rpcrt4: Add some tests for NdrGetBuffer and NdrFreeBuffer.
[wine] / dlls / winemp3.acm / mpegl3.c
1 /*
2  * MPEG Layer 3 handling
3  *
4  *      Copyright (C) 2002              Eric Pouech
5  *
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
22 #include <assert.h>
23 #include <stdarg.h>
24 #include <string.h>
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winuser.h"
29 #include "winnls.h"
30 #include "mmsystem.h"
31 #include "mmreg.h"
32 #include "msacm.h"
33 #include "msacmdrv.h"
34 #include "mpg123.h"
35 #include "mpglib.h"
36
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(mpeg3);
40
41 /***********************************************************************
42  *           MPEG3_drvOpen
43  */
44 static LRESULT MPEG3_drvOpen(LPCSTR str)
45 {
46     return 1;
47 }
48
49 /***********************************************************************
50  *           MPEG3_drvClose
51  */
52 static LRESULT MPEG3_drvClose(DWORD_PTR dwDevID)
53 {
54     return 1;
55 }
56
57 typedef struct tagAcmMpeg3Data
58 {
59     void (*convert)(PACMDRVSTREAMINSTANCE adsi,
60                     const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
61     struct mpstr mp;
62 } AcmMpeg3Data;
63
64 /* table to list all supported formats... those are the basic ones. this
65  * also helps given a unique index to each of the supported formats
66  */
67 typedef struct
68 {
69     int         nChannels;
70     int         nBits;
71     int         rate;
72 } Format;
73
74 static const Format PCM_Formats[] =
75 {
76     {1,  8,  8000}, {2,  8,  8000}, {1, 16,  8000}, {2, 16,  8000},
77     {1,  8, 11025}, {2,  8, 11025}, {1, 16, 11025}, {2, 16, 11025},
78     {1,  8, 22050}, {2,  8, 22050}, {1, 16, 22050}, {2, 16, 22050},
79     {1,  8, 44100}, {2,  8, 44100}, {1, 16, 44100}, {2, 16, 44100},
80     {1,  8, 48000}, {2,  8, 48000}, {1, 16, 48000}, {2, 16, 48000},
81 };
82
83 static const Format MPEG3_Formats[] =
84 {
85     {1,  0,  8000}, {2, 0,  8000},  {1,  0, 11025}, {2,  0, 11025},
86     {1,  0, 22050}, {2, 0, 22050},  {1,  0, 44100}, {2,  0, 44100},
87     {1,  0, 48000}, {2, 0, 48000},
88 };
89
90 #define NUM_PCM_FORMATS         (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
91 #define NUM_MPEG3_FORMATS       (sizeof(MPEG3_Formats) / sizeof(MPEG3_Formats[0]))
92
93 /***********************************************************************
94  *           MPEG3_GetFormatIndex
95  */
96 static  DWORD   MPEG3_GetFormatIndex(LPWAVEFORMATEX wfx)
97 {
98     int         i, hi;
99     const Format *fmts;
100
101     switch (wfx->wFormatTag)
102     {
103     case WAVE_FORMAT_PCM:
104         hi = NUM_PCM_FORMATS;
105         fmts = PCM_Formats;
106         break;
107     case WAVE_FORMAT_MPEGLAYER3:
108         hi = NUM_MPEG3_FORMATS;
109         fmts = MPEG3_Formats;
110         break;
111     default:
112         return 0xFFFFFFFF;
113     }
114
115     for (i = 0; i < hi; i++)
116     {
117         if (wfx->nChannels == fmts[i].nChannels &&
118             wfx->nSamplesPerSec == fmts[i].rate &&
119             wfx->wBitsPerSample == fmts[i].nBits)
120             return i;
121     }
122
123     return 0xFFFFFFFF;
124 }
125
126 static DWORD get_num_buffered_bytes(struct mpstr *mp)
127 {
128     DWORD numBuff = 0;
129     struct buf * p = mp->tail;
130     while (p) {
131         numBuff += p->size - p->pos;
132         p = p->next;
133     }
134     return numBuff;
135 }
136
137 static void mp3_horse(PACMDRVSTREAMINSTANCE adsi,
138                       const unsigned char* src, LPDWORD nsrc,
139                       unsigned char* dst, LPDWORD ndst)
140 {
141     AcmMpeg3Data*       amd = (AcmMpeg3Data*)adsi->dwDriver;
142     int                 size, ret;
143     DWORD               dpos = 0;
144     DWORD               buffered_before;
145     DWORD               buffered_during;
146     DWORD               buffered_after;
147
148     buffered_before = get_num_buffered_bytes(&amd->mp);
149     ret = decodeMP3(&amd->mp, src, *nsrc, dst, *ndst, &size);
150     buffered_during = get_num_buffered_bytes(&amd->mp);
151     if (ret != MP3_OK)
152     {
153         *ndst = *nsrc = 0;
154         return;
155     }
156     do {
157         dpos += size;
158         if (*ndst - dpos < 4608) break;
159         ret = decodeMP3(&amd->mp, NULL, 0,
160                         dst + dpos, *ndst - dpos, &size);
161     } while (ret == MP3_OK);
162     *ndst = dpos;
163
164     buffered_after = get_num_buffered_bytes(&amd->mp);
165     TRACE("before %d put %d during %d after %d\n", buffered_before, *nsrc, buffered_during, buffered_after);
166 }
167
168 /***********************************************************************
169  *           MPEG3_DriverDetails
170  *
171  */
172 static  LRESULT MPEG3_DriverDetails(PACMDRIVERDETAILSW add)
173 {
174     add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
175     add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
176     add->wMid = 0xFF;
177     add->wPid = 0x00;
178     add->vdwACM = 0x01000000;
179     add->vdwDriver = 0x01000000;
180     add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
181     add->cFormatTags = 2; /* PCM, MPEG3 */
182     add->cFilterTags = 0;
183     add->hicon = NULL;
184     MultiByteToWideChar( CP_ACP, 0, "WINE-MPEG3", -1,
185                          add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
186     MultiByteToWideChar( CP_ACP, 0, "Wine MPEG3 decoder", -1,
187                          add->szLongName, sizeof(add->szLongName)/sizeof(WCHAR) );
188     MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team (based on mpglib by Michael Hipp)...", -1,
189                          add->szCopyright, sizeof(add->szCopyright)/sizeof(WCHAR) );
190     MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
191                          add->szLicensing, sizeof(add->szLicensing)/sizeof(WCHAR) );
192     add->szFeatures[0] = 0;
193
194     return MMSYSERR_NOERROR;
195 }
196
197 /***********************************************************************
198  *           MPEG3_FormatTagDetails
199  *
200  */
201 static  LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
202 {
203     static const WCHAR szPcm[]={'P','C','M',0};
204     static const WCHAR szMpeg3[]={'M','P','e','g','3',0};
205
206     switch (dwQuery)
207     {
208     case ACM_FORMATTAGDETAILSF_INDEX:
209         if (aftd->dwFormatTagIndex >= 2) return ACMERR_NOTPOSSIBLE;
210         break;
211     case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
212         if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
213         {
214             aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_MPEGLAYER3 is bigger than PCM */
215             break;
216         }
217         /* fall thru */
218     case ACM_FORMATTAGDETAILSF_FORMATTAG:
219         switch (aftd->dwFormatTag)
220         {
221         case WAVE_FORMAT_PCM:           aftd->dwFormatTagIndex = 0; break;
222         case WAVE_FORMAT_MPEGLAYER3:    aftd->dwFormatTagIndex = 1; break;
223         default:                        return ACMERR_NOTPOSSIBLE;
224         }
225         break;
226     default:
227         WARN("Unsupported query %08x\n", dwQuery);
228         return MMSYSERR_NOTSUPPORTED;
229     }
230
231     aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
232     switch (aftd->dwFormatTagIndex)
233     {
234     case 0:
235         aftd->dwFormatTag = WAVE_FORMAT_PCM;
236         aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
237         aftd->cStandardFormats = NUM_PCM_FORMATS;
238         lstrcpyW(aftd->szFormatTag, szPcm);
239         break;
240     case 1:
241         aftd->dwFormatTag = WAVE_FORMAT_MPEGLAYER3;
242         aftd->cbFormatSize = sizeof(MPEGLAYER3WAVEFORMAT);
243         aftd->cStandardFormats = NUM_MPEG3_FORMATS;
244         lstrcpyW(aftd->szFormatTag, szMpeg3);
245         break;
246     }
247     return MMSYSERR_NOERROR;
248 }
249
250 static void fill_in_wfx(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
251 {
252     MPEGLAYER3WAVEFORMAT*   mp3wfx = (MPEGLAYER3WAVEFORMAT*)wfx;
253
254     wfx->nAvgBytesPerSec = bit_rate / 8;
255     if (cbwfx >= sizeof(WAVEFORMATEX))
256         wfx->cbSize = sizeof(MPEGLAYER3WAVEFORMAT) - sizeof(WAVEFORMATEX);
257     if (cbwfx >= sizeof(MPEGLAYER3WAVEFORMAT))
258     {
259         mp3wfx->wID = MPEGLAYER3_ID_MPEG;
260         mp3wfx->fdwFlags = MPEGLAYER3_FLAG_PADDING_OFF;
261         mp3wfx->nBlockSize = (bit_rate * 144) / wfx->nSamplesPerSec;
262         mp3wfx->nFramesPerBlock = 1;
263         mp3wfx->nCodecDelay = 0x0571;
264     }
265 }
266
267 /***********************************************************************
268  *           MPEG3_FormatDetails
269  *
270  */
271 static  LRESULT MPEG3_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
272 {
273     switch (dwQuery)
274     {
275     case ACM_FORMATDETAILSF_FORMAT:
276         if (MPEG3_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
277         break;
278     case ACM_FORMATDETAILSF_INDEX:
279         afd->pwfx->wFormatTag = afd->dwFormatTag;
280         switch (afd->dwFormatTag)
281         {
282         case WAVE_FORMAT_PCM:
283             if (afd->dwFormatIndex >= NUM_PCM_FORMATS) return ACMERR_NOTPOSSIBLE;
284             afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
285             afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
286             afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
287             /* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
288              * afd->pwfx->cbSize = 0;
289              */
290             afd->pwfx->nBlockAlign =
291                 (afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
292             afd->pwfx->nAvgBytesPerSec =
293                 afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
294             break;
295         case WAVE_FORMAT_MPEGLAYER3:
296             if (afd->dwFormatIndex >= NUM_MPEG3_FORMATS) return ACMERR_NOTPOSSIBLE;
297             afd->pwfx->nChannels = MPEG3_Formats[afd->dwFormatIndex].nChannels;
298             afd->pwfx->nSamplesPerSec = MPEG3_Formats[afd->dwFormatIndex].rate;
299             afd->pwfx->wBitsPerSample = MPEG3_Formats[afd->dwFormatIndex].nBits;
300             afd->pwfx->nBlockAlign = 1;
301             fill_in_wfx(afd->cbwfx, afd->pwfx, 192000);
302             break;
303         default:
304             WARN("Unsupported tag %08x\n", afd->dwFormatTag);
305             return MMSYSERR_INVALPARAM;
306         }
307         break;
308     default:
309         WARN("Unsupported query %08x\n", dwQuery);
310         return MMSYSERR_NOTSUPPORTED;
311     }
312     afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
313     afd->szFormat[0] = 0; /* let MSACM format this for us... */
314
315     return MMSYSERR_NOERROR;
316 }
317
318 /***********************************************************************
319  *           MPEG3_FormatSuggest
320  *
321  */
322 static  LRESULT MPEG3_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
323 {
324     /* some tests ... */
325     if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
326         adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
327         MPEG3_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
328     /* FIXME: should do those tests against the real size (according to format tag */
329
330     /* If no suggestion for destination, then copy source value */
331     if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
332         adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
333     if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
334         adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
335
336     if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
337     {
338         if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
339             adfs->pwfxDst->wBitsPerSample = 4;
340         else
341             adfs->pwfxDst->wBitsPerSample = 16;
342     }
343     if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
344     {
345         if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
346             adfs->pwfxDst->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
347         else
348             adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
349     }
350
351     /* check if result is ok */
352     if (MPEG3_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
353
354     /* recompute other values */
355     switch (adfs->pwfxDst->wFormatTag)
356     {
357     case WAVE_FORMAT_PCM:
358         adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
359         adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
360         break;
361     case WAVE_FORMAT_MPEGLAYER3:
362         adfs->pwfxDst->nBlockAlign = 1;
363         fill_in_wfx(adfs->cbwfxDst, adfs->pwfxDst, 192000);
364         break;
365     default:
366         FIXME("\n");
367         break;
368     }
369
370     return MMSYSERR_NOERROR;
371 }
372
373 /***********************************************************************
374  *           MPEG3_Reset
375  *
376  */
377 static  void    MPEG3_Reset(PACMDRVSTREAMINSTANCE adsi, AcmMpeg3Data* aad)
378 {
379     ExitMP3(&aad->mp);
380     InitMP3(&aad->mp);
381 }
382
383 /***********************************************************************
384  *           MPEG3_StreamOpen
385  *
386  */
387 static  LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
388 {
389     AcmMpeg3Data*       aad;
390
391     assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
392
393     if (MPEG3_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
394         MPEG3_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
395         return ACMERR_NOTPOSSIBLE;
396
397     aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmMpeg3Data));
398     if (aad == 0) return MMSYSERR_NOMEM;
399
400     adsi->dwDriver = (DWORD)aad;
401
402     if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
403         adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
404     {
405         goto theEnd;
406     }
407     else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
408              adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
409     {
410         /* resampling or mono <=> stereo not available
411          * MPEG3 algo only define 16 bit per sample output
412          */
413         if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
414             adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
415             adsi->pwfxDst->wBitsPerSample != 16)
416             goto theEnd;
417         aad->convert = mp3_horse;
418         InitMP3(&aad->mp);
419     }
420     /* no encoding yet
421     else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
422              adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
423     */
424     else goto theEnd;
425     MPEG3_Reset(adsi, aad);
426
427     return MMSYSERR_NOERROR;
428
429  theEnd:
430     HeapFree(GetProcessHeap(), 0, aad);
431     adsi->dwDriver = 0L;
432     return MMSYSERR_NOTSUPPORTED;
433 }
434
435 /***********************************************************************
436  *           MPEG3_StreamClose
437  *
438  */
439 static  LRESULT MPEG3_StreamClose(PACMDRVSTREAMINSTANCE adsi)
440 {
441     ExitMP3(&((AcmMpeg3Data*)adsi->dwDriver)->mp);
442     HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
443     return MMSYSERR_NOERROR;
444 }
445
446 /***********************************************************************
447  *           MPEG3_StreamSize
448  *
449  */
450 static  LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE adss)
451 {
452     switch (adss->fdwSize)
453     {
454     case ACM_STREAMSIZEF_DESTINATION:
455         /* cbDstLength => cbSrcLength */
456         if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
457             adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
458         {
459             /* don't take block overhead into account, doesn't matter too much */
460             adss->cbSrcLength = adss->cbDstLength * 12;
461         }
462         else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
463                  adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
464         {
465             FIXME("misses the block header overhead\n");
466             adss->cbSrcLength = 256 + adss->cbDstLength / 12;
467         }
468         else
469         {
470             return MMSYSERR_NOTSUPPORTED;
471         }
472         break;
473     case ACM_STREAMSIZEF_SOURCE:
474         /* cbSrcLength => cbDstLength */
475         if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
476             adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
477         {
478             FIXME("misses the block header overhead\n");
479             adss->cbDstLength = 256 + adss->cbSrcLength / 12;
480         }
481         else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
482                  adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
483         {
484             /* don't take block overhead into account, doesn't matter too much */
485             adss->cbDstLength = adss->cbSrcLength * 12;
486         }
487         else
488         {
489             return MMSYSERR_NOTSUPPORTED;
490         }
491         break;
492     default:
493         WARN("Unsupported query %08x\n", adss->fdwSize);
494         return MMSYSERR_NOTSUPPORTED;
495     }
496     return MMSYSERR_NOERROR;
497 }
498
499 /***********************************************************************
500  *           MPEG3_StreamConvert
501  *
502  */
503 static LRESULT MPEG3_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
504 {
505     AcmMpeg3Data*       aad = (AcmMpeg3Data*)adsi->dwDriver;
506     DWORD               nsrc = adsh->cbSrcLength;
507     DWORD               ndst = adsh->cbDstLength;
508
509     if (adsh->fdwConvert &
510         ~(ACM_STREAMCONVERTF_BLOCKALIGN|
511           ACM_STREAMCONVERTF_END|
512           ACM_STREAMCONVERTF_START))
513     {
514         FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert);
515     }
516     /* ACM_STREAMCONVERTF_BLOCKALIGN
517      *  currently all conversions are block aligned, so do nothing for this flag
518      * ACM_STREAMCONVERTF_END
519      *  no pending data, so do nothing for this flag
520      */
521     if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
522     {
523         MPEG3_Reset(adsi, aad);
524     }
525
526     aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
527     adsh->cbSrcLengthUsed = nsrc;
528     adsh->cbDstLengthUsed = ndst;
529
530     return MMSYSERR_NOERROR;
531 }
532
533 /**************************************************************************
534  *                      MPEG3_DriverProc                        [exported]
535  */
536 LRESULT CALLBACK MPEG3_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
537                                          LPARAM dwParam1, LPARAM dwParam2)
538 {
539     TRACE("(%08lx %p %04x %08lx %08lx);\n",
540           dwDevID, hDriv, wMsg, dwParam1, dwParam2);
541
542     switch (wMsg)
543     {
544     case DRV_LOAD:              return 1;
545     case DRV_FREE:              return 1;
546     case DRV_OPEN:              return MPEG3_drvOpen((LPSTR)dwParam1);
547     case DRV_CLOSE:             return MPEG3_drvClose(dwDevID);
548     case DRV_ENABLE:            return 1;
549     case DRV_DISABLE:           return 1;
550     case DRV_QUERYCONFIGURE:    return 1;
551     case DRV_CONFIGURE:         MessageBoxA(0, "MPEG3 filter !", "Wine Driver", MB_OK); return 1;
552     case DRV_INSTALL:           return DRVCNF_RESTART;
553     case DRV_REMOVE:            return DRVCNF_RESTART;
554
555     case ACMDM_DRIVER_NOTIFY:
556         /* no caching from other ACM drivers is done so far */
557         return MMSYSERR_NOERROR;
558
559     case ACMDM_DRIVER_DETAILS:
560         return MPEG3_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
561
562     case ACMDM_FORMATTAG_DETAILS:
563         return MPEG3_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
564
565     case ACMDM_FORMAT_DETAILS:
566         return MPEG3_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
567
568     case ACMDM_FORMAT_SUGGEST:
569         return MPEG3_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
570
571     case ACMDM_STREAM_OPEN:
572         return MPEG3_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
573
574     case ACMDM_STREAM_CLOSE:
575         return MPEG3_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
576
577     case ACMDM_STREAM_SIZE:
578         return MPEG3_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
579
580     case ACMDM_STREAM_CONVERT:
581         return MPEG3_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
582
583     case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
584     case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
585         /* this converter is not a hardware driver */
586     case ACMDM_FILTERTAG_DETAILS:
587     case ACMDM_FILTER_DETAILS:
588         /* this converter is not a filter */
589     case ACMDM_STREAM_RESET:
590         /* only needed for asynchronous driver... we aren't, so just say it */
591         return MMSYSERR_NOTSUPPORTED;
592     case ACMDM_STREAM_PREPARE:
593     case ACMDM_STREAM_UNPREPARE:
594         /* nothing special to do here... so don't do anything */
595         return MMSYSERR_NOERROR;
596
597     default:
598         return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
599     }
600 }