Yet another round of redundant NULL checks before HeapFree.
[wine/hacks.git] / dlls / msvfw32 / msvideo_main.c
blob5aa050a844f77dfc0cf23e58ea013d158655b426
1 /*
2 * Copyright 1998 Marcus Meissner
3 * Copyright 2000 Bradley Baetz
4 * Copyright 2003 Michael Günnewig
5 * Copyright 2005 Dmitry Timoshkov
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
21 * FIXME: This all assumes 32 bit codecs
22 * Win95 appears to prefer 32 bit codecs, even from 16 bit code.
23 * There is the ICOpenFunction16 to worry about still, though.
25 * TODO
26 * - no thread safety
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <string.h>
33 #define COM_NO_WINDOWS_H
34 #include "windef.h"
35 #include "winbase.h"
36 #include "winreg.h"
37 #include "winnls.h"
38 #include "wingdi.h"
39 #include "winuser.h"
40 #include "commdlg.h"
41 #include "vfw.h"
42 #include "msvideo_private.h"
43 #include "wine/debug.h"
45 /* Drivers32 settings */
46 #define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
48 WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
50 static inline const char *wine_dbgstr_fcc( DWORD fcc )
52 return wine_dbg_sprintf("%c%c%c%c",
53 LOBYTE(LOWORD(fcc)), HIBYTE(LOWORD(fcc)),
54 LOBYTE(HIWORD(fcc)), HIBYTE(HIWORD(fcc)));
57 LRESULT (CALLBACK *pFnCallTo16)(HDRVR, HIC, UINT, LPARAM, LPARAM) = NULL;
59 static WINE_HIC* MSVIDEO_FirstHic /* = NULL */;
61 typedef struct _reg_driver reg_driver;
62 struct _reg_driver
64 DWORD fccType;
65 DWORD fccHandler;
66 DRIVERPROC proc;
67 LPWSTR name;
68 reg_driver* next;
71 static reg_driver* reg_driver_list = NULL;
73 /* This one is a macro such that it works for both ASCII and Unicode */
74 #define fourcc_to_string(str, fcc) do { \
75 (str)[0] = LOBYTE(LOWORD(fcc)); \
76 (str)[1] = HIBYTE(LOWORD(fcc)); \
77 (str)[2] = LOBYTE(HIWORD(fcc)); \
78 (str)[3] = HIBYTE(HIWORD(fcc)); \
79 } while(0)
81 HMODULE MSVFW32_hModule;
83 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
85 TRACE("%p,%lx,%p\n", hinst, reason, reserved);
87 switch(reason)
89 case DLL_PROCESS_ATTACH:
90 DisableThreadLibraryCalls(hinst);
91 MSVFW32_hModule = (HMODULE)hinst;
92 break;
94 return TRUE;
97 static int compare_fourcc(DWORD fcc1, DWORD fcc2)
99 char fcc_str1[4];
100 char fcc_str2[4];
101 fourcc_to_string(fcc_str1, fcc1);
102 fourcc_to_string(fcc_str2, fcc2);
103 return strncasecmp(fcc_str1, fcc_str2, 4);
106 typedef BOOL (*enum_handler_t)(const char*, int, void*);
108 static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
110 CHAR buf[2048], fccTypeStr[5], *s;
111 DWORD i, cnt = 0, bufLen, lRet;
112 BOOL result = FALSE;
113 FILETIME lastWrite;
114 HKEY hKey;
116 fourcc_to_string(fccTypeStr, fccType);
117 fccTypeStr[4] = '.';
119 /* first, go through the registry entries */
120 lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
121 if (lRet == ERROR_SUCCESS)
123 DWORD numkeys;
124 RegQueryInfoKeyA( hKey, 0, 0, 0, &numkeys, 0, 0, 0, 0, 0, 0, 0);
125 for (i = 0; i < numkeys; i++)
127 bufLen = sizeof(buf) / sizeof(buf[0]);
128 lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
129 if (lRet != ERROR_SUCCESS) continue;
130 if (strncasecmp(buf, fccTypeStr, 5) || buf[9] != '=') continue;
131 if ((result = handler(buf, cnt++, param))) break;
133 RegCloseKey( hKey );
135 if (result) return result;
137 /* if that didn't work, go through the values in system.ini */
138 if (GetPrivateProfileSectionA("drivers32", buf, sizeof(buf), "system.ini"))
140 for (s = buf; *s; s += strlen(s) + 1)
142 TRACE("got %s\n", s);
143 if (strncasecmp(s, fccTypeStr, 5) || s[9] != '=') continue;
144 if ((result = handler(s, cnt++, param))) break;
148 return result;
151 /******************************************************************
152 * MSVIDEO_GetHicPtr
156 WINE_HIC* MSVIDEO_GetHicPtr(HIC hic)
158 WINE_HIC* whic;
160 for (whic = MSVIDEO_FirstHic; whic && whic->hic != hic; whic = whic->next);
161 return whic;
164 /***********************************************************************
165 * VideoForWindowsVersion [MSVFW32.2]
166 * VideoForWindowsVersion [MSVIDEO.2]
167 * Returns the version in major.minor form.
168 * In Windows95 this returns 0x040003b6 (4.950)
170 DWORD WINAPI VideoForWindowsVersion(void)
172 return 0x040003B6; /* 4.950 */
175 static BOOL ICInfo_enum_handler(const char *drv, int nr, void *param)
177 ICINFO *lpicinfo = (ICINFO *)param;
178 DWORD fccHandler = mmioStringToFOURCCA(drv + 5, 0);
180 /* exact match of fccHandler or nth driver found */
181 if ((lpicinfo->fccHandler != nr) && (lpicinfo->fccHandler != fccHandler))
182 return FALSE;
184 lpicinfo->fccHandler = fccHandler;
185 lpicinfo->dwFlags = 0;
186 lpicinfo->dwVersion = 0;
187 lpicinfo->dwVersionICM = ICVERSION;
188 lpicinfo->szName[0] = 0;
189 lpicinfo->szDescription[0] = 0;
190 MultiByteToWideChar(CP_ACP, 0, drv + 10, -1, lpicinfo->szDriver,
191 sizeof(lpicinfo->szDriver)/sizeof(WCHAR));
193 return TRUE;
196 /***********************************************************************
197 * ICInfo [MSVFW32.@]
198 * Get information about an installable compressor. Return TRUE if there
199 * is one.
201 * PARAMS
202 * fccType [I] type of compressor (e.g. 'vidc')
203 * fccHandler [I] real fcc for handler or <n>th compressor
204 * lpicinfo [O] information about compressor
206 BOOL VFWAPI ICInfo( DWORD fccType, DWORD fccHandler, ICINFO *lpicinfo)
208 TRACE("(%s,%s/%08lx,%p)\n",
209 wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), fccHandler, lpicinfo);
211 lpicinfo->fccType = fccType;
212 lpicinfo->fccHandler = fccHandler;
213 return enum_drivers(fccType, ICInfo_enum_handler, lpicinfo);
216 static DWORD IC_HandleRef = 1;
218 /***********************************************************************
219 * ICInstall [MSVFW32.@]
221 BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags)
223 reg_driver* driver;
224 unsigned len;
226 TRACE("(%s,%s,%p,%p,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), (void*)lParam, szDesc, wFlags);
228 /* Check if a driver is already registered */
229 for (driver = reg_driver_list; driver; driver = driver->next)
231 if (!compare_fourcc(fccType, driver->fccType) &&
232 !compare_fourcc(fccHandler, driver->fccHandler))
233 break;
235 if (driver) return FALSE;
237 /* Register the driver */
238 driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(reg_driver));
239 if (!driver) goto oom;
240 driver->fccType = fccType;
241 driver->fccHandler = fccHandler;
243 switch(wFlags)
245 case ICINSTALL_FUNCTION:
246 driver->proc = (DRIVERPROC)lParam;
247 driver->name = NULL;
248 break;
249 case ICINSTALL_DRIVER:
250 driver->proc = NULL;
251 len = MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, NULL, 0);
252 driver->name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
253 if (!driver->name) goto oom;
254 MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, driver->name, len);
255 break;
256 default:
257 ERR("Invalid flags!\n");
258 HeapFree(GetProcessHeap(), 0, driver);
259 return FALSE;
262 /* Insert our driver in the list*/
263 driver->next = reg_driver_list;
264 reg_driver_list = driver;
266 return TRUE;
267 oom:
268 HeapFree(GetProcessHeap(), 0, driver);
269 return FALSE;
272 /***********************************************************************
273 * ICRemove [MSVFW32.@]
275 BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags)
277 reg_driver** pdriver;
278 reg_driver* drv;
280 TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wFlags);
282 /* Check if a driver is already registered */
283 for (pdriver = &reg_driver_list; *pdriver; pdriver = &(*pdriver)->next)
285 if (!compare_fourcc(fccType, (*pdriver)->fccType) &&
286 !compare_fourcc(fccHandler, (*pdriver)->fccHandler))
287 break;
289 if (!*pdriver)
290 return FALSE;
292 /* Remove the driver from the list */
293 drv = *pdriver;
294 *pdriver = (*pdriver)->next;
295 HeapFree(GetProcessHeap(), 0, drv->name);
296 HeapFree(GetProcessHeap(), 0, drv);
298 return TRUE;
302 /***********************************************************************
303 * ICOpen [MSVFW32.@]
304 * Opens an installable compressor. Return special handle.
306 HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode)
308 WCHAR codecname[10];
309 ICOPEN icopen;
310 HDRVR hdrv;
311 WINE_HIC* whic;
312 BOOL bIs16;
313 static const WCHAR drv32W[] = {'d','r','i','v','e','r','s','3','2','\0'};
314 reg_driver* driver;
316 TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode);
318 /* Check if there is a registered driver that matches */
319 driver = reg_driver_list;
320 while(driver)
321 if (!compare_fourcc(fccType, driver->fccType) &&
322 !compare_fourcc(fccHandler, driver->fccHandler))
323 break;
324 else
325 driver = driver->next;
327 if (driver && driver->proc)
328 /* The driver has been registered at runtime with its driverproc */
329 return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)driver->proc, (DWORD)NULL);
331 /* Well, lParam2 is in fact a LPVIDEO_OPEN_PARMS, but it has the
332 * same layout as ICOPEN
334 icopen.dwSize = sizeof(ICOPEN);
335 icopen.fccType = fccType;
336 icopen.fccHandler = fccHandler;
337 icopen.dwVersion = 0x00001000; /* FIXME */
338 icopen.dwFlags = wMode;
339 icopen.dwError = 0;
340 icopen.pV1Reserved = NULL;
341 icopen.pV2Reserved = NULL;
342 icopen.dnDevNode = 0; /* FIXME */
344 if (!driver) {
345 /* The driver is registered in the registry */
346 fourcc_to_string(codecname, fccType);
347 codecname[4] = '.';
348 fourcc_to_string(codecname + 5, fccHandler);
349 codecname[9] = '\0';
351 hdrv = OpenDriver(codecname, drv32W, (LPARAM)&icopen);
352 if (!hdrv)
353 return 0;
354 } else {
355 /* The driver has been registered at runtime with its name */
356 hdrv = OpenDriver(driver->name, NULL, (LPARAM)&icopen);
357 if (!hdrv)
358 return 0;
360 bIs16 = GetDriverFlags(hdrv) & 0x10000000; /* undocumented flag: WINE_GDF_16BIT */
362 if (bIs16 && !pFnCallTo16)
364 FIXME("Got a 16 bit driver, but no 16 bit support in msvfw\n");
365 return 0;
367 whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
368 if (!whic)
370 CloseDriver(hdrv, 0, 0);
371 return FALSE;
373 whic->hdrv = hdrv;
374 /* FIXME: is the signature the real one ? */
375 whic->driverproc = bIs16 ? (DRIVERPROC)pFnCallTo16 : NULL;
376 whic->driverproc16 = 0;
377 whic->type = fccType;
378 whic->handler = fccHandler;
379 while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
380 whic->hic = HIC_32(IC_HandleRef++);
381 whic->next = MSVIDEO_FirstHic;
382 MSVIDEO_FirstHic = whic;
384 TRACE("=> %p\n", whic->hic);
385 return whic->hic;
388 /***********************************************************************
389 * MSVIDEO_OpenFunction
391 HIC MSVIDEO_OpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode,
392 DRIVERPROC lpfnHandler, DWORD lpfnHandler16)
394 ICOPEN icopen;
395 WINE_HIC* whic;
397 TRACE("(%s,%s,%d,%p,%08lx)\n",
398 wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode, lpfnHandler, lpfnHandler16);
400 icopen.dwSize = sizeof(ICOPEN);
401 icopen.fccType = fccType;
402 icopen.fccHandler = fccHandler;
403 icopen.dwVersion = ICVERSION;
404 icopen.dwFlags = wMode;
405 icopen.dwError = 0;
406 icopen.pV1Reserved = NULL;
407 icopen.pV2Reserved = NULL;
408 icopen.dnDevNode = 0; /* FIXME */
410 whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
411 if (!whic) return 0;
413 whic->driverproc = lpfnHandler;
414 whic->driverproc16 = lpfnHandler16;
415 while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
416 whic->hic = HIC_32(IC_HandleRef++);
417 whic->next = MSVIDEO_FirstHic;
418 MSVIDEO_FirstHic = whic;
420 /* Now try opening/loading the driver. Taken from DRIVER_AddToList */
421 /* What if the function is used more than once? */
423 if (MSVIDEO_SendMessage(whic, DRV_LOAD, 0L, 0L) != DRV_SUCCESS)
425 WARN("DRV_LOAD failed for hic %p\n", whic->hic);
426 MSVIDEO_FirstHic = whic->next;
427 HeapFree(GetProcessHeap(), 0, whic);
428 return 0;
430 /* return value is not checked */
431 MSVIDEO_SendMessage(whic, DRV_ENABLE, 0L, 0L);
433 whic->driverId = (DWORD)MSVIDEO_SendMessage(whic, DRV_OPEN, 0, (DWORD_PTR)&icopen);
434 /* FIXME: What should we put here? */
435 whic->hdrv = NULL;
437 if (whic->driverId == 0)
439 WARN("DRV_OPEN failed for hic %p\n", whic->hic);
440 MSVIDEO_FirstHic = whic->next;
441 HeapFree(GetProcessHeap(), 0, whic);
442 return 0;
445 TRACE("=> %p\n", whic->hic);
446 return whic->hic;
449 /***********************************************************************
450 * ICOpenFunction [MSVFW32.@]
452 HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler)
454 return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)lpfnHandler, 0);
457 /***********************************************************************
458 * ICGetInfo [MSVFW32.@]
460 LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO *picinfo, DWORD cb)
462 LRESULT ret;
463 WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
465 TRACE("(%p,%p,%ld)\n", hic, picinfo, cb);
467 whic = MSVIDEO_GetHicPtr(hic);
468 if (!whic) return ICERR_BADHANDLE;
469 if (!picinfo) return MMSYSERR_INVALPARAM;
471 /* (WS) The field szDriver should be initialized because the driver
472 * is not obliged and often will not do it. Some applications, like
473 * VirtualDub, rely on this field and will occasionally crash if it
474 * goes unitialized.
476 if (cb >= sizeof(ICINFO)) picinfo->szDriver[0] = '\0';
478 ret = ICSendMessage(hic, ICM_GETINFO, (DWORD_PTR)picinfo, cb);
480 /* (WS) When szDriver was not supplied by the driver itself, apparently
481 * Windows will set its value equal to the driver file name. This can
482 * be obtained from the registry as we do here.
484 if (cb >= sizeof(ICINFO) && picinfo->szDriver[0] == 0)
486 ICINFO ii;
488 memset(&ii, 0, sizeof(ii));
489 ii.dwSize = sizeof(ii);
490 ICInfo(picinfo->fccType, picinfo->fccHandler, &ii);
491 lstrcpyW(picinfo->szDriver, ii.szDriver);
494 TRACE(" -> 0x%08lx\n", ret);
495 return ret;
498 typedef struct {
499 DWORD fccType;
500 DWORD fccHandler;
501 LPBITMAPINFOHEADER lpbiIn;
502 LPBITMAPINFOHEADER lpbiOut;
503 WORD wMode;
504 DWORD querymsg;
505 HIC hic;
506 } driver_info_t;
508 static HIC try_driver(driver_info_t *info)
510 HIC hic;
512 if ((hic = ICOpen(info->fccType, info->fccHandler, info->wMode)))
514 if (!ICSendMessage(hic, info->querymsg, (DWORD_PTR)info->lpbiIn, (DWORD_PTR)info->lpbiOut))
515 return hic;
516 ICClose(hic);
518 return 0;
521 static BOOL ICLocate_enum_handler(const char *drv, int nr, void *param)
523 driver_info_t *info = (driver_info_t *)param;
524 info->fccHandler = mmioStringToFOURCCA(drv + 5, 0);
525 info->hic = try_driver(info);
526 return info->hic != 0;
529 /***********************************************************************
530 * ICLocate [MSVFW32.@]
532 HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
533 LPBITMAPINFOHEADER lpbiOut, WORD wMode)
535 driver_info_t info;
537 TRACE("(%s,%s,%p,%p,0x%04x)\n",
538 wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
540 info.fccType = fccType;
541 info.fccHandler = fccHandler;
542 info.lpbiIn = lpbiIn;
543 info.lpbiOut = lpbiOut;
544 info.wMode = wMode;
546 switch (wMode)
548 case ICMODE_FASTCOMPRESS:
549 case ICMODE_COMPRESS:
550 info.querymsg = ICM_COMPRESS_QUERY;
551 break;
552 case ICMODE_FASTDECOMPRESS:
553 case ICMODE_DECOMPRESS:
554 info.querymsg = ICM_DECOMPRESS_QUERY;
555 break;
556 case ICMODE_DRAW:
557 info.querymsg = ICM_DRAW_QUERY;
558 break;
559 default:
560 WARN("Unknown mode (%d)\n", wMode);
561 return 0;
564 /* Easy case: handler/type match, we just fire a query and return */
565 info.hic = try_driver(&info);
566 /* If it didn't work, try each driver in turn. 32 bit codecs only. */
567 /* FIXME: Move this to an init routine? */
568 if (!info.hic) enum_drivers(fccType, ICLocate_enum_handler, &info);
570 if (info.hic)
572 TRACE("=> %p\n", info.hic);
573 return info.hic;
576 if (fccType == streamtypeVIDEO)
577 return ICLocate(ICTYPE_VIDEO, fccHandler, lpbiIn, lpbiOut, wMode);
579 WARN("(%s,%s,%p,%p,0x%04x) not found!\n",
580 wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
581 return 0;
584 /***********************************************************************
585 * ICGetDisplayFormat [MSVFW32.@]
587 HIC VFWAPI ICGetDisplayFormat(
588 HIC hic,LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut,
589 INT depth,INT dx,INT dy)
591 HIC tmphic = hic;
593 TRACE("(%p,%p,%p,%d,%d,%d)!\n",hic,lpbiIn,lpbiOut,depth,dx,dy);
595 if (!tmphic) {
596 tmphic=ICLocate(ICTYPE_VIDEO,0,lpbiIn,NULL,ICMODE_DECOMPRESS);
597 if (!tmphic)
598 return tmphic;
600 if ((dy == lpbiIn->biHeight) && (dx == lpbiIn->biWidth))
601 dy = dx = 0; /* no resize needed */
603 /* Can we decompress it ? */
604 if (ICDecompressQuery(tmphic,lpbiIn,NULL) != 0)
605 goto errout; /* no, sorry */
607 ICDecompressGetFormat(tmphic,lpbiIn,lpbiOut);
609 if (lpbiOut->biCompression != 0) {
610 FIXME("Ooch, how come decompressor outputs compressed data (%ld)??\n",
611 lpbiOut->biCompression);
613 if (lpbiOut->biSize < sizeof(*lpbiOut)) {
614 FIXME("Ooch, size of output BIH is too small (%ld)\n",
615 lpbiOut->biSize);
616 lpbiOut->biSize = sizeof(*lpbiOut);
618 if (!depth) {
619 HDC hdc;
621 hdc = GetDC(0);
622 depth = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
623 ReleaseDC(0,hdc);
624 if (depth==15) depth = 16;
625 if (depth<8) depth = 8;
627 if (lpbiIn->biBitCount == 8)
628 depth = 8;
630 TRACE("=> %p\n", tmphic);
631 return tmphic;
632 errout:
633 if (hic!=tmphic)
634 ICClose(tmphic);
636 TRACE("=> 0\n");
637 return 0;
640 /***********************************************************************
641 * ICCompress [MSVFW32.@]
643 DWORD VFWAPIV
644 ICCompress(
645 HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiOutput,LPVOID lpData,
646 LPBITMAPINFOHEADER lpbiInput,LPVOID lpBits,LPDWORD lpckid,
647 LPDWORD lpdwFlags,LONG lFrameNum,DWORD dwFrameSize,DWORD dwQuality,
648 LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev)
650 ICCOMPRESS iccmp;
652 TRACE("(%p,%ld,%p,%p,%p,%p,...)\n",hic,dwFlags,lpbiOutput,lpData,lpbiInput,lpBits);
654 iccmp.dwFlags = dwFlags;
656 iccmp.lpbiOutput = lpbiOutput;
657 iccmp.lpOutput = lpData;
658 iccmp.lpbiInput = lpbiInput;
659 iccmp.lpInput = lpBits;
661 iccmp.lpckid = lpckid;
662 iccmp.lpdwFlags = lpdwFlags;
663 iccmp.lFrameNum = lFrameNum;
664 iccmp.dwFrameSize = dwFrameSize;
665 iccmp.dwQuality = dwQuality;
666 iccmp.lpbiPrev = lpbiPrev;
667 iccmp.lpPrev = lpPrev;
668 return ICSendMessage(hic,ICM_COMPRESS,(DWORD_PTR)&iccmp,sizeof(iccmp));
671 /***********************************************************************
672 * ICDecompress [MSVFW32.@]
674 DWORD VFWAPIV ICDecompress(HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiFormat,
675 LPVOID lpData,LPBITMAPINFOHEADER lpbi,LPVOID lpBits)
677 ICDECOMPRESS icd;
678 DWORD ret;
680 TRACE("(%p,%ld,%p,%p,%p,%p)\n",hic,dwFlags,lpbiFormat,lpData,lpbi,lpBits);
682 TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
684 icd.dwFlags = dwFlags;
685 icd.lpbiInput = lpbiFormat;
686 icd.lpInput = lpData;
688 icd.lpbiOutput = lpbi;
689 icd.lpOutput = lpBits;
690 icd.ckid = 0;
691 ret = ICSendMessage(hic,ICM_DECOMPRESS,(DWORD_PTR)&icd,sizeof(ICDECOMPRESS));
693 TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
695 TRACE("-> %ld\n",ret);
697 return ret;
701 struct choose_compressor
703 UINT flags;
704 LPCSTR title;
705 COMPVARS cv;
708 struct codec_info
710 HIC hic;
711 ICINFO icinfo;
714 static BOOL enum_compressors(HWND list, COMPVARS *pcv, BOOL enum_all)
716 UINT id, total = 0;
717 ICINFO icinfo;
719 id = 0;
721 while (ICInfo(pcv->fccType, id, &icinfo))
723 struct codec_info *ic;
724 DWORD idx;
725 HIC hic;
727 id++;
729 hic = ICOpen(icinfo.fccType, icinfo.fccHandler, ICMODE_COMPRESS);
731 if (hic)
733 /* for unknown reason fccHandler reported by the driver
734 * doesn't always work, use the one returned by ICInfo instead.
736 DWORD fccHandler = icinfo.fccHandler;
738 if (!enum_all && pcv->lpbiIn)
740 if (ICCompressQuery(hic, pcv->lpbiIn, NULL) != ICERR_OK)
742 TRACE("fccHandler %s doesn't support input DIB format %ld\n",
743 wine_dbgstr_fcc(icinfo.fccHandler), pcv->lpbiIn->bmiHeader.biCompression);
744 ICClose(hic);
745 continue;
749 ICGetInfo(hic, &icinfo, sizeof(icinfo));
750 icinfo.fccHandler = fccHandler;
752 idx = SendMessageW(list, CB_ADDSTRING, 0, (LPARAM)icinfo.szDescription);
754 ic = HeapAlloc(GetProcessHeap(), 0, sizeof(struct codec_info));
755 memcpy(&ic->icinfo, &icinfo, sizeof(ICINFO));
756 ic->hic = hic;
757 SendMessageW(list, CB_SETITEMDATA, idx, (LPARAM)ic);
759 total++;
762 return total != 0;
765 static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARAM wparam, LPARAM lparam)
767 switch (msg)
769 case WM_INITDIALOG:
771 struct codec_info *ic;
772 WCHAR buf[128];
773 struct choose_compressor *choose_comp = (struct choose_compressor *)lparam;
775 SetWindowLongPtrW(hdlg, DWLP_USER, lparam);
777 /* FIXME */
778 choose_comp->flags &= ~(ICMF_CHOOSE_DATARATE | ICMF_CHOOSE_KEYFRAME);
780 if (choose_comp->title)
781 SetWindowTextA(hdlg, choose_comp->title);
783 if (!(choose_comp->flags & ICMF_CHOOSE_DATARATE))
785 ShowWindow(GetDlgItem(hdlg, IDC_DATARATE_CHECKBOX), SW_HIDE);
786 ShowWindow(GetDlgItem(hdlg, IDC_DATARATE), SW_HIDE);
787 ShowWindow(GetDlgItem(hdlg, IDC_DATARATE_KB), SW_HIDE);
790 if (!(choose_comp->flags & ICMF_CHOOSE_KEYFRAME))
792 ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME_CHECKBOX), SW_HIDE);
793 ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME), SW_HIDE);
794 ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME_FRAMES), SW_HIDE);
797 /* FIXME */
798 EnableWindow(GetDlgItem(hdlg, IDC_QUALITY_SCROLL), FALSE);
799 EnableWindow(GetDlgItem(hdlg, IDC_QUALITY_TXT), FALSE);
801 /*if (!(choose_comp->flags & ICMF_CHOOSE_PREVIEW))
802 ShowWindow(GetDlgItem(hdlg, IDC_PREVIEW), SW_HIDE);*/
804 LoadStringW(MSVFW32_hModule, IDS_FULLFRAMES, buf, 128);
805 SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_ADDSTRING, 0, (LPARAM)buf);
807 ic = HeapAlloc(GetProcessHeap(), 0, sizeof(struct codec_info));
808 ic->icinfo.fccType = streamtypeVIDEO;
809 ic->icinfo.fccHandler = comptypeDIB;
810 ic->hic = 0;
811 SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_SETITEMDATA, 0, (LPARAM)ic);
813 enum_compressors(GetDlgItem(hdlg, IDC_COMP_LIST), &choose_comp->cv, choose_comp->flags & ICMF_CHOOSE_ALLCOMPRESSORS);
815 SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_SETCURSEL, 0, 0);
816 SetFocus(GetDlgItem(hdlg, IDC_COMP_LIST));
818 SetWindowLongPtrW(hdlg, DWLP_USER, (ULONG_PTR)choose_comp);
819 break;
822 case WM_COMMAND:
823 switch (LOWORD(wparam))
825 case IDC_COMP_LIST:
827 INT cur_sel;
828 struct codec_info *ic;
829 BOOL can_configure = FALSE, can_about = FALSE;
830 struct choose_compressor *choose_comp;
832 if (HIWORD(wparam) != CBN_SELCHANGE && HIWORD(wparam) != CBN_SETFOCUS)
833 break;
835 choose_comp = (struct choose_compressor *)GetWindowLongPtrW(hdlg, DWLP_USER);
837 cur_sel = SendMessageW((HWND)lparam, CB_GETCURSEL, 0, 0);
839 ic = (struct codec_info *)SendMessageW((HWND)lparam, CB_GETITEMDATA, cur_sel, 0);
840 if (ic && ic->hic)
842 if (ICQueryConfigure(ic->hic) == DRVCNF_OK)
843 can_configure = TRUE;
844 if (ICQueryAbout(ic->hic) == DRVCNF_OK)
845 can_about = TRUE;
847 EnableWindow(GetDlgItem(hdlg, IDC_CONFIGURE), can_configure);
848 EnableWindow(GetDlgItem(hdlg, IDC_ABOUT), can_about);
850 if (choose_comp->flags & ICMF_CHOOSE_DATARATE)
852 /* FIXME */
854 if (choose_comp->flags & ICMF_CHOOSE_KEYFRAME)
856 /* FIXME */
859 break;
862 case IDC_CONFIGURE:
863 case IDC_ABOUT:
865 HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
866 INT cur_sel;
867 struct codec_info *ic;
869 if (HIWORD(wparam) != BN_CLICKED)
870 break;
872 cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
874 ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
875 if (ic && ic->hic)
877 if (LOWORD(wparam) == IDC_CONFIGURE)
878 ICConfigure(ic->hic, hdlg);
879 else
880 ICAbout(ic->hic, hdlg);
883 break;
886 case IDOK:
888 HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
889 INT cur_sel;
890 struct codec_info *ic;
892 if (HIWORD(wparam) != BN_CLICKED)
893 break;
895 cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
896 ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
897 if (ic)
899 struct choose_compressor *choose_comp = (struct choose_compressor *)GetWindowLongPtrW(hdlg, DWLP_USER);
901 choose_comp->cv.hic = ic->hic;
902 choose_comp->cv.fccType = ic->icinfo.fccType;
903 choose_comp->cv.fccHandler = ic->icinfo.fccHandler;
904 /* FIXME: fill everything else */
906 /* prevent closing the codec handle below */
907 ic->hic = 0;
910 /* fall through */
911 case IDCANCEL:
913 HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
914 INT idx = 0;
916 if (HIWORD(wparam) != BN_CLICKED)
917 break;
919 while (1)
921 struct codec_info *ic;
923 ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, idx++, 0);
925 if (!ic || (LONG_PTR)ic == CB_ERR) break;
927 if (ic->hic) ICClose(ic->hic);
928 HeapFree(GetProcessHeap(), 0, ic);
931 EndDialog(hdlg, LOWORD(wparam) == IDOK);
932 break;
935 default:
936 break;
938 break;
940 default:
941 break;
944 return FALSE;
947 /***********************************************************************
948 * ICCompressorChoose [MSVFW32.@]
950 BOOL VFWAPI ICCompressorChoose(HWND hwnd, UINT uiFlags, LPVOID pvIn,
951 LPVOID lpData, PCOMPVARS pc, LPSTR lpszTitle)
953 struct choose_compressor choose_comp;
954 BOOL ret;
956 TRACE("(%p,%08x,%p,%p,%p,%s)\n", hwnd, uiFlags, pvIn, lpData, pc, lpszTitle);
958 if (!pc || pc->cbSize != sizeof(COMPVARS))
959 return FALSE;
961 if (!(pc->dwFlags & ICMF_COMPVARS_VALID))
963 pc->dwFlags = 0;
964 pc->fccType = pc->fccHandler = 0;
965 pc->hic = NULL;
966 pc->lpbiIn = NULL;
967 pc->lpbiOut = NULL;
968 pc->lpBitsOut = pc->lpBitsPrev = pc->lpState = NULL;
969 pc->lQ = ICQUALITY_DEFAULT;
970 pc->lKey = -1;
971 pc->lDataRate = 300; /* kB */
972 pc->lpState = NULL;
973 pc->cbState = 0;
975 if (pc->fccType == 0)
976 pc->fccType = ICTYPE_VIDEO;
978 choose_comp.cv = *pc;
979 choose_comp.flags = uiFlags;
980 choose_comp.title = lpszTitle;
982 ret = DialogBoxParamW(MSVFW32_hModule, MAKEINTRESOURCEW(ICM_CHOOSE_COMPRESSOR), hwnd,
983 icm_choose_compressor_dlgproc, (LPARAM)&choose_comp);
985 if (ret)
987 *pc = choose_comp.cv;
988 pc->dwFlags |= ICMF_COMPVARS_VALID;
991 return ret;
995 /***********************************************************************
996 * ICCompressorFree [MSVFW32.@]
998 void VFWAPI ICCompressorFree(PCOMPVARS pc)
1000 TRACE("(%p)\n",pc);
1002 if (pc != NULL && pc->cbSize == sizeof(COMPVARS)) {
1003 if (pc->hic != NULL) {
1004 ICClose(pc->hic);
1005 pc->hic = NULL;
1007 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1008 pc->lpbiIn = NULL;
1009 HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1010 pc->lpBitsOut = NULL;
1011 HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1012 pc->lpBitsPrev = NULL;
1013 HeapFree(GetProcessHeap(), 0, pc->lpState);
1014 pc->lpState = NULL;
1015 pc->dwFlags = 0;
1020 /******************************************************************
1021 * MSVIDEO_SendMessage
1025 LRESULT MSVIDEO_SendMessage(WINE_HIC* whic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2)
1027 LRESULT ret;
1029 #define XX(x) case x: TRACE("(%p,"#x",0x%08lx,0x%08lx)\n",whic,lParam1,lParam2); break;
1031 switch (msg) {
1032 /* DRV_* */
1033 XX(DRV_LOAD);
1034 XX(DRV_ENABLE);
1035 XX(DRV_OPEN);
1036 XX(DRV_CLOSE);
1037 XX(DRV_DISABLE);
1038 XX(DRV_FREE);
1039 /* ICM_RESERVED+X */
1040 XX(ICM_ABOUT);
1041 XX(ICM_CONFIGURE);
1042 XX(ICM_GET);
1043 XX(ICM_GETINFO);
1044 XX(ICM_GETDEFAULTQUALITY);
1045 XX(ICM_GETQUALITY);
1046 XX(ICM_GETSTATE);
1047 XX(ICM_SETQUALITY);
1048 XX(ICM_SET);
1049 XX(ICM_SETSTATE);
1050 /* ICM_USER+X */
1051 XX(ICM_COMPRESS_FRAMES_INFO);
1052 XX(ICM_COMPRESS_GET_FORMAT);
1053 XX(ICM_COMPRESS_GET_SIZE);
1054 XX(ICM_COMPRESS_QUERY);
1055 XX(ICM_COMPRESS_BEGIN);
1056 XX(ICM_COMPRESS);
1057 XX(ICM_COMPRESS_END);
1058 XX(ICM_DECOMPRESS_GET_FORMAT);
1059 XX(ICM_DECOMPRESS_QUERY);
1060 XX(ICM_DECOMPRESS_BEGIN);
1061 XX(ICM_DECOMPRESS);
1062 XX(ICM_DECOMPRESS_END);
1063 XX(ICM_DECOMPRESS_SET_PALETTE);
1064 XX(ICM_DECOMPRESS_GET_PALETTE);
1065 XX(ICM_DRAW_QUERY);
1066 XX(ICM_DRAW_BEGIN);
1067 XX(ICM_DRAW_GET_PALETTE);
1068 XX(ICM_DRAW_START);
1069 XX(ICM_DRAW_STOP);
1070 XX(ICM_DRAW_END);
1071 XX(ICM_DRAW_GETTIME);
1072 XX(ICM_DRAW);
1073 XX(ICM_DRAW_WINDOW);
1074 XX(ICM_DRAW_SETTIME);
1075 XX(ICM_DRAW_REALIZE);
1076 XX(ICM_DRAW_FLUSH);
1077 XX(ICM_DRAW_RENDERBUFFER);
1078 XX(ICM_DRAW_START_PLAY);
1079 XX(ICM_DRAW_STOP_PLAY);
1080 XX(ICM_DRAW_SUGGESTFORMAT);
1081 XX(ICM_DRAW_CHANGEPALETTE);
1082 XX(ICM_GETBUFFERSWANTED);
1083 XX(ICM_GETDEFAULTKEYFRAMERATE);
1084 XX(ICM_DECOMPRESSEX_BEGIN);
1085 XX(ICM_DECOMPRESSEX_QUERY);
1086 XX(ICM_DECOMPRESSEX);
1087 XX(ICM_DECOMPRESSEX_END);
1088 XX(ICM_SET_STATUS_PROC);
1089 default:
1090 FIXME("(%p,0x%08lx,0x%08lx,0x%08lx) unknown message\n",whic,(DWORD)msg,lParam1,lParam2);
1093 #undef XX
1095 if (whic->driverproc) {
1096 /* dwDriverId parameter is the value returned by the DRV_OPEN */
1097 ret = whic->driverproc(whic->driverId, whic->hdrv, msg, lParam1, lParam2);
1098 } else {
1099 ret = SendDriverMessage(whic->hdrv, msg, lParam1, lParam2);
1102 TRACE(" -> 0x%08lx\n", ret);
1103 return ret;
1106 /***********************************************************************
1107 * ICSendMessage [MSVFW32.@]
1109 LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2)
1111 WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
1113 if (!whic) return ICERR_BADHANDLE;
1114 return MSVIDEO_SendMessage(whic, msg, lParam1, lParam2);
1117 /***********************************************************************
1118 * ICDrawBegin [MSVFW32.@]
1120 DWORD VFWAPIV ICDrawBegin(
1121 HIC hic, /* [in] */
1122 DWORD dwFlags, /* [in] flags */
1123 HPALETTE hpal, /* [in] palette to draw with */
1124 HWND hwnd, /* [in] window to draw to */
1125 HDC hdc, /* [in] HDC to draw to */
1126 INT xDst, /* [in] destination rectangle */
1127 INT yDst, /* [in] */
1128 INT dxDst, /* [in] */
1129 INT dyDst, /* [in] */
1130 LPBITMAPINFOHEADER lpbi, /* [in] format of frame to draw */
1131 INT xSrc, /* [in] source rectangle */
1132 INT ySrc, /* [in] */
1133 INT dxSrc, /* [in] */
1134 INT dySrc, /* [in] */
1135 DWORD dwRate, /* [in] frames/second = (dwRate/dwScale) */
1136 DWORD dwScale) /* [in] */
1139 ICDRAWBEGIN icdb;
1141 TRACE("(%p,%ld,%p,%p,%p,%u,%u,%u,%u,%p,%u,%u,%u,%u,%ld,%ld)\n",
1142 hic, dwFlags, hpal, hwnd, hdc, xDst, yDst, dxDst, dyDst,
1143 lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate, dwScale);
1145 icdb.dwFlags = dwFlags;
1146 icdb.hpal = hpal;
1147 icdb.hwnd = hwnd;
1148 icdb.hdc = hdc;
1149 icdb.xDst = xDst;
1150 icdb.yDst = yDst;
1151 icdb.dxDst = dxDst;
1152 icdb.dyDst = dyDst;
1153 icdb.lpbi = lpbi;
1154 icdb.xSrc = xSrc;
1155 icdb.ySrc = ySrc;
1156 icdb.dxSrc = dxSrc;
1157 icdb.dySrc = dySrc;
1158 icdb.dwRate = dwRate;
1159 icdb.dwScale = dwScale;
1160 return ICSendMessage(hic,ICM_DRAW_BEGIN,(DWORD_PTR)&icdb,sizeof(icdb));
1163 /***********************************************************************
1164 * ICDraw [MSVFW32.@]
1166 DWORD VFWAPIV ICDraw(HIC hic, DWORD dwFlags, LPVOID lpFormat, LPVOID lpData, DWORD cbData, LONG lTime) {
1167 ICDRAW icd;
1169 TRACE("(%p,%ld,%p,%p,%ld,%ld)\n",hic,dwFlags,lpFormat,lpData,cbData,lTime);
1171 icd.dwFlags = dwFlags;
1172 icd.lpFormat = lpFormat;
1173 icd.lpData = lpData;
1174 icd.cbData = cbData;
1175 icd.lTime = lTime;
1177 return ICSendMessage(hic,ICM_DRAW,(DWORD_PTR)&icd,sizeof(icd));
1180 /***********************************************************************
1181 * ICClose [MSVFW32.@]
1183 LRESULT WINAPI ICClose(HIC hic)
1185 WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
1186 WINE_HIC** p;
1188 TRACE("(%p)\n",hic);
1190 if (!whic) return ICERR_BADHANDLE;
1192 if (whic->driverproc)
1194 MSVIDEO_SendMessage(whic, DRV_CLOSE, 0, 0);
1195 MSVIDEO_SendMessage(whic, DRV_DISABLE, 0, 0);
1196 MSVIDEO_SendMessage(whic, DRV_FREE, 0, 0);
1198 else
1200 CloseDriver(whic->hdrv, 0, 0);
1203 /* remove whic from list */
1204 for (p = &MSVIDEO_FirstHic; *p != NULL; p = &((*p)->next))
1206 if ((*p) == whic)
1208 *p = whic->next;
1209 break;
1213 HeapFree(GetProcessHeap(), 0, whic);
1214 return 0;
1219 /***********************************************************************
1220 * ICImageCompress [MSVFW32.@]
1222 HANDLE VFWAPI ICImageCompress(
1223 HIC hic, UINT uiFlags,
1224 LPBITMAPINFO lpbiIn, LPVOID lpBits,
1225 LPBITMAPINFO lpbiOut, LONG lQuality,
1226 LONG* plSize)
1228 FIXME("(%p,%08x,%p,%p,%p,%ld,%p)\n",
1229 hic, uiFlags, lpbiIn, lpBits, lpbiOut, lQuality, plSize);
1231 return NULL;
1234 /***********************************************************************
1235 * ICImageDecompress [MSVFW32.@]
1238 HANDLE VFWAPI ICImageDecompress(
1239 HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
1240 LPVOID lpBits, LPBITMAPINFO lpbiOut)
1242 HGLOBAL hMem = NULL;
1243 BYTE* pMem = NULL;
1244 BOOL bReleaseIC = FALSE;
1245 BYTE* pHdr = NULL;
1246 ULONG cbHdr = 0;
1247 BOOL bSucceeded = FALSE;
1248 BOOL bInDecompress = FALSE;
1249 DWORD biSizeImage;
1251 TRACE("(%p,%08x,%p,%p,%p)\n",
1252 hic, uiFlags, lpbiIn, lpBits, lpbiOut);
1254 if ( hic == NULL )
1256 hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
1257 if ( hic == NULL )
1259 WARN("no handler\n" );
1260 goto err;
1262 bReleaseIC = TRUE;
1264 if ( uiFlags != 0 )
1266 FIXME( "unknown flag %08x\n", uiFlags );
1267 goto err;
1269 if ( lpbiIn == NULL || lpBits == NULL )
1271 WARN("invalid argument\n");
1272 goto err;
1275 if ( lpbiOut != NULL )
1277 if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
1278 goto err;
1279 cbHdr = sizeof(BITMAPINFOHEADER);
1280 if ( lpbiOut->bmiHeader.biCompression == 3 )
1281 cbHdr += sizeof(DWORD)*3;
1282 else
1283 if ( lpbiOut->bmiHeader.biBitCount <= 8 )
1285 if ( lpbiOut->bmiHeader.biClrUsed == 0 )
1286 cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
1287 else
1288 cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
1291 else
1293 TRACE( "get format\n" );
1295 cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
1296 if ( cbHdr < sizeof(BITMAPINFOHEADER) )
1297 goto err;
1298 pHdr = HeapAlloc(GetProcessHeap(),0,cbHdr+sizeof(RGBQUAD)*256);
1299 if ( pHdr == NULL )
1300 goto err;
1301 ZeroMemory( pHdr, cbHdr+sizeof(RGBQUAD)*256 );
1302 if ( ICDecompressGetFormat( hic, lpbiIn, (BITMAPINFO*)pHdr ) != ICERR_OK )
1303 goto err;
1304 lpbiOut = (BITMAPINFO*)pHdr;
1305 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1306 ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
1307 lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
1309 if ( lpbiIn->bmiHeader.biClrUsed == 0 )
1310 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
1311 else
1312 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
1314 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1315 lpbiOut->bmiHeader.biClrUsed == 0 )
1316 lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
1318 lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1319 cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
1322 biSizeImage = lpbiOut->bmiHeader.biSizeImage;
1323 if ( biSizeImage == 0 )
1324 biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
1326 TRACE( "call ICDecompressBegin\n" );
1328 if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
1329 goto err;
1330 bInDecompress = TRUE;
1332 TRACE( "cbHdr %ld, biSizeImage %ld\n", cbHdr, biSizeImage );
1334 hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
1335 if ( hMem == NULL )
1337 WARN( "out of memory\n" );
1338 goto err;
1340 pMem = (BYTE*)GlobalLock( hMem );
1341 if ( pMem == NULL )
1342 goto err;
1343 memcpy( pMem, lpbiOut, cbHdr );
1345 TRACE( "call ICDecompress\n" );
1346 if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
1347 goto err;
1349 bSucceeded = TRUE;
1350 err:
1351 if ( bInDecompress )
1352 ICDecompressEnd( hic );
1353 if ( bReleaseIC )
1354 ICClose(hic);
1355 HeapFree(GetProcessHeap(),0,pHdr);
1356 if ( pMem != NULL )
1357 GlobalUnlock( hMem );
1358 if ( !bSucceeded && hMem != NULL )
1360 GlobalFree(hMem); hMem = NULL;
1363 return (HANDLE)hMem;
1366 /***********************************************************************
1367 * ICSeqCompressFrame [MSVFW32.@]
1369 LPVOID VFWAPI ICSeqCompressFrame(PCOMPVARS pc, UINT uiFlags, LPVOID lpBits, BOOL *pfKey, LONG *plSize)
1371 ICCOMPRESS* icComp = (ICCOMPRESS *)pc->lpState;
1372 DWORD ret;
1373 TRACE("(%p, 0x%08x, %p, %p, %p)\n", pc, uiFlags, lpBits, pfKey, plSize);
1375 if (pc->cbState != sizeof(ICCOMPRESS))
1377 ERR("Invalid cbState (%li should be %i)\n", pc->cbState, sizeof(ICCOMPRESS));
1378 return NULL;
1381 if (!pc->lKeyCount++)
1382 icComp->dwFlags = ICCOMPRESS_KEYFRAME;
1383 else
1385 if (pc->lKey && pc->lKeyCount == (pc->lKey - 1))
1386 /* No key frames if pc->lKey == 0 */
1387 pc->lKeyCount = 0;
1388 icComp->dwFlags = 0;
1391 icComp->lpInput = lpBits;
1392 icComp->lFrameNum = pc->lFrame++;
1393 icComp->lpOutput = pc->lpBitsOut;
1394 icComp->lpPrev = pc->lpBitsPrev;
1395 ret = ICSendMessage(pc->hic, ICM_COMPRESS, (DWORD_PTR)icComp, sizeof(icComp));
1397 if (icComp->dwFlags & AVIIF_KEYFRAME)
1399 pc->lKeyCount = 1;
1400 *pfKey = TRUE;
1401 TRACE("Key frame\n");
1403 else
1404 *pfKey = FALSE;
1406 *plSize = icComp->lpbiOutput->biSizeImage;
1407 TRACE(" -- 0x%08lx\n", ret);
1408 if (ret == ICERR_OK)
1410 LPVOID oldprev, oldout;
1411 /* We shift Prev and Out, so we don't have to allocate and release memory */
1412 oldprev = pc->lpBitsPrev;
1413 oldout = pc->lpBitsOut;
1414 pc->lpBitsPrev = oldout;
1415 pc->lpBitsOut = oldprev;
1417 TRACE("returning: %p\n", icComp->lpOutput);
1418 return icComp->lpOutput;
1420 return NULL;
1423 /***********************************************************************
1424 * ICSeqCompressFrameEnd [MSVFW32.@]
1426 void VFWAPI ICSeqCompressFrameEnd(PCOMPVARS pc)
1428 DWORD ret;
1429 TRACE("(%p)\n", pc);
1430 ret = ICSendMessage(pc->hic, ICM_COMPRESS_END, 0, 0);
1431 TRACE(" -- %lx", ret);
1432 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1433 HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1434 HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1435 HeapFree(GetProcessHeap(), 0, pc->lpState);
1436 pc->lpbiIn = pc->lpBitsPrev = pc->lpBitsOut = pc->lpState = NULL;
1439 /***********************************************************************
1440 * ICSeqCompressFrameStart [MSVFW32.@]
1442 BOOL VFWAPI ICSeqCompressFrameStart(PCOMPVARS pc, LPBITMAPINFO lpbiIn)
1444 /* I'm ignoring bmiColors as I don't know what to do with it,
1445 * it doesn't appear to be used though
1447 DWORD ret;
1448 pc->lpbiIn = HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFO));
1449 if (!pc->lpbiIn)
1450 return FALSE;
1452 memcpy(pc->lpbiIn, lpbiIn, sizeof(BITMAPINFO));
1453 pc->lpBitsPrev = HeapAlloc(GetProcessHeap(), 0, pc->lpbiIn->bmiHeader.biSizeImage);
1454 if (!pc->lpBitsPrev)
1456 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1457 return FALSE;
1460 pc->lpState = HeapAlloc(GetProcessHeap(), 0, sizeof(ICCOMPRESS));
1461 if (!pc->lpState)
1463 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1464 HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1465 return FALSE;
1467 pc->cbState = sizeof(ICCOMPRESS);
1469 pc->lpBitsOut = HeapAlloc(GetProcessHeap(), 0, pc->lpbiOut->bmiHeader.biSizeImage);
1470 if (!pc->lpBitsOut)
1472 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1473 HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1474 HeapFree(GetProcessHeap(), 0, pc->lpState);
1475 return FALSE;
1477 TRACE("Compvars:\n"
1478 "\tpc:\n"
1479 "\tsize: %li\n"
1480 "\tflags: %li\n"
1481 "\thic: %p\n"
1482 "\ttype: %lx\n"
1483 "\thandler: %lx\n"
1484 "\tin/out: %p/%p\n"
1485 "key/data/quality: %li/%li/%li\n",
1486 pc->cbSize, pc->dwFlags, pc->hic, pc->fccType, pc->fccHandler,
1487 pc->lpbiIn, pc->lpbiOut, pc->lKey, pc->lDataRate, pc->lQ);
1489 ret = ICSendMessage(pc->hic, ICM_COMPRESS_BEGIN, (DWORD_PTR)pc->lpbiIn, (DWORD_PTR)pc->lpbiOut);
1490 TRACE(" -- %lx\n", ret);
1491 if (ret == ICERR_OK)
1493 ICCOMPRESS* icComp = (ICCOMPRESS *)pc->lpState;
1494 /* Initialise some variables */
1495 pc->lFrame = 0; pc->lKeyCount = 0;
1497 icComp->lpbiOutput = &pc->lpbiOut->bmiHeader;
1498 icComp->lpbiInput = &pc->lpbiIn->bmiHeader;
1499 icComp->lpckid = NULL;
1500 icComp->dwFrameSize = 0;
1501 icComp->dwQuality = pc->lQ;
1502 icComp->lpbiPrev = &pc->lpbiIn->bmiHeader;
1503 return TRUE;
1505 HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1506 HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1507 HeapFree(GetProcessHeap(), 0, pc->lpState);
1508 HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1509 pc->lpBitsPrev = pc->lpbiIn = pc->lpState = pc->lpBitsOut = NULL;
1510 return FALSE;
1513 /***********************************************************************
1514 * GetFileNamePreview [MSVFW32.@]
1516 static BOOL GetFileNamePreview(LPVOID lpofn,BOOL bSave,BOOL bUnicode)
1518 CHAR szFunctionName[20];
1519 BOOL (*fnGetFileName)(LPVOID);
1520 HMODULE hComdlg32;
1521 BOOL ret;
1523 FIXME("(%p,%d,%d), semi-stub!\n",lpofn,bSave,bUnicode);
1525 lstrcpyA(szFunctionName, (bSave ? "GetSaveFileName" : "GetOpenFileName"));
1526 lstrcatA(szFunctionName, (bUnicode ? "W" : "A"));
1528 hComdlg32 = LoadLibraryA("COMDLG32.DLL");
1529 if (hComdlg32 == NULL)
1530 return FALSE;
1532 fnGetFileName = (LPVOID)GetProcAddress(hComdlg32, szFunctionName);
1533 if (fnGetFileName == NULL)
1534 return FALSE;
1536 /* FIXME: need to add OFN_ENABLEHOOK and our own handler */
1537 ret = fnGetFileName(lpofn);
1539 FreeLibrary(hComdlg32);
1540 return ret;
1543 /***********************************************************************
1544 * GetOpenFileNamePreviewA [MSVFW32.@]
1546 BOOL WINAPI GetOpenFileNamePreviewA(LPOPENFILENAMEA lpofn)
1548 FIXME("(%p), semi-stub!\n", lpofn);
1550 return GetFileNamePreview(lpofn, FALSE, FALSE);
1553 /***********************************************************************
1554 * GetOpenFileNamePreviewW [MSVFW32.@]
1556 BOOL WINAPI GetOpenFileNamePreviewW(LPOPENFILENAMEW lpofn)
1558 FIXME("(%p), semi-stub!\n", lpofn);
1560 return GetFileNamePreview(lpofn, FALSE, TRUE);
1563 /***********************************************************************
1564 * GetSaveFileNamePreviewA [MSVFW32.@]
1566 BOOL WINAPI GetSaveFileNamePreviewA(LPOPENFILENAMEA lpofn)
1568 FIXME("(%p), semi-stub!\n", lpofn);
1570 return GetFileNamePreview(lpofn, TRUE, FALSE);
1573 /***********************************************************************
1574 * GetSaveFileNamePreviewW [MSVFW32.@]
1576 BOOL WINAPI GetSaveFileNamePreviewW(LPOPENFILENAMEW lpofn)
1578 FIXME("(%p), semi-stub!\n", lpofn);
1580 return GetFileNamePreview(lpofn, TRUE, TRUE);