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