/* #define DEBUG_LIVE */
/* #define DEBUG_OUT */
/* #define DEBUG_CAPTURE */
+/* #define DEBUG_POLL */
#define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown"
+
+/* Order of CONFIG_AUDIO_DRIVERS is import.
+ The 1st one is the one used by default, that is the reason
+ that we generate the list.
+*/
static struct audio_driver *drvtab[] = {
- AUDIO_DRIVERS
+#ifdef CONFIG_SPICE
+ &spice_audio_driver,
+#endif
+ CONFIG_AUDIO_DRIVERS
&no_audio_driver,
&wav_audio_driver
};
} period;
int plive;
int log_to_monitor;
+ int try_poll_in;
+ int try_poll_out;
} conf = {
.fixed_out = { /* DAC fixed settings */
.enabled = 1,
}
},
- .period = { .ticks = 250 },
+ .period = { .hertz = 250 },
.plive = 0,
.log_to_monitor = 0,
+ .try_poll_in = 1,
+ .try_poll_out = 1,
};
static AudioState glob_audio_state;
-struct mixeng_volume nominal_volume = {
+const struct mixeng_volume nominal_volume = {
.mute = 0,
#ifdef FLOAT_MIXENG
.r = 1.0,
#endif
};
-/* http://www.df.lth.se/~john_e/gems/gem002d.html */
-/* http://www.multi-platforms.com/Tips/PopCount.htm */
-uint32_t popcount (uint32_t u)
-{
- u = ((u&0x55555555) + ((u>>1)&0x55555555));
- u = ((u&0x33333333) + ((u>>2)&0x33333333));
- u = ((u&0x0f0f0f0f) + ((u>>4)&0x0f0f0f0f));
- u = ((u&0x00ff00ff) + ((u>>8)&0x00ff00ff));
- u = ( u&0x0000ffff) + (u>>16);
- return u;
-}
-
-inline uint32_t lsbindex (uint32_t u)
-{
- return popcount ((u&-u)-1);
-}
-
#ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED
#error No its not
#else
+static void audio_print_options (const char *prefix,
+ struct audio_option *opt);
+
int audio_bug (const char *funcname, int cond)
{
if (cond) {
AUD_log (NULL, "A bug was just triggered in %s\n", funcname);
if (!shown) {
+ struct audio_driver *d;
+
shown = 1;
AUD_log (NULL, "Save all your work and restart without audio\n");
- AUD_log (NULL, "Please send bug report to malc@pulsesoft.com\n");
+ AUD_log (NULL, "Please send bug report to av1474@comtv.ru\n");
AUD_log (NULL, "I am sorry\n");
+ d = glob_audio_state.drv;
+ if (d) {
+ audio_print_options (d->name, d->options);
+ }
}
AUD_log (NULL, "Context:\n");
{
if (conf.log_to_monitor) {
if (cap) {
- monitor_printf(cur_mon, "%s: ", cap);
+ monitor_printf(default_mon, "%s: ", cap);
}
- monitor_vprintf(cur_mon, fmt, ap);
+ monitor_vprintf(default_mon, fmt, ap);
}
else {
if (cap) {
/*
* Capture
*/
-static void noop_conv (struct st_sample *dst, const void *src,
- int samples, struct mixeng_volume *vol)
+static void noop_conv (struct st_sample *dst, const void *src, int samples)
{
(void) src;
(void) dst;
(void) samples;
- (void) vol;
}
static CaptureVoiceOut *audio_pcm_capture_find_specific (
sw->rate = NULL;
}
- LIST_REMOVE (sw, entries);
- LIST_REMOVE (sc, entries);
+ QLIST_REMOVE (sw, entries);
+ QLIST_REMOVE (sc, entries);
qemu_free (sc);
if (was_active) {
/* We have removed soft voice from the capture:
qemu_free (sw);
return -1;
}
- LIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries);
- LIST_INSERT_HEAD (&hw->cap_head, sc, entries);
+ QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries);
+ QLIST_INSERT_HEAD (&hw->cap_head, sc, entries);
#ifdef DEBUG_CAPTURE
asprintf (&sw->name, "for %p %d,%d,%d",
hw, sw->info.freq, sw->info.bits, sw->info.nchannels);
return live;
}
+int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
+ int live, int pending)
+{
+ int left = hw->samples - pending;
+ int len = audio_MIN (left, live);
+ int clipped = 0;
+
+ while (len) {
+ struct st_sample *src = hw->mix_buf + hw->rpos;
+ uint8_t *dst = advance (pcm_buf, hw->rpos << hw->info.shift);
+ int samples_till_end_of_buf = hw->samples - hw->rpos;
+ int samples_to_clip = audio_MIN (len, samples_till_end_of_buf);
+
+ hw->clip (dst, src, samples_to_clip);
+
+ hw->rpos = (hw->rpos + samples_to_clip) % hw->samples;
+ len -= samples_to_clip;
+ clipped += samples_to_clip;
+ }
+ return clipped;
+}
+
/*
* Soft voice (capture)
*/
total += isamp;
}
+ mixeng_volume (sw->buf, ret, &sw->vol);
+
sw->clip (buf, sw->buf, ret);
sw->total_hw_samples_acquired += total;
return ret << sw->info.shift;
return m;
}
-int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live)
+static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
{
int smin;
+ int nb_live1;
- smin = audio_pcm_hw_find_min_out (hw, nb_live);
-
- if (!*nb_live) {
- return 0;
+ smin = audio_pcm_hw_find_min_out (hw, &nb_live1);
+ if (nb_live) {
+ *nb_live = nb_live1;
}
- else {
+
+ if (nb_live1) {
int live = smin;
if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) {
}
return live;
}
-}
-
-int audio_pcm_hw_get_live_out (HWVoiceOut *hw)
-{
- int nb_live;
- int live;
-
- live = audio_pcm_hw_get_live_out2 (hw, &nb_live);
- if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) {
- dolog ("live=%d hw->samples=%d\n", live, hw->samples);
- return 0;
- }
- return live;
+ return 0;
}
/*
swlim = ((int64_t) dead << 32) / sw->ratio;
swlim = audio_MIN (swlim, samples);
if (swlim) {
- sw->conv (sw->buf, buf, swlim, &sw->vol);
+ sw->conv (sw->buf, buf, swlim);
+ mixeng_volume (sw->buf, swlim, &sw->vol);
}
while (swlim) {
#undef DAC
#include "audio_template.h"
+/*
+ * Timer
+ */
+static int audio_is_timer_needed (void)
+{
+ HWVoiceIn *hwi = NULL;
+ HWVoiceOut *hwo = NULL;
+
+ while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) {
+ if (!hwo->poll_mode) return 1;
+ }
+ while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) {
+ if (!hwi->poll_mode) return 1;
+ }
+ return 0;
+}
+
+static void audio_reset_timer (AudioState *s)
+{
+ if (audio_is_timer_needed ()) {
+ qemu_mod_timer (s->ts, qemu_get_clock_ns (vm_clock) + 1);
+ }
+ else {
+ qemu_del_timer (s->ts);
+ }
+}
+
+static void audio_timer (void *opaque)
+{
+ audio_run ("timer");
+ audio_reset_timer (opaque);
+}
+
+/*
+ * Public API
+ */
int AUD_write (SWVoiceOut *sw, void *buf, int size)
{
int bytes;
if (!hw->enabled) {
hw->enabled = 1;
if (s->vm_running) {
- hw->pcm_ops->ctl_out (hw, VOICE_ENABLE);
+ hw->pcm_ops->ctl_out (hw, VOICE_ENABLE, conf.try_poll_out);
+ audio_reset_timer (s);
}
}
}
if (!hw->enabled) {
hw->enabled = 1;
if (s->vm_running) {
- hw->pcm_ops->ctl_in (hw, VOICE_ENABLE);
+ hw->pcm_ops->ctl_in (hw, VOICE_ENABLE, conf.try_poll_in);
+ audio_reset_timer (s);
}
}
sw->total_hw_samples_acquired = hw->total_samples_captured;
int played;
int live, free, nb_live, cleanup_required, prev_rpos;
- live = audio_pcm_hw_get_live_out2 (hw, &nb_live);
+ live = audio_pcm_hw_get_live_out (hw, &nb_live);
if (!nb_live) {
live = 0;
}
}
prev_rpos = hw->rpos;
- played = hw->pcm_ops->run_out (hw);
+ played = hw->pcm_ops->run_out (hw, live);
if (audio_bug (AUDIO_FUNC, hw->rpos >= hw->samples)) {
dolog ("hw->rpos=%d hw->samples=%d played=%d\n",
hw->rpos, hw->samples, played);
HWVoiceOut *hw = &cap->hw;
SWVoiceOut *sw;
- captured = live = audio_pcm_hw_get_live_out (hw);
+ captured = live = audio_pcm_hw_get_live_out (hw, NULL);
rpos = hw->rpos;
while (live) {
int left = hw->samples - rpos;
}
}
-static void audio_timer (void *opaque)
+void audio_run (const char *msg)
{
- AudioState *s = opaque;
+ AudioState *s = &glob_audio_state;
audio_run_out (s);
audio_run_in (s);
audio_run_capture (s);
+#ifdef DEBUG_POLL
+ {
+ static double prevtime;
+ double currtime;
+ struct timeval tv;
+
+ if (gettimeofday (&tv, NULL)) {
+ perror ("audio_run: gettimeofday");
+ return;
+ }
- qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks);
+ currtime = tv.tv_sec + tv.tv_usec * 1e-6;
+ dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime);
+ prevtime = currtime;
+ }
+#endif
}
static struct audio_option audio_options[] = {
/* DAC */
- {"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_out.enabled,
- "Use fixed settings for host DAC", NULL, 0},
-
- {"DAC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_out.settings.freq,
- "Frequency for fixed host DAC", NULL, 0},
-
- {"DAC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_out.settings.fmt,
- "Format for fixed host DAC", NULL, 0},
-
- {"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_out.settings.nchannels,
- "Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0},
-
- {"DAC_VOICES", AUD_OPT_INT, &conf.fixed_out.nb_voices,
- "Number of voices for DAC", NULL, 0},
-
+ {
+ .name = "DAC_FIXED_SETTINGS",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.fixed_out.enabled,
+ .descr = "Use fixed settings for host DAC"
+ },
+ {
+ .name = "DAC_FIXED_FREQ",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_out.settings.freq,
+ .descr = "Frequency for fixed host DAC"
+ },
+ {
+ .name = "DAC_FIXED_FMT",
+ .tag = AUD_OPT_FMT,
+ .valp = &conf.fixed_out.settings.fmt,
+ .descr = "Format for fixed host DAC"
+ },
+ {
+ .name = "DAC_FIXED_CHANNELS",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_out.settings.nchannels,
+ .descr = "Number of channels for fixed DAC (1 - mono, 2 - stereo)"
+ },
+ {
+ .name = "DAC_VOICES",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_out.nb_voices,
+ .descr = "Number of voices for DAC"
+ },
+ {
+ .name = "DAC_TRY_POLL",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.try_poll_out,
+ .descr = "Attempt using poll mode for DAC"
+ },
/* ADC */
- {"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_in.enabled,
- "Use fixed settings for host ADC", NULL, 0},
-
- {"ADC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_in.settings.freq,
- "Frequency for fixed host ADC", NULL, 0},
-
- {"ADC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_in.settings.fmt,
- "Format for fixed host ADC", NULL, 0},
-
- {"ADC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_in.settings.nchannels,
- "Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0},
-
- {"ADC_VOICES", AUD_OPT_INT, &conf.fixed_in.nb_voices,
- "Number of voices for ADC", NULL, 0},
-
+ {
+ .name = "ADC_FIXED_SETTINGS",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.fixed_in.enabled,
+ .descr = "Use fixed settings for host ADC"
+ },
+ {
+ .name = "ADC_FIXED_FREQ",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_in.settings.freq,
+ .descr = "Frequency for fixed host ADC"
+ },
+ {
+ .name = "ADC_FIXED_FMT",
+ .tag = AUD_OPT_FMT,
+ .valp = &conf.fixed_in.settings.fmt,
+ .descr = "Format for fixed host ADC"
+ },
+ {
+ .name = "ADC_FIXED_CHANNELS",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_in.settings.nchannels,
+ .descr = "Number of channels for fixed ADC (1 - mono, 2 - stereo)"
+ },
+ {
+ .name = "ADC_VOICES",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.fixed_in.nb_voices,
+ .descr = "Number of voices for ADC"
+ },
+ {
+ .name = "ADC_TRY_POLL",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.try_poll_in,
+ .descr = "Attempt using poll mode for ADC"
+ },
/* Misc */
- {"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hertz,
- "Timer period in HZ (0 - use lowest possible)", NULL, 0},
-
- {"PLIVE", AUD_OPT_BOOL, &conf.plive,
- "(undocumented)", NULL, 0},
-
- {"LOG_TO_MONITOR", AUD_OPT_BOOL, &conf.log_to_monitor,
- "print logging messages to monitor instead of stderr", NULL, 0},
-
- {NULL, 0, NULL, NULL, NULL, 0}
+ {
+ .name = "TIMER_PERIOD",
+ .tag = AUD_OPT_INT,
+ .valp = &conf.period.hertz,
+ .descr = "Timer period in HZ (0 - use lowest possible)"
+ },
+ {
+ .name = "PLIVE",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.plive,
+ .descr = "(undocumented)"
+ },
+ {
+ .name = "LOG_TO_MONITOR",
+ .tag = AUD_OPT_BOOL,
+ .valp = &conf.log_to_monitor,
+ .descr = "Print logging messages to monitor instead of stderr"
+ },
+ { /* End of list */ }
};
static void audio_pp_nb_voices (const char *typ, int nb)
s->vm_running = running;
while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) {
- hwo->pcm_ops->ctl_out (hwo, op);
+ hwo->pcm_ops->ctl_out (hwo, op, conf.try_poll_out);
}
while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) {
- hwi->pcm_ops->ctl_in (hwi, op);
+ hwi->pcm_ops->ctl_in (hwi, op, conf.try_poll_in);
}
+ audio_reset_timer (s);
}
static void audio_atexit (void)
}
}
-static void audio_save (QEMUFile *f, void *opaque)
-{
- (void) f;
- (void) opaque;
-}
-
-static int audio_load (QEMUFile *f, void *opaque, int version_id)
-{
- (void) f;
- (void) opaque;
-
- if (version_id != 1) {
- return -EINVAL;
+static const VMStateDescription vmstate_audio = {
+ .name = "audio",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_END_OF_LIST()
}
-
- return 0;
-}
+};
static void audio_init (void)
{
size_t i;
int done = 0;
const char *drvname;
+ VMChangeStateEntry *e;
AudioState *s = &glob_audio_state;
if (s->drv) {
return;
}
- LIST_INIT (&s->hw_head_out);
- LIST_INIT (&s->hw_head_in);
- LIST_INIT (&s->cap_head);
+ QLIST_INIT (&s->hw_head_out);
+ QLIST_INIT (&s->hw_head_in);
+ QLIST_INIT (&s->cap_head);
atexit (audio_atexit);
- s->ts = qemu_new_timer (vm_clock, audio_timer, s);
+ s->ts = qemu_new_timer_ns (vm_clock, audio_timer, s);
if (!s->ts) {
hw_error("Could not create audio timer\n");
}
}
}
- VMChangeStateEntry *e;
-
if (conf.period.hertz <= 0) {
if (conf.period.hertz < 0) {
dolog ("warning: Timer period is negative - %d "
}
conf.period.ticks = 1;
} else {
- conf.period.ticks = ticks_per_sec / conf.period.hertz;
+ conf.period.ticks =
+ muldiv64 (1, get_ticks_per_sec (), conf.period.hertz);
}
e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);
"(Audio can continue looping even after stopping the VM)\n");
}
- LIST_INIT (&s->card_head);
- register_savevm ("audio", 0, 1, audio_save, audio_load, s);
- qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks);
+ QLIST_INIT (&s->card_head);
+ vmstate_register (NULL, 0, &vmstate_audio, s);
}
void AUD_register_card (const char *name, QEMUSoundCard *card)
audio_init ();
card->name = qemu_strdup (name);
memset (&card->entries, 0, sizeof (card->entries));
- LIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries);
+ QLIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries);
}
void AUD_remove_card (QEMUSoundCard *card)
{
- LIST_REMOVE (card, entries);
+ QLIST_REMOVE (card, entries);
qemu_free (card->name);
}
cap = audio_pcm_capture_find_specific (as);
if (cap) {
- LIST_INSERT_HEAD (&cap->cb_head, cb, entries);
+ QLIST_INSERT_HEAD (&cap->cb_head, cb, entries);
return cap;
}
else {
}
hw = &cap->hw;
- LIST_INIT (&hw->sw_head);
- LIST_INIT (&cap->cb_head);
+ QLIST_INIT (&hw->sw_head);
+ QLIST_INIT (&cap->cb_head);
/* XXX find a more elegant way */
hw->samples = 4096 * 4;
[hw->info.swap_endianness]
[audio_bits_to_index (hw->info.bits)];
- LIST_INSERT_HEAD (&s->cap_head, cap, entries);
- LIST_INSERT_HEAD (&cap->cb_head, cb, entries);
+ QLIST_INSERT_HEAD (&s->cap_head, cap, entries);
+ QLIST_INSERT_HEAD (&cap->cb_head, cb, entries);
hw = NULL;
while ((hw = audio_pcm_hw_find_any_out (hw))) {
for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) {
if (cb->opaque == cb_opaque) {
cb->ops.destroy (cb_opaque);
- LIST_REMOVE (cb, entries);
+ QLIST_REMOVE (cb, entries);
qemu_free (cb);
if (!cap->cb_head.lh_first) {
st_rate_stop (sw->rate);
sw->rate = NULL;
}
- LIST_REMOVE (sw, entries);
- LIST_REMOVE (sc, entries);
+ QLIST_REMOVE (sw, entries);
+ QLIST_REMOVE (sc, entries);
qemu_free (sc);
sw = sw1;
}
- LIST_REMOVE (cap, entries);
+ QLIST_REMOVE (cap, entries);
qemu_free (cap);
}
return;
projects / qemu.git / blobdiff