1 /* 2 * GSM 06.10 codec handling 3 * Copyright (C) 2009 Maarten Lankhorst 4 * 5 * Based on msg711.acm 6 * Copyright (C) 2002 Eric Pouech 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 30 #ifdef HAVE_GSM_GSM_H 31 #include <gsm/gsm.h> 32 #elif defined(HAVE_GSM_H) 33 #include <gsm.h> 34 #endif 35 36 #include "windef.h" 37 #include "winbase.h" 38 #include "wingdi.h" 39 #include "winuser.h" 40 #include "winnls.h" 41 #include "mmsystem.h" 42 #include "mmreg.h" 43 #include "msacm.h" 44 #include "msacmdrv.h" 45 #include "wine/library.h" 46 #include "wine/debug.h" 47 48 WINE_DEFAULT_DEBUG_CHANNEL(gsm); 49 50 #ifdef SONAME_LIBGSM 51 52 static void *libgsm_handle; 53 #define FUNCPTR(f) static typeof(f) * p##f 54 FUNCPTR(gsm_create); 55 FUNCPTR(gsm_destroy); 56 FUNCPTR(gsm_option); 57 FUNCPTR(gsm_encode); 58 FUNCPTR(gsm_decode); 59 60 #define LOAD_FUNCPTR(f) \ 61 if((p##f = wine_dlsym(libgsm_handle, #f, NULL, 0)) == NULL) { \ 62 wine_dlclose(libgsm_handle, NULL, 0); \ 63 libgsm_handle = NULL; \ 64 return FALSE; \ 65 } 66 67 /*********************************************************************** 68 * GSM_drvLoad 69 */ 70 static BOOL GSM_drvLoad(void) 71 { 72 char error[128]; 73 74 libgsm_handle = wine_dlopen(SONAME_LIBGSM, RTLD_NOW, error, sizeof(error)); 75 if (libgsm_handle) 76 { 77 LOAD_FUNCPTR(gsm_create); 78 LOAD_FUNCPTR(gsm_destroy); 79 LOAD_FUNCPTR(gsm_option); 80 LOAD_FUNCPTR(gsm_encode); 81 LOAD_FUNCPTR(gsm_decode); 82 return TRUE; 83 } 84 else 85 { 86 ERR("Couldn't load " SONAME_LIBGSM ": %s\n", error); 87 return FALSE; 88 } 89 } 90 91 /*********************************************************************** 92 * GSM_drvFree 93 */ 94 static LRESULT GSM_drvFree(void) 95 { 96 if (libgsm_handle) 97 wine_dlclose(libgsm_handle, NULL, 0); 98 return 1; 99 } 100 101 #else 102 103 static LRESULT GSM_drvFree(void) 104 { 105 return 1; 106 } 107 108 #endif 109 110 /*********************************************************************** 111 * GSM_DriverDetails 112 * 113 */ 114 static LRESULT GSM_DriverDetails(PACMDRIVERDETAILSW add) 115 { 116 add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC; 117 add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED; 118 /* Details found from probing native msgsm32.acm */ 119 add->wMid = MM_MICROSOFT; 120 add->wPid = MM_MSFT_ACM_GSM610; 121 add->vdwACM = 0x3320000; 122 add->vdwDriver = 0x4000000; 123 add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC; 124 add->cFormatTags = 2; 125 add->cFilterTags = 0; 126 add->hicon = NULL; 127 MultiByteToWideChar( CP_ACP, 0, "Microsoft GSM 6.10", -1, 128 add->szShortName, ARRAY_SIZE( add->szShortName )); 129 MultiByteToWideChar( CP_ACP, 0, "Wine GSM 6.10 libgsm codec", -1, 130 add->szLongName, ARRAY_SIZE( add->szLongName )); 131 MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1, 132 add->szCopyright, ARRAY_SIZE( add->szCopyright )); 133 MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1, 134 add->szLicensing, ARRAY_SIZE( add->szLicensing )); 135 add->szFeatures[0] = 0; 136 return MMSYSERR_NOERROR; 137 } 138 139 /* Validate a WAVEFORMATEX structure */ 140 static BOOL GSM_FormatValidate(const WAVEFORMATEX *wfx) 141 { 142 if (wfx->nChannels != 1) 143 return FALSE; 144 145 switch (wfx->wFormatTag) 146 { 147 case WAVE_FORMAT_PCM: 148 if (wfx->wBitsPerSample != 16) 149 { 150 WARN("PCM wBitsPerSample %u\n", wfx->wBitsPerSample); 151 return FALSE; 152 } 153 if (wfx->nBlockAlign != 2) 154 { 155 WARN("PCM nBlockAlign %u\n", wfx->nBlockAlign); 156 return FALSE; 157 } 158 if (wfx->nAvgBytesPerSec != wfx->nBlockAlign * wfx->nSamplesPerSec) 159 { 160 WARN("PCM nAvgBytesPerSec %u/%u\n", 161 wfx->nAvgBytesPerSec, 162 wfx->nBlockAlign * wfx->nSamplesPerSec); 163 return FALSE; 164 } 165 return TRUE; 166 case WAVE_FORMAT_GSM610: 167 if (wfx->cbSize < sizeof(WORD)) 168 { 169 WARN("GSM cbSize %u\n", wfx->cbSize); 170 return FALSE; 171 } 172 if (wfx->wBitsPerSample != 0) 173 { 174 WARN("GSM wBitsPerSample %u\n", wfx->wBitsPerSample); 175 return FALSE; 176 } 177 if (wfx->nBlockAlign != 65) 178 { 179 WARN("GSM nBlockAlign %u\n", wfx->nBlockAlign); 180 return FALSE; 181 } 182 if (((const GSM610WAVEFORMAT*)wfx)->wSamplesPerBlock != 320) 183 { 184 WARN("GSM wSamplesPerBlock %u\n", 185 ((const GSM610WAVEFORMAT*)wfx)->wSamplesPerBlock); 186 return FALSE; 187 } 188 if (wfx->nAvgBytesPerSec != wfx->nSamplesPerSec * 65 / 320) 189 { 190 WARN("GSM nAvgBytesPerSec %d / %d\n", 191 wfx->nAvgBytesPerSec, wfx->nSamplesPerSec * 65 / 320); 192 return FALSE; 193 } 194 return TRUE; 195 default: 196 return FALSE; 197 } 198 return FALSE; 199 } 200 201 static const DWORD gsm_rates[] = { 8000, 11025, 22050, 44100, 48000, 96000 }; 202 203 /*********************************************************************** 204 * GSM_FormatTagDetails 205 * 206 */ 207 static LRESULT GSM_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery) 208 { 209 static const WCHAR szPcm[]={'P','C','M',0}; 210 static const WCHAR szGsm[]={'G','S','M',' ','6','.','1','0',0}; 211 212 switch (dwQuery) 213 { 214 case ACM_FORMATTAGDETAILSF_INDEX: 215 if (aftd->dwFormatTagIndex > 1) return ACMERR_NOTPOSSIBLE; 216 break; 217 case ACM_FORMATTAGDETAILSF_LARGESTSIZE: 218 if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN) 219 { 220 aftd->dwFormatTagIndex = 1; 221 break; 222 } 223 /* fall through */ 224 case ACM_FORMATTAGDETAILSF_FORMATTAG: 225 switch (aftd->dwFormatTag) 226 { 227 case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break; 228 case WAVE_FORMAT_GSM610: aftd->dwFormatTagIndex = 1; break; 229 default: return ACMERR_NOTPOSSIBLE; 230 } 231 break; 232 default: 233 WARN("Unsupported query %08x\n", dwQuery); 234 return MMSYSERR_NOTSUPPORTED; 235 } 236 237 aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC; 238 switch (aftd->dwFormatTagIndex) 239 { 240 case 0: 241 aftd->dwFormatTag = WAVE_FORMAT_PCM; 242 aftd->cbFormatSize = sizeof(PCMWAVEFORMAT); 243 aftd->cStandardFormats = ARRAY_SIZE(gsm_rates); 244 lstrcpyW(aftd->szFormatTag, szPcm); 245 break; 246 case 1: 247 aftd->dwFormatTag = WAVE_FORMAT_GSM610; 248 aftd->cbFormatSize = sizeof(GSM610WAVEFORMAT); 249 aftd->cStandardFormats = ARRAY_SIZE(gsm_rates); 250 lstrcpyW(aftd->szFormatTag, szGsm); 251 break; 252 } 253 return MMSYSERR_NOERROR; 254 } 255 256 /*********************************************************************** 257 * GSM_FormatDetails 258 * 259 */ 260 static LRESULT GSM_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery) 261 { 262 switch (dwQuery) 263 { 264 case ACM_FORMATDETAILSF_FORMAT: 265 if (!GSM_FormatValidate(afd->pwfx)) return ACMERR_NOTPOSSIBLE; 266 break; 267 case ACM_FORMATDETAILSF_INDEX: 268 afd->pwfx->wFormatTag = afd->dwFormatTag; 269 switch (afd->dwFormatTag) 270 { 271 case WAVE_FORMAT_PCM: 272 if (afd->dwFormatIndex >= ARRAY_SIZE(gsm_rates)) return ACMERR_NOTPOSSIBLE; 273 afd->pwfx->nChannels = 1; 274 afd->pwfx->nSamplesPerSec = gsm_rates[afd->dwFormatIndex]; 275 afd->pwfx->wBitsPerSample = 16; 276 afd->pwfx->nBlockAlign = 2; 277 afd->pwfx->nAvgBytesPerSec = afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign; 278 break; 279 case WAVE_FORMAT_GSM610: 280 if (afd->dwFormatIndex >= ARRAY_SIZE(gsm_rates)) return ACMERR_NOTPOSSIBLE; 281 afd->pwfx->nChannels = 1; 282 afd->pwfx->nSamplesPerSec = gsm_rates[afd->dwFormatIndex]; 283 afd->pwfx->wBitsPerSample = 0; 284 afd->pwfx->nBlockAlign = 65; 285 afd->pwfx->nAvgBytesPerSec = afd->pwfx->nSamplesPerSec * 65 / 320; 286 afd->pwfx->cbSize = sizeof(WORD); 287 ((GSM610WAVEFORMAT*)afd->pwfx)->wSamplesPerBlock = 320; 288 break; 289 default: 290 WARN("Unsupported tag %08x\n", afd->dwFormatTag); 291 return MMSYSERR_INVALPARAM; 292 } 293 break; 294 default: 295 WARN("Unsupported query %08x\n", dwQuery); 296 return MMSYSERR_NOTSUPPORTED; 297 } 298 afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC; 299 afd->szFormat[0] = 0; /* let MSACM format this for us... */ 300 301 return MMSYSERR_NOERROR; 302 } 303 304 /*********************************************************************** 305 * GSM_FormatSuggest 306 * 307 */ 308 static LRESULT GSM_FormatSuggest(PACMDRVFORMATSUGGEST adfs) 309 { 310 /* some tests ... */ 311 if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) || 312 adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) || 313 !GSM_FormatValidate(adfs->pwfxSrc)) return ACMERR_NOTPOSSIBLE; 314 /* FIXME: should do those tests against the real size (according to format tag */ 315 316 /* If no suggestion for destination, then copy source value */ 317 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS)) 318 adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels; 319 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC)) 320 adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec; 321 322 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE)) 323 { 324 if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) 325 adfs->pwfxDst->wBitsPerSample = 0; 326 else 327 adfs->pwfxDst->wBitsPerSample = 16; 328 } 329 if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG)) 330 { 331 switch (adfs->pwfxSrc->wFormatTag) 332 { 333 case WAVE_FORMAT_PCM: adfs->pwfxDst->wFormatTag = WAVE_FORMAT_GSM610; break; 334 case WAVE_FORMAT_GSM610: adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM; break; 335 } 336 } 337 338 /* recompute other values */ 339 switch (adfs->pwfxDst->wFormatTag) 340 { 341 case WAVE_FORMAT_PCM: 342 adfs->pwfxDst->nBlockAlign = 2; 343 adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * 2; 344 break; 345 case WAVE_FORMAT_GSM610: 346 if (adfs->pwfxDst->cbSize < sizeof(WORD)) 347 return ACMERR_NOTPOSSIBLE; 348 adfs->pwfxDst->nBlockAlign = 65; 349 adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * 65 / 320; 350 ((GSM610WAVEFORMAT*)adfs->pwfxDst)->wSamplesPerBlock = 320; 351 break; 352 default: 353 return ACMERR_NOTPOSSIBLE; 354 } 355 356 /* check if result is ok */ 357 if (!GSM_FormatValidate(adfs->pwfxDst)) return ACMERR_NOTPOSSIBLE; 358 return MMSYSERR_NOERROR; 359 } 360 361 #ifdef SONAME_LIBGSM 362 /*********************************************************************** 363 * GSM_StreamOpen 364 * 365 */ 366 static LRESULT GSM_StreamOpen(PACMDRVSTREAMINSTANCE adsi) 367 { 368 int used = 1; 369 gsm r; 370 if (!GSM_FormatValidate(adsi->pwfxSrc) || !GSM_FormatValidate(adsi->pwfxDst)) 371 return MMSYSERR_NOTSUPPORTED; 372 373 if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec) 374 return MMSYSERR_NOTSUPPORTED; 375 376 if (!GSM_drvLoad()) return MMSYSERR_NOTSUPPORTED; 377 378 r = pgsm_create(); 379 if (!r) 380 return MMSYSERR_NOMEM; 381 if (pgsm_option(r, GSM_OPT_WAV49, &used) < 0) 382 { 383 FIXME("Your libgsm library doesn't support GSM_OPT_WAV49\n"); 384 FIXME("Please recompile libgsm with WAV49 support\n"); 385 pgsm_destroy(r); 386 return MMSYSERR_NOTSUPPORTED; 387 } 388 adsi->dwDriver = (DWORD_PTR)r; 389 return MMSYSERR_NOERROR; 390 } 391 392 /*********************************************************************** 393 * GSM_StreamClose 394 * 395 */ 396 static LRESULT GSM_StreamClose(PACMDRVSTREAMINSTANCE adsi) 397 { 398 pgsm_destroy((gsm)adsi->dwDriver); 399 return MMSYSERR_NOERROR; 400 } 401 402 /*********************************************************************** 403 * GSM_StreamSize 404 * 405 */ 406 static LRESULT GSM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMSIZE adss) 407 { 408 switch (adss->fdwSize) 409 { 410 case ACM_STREAMSIZEF_DESTINATION: 411 /* cbDstLength => cbSrcLength */ 412 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM && 413 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_GSM610) 414 { 415 adss->cbSrcLength = adss->cbDstLength / 65 * 640; 416 } 417 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610 && 418 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM) 419 { 420 adss->cbSrcLength = adss->cbDstLength / 640 * 65; 421 } 422 else 423 { 424 return MMSYSERR_NOTSUPPORTED; 425 } 426 return MMSYSERR_NOERROR; 427 case ACM_STREAMSIZEF_SOURCE: 428 /* cbSrcLength => cbDstLength */ 429 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM && 430 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_GSM610) 431 { 432 adss->cbDstLength = (adss->cbSrcLength + 639) / 640 * 65; 433 } 434 else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610 && 435 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM) 436 { 437 adss->cbDstLength = adss->cbSrcLength / 65 * 640; 438 } 439 else 440 { 441 return MMSYSERR_NOTSUPPORTED; 442 } 443 return MMSYSERR_NOERROR; 444 default: 445 WARN("Unsupported query %08x\n", adss->fdwSize); 446 return MMSYSERR_NOTSUPPORTED; 447 } 448 } 449 450 /*********************************************************************** 451 * GSM_StreamConvert 452 * 453 */ 454 static LRESULT GSM_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh) 455 { 456 gsm r = (gsm)adsi->dwDriver; 457 DWORD nsrc = 0; 458 DWORD ndst = 0; 459 BYTE *src = adsh->pbSrc; 460 BYTE *dst = adsh->pbDst; 461 int odd = 0; 462 463 if (adsh->fdwConvert & 464 ~(ACM_STREAMCONVERTF_BLOCKALIGN| 465 ACM_STREAMCONVERTF_END| 466 ACM_STREAMCONVERTF_START)) 467 { 468 FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert); 469 } 470 471 /* Reset the index to 0, just to be sure */ 472 pgsm_option(r, GSM_OPT_FRAME_INDEX, &odd); 473 474 /* The native ms codec writes 65 bytes, and this requires 2 libgsm calls. 475 * First 32 bytes are written, or 33 bytes read 476 * Second 33 bytes are written, or 32 bytes read 477 */ 478 479 /* Decode */ 480 if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610) 481 { 482 if (adsh->cbSrcLength / 65 * 640 > adsh->cbDstLength) 483 { 484 return ACMERR_NOTPOSSIBLE; 485 } 486 487 while (nsrc + 65 <= adsh->cbSrcLength) 488 { 489 /* Decode data */ 490 if (pgsm_decode(r, src + nsrc, (gsm_signal*)(dst + ndst)) < 0) 491 FIXME("Couldn't decode data\n"); 492 ndst += 320; 493 nsrc += 33; 494 495 if (pgsm_decode(r, src + nsrc, (gsm_signal*)(dst + ndst)) < 0) 496 FIXME("Couldn't decode data\n"); 497 ndst += 320; 498 nsrc += 32; 499 } 500 } 501 else 502 { 503 /* Testing a little seems to reveal that despite being able to fit 504 * inside the buffer if ACM_STREAMCONVERTF_BLOCKALIGN is set 505 * it still rounds up 506 */ 507 if ((adsh->cbSrcLength + 639) / 640 * 65 > adsh->cbDstLength) 508 { 509 return ACMERR_NOTPOSSIBLE; 510 } 511 512 /* The packing algorithm writes 32 bytes, then 33 bytes, 513 * and it seems to pad to align to 65 bytes always 514 * adding extra data where necessary 515 */ 516 while (nsrc + 640 <= adsh->cbSrcLength) 517 { 518 /* Encode data */ 519 pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst); 520 nsrc += 320; 521 ndst += 32; 522 pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst); 523 nsrc += 320; 524 ndst += 33; 525 } 526 527 /* If ACM_STREAMCONVERTF_BLOCKALIGN isn't set pad with zeros */ 528 if (!(adsh->fdwConvert & ACM_STREAMCONVERTF_BLOCKALIGN) && 529 nsrc < adsh->cbSrcLength) 530 { 531 char emptiness[320]; 532 int todo = adsh->cbSrcLength - nsrc; 533 534 if (todo > 320) 535 { 536 pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst); 537 ndst += 32; 538 todo -= 320; 539 nsrc += 320; 540 541 memcpy(emptiness, src+nsrc, todo); 542 memset(emptiness + todo, 0, 320 - todo); 543 pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst); 544 ndst += 33; 545 } 546 else 547 { 548 memcpy(emptiness, src+nsrc, todo); 549 memset(emptiness + todo, 0, 320 - todo); 550 pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst); 551 ndst += 32; 552 553 memset(emptiness, 0, todo); 554 pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst); 555 ndst += 33; 556 } 557 nsrc = adsh->cbSrcLength; 558 } 559 } 560 561 adsh->cbSrcLengthUsed = nsrc; 562 adsh->cbDstLengthUsed = ndst; 563 TRACE("%d(%d) -> %d(%d)\n", nsrc, adsh->cbSrcLength, ndst, adsh->cbDstLength); 564 return MMSYSERR_NOERROR; 565 } 566 567 #endif 568 569 /************************************************************************** 570 * GSM_DriverProc [exported] 571 */ 572 LRESULT CALLBACK GSM_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg, 573 LPARAM dwParam1, LPARAM dwParam2) 574 { 575 TRACE("(%08lx %p %04x %08lx %08lx);\n", 576 dwDevID, hDriv, wMsg, dwParam1, dwParam2); 577 578 switch (wMsg) 579 { 580 case DRV_LOAD: return 1; 581 case DRV_FREE: return GSM_drvFree(); 582 case DRV_OPEN: return 1; 583 case DRV_CLOSE: return 1; 584 case DRV_ENABLE: return 1; 585 case DRV_DISABLE: return 1; 586 case DRV_QUERYCONFIGURE: return 1; 587 case DRV_CONFIGURE: MessageBoxA(0, "GSM 06.10 codec", "Wine Driver", MB_OK); return 1; 588 case DRV_INSTALL: return DRVCNF_RESTART; 589 case DRV_REMOVE: return DRVCNF_RESTART; 590 591 case ACMDM_DRIVER_NOTIFY: 592 /* no caching from other ACM drivers is done so far */ 593 return MMSYSERR_NOERROR; 594 595 case ACMDM_DRIVER_DETAILS: 596 return GSM_DriverDetails((PACMDRIVERDETAILSW)dwParam1); 597 598 case ACMDM_FORMATTAG_DETAILS: 599 return GSM_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2); 600 601 case ACMDM_FORMAT_DETAILS: 602 return GSM_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2); 603 604 case ACMDM_FORMAT_SUGGEST: 605 return GSM_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1); 606 607 #ifdef SONAME_LIBGSM 608 case ACMDM_STREAM_OPEN: 609 return GSM_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1); 610 611 case ACMDM_STREAM_CLOSE: 612 return GSM_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1); 613 614 case ACMDM_STREAM_SIZE: 615 return GSM_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2); 616 617 case ACMDM_STREAM_CONVERT: 618 return GSM_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2); 619 #else 620 case ACMDM_STREAM_OPEN: WARN("libgsm support not compiled in!\n"); 621 case ACMDM_STREAM_CLOSE: 622 case ACMDM_STREAM_SIZE: 623 case ACMDM_STREAM_CONVERT: 624 return MMSYSERR_NOTSUPPORTED; 625 #endif 626 627 case ACMDM_HARDWARE_WAVE_CAPS_INPUT: 628 case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT: 629 /* this converter is not a hardware driver */ 630 case ACMDM_FILTERTAG_DETAILS: 631 case ACMDM_FILTER_DETAILS: 632 /* this converter is not a filter */ 633 case ACMDM_STREAM_RESET: 634 /* only needed for asynchronous driver... we aren't, so just say it */ 635 return MMSYSERR_NOTSUPPORTED; 636 case ACMDM_STREAM_PREPARE: 637 case ACMDM_STREAM_UNPREPARE: 638 /* nothing special to do here... so don't do anything */ 639 return MMSYSERR_NOERROR; 640 641 default: 642 return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2); 643 } 644 } 645