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rpcrt4: Implement RpcServerRegisterAuthInfoA/W.
[wine/multimedia.git] / dlls / winemp3.acm / mpegl3.c
blob2d291cf68bb5a45a228805f611a46b3cb58dd207
1 /*
2 * MPEG Layer 3 handling
3 *
4 * Copyright (C) 2002 Eric Pouech
5 * Copyright (C) 2009 CodeWeavers, Aric Stewart
6 *
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <assert.h>
27 #include <stdarg.h>
28 #include <string.h>
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "winnls.h"
34 #include "mmsystem.h"
35 #include "mmreg.h"
36 #include "msacm.h"
37 #include "msacmdrv.h"
38
39 #ifdef HAVE_MPG123_H
40 #include <mpg123.h>
41 #endif
42
43 #include "wine/debug.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(mpeg3);
46
47 /***********************************************************************
48 * MPEG3_drvOpen
49 */
50 static LRESULT MPEG3_drvOpen(LPCSTR str)
51 {
52 mpg123_init();
53 return 1;
54 }
55
56 /***********************************************************************
57 * MPEG3_drvClose
58 */
59 static LRESULT MPEG3_drvClose(DWORD_PTR dwDevID)
60 {
61 mpg123_exit();
62 return 1;
63 }
64
65 typedef struct tagAcmMpeg3Data
66 {
67 void (*convert)(PACMDRVSTREAMINSTANCE adsi,
68 const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
69 mpg123_handle *mh;
70 } AcmMpeg3Data;
71
72 /* table to list all supported formats... those are the basic ones. this
73 * also helps given a unique index to each of the supported formats
74 */
75 typedef struct
76 {
77 int nChannels;
78 int nBits;
79 int rate;
80 } Format;
81
82 static const Format PCM_Formats[] =
83 {
84 {1, 8, 8000}, {2, 8, 8000}, {1, 16, 8000}, {2, 16, 8000},
85 {1, 8, 11025}, {2, 8, 11025}, {1, 16, 11025}, {2, 16, 11025},
86 {1, 8, 12000}, {2, 8, 12000}, {1, 16, 12000}, {2, 16, 12000},
87 {1, 8, 16000}, {2, 8, 16000}, {1, 16, 16000}, {2, 16, 16000},
88 {1, 8, 22050}, {2, 8, 22050}, {1, 16, 22050}, {2, 16, 22050},
89 {1, 8, 24000}, {2, 8, 24000}, {1, 16, 24000}, {2, 16, 24000},
90 {1, 8, 32000}, {2, 8, 32000}, {1, 16, 32000}, {2, 16, 32000},
91 {1, 8, 44100}, {2, 8, 44100}, {1, 16, 44100}, {2, 16, 44100},
92 {1, 8, 48000}, {2, 8, 48000}, {1, 16, 48000}, {2, 16, 48000}
93 };
94
95 static const Format MPEG3_Formats[] =
96 {
97 {1, 0, 8000}, {2, 0, 8000},
98 {1, 0, 11025}, {2, 0, 11025},
99 {1, 0, 12000}, {2, 0, 12000},
100 {1, 0, 16000}, {2, 0, 16000},
101 {1, 0, 22050}, {2, 0, 22050},
102 {1, 0, 24000}, {2, 0, 24000},
103 {1, 0, 32000}, {2, 0, 32000},
104 {1, 0, 44100}, {2, 0, 44100},
105 {1, 0, 48000}, {2, 0, 48000}
106 };
107
108 #define NUM_PCM_FORMATS (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
109 #define NUM_MPEG3_FORMATS (sizeof(MPEG3_Formats) / sizeof(MPEG3_Formats[0]))
110
111 /***********************************************************************
112 * MPEG3_GetFormatIndex
113 */
114 static DWORD MPEG3_GetFormatIndex(LPWAVEFORMATEX wfx)
115 {
116 int i, hi;
117 const Format *fmts;
118
119 switch (wfx->wFormatTag)
120 {
121 case WAVE_FORMAT_PCM:
122 hi = NUM_PCM_FORMATS;
123 fmts = PCM_Formats;
124 break;
125 case WAVE_FORMAT_MPEGLAYER3:
126 hi = NUM_MPEG3_FORMATS;
127 fmts = MPEG3_Formats;
128 break;
129 default:
130 return 0xFFFFFFFF;
131 }
132
133 for (i = 0; i < hi; i++)
134 {
135 if (wfx->nChannels == fmts[i].nChannels &&
136 wfx->nSamplesPerSec == fmts[i].rate &&
137 (wfx->wBitsPerSample == fmts[i].nBits || !fmts[i].nBits))
138 return i;
139 }
140
141 return 0xFFFFFFFF;
142 }
143
144 static void mp3_horse(PACMDRVSTREAMINSTANCE adsi,
145 const unsigned char* src, LPDWORD nsrc,
146 unsigned char* dst, LPDWORD ndst)
147 {
148 AcmMpeg3Data* amd = (AcmMpeg3Data*)adsi->dwDriver;
149 int ret;
150 size_t size;
151 DWORD dpos = 0;
152
153
154 if (*nsrc > 0)
155 {
156 ret = mpg123_feed(amd->mh, src, *nsrc);
157 if (ret != MPG123_OK)
158 {
159 ERR("Error feeding data\n");
160 *ndst = *nsrc = 0;
161 return;
162 }
163 }
164
165 do {
166 size = 0;
167 ret = mpg123_read(amd->mh, dst + dpos, *ndst - dpos, &size);
168 if (ret == MPG123_ERR)
169 {
170 FIXME("Error occurred during decoding!\n");
171 *ndst = *nsrc = 0;
172 return;
173 }
174
175 if (ret == MPG123_NEW_FORMAT)
176 {
177 if TRACE_ON(mpeg3)
178 {
179 long rate;
180 int channels, enc;
181 mpg123_getformat(amd->mh, &rate, &channels, &enc);
182 TRACE("New format: %li Hz, %i channels, encoding value %i\n", rate, channels, enc);
183 }
184 }
185 dpos += size;
186 } while (ret == MPG123_OK);
187 *ndst = dpos;
188 }
189
190 /***********************************************************************
191 * MPEG3_DriverDetails
192 *
193 */
194 static LRESULT MPEG3_DriverDetails(PACMDRIVERDETAILSW add)
195 {
196 add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
197 add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
198 add->wMid = 0xFF;
199 add->wPid = 0x00;
200 add->vdwACM = 0x01000000;
201 add->vdwDriver = 0x01000000;
202 add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
203 add->cFormatTags = 2; /* PCM, MPEG3 */
204 add->cFilterTags = 0;
205 add->hicon = NULL;
206 MultiByteToWideChar( CP_ACP, 0, "WINE-MPEG3", -1,
207 add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
208 MultiByteToWideChar( CP_ACP, 0, "Wine MPEG3 decoder", -1,
209 add->szLongName, sizeof(add->szLongName)/sizeof(WCHAR) );
210 MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
211 add->szCopyright, sizeof(add->szCopyright)/sizeof(WCHAR) );
212 MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
213 add->szLicensing, sizeof(add->szLicensing)/sizeof(WCHAR) );
214 add->szFeatures[0] = 0;
215
216 return MMSYSERR_NOERROR;
217 }
218
219 /***********************************************************************
220 * MPEG3_FormatTagDetails
221 *
222 */
223 static LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
224 {
225 static const WCHAR szPcm[]={'P','C','M',0};
226 static const WCHAR szMpeg3[]={'M','P','e','g','3',0};
227
228 switch (dwQuery)
229 {
230 case ACM_FORMATTAGDETAILSF_INDEX:
231 if (aftd->dwFormatTagIndex >= 2) return ACMERR_NOTPOSSIBLE;
232 break;
233 case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
234 if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
235 {
236 aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_MPEGLAYER3 is bigger than PCM */
237 break;
238 }
239 /* fall thru */
240 case ACM_FORMATTAGDETAILSF_FORMATTAG:
241 switch (aftd->dwFormatTag)
242 {
243 case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break;
244 case WAVE_FORMAT_MPEGLAYER3: aftd->dwFormatTagIndex = 1; break;
245 default: return ACMERR_NOTPOSSIBLE;
246 }
247 break;
248 default:
249 WARN("Unsupported query %08x\n", dwQuery);
250 return MMSYSERR_NOTSUPPORTED;
251 }
252
253 aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
254 switch (aftd->dwFormatTagIndex)
255 {
256 case 0:
257 aftd->dwFormatTag = WAVE_FORMAT_PCM;
258 aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
259 aftd->cStandardFormats = NUM_PCM_FORMATS;
260 lstrcpyW(aftd->szFormatTag, szPcm);
261 break;
262 case 1:
263 aftd->dwFormatTag = WAVE_FORMAT_MPEGLAYER3;
264 aftd->cbFormatSize = sizeof(MPEGLAYER3WAVEFORMAT);
265 aftd->cStandardFormats = NUM_MPEG3_FORMATS;
266 lstrcpyW(aftd->szFormatTag, szMpeg3);
267 break;
268 }
269 return MMSYSERR_NOERROR;
270 }
271
272 static void fill_in_wfx(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
273 {
274 MPEGLAYER3WAVEFORMAT* mp3wfx = (MPEGLAYER3WAVEFORMAT*)wfx;
275
276 wfx->nAvgBytesPerSec = bit_rate / 8;
277 if (cbwfx >= sizeof(WAVEFORMATEX))
278 wfx->cbSize = sizeof(MPEGLAYER3WAVEFORMAT) - sizeof(WAVEFORMATEX);
279 if (cbwfx >= sizeof(MPEGLAYER3WAVEFORMAT))
280 {
281 mp3wfx->wID = MPEGLAYER3_ID_MPEG;
282 mp3wfx->fdwFlags = MPEGLAYER3_FLAG_PADDING_OFF;
283 mp3wfx->nBlockSize = (bit_rate * 144) / wfx->nSamplesPerSec;
284 mp3wfx->nFramesPerBlock = 1;
285 mp3wfx->nCodecDelay = 0x0571;
286 }
287 }
288
289 /***********************************************************************
290 * MPEG3_FormatDetails
291 *
292 */
293 static LRESULT MPEG3_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
294 {
295 switch (dwQuery)
296 {
297 case ACM_FORMATDETAILSF_FORMAT:
298 if (MPEG3_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
299 break;
300 case ACM_FORMATDETAILSF_INDEX:
301 afd->pwfx->wFormatTag = afd->dwFormatTag;
302 switch (afd->dwFormatTag)
303 {
304 case WAVE_FORMAT_PCM:
305 if (afd->dwFormatIndex >= NUM_PCM_FORMATS) return ACMERR_NOTPOSSIBLE;
306 afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
307 afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
308 afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
309 /* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
310 * afd->pwfx->cbSize = 0;
311 */
312 afd->pwfx->nBlockAlign =
313 (afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
314 afd->pwfx->nAvgBytesPerSec =
315 afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
316 break;
317 case WAVE_FORMAT_MPEGLAYER3:
318 if (afd->dwFormatIndex >= NUM_MPEG3_FORMATS) return ACMERR_NOTPOSSIBLE;
319 afd->pwfx->nChannels = MPEG3_Formats[afd->dwFormatIndex].nChannels;
320 afd->pwfx->nSamplesPerSec = MPEG3_Formats[afd->dwFormatIndex].rate;
321 afd->pwfx->wBitsPerSample = MPEG3_Formats[afd->dwFormatIndex].nBits;
322 afd->pwfx->nBlockAlign = 1;
323 fill_in_wfx(afd->cbwfx, afd->pwfx, 192000);
324 break;
325 default:
326 WARN("Unsupported tag %08x\n", afd->dwFormatTag);
327 return MMSYSERR_INVALPARAM;
328 }
329 break;
330 default:
331 WARN("Unsupported query %08x\n", dwQuery);
332 return MMSYSERR_NOTSUPPORTED;
333 }
334 afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
335 afd->szFormat[0] = 0; /* let MSACM format this for us... */
336
337 return MMSYSERR_NOERROR;
338 }
339
340 /***********************************************************************
341 * MPEG3_FormatSuggest
342 *
343 */
344 static LRESULT MPEG3_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
345 {
346 /* some tests ... */
347 if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
348 adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
349 MPEG3_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
350 /* FIXME: should do those tests against the real size (according to format tag */
351
352 /* If no suggestion for destination, then copy source value */
353 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
354 adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
355 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
356 adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
357
358 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
359 {
360 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
361 adfs->pwfxDst->wBitsPerSample = 4;
362 else
363 adfs->pwfxDst->wBitsPerSample = 16;
364 }
365 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
366 {
367 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
368 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
369 else
370 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
371 }
372
373 /* check if result is ok */
374 if (MPEG3_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
375
376 /* recompute other values */
377 switch (adfs->pwfxDst->wFormatTag)
378 {
379 case WAVE_FORMAT_PCM:
380 adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
381 adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
382 break;
383 case WAVE_FORMAT_MPEGLAYER3:
384 adfs->pwfxDst->nBlockAlign = 1;
385 fill_in_wfx(adfs->cbwfxDst, adfs->pwfxDst, 192000);
386 break;
387 default:
388 FIXME("\n");
389 break;
390 }
391
392 return MMSYSERR_NOERROR;
393 }
394
395 /***********************************************************************
396 * MPEG3_Reset
397 *
398 */
399 static void MPEG3_Reset(PACMDRVSTREAMINSTANCE adsi, AcmMpeg3Data* aad)
400 {
401 mpg123_feedseek(aad->mh, 0, SEEK_SET, NULL);
402 mpg123_close(aad->mh);
403 mpg123_open_feed(aad->mh);
404 }
405
406 /***********************************************************************
407 * MPEG3_StreamOpen
408 *
409 */
410 static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
411 {
412 AcmMpeg3Data* aad;
413 int err;
414
415 assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
416
417 if (MPEG3_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
418 MPEG3_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
419 return ACMERR_NOTPOSSIBLE;
420
421 aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmMpeg3Data));
422 if (aad == 0) return MMSYSERR_NOMEM;
423
424 adsi->dwDriver = (DWORD_PTR)aad;
425
426 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
427 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
428 {
429 goto theEnd;
430 }
431 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
432 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
433 {
434 /* resampling or mono <=> stereo not available
435 * MPEG3 algo only define 16 bit per sample output
436 */
437 if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
438 adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
439 adsi->pwfxDst->wBitsPerSample != 16)
440 goto theEnd;
441 aad->convert = mp3_horse;
442 aad->mh = mpg123_new(NULL,&err);
443 mpg123_open_feed(aad->mh);
444 }
445 /* no encoding yet
446 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
447 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
448 */
449 else goto theEnd;
450 MPEG3_Reset(adsi, aad);
451
452 return MMSYSERR_NOERROR;
453
454 theEnd:
455 HeapFree(GetProcessHeap(), 0, aad);
456 adsi->dwDriver = 0L;
457 return MMSYSERR_NOTSUPPORTED;
458 }
459
460 /***********************************************************************
461 * MPEG3_StreamClose
462 *
463 */
464 static LRESULT MPEG3_StreamClose(PACMDRVSTREAMINSTANCE adsi)
465 {
466 mpg123_close(((AcmMpeg3Data*)adsi->dwDriver)->mh);
467 mpg123_delete(((AcmMpeg3Data*)adsi->dwDriver)->mh);
468 HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
469 return MMSYSERR_NOERROR;
470 }
471
472 /***********************************************************************
473 * MPEG3_StreamSize
474 *
475 */
476 static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE adss)
477 {
478 DWORD nblocks;
479
480 switch (adss->fdwSize)
481 {
482 case ACM_STREAMSIZEF_DESTINATION:
483 /* cbDstLength => cbSrcLength */
484 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
485 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
486 {
487 nblocks = (adss->cbDstLength - 3000) / (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
488 if (nblocks == 0)
489 return ACMERR_NOTPOSSIBLE;
490 adss->cbSrcLength = nblocks * 1152 * adsi->pwfxSrc->nBlockAlign;
491 }
492 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
493 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
494 {
495 nblocks = adss->cbDstLength / (adsi->pwfxDst->nBlockAlign * 1152);
496 if (nblocks == 0)
497 return ACMERR_NOTPOSSIBLE;
498 adss->cbSrcLength = nblocks * (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
499 }
500 else
501 {
502 return MMSYSERR_NOTSUPPORTED;
503 }
504 break;
505 case ACM_STREAMSIZEF_SOURCE:
506 /* cbSrcLength => cbDstLength */
507 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
508 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
509 {
510 nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * 1152);
511 if (nblocks == 0)
512 return ACMERR_NOTPOSSIBLE;
513 if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nBlockAlign * 1152))
514 /* Round block count up. */
515 nblocks++;
516 adss->cbDstLength = 3000 + nblocks * (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
517 }
518 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
519 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
520 {
521 nblocks = adss->cbSrcLength / (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
522 if (nblocks == 0)
523 return ACMERR_NOTPOSSIBLE;
524 if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec))
525 /* Round block count up. */
526 nblocks++;
527 adss->cbDstLength = nblocks * 1152 * adsi->pwfxDst->nBlockAlign;
528 }
529 else
530 {
531 return MMSYSERR_NOTSUPPORTED;
532 }
533 break;
534 default:
535 WARN("Unsupported query %08x\n", adss->fdwSize);
536 return MMSYSERR_NOTSUPPORTED;
537 }
538 return MMSYSERR_NOERROR;
539 }
540
541 /***********************************************************************
542 * MPEG3_StreamConvert
543 *
544 */
545 static LRESULT MPEG3_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
546 {
547 AcmMpeg3Data* aad = (AcmMpeg3Data*)adsi->dwDriver;
548 DWORD nsrc = adsh->cbSrcLength;
549 DWORD ndst = adsh->cbDstLength;
550
551 if (adsh->fdwConvert &
552 ~(ACM_STREAMCONVERTF_BLOCKALIGN|
553 ACM_STREAMCONVERTF_END|
554 ACM_STREAMCONVERTF_START))
555 {
556 FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert);
557 }
558 /* ACM_STREAMCONVERTF_BLOCKALIGN
559 * currently all conversions are block aligned, so do nothing for this flag
560 * ACM_STREAMCONVERTF_END
561 * no pending data, so do nothing for this flag
562 */
563 if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
564 {
565 MPEG3_Reset(adsi, aad);
566 }
567
568 aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
569 adsh->cbSrcLengthUsed = nsrc;
570 adsh->cbDstLengthUsed = ndst;
571
572 return MMSYSERR_NOERROR;
573 }
574
575 /**************************************************************************
576 * MPEG3_DriverProc [exported]
577 */
578 LRESULT CALLBACK MPEG3_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
579 LPARAM dwParam1, LPARAM dwParam2)
580 {
581 TRACE("(%08lx %p %04x %08lx %08lx);\n",
582 dwDevID, hDriv, wMsg, dwParam1, dwParam2);
583
584 switch (wMsg)
585 {
586 case DRV_LOAD: return 1;
587 case DRV_FREE: return 1;
588 case DRV_OPEN: return MPEG3_drvOpen((LPSTR)dwParam1);
589 case DRV_CLOSE: return MPEG3_drvClose(dwDevID);
590 case DRV_ENABLE: return 1;
591 case DRV_DISABLE: return 1;
592 case DRV_QUERYCONFIGURE: return 1;
593 case DRV_CONFIGURE: MessageBoxA(0, "MPEG3 filter !", "Wine Driver", MB_OK); return 1;
594 case DRV_INSTALL: return DRVCNF_RESTART;
595 case DRV_REMOVE: return DRVCNF_RESTART;
596
597 case ACMDM_DRIVER_NOTIFY:
598 /* no caching from other ACM drivers is done so far */
599 return MMSYSERR_NOERROR;
600
601 case ACMDM_DRIVER_DETAILS:
602 return MPEG3_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
603
604 case ACMDM_FORMATTAG_DETAILS:
605 return MPEG3_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
606
607 case ACMDM_FORMAT_DETAILS:
608 return MPEG3_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
609
610 case ACMDM_FORMAT_SUGGEST:
611 return MPEG3_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
612
613 case ACMDM_STREAM_OPEN:
614 return MPEG3_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
615
616 case ACMDM_STREAM_CLOSE:
617 return MPEG3_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
618
619 case ACMDM_STREAM_SIZE:
620 return MPEG3_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
621
622 case ACMDM_STREAM_CONVERT:
623 return MPEG3_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
624
625 case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
626 case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
627 /* this converter is not a hardware driver */
628 case ACMDM_FILTERTAG_DETAILS:
629 case ACMDM_FILTER_DETAILS:
630 /* this converter is not a filter */
631 case ACMDM_STREAM_RESET:
632 /* only needed for asynchronous driver... we aren't, so just say it */
633 return MMSYSERR_NOTSUPPORTED;
634 case ACMDM_STREAM_PREPARE:
635 case ACMDM_STREAM_UNPREPARE:
636 /* nothing special to do here... so don't do anything */
637 return MMSYSERR_NOERROR;
638
639 default:
640 return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
641 }
642 }
Maarten's multimedia branch