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| 1 |
/*
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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 "qemu-common.h" |
| 27 |
#include "audio.h" |
| 28 |
|
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#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 broken_adc;
|
| 51 |
} conf = {
|
| 52 |
.nb_samples = 2048 * 2, |
| 53 |
.freq = 44100,
|
| 54 |
.nb_channels = 2,
|
| 55 |
}; |
| 56 |
|
| 57 |
static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt, ...) |
| 58 |
{
|
| 59 |
va_list ap; |
| 60 |
|
| 61 |
va_start (ap, fmt); |
| 62 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
| 63 |
va_end (ap); |
| 64 |
|
| 65 |
AUD_log (AUDIO_CAP, "Reason: %s\n",
|
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FMOD_ErrorString (FSOUND_GetError ())); |
| 67 |
} |
| 68 |
|
| 69 |
static void GCC_FMT_ATTR (2, 3) fmod_logerr2 ( |
| 70 |
const char *typ, |
| 71 |
const char *fmt, |
| 72 |
... |
| 73 |
) |
| 74 |
{
|
| 75 |
va_list ap; |
| 76 |
|
| 77 |
AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
|
| 78 |
|
| 79 |
va_start (ap, fmt); |
| 80 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
| 81 |
va_end (ap); |
| 82 |
|
| 83 |
AUD_log (AUDIO_CAP, "Reason: %s\n",
|
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FMOD_ErrorString (FSOUND_GetError ())); |
| 85 |
} |
| 86 |
|
| 87 |
static int fmod_write (SWVoiceOut *sw, void *buf, int len) |
| 88 |
{
|
| 89 |
return audio_pcm_sw_write (sw, buf, len);
|
| 90 |
} |
| 91 |
|
| 92 |
static void fmod_clear_sample (FMODVoiceOut *fmd) |
| 93 |
{
|
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HWVoiceOut *hw = &fmd->hw; |
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int status;
|
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void *p1 = 0, *p2 = 0; |
| 97 |
unsigned int len1 = 0, len2 = 0; |
| 98 |
|
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status = FSOUND_Sample_Lock ( |
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fmd->fmod_sample, |
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0,
|
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hw->samples << hw->info.shift, |
| 103 |
&p1, |
| 104 |
&p2, |
| 105 |
&len1, |
| 106 |
&len2 |
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); |
| 108 |
|
| 109 |
if (!status) {
|
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fmod_logerr ("Failed to lock sample\n");
|
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return;
|
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} |
| 113 |
|
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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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} |
| 119 |
|
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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); |
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goto fail;
|
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} |
| 125 |
|
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audio_pcm_info_clear_buf (&hw->info, p1, hw->samples); |
| 127 |
|
| 128 |
fail:
|
| 129 |
status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2); |
| 130 |
if (!status) {
|
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fmod_logerr ("Failed to unlock sample\n");
|
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} |
| 133 |
} |
| 134 |
|
| 135 |
static void fmod_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) |
| 136 |
{
|
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int src_len1 = dst_len;
|
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int src_len2 = 0; |
| 139 |
int pos = hw->rpos + dst_len;
|
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struct st_sample *src1 = hw->mix_buf + hw->rpos;
|
| 141 |
struct st_sample *src2 = NULL; |
| 142 |
|
| 143 |
if (pos > hw->samples) {
|
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src_len1 = hw->samples - hw->rpos; |
| 145 |
src2 = hw->mix_buf; |
| 146 |
src_len2 = dst_len - src_len1; |
| 147 |
pos = src_len2; |
| 148 |
} |
| 149 |
|
| 150 |
if (src_len1) {
|
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hw->clip (dst, src1, src_len1); |
| 152 |
} |
| 153 |
|
| 154 |
if (src_len2) {
|
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dst = advance (dst, src_len1 << hw->info.shift); |
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hw->clip (dst, src2, src_len2); |
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} |
| 158 |
|
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hw->rpos = pos % hw->samples; |
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} |
| 161 |
|
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static int fmod_unlock_sample (FSOUND_SAMPLE *sample, void *p1, void *p2, |
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unsigned int blen1, unsigned int blen2) |
| 164 |
{
|
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int status = FSOUND_Sample_Unlock (sample, p1, p2, blen1, blen2);
|
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if (!status) {
|
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fmod_logerr ("Failed to unlock sample\n");
|
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return -1; |
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} |
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return 0; |
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} |
| 172 |
|
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static int fmod_lock_sample ( |
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FSOUND_SAMPLE *sample, |
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struct audio_pcm_info *info,
|
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int pos,
|
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int len,
|
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void **p1,
|
| 179 |
void **p2,
|
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unsigned int *blen1, |
| 181 |
unsigned int *blen2 |
| 182 |
) |
| 183 |
{
|
| 184 |
int status;
|
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|
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status = FSOUND_Sample_Lock ( |
| 187 |
sample, |
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pos << info->shift, |
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len << info->shift, |
| 190 |
p1, |
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p2, |
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blen1, |
| 193 |
blen2 |
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); |
| 195 |
|
| 196 |
if (!status) {
|
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fmod_logerr ("Failed to lock sample\n");
|
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return -1; |
| 199 |
} |
| 200 |
|
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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); |
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|
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*p1 = NULL - 1; |
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*p2 = NULL - 1; |
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*blen1 = ~0U;
|
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*blen2 = ~0U;
|
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return -1; |
| 212 |
} |
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|
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if (!*p1 && *blen1) {
|
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dolog ("warning: !p1 && blen1=%d\n", *blen1);
|
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*blen1 = 0;
|
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} |
| 218 |
|
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if (!p2 && *blen2) {
|
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dolog ("warning: !p2 && blen2=%d\n", *blen2);
|
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*blen2 = 0;
|
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} |
| 223 |
|
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return 0; |
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} |
| 226 |
|
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static int fmod_run_out (HWVoiceOut *hw, int live) |
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{
|
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FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
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int decr;
|
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void *p1 = 0, *p2 = 0; |
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unsigned int blen1 = 0, blen2 = 0; |
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unsigned int len1 = 0, len2 = 0; |
| 234 |
|
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if (!hw->pending_disable) {
|
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return 0; |
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} |
| 238 |
|
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decr = live; |
| 240 |
|
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if (fmd->channel >= 0) { |
| 242 |
int len = decr;
|
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int old_pos = fmd->old_pos;
|
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int ppos = FSOUND_GetCurrentPosition (fmd->channel);
|
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|
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if (ppos == old_pos || !ppos) {
|
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return 0; |
| 248 |
} |
| 249 |
|
| 250 |
if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
|
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len = ppos - old_pos; |
| 252 |
} |
| 253 |
else {
|
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if ((old_pos > ppos) && ((old_pos + len) > (ppos + hw->samples))) {
|
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len = hw->samples - old_pos + ppos; |
| 256 |
} |
| 257 |
} |
| 258 |
decr = len; |
| 259 |
|
| 260 |
if (audio_bug (AUDIO_FUNC, decr < 0)) { |
| 261 |
dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n",
|
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decr, live, ppos, old_pos, len); |
| 263 |
return 0; |
| 264 |
} |
| 265 |
} |
| 266 |
|
| 267 |
|
| 268 |
if (!decr) {
|
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return 0; |
| 270 |
} |
| 271 |
|
| 272 |
if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
|
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fmd->old_pos, decr, |
| 274 |
&p1, &p2, |
| 275 |
&blen1, &blen2)) {
|
| 276 |
return 0; |
| 277 |
} |
| 278 |
|
| 279 |
len1 = blen1 >> hw->info.shift; |
| 280 |
len2 = blen2 >> hw->info.shift; |
| 281 |
ldebug ("%p %p %d %d %d %d\n", p1, p2, len1, len2, blen1, blen2);
|
| 282 |
decr = len1 + len2; |
| 283 |
|
| 284 |
if (p1 && len1) {
|
| 285 |
fmod_write_sample (hw, p1, len1); |
| 286 |
} |
| 287 |
|
| 288 |
if (p2 && len2) {
|
| 289 |
fmod_write_sample (hw, p2, len2); |
| 290 |
} |
| 291 |
|
| 292 |
fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); |
| 293 |
|
| 294 |
fmd->old_pos = (fmd->old_pos + decr) % hw->samples; |
| 295 |
return decr;
|
| 296 |
} |
| 297 |
|
| 298 |
static int aud_to_fmodfmt (audfmt_e fmt, int stereo) |
| 299 |
{
|
| 300 |
int mode = FSOUND_LOOP_NORMAL;
|
| 301 |
|
| 302 |
switch (fmt) {
|
| 303 |
case AUD_FMT_S8:
|
| 304 |
mode |= FSOUND_SIGNED | FSOUND_8BITS; |
| 305 |
break;
|
| 306 |
|
| 307 |
case AUD_FMT_U8:
|
| 308 |
mode |= FSOUND_UNSIGNED | FSOUND_8BITS; |
| 309 |
break;
|
| 310 |
|
| 311 |
case AUD_FMT_S16:
|
| 312 |
mode |= FSOUND_SIGNED | FSOUND_16BITS; |
| 313 |
break;
|
| 314 |
|
| 315 |
case AUD_FMT_U16:
|
| 316 |
mode |= FSOUND_UNSIGNED | FSOUND_16BITS; |
| 317 |
break;
|
| 318 |
|
| 319 |
default:
|
| 320 |
dolog ("Internal logic error: Bad audio format %d\n", fmt);
|
| 321 |
#ifdef DEBUG_FMOD
|
| 322 |
abort (); |
| 323 |
#endif
|
| 324 |
mode |= FSOUND_8BITS; |
| 325 |
} |
| 326 |
mode |= stereo ? FSOUND_STEREO : FSOUND_MONO; |
| 327 |
return mode;
|
| 328 |
} |
| 329 |
|
| 330 |
static void fmod_fini_out (HWVoiceOut *hw) |
| 331 |
{
|
| 332 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
| 333 |
|
| 334 |
if (fmd->fmod_sample) {
|
| 335 |
FSOUND_Sample_Free (fmd->fmod_sample); |
| 336 |
fmd->fmod_sample = 0;
|
| 337 |
|
| 338 |
if (fmd->channel >= 0) { |
| 339 |
FSOUND_StopSound (fmd->channel); |
| 340 |
} |
| 341 |
} |
| 342 |
} |
| 343 |
|
| 344 |
static int fmod_init_out (HWVoiceOut *hw, struct audsettings *as) |
| 345 |
{
|
| 346 |
int mode, channel;
|
| 347 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
| 348 |
struct audsettings obt_as = *as;
|
| 349 |
|
| 350 |
mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0); |
| 351 |
fmd->fmod_sample = FSOUND_Sample_Alloc ( |
| 352 |
FSOUND_FREE, /* index */
|
| 353 |
conf.nb_samples, /* length */
|
| 354 |
mode, /* mode */
|
| 355 |
as->freq, /* freq */
|
| 356 |
255, /* volume */ |
| 357 |
128, /* pan */ |
| 358 |
255 /* priority */ |
| 359 |
); |
| 360 |
|
| 361 |
if (!fmd->fmod_sample) {
|
| 362 |
fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n"); |
| 363 |
return -1; |
| 364 |
} |
| 365 |
|
| 366 |
channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1); |
| 367 |
if (channel < 0) { |
| 368 |
fmod_logerr2 ("DAC", "Failed to start playing sound\n"); |
| 369 |
FSOUND_Sample_Free (fmd->fmod_sample); |
| 370 |
return -1; |
| 371 |
} |
| 372 |
fmd->channel = channel; |
| 373 |
|
| 374 |
/* FMOD always operates on little endian frames? */
|
| 375 |
obt_as.endianness = 0;
|
| 376 |
audio_pcm_init_info (&hw->info, &obt_as); |
| 377 |
hw->samples = conf.nb_samples; |
| 378 |
return 0; |
| 379 |
} |
| 380 |
|
| 381 |
static int fmod_ctl_out (HWVoiceOut *hw, int cmd, ...) |
| 382 |
{
|
| 383 |
int status;
|
| 384 |
FMODVoiceOut *fmd = (FMODVoiceOut *) hw; |
| 385 |
|
| 386 |
switch (cmd) {
|
| 387 |
case VOICE_ENABLE:
|
| 388 |
fmod_clear_sample (fmd); |
| 389 |
status = FSOUND_SetPaused (fmd->channel, 0);
|
| 390 |
if (!status) {
|
| 391 |
fmod_logerr ("Failed to resume channel %d\n", fmd->channel);
|
| 392 |
} |
| 393 |
break;
|
| 394 |
|
| 395 |
case VOICE_DISABLE:
|
| 396 |
status = FSOUND_SetPaused (fmd->channel, 1);
|
| 397 |
if (!status) {
|
| 398 |
fmod_logerr ("Failed to pause channel %d\n", fmd->channel);
|
| 399 |
} |
| 400 |
break;
|
| 401 |
} |
| 402 |
return 0; |
| 403 |
} |
| 404 |
|
| 405 |
static int fmod_init_in (HWVoiceIn *hw, struct audsettings *as) |
| 406 |
{
|
| 407 |
int mode;
|
| 408 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
| 409 |
struct audsettings obt_as = *as;
|
| 410 |
|
| 411 |
if (conf.broken_adc) {
|
| 412 |
return -1; |
| 413 |
} |
| 414 |
|
| 415 |
mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0); |
| 416 |
fmd->fmod_sample = FSOUND_Sample_Alloc ( |
| 417 |
FSOUND_FREE, /* index */
|
| 418 |
conf.nb_samples, /* length */
|
| 419 |
mode, /* mode */
|
| 420 |
as->freq, /* freq */
|
| 421 |
255, /* volume */ |
| 422 |
128, /* pan */ |
| 423 |
255 /* priority */ |
| 424 |
); |
| 425 |
|
| 426 |
if (!fmd->fmod_sample) {
|
| 427 |
fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n"); |
| 428 |
return -1; |
| 429 |
} |
| 430 |
|
| 431 |
/* FMOD always operates on little endian frames? */
|
| 432 |
obt_as.endianness = 0;
|
| 433 |
audio_pcm_init_info (&hw->info, &obt_as); |
| 434 |
hw->samples = conf.nb_samples; |
| 435 |
return 0; |
| 436 |
} |
| 437 |
|
| 438 |
static void fmod_fini_in (HWVoiceIn *hw) |
| 439 |
{
|
| 440 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
| 441 |
|
| 442 |
if (fmd->fmod_sample) {
|
| 443 |
FSOUND_Record_Stop (); |
| 444 |
FSOUND_Sample_Free (fmd->fmod_sample); |
| 445 |
fmd->fmod_sample = 0;
|
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
static int fmod_run_in (HWVoiceIn *hw) |
| 450 |
{
|
| 451 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
| 452 |
int hwshift = hw->info.shift;
|
| 453 |
int live, dead, new_pos, len;
|
| 454 |
unsigned int blen1 = 0, blen2 = 0; |
| 455 |
unsigned int len1, len2; |
| 456 |
unsigned int decr; |
| 457 |
void *p1, *p2;
|
| 458 |
|
| 459 |
live = audio_pcm_hw_get_live_in (hw); |
| 460 |
dead = hw->samples - live; |
| 461 |
if (!dead) {
|
| 462 |
return 0; |
| 463 |
} |
| 464 |
|
| 465 |
new_pos = FSOUND_Record_GetPosition (); |
| 466 |
if (new_pos < 0) { |
| 467 |
fmod_logerr ("Could not get recording position\n");
|
| 468 |
return 0; |
| 469 |
} |
| 470 |
|
| 471 |
len = audio_ring_dist (new_pos, hw->wpos, hw->samples); |
| 472 |
if (!len) {
|
| 473 |
return 0; |
| 474 |
} |
| 475 |
len = audio_MIN (len, dead); |
| 476 |
|
| 477 |
if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
|
| 478 |
hw->wpos, len, |
| 479 |
&p1, &p2, |
| 480 |
&blen1, &blen2)) {
|
| 481 |
return 0; |
| 482 |
} |
| 483 |
|
| 484 |
len1 = blen1 >> hwshift; |
| 485 |
len2 = blen2 >> hwshift; |
| 486 |
decr = len1 + len2; |
| 487 |
|
| 488 |
if (p1 && blen1) {
|
| 489 |
hw->conv (hw->conv_buf + hw->wpos, p1, len1); |
| 490 |
} |
| 491 |
if (p2 && len2) {
|
| 492 |
hw->conv (hw->conv_buf, p2, len2); |
| 493 |
} |
| 494 |
|
| 495 |
fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); |
| 496 |
hw->wpos = (hw->wpos + decr) % hw->samples; |
| 497 |
return decr;
|
| 498 |
} |
| 499 |
|
| 500 |
static struct { |
| 501 |
const char *name; |
| 502 |
int type;
|
| 503 |
} drvtab[] = {
|
| 504 |
{ .name = "none", .type = FSOUND_OUTPUT_NOSOUND },
|
| 505 |
#ifdef _WIN32
|
| 506 |
{ .name = "winmm", .type = FSOUND_OUTPUT_WINMM },
|
| 507 |
{ .name = "dsound", .type = FSOUND_OUTPUT_DSOUND },
|
| 508 |
{ .name = "a3d", .type = FSOUND_OUTPUT_A3D },
|
| 509 |
{ .name = "asio", .type = FSOUND_OUTPUT_ASIO },
|
| 510 |
#endif
|
| 511 |
#ifdef __linux__
|
| 512 |
{ .name = "oss", .type = FSOUND_OUTPUT_OSS },
|
| 513 |
{ .name = "alsa", .type = FSOUND_OUTPUT_ALSA },
|
| 514 |
{ .name = "esd", .type = FSOUND_OUTPUT_ESD },
|
| 515 |
#endif
|
| 516 |
#ifdef __APPLE__
|
| 517 |
{ .name = "mac", .type = FSOUND_OUTPUT_MAC },
|
| 518 |
#endif
|
| 519 |
#if 0
|
| 520 |
{ .name = "xbox", .type = FSOUND_OUTPUT_XBOX },
|
| 521 |
{ .name = "ps2", .type = FSOUND_OUTPUT_PS2 },
|
| 522 |
{ .name = "gcube", .type = FSOUND_OUTPUT_GC },
|
| 523 |
#endif
|
| 524 |
{ .name = "none-realtime", .type = FSOUND_OUTPUT_NOSOUND_NONREALTIME }
|
| 525 |
}; |
| 526 |
|
| 527 |
static void *fmod_audio_init (void) |
| 528 |
{
|
| 529 |
size_t i; |
| 530 |
double ver;
|
| 531 |
int status;
|
| 532 |
int output_type = -1; |
| 533 |
const char *drv = conf.drvname; |
| 534 |
|
| 535 |
ver = FSOUND_GetVersion (); |
| 536 |
if (ver < FMOD_VERSION) {
|
| 537 |
dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION);
|
| 538 |
return NULL; |
| 539 |
} |
| 540 |
|
| 541 |
#ifdef __linux__
|
| 542 |
if (ver < 3.75) { |
| 543 |
dolog ("FMOD before 3.75 has bug preventing ADC from working\n"
|
| 544 |
"ADC will be disabled.\n");
|
| 545 |
conf.broken_adc = 1;
|
| 546 |
} |
| 547 |
#endif
|
| 548 |
|
| 549 |
if (drv) {
|
| 550 |
int found = 0; |
| 551 |
for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
| 552 |
if (!strcmp (drv, drvtab[i].name)) {
|
| 553 |
output_type = drvtab[i].type; |
| 554 |
found = 1;
|
| 555 |
break;
|
| 556 |
} |
| 557 |
} |
| 558 |
if (!found) {
|
| 559 |
dolog ("Unknown FMOD driver `%s'\n", drv);
|
| 560 |
dolog ("Valid drivers:\n");
|
| 561 |
for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
| 562 |
dolog (" %s\n", drvtab[i].name);
|
| 563 |
} |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
if (output_type != -1) { |
| 568 |
status = FSOUND_SetOutput (output_type); |
| 569 |
if (!status) {
|
| 570 |
fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type);
|
| 571 |
return NULL; |
| 572 |
} |
| 573 |
} |
| 574 |
|
| 575 |
if (conf.bufsize) {
|
| 576 |
status = FSOUND_SetBufferSize (conf.bufsize); |
| 577 |
if (!status) {
|
| 578 |
fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf.bufsize);
|
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
status = FSOUND_Init (conf.freq, conf.nb_channels, 0);
|
| 583 |
if (!status) {
|
| 584 |
fmod_logerr ("FSOUND_Init failed\n");
|
| 585 |
return NULL; |
| 586 |
} |
| 587 |
|
| 588 |
return &conf;
|
| 589 |
} |
| 590 |
|
| 591 |
static int fmod_read (SWVoiceIn *sw, void *buf, int size) |
| 592 |
{
|
| 593 |
return audio_pcm_sw_read (sw, buf, size);
|
| 594 |
} |
| 595 |
|
| 596 |
static int fmod_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 597 |
{
|
| 598 |
int status;
|
| 599 |
FMODVoiceIn *fmd = (FMODVoiceIn *) hw; |
| 600 |
|
| 601 |
switch (cmd) {
|
| 602 |
case VOICE_ENABLE:
|
| 603 |
status = FSOUND_Record_StartSample (fmd->fmod_sample, 1);
|
| 604 |
if (!status) {
|
| 605 |
fmod_logerr ("Failed to start recording\n");
|
| 606 |
} |
| 607 |
break;
|
| 608 |
|
| 609 |
case VOICE_DISABLE:
|
| 610 |
status = FSOUND_Record_Stop (); |
| 611 |
if (!status) {
|
| 612 |
fmod_logerr ("Failed to stop recording\n");
|
| 613 |
} |
| 614 |
break;
|
| 615 |
} |
| 616 |
return 0; |
| 617 |
} |
| 618 |
|
| 619 |
static void fmod_audio_fini (void *opaque) |
| 620 |
{
|
| 621 |
(void) opaque;
|
| 622 |
FSOUND_Close (); |
| 623 |
} |
| 624 |
|
| 625 |
static struct audio_option fmod_options[] = { |
| 626 |
{
|
| 627 |
.name = "DRV",
|
| 628 |
.tag = AUD_OPT_STR, |
| 629 |
.valp = &conf.drvname, |
| 630 |
.descr = "FMOD driver"
|
| 631 |
}, |
| 632 |
{
|
| 633 |
.name = "FREQ",
|
| 634 |
.tag = AUD_OPT_INT, |
| 635 |
.valp = &conf.freq, |
| 636 |
.descr = "Default frequency"
|
| 637 |
}, |
| 638 |
{
|
| 639 |
.name = "SAMPLES",
|
| 640 |
.tag = AUD_OPT_INT, |
| 641 |
.valp = &conf.nb_samples, |
| 642 |
.descr = "Buffer size in samples"
|
| 643 |
}, |
| 644 |
{
|
| 645 |
.name = "CHANNELS",
|
| 646 |
.tag = AUD_OPT_INT, |
| 647 |
.valp = &conf.nb_channels, |
| 648 |
.descr = "Number of default channels (1 - mono, 2 - stereo)"
|
| 649 |
}, |
| 650 |
{
|
| 651 |
.name = "BUFSIZE",
|
| 652 |
.tag = AUD_OPT_INT, |
| 653 |
.valp = &conf.bufsize, |
| 654 |
.descr = "(undocumented)"
|
| 655 |
}, |
| 656 |
{ /* End of list */ }
|
| 657 |
}; |
| 658 |
|
| 659 |
static struct audio_pcm_ops fmod_pcm_ops = { |
| 660 |
.init_out = fmod_init_out, |
| 661 |
.fini_out = fmod_fini_out, |
| 662 |
.run_out = fmod_run_out, |
| 663 |
.write = fmod_write, |
| 664 |
.ctl_out = fmod_ctl_out, |
| 665 |
|
| 666 |
.init_in = fmod_init_in, |
| 667 |
.fini_in = fmod_fini_in, |
| 668 |
.run_in = fmod_run_in, |
| 669 |
.read = fmod_read, |
| 670 |
.ctl_in = fmod_ctl_in |
| 671 |
}; |
| 672 |
|
| 673 |
struct audio_driver fmod_audio_driver = {
|
| 674 |
.name = "fmod",
|
| 675 |
.descr = "FMOD 3.xx http://www.fmod.org",
|
| 676 |
.options = fmod_options, |
| 677 |
.init = fmod_audio_init, |
| 678 |
.fini = fmod_audio_fini, |
| 679 |
.pcm_ops = &fmod_pcm_ops, |
| 680 |
.can_be_default = 1,
|
| 681 |
.max_voices_out = INT_MAX, |
| 682 |
.max_voices_in = INT_MAX, |
| 683 |
.voice_size_out = sizeof (FMODVoiceOut),
|
| 684 |
.voice_size_in = sizeof (FMODVoiceIn)
|
| 685 |
}; |