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winex11: Don't use the vulkan driver interface for xrandr.
[wine.git] / dlls / msadp32.acm / msadp32.c
blobb31f6371a7a20b807bb71491a747ee1857c9e2ca
1 /*
2 * MS ADPCM 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 "wine/debug.h"
35
36 /* see http://www.pcisys.net/~melanson/codecs/adpcm.txt for the details */
37
38 WINE_DEFAULT_DEBUG_CHANNEL(adpcm);
39
40 /***********************************************************************
41 * ADPCM_drvOpen
42 */
43 static LRESULT ADPCM_drvOpen(LPCSTR str)
44 {
45 return 1;
46 }
47
48 /***********************************************************************
49 * ADPCM_drvClose
50 */
51 static LRESULT ADPCM_drvClose(DWORD_PTR dwDevID)
52 {
53 return 1;
54 }
55
56 typedef struct tagAcmAdpcmData
57 {
58 void (*convert)(const ACMDRVSTREAMINSTANCE *adsi,
59 const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
60 } AcmAdpcmData;
61
62 /* table to list all supported formats... those are the basic ones. this
63 * also helps given a unique index to each of the supported formats
64 */
65 typedef struct
66 {
67 int nChannels;
68 int nBits;
69 int rate;
70 } Format;
71
72 static const Format PCM_Formats[] =
73 {
74 {1, 8, 8000}, {2, 8, 8000}, {1, 16, 8000}, {2, 16, 8000},
75 {1, 8, 11025}, {2, 8, 11025}, {1, 16, 11025}, {2, 16, 11025},
76 {1, 8, 22050}, {2, 8, 22050}, {1, 16, 22050}, {2, 16, 22050},
77 {1, 8, 44100}, {2, 8, 44100}, {1, 16, 44100}, {2, 16, 44100},
78 };
79
80 static const Format ADPCM_Formats[] =
81 {
82 {1, 4, 8000}, {2, 4, 8000}, {1, 4, 11025}, {2, 4, 11025},
83 {1, 4, 22050}, {2, 4, 22050}, {1, 4, 44100}, {2, 4, 44100},
84 };
85
86 static int MS_Delta[] =
87 {
88 230, 230, 230, 230, 307, 409, 512, 614,
89 768, 614, 512, 409, 307, 230, 230, 230
90 };
91
92
93 static ADPCMCOEFSET MSADPCM_CoeffSet[] =
94 {
95 {256, 0}, {512, -256}, {0, 0}, {192, 64}, {240, 0}, {460, -208}, {392, -232}
96 };
97
98 /***********************************************************************
99 * ADPCM_GetFormatIndex
100 */
101 static DWORD ADPCM_GetFormatIndex(const WAVEFORMATEX* wfx)
102 {
103 int i, hi;
104 const Format* fmts;
105
106 switch (wfx->wFormatTag)
107 {
108 case WAVE_FORMAT_PCM:
109 hi = ARRAY_SIZE(PCM_Formats);
110 fmts = PCM_Formats;
111 break;
112 case WAVE_FORMAT_ADPCM:
113 hi = ARRAY_SIZE(ADPCM_Formats);
114 fmts = ADPCM_Formats;
115 break;
116 default:
117 return 0xFFFFFFFF;
118 }
119
120 for (i = 0; i < hi; i++)
121 {
122 if (wfx->nChannels == fmts[i].nChannels &&
123 wfx->nSamplesPerSec == fmts[i].rate &&
124 wfx->wBitsPerSample == fmts[i].nBits)
125 return i;
126 }
127
128 switch (wfx->wFormatTag)
129 {
130 case WAVE_FORMAT_PCM:
131 if(3 > wfx->nChannels &&
132 wfx->nChannels > 0 &&
133 wfx->nAvgBytesPerSec == 2 * wfx->nSamplesPerSec * wfx->nChannels &&
134 wfx->nBlockAlign == 2 * wfx->nChannels &&
135 wfx->wBitsPerSample == 16)
136 return hi;
137 break;
138 case WAVE_FORMAT_ADPCM:
139 if(3 > wfx->nChannels &&
140 wfx->nChannels > 0 &&
141 wfx->wBitsPerSample == 4 &&
142 wfx->cbSize == 32)
143 return hi;
144 break;
145 }
146
147 return 0xFFFFFFFF;
148 }
149
150 static void init_wfx_adpcm(ADPCMWAVEFORMAT* awfx)
151 {
152 register WAVEFORMATEX* pwfx = &awfx->wfx;
153
154 /* we assume wFormatTag, nChannels, nSamplesPerSec and wBitsPerSample
155 * have been initialized... */
156
157 if (pwfx->wFormatTag != WAVE_FORMAT_ADPCM) {FIXME("wrong FT\n"); return;}
158 if (ADPCM_GetFormatIndex(pwfx) == 0xFFFFFFFF) {FIXME("wrong fmt\n"); return;}
159
160 switch (pwfx->nSamplesPerSec)
161 {
162 case 8000: pwfx->nBlockAlign = 256 * pwfx->nChannels; break;
163 case 11025: pwfx->nBlockAlign = 256 * pwfx->nChannels; break;
164 case 22050: pwfx->nBlockAlign = 512 * pwfx->nChannels; break;
165 case 44100: pwfx->nBlockAlign = 1024 * pwfx->nChannels; break;
166 default: break;
167 }
168 pwfx->cbSize = 2 * sizeof(WORD) + 7 * sizeof(ADPCMCOEFSET);
169 /* 7 is the size of the block head (which contains two samples) */
170
171 awfx->wSamplesPerBlock = pwfx->nBlockAlign * 2 / pwfx->nChannels - 12;
172 pwfx->nAvgBytesPerSec = (pwfx->nSamplesPerSec * pwfx->nBlockAlign) / awfx->wSamplesPerBlock;
173 awfx->wNumCoef = 7;
174 memcpy(awfx->aCoef, MSADPCM_CoeffSet, 7 * sizeof(ADPCMCOEFSET));
175 }
176
177 /***********************************************************************
178 * R16
179 *
180 * Read a 16 bit sample (correctly handles endianness)
181 */
182 static inline short R16(const unsigned char* src)
183 {
184 return (short)((unsigned short)src[0] | ((unsigned short)src[1] << 8));
185 }
186
187 /***********************************************************************
188 * W16
189 *
190 * Write a 16 bit sample (correctly handles endianness)
191 */
192 static inline void W16(unsigned char* dst, short s)
193 {
194 dst[0] = LOBYTE(s);
195 dst[1] = HIBYTE(s);
196 }
197
198 static inline void clamp_sample(int* sample)
199 {
200 if (*sample < -32768) *sample = -32768;
201 if (*sample > 32767) *sample = 32767;
202 }
203
204 static inline void process_nibble(unsigned nibble, int* idelta,
205 int* sample1, int* sample2,
206 const ADPCMCOEFSET* coeff)
207 {
208 int sample;
209 int snibble;
210
211 /* nibble is in fact a signed 4 bit integer => propagate sign if needed */
212 snibble = (nibble & 0x08) ? (nibble - 16) : nibble;
213 sample = ((*sample1 * coeff->iCoef1) + (*sample2 * coeff->iCoef2)) / 256 +
214 snibble * *idelta;
215 clamp_sample(&sample);
216
217 *sample2 = *sample1;
218 *sample1 = sample;
219 *idelta = ((MS_Delta[nibble] * *idelta) / 256);
220 if (*idelta < 16) *idelta = 16;
221 }
222
223 static inline unsigned char C168(short s)
224 {
225 return HIBYTE(s) ^ (unsigned char)0x80;
226 }
227
228 static void cvtSSms16K(const ACMDRVSTREAMINSTANCE *adsi,
229 const unsigned char* src, LPDWORD nsrc,
230 unsigned char* dst, LPDWORD ndst)
231 {
232 int ideltaL, ideltaR;
233 int sample1L, sample2L;
234 int sample1R, sample2R;
235 ADPCMCOEFSET coeffL, coeffR;
236 int nsamp;
237 int nsamp_blk = ((ADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
238 DWORD nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
239 *ndst / (nsamp_blk * adsi->pwfxDst->nBlockAlign));
240
241 *nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
242 *ndst = nblock * nsamp_blk * adsi->pwfxDst->nBlockAlign;
243
244 nsamp_blk -= 2; /* see below for samples from block head */
245 for (; nblock > 0; nblock--)
246 {
247 const unsigned char* in_src = src;
248
249 /* Catch a problem from Tomb Raider III (bug 21000) where it passes
250 * invalid data after a valid sequence of blocks */
251 if (*src > 6 || *(src + 1) > 6)
252 {
253 /* Recalculate the amount of used output buffer. We are not changing
254 * nsrc, let's assume the bad data was parsed */
255 *ndst -= nblock * nsamp_blk * adsi->pwfxDst->nBlockAlign;
256 WARN("Invalid ADPCM data, stopping conversion\n");
257 break;
258 }
259 coeffL = MSADPCM_CoeffSet[*src++];
260 coeffR = MSADPCM_CoeffSet[*src++];
261
262 ideltaL = R16(src); src += 2;
263 ideltaR = R16(src); src += 2;
264 sample1L = R16(src); src += 2;
265 sample1R = R16(src); src += 2;
266 sample2L = R16(src); src += 2;
267 sample2R = R16(src); src += 2;
268
269 if(adsi->pwfxDst->wBitsPerSample == 8){
270 /* store samples from block head */
271 *dst = C168(sample2L); ++dst;
272 *dst = C168(sample2R); ++dst;
273 *dst = C168(sample1L); ++dst;
274 *dst = C168(sample1R); ++dst;
275
276 for (nsamp = nsamp_blk; nsamp > 0; nsamp--)
277 {
278 process_nibble(*src >> 4, &ideltaL, &sample1L, &sample2L, &coeffL);
279 *dst = C168(sample1L); ++dst;
280 process_nibble(*src++ & 0x0F, &ideltaR, &sample1R, &sample2R, &coeffR);
281 *dst = C168(sample1R); ++dst;
282 }
283 }else if(adsi->pwfxDst->wBitsPerSample == 16){
284 /* store samples from block head */
285 W16(dst, sample2L); dst += 2;
286 W16(dst, sample2R); dst += 2;
287 W16(dst, sample1L); dst += 2;
288 W16(dst, sample1R); dst += 2;
289
290 for (nsamp = nsamp_blk; nsamp > 0; nsamp--)
291 {
292 process_nibble(*src >> 4, &ideltaL, &sample1L, &sample2L, &coeffL);
293 W16(dst, sample1L); dst += 2;
294 process_nibble(*src++ & 0x0F, &ideltaR, &sample1R, &sample2R, &coeffR);
295 W16(dst, sample1R); dst += 2;
296 }
297 }
298 src = in_src + adsi->pwfxSrc->nBlockAlign;
299 }
300 }
301
302 static void cvtMMms16K(const ACMDRVSTREAMINSTANCE *adsi,
303 const unsigned char* src, LPDWORD nsrc,
304 unsigned char* dst, LPDWORD ndst)
305 {
306 int idelta;
307 int sample1, sample2;
308 ADPCMCOEFSET coeff;
309 int nsamp;
310 int nsamp_blk = ((ADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
311 DWORD nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
312 *ndst / (nsamp_blk * adsi->pwfxDst->nBlockAlign));
313
314 *nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
315 *ndst = nblock * nsamp_blk * adsi->pwfxDst->nBlockAlign;
316
317 nsamp_blk -= 2; /* see below for samples from block head */
318 for (; nblock > 0; nblock--)
319 {
320 const unsigned char* in_src = src;
321
322 /* Catch a problem from Lord of the Rings War of the Ring where it
323 * passes invalid data. */
324 if (*src > 6)
325 {
326 *ndst -= nblock * nsamp_blk * adsi->pwfxDst->nBlockAlign;
327 WARN("Invalid ADPCM data, stopping conversion\n");
328 break;
329 }
330 coeff = MSADPCM_CoeffSet[*src++];
331
332 idelta = R16(src); src += 2;
333 sample1 = R16(src); src += 2;
334 sample2 = R16(src); src += 2;
335
336 /* store samples from block head */
337 if(adsi->pwfxDst->wBitsPerSample == 8){
338 *dst = C168(sample2); ++dst;
339 *dst = C168(sample1); ++dst;
340
341 for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 2)
342 {
343 process_nibble(*src >> 4, &idelta, &sample1, &sample2, &coeff);
344 *dst = C168(sample1); ++dst;
345 process_nibble(*src++ & 0x0F, &idelta, &sample1, &sample2, &coeff);
346 *dst = C168(sample1); ++dst;
347 }
348 }else if(adsi->pwfxDst->wBitsPerSample == 16){
349 W16(dst, sample2); dst += 2;
350 W16(dst, sample1); dst += 2;
351
352 for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 2)
353 {
354 process_nibble(*src >> 4, &idelta, &sample1, &sample2, &coeff);
355 W16(dst, sample1); dst += 2;
356 process_nibble(*src++ & 0x0F, &idelta, &sample1, &sample2, &coeff);
357 W16(dst, sample1); dst += 2;
358 }
359 }
360
361 src = in_src + adsi->pwfxSrc->nBlockAlign;
362 }
363 }
364
365 #if 0
366 static void cvtSS16msK(PACMDRVSTREAMINSTANCE adsi,
367 const unsigned char* src, LPDWORD nsrc,
368 unsigned char* dst, LPDWORD ndst)
369 {
370 }
371
372 static void cvtMM16msK(PACMDRVSTREAMINSTANCE adsi,
373 const unsigned char* src, LPDWORD nsrc,
374 unsigned char* dst, LPDWORD ndst)
375 {
376 }
377 #endif
378
379 /***********************************************************************
380 * ADPCM_DriverDetails
381 *
382 */
383 static LRESULT ADPCM_DriverDetails(PACMDRIVERDETAILSW add)
384 {
385 add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
386 add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
387 add->wMid = MM_MICROSOFT;
388 add->wPid = MM_MSFT_ACM_MSADPCM;
389 add->vdwACM = 0x01000000;
390 add->vdwDriver = 0x01000000;
391 add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
392 add->cFormatTags = 2; /* PCM, MS ADPCM */
393 add->cFilterTags = 0;
394 add->hicon = NULL;
395 MultiByteToWideChar( CP_ACP, 0, "MS-ADPCM", -1,
396 add->szShortName, ARRAY_SIZE( add->szShortName ));
397 MultiByteToWideChar( CP_ACP, 0, "Wine MS ADPCM converter", -1,
398 add->szLongName, ARRAY_SIZE( add->szLongName ));
399 MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
400 add->szCopyright, ARRAY_SIZE( add->szCopyright ));
401 MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
402 add->szLicensing, ARRAY_SIZE( add->szLicensing ));
403 add->szFeatures[0] = 0;
404
405 return MMSYSERR_NOERROR;
406 }
407
408 /***********************************************************************
409 * ADPCM_FormatTagDetails
410 *
411 */
412 static LRESULT ADPCM_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
413 {
414 switch (dwQuery)
415 {
416 case ACM_FORMATTAGDETAILSF_INDEX:
417 if (aftd->dwFormatTagIndex >= 2) return ACMERR_NOTPOSSIBLE;
418 break;
419 case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
420 if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
421 {
422 aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_ADPCM is bigger than PCM */
423 break;
424 }
425 /* fall through */
426 case ACM_FORMATTAGDETAILSF_FORMATTAG:
427 switch (aftd->dwFormatTag)
428 {
429 case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break;
430 case WAVE_FORMAT_ADPCM: aftd->dwFormatTagIndex = 1; break;
431 default: return ACMERR_NOTPOSSIBLE;
432 }
433 break;
434 default:
435 WARN("Unsupported query %08lx\n", dwQuery);
436 return MMSYSERR_NOTSUPPORTED;
437 }
438
439 aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
440 switch (aftd->dwFormatTagIndex)
441 {
442 case 0:
443 aftd->dwFormatTag = WAVE_FORMAT_PCM;
444 aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
445 aftd->cStandardFormats = ARRAY_SIZE(PCM_Formats);
446 lstrcpyW(aftd->szFormatTag, L"PCM");
447 break;
448 case 1:
449 aftd->dwFormatTag = WAVE_FORMAT_ADPCM;
450 aftd->cbFormatSize = sizeof(ADPCMWAVEFORMAT) + (7 - 1) * sizeof(ADPCMCOEFSET);
451 aftd->cStandardFormats = ARRAY_SIZE(ADPCM_Formats);
452 lstrcpyW(aftd->szFormatTag, L"Microsoft ADPCM");
453 break;
454 }
455 return MMSYSERR_NOERROR;
456 }
457
458 /***********************************************************************
459 * ADPCM_FormatDetails
460 *
461 */
462 static LRESULT ADPCM_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
463 {
464 switch (dwQuery)
465 {
466 case ACM_FORMATDETAILSF_FORMAT:
467 if (ADPCM_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
468 break;
469 case ACM_FORMATDETAILSF_INDEX:
470 afd->pwfx->wFormatTag = afd->dwFormatTag;
471 switch (afd->dwFormatTag)
472 {
473 case WAVE_FORMAT_PCM:
474 if (afd->dwFormatIndex >= ARRAY_SIZE(PCM_Formats)) return ACMERR_NOTPOSSIBLE;
475 afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
476 afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
477 afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
478 /* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
479 * afd->pwfx->cbSize = 0;
480 */
481 afd->pwfx->nBlockAlign =
482 (afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
483 afd->pwfx->nAvgBytesPerSec =
484 afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
485 break;
486 case WAVE_FORMAT_ADPCM:
487 if (afd->dwFormatIndex >= ARRAY_SIZE(ADPCM_Formats)) return ACMERR_NOTPOSSIBLE;
488 if (afd->cbwfx < sizeof(ADPCMWAVEFORMAT) + (7 - 1) * sizeof(ADPCMCOEFSET))
489 return ACMERR_NOTPOSSIBLE;
490 afd->pwfx->nChannels = ADPCM_Formats[afd->dwFormatIndex].nChannels;
491 afd->pwfx->nSamplesPerSec = ADPCM_Formats[afd->dwFormatIndex].rate;
492 afd->pwfx->wBitsPerSample = ADPCM_Formats[afd->dwFormatIndex].nBits;
493 init_wfx_adpcm((ADPCMWAVEFORMAT*)afd->pwfx);
494 break;
495 default:
496 WARN("Unsupported tag %08lx\n", afd->dwFormatTag);
497 return MMSYSERR_INVALPARAM;
498 }
499 break;
500 default:
501 WARN("Unsupported query %08lx\n", dwQuery);
502 return MMSYSERR_NOTSUPPORTED;
503 }
504 afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
505 afd->szFormat[0] = 0; /* let MSACM format this for us... */
506
507 return MMSYSERR_NOERROR;
508 }
509
510 /***********************************************************************
511 * ADPCM_FormatSuggest
512 *
513 */
514 static LRESULT ADPCM_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
515 {
516 /* some tests ... */
517 if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
518 adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
519 adfs->pwfxSrc->wFormatTag == adfs->pwfxDst->wFormatTag ||
520 ADPCM_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
521 /* FIXME: should do those tests against the real size (according to format tag */
522
523 /* If no suggestion for destination, then copy source value */
524 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
525 adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
526 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
527 adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
528
529 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
530 {
531 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
532 adfs->pwfxDst->wBitsPerSample = 4;
533 else
534 adfs->pwfxDst->wBitsPerSample = 16;
535 }
536 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
537 {
538 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
539 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_ADPCM;
540 else
541 adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
542 }
543
544 /* recompute other values */
545 switch (adfs->pwfxDst->wFormatTag)
546 {
547 case WAVE_FORMAT_PCM:
548 adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
549 adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
550 /* check if result is ok */
551 if (ADPCM_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
552 break;
553 case WAVE_FORMAT_ADPCM:
554 if (adfs->cbwfxDst < sizeof(ADPCMWAVEFORMAT) + (7 - 1) * sizeof(ADPCMCOEFSET))
555 return ACMERR_NOTPOSSIBLE;
556 init_wfx_adpcm((ADPCMWAVEFORMAT*)adfs->pwfxDst);
557 /* check if result is ok */
558 if (ADPCM_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
559 break;
560 default:
561 return ACMERR_NOTPOSSIBLE;
562 }
563
564 return MMSYSERR_NOERROR;
565 }
566
567 /***********************************************************************
568 * ADPCM_Reset
569 *
570 */
571 static void ADPCM_Reset(PACMDRVSTREAMINSTANCE adsi, AcmAdpcmData* aad)
572 {
573 }
574
575 /***********************************************************************
576 * ADPCM_StreamOpen
577 *
578 */
579 static LRESULT ADPCM_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
580 {
581 AcmAdpcmData* aad;
582
583 assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
584
585 if (ADPCM_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
586 ADPCM_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
587 return ACMERR_NOTPOSSIBLE;
588
589 aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmAdpcmData));
590 if (aad == 0) return MMSYSERR_NOMEM;
591
592 adsi->dwDriver = (DWORD_PTR)aad;
593
594 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
595 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
596 {
597 goto theEnd;
598 }
599 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_ADPCM &&
600 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
601 {
602 /* resampling or mono <=> stereo not available */
603 if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
604 adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels)
605 goto theEnd;
606
607 #if 0
608 {
609 unsigned int nspb = ((IMAADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
610 FIXME("spb=%u\n", nspb);
611
612 /* we check that in a block, after the header, samples are present on
613 * 4-sample packet pattern
614 * we also check that the block alignment is bigger than the expected size
615 */
616 if (((nspb - 1) & 3) != 0) goto theEnd;
617 if ((((nspb - 1) / 2) + 4) * adsi->pwfxSrc->nChannels < adsi->pwfxSrc->nBlockAlign)
618 goto theEnd;
619 }
620 #endif
621
622 /* adpcm decoding... */
623 if (adsi->pwfxDst->nChannels == 2)
624 aad->convert = cvtSSms16K;
625 else if (adsi->pwfxDst->nChannels == 1)
626 aad->convert = cvtMMms16K;
627 }
628 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
629 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_ADPCM)
630 {
631 if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
632 adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
633 adsi->pwfxSrc->wBitsPerSample != 16)
634 goto theEnd;
635 #if 0
636 nspb = ((IMAADPCMWAVEFORMAT*)adsi->pwfxDst)->wSamplesPerBlock;
637 FIXME("spb=%u\n", nspb);
638
639 /* we check that in a block, after the header, samples are present on
640 * 4-sample packet pattern
641 * we also check that the block alignment is bigger than the expected size
642 */
643 if (((nspb - 1) & 3) != 0) goto theEnd;
644 if ((((nspb - 1) / 2) + 4) * adsi->pwfxDst->nChannels < adsi->pwfxDst->nBlockAlign)
645 goto theEnd;
646 #endif
647 #if 0
648 /* adpcm coding... */
649 if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 2)
650 aad->convert = cvtSS16msK;
651 if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 1)
652 aad->convert = cvtMM16msK;
653 #endif
654 FIXME("We don't support encoding yet\n");
655 goto theEnd;
656 }
657 else goto theEnd;
658 ADPCM_Reset(adsi, aad);
659
660 return MMSYSERR_NOERROR;
661
662 theEnd:
663 HeapFree(GetProcessHeap(), 0, aad);
664 adsi->dwDriver = 0L;
665 return MMSYSERR_NOTSUPPORTED;
666 }
667
668 /***********************************************************************
669 * ADPCM_StreamClose
670 *
671 */
672 static LRESULT ADPCM_StreamClose(PACMDRVSTREAMINSTANCE adsi)
673 {
674 HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
675 return MMSYSERR_NOERROR;
676 }
677
678 /***********************************************************************
679 * ADPCM_StreamSize
680 *
681 */
682 static LRESULT ADPCM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMSIZE adss)
683 {
684 DWORD nblocks;
685 WORD wSamplesPerBlock;
686 /* wSamplesPerBlock formula comes from MSDN ADPCMWAVEFORMAT page.*/
687 switch (adss->fdwSize)
688 {
689 case ACM_STREAMSIZEF_DESTINATION:
690 /* cbDstLength => cbSrcLength */
691 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
692 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_ADPCM)
693 {
694 wSamplesPerBlock = adsi->pwfxDst->nBlockAlign * 2 / adsi->pwfxDst->nChannels - 12;
695 nblocks = adss->cbDstLength / adsi->pwfxDst->nBlockAlign;
696 if (nblocks == 0)
697 return ACMERR_NOTPOSSIBLE;
698 adss->cbSrcLength = nblocks * adsi->pwfxSrc->nBlockAlign * wSamplesPerBlock;
699 }
700 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_ADPCM &&
701 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
702 {
703 wSamplesPerBlock = adsi->pwfxSrc->nBlockAlign * 2 / adsi->pwfxSrc->nChannels - 12;
704 nblocks = adss->cbDstLength / (adsi->pwfxDst->nBlockAlign * wSamplesPerBlock);
705 if (nblocks == 0)
706 return ACMERR_NOTPOSSIBLE;
707 adss->cbSrcLength = nblocks * adsi->pwfxSrc->nBlockAlign;
708 }
709 else
710 {
711 return MMSYSERR_NOTSUPPORTED;
712 }
713 break;
714 case ACM_STREAMSIZEF_SOURCE:
715 /* cbSrcLength => cbDstLength */
716 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
717 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_ADPCM)
718 {
719 wSamplesPerBlock = adsi->pwfxDst->nBlockAlign * 2 / adsi->pwfxDst->nChannels - 12;
720 nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * wSamplesPerBlock);
721 if (nblocks == 0)
722 return ACMERR_NOTPOSSIBLE;
723 if (adss->cbSrcLength % (adsi->pwfxSrc->nBlockAlign * wSamplesPerBlock))
724 /* Round block count up. */
725 nblocks++;
726 adss->cbDstLength = nblocks * adsi->pwfxDst->nBlockAlign;
727 }
728 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_ADPCM &&
729 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
730 {
731 wSamplesPerBlock = adsi->pwfxSrc->nBlockAlign * 2 / adsi->pwfxSrc->nChannels - 12;
732 nblocks = adss->cbSrcLength / adsi->pwfxSrc->nBlockAlign;
733 if (nblocks == 0)
734 return ACMERR_NOTPOSSIBLE;
735 if (adss->cbSrcLength % adsi->pwfxSrc->nBlockAlign)
736 /* Round block count up. */
737 nblocks++;
738 adss->cbDstLength = nblocks * adsi->pwfxDst->nBlockAlign * wSamplesPerBlock;
739 }
740 else
741 {
742 return MMSYSERR_NOTSUPPORTED;
743 }
744 break;
745 default:
746 WARN("Unsupported query %08lx\n", adss->fdwSize);
747 return MMSYSERR_NOTSUPPORTED;
748 }
749 return MMSYSERR_NOERROR;
750 }
751
752 /***********************************************************************
753 * ADPCM_StreamConvert
754 *
755 */
756 static LRESULT ADPCM_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
757 {
758 AcmAdpcmData* aad = (AcmAdpcmData*)adsi->dwDriver;
759 DWORD nsrc = adsh->cbSrcLength;
760 DWORD ndst = adsh->cbDstLength;
761
762 if (adsh->fdwConvert &
763 ~(ACM_STREAMCONVERTF_BLOCKALIGN|
764 ACM_STREAMCONVERTF_END|
765 ACM_STREAMCONVERTF_START))
766 {
767 FIXME("Unsupported fdwConvert (%08lx), ignoring it\n", adsh->fdwConvert);
768 }
769 /* ACM_STREAMCONVERTF_BLOCKALIGN
770 * currently all conversions are block aligned, so do nothing for this flag
771 * ACM_STREAMCONVERTF_END
772 * no pending data, so do nothing for this flag
773 */
774 if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
775 {
776 ADPCM_Reset(adsi, aad);
777 }
778
779 aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
780 adsh->cbSrcLengthUsed = nsrc;
781 adsh->cbDstLengthUsed = ndst;
782
783 return MMSYSERR_NOERROR;
784 }
785
786 /**************************************************************************
787 * ADPCM_DriverProc [exported]
788 */
789 LRESULT CALLBACK ADPCM_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
790 LPARAM dwParam1, LPARAM dwParam2)
791 {
792 TRACE("(%08Ix %p %04x %08Ix %08Ix);\n",
793 dwDevID, hDriv, wMsg, dwParam1, dwParam2);
794
795 switch (wMsg)
796 {
797 case DRV_LOAD: return 1;
798 case DRV_FREE: return 1;
799 case DRV_OPEN: return ADPCM_drvOpen((LPSTR)dwParam1);
800 case DRV_CLOSE: return ADPCM_drvClose(dwDevID);
801 case DRV_ENABLE: return 1;
802 case DRV_DISABLE: return 1;
803 case DRV_QUERYCONFIGURE: return 1;
804 case DRV_CONFIGURE: MessageBoxA(0, "MSACM MS ADPCM filter !", "Wine Driver", MB_OK); return 1;
805 case DRV_INSTALL: return DRVCNF_RESTART;
806 case DRV_REMOVE: return DRVCNF_RESTART;
807
808 case ACMDM_DRIVER_NOTIFY:
809 /* no caching from other ACM drivers is done so far */
810 return MMSYSERR_NOERROR;
811
812 case ACMDM_DRIVER_DETAILS:
813 return ADPCM_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
814
815 case ACMDM_FORMATTAG_DETAILS:
816 return ADPCM_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
817
818 case ACMDM_FORMAT_DETAILS:
819 return ADPCM_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
820
821 case ACMDM_FORMAT_SUGGEST:
822 return ADPCM_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
823
824 case ACMDM_STREAM_OPEN:
825 return ADPCM_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
826
827 case ACMDM_STREAM_CLOSE:
828 return ADPCM_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
829
830 case ACMDM_STREAM_SIZE:
831 return ADPCM_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
832
833 case ACMDM_STREAM_CONVERT:
834 return ADPCM_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
835
836 case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
837 case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
838 /* this converter is not a hardware driver */
839 case ACMDM_FILTERTAG_DETAILS:
840 case ACMDM_FILTER_DETAILS:
841 /* this converter is not a filter */
842 case ACMDM_STREAM_RESET:
843 /* only needed for asynchronous driver... we aren't, so just say it */
844 return MMSYSERR_NOTSUPPORTED;
845 case ACMDM_STREAM_PREPARE:
846 case ACMDM_STREAM_UNPREPARE:
847 /* nothing special to do here... so don't do anything */
848 return MMSYSERR_NOERROR;
849
850 default:
851 return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
852 }
853 }
Windows API implementation