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msxml3: Implement createComment.
[wine.git] / dlls / winemp3.acm / mpegl3.c
blobe960dbe4a2e749a2e32f594271836f73261b8169
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 }
Windows API implementation