audio/fmodaudio.c

   1 /*
   2  * QEMU FMOD audio driver
   3  *
   4  * Copyright (c) 2004-2005 Vassili Karpov (malc)
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <fmod.h>
  25 #include <fmod_errors.h>
  26 #include "qemu-common.h"
  27 #include "audio.h"
  28
  29 #define AUDIO_CAP "fmod"
  30 #include "audio_int.h"
  31
  32 typedef struct FMODVoiceOut {
  33     HWVoiceOut hw;
  34     unsigned int old_pos;
  35     FSOUND_SAMPLE *fmod_sample;
  36     int channel;
  37 } FMODVoiceOut;
  38
  39 typedef struct FMODVoiceIn {
  40     HWVoiceIn hw;
  41     FSOUND_SAMPLE *fmod_sample;
  42 } FMODVoiceIn;
  43
  44 static struct {
  45     const char *drvname;
  46     int nb_samples;
  47     int freq;
  48     int nb_channels;
  49     int bufsize;
  50     int threshold;
  51     int broken_adc;
  52 } conf = {
  53     .nb_samples  = 2048 * 2,
  54     .freq        = 44100,
  55     .nb_channels = 2,
  56 };
  57
  58 static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt, ...)
  59 {
  60     va_list ap;
  61
  62     va_start (ap, fmt);
  63     AUD_vlog (AUDIO_CAP, fmt, ap);
  64     va_end (ap);
  65
  66     AUD_log (AUDIO_CAP, "Reason: %s\n",
  67              FMOD_ErrorString (FSOUND_GetError ()));
  68 }
  69
  70 static void GCC_FMT_ATTR (2, 3) fmod_logerr2 (
  71     const char *typ,
  72     const char *fmt,
  73     ...
  74     )
  75 {
  76     va_list ap;
  77
  78     AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
  79
  80     va_start (ap, fmt);
  81     AUD_vlog (AUDIO_CAP, fmt, ap);
  82     va_end (ap);
  83
  84     AUD_log (AUDIO_CAP, "Reason: %s\n",
  85              FMOD_ErrorString (FSOUND_GetError ()));
  86 }
  87
  88 static int fmod_write (SWVoiceOut *sw, void *buf, int len)
  89 {
  90     return audio_pcm_sw_write (sw, buf, len);
  91 }
  92
  93 static void fmod_clear_sample (FMODVoiceOut *fmd)
  94 {
  95     HWVoiceOut *hw = &fmd->hw;
  96     int status;
  97     void *p1 = 0, *p2 = 0;
  98     unsigned int len1 = 0, len2 = 0;
  99
 100     status = FSOUND_Sample_Lock (
 101         fmd->fmod_sample,
 102         0,
 103         hw->samples << hw->info.shift,
 104         &p1,
 105         &p2,
 106         &len1,
 107         &len2
 108         );
 109
 110     if (!status) {
 111         fmod_logerr ("Failed to lock sample\n");
 112         return;
 113     }
 114
 115     if ((len1 & hw->info.align) || (len2 & hw->info.align)) {
 116         dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
 117                len1, len2, hw->info.align + 1);
 118         goto fail;
 119     }
 120
 121     if ((len1 + len2) - (hw->samples << hw->info.shift)) {
 122         dolog ("Lock returned incomplete length %d, %d\n",
 123                len1 + len2, hw->samples << hw->info.shift);
 124         goto fail;
 125     }
 126
 127     audio_pcm_info_clear_buf (&hw->info, p1, hw->samples);
 128
 129  fail:
 130     status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2);
 131     if (!status) {
 132         fmod_logerr ("Failed to unlock sample\n");
 133     }
 134 }
 135
 136 static void fmod_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)
 137 {
 138     int src_len1 = dst_len;
 139     int src_len2 = 0;
 140     int pos = hw->rpos + dst_len;
 141     struct st_sample *src1 = hw->mix_buf + hw->rpos;
 142     struct st_sample *src2 = NULL;
 143
 144     if (pos > hw->samples) {
 145         src_len1 = hw->samples - hw->rpos;
 146         src2 = hw->mix_buf;
 147         src_len2 = dst_len - src_len1;
 148         pos = src_len2;
 149     }
 150
 151     if (src_len1) {
 152         hw->clip (dst, src1, src_len1);
 153     }
 154
 155     if (src_len2) {
 156         dst = advance (dst, src_len1 << hw->info.shift);
 157         hw->clip (dst, src2, src_len2);
 158     }
 159
 160     hw->rpos = pos % hw->samples;
 161 }
 162
 163 static int fmod_unlock_sample (FSOUND_SAMPLE *sample, void *p1, void *p2,
 164                                unsigned int blen1, unsigned int blen2)
 165 {
 166     int status = FSOUND_Sample_Unlock (sample, p1, p2, blen1, blen2);
 167     if (!status) {
 168         fmod_logerr ("Failed to unlock sample\n");
 169         return -1;
 170     }
 171     return 0;
 172 }
 173
 174 static int fmod_lock_sample (
 175     FSOUND_SAMPLE *sample,
 176     struct audio_pcm_info *info,
 177     int pos,
 178     int len,
 179     void **p1,
 180     void **p2,
 181     unsigned int *blen1,
 182     unsigned int *blen2
 183     )
 184 {
 185     int status;
 186
 187     status = FSOUND_Sample_Lock (
 188         sample,
 189         pos << info->shift,
 190         len << info->shift,
 191         p1,
 192         p2,
 193         blen1,
 194         blen2
 195         );
 196
 197     if (!status) {
 198         fmod_logerr ("Failed to lock sample\n");
 199         return -1;
 200     }
 201
 202     if ((*blen1 & info->align) || (*blen2 & info->align)) {
 203         dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
 204                *blen1, *blen2, info->align + 1);
 205
 206         fmod_unlock_sample (sample, *p1, *p2, *blen1, *blen2);
 207
 208         *p1 = NULL - 1;
 209         *p2 = NULL - 1;
 210         *blen1 = ~0U;
 211         *blen2 = ~0U;
 212         return -1;
 213     }
 214
 215     if (!*p1 && *blen1) {
 216         dolog ("warning: !p1 && blen1=%d\n", *blen1);
 217         *blen1 = 0;
 218     }
 219
 220     if (!p2 && *blen2) {
 221         dolog ("warning: !p2 && blen2=%d\n", *blen2);
 222         *blen2 = 0;
 223     }
 224
 225     return 0;
 226 }
 227
 228 static int fmod_run_out (HWVoiceOut *hw)
 229 {
 230     FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
 231     int live, decr;
 232     void *p1 = 0, *p2 = 0;
 233     unsigned int blen1 = 0, blen2 = 0;
 234     unsigned int len1 = 0, len2 = 0;
 235     int nb_live;
 236
 237     live = audio_pcm_hw_get_live_out2 (hw, &nb_live);
 238     if (!live) {
 239         return 0;
 240     }
 241
 242     if (!hw->pending_disable
 243         && nb_live
 244         && (conf.threshold && live <= conf.threshold)) {
 245         ldebug ("live=%d nb_live=%d\n", live, nb_live);
 246         return 0;
 247     }
 248
 249     decr = live;
 250
 251     if (fmd->channel >= 0) {
 252         int len = decr;
 253         int old_pos = fmd->old_pos;
 254         int ppos = FSOUND_GetCurrentPosition (fmd->channel);
 255
 256         if (ppos == old_pos || !ppos) {
 257             return 0;
 258         }
 259
 260         if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
 261             len = ppos - old_pos;
 262         }
 263         else {
 264             if ((old_pos > ppos) && ((old_pos + len) > (ppos + hw->samples))) {
 265                 len = hw->samples - old_pos + ppos;
 266             }
 267         }
 268         decr = len;
 269
 270         if (audio_bug (AUDIO_FUNC, decr < 0)) {
 271             dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n",
 272                    decr, live, ppos, old_pos, len);
 273             return 0;
 274         }
 275     }
 276
 277
 278     if (!decr) {
 279         return 0;
 280     }
 281
 282     if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
 283                           fmd->old_pos, decr,
 284                           &p1, &p2,
 285                           &blen1, &blen2)) {
 286         return 0;
 287     }
 288
 289     len1 = blen1 >> hw->info.shift;
 290     len2 = blen2 >> hw->info.shift;
 291     ldebug ("%p %p %d %d %d %d\n", p1, p2, len1, len2, blen1, blen2);
 292     decr = len1 + len2;
 293
 294     if (p1 && len1) {
 295         fmod_write_sample (hw, p1, len1);
 296     }
 297
 298     if (p2 && len2) {
 299         fmod_write_sample (hw, p2, len2);
 300     }
 301
 302     fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2);
 303
 304     fmd->old_pos = (fmd->old_pos + decr) % hw->samples;
 305     return decr;
 306 }
 307
 308 static int aud_to_fmodfmt (audfmt_e fmt, int stereo)
 309 {
 310     int mode = FSOUND_LOOP_NORMAL;
 311
 312     switch (fmt) {
 313     case AUD_FMT_S8:
 314         mode |= FSOUND_SIGNED | FSOUND_8BITS;
 315         break;
 316
 317     case AUD_FMT_U8:
 318         mode |= FSOUND_UNSIGNED | FSOUND_8BITS;
 319         break;
 320
 321     case AUD_FMT_S16:
 322         mode |= FSOUND_SIGNED | FSOUND_16BITS;
 323         break;
 324
 325     case AUD_FMT_U16:
 326         mode |= FSOUND_UNSIGNED | FSOUND_16BITS;
 327         break;
 328
 329     default:
 330         dolog ("Internal logic error: Bad audio format %d\n", fmt);
 331 #ifdef DEBUG_FMOD
 332         abort ();
 333 #endif
 334         mode |= FSOUND_8BITS;
 335     }
 336     mode |= stereo ? FSOUND_STEREO : FSOUND_MONO;
 337     return mode;
 338 }
 339
 340 static void fmod_fini_out (HWVoiceOut *hw)
 341 {
 342     FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
 343
 344     if (fmd->fmod_sample) {
 345         FSOUND_Sample_Free (fmd->fmod_sample);
 346         fmd->fmod_sample = 0;
 347
 348         if (fmd->channel >= 0) {
 349             FSOUND_StopSound (fmd->channel);
 350         }
 351     }
 352 }
 353
 354 static int fmod_init_out (HWVoiceOut *hw, struct audsettings *as)
 355 {
 356     int bits16, mode, channel;
 357     FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
 358     struct audsettings obt_as = *as;
 359
 360     mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0);
 361     fmd->fmod_sample = FSOUND_Sample_Alloc (
 362         FSOUND_FREE,            /* index */
 363         conf.nb_samples,        /* length */
 364         mode,                   /* mode */
 365         as->freq,               /* freq */
 366         255,                    /* volume */
 367         128,                    /* pan */
 368         255                     /* priority */
 369         );
 370
 371     if (!fmd->fmod_sample) {
 372         fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n");
 373         return -1;
 374     }
 375
 376     channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1);
 377     if (channel < 0) {
 378         fmod_logerr2 ("DAC", "Failed to start playing sound\n");
 379         FSOUND_Sample_Free (fmd->fmod_sample);
 380         return -1;
 381     }
 382     fmd->channel = channel;
 383
 384     /* FMOD always operates on little endian frames? */
 385     obt_as.endianness = 0;
 386     audio_pcm_init_info (&hw->info, &obt_as);
 387     bits16 = (mode & FSOUND_16BITS) != 0;
 388     hw->samples = conf.nb_samples;
 389     return 0;
 390 }
 391
 392 static int fmod_ctl_out (HWVoiceOut *hw, int cmd, ...)
 393 {
 394     int status;
 395     FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
 396
 397     switch (cmd) {
 398     case VOICE_ENABLE:
 399         fmod_clear_sample (fmd);
 400         status = FSOUND_SetPaused (fmd->channel, 0);
 401         if (!status) {
 402             fmod_logerr ("Failed to resume channel %d\n", fmd->channel);
 403         }
 404         break;
 405
 406     case VOICE_DISABLE:
 407         status = FSOUND_SetPaused (fmd->channel, 1);
 408         if (!status) {
 409             fmod_logerr ("Failed to pause channel %d\n", fmd->channel);
 410         }
 411         break;
 412     }
 413     return 0;
 414 }
 415
 416 static int fmod_init_in (HWVoiceIn *hw, struct audsettings *as)
 417 {
 418     int bits16, mode;
 419     FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
 420     struct audsettings obt_as = *as;
 421
 422     if (conf.broken_adc) {
 423         return -1;
 424     }
 425
 426     mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0);
 427     fmd->fmod_sample = FSOUND_Sample_Alloc (
 428         FSOUND_FREE,            /* index */
 429         conf.nb_samples,        /* length */
 430         mode,                   /* mode */
 431         as->freq,               /* freq */
 432         255,                    /* volume */
 433         128,                    /* pan */
 434         255                     /* priority */
 435         );
 436
 437     if (!fmd->fmod_sample) {
 438         fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n");
 439         return -1;
 440     }
 441
 442     /* FMOD always operates on little endian frames? */
 443     obt_as.endianness = 0;
 444     audio_pcm_init_info (&hw->info, &obt_as);
 445     bits16 = (mode & FSOUND_16BITS) != 0;
 446     hw->samples = conf.nb_samples;
 447     return 0;
 448 }
 449
 450 static void fmod_fini_in (HWVoiceIn *hw)
 451 {
 452     FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
 453
 454     if (fmd->fmod_sample) {
 455         FSOUND_Record_Stop ();
 456         FSOUND_Sample_Free (fmd->fmod_sample);
 457         fmd->fmod_sample = 0;
 458     }
 459 }
 460
 461 static int fmod_run_in (HWVoiceIn *hw)
 462 {
 463     FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
 464     int hwshift = hw->info.shift;
 465     int live, dead, new_pos, len;
 466     unsigned int blen1 = 0, blen2 = 0;
 467     unsigned int len1, len2;
 468     unsigned int decr;
 469     void *p1, *p2;
 470
 471     live = audio_pcm_hw_get_live_in (hw);
 472     dead = hw->samples - live;
 473     if (!dead) {
 474         return 0;
 475     }
 476
 477     new_pos = FSOUND_Record_GetPosition ();
 478     if (new_pos < 0) {
 479         fmod_logerr ("Could not get recording position\n");
 480         return 0;
 481     }
 482
 483     len = audio_ring_dist (new_pos,  hw->wpos, hw->samples);
 484     if (!len) {
 485         return 0;
 486     }
 487     len = audio_MIN (len, dead);
 488
 489     if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
 490                           hw->wpos, len,
 491                           &p1, &p2,
 492                           &blen1, &blen2)) {
 493         return 0;
 494     }
 495
 496     len1 = blen1 >> hwshift;
 497     len2 = blen2 >> hwshift;
 498     decr = len1 + len2;
 499
 500     if (p1 && blen1) {
 501         hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume);
 502     }
 503     if (p2 && len2) {
 504         hw->conv (hw->conv_buf, p2, len2, &nominal_volume);
 505     }
 506
 507     fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2);
 508     hw->wpos = (hw->wpos + decr) % hw->samples;
 509     return decr;
 510 }
 511
 512 static struct {
 513     const char *name;
 514     int type;
 515 } drvtab[] = {
 516     { .name = "none",   .type = FSOUND_OUTPUT_NOSOUND },
 517 #ifdef _WIN32
 518     { .name = "winmm",  .type = FSOUND_OUTPUT_WINMM   },
 519     { .name = "dsound", .type = FSOUND_OUTPUT_DSOUND  },
 520     { .name = "a3d",    .type = FSOUND_OUTPUT_A3D     },
 521     { .name = "asio",   .type = FSOUND_OUTPUT_ASIO    },
 522 #endif
 523 #ifdef __linux__
 524     { .name = "oss",    .type = FSOUND_OUTPUT_OSS     },
 525     { .name = "alsa",   .type = FSOUND_OUTPUT_ALSA    },
 526     { .name = "esd",    .type = FSOUND_OUTPUT_ESD     },
 527 #endif
 528 #ifdef __APPLE__
 529     { .name = "mac",    .type = FSOUND_OUTPUT_MAC     },
 530 #endif
 531 #if 0
 532     { .name = "xbox",   .type = FSOUND_OUTPUT_XBOX    },
 533     { .name = "ps2",    .type = FSOUND_OUTPUT_PS2     },
 534     { .name = "gcube",  .type = FSOUND_OUTPUT_GC      },
 535 #endif
 536     { .name = "none-realtime", .type = FSOUND_OUTPUT_NOSOUND_NONREALTIME }
 537 };
 538
 539 static void *fmod_audio_init (void)
 540 {
 541     size_t i;
 542     double ver;
 543     int status;
 544     int output_type = -1;
 545     const char *drv = conf.drvname;
 546
 547     ver = FSOUND_GetVersion ();
 548     if (ver < FMOD_VERSION) {
 549         dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION);
 550         return NULL;
 551     }
 552
 553 #ifdef __linux__
 554     if (ver < 3.75) {
 555         dolog ("FMOD before 3.75 has bug preventing ADC from working\n"
 556                "ADC will be disabled.\n");
 557         conf.broken_adc = 1;
 558     }
 559 #endif
 560
 561     if (drv) {
 562         int found = 0;
 563         for (i = 0; i < ARRAY_SIZE (drvtab); i++) {
 564             if (!strcmp (drv, drvtab[i].name)) {
 565                 output_type = drvtab[i].type;
 566                 found = 1;
 567                 break;
 568             }
 569         }
 570         if (!found) {
 571             dolog ("Unknown FMOD driver `%s'\n", drv);
 572             dolog ("Valid drivers:\n");
 573             for (i = 0; i < ARRAY_SIZE (drvtab); i++) {
 574                 dolog ("  %s\n", drvtab[i].name);
 575             }
 576         }
 577     }
 578
 579     if (output_type != -1) {
 580         status = FSOUND_SetOutput (output_type);
 581         if (!status) {
 582             fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type);
 583             return NULL;
 584         }
 585     }
 586
 587     if (conf.bufsize) {
 588         status = FSOUND_SetBufferSize (conf.bufsize);
 589         if (!status) {
 590             fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf.bufsize);
 591         }
 592     }
 593
 594     status = FSOUND_Init (conf.freq, conf.nb_channels, 0);
 595     if (!status) {
 596         fmod_logerr ("FSOUND_Init failed\n");
 597         return NULL;
 598     }
 599
 600     return &conf;
 601 }
 602
 603 static int fmod_read (SWVoiceIn *sw, void *buf, int size)
 604 {
 605     return audio_pcm_sw_read (sw, buf, size);
 606 }
 607
 608 static int fmod_ctl_in (HWVoiceIn *hw, int cmd, ...)
 609 {
 610     int status;
 611     FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
 612
 613     switch (cmd) {
 614     case VOICE_ENABLE:
 615         status = FSOUND_Record_StartSample (fmd->fmod_sample, 1);
 616         if (!status) {
 617             fmod_logerr ("Failed to start recording\n");
 618         }
 619         break;
 620
 621     case VOICE_DISABLE:
 622         status = FSOUND_Record_Stop ();
 623         if (!status) {
 624             fmod_logerr ("Failed to stop recording\n");
 625         }
 626         break;
 627     }
 628     return 0;
 629 }
 630
 631 static void fmod_audio_fini (void *opaque)
 632 {
 633     (void) opaque;
 634     FSOUND_Close ();
 635 }
 636
 637 static struct audio_option fmod_options[] = {
 638     {
 639         .name  = "DRV",
 640         .tag   = AUD_OPT_STR,
 641         .valp  = &conf.drvname,
 642         .descr = "FMOD driver"
 643     },
 644     {
 645         .name  = "FREQ",
 646         .tag   = AUD_OPT_INT,
 647         .valp  = &conf.freq,
 648         .descr = "Default frequency"
 649     },
 650     {
 651         .name  = "SAMPLES",
 652         .tag   = AUD_OPT_INT,
 653         .valp  = &conf.nb_samples,
 654         .descr = "Buffer size in samples"
 655     },
 656     {
 657         .name  = "CHANNELS",
 658         .tag   = AUD_OPT_INT,
 659         .valp  = &conf.nb_channels,
 660         .descr = "Number of default channels (1 - mono, 2 - stereo)"
 661     },
 662     {
 663         .name  = "BUFSIZE",
 664         .tag   = AUD_OPT_INT,
 665         .valp  = &conf.bufsize,
 666         .descr = "(undocumented)"
 667     }
 668 #if 0
 669     {
 670         .name  = "THRESHOLD",
 671         .tag   = AUD_OPT_INT,
 672         .valp  = &conf.threshold,
 673         .descr = "(undocumented)"
 674     }
 675 #endif
 676     { /* End of list */ }
 677 };
 678
 679 static struct audio_pcm_ops fmod_pcm_ops = {
 680     .init_out = fmod_init_out,
 681     .fini_out = fmod_fini_out,
 682     .run_out  = fmod_run_out,
 683     .write    = fmod_write,
 684     .ctl_out  = fmod_ctl_out,
 685
 686     .init_in  = fmod_init_in,
 687     .fini_in  = fmod_fini_in,
 688     .run_in   = fmod_run_in,
 689     .read     = fmod_read,
 690     .ctl_in   = fmod_ctl_in
 691 };
 692
 693 struct audio_driver fmod_audio_driver = {
 694     .name           = "fmod",
 695     .descr          = "FMOD 3.xx http://www.fmod.org",
 696     .options        = fmod_options,
 697     .init           = fmod_audio_init,
 698     .fini           = fmod_audio_fini,
 699     .pcm_ops        = &fmod_pcm_ops,
 700     .can_be_default = 1,
 701     .max_voices_out = INT_MAX,
 702     .max_voices_in  = INT_MAX,
 703     .voice_size_out = sizeof (FMODVoiceOut),
 704     .voice_size_in  = sizeof (FMODVoiceIn)
 705 };