riched20: Mark internal symbols with hidden visibility.
[wine] / dlls / msvfw32 / msvideo_main.c
1 /*
2  * Copyright 1998 Marcus Meissner
3  * Copyright 2000 Bradley Baetz
4  * Copyright 2003 Michael Günnewig
5  * Copyright 2005 Dmitry Timoshkov
6  *
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.
11  *
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.
16  *
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
20  *
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.
24  *      
25  * TODO
26  *      - no thread safety
27  */
28
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <string.h>
32
33 #include "windef.h"
34 #include "winbase.h"
35 #include "winreg.h"
36 #include "winnls.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "commdlg.h"
40 #include "vfw.h"
41 #include "msvideo_private.h"
42 #include "wine/debug.h"
43
44 /* Drivers32 settings */
45 #define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
48
49 static inline const char *wine_dbgstr_fcc( DWORD fcc )
50 {
51     return wine_dbg_sprintf("%c%c%c%c", 
52                             LOBYTE(LOWORD(fcc)), HIBYTE(LOWORD(fcc)),
53                             LOBYTE(HIWORD(fcc)), HIBYTE(HIWORD(fcc)));
54 }
55
56 static WINE_HIC*        MSVIDEO_FirstHic /* = NULL */;
57
58 typedef struct _reg_driver reg_driver;
59 struct _reg_driver
60 {
61     DWORD       fccType;
62     DWORD       fccHandler;
63     DRIVERPROC  proc;
64     LPWSTR      name;
65     reg_driver* next;
66 };
67
68 static reg_driver* reg_driver_list = NULL;
69
70 /* This one is a macro such that it works for both ASCII and Unicode */
71 #define fourcc_to_string(str, fcc) do { \
72         (str)[0] = LOBYTE(LOWORD(fcc)); \
73         (str)[1] = HIBYTE(LOWORD(fcc)); \
74         (str)[2] = LOBYTE(HIWORD(fcc)); \
75         (str)[3] = HIBYTE(HIWORD(fcc)); \
76         } while(0)
77
78 HMODULE MSVFW32_hModule;
79
80 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
81 {
82     TRACE("%p,%x,%p\n", hinst, reason, reserved);
83
84     switch(reason)
85     {
86         case DLL_PROCESS_ATTACH:
87             DisableThreadLibraryCalls(hinst);
88             MSVFW32_hModule = hinst;
89             break;
90     }
91     return TRUE;
92 }
93
94 /******************************************************************
95  *              MSVIDEO_SendMessage
96  *
97  *
98  */
99 static LRESULT MSVIDEO_SendMessage(WINE_HIC* whic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2)
100 {
101     LRESULT     ret;
102
103 #define XX(x) case x: TRACE("(%p,"#x",0x%08lx,0x%08lx)\n",whic,lParam1,lParam2); break
104
105     switch (msg) {
106         /* DRV_* */
107         XX(DRV_LOAD);
108         XX(DRV_ENABLE);
109         XX(DRV_OPEN);
110         XX(DRV_CLOSE);
111         XX(DRV_DISABLE);
112         XX(DRV_FREE);
113         /* ICM_RESERVED+X */
114         XX(ICM_ABOUT);
115         XX(ICM_CONFIGURE);
116         XX(ICM_GET);
117         XX(ICM_GETINFO);
118         XX(ICM_GETDEFAULTQUALITY);
119         XX(ICM_GETQUALITY);
120         XX(ICM_GETSTATE);
121         XX(ICM_SETQUALITY);
122         XX(ICM_SET);
123         XX(ICM_SETSTATE);
124         /* ICM_USER+X */
125         XX(ICM_COMPRESS_FRAMES_INFO);
126         XX(ICM_COMPRESS_GET_FORMAT);
127         XX(ICM_COMPRESS_GET_SIZE);
128         XX(ICM_COMPRESS_QUERY);
129         XX(ICM_COMPRESS_BEGIN);
130         XX(ICM_COMPRESS);
131         XX(ICM_COMPRESS_END);
132         XX(ICM_DECOMPRESS_GET_FORMAT);
133         XX(ICM_DECOMPRESS_QUERY);
134         XX(ICM_DECOMPRESS_BEGIN);
135         XX(ICM_DECOMPRESS);
136         XX(ICM_DECOMPRESS_END);
137         XX(ICM_DECOMPRESS_SET_PALETTE);
138         XX(ICM_DECOMPRESS_GET_PALETTE);
139         XX(ICM_DRAW_QUERY);
140         XX(ICM_DRAW_BEGIN);
141         XX(ICM_DRAW_GET_PALETTE);
142         XX(ICM_DRAW_START);
143         XX(ICM_DRAW_STOP);
144         XX(ICM_DRAW_END);
145         XX(ICM_DRAW_GETTIME);
146         XX(ICM_DRAW);
147         XX(ICM_DRAW_WINDOW);
148         XX(ICM_DRAW_SETTIME);
149         XX(ICM_DRAW_REALIZE);
150         XX(ICM_DRAW_FLUSH);
151         XX(ICM_DRAW_RENDERBUFFER);
152         XX(ICM_DRAW_START_PLAY);
153         XX(ICM_DRAW_STOP_PLAY);
154         XX(ICM_DRAW_SUGGESTFORMAT);
155         XX(ICM_DRAW_CHANGEPALETTE);
156         XX(ICM_GETBUFFERSWANTED);
157         XX(ICM_GETDEFAULTKEYFRAMERATE);
158         XX(ICM_DECOMPRESSEX_BEGIN);
159         XX(ICM_DECOMPRESSEX_QUERY);
160         XX(ICM_DECOMPRESSEX);
161         XX(ICM_DECOMPRESSEX_END);
162         XX(ICM_SET_STATUS_PROC);
163     default:
164         FIXME("(%p,0x%08x,0x%08lx,0x%08lx) unknown message\n",whic,msg,lParam1,lParam2);
165     }
166
167 #undef XX
168
169     if (whic->driverproc) {
170         /* dwDriverId parameter is the value returned by the DRV_OPEN */
171         ret = whic->driverproc(whic->driverId, whic->hdrv, msg, lParam1, lParam2);
172     } else {
173         ret = SendDriverMessage(whic->hdrv, msg, lParam1, lParam2);
174     }
175
176     TRACE("     -> 0x%08lx\n", ret);
177     return ret;
178 }
179
180 static int compare_fourcc(DWORD fcc1, DWORD fcc2)
181 {
182   char fcc_str1[4];
183   char fcc_str2[4];
184   fourcc_to_string(fcc_str1, fcc1);
185   fourcc_to_string(fcc_str2, fcc2);
186   return strncasecmp(fcc_str1, fcc_str2, 4);
187 }
188
189 typedef BOOL (*enum_handler_t)(const char*, unsigned int, void*);
190
191 static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
192 {
193     CHAR buf[2048], fccTypeStr[5], *s;
194     DWORD i, cnt = 0, lRet;
195     BOOL result = FALSE;
196     HKEY hKey;
197
198     fourcc_to_string(fccTypeStr, fccType);
199     fccTypeStr[4] = '.';
200
201     /* first, go through the registry entries */
202     lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
203     if (lRet == ERROR_SUCCESS) 
204     {
205         DWORD name, data, type;
206         i = 0;
207         for (;;)
208         {
209             name = 10;
210             data = sizeof buf - name;
211             lRet = RegEnumValueA(hKey, i++, buf, &name, 0, &type, (LPBYTE)(buf+name), &data);
212             if (lRet == ERROR_NO_MORE_ITEMS) break;
213             if (lRet != ERROR_SUCCESS) continue;
214             if (name != 9 || strncasecmp(buf, fccTypeStr, 5)) continue;
215             buf[name] = '=';
216             if ((result = handler(buf, cnt++, param))) break;
217         }
218         RegCloseKey( hKey );
219     }
220     if (result) return result;
221
222     /* if that didn't work, go through the values in system.ini */
223     if (GetPrivateProfileSectionA("drivers32", buf, sizeof(buf), "system.ini")) 
224     {
225         for (s = buf; *s; s += strlen(s) + 1)
226         {
227             TRACE("got %s\n", s);
228             if (strncasecmp(s, fccTypeStr, 5) || s[9] != '=') continue;
229             if ((result = handler(s, cnt++, param))) break;
230         }
231     }
232
233     return result;
234 }
235
236 /******************************************************************
237  *              MSVIDEO_GetHicPtr
238  *
239  *
240  */
241 static WINE_HIC*   MSVIDEO_GetHicPtr(HIC hic)
242 {
243     WINE_HIC*   whic;
244
245     for (whic = MSVIDEO_FirstHic; whic && whic->hic != hic; whic = whic->next);
246     return whic;
247 }
248
249 /***********************************************************************
250  *              VideoForWindowsVersion          [MSVFW32.2]
251  *              VideoForWindowsVersion          [MSVIDEO.2]
252  * Returns the version in major.minor form.
253  * In Windows95 this returns 0x040003b6 (4.950)
254  */
255 DWORD WINAPI VideoForWindowsVersion(void) 
256 {
257     return 0x040003B6; /* 4.950 */
258 }
259
260 static BOOL ICInfo_enum_handler(const char *drv, unsigned int nr, void *param)
261 {
262     ICINFO *lpicinfo = param;
263     DWORD fccHandler = mmioStringToFOURCCA(drv + 5, 0);
264
265     /* exact match of fccHandler or nth driver found */
266     if ((lpicinfo->fccHandler != nr) && (lpicinfo->fccHandler != fccHandler))
267         return FALSE;
268
269     lpicinfo->fccHandler = fccHandler;
270     lpicinfo->dwFlags = 0;
271     lpicinfo->dwVersion = 0;
272     lpicinfo->dwVersionICM = ICVERSION;
273     lpicinfo->szName[0] = 0;
274     lpicinfo->szDescription[0] = 0;
275     MultiByteToWideChar(CP_ACP, 0, drv + 10, -1, lpicinfo->szDriver, 
276                         sizeof(lpicinfo->szDriver)/sizeof(WCHAR));
277
278     return TRUE;
279 }
280
281 /***********************************************************************
282  *              ICInfo                          [MSVFW32.@]
283  * Get information about an installable compressor. Return TRUE if there
284  * is one.
285  *
286  * PARAMS
287  *   fccType     [I] type of compressor (e.g. 'vidc')
288  *   fccHandler  [I] real fcc for handler or <n>th compressor
289  *   lpicinfo    [O] information about compressor
290  */
291 BOOL VFWAPI ICInfo( DWORD fccType, DWORD fccHandler, ICINFO *lpicinfo)
292 {
293     TRACE("(%s,%s/%08x,%p)\n",
294           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), fccHandler, lpicinfo);
295
296     lpicinfo->fccType = fccType;
297     lpicinfo->fccHandler = fccHandler;
298     return enum_drivers(fccType, ICInfo_enum_handler, lpicinfo);
299 }
300
301 static DWORD IC_HandleRef = 1;
302
303 /***********************************************************************
304  *              ICInstall                       [MSVFW32.@]
305  */
306 BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags) 
307 {
308     reg_driver* driver;
309     unsigned len;
310
311     TRACE("(%s,%s,%p,%p,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), (void*)lParam, szDesc, wFlags);
312
313     /* Check if a driver is already registered */
314     for (driver = reg_driver_list; driver; driver = driver->next)
315     {
316         if (!compare_fourcc(fccType, driver->fccType) &&
317             !compare_fourcc(fccHandler, driver->fccHandler))
318             break;
319     }
320     if (driver) return FALSE;
321
322     /* Register the driver */
323     driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(reg_driver));
324     if (!driver) goto oom;
325     driver->fccType = fccType;
326     driver->fccHandler = fccHandler;
327
328     switch(wFlags)
329     {
330     case ICINSTALL_FUNCTION:
331         driver->proc = (DRIVERPROC)lParam;
332         driver->name = NULL;
333         break;
334     case ICINSTALL_DRIVER:
335         driver->proc = NULL;
336         len = MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, NULL, 0);
337         driver->name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
338         if (!driver->name) goto oom;
339         MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, driver->name, len);
340         break;
341     default:
342         ERR("Invalid flags!\n");
343         HeapFree(GetProcessHeap(), 0, driver);
344         return FALSE;
345    }
346
347    /* Insert our driver in the list*/
348    driver->next = reg_driver_list;
349    reg_driver_list = driver;
350     
351    return TRUE;
352 oom:
353    HeapFree(GetProcessHeap(), 0, driver);
354    return FALSE;
355 }
356
357 /***********************************************************************
358  *              ICRemove                        [MSVFW32.@]
359  */
360 BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags) 
361 {
362     reg_driver** pdriver;
363     reg_driver*  drv;
364
365     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wFlags);
366
367     /* Check if a driver is already registered */
368     for (pdriver = &reg_driver_list; *pdriver; pdriver = &(*pdriver)->next)
369     {
370         if (!compare_fourcc(fccType, (*pdriver)->fccType) &&
371             !compare_fourcc(fccHandler, (*pdriver)->fccHandler))
372             break;
373     }
374     if (!*pdriver)
375         return FALSE;
376
377     /* Remove the driver from the list */
378     drv = *pdriver;
379     *pdriver = (*pdriver)->next;
380     HeapFree(GetProcessHeap(), 0, drv->name);
381     HeapFree(GetProcessHeap(), 0, drv);
382     
383     return TRUE;  
384 }
385
386
387 /***********************************************************************
388  *              ICOpen                          [MSVFW32.@]
389  * Opens an installable compressor. Return special handle.
390  */
391 HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode) 
392 {
393     WCHAR               codecname[10];
394     ICOPEN              icopen;
395     HDRVR               hdrv;
396     WINE_HIC*           whic;
397     static const WCHAR  drv32W[] = {'d','r','i','v','e','r','s','3','2','\0'};
398     reg_driver*         driver;
399
400     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode);
401
402     /* Check if there is a registered driver that matches */
403     driver = reg_driver_list;
404     while(driver)
405         if (!compare_fourcc(fccType, driver->fccType) &&
406             !compare_fourcc(fccHandler, driver->fccHandler))
407             break;
408         else
409             driver = driver->next;
410
411     if (driver && driver->proc)
412         /* The driver has been registered at runtime with its driverproc */
413         return ICOpenFunction(fccType, fccHandler, wMode, driver->proc);
414   
415     /* Well, lParam2 is in fact a LPVIDEO_OPEN_PARMS, but it has the
416      * same layout as ICOPEN
417      */
418     icopen.dwSize               = sizeof(ICOPEN);
419     icopen.fccType              = fccType;
420     icopen.fccHandler           = fccHandler;
421     icopen.dwVersion            = 0x00001000; /* FIXME */
422     icopen.dwFlags              = wMode;
423     icopen.dwError              = 0;
424     icopen.pV1Reserved          = NULL;
425     icopen.pV2Reserved          = NULL;
426     icopen.dnDevNode            = 0; /* FIXME */
427         
428     if (!driver) {
429         /* The driver is registered in the registry */
430         fourcc_to_string(codecname, fccType);
431         codecname[4] = '.';
432         fourcc_to_string(codecname + 5, fccHandler);
433         codecname[9] = '\0';
434
435         hdrv = OpenDriver(codecname, drv32W, (LPARAM)&icopen);
436         if (!hdrv) 
437             return 0;
438     } else {
439         /* The driver has been registered at runtime with its name */
440         hdrv = OpenDriver(driver->name, NULL, (LPARAM)&icopen);
441         if (!hdrv) 
442             return 0; 
443     }
444
445     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
446     if (!whic)
447     {
448         CloseDriver(hdrv, 0, 0);
449         return FALSE;
450     }
451     whic->hdrv          = hdrv;
452     whic->driverproc    = NULL;
453     whic->type          = fccType;
454     whic->handler       = fccHandler;
455     while (MSVIDEO_GetHicPtr((HIC)(ULONG_PTR)IC_HandleRef) != NULL) IC_HandleRef++;
456     whic->hic           = (HIC)(ULONG_PTR)IC_HandleRef++;
457     whic->next          = MSVIDEO_FirstHic;
458     MSVIDEO_FirstHic = whic;
459
460     TRACE("=> %p\n", whic->hic);
461     return whic->hic;
462 }
463
464 /***********************************************************************
465  *              ICOpenFunction                  [MSVFW32.@]
466  */
467 HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, DRIVERPROC lpfnHandler)
468 {
469     ICOPEN      icopen;
470     WINE_HIC*   whic;
471
472     TRACE("(%s,%s,%d,%p)\n",
473           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode, lpfnHandler);
474
475     icopen.dwSize               = sizeof(ICOPEN);
476     icopen.fccType              = fccType;
477     icopen.fccHandler           = fccHandler;
478     icopen.dwVersion            = ICVERSION;
479     icopen.dwFlags              = wMode;
480     icopen.dwError              = 0;
481     icopen.pV1Reserved          = NULL;
482     icopen.pV2Reserved          = NULL;
483     icopen.dnDevNode            = 0; /* FIXME */
484
485     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
486     if (!whic) return 0;
487
488     whic->driverproc   = lpfnHandler;
489     while (MSVIDEO_GetHicPtr((HIC)(ULONG_PTR)IC_HandleRef) != NULL) IC_HandleRef++;
490     whic->hic          = (HIC)(ULONG_PTR)IC_HandleRef++;
491     whic->next         = MSVIDEO_FirstHic;
492     MSVIDEO_FirstHic = whic;
493
494     /* Now try opening/loading the driver. Taken from DRIVER_AddToList */
495     /* What if the function is used more than once? */
496
497     if (MSVIDEO_SendMessage(whic, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) 
498     {
499         WARN("DRV_LOAD failed for hic %p\n", whic->hic);
500         MSVIDEO_FirstHic = whic->next;
501         HeapFree(GetProcessHeap(), 0, whic);
502         return 0;
503     }
504     /* return value is not checked */
505     MSVIDEO_SendMessage(whic, DRV_ENABLE, 0L, 0L);
506
507     whic->driverId = (DWORD)MSVIDEO_SendMessage(whic, DRV_OPEN, 0, (DWORD_PTR)&icopen);
508     /* FIXME: What should we put here? */
509     whic->hdrv = NULL;
510     
511     if (whic->driverId == 0) 
512     {
513         WARN("DRV_OPEN failed for hic %p\n", whic->hic);
514         MSVIDEO_FirstHic = whic->next;
515         HeapFree(GetProcessHeap(), 0, whic);
516         return 0;
517     }
518
519     TRACE("=> %p\n", whic->hic);
520     return whic->hic;
521 }
522
523 /***********************************************************************
524  *              ICGetInfo                       [MSVFW32.@]
525  */
526 LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO *picinfo, DWORD cb) 
527 {
528     LRESULT     ret;
529     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
530
531     TRACE("(%p,%p,%d)\n", hic, picinfo, cb);
532
533     if (!whic) return ICERR_BADHANDLE;
534     if (!picinfo) return MMSYSERR_INVALPARAM;
535
536     /* (WS) The field szDriver should be initialized because the driver 
537      * is not obliged and often will not do it. Some applications, like
538      * VirtualDub, rely on this field and will occasionally crash if it
539      * goes uninitialized.
540      */
541     if (cb >= sizeof(ICINFO)) picinfo->szDriver[0] = '\0';
542
543     ret = ICSendMessage(hic, ICM_GETINFO, (DWORD_PTR)picinfo, cb);
544
545     /* (WS) When szDriver was not supplied by the driver itself, apparently 
546      * Windows will set its value equal to the driver file name. This can
547      * be obtained from the registry as we do here.
548      */
549     if (cb >= sizeof(ICINFO) && picinfo->szDriver[0] == 0)
550     {
551         ICINFO  ii;
552
553         memset(&ii, 0, sizeof(ii));
554         ii.dwSize = sizeof(ii);
555         ICInfo(picinfo->fccType, picinfo->fccHandler, &ii);
556         lstrcpyW(picinfo->szDriver, ii.szDriver);
557     }
558
559     TRACE("     -> 0x%08lx\n", ret);
560     return ret;
561 }
562
563 typedef struct {
564     DWORD fccType;
565     DWORD fccHandler;
566     LPBITMAPINFOHEADER lpbiIn;
567     LPBITMAPINFOHEADER lpbiOut;
568     WORD wMode;
569     DWORD querymsg;
570     HIC hic;
571 } driver_info_t;
572
573 static HIC try_driver(driver_info_t *info)
574 {
575     HIC   hic;
576
577     if ((hic = ICOpen(info->fccType, info->fccHandler, info->wMode))) 
578     {
579         if (!ICSendMessage(hic, info->querymsg, (DWORD_PTR)info->lpbiIn, (DWORD_PTR)info->lpbiOut))
580             return hic;
581         ICClose(hic);
582     }
583     return 0;
584 }
585
586 static BOOL ICLocate_enum_handler(const char *drv, unsigned int nr, void *param)
587 {
588     driver_info_t *info = param;
589     info->fccHandler = mmioStringToFOURCCA(drv + 5, 0);
590     info->hic = try_driver(info);
591     return info->hic != 0;
592 }
593
594 /***********************************************************************
595  *              ICLocate                        [MSVFW32.@]
596  */
597 HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
598                     LPBITMAPINFOHEADER lpbiOut, WORD wMode)
599 {
600     driver_info_t info;
601
602     TRACE("(%s,%s,%p,%p,0x%04x)\n", 
603           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
604
605     info.fccType = fccType;
606     info.fccHandler = fccHandler;
607     info.lpbiIn = lpbiIn;
608     info.lpbiOut = lpbiOut;
609     info.wMode = wMode;
610
611     switch (wMode) 
612     {
613     case ICMODE_FASTCOMPRESS:
614     case ICMODE_COMPRESS:
615         info.querymsg = ICM_COMPRESS_QUERY;
616         break;
617     case ICMODE_FASTDECOMPRESS:
618     case ICMODE_DECOMPRESS:
619         info.querymsg = ICM_DECOMPRESS_QUERY;
620         break;
621     case ICMODE_DRAW:
622         info.querymsg = ICM_DRAW_QUERY;
623         break;
624     default:
625         WARN("Unknown mode (%d)\n", wMode);
626         return 0;
627     }
628
629     /* Easy case: handler/type match, we just fire a query and return */
630     info.hic = try_driver(&info);
631     /* If it didn't work, try each driver in turn. 32 bit codecs only. */
632     /* FIXME: Move this to an init routine? */
633     if (!info.hic) enum_drivers(fccType, ICLocate_enum_handler, &info);
634
635     if (info.hic) 
636     {
637         TRACE("=> %p\n", info.hic);
638         return info.hic;
639     }
640
641     if (fccType == streamtypeVIDEO) 
642         return ICLocate(ICTYPE_VIDEO, fccHandler, lpbiIn, lpbiOut, wMode);
643     
644     WARN("(%s,%s,%p,%p,0x%04x) not found!\n",
645          wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
646     return 0;
647 }
648
649 /***********************************************************************
650  *              ICGetDisplayFormat                      [MSVFW32.@]
651  */
652 HIC VFWAPI ICGetDisplayFormat(
653         HIC hic,LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut,
654         INT depth,INT dx,INT dy)
655 {
656         HIC     tmphic = hic;
657
658         TRACE("(%p,%p,%p,%d,%d,%d)!\n",hic,lpbiIn,lpbiOut,depth,dx,dy);
659
660         if (!tmphic) {
661                 tmphic=ICLocate(ICTYPE_VIDEO,0,lpbiIn,NULL,ICMODE_DECOMPRESS);
662                 if (!tmphic)
663                         return tmphic;
664         }
665         if ((dy == lpbiIn->biHeight) && (dx == lpbiIn->biWidth))
666                 dy = dx = 0; /* no resize needed */
667
668         /* Can we decompress it ? */
669         if (ICDecompressQuery(tmphic,lpbiIn,NULL) != 0)
670                 goto errout; /* no, sorry */
671
672         ICSendMessage(tmphic, ICM_DECOMPRESS_GET_FORMAT, (DWORD_PTR)lpbiIn, (DWORD_PTR)lpbiOut);
673
674         if (lpbiOut->biCompression != 0) {
675            FIXME("Ooch, how come decompressor outputs compressed data (%d)??\n",
676                          lpbiOut->biCompression);
677         }
678         if (lpbiOut->biSize < sizeof(*lpbiOut)) {
679            FIXME("Ooch, size of output BIH is too small (%d)\n",
680                          lpbiOut->biSize);
681            lpbiOut->biSize = sizeof(*lpbiOut);
682         }
683         if (!depth) {
684                 HDC     hdc;
685
686                 hdc = GetDC(0);
687                 depth = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
688                 ReleaseDC(0,hdc);
689                 if (depth==15)  depth = 16;
690                 if (depth<8)    depth =  8;
691         }
692         if (lpbiIn->biBitCount == 8)
693                 depth = 8;
694
695         TRACE("=> %p\n", tmphic);
696         return tmphic;
697 errout:
698         if (hic!=tmphic)
699                 ICClose(tmphic);
700
701         TRACE("=> 0\n");
702         return 0;
703 }
704
705 /***********************************************************************
706  *              ICCompress                      [MSVFW32.@]
707  */
708 DWORD VFWAPIV
709 ICCompress(
710         HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiOutput,LPVOID lpData,
711         LPBITMAPINFOHEADER lpbiInput,LPVOID lpBits,LPDWORD lpckid,
712         LPDWORD lpdwFlags,LONG lFrameNum,DWORD dwFrameSize,DWORD dwQuality,
713         LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev)
714 {
715         ICCOMPRESS      iccmp;
716
717         TRACE("(%p,%d,%p,%p,%p,%p,...)\n",hic,dwFlags,lpbiOutput,lpData,lpbiInput,lpBits);
718
719         iccmp.dwFlags           = dwFlags;
720
721         iccmp.lpbiOutput        = lpbiOutput;
722         iccmp.lpOutput          = lpData;
723         iccmp.lpbiInput         = lpbiInput;
724         iccmp.lpInput           = lpBits;
725
726         iccmp.lpckid            = lpckid;
727         iccmp.lpdwFlags         = lpdwFlags;
728         iccmp.lFrameNum         = lFrameNum;
729         iccmp.dwFrameSize       = dwFrameSize;
730         iccmp.dwQuality         = dwQuality;
731         iccmp.lpbiPrev          = lpbiPrev;
732         iccmp.lpPrev            = lpPrev;
733         return ICSendMessage(hic,ICM_COMPRESS,(DWORD_PTR)&iccmp,sizeof(iccmp));
734 }
735
736 /***********************************************************************
737  *              ICDecompress                    [MSVFW32.@]
738  */
739 DWORD VFWAPIV  ICDecompress(HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiFormat,
740                                 LPVOID lpData,LPBITMAPINFOHEADER lpbi,LPVOID lpBits)
741 {
742         ICDECOMPRESS    icd;
743         DWORD ret;
744
745         TRACE("(%p,%d,%p,%p,%p,%p)\n",hic,dwFlags,lpbiFormat,lpData,lpbi,lpBits);
746
747         icd.dwFlags     = dwFlags;
748         icd.lpbiInput   = lpbiFormat;
749         icd.lpInput     = lpData;
750
751         icd.lpbiOutput  = lpbi;
752         icd.lpOutput    = lpBits;
753         icd.ckid        = 0;
754         ret = ICSendMessage(hic,ICM_DECOMPRESS,(DWORD_PTR)&icd,sizeof(ICDECOMPRESS));
755
756         TRACE("-> %d\n",ret);
757
758         return ret;
759 }
760
761
762 struct choose_compressor
763 {
764     UINT flags;
765     LPCSTR title;
766     COMPVARS cv;
767 };
768
769 struct codec_info
770 {
771     HIC hic;
772     ICINFO icinfo;
773 };
774
775 static BOOL enum_compressors(HWND list, COMPVARS *pcv, BOOL enum_all)
776 {
777     UINT id, total = 0;
778     ICINFO icinfo;
779
780     id = 0;
781
782     while (ICInfo(pcv->fccType, id, &icinfo))
783     {
784         struct codec_info *ic;
785         DWORD idx;
786         HIC hic;
787
788         id++;
789
790         hic = ICOpen(icinfo.fccType, icinfo.fccHandler, ICMODE_COMPRESS);
791
792         if (hic)
793         {
794             /* for unknown reason fccHandler reported by the driver
795              * doesn't always work, use the one returned by ICInfo instead.
796              */
797             DWORD fccHandler = icinfo.fccHandler;
798
799             if (!enum_all && pcv->lpbiIn)
800             {
801                 if (ICCompressQuery(hic, pcv->lpbiIn, NULL) != ICERR_OK)
802                 {
803                     TRACE("fccHandler %s doesn't support input DIB format %d\n",
804                           wine_dbgstr_fcc(icinfo.fccHandler), pcv->lpbiIn->bmiHeader.biCompression);
805                     ICClose(hic);
806                     continue;
807                 }
808             }
809
810             ICGetInfo(hic, &icinfo, sizeof(icinfo));
811             icinfo.fccHandler = fccHandler;
812
813             idx = SendMessageW(list, CB_ADDSTRING, 0, (LPARAM)icinfo.szDescription);
814
815             ic = HeapAlloc(GetProcessHeap(), 0, sizeof(struct codec_info));
816             ic->icinfo = icinfo;
817             ic->hic = hic;
818             SendMessageW(list, CB_SETITEMDATA, idx, (LPARAM)ic);
819         }
820         total++;
821     }
822
823     return total != 0;
824 }
825
826 static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARAM wparam, LPARAM lparam)
827 {
828     switch (msg)
829     {
830     case WM_INITDIALOG:
831     {
832         struct codec_info *ic;
833         WCHAR buf[128];
834         struct choose_compressor *choose_comp = (struct choose_compressor *)lparam;
835
836         SetWindowLongPtrW(hdlg, DWLP_USER, lparam);
837
838         /* FIXME */
839         choose_comp->flags &= ~(ICMF_CHOOSE_DATARATE | ICMF_CHOOSE_KEYFRAME);
840
841         if (choose_comp->title)
842             SetWindowTextA(hdlg, choose_comp->title);
843
844         if (!(choose_comp->flags & ICMF_CHOOSE_DATARATE))
845         {
846             ShowWindow(GetDlgItem(hdlg, IDC_DATARATE_CHECKBOX), SW_HIDE);
847             ShowWindow(GetDlgItem(hdlg, IDC_DATARATE), SW_HIDE);
848             ShowWindow(GetDlgItem(hdlg, IDC_DATARATE_KB), SW_HIDE);
849         }
850
851         if (!(choose_comp->flags & ICMF_CHOOSE_KEYFRAME))
852         {
853             ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME_CHECKBOX), SW_HIDE);
854             ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME), SW_HIDE);
855             ShowWindow(GetDlgItem(hdlg, IDC_KEYFRAME_FRAMES), SW_HIDE);
856         }
857
858         /* FIXME */
859         EnableWindow(GetDlgItem(hdlg, IDC_QUALITY_SCROLL), FALSE);
860         EnableWindow(GetDlgItem(hdlg, IDC_QUALITY_TXT), FALSE);
861
862         /*if (!(choose_comp->flags & ICMF_CHOOSE_PREVIEW))
863             ShowWindow(GetDlgItem(hdlg, IDC_PREVIEW), SW_HIDE);*/
864
865         LoadStringW(MSVFW32_hModule, IDS_FULLFRAMES, buf, 128);
866         SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_ADDSTRING, 0, (LPARAM)buf);
867
868         ic = HeapAlloc(GetProcessHeap(), 0, sizeof(struct codec_info));
869         ic->icinfo.fccType = streamtypeVIDEO;
870         ic->icinfo.fccHandler = comptypeDIB;
871         ic->hic = 0;
872         SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_SETITEMDATA, 0, (LPARAM)ic);
873
874         enum_compressors(GetDlgItem(hdlg, IDC_COMP_LIST), &choose_comp->cv, choose_comp->flags & ICMF_CHOOSE_ALLCOMPRESSORS);
875
876         SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_SETCURSEL, 0, 0);
877         SetFocus(GetDlgItem(hdlg, IDC_COMP_LIST));
878
879         SetWindowLongPtrW(hdlg, DWLP_USER, (ULONG_PTR)choose_comp);
880         break;
881     }
882
883     case WM_COMMAND:
884         switch (LOWORD(wparam))
885         {
886         case IDC_COMP_LIST:
887         {
888             INT cur_sel;
889             struct codec_info *ic;
890             BOOL can_configure = FALSE, can_about = FALSE;
891             struct choose_compressor *choose_comp;
892
893             if (HIWORD(wparam) != CBN_SELCHANGE && HIWORD(wparam) != CBN_SETFOCUS)
894                 break;
895
896             choose_comp = (struct choose_compressor *)GetWindowLongPtrW(hdlg, DWLP_USER);
897
898             cur_sel = SendMessageW((HWND)lparam, CB_GETCURSEL, 0, 0);
899
900             ic = (struct codec_info *)SendMessageW((HWND)lparam, CB_GETITEMDATA, cur_sel, 0);
901             if (ic && ic->hic)
902             {
903                 if (ICQueryConfigure(ic->hic) == DRVCNF_OK)
904                     can_configure = TRUE;
905                 if (ICQueryAbout(ic->hic) == DRVCNF_OK)
906                     can_about = TRUE;
907             }
908             EnableWindow(GetDlgItem(hdlg, IDC_CONFIGURE), can_configure);
909             EnableWindow(GetDlgItem(hdlg, IDC_ABOUT), can_about);
910
911             if (choose_comp->flags & ICMF_CHOOSE_DATARATE)
912             {
913                 /* FIXME */
914             }
915             if (choose_comp->flags & ICMF_CHOOSE_KEYFRAME)
916             {
917                 /* FIXME */
918             }
919
920             break;
921         }
922
923         case IDC_CONFIGURE:
924         case IDC_ABOUT:
925         {
926             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
927             INT cur_sel;
928             struct codec_info *ic;
929
930             if (HIWORD(wparam) != BN_CLICKED)
931                 break;
932
933             cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
934
935             ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
936             if (ic && ic->hic)
937             {
938                 if (LOWORD(wparam) == IDC_CONFIGURE)
939                     ICConfigure(ic->hic, hdlg);
940                 else
941                     ICAbout(ic->hic, hdlg);
942             }
943
944             break;
945         }
946
947         case IDOK:
948         {
949             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
950             INT cur_sel;
951             struct codec_info *ic;
952
953             if (HIWORD(wparam) != BN_CLICKED)
954                 break;
955
956             cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
957             ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
958             if (ic)
959             {
960                 struct choose_compressor *choose_comp = (struct choose_compressor *)GetWindowLongPtrW(hdlg, DWLP_USER);
961
962                 choose_comp->cv.hic = ic->hic;
963                 choose_comp->cv.fccType = ic->icinfo.fccType;
964                 choose_comp->cv.fccHandler = ic->icinfo.fccHandler;
965                 /* FIXME: fill everything else */
966
967                 /* prevent closing the codec handle below */
968                 ic->hic = 0;
969             }
970         }
971         /* fall through */
972         case IDCANCEL:
973         {
974             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
975             INT idx = 0;
976
977             if (HIWORD(wparam) != BN_CLICKED)
978                 break;
979
980             while (1)
981             {
982                 struct codec_info *ic;
983     
984                 ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, idx++, 0);
985
986                 if (!ic || (LONG_PTR)ic == CB_ERR) break;
987
988                 if (ic->hic) ICClose(ic->hic);
989                 HeapFree(GetProcessHeap(), 0, ic);
990             }
991
992             EndDialog(hdlg, LOWORD(wparam) == IDOK);
993             break;
994         }
995
996         default:
997             break;
998         }
999         break;
1000
1001     default:
1002         break;
1003     }
1004
1005     return FALSE;
1006 }
1007
1008 /***********************************************************************
1009  *              ICCompressorChoose   [MSVFW32.@]
1010  */
1011 BOOL VFWAPI ICCompressorChoose(HWND hwnd, UINT uiFlags, LPVOID pvIn,
1012                                LPVOID lpData, PCOMPVARS pc, LPSTR lpszTitle)
1013 {
1014     struct choose_compressor choose_comp;
1015     BOOL ret;
1016
1017     TRACE("(%p,%08x,%p,%p,%p,%s)\n", hwnd, uiFlags, pvIn, lpData, pc, lpszTitle);
1018
1019     if (!pc || pc->cbSize != sizeof(COMPVARS))
1020         return FALSE;
1021
1022     if (!(pc->dwFlags & ICMF_COMPVARS_VALID))
1023     {
1024         pc->dwFlags   = 0;
1025         pc->fccType   = pc->fccHandler = 0;
1026         pc->hic       = NULL;
1027         pc->lpbiIn    = NULL;
1028         pc->lpbiOut   = NULL;
1029         pc->lpBitsOut = pc->lpBitsPrev = pc->lpState = NULL;
1030         pc->lQ        = ICQUALITY_DEFAULT;
1031         pc->lKey      = -1;
1032         pc->lDataRate = 300; /* kB */
1033         pc->lpState   = NULL;
1034         pc->cbState   = 0;
1035     }
1036     if (pc->fccType == 0)
1037         pc->fccType = ICTYPE_VIDEO;
1038
1039     choose_comp.cv = *pc;
1040     choose_comp.flags = uiFlags;
1041     choose_comp.title = lpszTitle;
1042
1043     ret = DialogBoxParamW(MSVFW32_hModule, MAKEINTRESOURCEW(ICM_CHOOSE_COMPRESSOR), hwnd,
1044                           icm_choose_compressor_dlgproc, (LPARAM)&choose_comp);
1045
1046     if (ret)
1047     {
1048         *pc = choose_comp.cv;
1049         pc->dwFlags |= ICMF_COMPVARS_VALID;
1050     }
1051
1052     return ret;
1053 }
1054
1055
1056 /***********************************************************************
1057  *              ICCompressorFree   [MSVFW32.@]
1058  */
1059 void VFWAPI ICCompressorFree(PCOMPVARS pc)
1060 {
1061   TRACE("(%p)\n",pc);
1062
1063   if (pc != NULL && pc->cbSize == sizeof(COMPVARS)) {
1064     if (pc->hic != NULL) {
1065       ICClose(pc->hic);
1066       pc->hic = NULL;
1067     }
1068     HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1069     pc->lpbiIn = NULL;
1070     HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1071     pc->lpBitsOut = NULL;
1072     HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1073     pc->lpBitsPrev = NULL;
1074     HeapFree(GetProcessHeap(), 0, pc->lpState);
1075     pc->lpState = NULL;
1076     pc->dwFlags = 0;
1077   }
1078 }
1079
1080 /***********************************************************************
1081  *              ICSendMessage                   [MSVFW32.@]
1082  */
1083 LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2) 
1084 {
1085     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
1086
1087     if (!whic) return ICERR_BADHANDLE;
1088     return MSVIDEO_SendMessage(whic, msg, lParam1, lParam2);
1089 }
1090
1091 /***********************************************************************
1092  *              ICDrawBegin             [MSVFW32.@]
1093  */
1094 DWORD VFWAPIV ICDrawBegin(
1095         HIC                hic,     /* [in] */
1096         DWORD              dwFlags, /* [in] flags */
1097         HPALETTE           hpal,    /* [in] palette to draw with */
1098         HWND               hwnd,    /* [in] window to draw to */
1099         HDC                hdc,     /* [in] HDC to draw to */
1100         INT                xDst,    /* [in] destination rectangle */
1101         INT                yDst,    /* [in] */
1102         INT                dxDst,   /* [in] */
1103         INT                dyDst,   /* [in] */
1104         LPBITMAPINFOHEADER lpbi,    /* [in] format of frame to draw */
1105         INT                xSrc,    /* [in] source rectangle */
1106         INT                ySrc,    /* [in] */
1107         INT                dxSrc,   /* [in] */
1108         INT                dySrc,   /* [in] */
1109         DWORD              dwRate,  /* [in] frames/second = (dwRate/dwScale) */
1110         DWORD              dwScale) /* [in] */
1111 {
1112
1113         ICDRAWBEGIN     icdb;
1114
1115         TRACE("(%p,%d,%p,%p,%p,%u,%u,%u,%u,%p,%u,%u,%u,%u,%d,%d)\n",
1116                   hic, dwFlags, hpal, hwnd, hdc, xDst, yDst, dxDst, dyDst,
1117                   lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate, dwScale);
1118
1119         icdb.dwFlags = dwFlags;
1120         icdb.hpal = hpal;
1121         icdb.hwnd = hwnd;
1122         icdb.hdc = hdc;
1123         icdb.xDst = xDst;
1124         icdb.yDst = yDst;
1125         icdb.dxDst = dxDst;
1126         icdb.dyDst = dyDst;
1127         icdb.lpbi = lpbi;
1128         icdb.xSrc = xSrc;
1129         icdb.ySrc = ySrc;
1130         icdb.dxSrc = dxSrc;
1131         icdb.dySrc = dySrc;
1132         icdb.dwRate = dwRate;
1133         icdb.dwScale = dwScale;
1134         return ICSendMessage(hic,ICM_DRAW_BEGIN,(DWORD_PTR)&icdb,sizeof(icdb));
1135 }
1136
1137 /***********************************************************************
1138  *              ICDraw                  [MSVFW32.@]
1139  */
1140 DWORD VFWAPIV ICDraw(HIC hic, DWORD dwFlags, LPVOID lpFormat, LPVOID lpData, DWORD cbData, LONG lTime) {
1141         ICDRAW  icd;
1142
1143         TRACE("(%p,%d,%p,%p,%d,%d)\n",hic,dwFlags,lpFormat,lpData,cbData,lTime);
1144
1145         icd.dwFlags = dwFlags;
1146         icd.lpFormat = lpFormat;
1147         icd.lpData = lpData;
1148         icd.cbData = cbData;
1149         icd.lTime = lTime;
1150
1151         return ICSendMessage(hic,ICM_DRAW,(DWORD_PTR)&icd,sizeof(icd));
1152 }
1153
1154 /***********************************************************************
1155  *              ICClose                 [MSVFW32.@]
1156  */
1157 LRESULT WINAPI ICClose(HIC hic)
1158 {
1159     WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
1160     WINE_HIC** p;
1161
1162     TRACE("(%p)\n",hic);
1163
1164     if (!whic) return ICERR_BADHANDLE;
1165
1166     if (whic->driverproc) 
1167     {
1168         MSVIDEO_SendMessage(whic, DRV_CLOSE, 0, 0);
1169         MSVIDEO_SendMessage(whic, DRV_DISABLE, 0, 0);
1170         MSVIDEO_SendMessage(whic, DRV_FREE, 0, 0);
1171     }
1172     else
1173     {
1174         CloseDriver(whic->hdrv, 0, 0);
1175     }
1176
1177     /* remove whic from list */
1178     for (p = &MSVIDEO_FirstHic; *p != NULL; p = &((*p)->next))
1179     {
1180         if ((*p) == whic)
1181         {
1182             *p = whic->next;
1183             break;
1184         }
1185     }
1186
1187     HeapFree(GetProcessHeap(), 0, whic);
1188     return 0;
1189 }
1190
1191
1192
1193 /***********************************************************************
1194  *              ICImageCompress [MSVFW32.@]
1195  */
1196 HANDLE VFWAPI ICImageCompress(
1197         HIC hic, UINT uiFlags,
1198         LPBITMAPINFO lpbiIn, LPVOID lpBits,
1199         LPBITMAPINFO lpbiOut, LONG lQuality,
1200         LONG* plSize)
1201 {
1202         FIXME("(%p,%08x,%p,%p,%p,%d,%p)\n",
1203                 hic, uiFlags, lpbiIn, lpBits, lpbiOut, lQuality, plSize);
1204
1205         return NULL;
1206 }
1207
1208 /***********************************************************************
1209  *              ICImageDecompress       [MSVFW32.@]
1210  */
1211
1212 HANDLE VFWAPI ICImageDecompress(
1213         HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
1214         LPVOID lpBits, LPBITMAPINFO lpbiOut)
1215 {
1216         HGLOBAL hMem = NULL;
1217         BYTE*   pMem = NULL;
1218         BOOL    bReleaseIC = FALSE;
1219         BYTE*   pHdr = NULL;
1220         ULONG   cbHdr = 0;
1221         BOOL    bSucceeded = FALSE;
1222         BOOL    bInDecompress = FALSE;
1223         DWORD   biSizeImage;
1224
1225         TRACE("(%p,%08x,%p,%p,%p)\n",
1226                 hic, uiFlags, lpbiIn, lpBits, lpbiOut);
1227
1228         if ( hic == NULL )
1229         {
1230                 hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
1231                 if ( hic == NULL )
1232                 {
1233                         WARN("no handler\n" );
1234                         goto err;
1235                 }
1236                 bReleaseIC = TRUE;
1237         }
1238         if ( uiFlags != 0 )
1239         {
1240                 FIXME( "unknown flag %08x\n", uiFlags );
1241                 goto err;
1242         }
1243         if ( lpbiIn == NULL || lpBits == NULL )
1244         {
1245                 WARN("invalid argument\n");
1246                 goto err;
1247         }
1248
1249         if ( lpbiOut != NULL )
1250         {
1251                 if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
1252                         goto err;
1253                 cbHdr = sizeof(BITMAPINFOHEADER);
1254                 if ( lpbiOut->bmiHeader.biCompression == 3 )
1255                         cbHdr += sizeof(DWORD)*3;
1256                 else
1257                 if ( lpbiOut->bmiHeader.biBitCount <= 8 )
1258                 {
1259                         if ( lpbiOut->bmiHeader.biClrUsed == 0 )
1260                                 cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
1261                         else
1262                                 cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
1263                 }
1264         }
1265         else
1266         {
1267                 TRACE( "get format\n" );
1268
1269                 cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
1270                 if ( cbHdr < sizeof(BITMAPINFOHEADER) )
1271                         goto err;
1272                 pHdr = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,cbHdr+sizeof(RGBQUAD)*256);
1273                 if ( pHdr == NULL )
1274                         goto err;
1275                 if ( ICDecompressGetFormat( hic, lpbiIn, pHdr ) != ICERR_OK )
1276                         goto err;
1277                 lpbiOut = (BITMAPINFO*)pHdr;
1278                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1279                          ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
1280                          lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
1281                 {
1282                         if ( lpbiIn->bmiHeader.biClrUsed == 0 )
1283                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
1284                         else
1285                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
1286                 }
1287                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1288                          lpbiOut->bmiHeader.biClrUsed == 0 )
1289                         lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
1290
1291                 lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1292                 cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
1293         }
1294
1295         biSizeImage = lpbiOut->bmiHeader.biSizeImage;
1296         if ( biSizeImage == 0 )
1297                 biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
1298
1299         TRACE( "call ICDecompressBegin\n" );
1300
1301         if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
1302                 goto err;
1303         bInDecompress = TRUE;
1304
1305         TRACE( "cbHdr %d, biSizeImage %d\n", cbHdr, biSizeImage );
1306
1307         hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
1308         if ( hMem == NULL )
1309         {
1310                 WARN( "out of memory\n" );
1311                 goto err;
1312         }
1313         pMem = GlobalLock( hMem );
1314         if ( pMem == NULL )
1315                 goto err;
1316         memcpy( pMem, lpbiOut, cbHdr );
1317
1318         TRACE( "call ICDecompress\n" );
1319         if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
1320                 goto err;
1321
1322         bSucceeded = TRUE;
1323 err:
1324         if ( bInDecompress )
1325                 ICDecompressEnd( hic );
1326         if ( bReleaseIC )
1327                 ICClose(hic);
1328         HeapFree(GetProcessHeap(),0,pHdr);
1329         if ( pMem != NULL )
1330                 GlobalUnlock( hMem );
1331         if ( !bSucceeded && hMem != NULL )
1332         {
1333                 GlobalFree(hMem); hMem = NULL;
1334         }
1335
1336         return hMem;
1337 }
1338
1339 /***********************************************************************
1340  *      ICSeqCompressFrame   [MSVFW32.@]
1341  */
1342 LPVOID VFWAPI ICSeqCompressFrame(PCOMPVARS pc, UINT uiFlags, LPVOID lpBits, BOOL *pfKey, LONG *plSize)
1343 {
1344     ICCOMPRESS* icComp = pc->lpState;
1345     DWORD ret;
1346     TRACE("(%p, 0x%08x, %p, %p, %p)\n", pc, uiFlags, lpBits, pfKey, plSize);
1347
1348     if (pc->cbState != sizeof(ICCOMPRESS))
1349     {
1350        ERR("Invalid cbState %i\n", pc->cbState);
1351        return NULL;
1352     }
1353
1354     if (!pc->lKeyCount++)
1355        icComp->dwFlags = ICCOMPRESS_KEYFRAME;
1356     else
1357     {
1358         if (pc->lKey && pc->lKeyCount == (pc->lKey - 1))
1359         /* No key frames if pc->lKey == 0 */
1360            pc->lKeyCount = 0;
1361         icComp->dwFlags = 0;
1362     }
1363
1364     icComp->lpInput = lpBits;
1365     icComp->lFrameNum = pc->lFrame++;
1366     icComp->lpOutput = pc->lpBitsOut;
1367     icComp->lpPrev = pc->lpBitsPrev;
1368     ret = ICSendMessage(pc->hic, ICM_COMPRESS, (DWORD_PTR)icComp, sizeof(icComp));
1369
1370     if (icComp->dwFlags & AVIIF_KEYFRAME)
1371     {
1372        pc->lKeyCount = 1;
1373        *pfKey = TRUE;
1374        TRACE("Key frame\n");
1375     }
1376     else
1377        *pfKey = FALSE;
1378
1379     *plSize = icComp->lpbiOutput->biSizeImage;
1380     TRACE(" -- 0x%08x\n", ret);
1381     if (ret == ICERR_OK)
1382     {
1383        LPVOID oldprev, oldout;
1384 /* We shift Prev and Out, so we don't have to allocate and release memory */
1385        oldprev = pc->lpBitsPrev;
1386        oldout = pc->lpBitsOut;
1387        pc->lpBitsPrev = oldout;
1388        pc->lpBitsOut = oldprev;
1389
1390        TRACE("returning: %p\n", icComp->lpOutput);
1391        return icComp->lpOutput;
1392     }
1393     return NULL;
1394 }
1395
1396 /***********************************************************************
1397  *      ICSeqCompressFrameEnd   [MSVFW32.@]
1398  */
1399 void VFWAPI ICSeqCompressFrameEnd(PCOMPVARS pc)
1400 {
1401     DWORD ret;
1402     TRACE("(%p)\n", pc);
1403     ret = ICSendMessage(pc->hic, ICM_COMPRESS_END, 0, 0);
1404     TRACE(" -- %x\n", ret);
1405     HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1406     HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1407     HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1408     HeapFree(GetProcessHeap(), 0, pc->lpState);
1409     pc->lpbiIn = pc->lpBitsPrev = pc->lpBitsOut = pc->lpState = NULL;
1410 }
1411
1412 /***********************************************************************
1413  *      ICSeqCompressFrameStart [MSVFW32.@]
1414  */
1415 BOOL VFWAPI ICSeqCompressFrameStart(PCOMPVARS pc, LPBITMAPINFO lpbiIn)
1416 {
1417     /* I'm ignoring bmiColors as I don't know what to do with it,
1418      * it doesn't appear to be used though
1419      */
1420     DWORD ret;
1421     pc->lpbiIn = HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFO));
1422     if (!pc->lpbiIn)
1423         return FALSE;
1424
1425     *pc->lpbiIn = *lpbiIn;
1426     pc->lpBitsPrev = HeapAlloc(GetProcessHeap(), 0, pc->lpbiIn->bmiHeader.biSizeImage);
1427     if (!pc->lpBitsPrev)
1428     {
1429         HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1430         return FALSE;
1431     }
1432
1433     pc->lpState = HeapAlloc(GetProcessHeap(), 0, sizeof(ICCOMPRESS));
1434     if (!pc->lpState)
1435     {
1436        HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1437        HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1438        return FALSE;
1439     }
1440     pc->cbState = sizeof(ICCOMPRESS);
1441
1442     pc->lpBitsOut = HeapAlloc(GetProcessHeap(), 0, pc->lpbiOut->bmiHeader.biSizeImage);
1443     if (!pc->lpBitsOut)
1444     {
1445        HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1446        HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1447        HeapFree(GetProcessHeap(), 0, pc->lpState);
1448        return FALSE;
1449     }
1450     TRACE("Compvars:\n"
1451           "\tpc:\n"
1452           "\tsize: %i\n"
1453           "\tflags: %i\n"
1454           "\thic: %p\n"
1455           "\ttype: %x\n"
1456           "\thandler: %x\n"
1457           "\tin/out: %p/%p\n"
1458           "key/data/quality: %i/%i/%i\n",
1459              pc->cbSize, pc->dwFlags, pc->hic, pc->fccType, pc->fccHandler,
1460              pc->lpbiIn, pc->lpbiOut, pc->lKey, pc->lDataRate, pc->lQ);
1461
1462     ret = ICSendMessage(pc->hic, ICM_COMPRESS_BEGIN, (DWORD_PTR)pc->lpbiIn, (DWORD_PTR)pc->lpbiOut);
1463     TRACE(" -- %x\n", ret);
1464     if (ret == ICERR_OK)
1465     {
1466        ICCOMPRESS* icComp = pc->lpState;
1467        /* Initialise some variables */
1468        pc->lFrame = 0; pc->lKeyCount = 0;
1469
1470        icComp->lpbiOutput = &pc->lpbiOut->bmiHeader;
1471        icComp->lpbiInput = &pc->lpbiIn->bmiHeader;
1472        icComp->lpckid = NULL;
1473        icComp->dwFrameSize = 0;
1474        icComp->dwQuality = pc->lQ;
1475        icComp->lpbiPrev = &pc->lpbiIn->bmiHeader;
1476        return TRUE;
1477     }
1478     HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1479     HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1480     HeapFree(GetProcessHeap(), 0, pc->lpState);
1481     HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1482     pc->lpBitsPrev = pc->lpbiIn = pc->lpState = pc->lpBitsOut = NULL;
1483     return FALSE;
1484 }
1485
1486 /***********************************************************************
1487  *      GetFileNamePreview   [MSVFW32.@]
1488  */
1489 static BOOL GetFileNamePreview(LPVOID lpofn,BOOL bSave,BOOL bUnicode)
1490 {
1491   CHAR    szFunctionName[20];
1492   BOOL    (*fnGetFileName)(LPVOID);
1493   HMODULE hComdlg32;
1494   BOOL    ret;
1495
1496   FIXME("(%p,%d,%d), semi-stub!\n",lpofn,bSave,bUnicode);
1497
1498   lstrcpyA(szFunctionName, (bSave ? "GetSaveFileName" : "GetOpenFileName"));
1499   lstrcatA(szFunctionName, (bUnicode ? "W" : "A"));
1500
1501   hComdlg32 = LoadLibraryA("COMDLG32.DLL");
1502   if (hComdlg32 == NULL)
1503     return FALSE;
1504
1505   fnGetFileName = (LPVOID)GetProcAddress(hComdlg32, szFunctionName);
1506   if (fnGetFileName == NULL)
1507     return FALSE;
1508
1509   /* FIXME: need to add OFN_ENABLEHOOK and our own handler */
1510   ret = fnGetFileName(lpofn);
1511
1512   FreeLibrary(hComdlg32);
1513   return ret;
1514 }
1515
1516 /***********************************************************************
1517  *              GetOpenFileNamePreviewA [MSVFW32.@]
1518  */
1519 BOOL WINAPI GetOpenFileNamePreviewA(LPOPENFILENAMEA lpofn)
1520 {
1521   FIXME("(%p), semi-stub!\n", lpofn);
1522
1523   return GetFileNamePreview(lpofn, FALSE, FALSE);
1524 }
1525
1526 /***********************************************************************
1527  *              GetOpenFileNamePreviewW [MSVFW32.@]
1528  */
1529 BOOL WINAPI GetOpenFileNamePreviewW(LPOPENFILENAMEW lpofn)
1530 {
1531   FIXME("(%p), semi-stub!\n", lpofn);
1532
1533   return GetFileNamePreview(lpofn, FALSE, TRUE);
1534 }
1535
1536 /***********************************************************************
1537  *              GetSaveFileNamePreviewA [MSVFW32.@]
1538  */
1539 BOOL WINAPI GetSaveFileNamePreviewA(LPOPENFILENAMEA lpofn)
1540 {
1541   FIXME("(%p), semi-stub!\n", lpofn);
1542
1543   return GetFileNamePreview(lpofn, TRUE, FALSE);
1544 }
1545
1546 /***********************************************************************
1547  *              GetSaveFileNamePreviewW [MSVFW32.@]
1548  */
1549 BOOL WINAPI GetSaveFileNamePreviewW(LPOPENFILENAMEW lpofn)
1550 {
1551   FIXME("(%p), semi-stub!\n", lpofn);
1552
1553   return GetFileNamePreview(lpofn, TRUE, TRUE);
1554 }