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/*
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* QEMU FMOD audio driver
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*
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* Copyright (c) 2004-2005 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <fmod.h> |
25 |
#include <fmod_errors.h> |
26 |
#include "vl.h" |
27 |
|
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#define AUDIO_CAP "fmod" |
29 |
#include "audio_int.h" |
30 |
|
31 |
typedef struct FMODVoiceOut { |
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HWVoiceOut hw; |
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unsigned int old_pos; |
34 |
FSOUND_SAMPLE *fmod_sample; |
35 |
int channel;
|
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} FMODVoiceOut; |
37 |
|
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typedef struct FMODVoiceIn { |
39 |
HWVoiceIn hw; |
40 |
FSOUND_SAMPLE *fmod_sample; |
41 |
} FMODVoiceIn; |
42 |
|
43 |
static struct { |
44 |
const char *drvname; |
45 |
int nb_samples;
|
46 |
int freq;
|
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int nb_channels;
|
48 |
int bufsize;
|
49 |
int threshold;
|
50 |
int broken_adc;
|
51 |
} conf = { |
52 |
NULL,
|
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2048 * 2, |
54 |
44100,
|
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2,
|
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0,
|
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0,
|
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0
|
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}; |
60 |
|
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static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt, ...) |
62 |
{ |
63 |
va_list ap; |
64 |
|
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va_start (ap, fmt); |
66 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
67 |
va_end (ap); |
68 |
|
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AUD_log (AUDIO_CAP, "Reason: %s\n",
|
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FMOD_ErrorString (FSOUND_GetError ())); |
71 |
} |
72 |
|
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static void GCC_FMT_ATTR (2, 3) fmod_logerr2 ( |
74 |
const char *typ, |
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const char *fmt, |
76 |
... |
77 |
) |
78 |
{ |
79 |
va_list ap; |
80 |
|
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AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
|
82 |
|
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va_start (ap, fmt); |
84 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
85 |
va_end (ap); |
86 |
|
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AUD_log (AUDIO_CAP, "Reason: %s\n",
|
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FMOD_ErrorString (FSOUND_GetError ())); |
89 |
} |
90 |
|
91 |
static int fmod_write (SWVoiceOut *sw, void *buf, int len) |
92 |
{ |
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return audio_pcm_sw_write (sw, buf, len);
|
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} |
95 |
|
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static void fmod_clear_sample (FMODVoiceOut *fmd) |
97 |
{ |
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HWVoiceOut *hw = &fmd->hw; |
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int status;
|
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void *p1 = 0, *p2 = 0; |
101 |
unsigned int len1 = 0, len2 = 0; |
102 |
|
103 |
status = FSOUND_Sample_Lock ( |
104 |
fmd->fmod_sample, |
105 |
0,
|
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hw->samples << hw->info.shift, |
107 |
&p1, |
108 |
&p2, |
109 |
&len1, |
110 |
&len2 |
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); |
112 |
|
113 |
if (!status) {
|
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fmod_logerr ("Failed to lock sample\n");
|
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return;
|
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} |
117 |
|
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if ((len1 & hw->info.align) || (len2 & hw->info.align)) {
|
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dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
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len1, len2, hw->info.align + 1);
|
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goto fail;
|
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} |
123 |
|
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if ((len1 + len2) - (hw->samples << hw->info.shift)) {
|
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dolog ("Lock returned incomplete length %d, %d\n",
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len1 + len2, hw->samples << hw->info.shift); |
127 |
goto fail;
|
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} |
129 |
|
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audio_pcm_info_clear_buf (&hw->info, p1, hw->samples); |
131 |
|
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fail:
|
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status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2); |
134 |
if (!status) {
|
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fmod_logerr ("Failed to unlock sample\n");
|
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} |
137 |
} |
138 |
|
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static void fmod_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) |
140 |
{ |
141 |
int src_len1 = dst_len;
|
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int src_len2 = 0; |
143 |
int pos = hw->rpos + dst_len;
|
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st_sample_t *src1 = hw->mix_buf + hw->rpos; |
145 |
st_sample_t *src2 = NULL;
|
146 |
|
147 |
if (pos > hw->samples) {
|
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src_len1 = hw->samples - hw->rpos; |
149 |
src2 = hw->mix_buf; |
150 |
src_len2 = dst_len - src_len1; |
151 |
pos = src_len2; |
152 |
} |
153 |
|
154 |
if (src_len1) {
|
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hw->clip (dst, src1, src_len1); |
156 |
} |
157 |
|
158 |
if (src_len2) {
|
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dst = advance (dst, src_len1 << hw->info.shift); |
160 |
hw->clip (dst, src2, src_len2); |
161 |
} |
162 |
|
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hw->rpos = pos % hw->samples; |
164 |
} |
165 |
|
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static int fmod_unlock_sample (FSOUND_SAMPLE *sample, void *p1, void *p2, |
167 |
unsigned int blen1, unsigned int blen2) |
168 |
{ |
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int status = FSOUND_Sample_Unlock (sample, p1, p2, blen1, blen2);
|
170 |
if (!status) {
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fmod_logerr ("Failed to unlock sample\n");
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return -1; |
173 |
} |
174 |
return 0; |
175 |
} |
176 |
|
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static int fmod_lock_sample ( |
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FSOUND_SAMPLE *sample, |
179 |
struct audio_pcm_info *info,
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int pos,
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int len,
|
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void **p1,
|
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void **p2,
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unsigned int *blen1, |
185 |
unsigned int *blen2 |
186 |
) |
187 |
{ |
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int status;
|
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|
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status = FSOUND_Sample_Lock ( |
191 |
sample, |
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pos << info->shift, |
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len << info->shift, |
194 |
p1, |
195 |
p2, |
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blen1, |
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blen2 |
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); |
199 |
|
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if (!status) {
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fmod_logerr ("Failed to lock sample\n");
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return -1; |
203 |
} |
204 |
|
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if ((*blen1 & info->align) || (*blen2 & info->align)) {
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dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
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*blen1, *blen2, info->align + 1);
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|
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fmod_unlock_sample (sample, *p1, *p2, *blen1, *blen2); |
210 |
|
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*p1 = NULL - 1; |
212 |
*p2 = NULL - 1; |
213 |
*blen1 = ~0U;
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*blen2 = ~0U;
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return -1; |
216 |
} |
217 |
|
218 |
if (!*p1 && *blen1) {
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dolog ("warning: !p1 && blen1=%d\n", *blen1);
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*blen1 = 0;
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} |
222 |
|
223 |
if (!p2 && *blen2) {
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dolog ("warning: !p2 && blen2=%d\n", *blen2);
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*blen2 = 0;
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} |
227 |
|
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return 0; |
229 |
} |
230 |
|
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static int fmod_run_out (HWVoiceOut *hw) |
232 |
{ |
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FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
234 |
int live, decr;
|
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void *p1 = 0, *p2 = 0; |
236 |
unsigned int blen1 = 0, blen2 = 0; |
237 |
unsigned int len1 = 0, len2 = 0; |
238 |
int nb_live;
|
239 |
|
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live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
241 |
if (!live) {
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return 0; |
243 |
} |
244 |
|
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if (!hw->pending_disable
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&& nb_live |
247 |
&& (conf.threshold && live <= conf.threshold)) { |
248 |
ldebug ("live=%d nb_live=%d\n", live, nb_live);
|
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return 0; |
250 |
} |
251 |
|
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decr = live; |
253 |
|
254 |
if (fmd->channel >= 0) { |
255 |
int len = decr;
|
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int old_pos = fmd->old_pos;
|
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int ppos = FSOUND_GetCurrentPosition (fmd->channel);
|
258 |
|
259 |
if (ppos == old_pos || !ppos) {
|
260 |
return 0; |
261 |
} |
262 |
|
263 |
if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
|
264 |
len = ppos - old_pos; |
265 |
} |
266 |
else {
|
267 |
if ((old_pos > ppos) && ((old_pos + len) > (ppos + hw->samples))) {
|
268 |
len = hw->samples - old_pos + ppos; |
269 |
} |
270 |
} |
271 |
decr = len; |
272 |
|
273 |
if (audio_bug (AUDIO_FUNC, decr < 0)) { |
274 |
dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n",
|
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decr, live, ppos, old_pos, len); |
276 |
return 0; |
277 |
} |
278 |
} |
279 |
|
280 |
|
281 |
if (!decr) {
|
282 |
return 0; |
283 |
} |
284 |
|
285 |
if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
|
286 |
fmd->old_pos, decr, |
287 |
&p1, &p2, |
288 |
&blen1, &blen2)) { |
289 |
return 0; |
290 |
} |
291 |
|
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);
|
295 |
decr = len1 + len2; |
296 |
|
297 |
if (p1 && len1) {
|
298 |
fmod_write_sample (hw, p1, len1); |
299 |
} |
300 |
|
301 |
if (p2 && len2) {
|
302 |
fmod_write_sample (hw, p2, len2); |
303 |
} |
304 |
|
305 |
fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); |
306 |
|
307 |
fmd->old_pos = (fmd->old_pos + decr) % hw->samples; |
308 |
return decr;
|
309 |
} |
310 |
|
311 |
static int aud_to_fmodfmt (audfmt_e fmt, int stereo) |
312 |
{ |
313 |
int mode = FSOUND_LOOP_NORMAL;
|
314 |
|
315 |
switch (fmt) {
|
316 |
case AUD_FMT_S8:
|
317 |
mode |= FSOUND_SIGNED | FSOUND_8BITS; |
318 |
break;
|
319 |
|
320 |
case AUD_FMT_U8:
|
321 |
mode |= FSOUND_UNSIGNED | FSOUND_8BITS; |
322 |
break;
|
323 |
|
324 |
case AUD_FMT_S16:
|
325 |
mode |= FSOUND_SIGNED | FSOUND_16BITS; |
326 |
break;
|
327 |
|
328 |
case AUD_FMT_U16:
|
329 |
mode |= FSOUND_UNSIGNED | FSOUND_16BITS; |
330 |
break;
|
331 |
|
332 |
default:
|
333 |
dolog ("Internal logic error: Bad audio format %d\n", fmt);
|
334 |
#ifdef DEBUG_FMOD
|
335 |
abort (); |
336 |
#endif
|
337 |
mode |= FSOUND_8BITS; |
338 |
} |
339 |
mode |= stereo ? FSOUND_STEREO : FSOUND_MONO; |
340 |
return mode;
|
341 |
} |
342 |
|
343 |
static void fmod_fini_out (HWVoiceOut *hw) |
344 |
{ |
345 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
346 |
|
347 |
if (fmd->fmod_sample) {
|
348 |
FSOUND_Sample_Free (fmd->fmod_sample); |
349 |
fmd->fmod_sample = 0;
|
350 |
|
351 |
if (fmd->channel >= 0) { |
352 |
FSOUND_StopSound (fmd->channel); |
353 |
} |
354 |
} |
355 |
} |
356 |
|
357 |
static int fmod_init_out (HWVoiceOut *hw, audsettings_t *as) |
358 |
{ |
359 |
int bits16, mode, channel;
|
360 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
361 |
audsettings_t obt_as = *as; |
362 |
|
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 */
|
367 |
mode, /* mode */
|
368 |
as->freq, /* freq */
|
369 |
255, /* volume */ |
370 |
128, /* pan */ |
371 |
255 /* priority */ |
372 |
); |
373 |
|
374 |
if (!fmd->fmod_sample) {
|
375 |
fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n"); |
376 |
return -1; |
377 |
} |
378 |
|
379 |
channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1); |
380 |
if (channel < 0) { |
381 |
fmod_logerr2 ("DAC", "Failed to start playing sound\n"); |
382 |
FSOUND_Sample_Free (fmd->fmod_sample); |
383 |
return -1; |
384 |
} |
385 |
fmd->channel = channel; |
386 |
|
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; |
392 |
return 0; |
393 |
} |
394 |
|
395 |
static int fmod_ctl_out (HWVoiceOut *hw, int cmd, ...) |
396 |
{ |
397 |
int status;
|
398 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
399 |
|
400 |
switch (cmd) {
|
401 |
case VOICE_ENABLE:
|
402 |
fmod_clear_sample (fmd); |
403 |
status = FSOUND_SetPaused (fmd->channel, 0);
|
404 |
if (!status) {
|
405 |
fmod_logerr ("Failed to resume channel %d\n", fmd->channel);
|
406 |
} |
407 |
break;
|
408 |
|
409 |
case VOICE_DISABLE:
|
410 |
status = FSOUND_SetPaused (fmd->channel, 1);
|
411 |
if (!status) {
|
412 |
fmod_logerr ("Failed to pause channel %d\n", fmd->channel);
|
413 |
} |
414 |
break;
|
415 |
} |
416 |
return 0; |
417 |
} |
418 |
|
419 |
static int fmod_init_in (HWVoiceIn *hw, audsettings_t *as) |
420 |
{ |
421 |
int bits16, mode;
|
422 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
423 |
audsettings_t obt_as = *as; |
424 |
|
425 |
if (conf.broken_adc) {
|
426 |
return -1; |
427 |
} |
428 |
|
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 */
|
433 |
mode, /* mode */
|
434 |
as->freq, /* freq */
|
435 |
255, /* volume */ |
436 |
128, /* pan */ |
437 |
255 /* priority */ |
438 |
); |
439 |
|
440 |
if (!fmd->fmod_sample) {
|
441 |
fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n"); |
442 |
return -1; |
443 |
} |
444 |
|
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; |
450 |
return 0; |
451 |
} |
452 |
|
453 |
static void fmod_fini_in (HWVoiceIn *hw) |
454 |
{ |
455 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
456 |
|
457 |
if (fmd->fmod_sample) {
|
458 |
FSOUND_Record_Stop (); |
459 |
FSOUND_Sample_Free (fmd->fmod_sample); |
460 |
fmd->fmod_sample = 0;
|
461 |
} |
462 |
} |
463 |
|
464 |
static int fmod_run_in (HWVoiceIn *hw) |
465 |
{ |
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; |
471 |
unsigned int decr; |
472 |
void *p1, *p2;
|
473 |
|
474 |
live = audio_pcm_hw_get_live_in (hw); |
475 |
dead = hw->samples - live; |
476 |
if (!dead) {
|
477 |
return 0; |
478 |
} |
479 |
|
480 |
new_pos = FSOUND_Record_GetPosition (); |
481 |
if (new_pos < 0) { |
482 |
fmod_logerr ("Could not get recording position\n");
|
483 |
return 0; |
484 |
} |
485 |
|
486 |
len = audio_ring_dist (new_pos, hw->wpos, hw->samples); |
487 |
if (!len) {
|
488 |
return 0; |
489 |
} |
490 |
len = audio_MIN (len, dead); |
491 |
|
492 |
if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
|
493 |
hw->wpos, len, |
494 |
&p1, &p2, |
495 |
&blen1, &blen2)) { |
496 |
return 0; |
497 |
} |
498 |
|
499 |
len1 = blen1 >> hwshift; |
500 |
len2 = blen2 >> hwshift; |
501 |
decr = len1 + len2; |
502 |
|
503 |
if (p1 && blen1) {
|
504 |
hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); |
505 |
} |
506 |
if (p2 && len2) {
|
507 |
hw->conv (hw->conv_buf, p2, len2, &nominal_volume); |
508 |
} |
509 |
|
510 |
fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); |
511 |
hw->wpos = (hw->wpos + decr) % hw->samples; |
512 |
return decr;
|
513 |
} |
514 |
|
515 |
static struct { |
516 |
const char *name; |
517 |
int type;
|
518 |
} drvtab[] = { |
519 |
{"none", FSOUND_OUTPUT_NOSOUND},
|
520 |
#ifdef _WIN32
|
521 |
{"winmm", FSOUND_OUTPUT_WINMM},
|
522 |
{"dsound", FSOUND_OUTPUT_DSOUND},
|
523 |
{"a3d", FSOUND_OUTPUT_A3D},
|
524 |
{"asio", FSOUND_OUTPUT_ASIO},
|
525 |
#endif
|
526 |
#ifdef __linux__
|
527 |
{"oss", FSOUND_OUTPUT_OSS},
|
528 |
{"alsa", FSOUND_OUTPUT_ALSA},
|
529 |
{"esd", FSOUND_OUTPUT_ESD},
|
530 |
#endif
|
531 |
#ifdef __APPLE__
|
532 |
{"mac", FSOUND_OUTPUT_MAC},
|
533 |
#endif
|
534 |
#if 0
|
535 |
{"xbox", FSOUND_OUTPUT_XBOX},
|
536 |
{"ps2", FSOUND_OUTPUT_PS2},
|
537 |
{"gcube", FSOUND_OUTPUT_GC},
|
538 |
#endif
|
539 |
{"none-realtime", FSOUND_OUTPUT_NOSOUND_NONREALTIME}
|
540 |
}; |
541 |
|
542 |
static void *fmod_audio_init (void) |
543 |
{ |
544 |
size_t i; |
545 |
double ver;
|
546 |
int status;
|
547 |
int output_type = -1; |
548 |
const char *drv = conf.drvname; |
549 |
|
550 |
ver = FSOUND_GetVersion (); |
551 |
if (ver < FMOD_VERSION) {
|
552 |
dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION);
|
553 |
return NULL; |
554 |
} |
555 |
|
556 |
#ifdef __linux__
|
557 |
if (ver < 3.75) { |
558 |
dolog ("FMOD before 3.75 has bug preventing ADC from working\n"
|
559 |
"ADC will be disabled.\n");
|
560 |
conf.broken_adc = 1;
|
561 |
} |
562 |
#endif
|
563 |
|
564 |
if (drv) {
|
565 |
int found = 0; |
566 |
for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
567 |
if (!strcmp (drv, drvtab[i].name)) {
|
568 |
output_type = drvtab[i].type; |
569 |
found = 1;
|
570 |
break;
|
571 |
} |
572 |
} |
573 |
if (!found) {
|
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);
|
578 |
} |
579 |
} |
580 |
} |
581 |
|
582 |
if (output_type != -1) { |
583 |
status = FSOUND_SetOutput (output_type); |
584 |
if (!status) {
|
585 |
fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type);
|
586 |
return NULL; |
587 |
} |
588 |
} |
589 |
|
590 |
if (conf.bufsize) {
|
591 |
status = FSOUND_SetBufferSize (conf.bufsize); |
592 |
if (!status) {
|
593 |
fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf.bufsize);
|
594 |
} |
595 |
} |
596 |
|
597 |
status = FSOUND_Init (conf.freq, conf.nb_channels, 0);
|
598 |
if (!status) {
|
599 |
fmod_logerr ("FSOUND_Init failed\n");
|
600 |
return NULL; |
601 |
} |
602 |
|
603 |
return &conf;
|
604 |
} |
605 |
|
606 |
static int fmod_read (SWVoiceIn *sw, void *buf, int size) |
607 |
{ |
608 |
return audio_pcm_sw_read (sw, buf, size);
|
609 |
} |
610 |
|
611 |
static int fmod_ctl_in (HWVoiceIn *hw, int cmd, ...) |
612 |
{ |
613 |
int status;
|
614 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
615 |
|
616 |
switch (cmd) {
|
617 |
case VOICE_ENABLE:
|
618 |
status = FSOUND_Record_StartSample (fmd->fmod_sample, 1);
|
619 |
if (!status) {
|
620 |
fmod_logerr ("Failed to start recording\n");
|
621 |
} |
622 |
break;
|
623 |
|
624 |
case VOICE_DISABLE:
|
625 |
status = FSOUND_Record_Stop (); |
626 |
if (!status) {
|
627 |
fmod_logerr ("Failed to stop recording\n");
|
628 |
} |
629 |
break;
|
630 |
} |
631 |
return 0; |
632 |
} |
633 |
|
634 |
static void fmod_audio_fini (void *opaque) |
635 |
{ |
636 |
(void) opaque;
|
637 |
FSOUND_Close (); |
638 |
} |
639 |
|
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}, |
651 |
#if 0
|
652 |
{"THRESHOLD", AUD_OPT_INT, &conf.threshold,
|
653 |
"(undocumented)"},
|
654 |
#endif
|
655 |
|
656 |
{NULL, 0, NULL, NULL, NULL, 0} |
657 |
}; |
658 |
|
659 |
static struct audio_pcm_ops fmod_pcm_ops = { |
660 |
fmod_init_out, |
661 |
fmod_fini_out, |
662 |
fmod_run_out, |
663 |
fmod_write, |
664 |
fmod_ctl_out, |
665 |
|
666 |
fmod_init_in, |
667 |
fmod_fini_in, |
668 |
fmod_run_in, |
669 |
fmod_read, |
670 |
fmod_ctl_in |
671 |
}; |
672 |
|
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)
|
685 |
}; |