ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

paaudio: prepare for multiple audiodev 

Have a pool of refcounted connections per server, so if the user creates
multiple audiodevs to the same pa server, it will use a single connection.  (It
will still create different streams, so the user can manage those streams
separately in pulseaudio.)

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: d43218f327c62cdbd16ea0c922612025fbc4805e.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Kővágó, Zoltán 2019-08-19 01:06:50 +02:00 committed by Gerd Hoffmann
parent 88e47b9a45
commit 9d34e6d8a1
1 changed files with 188 additions and 141 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

323
audio/paaudio.c
View File

@ -11,10 +11,21 @@
#include "audio_int.h" #include "audio_int.h"
#include "audio_pt_int.h" #include "audio_pt_int.h"
typedef struct { typedef struct PAConnection {
Audiodev *dev; char *server;
int refcount;
QTAILQ_ENTRY(PAConnection) list;
pa_threaded_mainloop *mainloop; pa_threaded_mainloop *mainloop;
pa_context *context; pa_context *context;
} PAConnection;
static QTAILQ_HEAD(PAConnectionHead, PAConnection) pa_conns =
QTAILQ_HEAD_INITIALIZER(pa_conns);
typedef struct {
Audiodev *dev;
PAConnection *conn;
} paaudio; } paaudio;
typedef struct { typedef struct {
@ -45,7 +56,7 @@ typedef struct {
int samples; int samples;
} PAVoiceIn; } PAVoiceIn;
static void qpa_audio_fini(void *opaque); static void qpa_conn_fini(PAConnection *c);
static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...) static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
{ {
@ -108,11 +119,11 @@ static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror) static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror)
{ {
paaudio *g = p->g; PAConnection *c = p->g->conn;
pa_threaded_mainloop_lock (g->mainloop); pa_threaded_mainloop_lock(c->mainloop);
CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
while (length > 0) { while (length > 0) {
size_t l; size_t l;
@ -121,11 +132,11 @@ static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror
int r; int r;
r = pa_stream_peek (p->stream, &p->read_data, &p->read_length); r = pa_stream_peek (p->stream, &p->read_data, &p->read_length);
CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail); CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail);
if (!p->read_data) { if (!p->read_data) {
pa_threaded_mainloop_wait (g->mainloop); pa_threaded_mainloop_wait(c->mainloop);
CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
} else { } else {
p->read_index = 0; p->read_index = 0;
} }
@ -148,53 +159,53 @@ static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror
p->read_length = 0; p->read_length = 0;
p->read_index = 0; p->read_index = 0;
CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail); CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail);
} }
} }
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
return 0; return 0;
unlock_and_fail: unlock_and_fail:
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
return -1; return -1;
} }
static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror) static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror)
{ {
paaudio *g = p->g; PAConnection *c = p->g->conn;
pa_threaded_mainloop_lock (g->mainloop); pa_threaded_mainloop_lock(c->mainloop);
CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
while (length > 0) { while (length > 0) {
size_t l; size_t l;
int r; int r;
while (!(l = pa_stream_writable_size (p->stream))) { while (!(l = pa_stream_writable_size (p->stream))) {
pa_threaded_mainloop_wait (g->mainloop); pa_threaded_mainloop_wait(c->mainloop);
CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
} }
CHECK_SUCCESS_GOTO (g, rerror, l != (size_t) -1, unlock_and_fail); CHECK_SUCCESS_GOTO(c, rerror, l != (size_t) -1, unlock_and_fail);
if (l > length) { if (l > length) {
l = length; l = length;
} }
r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE); r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE);
CHECK_SUCCESS_GOTO (g, rerror, r >= 0, unlock_and_fail); CHECK_SUCCESS_GOTO(c, rerror, r >= 0, unlock_and_fail);
data = (const uint8_t *) data + l; data = (const uint8_t *) data + l;
length -= l; length -= l;
} }
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
return 0; return 0;
unlock_and_fail: unlock_and_fail:
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
return -1; return -1;
} }
@ -432,13 +443,13 @@ static AudioFormat pa_to_audfmt (pa_sample_format_t fmt, int *endianness)
static void context_state_cb (pa_context *c, void *userdata) static void context_state_cb (pa_context *c, void *userdata)
{ {
paaudio *g = userdata; PAConnection *conn = userdata;
switch (pa_context_get_state(c)) { switch (pa_context_get_state(c)) {
case PA_CONTEXT_READY: case PA_CONTEXT_READY:
case PA_CONTEXT_TERMINATED: case PA_CONTEXT_TERMINATED:
case PA_CONTEXT_FAILED: case PA_CONTEXT_FAILED:
pa_threaded_mainloop_signal (g->mainloop, 0); pa_threaded_mainloop_signal(conn->mainloop, 0);
break; break;
case PA_CONTEXT_UNCONNECTED: case PA_CONTEXT_UNCONNECTED:
@ -451,14 +462,14 @@ static void context_state_cb (pa_context *c, void *userdata)
static void stream_state_cb (pa_stream *s, void * userdata) static void stream_state_cb (pa_stream *s, void * userdata)
{ {
paaudio *g = userdata; PAConnection *c = userdata;
switch (pa_stream_get_state (s)) { switch (pa_stream_get_state (s)) {
case PA_STREAM_READY: case PA_STREAM_READY:
case PA_STREAM_FAILED: case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED: case PA_STREAM_TERMINATED:
pa_threaded_mainloop_signal (g->mainloop, 0); pa_threaded_mainloop_signal(c->mainloop, 0);
break; break;
case PA_STREAM_UNCONNECTED: case PA_STREAM_UNCONNECTED:
@ -469,13 +480,13 @@ static void stream_state_cb (pa_stream *s, void * userdata)
static void stream_request_cb (pa_stream *s, size_t length, void *userdata) static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
{ {
paaudio *g = userdata; PAConnection *c = userdata;
pa_threaded_mainloop_signal (g->mainloop, 0); pa_threaded_mainloop_signal(c->mainloop, 0);
} }
static pa_stream *qpa_simple_new ( static pa_stream *qpa_simple_new (
paaudio *g, PAConnection *c,
const char *name, const char *name,
pa_stream_direction_t dir, pa_stream_direction_t dir,
const char *dev, const char *dev,
@ -486,50 +497,48 @@ static pa_stream *qpa_simple_new (
{ {
int r; int r;
pa_stream *stream; pa_stream *stream;
pa_stream_flags_t flags;
pa_threaded_mainloop_lock (g->mainloop); pa_threaded_mainloop_lock(c->mainloop);
stream = pa_stream_new (g->context, name, ss, map); stream = pa_stream_new(c->context, name, ss, map);
if (!stream) { if (!stream) {
goto fail; goto fail;
} }
pa_stream_set_state_callback (stream, stream_state_cb, g); pa_stream_set_state_callback(stream, stream_state_cb, c);
pa_stream_set_read_callback (stream, stream_request_cb, g); pa_stream_set_read_callback(stream, stream_request_cb, c);
pa_stream_set_write_callback (stream, stream_request_cb, g); pa_stream_set_write_callback(stream, stream_request_cb, c);
flags =
PA_STREAM_INTERPOLATE_TIMING
#ifdef PA_STREAM_ADJUST_LATENCY
| PA_STREAM_ADJUST_LATENCY
#endif
| PA_STREAM_AUTO_TIMING_UPDATE;
if (dir == PA_STREAM_PLAYBACK) { if (dir == PA_STREAM_PLAYBACK) {
r = pa_stream_connect_playback (stream, dev, attr, r = pa_stream_connect_playback(stream, dev, attr, flags, NULL, NULL);
PA_STREAM_INTERPOLATE_TIMING
#ifdef PA_STREAM_ADJUST_LATENCY
|PA_STREAM_ADJUST_LATENCY
#endif
|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
} else { } else {
r = pa_stream_connect_record (stream, dev, attr, r = pa_stream_connect_record(stream, dev, attr, flags);
PA_STREAM_INTERPOLATE_TIMING
#ifdef PA_STREAM_ADJUST_LATENCY
|PA_STREAM_ADJUST_LATENCY
#endif
|PA_STREAM_AUTO_TIMING_UPDATE);
} }
if (r < 0) { if (r < 0) {
goto fail; goto fail;
} }
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
return stream; return stream;
fail: fail:
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
if (stream) { if (stream) {
pa_stream_unref (stream); pa_stream_unref (stream);
} }
*rerror = pa_context_errno (g->context); *rerror = pa_context_errno(c->context);
return NULL; return NULL;
} }
@ -545,6 +554,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
paaudio *g = pa->g = drv_opaque; paaudio *g = pa->g = drv_opaque;
AudiodevPaOptions *popts = &g->dev->u.pa; AudiodevPaOptions *popts = &g->dev->u.pa;
AudiodevPaPerDirectionOptions *ppdo = popts->out; AudiodevPaPerDirectionOptions *ppdo = popts->out;
PAConnection *c = g->conn;
ss.format = audfmt_to_pa (as->fmt, as->endianness); ss.format = audfmt_to_pa (as->fmt, as->endianness);
ss.channels = as->nchannels; ss.channels = as->nchannels;
@ -558,7 +568,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness); obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
pa->stream = qpa_simple_new ( pa->stream = qpa_simple_new (
g, c,
"qemu", "qemu",
PA_STREAM_PLAYBACK, PA_STREAM_PLAYBACK,
ppdo->has_name ? ppdo->name : NULL, ppdo->has_name ? ppdo->name : NULL,
@ -612,6 +622,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
paaudio *g = pa->g = drv_opaque; paaudio *g = pa->g = drv_opaque;
AudiodevPaOptions *popts = &g->dev->u.pa; AudiodevPaOptions *popts = &g->dev->u.pa;
AudiodevPaPerDirectionOptions *ppdo = popts->in; AudiodevPaPerDirectionOptions *ppdo = popts->in;
PAConnection *c = g->conn;
ss.format = audfmt_to_pa (as->fmt, as->endianness); ss.format = audfmt_to_pa (as->fmt, as->endianness);
ss.channels = as->nchannels; ss.channels = as->nchannels;
@ -625,7 +636,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness); obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
pa->stream = qpa_simple_new ( pa->stream = qpa_simple_new (
g, c,
"qemu", "qemu",
PA_STREAM_RECORD, PA_STREAM_RECORD,
ppdo->has_name ? ppdo->name : NULL, ppdo->has_name ? ppdo->name : NULL,
@ -714,7 +725,7 @@ static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
PAVoiceOut *pa = (PAVoiceOut *) hw; PAVoiceOut *pa = (PAVoiceOut *) hw;
pa_operation *op; pa_operation *op;
pa_cvolume v; pa_cvolume v;
paaudio *g = pa->g; PAConnection *c = pa->g->conn;
#ifdef PA_CHECK_VERSION /* macro is present in 0.9.16+ */ #ifdef PA_CHECK_VERSION /* macro is present in 0.9.16+ */
pa_cvolume_init (&v); /* function is present in 0.9.13+ */ pa_cvolume_init (&v); /* function is present in 0.9.13+ */
@ -734,28 +745,29 @@ static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
pa_threaded_mainloop_lock (g->mainloop); pa_threaded_mainloop_lock(c->mainloop);
op = pa_context_set_sink_input_volume (g->context, op = pa_context_set_sink_input_volume(c->context,
pa_stream_get_index (pa->stream), pa_stream_get_index (pa->stream),
&v, NULL, NULL); &v, NULL, NULL);
if (!op) if (!op) {
qpa_logerr (pa_context_errno (g->context), qpa_logerr(pa_context_errno(c->context),
"set_sink_input_volume() failed\n"); "set_sink_input_volume() failed\n");
else } else {
pa_operation_unref (op); pa_operation_unref(op);
}
op = pa_context_set_sink_input_mute (g->context, op = pa_context_set_sink_input_mute(c->context,
pa_stream_get_index (pa->stream), pa_stream_get_index (pa->stream),
sw->vol.mute, NULL, NULL); sw->vol.mute, NULL, NULL);
if (!op) { if (!op) {
qpa_logerr (pa_context_errno (g->context), qpa_logerr(pa_context_errno(c->context),
"set_sink_input_mute() failed\n"); "set_sink_input_mute() failed\n");
} else { } else {
pa_operation_unref (op); pa_operation_unref(op);
} }
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
} }
} }
return 0; return 0;
@ -766,7 +778,7 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
PAVoiceIn *pa = (PAVoiceIn *) hw; PAVoiceIn *pa = (PAVoiceIn *) hw;
pa_operation *op; pa_operation *op;
pa_cvolume v; pa_cvolume v;
paaudio *g = pa->g; PAConnection *c = pa->g->conn;
#ifdef PA_CHECK_VERSION #ifdef PA_CHECK_VERSION
pa_cvolume_init (&v); pa_cvolume_init (&v);
@ -786,29 +798,29 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
pa_threaded_mainloop_lock (g->mainloop); pa_threaded_mainloop_lock(c->mainloop);
op = pa_context_set_source_output_volume (g->context, op = pa_context_set_source_output_volume(c->context,
pa_stream_get_index (pa->stream), pa_stream_get_index(pa->stream),
&v, NULL, NULL); &v, NULL, NULL);
if (!op) { if (!op) {
qpa_logerr (pa_context_errno (g->context), qpa_logerr(pa_context_errno(c->context),
"set_source_output_volume() failed\n"); "set_source_output_volume() failed\n");
} else { } else {
pa_operation_unref(op); pa_operation_unref(op);
} }
op = pa_context_set_source_output_mute (g->context, op = pa_context_set_source_output_mute(c->context,
pa_stream_get_index (pa->stream), pa_stream_get_index (pa->stream),
sw->vol.mute, NULL, NULL); sw->vol.mute, NULL, NULL);
if (!op) { if (!op) {
qpa_logerr (pa_context_errno (g->context), qpa_logerr(pa_context_errno(c->context),
"set_source_output_mute() failed\n"); "set_source_output_mute() failed\n");
} else { } else {
pa_operation_unref (op); pa_operation_unref (op);
} }
pa_threaded_mainloop_unlock (g->mainloop); pa_threaded_mainloop_unlock(c->mainloop);
} }
} }
return 0; return 0;
@ -828,11 +840,75 @@ static int qpa_validate_per_direction_opts(Audiodev *dev,
return 1; return 1;
} }
/* common */
static void *qpa_conn_init(const char *server)
{
PAConnection *c = g_malloc0(sizeof(PAConnection));
QTAILQ_INSERT_TAIL(&pa_conns, c, list);
c->mainloop = pa_threaded_mainloop_new();
if (!c->mainloop) {
goto fail;
}
c->context = pa_context_new(pa_threaded_mainloop_get_api(c->mainloop),
server);
if (!c->context) {
goto fail;
}
pa_context_set_state_callback(c->context, context_state_cb, c);
if (pa_context_connect(c->context, server, 0, NULL) < 0) {
qpa_logerr(pa_context_errno(c->context),
"pa_context_connect() failed\n");
goto fail;
}
pa_threaded_mainloop_lock(c->mainloop);
if (pa_threaded_mainloop_start(c->mainloop) < 0) {
goto unlock_and_fail;
}
for (;;) {
pa_context_state_t state;
state = pa_context_get_state(c->context);
if (state == PA_CONTEXT_READY) {
break;
}
if (!PA_CONTEXT_IS_GOOD(state)) {
qpa_logerr(pa_context_errno(c->context),
"Wrong context state\n");
goto unlock_and_fail;
}
/* Wait until the context is ready */
pa_threaded_mainloop_wait(c->mainloop);
}
pa_threaded_mainloop_unlock(c->mainloop);
return c;
unlock_and_fail:
pa_threaded_mainloop_unlock(c->mainloop);
fail:
AUD_log (AUDIO_CAP, "Failed to initialize PA context");
qpa_conn_fini(c);
return NULL;
}
static void *qpa_audio_init(Audiodev *dev) static void *qpa_audio_init(Audiodev *dev)
{ {
paaudio *g; paaudio *g;
AudiodevPaOptions *popts = &dev->u.pa; AudiodevPaOptions *popts = &dev->u.pa;
const char *server; const char *server;
PAConnection *c;
assert(dev->driver == AUDIODEV_DRIVER_PA);
if (!popts->has_server) { if (!popts->has_server) {
char pidfile[64]; char pidfile[64];
@ -849,93 +925,64 @@ static void *qpa_audio_init(Audiodev *dev)
} }
} }
assert(dev->driver == AUDIODEV_DRIVER_PA);
g = g_malloc(sizeof(paaudio));
server = popts->has_server ? popts->server : NULL;
if (!qpa_validate_per_direction_opts(dev, popts->in)) { if (!qpa_validate_per_direction_opts(dev, popts->in)) {
goto fail; return NULL;
} }
if (!qpa_validate_per_direction_opts(dev, popts->out)) { if (!qpa_validate_per_direction_opts(dev, popts->out)) {
goto fail; return NULL;
} }
g = g_malloc0(sizeof(paaudio));
server = popts->has_server ? popts->server : NULL;
g->dev = dev; g->dev = dev;
g->mainloop = NULL;
g->context = NULL;
g->mainloop = pa_threaded_mainloop_new (); QTAILQ_FOREACH(c, &pa_conns, list) {
if (!g->mainloop) { if (server == NULL || c->server == NULL ?
goto fail; server == c->server :
} strcmp(server, c->server) == 0) {
g->conn = c;
g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop),
server);
if (!g->context) {
goto fail;
}
pa_context_set_state_callback (g->context, context_state_cb, g);
if (pa_context_connect(g->context, server, 0, NULL) < 0) {
qpa_logerr (pa_context_errno (g->context),
"pa_context_connect() failed\n");
goto fail;
}
pa_threaded_mainloop_lock (g->mainloop);
if (pa_threaded_mainloop_start (g->mainloop) < 0) {
goto unlock_and_fail;
}
for (;;) {
pa_context_state_t state;
state = pa_context_get_state (g->context);
if (state == PA_CONTEXT_READY) {
break; break;
} }
if (!PA_CONTEXT_IS_GOOD (state)) {
qpa_logerr (pa_context_errno (g->context),
"Wrong context state\n");
goto unlock_and_fail;
} }
if (!g->conn) {
/* Wait until the context is ready */ g->conn = qpa_conn_init(server);
pa_threaded_mainloop_wait (g->mainloop);
} }
if (!g->conn) {
pa_threaded_mainloop_unlock (g->mainloop); g_free(g);
return g;
unlock_and_fail:
pa_threaded_mainloop_unlock (g->mainloop);
fail:
AUD_log (AUDIO_CAP, "Failed to initialize PA context");
qpa_audio_fini(g);
return NULL; return NULL;
}
++g->conn->refcount;
return g;
}
static void qpa_conn_fini(PAConnection *c)
{
if (c->mainloop) {
pa_threaded_mainloop_stop(c->mainloop);
}
if (c->context) {
pa_context_disconnect(c->context);
pa_context_unref(c->context);
}
if (c->mainloop) {
pa_threaded_mainloop_free(c->mainloop);
}
QTAILQ_REMOVE(&pa_conns, c, list);
g_free(c);
} }
static void qpa_audio_fini (void *opaque) static void qpa_audio_fini (void *opaque)
{ {
paaudio *g = opaque; paaudio *g = opaque;
PAConnection *c = g->conn;
if (g->mainloop) { if (--c->refcount == 0) {
pa_threaded_mainloop_stop (g->mainloop); qpa_conn_fini(c);
}
if (g->context) {
pa_context_disconnect (g->context);
pa_context_unref (g->context);
}
if (g->mainloop) {
pa_threaded_mainloop_free (g->mainloop);
} }
g_free(g); g_free(g);