsg16To32(UINT msg, LPVOID data16, LPDWORD lParam1, LPDWORD lParam2)
596 TRACE("Unmapping %d\n", msg);
598 #define UNCOPY(x, y) (x##16->y = x->y);
600 switch (msg)
602 case ICM_GETINFO:
604 ICINFO *ici = (ICINFO*)(*lParam1);
605 ICINFO16 *ici16 = data16;
607 UNCOPY(ici, fccType);
608 UNCOPY(ici, fccHandler);
609 UNCOPY(ici, dwFlags);
610 UNCOPY(ici, dwVersion);
611 UNCOPY(ici, dwVersionICM);
612 WideCharToMultiByte( CP_ACP, 0, ici->szName, -1, ici16->szName,
613 sizeof(ici16->szName), NULL, NULL );
614 ici16->szName[sizeof(ici16->szName)-1] = 0;
615 WideCharToMultiByte( CP_ACP, 0, ici->szDescription, -1, ici16->szDescription,
616 sizeof(ici16->szDescription), NULL, NULL );
617 ici16->szDescription[sizeof(ici16->szDescription)-1] = 0;
618 /* This just gives garbage for some reason - BB
619 lstrcpynWtoA(ici16->szDriver, ici->szDriver, 128);*/
621 HeapFree(GetProcessHeap(), 0, ici);
623 break;
624 case ICM_DECOMPRESS_QUERY:
626 LPVOID* x = data16;
627 HeapFree(GetProcessHeap(), 0, x[0]);
628 if (x[1])
629 HeapFree(GetProcessHeap(), 0, x[1]);
631 break;*/
632 case ICM_COMPRESS:
633 case ICM_DECOMPRESS:
634 case ICM_DECOMPRESSEX_QUERY:
635 case ICM_DECOMPRESSEX_BEGIN:
636 case ICM_DECOMPRESSEX:
637 case ICM_DRAW_BEGIN:
638 case ICM_DRAW_SUGGESTFORMAT:
639 case ICM_DRAW:
640 HeapFree(GetProcessHeap(), 0, data16);
641 break;
642 default:
643 ERR("Unmapping unmapped msg %d\n", msg);
645 #undef UNCOPY
648 /***********************************************************************
649 * ICInfo [MSVIDEO.200]
651 BOOL16 VFWAPI ICInfo16(DWORD fccType, DWORD fccHandler, ICINFO16 *lpicinfo)
653 BOOL16 ret;
654 LPVOID lpv;
655 DWORD lParam = (DWORD)lpicinfo;
656 DWORD size = ((ICINFO*)(MapSL((SEGPTR)lpicinfo)))->dwSize;
658 /* Use the mapping functions to map the ICINFO structure */
659 lpv = MSVIDEO_MapMsg16To32(ICM_GETINFO, &lParam, &size);
661 ret = ICInfo(fccType, fccHandler, (ICINFO*)lParam);
663 MSVIDEO_UnmapMsg16To32(ICM_GETINFO, lpv, &lParam, &size);
665 return ret;
668 /******************************************************************
669 * IC_Callback3216
673 static LRESULT CALLBACK IC_Callback3216(DWORD pfn16, HIC hic, HDRVR hdrv, UINT msg, DWORD lp1, DWORD lp2)
675 WORD args[8];
676 DWORD ret = 0;
678 switch (msg)
680 case DRV_OPEN:
681 lp2 = (DWORD)MapLS((void*)lp2);
682 break;
684 args[7] = HIWORD(hic);
685 args[6] = LOWORD(hic);
686 args[5] = HDRVR_16(hdrv);
687 args[4] = msg;
688 args[3] = HIWORD(lp1);
689 args[2] = LOWORD(lp1);
690 args[1] = HIWORD(lp2);
691 args[0] = LOWORD(lp2);
692 WOWCallback16Ex( pfn16, WCB16_PASCAL, sizeof(args), args, &ret );
694 switch (msg)
696 case DRV_OPEN:
697 UnMapLS(lp2);
698 break;
700 return ret;
703 #define MAX_THUNKS 32
705 static struct msvideo_thunk
707 BYTE popl_eax; /* popl %eax (return address) */
708 BYTE pushl_func; /* pushl $pfn16 (16bit callback function) */
709 DWORD pfn16;
710 BYTE pushl_eax; /* pushl %eax */
711 BYTE jmp; /* ljmp WDML_InvokeCallback16 */
712 DWORD callback;
713 HIC16 hIC16; /* driver's handle */
714 } *MSVIDEO_Thunks;
716 static CRITICAL_SECTION msvideo_cs;
717 static CRITICAL_SECTION_DEBUG critsect_debug =
719 0, 0, &msvideo_cs,
720 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
721 0, 0, { (DWORD_PTR)(__FILE__ ": msvideo_cs") }
723 static CRITICAL_SECTION msvideo_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
725 static struct msvideo_thunk* MSVIDEO_AddThunk(DWORD pfn16)
727 struct msvideo_thunk* thunk;
729 if (!MSVIDEO_Thunks)
731 MSVIDEO_Thunks = VirtualAlloc(NULL, MAX_THUNKS * sizeof(*MSVIDEO_Thunks), MEM_COMMIT,
732 PAGE_EXECUTE_READWRITE);
733 if (!MSVIDEO_Thunks) return NULL;
734 for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
736 thunk->popl_eax = 0x58; /* popl %eax */
737 thunk->pushl_func = 0x68; /* pushl $pfn16 */
738 thunk->pfn16 = 0;
739 thunk->pushl_eax = 0x50; /* pushl %eax */
740 thunk->jmp = 0xe9; /* jmp IC_Callback3216 */
741 thunk->callback = (char *)IC_Callback3216 - (char *)(&thunk->callback + 1);
742 thunk->hIC16 = 0;
745 for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
747 if (thunk->pfn16 == 0)
749 thunk->pfn16 = pfn16;
750 return thunk;
753 FIXME("Out of msvideo-thunks. Bump MAX_THUNKS\n");
754 return NULL;
757 static struct msvideo_thunk* MSVIDEO_HasThunk(HIC16 hic)
759 struct msvideo_thunk* thunk;
761 for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
763 if (thunk->hIC16 == hic) return thunk;
765 return NULL;
768 /***********************************************************************
769 * ICOpenFunction [MSVIDEO.206]
771 HIC16 VFWAPI ICOpenFunction16(DWORD fccType, DWORD fccHandler, UINT16 wMode, FARPROC16 lpfnHandler)
773 HIC hic32;
774 struct msvideo_thunk* thunk;
776 EnterCriticalSection(&msvideo_cs);
777 if (!(thunk = MSVIDEO_AddThunk((DWORD)lpfnHandler)))
779 LeaveCriticalSection(&msvideo_cs);
780 return 0;
782 if ((hic32 = ICOpenFunction(fccType, fccHandler, wMode, IC_Callback3216)))
783 thunk->hIC16 = HIC_16(hic32);
784 else
785 thunk->pfn16 = 0;
786 LeaveCriticalSection(&msvideo_cs);
787 return HIC_16(hic32);
790 /***********************************************************************
791 * ICSendMessage [MSVIDEO.205]
793 LRESULT VFWAPI ICSendMessage16(HIC16 hic, UINT16 msg, DWORD lParam1, DWORD lParam2)
795 LRESULT ret = ICERR_BADHANDLE;
796 struct msvideo_thunk* thunk;
798 if ((thunk = MSVIDEO_HasThunk(hic)))
800 WORD args[8];
801 DWORD result;
803 /* FIXME: original code was passing hdrv first and hic second */
804 /* but this doesn't match what IC_Callback3216 does */
805 args[7] = HIWORD(hic);
806 args[6] = LOWORD(hic);
807 args[5] = 0; /* the 32bit also sets it to NULL */
808 args[4] = msg;
809 args[3] = HIWORD(lParam1);
810 args[2] = LOWORD(lParam1);
811 args[1] = HIWORD(lParam2);
812 args[0] = LOWORD(lParam2);
813 WOWCallback16Ex( thunk->pfn16, WCB16_PASCAL, sizeof(args), args, &result );
814 ret = result;
816 else
818 /* map the message for a 32 bit infrastructure, and pass it along */
819 void* data16 = MSVIDEO_MapMsg16To32(msg, &lParam1, &lParam2);
821 ret = ICSendMessage(HIC_32(hic), msg, lParam1, lParam2);
822 if (data16)
823 MSVIDEO_UnmapMsg16To32(msg, data16, &lParam1, &lParam2);
825 return ret;
828 /***********************************************************************
829 * ICClose [MSVIDEO.204]
831 LRESULT WINAPI ICClose16(HIC16 hic)
833 BOOL ret = ICClose(HIC_32(hic));
835 EnterCriticalSection(&msvideo_cs);
836 if (ret)
838 struct msvideo_thunk* thunk;
839 if ((thunk = MSVIDEO_HasThunk(hic)))
841 thunk->pfn16 = 0;
842 thunk->hIC16 = 0;
844 else ret = FALSE;
846 LeaveCriticalSection(&msvideo_cs);
847 return ret;
850 /***********************************************************************
851 * VideoCapDriverDescAndVer [MSVIDEO.22]
853 DWORD WINAPI VideoCapDriverDescAndVer16(WORD nr, LPSTR buf1, WORD buf1len,
854 LPSTR buf2, WORD buf2len)
856 static const char version_info_spec[] = "\\StringFileInfo\\040904E4\\FileDescription";
857 DWORD verhandle;
858 DWORD infosize;
859 UINT subblocklen;
860 char *s, buf[2048], fn[260];
861 LPBYTE infobuf;
862 LPVOID subblock;
863 DWORD i, cnt = 0, lRet;
864 DWORD bufLen, fnLen;
865 FILETIME lastWrite;
866 HKEY hKey;
867 BOOL found = FALSE;
869 TRACE("(%d,%p,%d,%p,%d)\n", nr, buf1, buf1len, buf2, buf2len);
870 lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
871 if (lRet == ERROR_SUCCESS)
873 RegQueryInfoKeyA( hKey, 0, 0, 0, &cnt, 0, 0, 0, 0, 0, 0, 0);
874 for (i = 0; i < cnt; i++)
876 bufLen = sizeof(buf) / sizeof(buf[0]);
877 lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
878 if (lRet != ERROR_SUCCESS) continue;
879 if (strncasecmp(buf, "vid", 3)) continue;
880 if (nr--) continue;
881 fnLen = sizeof(fn);
882 lRet = RegQueryValueExA(hKey, buf, 0, 0, (LPBYTE)fn, &fnLen);
883 if (lRet == ERROR_SUCCESS) found = TRUE;
884 break;
886 RegCloseKey( hKey );
889 /* search system.ini if not found in the registry */
890 if (!found && GetPrivateProfileStringA("drivers32", NULL, NULL, buf, sizeof(buf), "system.ini"))
892 for (s = buf; *s; s += strlen(s) + 1)
894 if (strncasecmp(s, "vid", 3)) continue;
895 if (nr--) continue;
896 if (GetPrivateProfileStringA("drivers32", s, NULL, fn, sizeof(fn), "system.ini"))
897 found = TRUE;
898 break;
902 if (!found)
904 TRACE("No more VID* entries found nr=%d\n", nr);
905 return 20;
907 infosize = GetFileVersionInfoSizeA(fn, &verhandle);
908 if (!infosize)
910 TRACE("%s has no fileversioninfo.\n", fn);
911 return 18;
913 infobuf = HeapAlloc(GetProcessHeap(), 0, infosize);
914 if (GetFileVersionInfoA(fn, verhandle, infosize, infobuf))
916 /* Yes, two space behind : */
917 /* FIXME: test for buflen */
918 snprintf(buf2, buf2len, "Version: %d.%d.%d.%d\n",
919 ((WORD*)infobuf)[0x0f],
920 ((WORD*)infobuf)[0x0e],
921 ((WORD*)infobuf)[0x11],
922 ((WORD*)infobuf)[0x10]
924 TRACE("version of %s is %s\n", fn, buf2);
926 else
928 TRACE("GetFileVersionInfoA failed for %s.\n", fn);
929 lstrcpynA(buf2, fn, buf2len); /* msvideo.dll appears to copy fn*/
931 /* FIXME: language problem? */
932 if (VerQueryValueA( infobuf,
933 version_info_spec,
934 &subblock,
935 &subblocklen
938 UINT copylen = min(subblocklen,buf1len-1);
939 memcpy(buf1, subblock, copylen);
940 buf1[copylen] = '\0';
941 TRACE("VQA returned %s\n", (LPCSTR)subblock);
943 else
945 TRACE("VQA did not return on query \\StringFileInfo\\040904E4\\FileDescription?\n");
946 lstrcpynA(buf1, fn, buf1len); /* msvideo.dll appears to copy fn*/
948 HeapFree(GetProcessHeap(), 0, infobuf);
949 return 0;
952 /**************************************************************************
953 * DllEntryPoint (MSVIDEO.3)
955 * MSVIDEO DLL entry point
958 BOOL WINAPI VIDEO_LibMain(DWORD fdwReason, HINSTANCE hinstDLL, WORD ds,
959 WORD wHeapSize, DWORD dwReserved1, WORD wReserved2)
961 switch (fdwReason)
963 case DLL_PROCESS_ATTACH:
964 break;
965 case DLL_PROCESS_DETACH:
966 break;
967 case DLL_THREAD_ATTACH:
968 case DLL_THREAD_DETACH:
969 break;
971 return TRUE;