| 23 |
*/ |
*/ |
| 24 |
|
|
| 25 |
#ifdef DAC |
#ifdef DAC |
| 26 |
|
#define NAME "playback" |
| 27 |
|
#define HWBUF hw->mix_buf |
| 28 |
#define TYPE out |
#define TYPE out |
| 29 |
#define HW glue (HWVoice, Out) |
#define HW HWVoiceOut |
| 30 |
#define SW glue (SWVoice, Out) |
#define SW SWVoiceOut |
| 31 |
#else |
#else |
| 32 |
|
#define NAME "capture" |
| 33 |
#define TYPE in |
#define TYPE in |
| 34 |
#define HW glue (HWVoice, In) |
#define HW HWVoiceIn |
| 35 |
#define SW glue (SWVoice, In) |
#define SW SWVoiceIn |
| 36 |
|
#define HWBUF hw->conv_buf |
| 37 |
#endif |
#endif |
| 38 |
|
|
| 39 |
static int glue (audio_pcm_hw_init_, TYPE) ( |
static void glue (audio_init_nb_voices_, TYPE) ( |
| 40 |
HW *hw, |
AudioState *s, |
| 41 |
audsettings_t *as |
struct audio_driver *drv |
| 42 |
) |
) |
| 43 |
{ |
{ |
| 44 |
glue (audio_pcm_hw_free_resources_, TYPE) (hw); |
int max_voices = glue (drv->max_voices_, TYPE); |
| 45 |
|
int voice_size = glue (drv->voice_size_, TYPE); |
| 46 |
|
|
| 47 |
if (glue (hw->pcm_ops->init_, TYPE) (hw, as)) { |
if (glue (s->nb_hw_voices_, TYPE) > max_voices) { |
| 48 |
return -1; |
if (!max_voices) { |
| 49 |
|
#ifdef DAC |
| 50 |
|
dolog ("Driver `%s' does not support " NAME "\n", drv->name); |
| 51 |
|
#endif |
| 52 |
|
} |
| 53 |
|
else { |
| 54 |
|
dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n", |
| 55 |
|
drv->name, |
| 56 |
|
glue (s->nb_hw_voices_, TYPE), |
| 57 |
|
max_voices); |
| 58 |
|
} |
| 59 |
|
glue (s->nb_hw_voices_, TYPE) = max_voices; |
| 60 |
} |
} |
| 61 |
|
|
| 62 |
if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) { |
if (audio_bug (AUDIO_FUNC, !voice_size && max_voices)) { |
| 63 |
dolog ("hw->samples=%d\n", hw->samples); |
dolog ("drv=`%s' voice_size=0 max_voices=%d\n", |
| 64 |
|
drv->name, max_voices); |
| 65 |
|
glue (s->nb_hw_voices_, TYPE) = 0; |
| 66 |
|
} |
| 67 |
|
|
| 68 |
|
if (audio_bug (AUDIO_FUNC, voice_size && !max_voices)) { |
| 69 |
|
dolog ("drv=`%s' voice_size=%d max_voices=0\n", |
| 70 |
|
drv->name, voice_size); |
| 71 |
|
} |
| 72 |
|
} |
| 73 |
|
|
| 74 |
|
static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw) |
| 75 |
|
{ |
| 76 |
|
if (HWBUF) { |
| 77 |
|
qemu_free (HWBUF); |
| 78 |
|
} |
| 79 |
|
|
| 80 |
|
HWBUF = NULL; |
| 81 |
|
} |
| 82 |
|
|
| 83 |
|
static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw) |
| 84 |
|
{ |
| 85 |
|
HWBUF = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (st_sample_t)); |
| 86 |
|
if (!HWBUF) { |
| 87 |
|
dolog ("Could not allocate " NAME " buffer (%d samples)\n", |
| 88 |
|
hw->samples); |
| 89 |
return -1; |
return -1; |
| 90 |
} |
} |
| 91 |
|
|
| 92 |
LIST_INIT (&hw->sw_head); |
return 0; |
| 93 |
|
} |
| 94 |
|
|
| 95 |
|
static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw) |
| 96 |
|
{ |
| 97 |
|
if (sw->buf) { |
| 98 |
|
qemu_free (sw->buf); |
| 99 |
|
} |
| 100 |
|
|
| 101 |
|
if (sw->rate) { |
| 102 |
|
st_rate_stop (sw->rate); |
| 103 |
|
} |
| 104 |
|
|
| 105 |
|
sw->buf = NULL; |
| 106 |
|
sw->rate = NULL; |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw) |
| 110 |
|
{ |
| 111 |
|
int samples; |
| 112 |
|
|
| 113 |
#ifdef DAC |
#ifdef DAC |
| 114 |
hw->clip = |
samples = sw->hw->samples; |
|
mixeng_clip |
|
| 115 |
#else |
#else |
| 116 |
hw->conv = |
samples = ((int64_t) sw->hw->samples << 32) / sw->ratio; |
|
mixeng_conv |
|
| 117 |
#endif |
#endif |
|
[hw->info.nchannels == 2] |
|
|
[hw->info.sign] |
|
|
[hw->info.swap_endian] |
|
|
[hw->info.bits == 16]; |
|
| 118 |
|
|
| 119 |
if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) { |
sw->buf = audio_calloc (AUDIO_FUNC, samples, sizeof (st_sample_t)); |
| 120 |
glue (hw->pcm_ops->fini_, TYPE) (hw); |
if (!sw->buf) { |
| 121 |
|
dolog ("Could not allocate buffer for `%s' (%d samples)\n", |
| 122 |
|
SW_NAME (sw), samples); |
| 123 |
return -1; |
return -1; |
| 124 |
} |
} |
| 125 |
|
|
| 126 |
|
#ifdef DAC |
| 127 |
|
sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq); |
| 128 |
|
#else |
| 129 |
|
sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq); |
| 130 |
|
#endif |
| 131 |
|
if (!sw->rate) { |
| 132 |
|
qemu_free (sw->buf); |
| 133 |
|
sw->buf = NULL; |
| 134 |
|
return -1; |
| 135 |
|
} |
| 136 |
return 0; |
return 0; |
| 137 |
} |
} |
| 138 |
|
|
| 139 |
|
static int glue (audio_pcm_sw_init_, TYPE) ( |
| 140 |
|
SW *sw, |
| 141 |
|
HW *hw, |
| 142 |
|
const char *name, |
| 143 |
|
audsettings_t *as, |
| 144 |
|
int endian |
| 145 |
|
) |
| 146 |
|
{ |
| 147 |
|
int err; |
| 148 |
|
|
| 149 |
|
audio_pcm_init_info (&sw->info, as, audio_need_to_swap_endian (endian)); |
| 150 |
|
sw->hw = hw; |
| 151 |
|
sw->active = 0; |
| 152 |
|
#ifdef DAC |
| 153 |
|
sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq; |
| 154 |
|
sw->total_hw_samples_mixed = 0; |
| 155 |
|
sw->empty = 1; |
| 156 |
|
#else |
| 157 |
|
sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq; |
| 158 |
|
#endif |
| 159 |
|
|
| 160 |
|
#ifdef DAC |
| 161 |
|
sw->conv = mixeng_conv |
| 162 |
|
#else |
| 163 |
|
sw->clip = mixeng_clip |
| 164 |
|
#endif |
| 165 |
|
[sw->info.nchannels == 2] |
| 166 |
|
[sw->info.sign] |
| 167 |
|
[sw->info.swap_endian] |
| 168 |
|
[sw->info.bits == 16]; |
| 169 |
|
|
| 170 |
|
sw->name = qemu_strdup (name); |
| 171 |
|
err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw); |
| 172 |
|
if (err) { |
| 173 |
|
qemu_free (sw->name); |
| 174 |
|
sw->name = NULL; |
| 175 |
|
} |
| 176 |
|
return err; |
| 177 |
|
} |
| 178 |
|
|
| 179 |
static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw) |
static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw) |
| 180 |
{ |
{ |
| 181 |
glue (audio_pcm_sw_free_resources_, TYPE) (sw); |
glue (audio_pcm_sw_free_resources_, TYPE) (sw); |
| 224 |
return NULL; |
return NULL; |
| 225 |
} |
} |
| 226 |
|
|
|
static HW *glue (audio_pcm_hw_find_any_passive_, TYPE) (AudioState *s) |
|
|
{ |
|
|
if (glue (s->nb_hw_voices_, TYPE)) { |
|
|
struct audio_driver *drv = s->drv; |
|
|
|
|
|
if (audio_bug (AUDIO_FUNC, !drv)) { |
|
|
dolog ("No host audio driver\n"); |
|
|
return NULL; |
|
|
} |
|
|
|
|
|
HW *hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE)); |
|
|
if (!hw) { |
|
|
dolog ("Can not allocate voice `%s' size %d\n", |
|
|
drv->name, glue (drv->voice_size_, TYPE)); |
|
|
return NULL; |
|
|
} |
|
|
|
|
|
LIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries); |
|
|
glue (s->nb_hw_voices_, TYPE) -= 1; |
|
|
return hw; |
|
|
} |
|
|
|
|
|
return NULL; |
|
|
} |
|
|
|
|
| 227 |
static HW *glue (audio_pcm_hw_find_specific_, TYPE) ( |
static HW *glue (audio_pcm_hw_find_specific_, TYPE) ( |
| 228 |
AudioState *s, |
AudioState *s, |
| 229 |
HW *hw, |
HW *hw, |
| 241 |
static HW *glue (audio_pcm_hw_add_new_, TYPE) (AudioState *s, audsettings_t *as) |
static HW *glue (audio_pcm_hw_add_new_, TYPE) (AudioState *s, audsettings_t *as) |
| 242 |
{ |
{ |
| 243 |
HW *hw; |
HW *hw; |
| 244 |
|
struct audio_driver *drv = s->drv; |
| 245 |
|
|
| 246 |
hw = glue (audio_pcm_hw_find_any_passive_, TYPE) (s); |
if (!glue (s->nb_hw_voices_, TYPE)) { |
| 247 |
if (hw) { |
return NULL; |
| 248 |
hw->pcm_ops = s->drv->pcm_ops; |
} |
|
if (!hw->pcm_ops) { |
|
|
return NULL; |
|
|
} |
|
| 249 |
|
|
| 250 |
if (glue (audio_pcm_hw_init_, TYPE) (hw, as)) { |
if (audio_bug (AUDIO_FUNC, !drv)) { |
| 251 |
glue (audio_pcm_hw_gc_, TYPE) (s, &hw); |
dolog ("No host audio driver\n"); |
| 252 |
return NULL; |
return NULL; |
| 253 |
} |
} |
| 254 |
else { |
|
| 255 |
return hw; |
if (audio_bug (AUDIO_FUNC, !drv->pcm_ops)) { |
| 256 |
} |
dolog ("Host audio driver without pcm_ops\n"); |
| 257 |
|
return NULL; |
| 258 |
} |
} |
| 259 |
|
|
| 260 |
|
hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE)); |
| 261 |
|
if (!hw) { |
| 262 |
|
dolog ("Can not allocate voice `%s' size %d\n", |
| 263 |
|
drv->name, glue (drv->voice_size_, TYPE)); |
| 264 |
|
return NULL; |
| 265 |
|
} |
| 266 |
|
|
| 267 |
|
hw->pcm_ops = drv->pcm_ops; |
| 268 |
|
LIST_INIT (&hw->sw_head); |
| 269 |
|
|
| 270 |
|
if (glue (hw->pcm_ops->init_, TYPE) (hw, as)) { |
| 271 |
|
goto err0; |
| 272 |
|
} |
| 273 |
|
|
| 274 |
|
if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) { |
| 275 |
|
dolog ("hw->samples=%d\n", hw->samples); |
| 276 |
|
goto err1; |
| 277 |
|
} |
| 278 |
|
|
| 279 |
|
#ifdef DAC |
| 280 |
|
hw->clip = mixeng_clip |
| 281 |
|
#else |
| 282 |
|
hw->conv = mixeng_conv |
| 283 |
|
#endif |
| 284 |
|
[hw->info.nchannels == 2] |
| 285 |
|
[hw->info.sign] |
| 286 |
|
[hw->info.swap_endian] |
| 287 |
|
[hw->info.bits == 16]; |
| 288 |
|
|
| 289 |
|
if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) { |
| 290 |
|
goto err1; |
| 291 |
|
} |
| 292 |
|
|
| 293 |
|
LIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries); |
| 294 |
|
glue (s->nb_hw_voices_, TYPE) -= 1; |
| 295 |
|
return hw; |
| 296 |
|
|
| 297 |
|
err1: |
| 298 |
|
glue (hw->pcm_ops->fini_, TYPE) (hw); |
| 299 |
|
err0: |
| 300 |
|
qemu_free (hw); |
| 301 |
return NULL; |
return NULL; |
| 302 |
} |
} |
| 303 |
|
|
| 328 |
static SW *glue (audio_pcm_create_voice_pair_, TYPE) ( |
static SW *glue (audio_pcm_create_voice_pair_, TYPE) ( |
| 329 |
AudioState *s, |
AudioState *s, |
| 330 |
const char *sw_name, |
const char *sw_name, |
| 331 |
audsettings_t *as |
audsettings_t *as, |
| 332 |
|
int sw_endian |
| 333 |
) |
) |
| 334 |
{ |
{ |
| 335 |
SW *sw; |
SW *sw; |
| 357 |
|
|
| 358 |
glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw); |
glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw); |
| 359 |
|
|
| 360 |
if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) { |
if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as, sw_endian)) { |
| 361 |
goto err3; |
goto err3; |
| 362 |
} |
} |
| 363 |
|
|
| 379 |
glue (audio_pcm_hw_gc_, TYPE) (s, &sw->hw); |
glue (audio_pcm_hw_gc_, TYPE) (s, &sw->hw); |
| 380 |
qemu_free (sw); |
qemu_free (sw); |
| 381 |
} |
} |
| 382 |
|
|
| 383 |
void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw) |
void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw) |
| 384 |
{ |
{ |
| 385 |
if (sw) { |
if (sw) { |
| 399 |
const char *name, |
const char *name, |
| 400 |
void *callback_opaque , |
void *callback_opaque , |
| 401 |
audio_callback_fn_t callback_fn, |
audio_callback_fn_t callback_fn, |
| 402 |
audsettings_t *as |
audsettings_t *as, |
| 403 |
|
int sw_endian |
| 404 |
) |
) |
| 405 |
{ |
{ |
| 406 |
AudioState *s; |
AudioState *s; |
| 472 |
goto fail; |
goto fail; |
| 473 |
} |
} |
| 474 |
|
|
| 475 |
if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) { |
glue (audio_pcm_sw_fini_, TYPE) (sw); |
| 476 |
|
if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as, sw_endian)) { |
| 477 |
goto fail; |
goto fail; |
| 478 |
} |
} |
| 479 |
} |
} |
| 480 |
else { |
else { |
| 481 |
sw = glue (audio_pcm_create_voice_pair_, TYPE) (s, name, as); |
sw = glue (audio_pcm_create_voice_pair_, TYPE) (s, name, as, sw_endian); |
| 482 |
if (!sw) { |
if (!sw) { |
| 483 |
dolog ("Failed to create voice `%s'\n", name); |
dolog ("Failed to create voice `%s'\n", name); |
| 484 |
goto fail; |
return NULL; |
| 485 |
} |
} |
| 486 |
} |
} |
| 487 |
|
|
| 561 |
#undef TYPE |
#undef TYPE |
| 562 |
#undef HW |
#undef HW |
| 563 |
#undef SW |
#undef SW |
| 564 |
|
#undef HWBUF |
| 565 |
|
#undef NAME |