2 * QEMU FMOD audio driver
4 * Copyright (c) 2004-2005 Vassili Karpov (malc)
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
25 #include <fmod_errors.h>
28 #define AUDIO_CAP "fmod"
29 #include "audio_int.h"
31 typedef struct FMODVoiceOut
{
34 FSOUND_SAMPLE
*fmod_sample
;
38 typedef struct FMODVoiceIn
{
40 FSOUND_SAMPLE
*fmod_sample
;
61 static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt
, ...)
66 AUD_vlog (AUDIO_CAP
, fmt
, ap
);
69 AUD_log (AUDIO_CAP
, "Reason: %s\n",
70 FMOD_ErrorString (FSOUND_GetError ()));
73 static void GCC_FMT_ATTR (2, 3) fmod_logerr2 (
81 AUD_log (AUDIO_CAP
, "Could not initialize %s\n", typ
);
84 AUD_vlog (AUDIO_CAP
, fmt
, ap
);
87 AUD_log (AUDIO_CAP
, "Reason: %s\n",
88 FMOD_ErrorString (FSOUND_GetError ()));
91 static int fmod_write (SWVoiceOut
*sw
, void *buf
, int len
)
93 return audio_pcm_sw_write (sw
, buf
, len
);
96 static void fmod_clear_sample (FMODVoiceOut
*fmd
)
98 HWVoiceOut
*hw
= &fmd
->hw
;
100 void *p1
= 0, *p2
= 0;
101 unsigned int len1
= 0, len2
= 0;
103 status
= FSOUND_Sample_Lock (
106 hw
->samples
<< hw
->info
.shift
,
114 fmod_logerr ("Failed to lock sample\n");
118 if ((len1
& hw
->info
.align
) || (len2
& hw
->info
.align
)) {
119 dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
120 len1
, len2
, hw
->info
.align
+ 1);
124 if ((len1
+ len2
) - (hw
->samples
<< hw
->info
.shift
)) {
125 dolog ("Lock returned incomplete length %d, %d\n",
126 len1
+ len2
, hw
->samples
<< hw
->info
.shift
);
130 audio_pcm_info_clear_buf (&hw
->info
, p1
, hw
->samples
);
133 status
= FSOUND_Sample_Unlock (fmd
->fmod_sample
, p1
, p2
, len1
, len2
);
135 fmod_logerr ("Failed to unlock sample\n");
139 static void fmod_write_sample (HWVoiceOut
*hw
, uint8_t *dst
, int dst_len
)
141 int src_len1
= dst_len
;
143 int pos
= hw
->rpos
+ dst_len
;
144 st_sample_t
*src1
= hw
->mix_buf
+ hw
->rpos
;
145 st_sample_t
*src2
= NULL
;
147 if (pos
> hw
->samples
) {
148 src_len1
= hw
->samples
- hw
->rpos
;
150 src_len2
= dst_len
- src_len1
;
155 hw
->clip (dst
, src1
, src_len1
);
159 dst
= advance (dst
, src_len1
<< hw
->info
.shift
);
160 hw
->clip (dst
, src2
, src_len2
);
163 hw
->rpos
= pos
% hw
->samples
;
166 static int fmod_unlock_sample (FSOUND_SAMPLE
*sample
, void *p1
, void *p2
,
167 unsigned int blen1
, unsigned int blen2
)
169 int status
= FSOUND_Sample_Unlock (sample
, p1
, p2
, blen1
, blen2
);
171 fmod_logerr ("Failed to unlock sample\n");
177 static int fmod_lock_sample (
178 FSOUND_SAMPLE
*sample
,
179 struct audio_pcm_info
*info
,
190 status
= FSOUND_Sample_Lock (
201 fmod_logerr ("Failed to lock sample\n");
205 if ((*blen1
& info
->align
) || (*blen2
& info
->align
)) {
206 dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
207 *blen1
, *blen2
, info
->align
+ 1);
209 fmod_unlock_sample (sample
, *p1
, *p2
, *blen1
, *blen2
);
218 if (!*p1
&& *blen1
) {
219 dolog ("warning: !p1 && blen1=%d\n", *blen1
);
224 dolog ("warning: !p2 && blen2=%d\n", *blen2
);
231 static int fmod_run_out (HWVoiceOut
*hw
)
233 FMODVoiceOut
*fmd
= (FMODVoiceOut
*) hw
;
235 void *p1
= 0, *p2
= 0;
236 unsigned int blen1
= 0, blen2
= 0;
237 unsigned int len1
= 0, len2
= 0;
240 live
= audio_pcm_hw_get_live_out2 (hw
, &nb_live
);
245 if (!hw
->pending_disable
247 && (conf
.threshold
&& live
<= conf
.threshold
)) {
248 ldebug ("live=%d nb_live=%d\n", live
, nb_live
);
254 if (fmd
->channel
>= 0) {
256 int old_pos
= fmd
->old_pos
;
257 int ppos
= FSOUND_GetCurrentPosition (fmd
->channel
);
259 if (ppos
== old_pos
|| !ppos
) {
263 if ((old_pos
< ppos
) && ((old_pos
+ len
) > ppos
)) {
264 len
= ppos
- old_pos
;
267 if ((old_pos
> ppos
) && ((old_pos
+ len
) > (ppos
+ hw
->samples
))) {
268 len
= hw
->samples
- old_pos
+ ppos
;
273 if (audio_bug (AUDIO_FUNC
, decr
< 0)) {
274 dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n",
275 decr
, live
, ppos
, old_pos
, len
);
285 if (fmod_lock_sample (fmd
->fmod_sample
, &fmd
->hw
.info
,
292 len1
= blen1
>> hw
->info
.shift
;
293 len2
= blen2
>> hw
->info
.shift
;
294 ldebug ("%p %p %d %d %d %d\n", p1
, p2
, len1
, len2
, blen1
, blen2
);
298 fmod_write_sample (hw
, p1
, len1
);
302 fmod_write_sample (hw
, p2
, len2
);
305 fmod_unlock_sample (fmd
->fmod_sample
, p1
, p2
, blen1
, blen2
);
307 fmd
->old_pos
= (fmd
->old_pos
+ decr
) % hw
->samples
;
311 static int aud_to_fmodfmt (audfmt_e fmt
, int stereo
)
313 int mode
= FSOUND_LOOP_NORMAL
;
317 mode
|= FSOUND_SIGNED
| FSOUND_8BITS
;
321 mode
|= FSOUND_UNSIGNED
| FSOUND_8BITS
;
325 mode
|= FSOUND_SIGNED
| FSOUND_16BITS
;
329 mode
|= FSOUND_UNSIGNED
| FSOUND_16BITS
;
333 dolog ("Internal logic error: Bad audio format %d\n", fmt
);
337 mode
|= FSOUND_8BITS
;
339 mode
|= stereo
? FSOUND_STEREO
: FSOUND_MONO
;
343 static void fmod_fini_out (HWVoiceOut
*hw
)
345 FMODVoiceOut
*fmd
= (FMODVoiceOut
*) hw
;
347 if (fmd
->fmod_sample
) {
348 FSOUND_Sample_Free (fmd
->fmod_sample
);
349 fmd
->fmod_sample
= 0;
351 if (fmd
->channel
>= 0) {
352 FSOUND_StopSound (fmd
->channel
);
357 static int fmod_init_out (HWVoiceOut
*hw
, audsettings_t
*as
)
359 int bits16
, mode
, channel
;
360 FMODVoiceOut
*fmd
= (FMODVoiceOut
*) hw
;
361 audsettings_t obt_as
= *as
;
363 mode
= aud_to_fmodfmt (as
->fmt
, as
->nchannels
== 2 ? 1 : 0);
364 fmd
->fmod_sample
= FSOUND_Sample_Alloc (
365 FSOUND_FREE
, /* index */
366 conf
.nb_samples
, /* length */
374 if (!fmd
->fmod_sample
) {
375 fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n");
379 channel
= FSOUND_PlaySoundEx (FSOUND_FREE
, fmd
->fmod_sample
, 0, 1);
381 fmod_logerr2 ("DAC", "Failed to start playing sound\n");
382 FSOUND_Sample_Free (fmd
->fmod_sample
);
385 fmd
->channel
= channel
;
387 /* FMOD always operates on little endian frames? */
388 obt_as
.endianness
= 0;
389 audio_pcm_init_info (&hw
->info
, &obt_as
);
390 bits16
= (mode
& FSOUND_16BITS
) != 0;
391 hw
->samples
= conf
.nb_samples
;
395 static int fmod_ctl_out (HWVoiceOut
*hw
, int cmd
, ...)
398 FMODVoiceOut
*fmd
= (FMODVoiceOut
*) hw
;
402 fmod_clear_sample (fmd
);
403 status
= FSOUND_SetPaused (fmd
->channel
, 0);
405 fmod_logerr ("Failed to resume channel %d\n", fmd
->channel
);
410 status
= FSOUND_SetPaused (fmd
->channel
, 1);
412 fmod_logerr ("Failed to pause channel %d\n", fmd
->channel
);
419 static int fmod_init_in (HWVoiceIn
*hw
, audsettings_t
*as
)
422 FMODVoiceIn
*fmd
= (FMODVoiceIn
*) hw
;
423 audsettings_t obt_as
= *as
;
425 if (conf
.broken_adc
) {
429 mode
= aud_to_fmodfmt (as
->fmt
, as
->nchannels
== 2 ? 1 : 0);
430 fmd
->fmod_sample
= FSOUND_Sample_Alloc (
431 FSOUND_FREE
, /* index */
432 conf
.nb_samples
, /* length */
440 if (!fmd
->fmod_sample
) {
441 fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n");
445 /* FMOD always operates on little endian frames? */
446 obt_as
.endianness
= 0;
447 audio_pcm_init_info (&hw
->info
, &obt_as
);
448 bits16
= (mode
& FSOUND_16BITS
) != 0;
449 hw
->samples
= conf
.nb_samples
;
453 static void fmod_fini_in (HWVoiceIn
*hw
)
455 FMODVoiceIn
*fmd
= (FMODVoiceIn
*) hw
;
457 if (fmd
->fmod_sample
) {
458 FSOUND_Record_Stop ();
459 FSOUND_Sample_Free (fmd
->fmod_sample
);
460 fmd
->fmod_sample
= 0;
464 static int fmod_run_in (HWVoiceIn
*hw
)
466 FMODVoiceIn
*fmd
= (FMODVoiceIn
*) hw
;
467 int hwshift
= hw
->info
.shift
;
468 int live
, dead
, new_pos
, len
;
469 unsigned int blen1
= 0, blen2
= 0;
470 unsigned int len1
, len2
;
474 live
= audio_pcm_hw_get_live_in (hw
);
475 dead
= hw
->samples
- live
;
480 new_pos
= FSOUND_Record_GetPosition ();
482 fmod_logerr ("Could not get recording position\n");
486 len
= audio_ring_dist (new_pos
, hw
->wpos
, hw
->samples
);
490 len
= audio_MIN (len
, dead
);
492 if (fmod_lock_sample (fmd
->fmod_sample
, &fmd
->hw
.info
,
499 len1
= blen1
>> hwshift
;
500 len2
= blen2
>> hwshift
;
504 hw
->conv (hw
->conv_buf
+ hw
->wpos
, p1
, len1
, &nominal_volume
);
507 hw
->conv (hw
->conv_buf
, p2
, len2
, &nominal_volume
);
510 fmod_unlock_sample (fmd
->fmod_sample
, p1
, p2
, blen1
, blen2
);
511 hw
->wpos
= (hw
->wpos
+ decr
) % hw
->samples
;
519 {"none", FSOUND_OUTPUT_NOSOUND
},
521 {"winmm", FSOUND_OUTPUT_WINMM
},
522 {"dsound", FSOUND_OUTPUT_DSOUND
},
523 {"a3d", FSOUND_OUTPUT_A3D
},
524 {"asio", FSOUND_OUTPUT_ASIO
},
527 {"oss", FSOUND_OUTPUT_OSS
},
528 {"alsa", FSOUND_OUTPUT_ALSA
},
529 {"esd", FSOUND_OUTPUT_ESD
},
532 {"mac", FSOUND_OUTPUT_MAC
},
535 {"xbox", FSOUND_OUTPUT_XBOX
},
536 {"ps2", FSOUND_OUTPUT_PS2
},
537 {"gcube", FSOUND_OUTPUT_GC
},
539 {"none-realtime", FSOUND_OUTPUT_NOSOUND_NONREALTIME
}
542 static void *fmod_audio_init (void)
547 int output_type
= -1;
548 const char *drv
= conf
.drvname
;
550 ver
= FSOUND_GetVersion ();
551 if (ver
< FMOD_VERSION
) {
552 dolog ("Wrong FMOD version %f, need at least %f\n", ver
, FMOD_VERSION
);
558 dolog ("FMOD before 3.75 has bug preventing ADC from working\n"
559 "ADC will be disabled.\n");
566 for (i
= 0; i
< sizeof (drvtab
) / sizeof (drvtab
[0]); i
++) {
567 if (!strcmp (drv
, drvtab
[i
].name
)) {
568 output_type
= drvtab
[i
].type
;
574 dolog ("Unknown FMOD driver `%s'\n", drv
);
575 dolog ("Valid drivers:\n");
576 for (i
= 0; i
< sizeof (drvtab
) / sizeof (drvtab
[0]); i
++) {
577 dolog (" %s\n", drvtab
[i
].name
);
582 if (output_type
!= -1) {
583 status
= FSOUND_SetOutput (output_type
);
585 fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type
);
591 status
= FSOUND_SetBufferSize (conf
.bufsize
);
593 fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf
.bufsize
);
597 status
= FSOUND_Init (conf
.freq
, conf
.nb_channels
, 0);
599 fmod_logerr ("FSOUND_Init failed\n");
606 static int fmod_read (SWVoiceIn
*sw
, void *buf
, int size
)
608 return audio_pcm_sw_read (sw
, buf
, size
);
611 static int fmod_ctl_in (HWVoiceIn
*hw
, int cmd
, ...)
614 FMODVoiceIn
*fmd
= (FMODVoiceIn
*) hw
;
618 status
= FSOUND_Record_StartSample (fmd
->fmod_sample
, 1);
620 fmod_logerr ("Failed to start recording\n");
625 status
= FSOUND_Record_Stop ();
627 fmod_logerr ("Failed to stop recording\n");
634 static void fmod_audio_fini (void *opaque
)
640 static struct audio_option fmod_options
[] = {
641 {"DRV", AUD_OPT_STR
, &conf
.drvname
,
642 "FMOD driver", NULL
, 0},
643 {"FREQ", AUD_OPT_INT
, &conf
.freq
,
644 "Default frequency", NULL
, 0},
645 {"SAMPLES", AUD_OPT_INT
, &conf
.nb_samples
,
646 "Buffer size in samples", NULL
, 0},
647 {"CHANNELS", AUD_OPT_INT
, &conf
.nb_channels
,
648 "Number of default channels (1 - mono, 2 - stereo)", NULL
, 0},
649 {"BUFSIZE", AUD_OPT_INT
, &conf
.bufsize
,
650 "(undocumented)", NULL
, 0},
652 {"THRESHOLD", AUD_OPT_INT
, &conf
.threshold
,
656 {NULL
, 0, NULL
, NULL
, NULL
, 0}
659 static struct audio_pcm_ops fmod_pcm_ops
= {
673 struct audio_driver fmod_audio_driver
= {
674 INIT_FIELD (name
= ) "fmod",
675 INIT_FIELD (descr
= ) "FMOD 3.xx http://www.fmod.org",
676 INIT_FIELD (options
= ) fmod_options
,
677 INIT_FIELD (init
= ) fmod_audio_init
,
678 INIT_FIELD (fini
= ) fmod_audio_fini
,
679 INIT_FIELD (pcm_ops
= ) &fmod_pcm_ops
,
680 INIT_FIELD (can_be_default
= ) 1,
681 INIT_FIELD (max_voices_out
= ) INT_MAX
,
682 INIT_FIELD (max_voices_in
= ) INT_MAX
,
683 INIT_FIELD (voice_size_out
= ) sizeof (FMODVoiceOut
),
684 INIT_FIELD (voice_size_in
= ) sizeof (FMODVoiceIn
)