| 26 |
#define AUDIO_CAP "audio" |
#define AUDIO_CAP "audio" |
| 27 |
#include "audio_int.h" |
#include "audio_int.h" |
| 28 |
|
|
|
static void audio_pcm_hw_fini_in (HWVoiceIn *hw); |
|
|
static void audio_pcm_hw_fini_out (HWVoiceOut *hw); |
|
|
|
|
|
static LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; |
|
|
static LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; |
|
|
|
|
| 29 |
/* #define DEBUG_PLIVE */ |
/* #define DEBUG_PLIVE */ |
| 30 |
/* #define DEBUG_LIVE */ |
/* #define DEBUG_LIVE */ |
| 31 |
/* #define DEBUG_OUT */ |
/* #define DEBUG_OUT */ |
| 32 |
|
|
| 33 |
|
#define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
| 34 |
|
|
| 35 |
static struct audio_driver *drvtab[] = { |
static struct audio_driver *drvtab[] = { |
| 36 |
#ifdef CONFIG_OSS |
#ifdef CONFIG_OSS |
| 37 |
&oss_audio_driver, |
&oss_audio_driver, |
| 55 |
&wav_audio_driver |
&wav_audio_driver |
| 56 |
}; |
}; |
| 57 |
|
|
| 58 |
AudioState audio_state = { |
struct fixed_settings { |
| 59 |
/* Out */ |
int enabled; |
| 60 |
1, /* use fixed settings */ |
int nb_voices; |
| 61 |
44100, /* fixed frequency */ |
int greedy; |
| 62 |
2, /* fixed channels */ |
audsettings_t settings; |
| 63 |
AUD_FMT_S16, /* fixed format */ |
}; |
|
1, /* number of hw voices */ |
|
|
1, /* greedy */ |
|
|
|
|
|
/* In */ |
|
|
1, /* use fixed settings */ |
|
|
44100, /* fixed frequency */ |
|
|
2, /* fixed channels */ |
|
|
AUD_FMT_S16, /* fixed format */ |
|
|
1, /* number of hw voices */ |
|
|
1, /* greedy */ |
|
| 64 |
|
|
| 65 |
NULL, /* driver opaque */ |
static struct { |
| 66 |
NULL, /* driver */ |
struct fixed_settings fixed_out; |
| 67 |
|
struct fixed_settings fixed_in; |
| 68 |
|
union { |
| 69 |
|
int hz; |
| 70 |
|
int64_t ticks; |
| 71 |
|
} period; |
| 72 |
|
int plive; |
| 73 |
|
} conf = { |
| 74 |
|
{ /* DAC fixed settings */ |
| 75 |
|
1, /* enabled */ |
| 76 |
|
1, /* nb_voices */ |
| 77 |
|
1, /* greedy */ |
| 78 |
|
{ |
| 79 |
|
44100, /* freq */ |
| 80 |
|
2, /* nchannels */ |
| 81 |
|
AUD_FMT_S16 /* fmt */ |
| 82 |
|
} |
| 83 |
|
}, |
| 84 |
|
|
| 85 |
|
{ /* ADC fixed settings */ |
| 86 |
|
1, /* enabled */ |
| 87 |
|
1, /* nb_voices */ |
| 88 |
|
1, /* greedy */ |
| 89 |
|
{ |
| 90 |
|
44100, /* freq */ |
| 91 |
|
2, /* nchannels */ |
| 92 |
|
AUD_FMT_S16 /* fmt */ |
| 93 |
|
} |
| 94 |
|
}, |
| 95 |
|
|
|
NULL, /* timer handle */ |
|
| 96 |
{ 0 }, /* period */ |
{ 0 }, /* period */ |
| 97 |
0 /* plive */ |
0 /* plive */ |
| 98 |
}; |
}; |
| 99 |
|
|
| 100 |
|
static AudioState glob_audio_state; |
| 101 |
|
|
| 102 |
volume_t nominal_volume = { |
volume_t nominal_volume = { |
| 103 |
0, |
0, |
| 104 |
#ifdef FLOAT_MIXENG |
#ifdef FLOAT_MIXENG |
| 163 |
} |
} |
| 164 |
#endif |
#endif |
| 165 |
|
|
| 166 |
|
void *audio_calloc (const char *funcname, int nmemb, size_t size) |
| 167 |
|
{ |
| 168 |
|
int cond; |
| 169 |
|
size_t len; |
| 170 |
|
|
| 171 |
|
len = nmemb * size; |
| 172 |
|
cond = !nmemb || !size; |
| 173 |
|
cond |= nmemb < 0; |
| 174 |
|
cond |= len < size; |
| 175 |
|
|
| 176 |
|
if (audio_bug ("audio_calloc", cond)) { |
| 177 |
|
AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", |
| 178 |
|
funcname); |
| 179 |
|
AUD_log (NULL, "nmemb=%d size=%d (len=%d)\n", nmemb, size, len); |
| 180 |
|
return NULL; |
| 181 |
|
} |
| 182 |
|
|
| 183 |
|
return qemu_mallocz (len); |
| 184 |
|
} |
| 185 |
|
|
| 186 |
static char *audio_alloc_prefix (const char *s) |
static char *audio_alloc_prefix (const char *s) |
| 187 |
{ |
{ |
| 188 |
const char qemu_prefix[] = "QEMU_"; |
const char qemu_prefix[] = "QEMU_"; |
| 421 |
} |
} |
| 422 |
|
|
| 423 |
len = strlen (opt->name); |
len = strlen (opt->name); |
| 424 |
|
/* len of opt->name + len of prefix + size of qemu_prefix |
| 425 |
|
* (includes trailing zero) + zero + underscore (on behalf of |
| 426 |
|
* sizeof) */ |
| 427 |
optname = qemu_malloc (len + preflen + sizeof (qemu_prefix) + 1); |
optname = qemu_malloc (len + preflen + sizeof (qemu_prefix) + 1); |
| 428 |
if (!optname) { |
if (!optname) { |
| 429 |
dolog ("Can not allocate memory for option name `%s'\n", |
dolog ("Could not allocate memory for option name `%s'\n", |
| 430 |
opt->name); |
opt->name); |
| 431 |
continue; |
continue; |
| 432 |
} |
} |
| 433 |
|
|
| 434 |
strcpy (optname, qemu_prefix); |
strcpy (optname, qemu_prefix); |
| 435 |
|
|
| 436 |
|
/* copy while upper-casing, including trailing zero */ |
| 437 |
for (i = 0; i <= preflen; ++i) { |
for (i = 0; i <= preflen; ++i) { |
| 438 |
optname[i + sizeof (qemu_prefix) - 1] = toupper (prefix[i]); |
optname[i + sizeof (qemu_prefix) - 1] = toupper (prefix[i]); |
| 439 |
} |
} |
| 478 |
} |
} |
| 479 |
} |
} |
| 480 |
|
|
| 481 |
static int audio_pcm_info_eq (struct audio_pcm_info *info, int freq, |
static void audio_print_settings (audsettings_t *as) |
| 482 |
int nchannels, audfmt_e fmt) |
{ |
| 483 |
|
dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); |
| 484 |
|
|
| 485 |
|
switch (as->fmt) { |
| 486 |
|
case AUD_FMT_S8: |
| 487 |
|
AUD_log (NULL, "S8"); |
| 488 |
|
break; |
| 489 |
|
case AUD_FMT_U8: |
| 490 |
|
AUD_log (NULL, "U8"); |
| 491 |
|
break; |
| 492 |
|
case AUD_FMT_S16: |
| 493 |
|
AUD_log (NULL, "S16"); |
| 494 |
|
break; |
| 495 |
|
case AUD_FMT_U16: |
| 496 |
|
AUD_log (NULL, "U16"); |
| 497 |
|
break; |
| 498 |
|
default: |
| 499 |
|
AUD_log (NULL, "invalid(%d)", as->fmt); |
| 500 |
|
break; |
| 501 |
|
} |
| 502 |
|
AUD_log (NULL, "\n"); |
| 503 |
|
} |
| 504 |
|
|
| 505 |
|
static int audio_validate_settigs (audsettings_t *as) |
| 506 |
|
{ |
| 507 |
|
int invalid; |
| 508 |
|
|
| 509 |
|
invalid = as->nchannels != 1 && as->nchannels != 2; |
| 510 |
|
|
| 511 |
|
switch (as->fmt) { |
| 512 |
|
case AUD_FMT_S8: |
| 513 |
|
case AUD_FMT_U8: |
| 514 |
|
case AUD_FMT_S16: |
| 515 |
|
case AUD_FMT_U16: |
| 516 |
|
break; |
| 517 |
|
default: |
| 518 |
|
invalid = 1; |
| 519 |
|
break; |
| 520 |
|
} |
| 521 |
|
|
| 522 |
|
invalid |= as->freq <= 0; |
| 523 |
|
|
| 524 |
|
if (invalid) { |
| 525 |
|
return -1; |
| 526 |
|
} |
| 527 |
|
return 0; |
| 528 |
|
} |
| 529 |
|
|
| 530 |
|
static int audio_pcm_info_eq (struct audio_pcm_info *info, audsettings_t *as) |
| 531 |
{ |
{ |
| 532 |
int bits = 8, sign = 0; |
int bits = 8, sign = 0; |
| 533 |
|
|
| 534 |
switch (fmt) { |
switch (as->fmt) { |
| 535 |
case AUD_FMT_S8: |
case AUD_FMT_S8: |
| 536 |
sign = 1; |
sign = 1; |
| 537 |
case AUD_FMT_U8: |
case AUD_FMT_U8: |
| 543 |
bits = 16; |
bits = 16; |
| 544 |
break; |
break; |
| 545 |
} |
} |
| 546 |
return info->freq == freq |
return info->freq == as->freq |
| 547 |
&& info->nchannels == nchannels |
&& info->nchannels == as->nchannels |
| 548 |
&& info->sign == sign |
&& info->sign == sign |
| 549 |
&& info->bits == bits; |
&& info->bits == bits; |
| 550 |
} |
} |
| 551 |
|
|
| 552 |
void audio_pcm_init_info (struct audio_pcm_info *info, int freq, |
void audio_pcm_init_info ( |
| 553 |
int nchannels, audfmt_e fmt, int swap_endian) |
struct audio_pcm_info *info, |
| 554 |
|
audsettings_t *as, |
| 555 |
|
int swap_endian |
| 556 |
|
) |
| 557 |
{ |
{ |
| 558 |
int bits = 8, sign = 0; |
int bits = 8, sign = 0; |
| 559 |
|
|
| 560 |
switch (fmt) { |
switch (as->fmt) { |
| 561 |
case AUD_FMT_S8: |
case AUD_FMT_S8: |
| 562 |
sign = 1; |
sign = 1; |
| 563 |
case AUD_FMT_U8: |
case AUD_FMT_U8: |
| 570 |
break; |
break; |
| 571 |
} |
} |
| 572 |
|
|
| 573 |
info->freq = freq; |
info->freq = as->freq; |
| 574 |
info->bits = bits; |
info->bits = bits; |
| 575 |
info->sign = sign; |
info->sign = sign; |
| 576 |
info->nchannels = nchannels; |
info->nchannels = as->nchannels; |
| 577 |
info->shift = (nchannels == 2) + (bits == 16); |
info->shift = (as->nchannels == 2) + (bits == 16); |
| 578 |
info->align = (1 << info->shift) - 1; |
info->align = (1 << info->shift) - 1; |
| 579 |
info->bytes_per_second = info->freq << info->shift; |
info->bytes_per_second = info->freq << info->shift; |
| 580 |
info->swap_endian = swap_endian; |
info->swap_endian = swap_endian; |
| 623 |
|
|
| 624 |
static int audio_pcm_hw_alloc_resources_in (HWVoiceIn *hw) |
static int audio_pcm_hw_alloc_resources_in (HWVoiceIn *hw) |
| 625 |
{ |
{ |
| 626 |
hw->conv_buf = qemu_mallocz (hw->samples * sizeof (st_sample_t)); |
hw->conv_buf = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (st_sample_t)); |
| 627 |
if (!hw->conv_buf) { |
if (!hw->conv_buf) { |
| 628 |
|
dolog ("Could not allocate ADC conversion buffer (%d bytes)\n", |
| 629 |
|
hw->samples * sizeof (st_sample_t)); |
| 630 |
return -1; |
return -1; |
| 631 |
} |
} |
| 632 |
return 0; |
return 0; |
| 633 |
} |
} |
| 634 |
|
|
| 635 |
static int audio_pcm_hw_init_in (HWVoiceIn *hw, int freq, int nchannels, audfmt_e fmt) |
static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
|
{ |
|
|
audio_pcm_hw_fini_in (hw); |
|
|
|
|
|
if (hw->pcm_ops->init_in (hw, freq, nchannels, fmt)) { |
|
|
memset (hw, 0, audio_state.drv->voice_size_in); |
|
|
return -1; |
|
|
} |
|
|
LIST_INIT (&hw->sw_head); |
|
|
hw->active = 1; |
|
|
hw->samples = hw->bufsize >> hw->info.shift; |
|
|
hw->conv = |
|
|
mixeng_conv |
|
|
[nchannels == 2] |
|
|
[hw->info.sign] |
|
|
[hw->info.swap_endian] |
|
|
[hw->info.bits == 16]; |
|
|
if (audio_pcm_hw_alloc_resources_in (hw)) { |
|
|
audio_pcm_hw_free_resources_in (hw); |
|
|
return -1; |
|
|
} |
|
|
return 0; |
|
|
} |
|
|
|
|
|
static uint64_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
|
| 636 |
{ |
{ |
| 637 |
SWVoiceIn *sw; |
SWVoiceIn *sw; |
| 638 |
int m = hw->total_samples_captured; |
int m = hw->total_samples_captured; |
| 675 |
static int audio_pcm_sw_alloc_resources_in (SWVoiceIn *sw) |
static int audio_pcm_sw_alloc_resources_in (SWVoiceIn *sw) |
| 676 |
{ |
{ |
| 677 |
int samples = ((int64_t) sw->hw->samples << 32) / sw->ratio; |
int samples = ((int64_t) sw->hw->samples << 32) / sw->ratio; |
| 678 |
sw->conv_buf = qemu_mallocz (samples * sizeof (st_sample_t)); |
sw->conv_buf = audio_calloc (AUDIO_FUNC, samples, sizeof (st_sample_t)); |
| 679 |
if (!sw->conv_buf) { |
if (!sw->conv_buf) { |
| 680 |
|
dolog ("Could not allocate buffer for `%s' (%d bytes)\n", |
| 681 |
|
SW_NAME (sw), samples * sizeof (st_sample_t)); |
| 682 |
return -1; |
return -1; |
| 683 |
} |
} |
| 684 |
|
|
| 691 |
return 0; |
return 0; |
| 692 |
} |
} |
| 693 |
|
|
| 694 |
static int audio_pcm_sw_init_in (SWVoiceIn *sw, HWVoiceIn *hw, const char *name, |
static int audio_pcm_sw_init_in ( |
| 695 |
int freq, int nchannels, audfmt_e fmt) |
SWVoiceIn *sw, |
| 696 |
{ |
HWVoiceIn *hw, |
| 697 |
audio_pcm_init_info (&sw->info, freq, nchannels, fmt, |
const char *name, |
| 698 |
/* None of the cards emulated by QEMU are big-endian |
audsettings_t *as |
| 699 |
hence following shortcut */ |
) |
| 700 |
audio_need_to_swap_endian (0)); |
{ |
| 701 |
|
/* None of the cards emulated by QEMU are big-endian |
| 702 |
|
hence following shortcut */ |
| 703 |
|
audio_pcm_init_info (&sw->info, as, audio_need_to_swap_endian (0)); |
| 704 |
sw->hw = hw; |
sw->hw = hw; |
| 705 |
sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq; |
sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq; |
| 706 |
|
|
| 707 |
sw->clip = |
sw->clip = |
| 708 |
mixeng_clip |
mixeng_clip |
| 709 |
[nchannels == 2] |
[sw->info.nchannels == 2] |
| 710 |
[sw->info.sign] |
[sw->info.sign] |
| 711 |
[sw->info.swap_endian] |
[sw->info.swap_endian] |
| 712 |
[sw->info.bits == 16]; |
[sw->info.bits == 16]; |
| 773 |
|
|
| 774 |
if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
| 775 |
dolog ("osamp=%d\n", osamp); |
dolog ("osamp=%d\n", osamp); |
| 776 |
|
return 0; |
| 777 |
} |
} |
| 778 |
|
|
| 779 |
st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
| 792 |
/* |
/* |
| 793 |
* Hard voice (playback) |
* Hard voice (playback) |
| 794 |
*/ |
*/ |
|
static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
|
|
{ |
|
|
SWVoiceOut *sw; |
|
|
int m = INT_MAX; |
|
|
int nb_live = 0; |
|
|
|
|
|
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
|
|
if (sw->active || !sw->empty) { |
|
|
m = audio_MIN (m, sw->total_hw_samples_mixed); |
|
|
nb_live += 1; |
|
|
} |
|
|
} |
|
|
|
|
|
*nb_livep = nb_live; |
|
|
return m; |
|
|
} |
|
|
|
|
| 795 |
static void audio_pcm_hw_free_resources_out (HWVoiceOut *hw) |
static void audio_pcm_hw_free_resources_out (HWVoiceOut *hw) |
| 796 |
{ |
{ |
| 797 |
if (hw->mix_buf) { |
if (hw->mix_buf) { |
| 803 |
|
|
| 804 |
static int audio_pcm_hw_alloc_resources_out (HWVoiceOut *hw) |
static int audio_pcm_hw_alloc_resources_out (HWVoiceOut *hw) |
| 805 |
{ |
{ |
| 806 |
hw->mix_buf = qemu_mallocz (hw->samples * sizeof (st_sample_t)); |
hw->mix_buf = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (st_sample_t)); |
| 807 |
if (!hw->mix_buf) { |
if (!hw->mix_buf) { |
| 808 |
|
dolog ("Could not allocate DAC mixing buffer (%d bytes)\n", |
| 809 |
|
hw->samples * sizeof (st_sample_t)); |
| 810 |
return -1; |
return -1; |
| 811 |
} |
} |
| 812 |
|
|
| 813 |
return 0; |
return 0; |
| 814 |
} |
} |
| 815 |
|
|
| 816 |
static int audio_pcm_hw_init_out (HWVoiceOut *hw, int freq, |
static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
|
int nchannels, audfmt_e fmt) |
|
| 817 |
{ |
{ |
| 818 |
audio_pcm_hw_fini_out (hw); |
SWVoiceOut *sw; |
| 819 |
if (hw->pcm_ops->init_out (hw, freq, nchannels, fmt)) { |
int m = INT_MAX; |
| 820 |
memset (hw, 0, audio_state.drv->voice_size_out); |
int nb_live = 0; |
|
return -1; |
|
|
} |
|
| 821 |
|
|
| 822 |
LIST_INIT (&hw->sw_head); |
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 823 |
hw->active = 1; |
if (sw->active || !sw->empty) { |
| 824 |
hw->samples = hw->bufsize >> hw->info.shift; |
m = audio_MIN (m, sw->total_hw_samples_mixed); |
| 825 |
hw->clip = |
nb_live += 1; |
| 826 |
mixeng_clip |
} |
|
[nchannels == 2] |
|
|
[hw->info.sign] |
|
|
[hw->info.swap_endian] |
|
|
[hw->info.bits == 16]; |
|
|
if (audio_pcm_hw_alloc_resources_out (hw)) { |
|
|
audio_pcm_hw_fini_out (hw); |
|
|
return -1; |
|
| 827 |
} |
} |
| 828 |
return 0; |
|
| 829 |
|
*nb_livep = nb_live; |
| 830 |
|
return m; |
| 831 |
} |
} |
| 832 |
|
|
| 833 |
int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live) |
int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live) |
| 882 |
|
|
| 883 |
static int audio_pcm_sw_alloc_resources_out (SWVoiceOut *sw) |
static int audio_pcm_sw_alloc_resources_out (SWVoiceOut *sw) |
| 884 |
{ |
{ |
| 885 |
sw->buf = qemu_mallocz (sw->hw->samples * sizeof (st_sample_t)); |
sw->buf = audio_calloc (AUDIO_FUNC, sw->hw->samples, sizeof (st_sample_t)); |
| 886 |
if (!sw->buf) { |
if (!sw->buf) { |
| 887 |
|
dolog ("Could not allocate buffer for `%s' (%d bytes)\n", |
| 888 |
|
SW_NAME (sw), sw->hw->samples * sizeof (st_sample_t)); |
| 889 |
return -1; |
return -1; |
| 890 |
} |
} |
| 891 |
|
|
| 898 |
return 0; |
return 0; |
| 899 |
} |
} |
| 900 |
|
|
| 901 |
static int audio_pcm_sw_init_out (SWVoiceOut *sw, HWVoiceOut *hw, |
static int audio_pcm_sw_init_out ( |
| 902 |
const char *name, int freq, |
SWVoiceOut *sw, |
| 903 |
int nchannels, audfmt_e fmt) |
HWVoiceOut *hw, |
| 904 |
{ |
const char *name, |
| 905 |
audio_pcm_init_info (&sw->info, freq, nchannels, fmt, |
audsettings_t *as |
| 906 |
/* None of the cards emulated by QEMU are big-endian |
) |
| 907 |
hence following shortcut */ |
{ |
| 908 |
audio_need_to_swap_endian (0)); |
/* None of the cards emulated by QEMU are big-endian |
| 909 |
|
hence following shortcut */ |
| 910 |
|
audio_pcm_init_info (&sw->info, as, audio_need_to_swap_endian (0)); |
| 911 |
sw->hw = hw; |
sw->hw = hw; |
| 912 |
sw->empty = 1; |
sw->empty = 1; |
| 913 |
sw->active = 0; |
sw->active = 0; |
| 916 |
|
|
| 917 |
sw->conv = |
sw->conv = |
| 918 |
mixeng_conv |
mixeng_conv |
| 919 |
[nchannels == 2] |
[sw->info.nchannels == 2] |
| 920 |
[sw->info.sign] |
[sw->info.sign] |
| 921 |
[sw->info.swap_endian] |
[sw->info.swap_endian] |
| 922 |
[sw->info.bits == 16]; |
[sw->info.bits == 16]; |
| 986 |
|
|
| 987 |
#ifdef DEBUG_OUT |
#ifdef DEBUG_OUT |
| 988 |
dolog ( |
dolog ( |
| 989 |
"%s: write size %d ret %d total sw %d, hw %d\n", |
"%s: write size %d ret %d total sw %d\n", |
| 990 |
sw->name, |
SW_NAME (sw), |
| 991 |
size >> sw->info.shift, |
size >> sw->info.shift, |
| 992 |
ret, |
ret, |
| 993 |
sw->total_hw_samples_mixed, |
sw->total_hw_samples_mixed |
|
sw->hw->total_samples_played |
|
| 994 |
); |
); |
| 995 |
#endif |
#endif |
| 996 |
|
|
| 1020 |
} |
} |
| 1021 |
|
|
| 1022 |
if (!sw->hw->enabled) { |
if (!sw->hw->enabled) { |
| 1023 |
dolog ("Writing to disabled voice %s\n", sw->name); |
dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
| 1024 |
return 0; |
return 0; |
| 1025 |
} |
} |
| 1026 |
|
|
| 1038 |
} |
} |
| 1039 |
|
|
| 1040 |
if (!sw->hw->enabled) { |
if (!sw->hw->enabled) { |
| 1041 |
dolog ("Reading from disabled voice %s\n", sw->name); |
dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
| 1042 |
return 0; |
return 0; |
| 1043 |
} |
} |
| 1044 |
|
|
| 1048 |
|
|
| 1049 |
int AUD_get_buffer_size_out (SWVoiceOut *sw) |
int AUD_get_buffer_size_out (SWVoiceOut *sw) |
| 1050 |
{ |
{ |
| 1051 |
return sw->hw->bufsize; |
return sw->hw->samples << sw->hw->info.shift; |
| 1052 |
} |
} |
| 1053 |
|
|
| 1054 |
void AUD_set_active_out (SWVoiceOut *sw, int on) |
void AUD_set_active_out (SWVoiceOut *sw, int on) |
| 1146 |
|
|
| 1147 |
ldebug ( |
ldebug ( |
| 1148 |
"%s: get_avail live %d ret %lld\n", |
"%s: get_avail live %d ret %lld\n", |
| 1149 |
sw->name, |
SW_NAME (sw), |
| 1150 |
live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift |
live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift |
| 1151 |
); |
); |
| 1152 |
|
|
| 1165 |
|
|
| 1166 |
if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
| 1167 |
dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); |
dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); |
| 1168 |
|
return 0; |
| 1169 |
} |
} |
| 1170 |
|
|
| 1171 |
dead = sw->hw->samples - live; |
dead = sw->hw->samples - live; |
| 1172 |
|
|
| 1173 |
#ifdef DEBUG_OUT |
#ifdef DEBUG_OUT |
| 1174 |
dolog ("%s: get_free live %d dead %d ret %lld\n", |
dolog ("%s: get_free live %d dead %d ret %lld\n", |
| 1175 |
sw->name, |
SW_NAME (sw), |
| 1176 |
live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift); |
live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift); |
| 1177 |
#endif |
#endif |
| 1178 |
|
|
| 1179 |
return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; |
return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; |
| 1180 |
} |
} |
| 1181 |
|
|
| 1182 |
static void audio_run_out (void) |
static void audio_run_out (AudioState *s) |
| 1183 |
{ |
{ |
| 1184 |
HWVoiceOut *hw = NULL; |
HWVoiceOut *hw = NULL; |
| 1185 |
SWVoiceOut *sw; |
SWVoiceOut *sw; |
| 1186 |
|
|
| 1187 |
while ((hw = audio_pcm_hw_find_any_active_enabled_out (hw))) { |
while ((hw = audio_pcm_hw_find_any_enabled_out (s, hw))) { |
| 1188 |
int played; |
int played; |
| 1189 |
int live, free, nb_live; |
int live, free, nb_live, cleanup_required; |
| 1190 |
|
|
| 1191 |
live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
| 1192 |
if (!nb_live) { |
if (!nb_live) { |
| 1193 |
live = 0; |
live = 0; |
| 1194 |
} |
} |
| 1195 |
|
|
| 1196 |
if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 1197 |
dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
| 1198 |
|
continue; |
| 1199 |
} |
} |
| 1200 |
|
|
| 1201 |
if (hw->pending_disable && !nb_live) { |
if (hw->pending_disable && !nb_live) { |
| 1228 |
} |
} |
| 1229 |
|
|
| 1230 |
#ifdef DEBUG_OUT |
#ifdef DEBUG_OUT |
| 1231 |
dolog ("played = %d total %d\n", played, hw->total_samples_played); |
dolog ("played=%d\n", played); |
| 1232 |
#endif |
#endif |
| 1233 |
|
|
| 1234 |
if (played) { |
if (played) { |
| 1235 |
hw->ts_helper += played; |
hw->ts_helper += played; |
| 1236 |
} |
} |
| 1237 |
|
|
| 1238 |
|
cleanup_required = 0; |
| 1239 |
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
|
again: |
|
| 1240 |
if (!sw->active && sw->empty) { |
if (!sw->active && sw->empty) { |
| 1241 |
continue; |
continue; |
| 1242 |
} |
} |
| 1251 |
|
|
| 1252 |
if (!sw->total_hw_samples_mixed) { |
if (!sw->total_hw_samples_mixed) { |
| 1253 |
sw->empty = 1; |
sw->empty = 1; |
| 1254 |
|
cleanup_required |= !sw->active && !sw->callback.fn; |
|
if (!sw->active && !sw->callback.fn) { |
|
|
SWVoiceOut *temp = sw->entries.le_next; |
|
|
|
|
|
#ifdef DEBUG_PLIVE |
|
|
dolog ("Finishing with old voice\n"); |
|
|
#endif |
|
|
AUD_close_out (sw); |
|
|
sw = temp; |
|
|
if (sw) { |
|
|
goto again; |
|
|
} |
|
|
else { |
|
|
break; |
|
|
} |
|
|
} |
|
| 1255 |
} |
} |
| 1256 |
|
|
| 1257 |
if (sw->active) { |
if (sw->active) { |
| 1261 |
} |
} |
| 1262 |
} |
} |
| 1263 |
} |
} |
| 1264 |
|
|
| 1265 |
|
if (cleanup_required) { |
| 1266 |
|
restart: |
| 1267 |
|
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 1268 |
|
if (!sw->active && !sw->callback.fn) { |
| 1269 |
|
#ifdef DEBUG_PLIVE |
| 1270 |
|
dolog ("Finishing with old voice\n"); |
| 1271 |
|
#endif |
| 1272 |
|
audio_close_out (s, sw); |
| 1273 |
|
goto restart; /* play it safe */ |
| 1274 |
|
} |
| 1275 |
|
} |
| 1276 |
|
} |
| 1277 |
} |
} |
| 1278 |
} |
} |
| 1279 |
|
|
| 1280 |
static void audio_run_in (void) |
static void audio_run_in (AudioState *s) |
| 1281 |
{ |
{ |
| 1282 |
HWVoiceIn *hw = NULL; |
HWVoiceIn *hw = NULL; |
| 1283 |
|
|
| 1284 |
while ((hw = audio_pcm_hw_find_any_active_enabled_in (hw))) { |
while ((hw = audio_pcm_hw_find_any_enabled_in (s, hw))) { |
| 1285 |
SWVoiceIn *sw; |
SWVoiceIn *sw; |
| 1286 |
int captured, min; |
int captured, min; |
| 1287 |
|
|
| 1308 |
|
|
| 1309 |
static struct audio_option audio_options[] = { |
static struct audio_option audio_options[] = { |
| 1310 |
/* DAC */ |
/* DAC */ |
| 1311 |
{"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &audio_state.fixed_settings_out, |
{"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_out.enabled, |
| 1312 |
"Use fixed settings for host DAC", NULL, 0}, |
"Use fixed settings for host DAC", NULL, 0}, |
| 1313 |
|
|
| 1314 |
{"DAC_FIXED_FREQ", AUD_OPT_INT, &audio_state.fixed_freq_out, |
{"DAC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_out.settings.freq, |
| 1315 |
"Frequency for fixed host DAC", NULL, 0}, |
"Frequency for fixed host DAC", NULL, 0}, |
| 1316 |
|
|
| 1317 |
{"DAC_FIXED_FMT", AUD_OPT_FMT, &audio_state.fixed_fmt_out, |
{"DAC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_out.settings.fmt, |
| 1318 |
"Format for fixed host DAC", NULL, 0}, |
"Format for fixed host DAC", NULL, 0}, |
| 1319 |
|
|
| 1320 |
{"DAC_FIXED_CHANNELS", AUD_OPT_INT, &audio_state.fixed_channels_out, |
{"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_out.settings.nchannels, |
| 1321 |
"Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0}, |
"Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0}, |
| 1322 |
|
|
| 1323 |
{"DAC_VOICES", AUD_OPT_INT, &audio_state.nb_hw_voices_out, |
{"DAC_VOICES", AUD_OPT_INT, &conf.fixed_out.nb_voices, |
| 1324 |
"Number of voices for DAC", NULL, 0}, |
"Number of voices for DAC", NULL, 0}, |
| 1325 |
|
|
| 1326 |
/* ADC */ |
/* ADC */ |
| 1327 |
{"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &audio_state.fixed_settings_out, |
{"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_in.enabled, |
| 1328 |
"Use fixed settings for host ADC", NULL, 0}, |
"Use fixed settings for host ADC", NULL, 0}, |
| 1329 |
|
|
| 1330 |
{"ADC_FIXED_FREQ", AUD_OPT_INT, &audio_state.fixed_freq_out, |
{"ADC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_in.settings.freq, |
| 1331 |
"Frequency for fixed ADC", NULL, 0}, |
"Frequency for fixed host ADC", NULL, 0}, |
| 1332 |
|
|
| 1333 |
{"ADC_FIXED_FMT", AUD_OPT_FMT, &audio_state.fixed_fmt_out, |
{"ADC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_in.settings.fmt, |
| 1334 |
"Format for fixed ADC", NULL, 0}, |
"Format for fixed host ADC", NULL, 0}, |
| 1335 |
|
|
| 1336 |
{"ADC_FIXED_CHANNELS", AUD_OPT_INT, &audio_state.fixed_channels_in, |
{"ADC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_in.settings.nchannels, |
| 1337 |
"Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0}, |
"Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0}, |
| 1338 |
|
|
| 1339 |
{"ADC_VOICES", AUD_OPT_INT, &audio_state.nb_hw_voices_out, |
{"ADC_VOICES", AUD_OPT_INT, &conf.fixed_in.nb_voices, |
| 1340 |
"Number of voices for ADC", NULL, 0}, |
"Number of voices for ADC", NULL, 0}, |
| 1341 |
|
|
| 1342 |
/* Misc */ |
/* Misc */ |
| 1343 |
{"TIMER_PERIOD", AUD_OPT_INT, &audio_state.period.usec, |
{"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hz, |
| 1344 |
"Timer period in microseconds (0 - try lowest possible)", NULL, 0}, |
"Timer period in HZ (0 - use lowest possible)", NULL, 0}, |
| 1345 |
|
|
| 1346 |
{"PLIVE", AUD_OPT_BOOL, &audio_state.plive, |
{"PLIVE", AUD_OPT_BOOL, &conf.plive, |
| 1347 |
"(undocumented)", NULL, 0}, |
"(undocumented)", NULL, 0}, |
| 1348 |
|
|
| 1349 |
{NULL, 0, NULL, NULL, NULL, 0} |
{NULL, 0, NULL, NULL, NULL, 0} |
| 1434 |
{ |
{ |
| 1435 |
AudioState *s = opaque; |
AudioState *s = opaque; |
| 1436 |
|
|
| 1437 |
audio_run_out (); |
audio_run_out (s); |
| 1438 |
audio_run_in (); |
audio_run_in (s); |
| 1439 |
|
|
| 1440 |
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + s->period.ticks); |
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
| 1441 |
} |
} |
| 1442 |
|
|
| 1443 |
static int audio_driver_init (struct audio_driver *drv) |
static int audio_driver_init (AudioState *s, struct audio_driver *drv) |
| 1444 |
{ |
{ |
| 1445 |
if (drv->options) { |
if (drv->options) { |
| 1446 |
audio_process_options (drv->name, drv->options); |
audio_process_options (drv->name, drv->options); |
| 1447 |
} |
} |
| 1448 |
audio_state.opaque = drv->init (); |
s->drv_opaque = drv->init (); |
|
|
|
|
if (audio_state.opaque) { |
|
|
int i; |
|
|
HWVoiceOut *hwo; |
|
|
HWVoiceIn *hwi; |
|
| 1449 |
|
|
| 1450 |
if (audio_state.nb_hw_voices_out > drv->max_voices_out) { |
if (s->drv_opaque) { |
| 1451 |
|
if (s->nb_hw_voices_out > drv->max_voices_out) { |
| 1452 |
if (!drv->max_voices_out) { |
if (!drv->max_voices_out) { |
| 1453 |
dolog ("`%s' does not support DAC\n", drv->name); |
dolog ("`%s' does not support DAC\n", drv->name); |
| 1454 |
} |
} |
| 1457 |
"`%s' does not support %d multiple DAC voicess\n" |
"`%s' does not support %d multiple DAC voicess\n" |
| 1458 |
"Resetting to %d\n", |
"Resetting to %d\n", |
| 1459 |
drv->name, |
drv->name, |
| 1460 |
audio_state.nb_hw_voices_out, |
s->nb_hw_voices_out, |
| 1461 |
drv->max_voices_out |
drv->max_voices_out |
| 1462 |
); |
); |
| 1463 |
} |
} |
| 1464 |
audio_state.nb_hw_voices_out = drv->max_voices_out; |
s->nb_hw_voices_out = drv->max_voices_out; |
| 1465 |
} |
} |
| 1466 |
|
|
|
LIST_INIT (&hw_head_out); |
|
|
hwo = qemu_mallocz (audio_state.nb_hw_voices_out * drv->voice_size_out); |
|
|
if (!hwo) { |
|
|
dolog ( |
|
|
"Not enough memory for %d `%s' DAC voices (each %d bytes)\n", |
|
|
audio_state.nb_hw_voices_out, |
|
|
drv->name, |
|
|
drv->voice_size_out |
|
|
); |
|
|
drv->fini (audio_state.opaque); |
|
|
return -1; |
|
|
} |
|
|
|
|
|
for (i = 0; i < audio_state.nb_hw_voices_out; ++i) { |
|
|
LIST_INSERT_HEAD (&hw_head_out, hwo, entries); |
|
|
hwo = advance (hwo, drv->voice_size_out); |
|
|
} |
|
| 1467 |
|
|
| 1468 |
if (!drv->voice_size_in && drv->max_voices_in) { |
if (!drv->voice_size_in && drv->max_voices_in) { |
| 1469 |
ldebug ("warning: No ADC voice size defined for `%s'\n", |
ldebug ("warning: No ADC voice size defined for `%s'\n", |
| 1477 |
} |
} |
| 1478 |
|
|
| 1479 |
if (drv->voice_size_in && !drv->max_voices_in) { |
if (drv->voice_size_in && !drv->max_voices_in) { |
| 1480 |
ldebug ("warning: ADC voice size is %d for ADC less driver `%s'\n", |
ldebug ("warning: `%s' ADC voice size %d, zero voices \n", |
| 1481 |
drv->voice_size_out, drv->name); |
drv->name, drv->voice_size_out); |
| 1482 |
} |
} |
| 1483 |
|
|
| 1484 |
if (drv->voice_size_out && !drv->max_voices_out) { |
if (drv->voice_size_out && !drv->max_voices_out) { |
| 1485 |
ldebug ("warning: DAC voice size is %d for DAC less driver `%s'\n", |
ldebug ("warning: `%s' DAC voice size %d, zero voices \n", |
| 1486 |
drv->voice_size_in, drv->name); |
drv->name, drv->voice_size_in); |
| 1487 |
} |
} |
| 1488 |
|
|
| 1489 |
if (audio_state.nb_hw_voices_in > drv->max_voices_in) { |
if (s->nb_hw_voices_in > drv->max_voices_in) { |
| 1490 |
if (!drv->max_voices_in) { |
if (!drv->max_voices_in) { |
| 1491 |
ldebug ("`%s' does not support ADC\n", drv->name); |
ldebug ("`%s' does not support ADC\n", drv->name); |
| 1492 |
} |
} |
| 1495 |
"`%s' does not support %d multiple ADC voices\n" |
"`%s' does not support %d multiple ADC voices\n" |
| 1496 |
"Resetting to %d\n", |
"Resetting to %d\n", |
| 1497 |
drv->name, |
drv->name, |
| 1498 |
audio_state.nb_hw_voices_in, |
s->nb_hw_voices_in, |
| 1499 |
drv->max_voices_in |
drv->max_voices_in |
| 1500 |
); |
); |
| 1501 |
} |
} |
| 1502 |
audio_state.nb_hw_voices_in = drv->max_voices_in; |
s->nb_hw_voices_in = drv->max_voices_in; |
|
} |
|
|
|
|
|
LIST_INIT (&hw_head_in); |
|
|
hwi = qemu_mallocz (audio_state.nb_hw_voices_in * drv->voice_size_in); |
|
|
if (!hwi) { |
|
|
dolog ( |
|
|
"Not enough memory for %d `%s' ADC voices (each %d bytes)\n", |
|
|
audio_state.nb_hw_voices_in, |
|
|
drv->name, |
|
|
drv->voice_size_in |
|
|
); |
|
|
qemu_free (hwo); |
|
|
drv->fini (audio_state.opaque); |
|
|
return -1; |
|
|
} |
|
|
|
|
|
for (i = 0; i < audio_state.nb_hw_voices_in; ++i) { |
|
|
LIST_INSERT_HEAD (&hw_head_in, hwi, entries); |
|
|
hwi = advance (hwi, drv->voice_size_in); |
|
| 1503 |
} |
} |
| 1504 |
|
|
| 1505 |
audio_state.drv = drv; |
LIST_INIT (&s->hw_head_out); |
| 1506 |
|
LIST_INIT (&s->hw_head_in); |
| 1507 |
|
s->drv = drv; |
| 1508 |
return 0; |
return 0; |
| 1509 |
} |
} |
| 1510 |
else { |
else { |
| 1515 |
|
|
| 1516 |
static void audio_vm_stop_handler (void *opaque, int reason) |
static void audio_vm_stop_handler (void *opaque, int reason) |
| 1517 |
{ |
{ |
| 1518 |
|
AudioState *s = opaque; |
| 1519 |
HWVoiceOut *hwo = NULL; |
HWVoiceOut *hwo = NULL; |
| 1520 |
HWVoiceIn *hwi = NULL; |
HWVoiceIn *hwi = NULL; |
| 1521 |
int op = reason ? VOICE_ENABLE : VOICE_DISABLE; |
int op = reason ? VOICE_ENABLE : VOICE_DISABLE; |
| 1522 |
|
|
| 1523 |
(void) opaque; |
while ((hwo = audio_pcm_hw_find_any_out (s, hwo))) { |
|
while ((hwo = audio_pcm_hw_find_any_out (hwo))) { |
|
| 1524 |
if (!hwo->pcm_ops) { |
if (!hwo->pcm_ops) { |
| 1525 |
continue; |
continue; |
| 1526 |
} |
} |
| 1530 |
} |
} |
| 1531 |
} |
} |
| 1532 |
|
|
| 1533 |
while ((hwi = audio_pcm_hw_find_any_in (hwi))) { |
while ((hwi = audio_pcm_hw_find_any_in (s, hwi))) { |
| 1534 |
if (!hwi->pcm_ops) { |
if (!hwi->pcm_ops) { |
| 1535 |
continue; |
continue; |
| 1536 |
} |
} |
| 1543 |
|
|
| 1544 |
static void audio_atexit (void) |
static void audio_atexit (void) |
| 1545 |
{ |
{ |
| 1546 |
|
AudioState *s = &glob_audio_state; |
| 1547 |
HWVoiceOut *hwo = NULL; |
HWVoiceOut *hwo = NULL; |
| 1548 |
HWVoiceIn *hwi = NULL; |
HWVoiceIn *hwi = NULL; |
| 1549 |
|
|
| 1550 |
while ((hwo = audio_pcm_hw_find_any_out (hwo))) { |
while ((hwo = audio_pcm_hw_find_any_out (s, hwo))) { |
| 1551 |
if (!hwo->pcm_ops) { |
if (!hwo->pcm_ops) { |
| 1552 |
continue; |
continue; |
| 1553 |
} |
} |
| 1558 |
hwo->pcm_ops->fini_out (hwo); |
hwo->pcm_ops->fini_out (hwo); |
| 1559 |
} |
} |
| 1560 |
|
|
| 1561 |
while ((hwi = audio_pcm_hw_find_any_in (hwi))) { |
while ((hwi = audio_pcm_hw_find_any_in (s, hwi))) { |
| 1562 |
if (!hwi->pcm_ops) { |
if (!hwi->pcm_ops) { |
| 1563 |
continue; |
continue; |
| 1564 |
} |
} |
| 1568 |
} |
} |
| 1569 |
hwi->pcm_ops->fini_in (hwi); |
hwi->pcm_ops->fini_in (hwi); |
| 1570 |
} |
} |
| 1571 |
audio_state.drv->fini (audio_state.opaque); |
|
| 1572 |
|
if (s->drv) { |
| 1573 |
|
s->drv->fini (s->drv_opaque); |
| 1574 |
|
} |
| 1575 |
} |
} |
| 1576 |
|
|
| 1577 |
static void audio_save (QEMUFile *f, void *opaque) |
static void audio_save (QEMUFile *f, void *opaque) |
| 1592 |
return 0; |
return 0; |
| 1593 |
} |
} |
| 1594 |
|
|
| 1595 |
void AUD_init (void) |
void AUD_register_card (AudioState *s, const char *name, QEMUSoundCard *card) |
| 1596 |
|
{ |
| 1597 |
|
card->audio = s; |
| 1598 |
|
card->name = qemu_strdup (name); |
| 1599 |
|
memset (&card->entries, 0, sizeof (card->entries)); |
| 1600 |
|
LIST_INSERT_HEAD (&s->card_head, card, entries); |
| 1601 |
|
} |
| 1602 |
|
|
| 1603 |
|
void AUD_remove_card (QEMUSoundCard *card) |
| 1604 |
|
{ |
| 1605 |
|
LIST_REMOVE (card, entries); |
| 1606 |
|
card->audio = NULL; |
| 1607 |
|
qemu_free (card->name); |
| 1608 |
|
} |
| 1609 |
|
|
| 1610 |
|
AudioState *AUD_init (void) |
| 1611 |
{ |
{ |
| 1612 |
size_t i; |
size_t i; |
| 1613 |
int done = 0; |
int done = 0; |
| 1614 |
const char *drvname; |
const char *drvname; |
| 1615 |
AudioState *s = &audio_state; |
AudioState *s = &glob_audio_state; |
| 1616 |
|
|
| 1617 |
audio_process_options ("AUDIO", audio_options); |
audio_process_options ("AUDIO", audio_options); |
| 1618 |
|
|
| 1619 |
|
s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
| 1620 |
|
s->nb_hw_voices_in = conf.fixed_in.nb_voices; |
| 1621 |
|
|
| 1622 |
if (s->nb_hw_voices_out <= 0) { |
if (s->nb_hw_voices_out <= 0) { |
| 1623 |
dolog ("Bogus number of DAC voices %d\n", |
dolog ("Bogus number of DAC voices %d\n", |
| 1624 |
s->nb_hw_voices_out); |
s->nb_hw_voices_out); |
| 1638 |
|
|
| 1639 |
s->ts = qemu_new_timer (vm_clock, audio_timer, s); |
s->ts = qemu_new_timer (vm_clock, audio_timer, s); |
| 1640 |
if (!s->ts) { |
if (!s->ts) { |
| 1641 |
dolog ("Can not create audio timer\n"); |
dolog ("Could not create audio timer\n"); |
| 1642 |
return; |
return NULL; |
| 1643 |
} |
} |
| 1644 |
|
|
| 1645 |
if (drvname) { |
if (drvname) { |
| 1647 |
|
|
| 1648 |
for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
| 1649 |
if (!strcmp (drvname, drvtab[i]->name)) { |
if (!strcmp (drvname, drvtab[i]->name)) { |
| 1650 |
done = !audio_driver_init (drvtab[i]); |
done = !audio_driver_init (s, drvtab[i]); |
| 1651 |
found = 1; |
found = 1; |
| 1652 |
break; |
break; |
| 1653 |
} |
} |
| 1659 |
} |
} |
| 1660 |
} |
} |
| 1661 |
|
|
|
qemu_add_vm_stop_handler (audio_vm_stop_handler, NULL); |
|
|
atexit (audio_atexit); |
|
|
|
|
| 1662 |
if (!done) { |
if (!done) { |
| 1663 |
for (i = 0; !done && i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
for (i = 0; !done && i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
| 1664 |
if (drvtab[i]->can_be_default) { |
if (drvtab[i]->can_be_default) { |
| 1665 |
done = !audio_driver_init (drvtab[i]); |
done = !audio_driver_init (s, drvtab[i]); |
| 1666 |
} |
} |
| 1667 |
} |
} |
| 1668 |
} |
} |
| 1669 |
|
|
|
register_savevm ("audio", 0, 1, audio_save, audio_load, NULL); |
|
| 1670 |
if (!done) { |
if (!done) { |
| 1671 |
if (audio_driver_init (&no_audio_driver)) { |
done = !audio_driver_init (s, &no_audio_driver); |
| 1672 |
dolog ("Can not initialize audio subsystem\n"); |
if (!done) { |
| 1673 |
|
dolog ("Could not initialize audio subsystem\n"); |
| 1674 |
} |
} |
| 1675 |
else { |
else { |
| 1676 |
dolog ("warning: using timer based audio emulation\n"); |
dolog ("warning: Using timer based audio emulation\n"); |
| 1677 |
} |
} |
| 1678 |
} |
} |
| 1679 |
|
|
| 1680 |
if (s->period.usec <= 0) { |
if (done) { |
| 1681 |
if (s->period.usec < 0) { |
if (conf.period.hz <= 0) { |
| 1682 |
dolog ("warning: timer period is negative - %d treating as zero\n", |
if (conf.period.hz < 0) { |
| 1683 |
s->period.usec); |
dolog ("warning: Timer period is negative - %d " |
| 1684 |
|
"treating as zero\n", |
| 1685 |
|
conf.period.hz); |
| 1686 |
|
} |
| 1687 |
|
conf.period.ticks = 1; |
| 1688 |
|
} |
| 1689 |
|
else { |
| 1690 |
|
conf.period.ticks = ticks_per_sec / conf.period.hz; |
| 1691 |
} |
} |
| 1692 |
s->period.ticks = 1; |
|
| 1693 |
|
qemu_add_vm_stop_handler (audio_vm_stop_handler, NULL); |
| 1694 |
} |
} |
| 1695 |
else { |
else { |
| 1696 |
s->period.ticks = (ticks_per_sec * s->period.usec) / 1000000; |
qemu_del_timer (s->ts); |
| 1697 |
|
return NULL; |
| 1698 |
} |
} |
| 1699 |
|
|
| 1700 |
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + s->period.ticks); |
LIST_INIT (&s->card_head); |
| 1701 |
|
register_savevm ("audio", 0, 1, audio_save, audio_load, s); |
| 1702 |
|
atexit (audio_atexit); |
| 1703 |
|
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
| 1704 |
|
return s; |
| 1705 |
} |
} |