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Release 1.1.37.
[wine/gsoc-2012-control.git] / dlls / winemp3.acm / mpegl3.c
blobfd06c0dc863b3a5202bf1ca69e13a046aad7b068
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 long rate;
178 int channels, enc;
179 mpg123_getformat(amd->mh, &rate, &channels, &enc);
180 TRACE("New format: %li Hz, %i channels, encoding value %i\n", rate, channels, enc);
181 }
182 dpos += size;
183 } while (ret == MPG123_OK);
184 *ndst = dpos;
185 }
186
187 /***********************************************************************
188 * MPEG3_DriverDetails
189 *
190 */
191 static LRESULT MPEG3_DriverDetails(PACMDRIVERDETAILSW add)
192 {
193 add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
194 add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
195 add->wMid = 0xFF;
196 add->wPid = 0x00;
197 add->vdwACM = 0x01000000;
198 add->vdwDriver = 0x01000000;
199 add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
200 add->cFormatTags = 2; /* PCM, MPEG3 */
201 add->cFilterTags = 0;
202 add->hicon = NULL;
203 MultiByteToWideChar( CP_ACP, 0, "WINE-MPEG3", -1,
204 add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
205 MultiByteToWideChar( CP_ACP, 0, "Wine MPEG3 decoder", -1,
206 add->szLongName, sizeof(add->szLongName)/sizeof(WCHAR) );
207 MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
208 add->szCopyright, sizeof(add->szCopyright)/sizeof(WCHAR) );
209 MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
210 add->szLicensing, sizeof(add->szLicensing)/sizeof(WCHAR) );
211 add->szFeatures[0] = 0;
212
213 return MMSYSERR_NOERROR;
214 }
215
216 /***********************************************************************
217 * MPEG3_FormatTagDetails
218 *
219 */
220 static LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
221 {
222 static const WCHAR szPcm[]={'P','C','M',0};
223 static const WCHAR szMpeg3[]={'M','P','e','g','3',0};
224
225 switch (dwQuery)
226 {
227 case ACM_FORMATTAGDETAILSF_INDEX:
228 if (aftd->dwFormatTagIndex >= 2) return ACMERR_NOTPOSSIBLE;
229 break;
230 case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
231 if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
232 {
233 aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_MPEGLAYER3 is bigger than PCM */
234 break;
235 }
236 /* fall thru */
237 case ACM_FORMATTAGDETAILSF_FORMATTAG:
238 switch (aftd->dwFormatTag)
239 {
240 case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break;
241 case WAVE_FORMAT_MPEGLAYER3: aftd->dwFormatTagIndex = 1; break;
242 default: return ACMERR_NOTPOSSIBLE;
243 }
244 break;
245 default:
246 WARN("Unsupported query %08x\n", dwQuery);
247 return MMSYSERR_NOTSUPPORTED;
248 }
249
250 aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
251 switch (aftd->dwFormatTagIndex)
252 {
253 case 0:
254 aftd->dwFormatTag = WAVE_FORMAT_PCM;
255 aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
256 aftd->cStandardFormats = NUM_PCM_FORMATS;
257 lstrcpyW(aftd->szFormatTag, szPcm);
258 break;
259 case 1:
260 aftd->dwFormatTag = WAVE_FORMAT_MPEGLAYER3;
261 aftd->cbFormatSize = sizeof(MPEGLAYER3WAVEFORMAT);
262 aftd->cStandardFormats = NUM_MPEG3_FORMATS;
263 lstrcpyW(aftd->szFormatTag, szMpeg3);
264 break;
265 }
266 return MMSYSERR_NOERROR;
267 }
268
269 static void fill_in_wfx(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
270 {
271 MPEGLAYER3WAVEFORMAT* mp3wfx = (MPEGLAYER3WAVEFORMAT*)wfx;
272
273 wfx->nAvgBytesPerSec = bit_rate / 8;
274 if (cbwfx >= sizeof(WAVEFORMATEX))
275 wfx->cbSize = sizeof(MPEGLAYER3WAVEFORMAT) - sizeof(WAVEFORMATEX);
276 if (cbwfx >= sizeof(MPEGLAYER3WAVEFORMAT))
277 {
278 mp3wfx->wID = MPEGLAYER3_ID_MPEG;
279 mp3wfx->fdwFlags = MPEGLAYER3_FLAG_PADDING_OFF;
280 mp3wfx->nBlockSize = (bit_rate * 144) / wfx->nSamplesPerSec;
281 mp3wfx->nFramesPerBlock = 1;
282 mp3wfx->nCodecDelay = 0x0571;
283 }
284 }
285
286 /***********************************************************************
287 * MPEG3_FormatDetails
288 *
289 */
290 static LRESULT MPEG3_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
291 {
292 switch (dwQuery)
293 {
294 case ACM_FORMATDETAILSF_FORMAT:
295 if (MPEG3_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
296 break;
297 case ACM_FORMATDETAILSF_INDEX:
298 afd->pwfx->wFormatTag = afd->dwFormatTag;
299 switch (afd->dwFormatTag)
300 {
301 case WAVE_FORMAT_PCM:
302 if (afd->dwFormatIndex >= NUM_PCM_FORMATS) return ACMERR_NOTPOSSIBLE;
303 afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
304 afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
305 afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
306 /* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
307 * afd->pwfx->cbSize = 0;
308 */
309 afd->pwfx->nBlockAlign =
310 (afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
311 afd->pwfx->nAvgBytesPerSec =
312 afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
313 break;
314 case WAVE_FORMAT_MPEGLAYER3:
315 if (afd->dwFormatIndex >= NUM_MPEG3_FORMATS) return ACMERR_NOTPOSSIBLE;
316 afd->pwfx->nChannels = MPEG3_Formats[afd->dwFormatIndex].nChannels;
317 afd->pwfx->nSamplesPerSec = MPEG3_Formats[afd->dwFormatIndex].rate;
318 afd->pwfx->wBitsPerSample = MPEG3_Formats[afd->dwFormatIndex].nBits;
319 afd->pwfx->nBlockAlign = 1;
320 fill_in_wfx(afd->cbwfx, afd->pwfx, 192000);
321 break;
322 default:
323 WARN("Unsupported tag %08x\n", afd->dwFormatTag);
324 return MMSYSERR_INVALPARAM;
325 }
326 break;
327 default:
328 WARN("Unsupported query %08x\n", dwQuery);
329 return MMSYSERR_NOTSUPPORTED;
330 }
331 afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
332 afd->szFormat[0] = 0; /* let MSACM format this for us... */
333
334 return MMSYSERR_NOERROR;
335 }
336
337 /***********************************************************************
338 * MPEG3_FormatSuggest
339 *
340 */
341 static LRESULT MPEG3_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
342 {
343 /* some tests ... */
344 if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
345 adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
346 MPEG3_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
347 /* FIXME: should do those tests against the real size (according to format tag */
348
349 /* If no suggestion for destination, then copy source value */
350 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
351 adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
352 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
353 adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
354
355 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
356 {
357 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
358 adfs->pwfxDst->wBitsPerSample = 4;
359 else
360 adfs->pwfxDst->wBitsPerSample = 16;
361 }
362 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
363 {
364 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
365 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
366 else
367 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
368 }
369
370 /* check if result is ok */
371 if (MPEG3_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
372
373 /* recompute other values */
374 switch (adfs->pwfxDst->wFormatTag)
375 {
376 case WAVE_FORMAT_PCM:
377 adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
378 adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
379 break;
380 case WAVE_FORMAT_MPEGLAYER3:
381 adfs->pwfxDst->nBlockAlign = 1;
382 fill_in_wfx(adfs->cbwfxDst, adfs->pwfxDst, 192000);
383 break;
384 default:
385 FIXME("\n");
386 break;
387 }
388
389 return MMSYSERR_NOERROR;
390 }
391
392 /***********************************************************************
393 * MPEG3_Reset
394 *
395 */
396 static void MPEG3_Reset(PACMDRVSTREAMINSTANCE adsi, AcmMpeg3Data* aad)
397 {
398 mpg123_feedseek(aad->mh, 0, SEEK_SET, NULL);
399 mpg123_close(aad->mh);
400 mpg123_open_feed(aad->mh);
401 }
402
403 /***********************************************************************
404 * MPEG3_StreamOpen
405 *
406 */
407 static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
408 {
409 AcmMpeg3Data* aad;
410 int err;
411
412 assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
413
414 if (MPEG3_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
415 MPEG3_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
416 return ACMERR_NOTPOSSIBLE;
417
418 aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmMpeg3Data));
419 if (aad == 0) return MMSYSERR_NOMEM;
420
421 adsi->dwDriver = (DWORD_PTR)aad;
422
423 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
424 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
425 {
426 goto theEnd;
427 }
428 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
429 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
430 {
431 /* resampling or mono <=> stereo not available
432 * MPEG3 algo only define 16 bit per sample output
433 */
434 if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
435 adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
436 adsi->pwfxDst->wBitsPerSample != 16)
437 goto theEnd;
438 aad->convert = mp3_horse;
439 aad->mh = mpg123_new(NULL,&err);
440 mpg123_open_feed(aad->mh);
441 }
442 /* no encoding yet
443 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
444 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
445 */
446 else goto theEnd;
447 MPEG3_Reset(adsi, aad);
448
449 return MMSYSERR_NOERROR;
450
451 theEnd:
452 HeapFree(GetProcessHeap(), 0, aad);
453 adsi->dwDriver = 0L;
454 return MMSYSERR_NOTSUPPORTED;
455 }
456
457 /***********************************************************************
458 * MPEG3_StreamClose
459 *
460 */
461 static LRESULT MPEG3_StreamClose(PACMDRVSTREAMINSTANCE adsi)
462 {
463 mpg123_close(((AcmMpeg3Data*)adsi->dwDriver)->mh);
464 mpg123_delete(((AcmMpeg3Data*)adsi->dwDriver)->mh);
465 HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
466 return MMSYSERR_NOERROR;
467 }
468
469 /***********************************************************************
470 * MPEG3_StreamSize
471 *
472 */
473 static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE adss)
474 {
475 DWORD nblocks;
476
477 switch (adss->fdwSize)
478 {
479 case ACM_STREAMSIZEF_DESTINATION:
480 /* cbDstLength => cbSrcLength */
481 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
482 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
483 {
484 nblocks = (adss->cbDstLength - 3000) / (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
485 if (nblocks == 0)
486 return ACMERR_NOTPOSSIBLE;
487 adss->cbSrcLength = nblocks * 1152 * adsi->pwfxSrc->nBlockAlign;
488 }
489 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
490 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
491 {
492 nblocks = adss->cbDstLength / (adsi->pwfxDst->nBlockAlign * 1152);
493 if (nblocks == 0)
494 return ACMERR_NOTPOSSIBLE;
495 adss->cbSrcLength = nblocks * (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
496 }
497 else
498 {
499 return MMSYSERR_NOTSUPPORTED;
500 }
501 break;
502 case ACM_STREAMSIZEF_SOURCE:
503 /* cbSrcLength => cbDstLength */
504 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
505 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
506 {
507 nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * 1152);
508 if (nblocks == 0)
509 return ACMERR_NOTPOSSIBLE;
510 if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nBlockAlign * 1152))
511 /* Round block count up. */
512 nblocks++;
513 adss->cbDstLength = 3000 + nblocks * (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
514 }
515 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
516 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
517 {
518 nblocks = adss->cbSrcLength / (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
519 if (nblocks == 0)
520 return ACMERR_NOTPOSSIBLE;
521 if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec))
522 /* Round block count up. */
523 nblocks++;
524 adss->cbDstLength = nblocks * 1152 * adsi->pwfxDst->nBlockAlign;
525 }
526 else
527 {
528 return MMSYSERR_NOTSUPPORTED;
529 }
530 break;
531 default:
532 WARN("Unsupported query %08x\n", adss->fdwSize);
533 return MMSYSERR_NOTSUPPORTED;
534 }
535 return MMSYSERR_NOERROR;
536 }
537
538 /***********************************************************************
539 * MPEG3_StreamConvert
540 *
541 */
542 static LRESULT MPEG3_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
543 {
544 AcmMpeg3Data* aad = (AcmMpeg3Data*)adsi->dwDriver;
545 DWORD nsrc = adsh->cbSrcLength;
546 DWORD ndst = adsh->cbDstLength;
547
548 if (adsh->fdwConvert &
549 ~(ACM_STREAMCONVERTF_BLOCKALIGN|
550 ACM_STREAMCONVERTF_END|
551 ACM_STREAMCONVERTF_START))
552 {
553 FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert);
554 }
555 /* ACM_STREAMCONVERTF_BLOCKALIGN
556 * currently all conversions are block aligned, so do nothing for this flag
557 * ACM_STREAMCONVERTF_END
558 * no pending data, so do nothing for this flag
559 */
560 if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
561 {
562 MPEG3_Reset(adsi, aad);
563 }
564
565 aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
566 adsh->cbSrcLengthUsed = nsrc;
567 adsh->cbDstLengthUsed = ndst;
568
569 return MMSYSERR_NOERROR;
570 }
571
572 /**************************************************************************
573 * MPEG3_DriverProc [exported]
574 */
575 LRESULT CALLBACK MPEG3_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
576 LPARAM dwParam1, LPARAM dwParam2)
577 {
578 TRACE("(%08lx %p %04x %08lx %08lx);\n",
579 dwDevID, hDriv, wMsg, dwParam1, dwParam2);
580
581 switch (wMsg)
582 {
583 case DRV_LOAD: return 1;
584 case DRV_FREE: return 1;
585 case DRV_OPEN: return MPEG3_drvOpen((LPSTR)dwParam1);
586 case DRV_CLOSE: return MPEG3_drvClose(dwDevID);
587 case DRV_ENABLE: return 1;
588 case DRV_DISABLE: return 1;
589 case DRV_QUERYCONFIGURE: return 1;
590 case DRV_CONFIGURE: MessageBoxA(0, "MPEG3 filter !", "Wine Driver", MB_OK); return 1;
591 case DRV_INSTALL: return DRVCNF_RESTART;
592 case DRV_REMOVE: return DRVCNF_RESTART;
593
594 case ACMDM_DRIVER_NOTIFY:
595 /* no caching from other ACM drivers is done so far */
596 return MMSYSERR_NOERROR;
597
598 case ACMDM_DRIVER_DETAILS:
599 return MPEG3_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
600
601 case ACMDM_FORMATTAG_DETAILS:
602 return MPEG3_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
603
604 case ACMDM_FORMAT_DETAILS:
605 return MPEG3_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
606
607 case ACMDM_FORMAT_SUGGEST:
608 return MPEG3_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
609
610 case ACMDM_STREAM_OPEN:
611 return MPEG3_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
612
613 case ACMDM_STREAM_CLOSE:
614 return MPEG3_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
615
616 case ACMDM_STREAM_SIZE:
617 return MPEG3_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
618
619 case ACMDM_STREAM_CONVERT:
620 return MPEG3_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
621
622 case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
623 case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
624 /* this converter is not a hardware driver */
625 case ACMDM_FILTERTAG_DETAILS:
626 case ACMDM_FILTER_DETAILS:
627 /* this converter is not a filter */
628 case ACMDM_STREAM_RESET:
629 /* only needed for asynchronous driver... we aren't, so just say it */
630 return MMSYSERR_NOTSUPPORTED;
631 case ACMDM_STREAM_PREPARE:
632 case ACMDM_STREAM_UNPREPARE:
633 /* nothing special to do here... so don't do anything */
634 return MMSYSERR_NOERROR;
635
636 default:
637 return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
638 }
639 }
GSOC 2012 project to enhance the control panel