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-rw-r--r--audio/audio.c347
1 files changed, 201 insertions, 146 deletions
diff --git a/audio/audio.c b/audio/audio.c
index c8b88d892d..7d715332c9 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -87,7 +87,8 @@ audio_driver *audio_driver_lookup(const char *name)
return NULL;
}
-static AudioState glob_audio_state;
+static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states =
+ QTAILQ_HEAD_INITIALIZER(audio_states);
const struct mixeng_volume nominal_volume = {
.mute = 0,
@@ -100,6 +101,8 @@ const struct mixeng_volume nominal_volume = {
#endif
};
+static bool legacy_config = true;
+
#ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED
#error No its not
#else
@@ -306,6 +309,7 @@ void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as)
case AUDIO_FORMAT_S16:
sign = 1;
+ /* fall through */
case AUDIO_FORMAT_U16:
bits = 16;
shift = 1;
@@ -313,6 +317,7 @@ void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as)
case AUDIO_FORMAT_S32:
sign = 1;
+ /* fall through */
case AUDIO_FORMAT_U32:
bits = 32;
shift = 2;
@@ -399,12 +404,10 @@ static void noop_conv (struct st_sample *dst, const void *src, int samples)
(void) samples;
}
-static CaptureVoiceOut *audio_pcm_capture_find_specific (
- struct audsettings *as
- )
+static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s,
+ struct audsettings *as)
{
CaptureVoiceOut *cap;
- AudioState *s = &glob_audio_state;
for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) {
if (audio_pcm_info_eq (&cap->hw.info, as)) {
@@ -481,7 +484,7 @@ static void audio_detach_capture (HWVoiceOut *hw)
static int audio_attach_capture (HWVoiceOut *hw)
{
- AudioState *s = &glob_audio_state;
+ AudioState *s = hw->s;
CaptureVoiceOut *cap;
audio_detach_capture (hw);
@@ -525,41 +528,41 @@ static int audio_attach_capture (HWVoiceOut *hw)
/*
* Hard voice (capture)
*/
-static int audio_pcm_hw_find_min_in (HWVoiceIn *hw)
+static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw)
{
SWVoiceIn *sw;
- int m = hw->total_samples_captured;
+ size_t m = hw->total_samples_captured;
for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
if (sw->active) {
- m = audio_MIN (m, sw->total_hw_samples_acquired);
+ m = MIN (m, sw->total_hw_samples_acquired);
}
}
return m;
}
-int audio_pcm_hw_get_live_in (HWVoiceIn *hw)
+size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
{
- int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
- if (audio_bug(__func__, live < 0 || live > hw->samples)) {
- dolog ("live=%d hw->samples=%d\n", live, hw->samples);
+ size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
+ if (audio_bug(__func__, live > hw->samples)) {
+ dolog("live=%zu hw->samples=%zu\n", live, hw->samples);
return 0;
}
return live;
}
-int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
- int live, int pending)
+size_t audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf,
+ size_t live, size_t pending)
{
- int left = hw->samples - pending;
- int len = audio_MIN (left, live);
- int clipped = 0;
+ size_t left = hw->samples - pending;
+ size_t len = MIN (left, live);
+ size_t 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);
+ size_t samples_till_end_of_buf = hw->samples - hw->rpos;
+ size_t samples_to_clip = MIN (len, samples_till_end_of_buf);
hw->clip (dst, src, samples_to_clip);
@@ -573,14 +576,14 @@ int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
/*
* Soft voice (capture)
*/
-static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw)
+static size_t audio_pcm_sw_get_rpos_in(SWVoiceIn *sw)
{
HWVoiceIn *hw = sw->hw;
- int live = hw->total_samples_captured - sw->total_hw_samples_acquired;
- int rpos;
+ ssize_t live = hw->total_samples_captured - sw->total_hw_samples_acquired;
+ ssize_t rpos;
if (audio_bug(__func__, live < 0 || live > hw->samples)) {
- dolog ("live=%d hw->samples=%d\n", live, hw->samples);
+ dolog("live=%zu hw->samples=%zu\n", live, hw->samples);
return 0;
}
@@ -593,17 +596,17 @@ static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw)
}
}
-int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size)
+static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size)
{
HWVoiceIn *hw = sw->hw;
- int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0;
+ size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0;
struct st_sample *src, *dst = sw->buf;
rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples;
live = hw->total_samples_captured - sw->total_hw_samples_acquired;
- if (audio_bug(__func__, live < 0 || live > hw->samples)) {
- dolog ("live_in=%d hw->samples=%d\n", live, hw->samples);
+ if (audio_bug(__func__, live > hw->samples)) {
+ dolog("live_in=%zu hw->samples=%zu\n", live, hw->samples);
return 0;
}
@@ -613,13 +616,13 @@ int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size)
}
swlim = (live * sw->ratio) >> 32;
- swlim = audio_MIN (swlim, samples);
+ swlim = MIN (swlim, samples);
while (swlim) {
src = hw->conv_buf + rpos;
- isamp = hw->wpos - rpos;
- /* XXX: <= ? */
- if (isamp <= 0) {
+ if (hw->wpos > rpos) {
+ isamp = hw->wpos - rpos;
+ } else {
isamp = hw->samples - rpos;
}
@@ -628,11 +631,6 @@ int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size)
}
osamp = swlim;
- if (audio_bug(__func__, osamp < 0)) {
- dolog ("osamp=%d\n", osamp);
- return 0;
- }
-
st_rate_flow (sw->rate, src, dst, &isamp, &osamp);
swlim -= osamp;
rpos = (rpos + isamp) % hw->samples;
@@ -653,15 +651,15 @@ int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size)
/*
* Hard voice (playback)
*/
-static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep)
+static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep)
{
SWVoiceOut *sw;
- int m = INT_MAX;
+ size_t m = SIZE_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);
+ m = MIN (m, sw->total_hw_samples_mixed);
nb_live += 1;
}
}
@@ -670,9 +668,9 @@ static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep)
return m;
}
-static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
+static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
{
- int smin;
+ size_t smin;
int nb_live1;
smin = audio_pcm_hw_find_min_out (hw, &nb_live1);
@@ -681,10 +679,10 @@ static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
}
if (nb_live1) {
- int live = smin;
+ size_t live = smin;
- if (audio_bug(__func__, live < 0 || live > hw->samples)) {
- dolog ("live=%d hw->samples=%d\n", live, hw->samples);
+ if (audio_bug(__func__, live > hw->samples)) {
+ dolog("live=%zu hw->samples=%zu\n", live, hw->samples);
return 0;
}
return live;
@@ -695,10 +693,10 @@ static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
/*
* Soft voice (playback)
*/
-int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size)
+static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size)
{
- int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck;
- int ret = 0, pos = 0, total = 0;
+ size_t hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck;
+ size_t ret = 0, pos = 0, total = 0;
if (!sw) {
return size;
@@ -707,8 +705,8 @@ int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size)
hwsamples = sw->hw->samples;
live = sw->total_hw_samples_mixed;
- if (audio_bug(__func__, live < 0 || live > hwsamples)) {
- dolog ("live=%d hw->samples=%d\n", live, hwsamples);
+ if (audio_bug(__func__, live > hwsamples)) {
+ dolog("live=%zu hw->samples=%zu\n", live, hwsamples);
return 0;
}
@@ -724,7 +722,7 @@ int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size)
dead = hwsamples - live;
swlim = ((int64_t) dead << 32) / sw->ratio;
- swlim = audio_MIN (swlim, samples);
+ swlim = MIN (swlim, samples);
if (swlim) {
sw->conv (sw->buf, buf, swlim);
@@ -736,7 +734,7 @@ int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size)
while (swlim) {
dead = hwsamples - live;
left = hwsamples - wpos;
- blck = audio_MIN (dead, left);
+ blck = MIN (dead, left);
if (!blck) {
break;
}
@@ -762,7 +760,7 @@ int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size)
#ifdef DEBUG_OUT
dolog (
- "%s: write size %d ret %d total sw %d\n",
+ "%s: write size %zu ret %zu total sw %zu\n",
SW_NAME (sw),
size >> sw->info.shift,
ret,
@@ -789,19 +787,15 @@ static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info)
/*
* Timer
*/
-
-static bool audio_timer_running;
-static uint64_t audio_timer_last;
-
-static int audio_is_timer_needed (void)
+static int audio_is_timer_needed(AudioState *s)
{
HWVoiceIn *hwi = NULL;
HWVoiceOut *hwo = NULL;
- while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) {
+ while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) {
if (!hwo->poll_mode) return 1;
}
- while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) {
+ while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) {
if (!hwi->poll_mode) return 1;
}
return 0;
@@ -809,18 +803,18 @@ static int audio_is_timer_needed (void)
static void audio_reset_timer (AudioState *s)
{
- if (audio_is_timer_needed ()) {
+ if (audio_is_timer_needed(s)) {
timer_mod_anticipate_ns(s->ts,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks);
- if (!audio_timer_running) {
- audio_timer_running = true;
- audio_timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ if (!s->timer_running) {
+ s->timer_running = true;
+ s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
trace_audio_timer_start(s->period_ticks / SCALE_MS);
}
} else {
timer_del(s->ts);
- if (audio_timer_running) {
- audio_timer_running = false;
+ if (s->timer_running) {
+ s->timer_running = false;
trace_audio_timer_stop();
}
}
@@ -832,20 +826,20 @@ static void audio_timer (void *opaque)
AudioState *s = opaque;
now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- diff = now - audio_timer_last;
+ diff = now - s->timer_last;
if (diff > s->period_ticks * 3 / 2) {
trace_audio_timer_delayed(diff / SCALE_MS);
}
- audio_timer_last = now;
+ s->timer_last = now;
- audio_run("timer");
+ audio_run(s, "timer");
audio_reset_timer(s);
}
/*
* Public API
*/
-int AUD_write (SWVoiceOut *sw, void *buf, int size)
+size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size)
{
if (!sw) {
/* XXX: Consider options */
@@ -857,10 +851,10 @@ int AUD_write (SWVoiceOut *sw, void *buf, int size)
return 0;
}
- return sw->hw->pcm_ops->write(sw, buf, size);
+ return audio_pcm_sw_write(sw, buf, size);
}
-int AUD_read (SWVoiceIn *sw, void *buf, int size)
+size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size)
{
if (!sw) {
/* XXX: Consider options */
@@ -872,7 +866,7 @@ int AUD_read (SWVoiceIn *sw, void *buf, int size)
return 0;
}
- return sw->hw->pcm_ops->read(sw, buf, size);
+ return audio_pcm_sw_read(sw, buf, size);
}
int AUD_get_buffer_size_out (SWVoiceOut *sw)
@@ -890,7 +884,7 @@ void AUD_set_active_out (SWVoiceOut *sw, int on)
hw = sw->hw;
if (sw->active != on) {
- AudioState *s = &glob_audio_state;
+ AudioState *s = sw->s;
SWVoiceOut *temp_sw;
SWVoiceCap *sc;
@@ -937,7 +931,7 @@ void AUD_set_active_in (SWVoiceIn *sw, int on)
hw = sw->hw;
if (sw->active != on) {
- AudioState *s = &glob_audio_state;
+ AudioState *s = sw->s;
SWVoiceIn *temp_sw;
if (on) {
@@ -969,17 +963,17 @@ void AUD_set_active_in (SWVoiceIn *sw, int on)
}
}
-static int audio_get_avail (SWVoiceIn *sw)
+static size_t audio_get_avail (SWVoiceIn *sw)
{
- int live;
+ size_t live;
if (!sw) {
return 0;
}
live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired;
- if (audio_bug(__func__, live < 0 || live > sw->hw->samples)) {
- dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples);
+ if (audio_bug(__func__, live > sw->hw->samples)) {
+ dolog("live=%zu sw->hw->samples=%zu\n", live, sw->hw->samples);
return 0;
}
@@ -992,9 +986,9 @@ static int audio_get_avail (SWVoiceIn *sw)
return (((int64_t) live << 32) / sw->ratio) << sw->info.shift;
}
-static int audio_get_free (SWVoiceOut *sw)
+static size_t audio_get_free(SWVoiceOut *sw)
{
- int live, dead;
+ size_t live, dead;
if (!sw) {
return 0;
@@ -1002,8 +996,8 @@ static int audio_get_free (SWVoiceOut *sw)
live = sw->total_hw_samples_mixed;
- if (audio_bug(__func__, live < 0 || live > sw->hw->samples)) {
- dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples);
+ if (audio_bug(__func__, live > sw->hw->samples)) {
+ dolog("live=%zu sw->hw->samples=%zu\n", live, sw->hw->samples);
return 0;
}
@@ -1018,9 +1012,10 @@ static int audio_get_free (SWVoiceOut *sw)
return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift;
}
-static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples)
+static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos,
+ size_t samples)
{
- int n;
+ size_t n;
if (hw->enabled) {
SWVoiceCap *sc;
@@ -1031,17 +1026,17 @@ static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples)
n = samples;
while (n) {
- int till_end_of_hw = hw->samples - rpos2;
- int to_write = audio_MIN (till_end_of_hw, n);
- int bytes = to_write << hw->info.shift;
- int written;
+ size_t till_end_of_hw = hw->samples - rpos2;
+ size_t to_write = MIN(till_end_of_hw, n);
+ size_t bytes = to_write << hw->info.shift;
+ size_t written;
sw->buf = hw->mix_buf + rpos2;
written = audio_pcm_sw_write (sw, NULL, bytes);
if (written - bytes) {
- dolog ("Could not mix %d bytes into a capture "
- "buffer, mixed %d\n",
- bytes, written);
+ dolog("Could not mix %zu bytes into a capture "
+ "buffer, mixed %zu\n",
+ bytes, written);
break;
}
n -= to_write;
@@ -1050,9 +1045,9 @@ static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples)
}
}
- n = audio_MIN (samples, hw->samples - rpos);
- mixeng_clear (hw->mix_buf + rpos, n);
- mixeng_clear (hw->mix_buf, samples - n);
+ n = MIN(samples, hw->samples - rpos);
+ mixeng_clear(hw->mix_buf + rpos, n);
+ mixeng_clear(hw->mix_buf, samples - n);
}
static void audio_run_out (AudioState *s)
@@ -1060,17 +1055,17 @@ static void audio_run_out (AudioState *s)
HWVoiceOut *hw = NULL;
SWVoiceOut *sw;
- while ((hw = audio_pcm_hw_find_any_enabled_out (hw))) {
- int played;
- int live, free, nb_live, cleanup_required, prev_rpos;
+ while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) {
+ size_t played, live, prev_rpos, free;
+ int nb_live, cleanup_required;
live = audio_pcm_hw_get_live_out (hw, &nb_live);
if (!nb_live) {
live = 0;
}
- if (audio_bug(__func__, live < 0 || live > hw->samples)) {
- dolog ("live=%d hw->samples=%d\n", live, hw->samples);
+ if (audio_bug(__func__, live > hw->samples)) {
+ dolog ("live=%zu hw->samples=%zu\n", live, hw->samples);
continue;
}
@@ -1105,13 +1100,13 @@ static void audio_run_out (AudioState *s)
played = hw->pcm_ops->run_out (hw, live);
replay_audio_out(&played);
if (audio_bug(__func__, hw->rpos >= hw->samples)) {
- dolog ("hw->rpos=%d hw->samples=%d played=%d\n",
- hw->rpos, hw->samples, played);
+ dolog("hw->rpos=%zu hw->samples=%zu played=%zu\n",
+ hw->rpos, hw->samples, played);
hw->rpos = 0;
}
#ifdef DEBUG_OUT
- dolog ("played=%d\n", played);
+ dolog("played=%zu\n", played);
#endif
if (played) {
@@ -1126,8 +1121,8 @@ static void audio_run_out (AudioState *s)
}
if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) {
- dolog ("played=%d sw->total_hw_samples_mixed=%d\n",
- played, sw->total_hw_samples_mixed);
+ dolog("played=%zu sw->total_hw_samples_mixed=%zu\n",
+ played, sw->total_hw_samples_mixed);
played = sw->total_hw_samples_mixed;
}
@@ -1165,9 +1160,9 @@ static void audio_run_in (AudioState *s)
{
HWVoiceIn *hw = NULL;
- while ((hw = audio_pcm_hw_find_any_enabled_in (hw))) {
+ while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) {
SWVoiceIn *sw;
- int captured = 0, min;
+ size_t captured = 0, min;
if (replay_mode != REPLAY_MODE_PLAY) {
captured = hw->pcm_ops->run_in(hw);
@@ -1182,7 +1177,7 @@ static void audio_run_in (AudioState *s)
sw->total_hw_samples_acquired -= min;
if (sw->active) {
- int avail;
+ size_t avail;
avail = audio_get_avail (sw);
if (avail > 0) {
@@ -1198,15 +1193,15 @@ static void audio_run_capture (AudioState *s)
CaptureVoiceOut *cap;
for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) {
- int live, rpos, captured;
+ size_t live, rpos, captured;
HWVoiceOut *hw = &cap->hw;
SWVoiceOut *sw;
captured = live = audio_pcm_hw_get_live_out (hw, NULL);
rpos = hw->rpos;
while (live) {
- int left = hw->samples - rpos;
- int to_capture = audio_MIN (live, left);
+ size_t left = hw->samples - rpos;
+ size_t to_capture = MIN(live, left);
struct st_sample *src;
struct capture_callback *cb;
@@ -1229,8 +1224,8 @@ static void audio_run_capture (AudioState *s)
}
if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) {
- dolog ("captured=%d sw->total_hw_samples_mixed=%d\n",
- captured, sw->total_hw_samples_mixed);
+ dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n",
+ captured, sw->total_hw_samples_mixed);
captured = sw->total_hw_samples_mixed;
}
@@ -1240,13 +1235,12 @@ static void audio_run_capture (AudioState *s)
}
}
-void audio_run (const char *msg)
+void audio_run(AudioState *s, const char *msg)
{
- AudioState *s = &glob_audio_state;
+ audio_run_out(s);
+ audio_run_in(s);
+ audio_run_capture(s);
- audio_run_out (s);
- audio_run_in (s);
- audio_run_capture (s);
#ifdef DEBUG_POLL
{
static double prevtime;
@@ -1271,8 +1265,8 @@ static int audio_driver_init(AudioState *s, struct audio_driver *drv,
s->drv_opaque = drv->init(dev);
if (s->drv_opaque) {
- audio_init_nb_voices_out (drv);
- audio_init_nb_voices_in (drv);
+ audio_init_nb_voices_out(s, drv);
+ audio_init_nb_voices_in(s, drv);
s->drv = drv;
return 0;
}
@@ -1293,11 +1287,11 @@ static void audio_vm_change_state_handler (void *opaque, int running,
int op = running ? VOICE_ENABLE : VOICE_DISABLE;
s->vm_running = running;
- while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) {
+ while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) {
hwo->pcm_ops->ctl_out(hwo, op);
}
- while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) {
+ while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) {
hwi->pcm_ops->ctl_in(hwi, op);
}
audio_reset_timer (s);
@@ -1310,14 +1304,12 @@ bool audio_is_cleaning_up(void)
return is_cleaning_up;
}
-void audio_cleanup(void)
+static void free_audio_state(AudioState *s)
{
- AudioState *s = &glob_audio_state;
HWVoiceOut *hwo, *hwon;
HWVoiceIn *hwi, *hwin;
- is_cleaning_up = true;
- QLIST_FOREACH_SAFE(hwo, &glob_audio_state.hw_head_out, entries, hwon) {
+ QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) {
SWVoiceCap *sc;
if (hwo->enabled) {
@@ -1336,7 +1328,7 @@ void audio_cleanup(void)
QLIST_REMOVE(hwo, entries);
}
- QLIST_FOREACH_SAFE(hwi, &glob_audio_state.hw_head_in, entries, hwin) {
+ QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) {
if (hwi->enabled) {
hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE);
}
@@ -1353,6 +1345,23 @@ void audio_cleanup(void)
qapi_free_Audiodev(s->dev);
s->dev = NULL;
}
+
+ if (s->ts) {
+ timer_free(s->ts);
+ s->ts = NULL;
+ }
+
+ g_free(s);
+}
+
+void audio_cleanup(void)
+{
+ is_cleaning_up = true;
+ while (!QTAILQ_EMPTY(&audio_states)) {
+ AudioState *s = QTAILQ_FIRST(&audio_states);
+ QTAILQ_REMOVE(&audio_states, s, list);
+ free_audio_state(s);
+ }
}
static const VMStateDescription vmstate_audio = {
@@ -1379,28 +1388,34 @@ static AudiodevListEntry *audiodev_find(
return NULL;
}
-static int audio_init(Audiodev *dev)
+/*
+ * if we have dev, this function was called because of an -audiodev argument =>
+ * initialize a new state with it
+ * if dev == NULL => legacy implicit initialization, return the already created
+ * state or create a new one
+ */
+static AudioState *audio_init(Audiodev *dev, const char *name)
{
+ static bool atexit_registered;
size_t i;
int done = 0;
const char *drvname = NULL;
VMChangeStateEntry *e;
- AudioState *s = &glob_audio_state;
+ AudioState *s;
struct audio_driver *driver;
/* silence gcc warning about uninitialized variable */
AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head);
- if (s->drv) {
- if (dev) {
- dolog("Cannot create more than one audio backend, sorry\n");
- qapi_free_Audiodev(dev);
- }
- return -1;
- }
-
if (dev) {
/* -audiodev option */
+ legacy_config = false;
drvname = AudiodevDriver_str(dev->driver);
+ } else if (!QTAILQ_EMPTY(&audio_states)) {
+ if (!legacy_config) {
+ dolog("You must specify an audiodev= for the device %s\n", name);
+ exit(1);
+ }
+ return QTAILQ_FIRST(&audio_states);
} else {
/* legacy implicit initialization */
head = audio_handle_legacy_opts();
@@ -1414,12 +1429,18 @@ static int audio_init(Audiodev *dev)
dev = QSIMPLEQ_FIRST(&head)->dev;
audio_validate_opts(dev, &error_abort);
}
+
+ s = g_malloc0(sizeof(AudioState));
s->dev = dev;
QLIST_INIT (&s->hw_head_out);
QLIST_INIT (&s->hw_head_in);
QLIST_INIT (&s->cap_head);
- atexit(audio_cleanup);
+ if (!atexit_registered) {
+ atexit(audio_cleanup);
+ atexit_registered = true;
+ }
+ QTAILQ_INSERT_TAIL(&audio_states, s, list);
s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s);
@@ -1484,7 +1505,7 @@ static int audio_init(Audiodev *dev)
QLIST_INIT (&s->card_head);
vmstate_register (NULL, 0, &vmstate_audio, s);
- return 0;
+ return s;
}
void audio_free_audiodev_list(AudiodevListHead *head)
@@ -1499,10 +1520,13 @@ void audio_free_audiodev_list(AudiodevListHead *head)
void AUD_register_card (const char *name, QEMUSoundCard *card)
{
- audio_init(NULL);
+ if (!card->state) {
+ card->state = audio_init(NULL, name);
+ }
+
card->name = g_strdup (name);
memset (&card->entries, 0, sizeof (card->entries));
- QLIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries);
+ QLIST_INSERT_HEAD(&card->state->card_head, card, entries);
}
void AUD_remove_card (QEMUSoundCard *card)
@@ -1512,16 +1536,24 @@ void AUD_remove_card (QEMUSoundCard *card)
}
-CaptureVoiceOut *AUD_add_capture (
+CaptureVoiceOut *AUD_add_capture(
+ AudioState *s,
struct audsettings *as,
struct audio_capture_ops *ops,
void *cb_opaque
)
{
- AudioState *s = &glob_audio_state;
CaptureVoiceOut *cap;
struct capture_callback *cb;
+ if (!s) {
+ if (!legacy_config) {
+ dolog("You must specify audiodev when trying to capture\n");
+ return NULL;
+ }
+ s = audio_init(NULL, NULL);
+ }
+
if (audio_validate_settings (as)) {
dolog ("Invalid settings were passed when trying to add capture\n");
audio_print_settings (as);
@@ -1532,7 +1564,7 @@ CaptureVoiceOut *AUD_add_capture (
cb->ops = *ops;
cb->opaque = cb_opaque;
- cap = audio_pcm_capture_find_specific (as);
+ cap = audio_pcm_capture_find_specific(s, as);
if (cap) {
QLIST_INSERT_HEAD (&cap->cb_head, cb, entries);
return cap;
@@ -1544,6 +1576,7 @@ CaptureVoiceOut *AUD_add_capture (
cap = g_malloc0(sizeof(*cap));
hw = &cap->hw;
+ hw->s = s;
QLIST_INIT (&hw->sw_head);
QLIST_INIT (&cap->cb_head);
@@ -1564,7 +1597,7 @@ CaptureVoiceOut *AUD_add_capture (
QLIST_INSERT_HEAD (&s->cap_head, cap, entries);
QLIST_INSERT_HEAD (&cap->cb_head, cb, entries);
- QLIST_FOREACH(hw, &glob_audio_state.hw_head_out, entries) {
+ QLIST_FOREACH(hw, &s->hw_head_out, entries) {
audio_attach_capture (hw);
}
return cap;
@@ -1749,7 +1782,7 @@ void audio_init_audiodevs(void)
AudiodevListEntry *e;
QSIMPLEQ_FOREACH(e, &audiodevs, next) {
- audio_init(e->dev);
+ audio_init(e->dev, NULL);
}
}
@@ -1810,3 +1843,25 @@ int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo,
return audio_buffer_samples(pdo, as, def_usecs) *
audioformat_bytes_per_sample(as->fmt);
}
+
+AudioState *audio_state_by_name(const char *name)
+{
+ AudioState *s;
+ QTAILQ_FOREACH(s, &audio_states, list) {
+ assert(s->dev);
+ if (strcmp(name, s->dev->id) == 0) {
+ return s;
+ }
+ }
+ return NULL;
+}
+
+const char *audio_get_id(QEMUSoundCard *card)
+{
+ if (card->state) {
+ assert(card->state->dev);
+ return card->state->dev->id;
+ } else {
+ return "";
+ }
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-26 02:07:04 +0000