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paaudio: do not use global variables 

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Kővágó, Zoltán 2015-06-03 23:03:49 +02:00 committed by Gerd Hoffmann
parent 5706db1deb
commit 9a644c4b4d
1 changed files with 52 additions and 46 deletions
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98
audio/paaudio.c
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@ -8,6 +8,19 @@
#include "audio_int.h"
#include "audio_pt_int.h"
typedef struct {
int samples;
char *server;
char *sink;
char *source;
} PAConf;
typedef struct {
PAConf conf;
pa_threaded_mainloop *mainloop;
pa_context *context;
} paaudio;
typedef struct {
HWVoiceOut hw;
int done;
@ -17,6 +30,7 @@ typedef struct {
pa_stream *stream;
void *pcm_buf;
struct audio_pt pt;
paaudio *g;
} PAVoiceOut;
typedef struct {
@ -30,21 +44,9 @@ typedef struct {
struct audio_pt pt;
const void *read_data;
size_t read_index, read_length;
paaudio *g;
} PAVoiceIn;
typedef struct {
int samples;
char *server;
char *sink;
char *source;
pa_threaded_mainloop *mainloop;
pa_context *context;
} paaudio;
static paaudio glob_paaudio = {
.samples = 4096,
};
static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
{
va_list ap;
@ -106,7 +108,7 @@ 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)
{
paaudio *g = &glob_paaudio;
paaudio *g = p->g;
pa_threaded_mainloop_lock (g->mainloop);
@ -160,7 +162,7 @@ unlock_and_fail:
static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror)
{
paaudio *g = &glob_paaudio;
paaudio *g = p->g;
pa_threaded_mainloop_lock (g->mainloop);
@ -222,7 +224,7 @@ static void *qpa_thread_out (void *arg)
}
}
decr = to_mix = audio_MIN (pa->live, glob_paaudio.samples >> 2);
decr = to_mix = audio_MIN (pa->live, pa->g->conf.samples >> 2);
rpos = pa->rpos;
if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
@ -314,7 +316,7 @@ static void *qpa_thread_in (void *arg)
}
}
incr = to_grab = audio_MIN (pa->dead, glob_paaudio.samples >> 2);
incr = to_grab = audio_MIN (pa->dead, pa->g->conf.samples >> 2);
wpos = pa->wpos;
if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
@ -430,7 +432,7 @@ static audfmt_e pa_to_audfmt (pa_sample_format_t fmt, int *endianness)
static void context_state_cb (pa_context *c, void *userdata)
{
paaudio *g = &glob_paaudio;
paaudio *g = userdata;
switch (pa_context_get_state(c)) {
case PA_CONTEXT_READY:
@ -449,7 +451,7 @@ static void context_state_cb (pa_context *c, void *userdata)
static void stream_state_cb (pa_stream *s, void * userdata)
{
paaudio *g = &glob_paaudio;
paaudio *g = userdata;
switch (pa_stream_get_state (s)) {
@ -467,23 +469,21 @@ static void stream_state_cb (pa_stream *s, void * userdata)
static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
{
paaudio *g = &glob_paaudio;
paaudio *g = userdata;
pa_threaded_mainloop_signal (g->mainloop, 0);
}
static pa_stream *qpa_simple_new (
const char *server,
paaudio *g,
const char *name,
pa_stream_direction_t dir,
const char *dev,
const char *stream_name,
const pa_sample_spec *ss,
const pa_channel_map *map,
const pa_buffer_attr *attr,
int *rerror)
{
paaudio *g = &glob_paaudio;
int r;
pa_stream *stream;
@ -538,10 +538,11 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
void *drv_opaque)
{
int error;
static pa_sample_spec ss;
static pa_buffer_attr ba;
pa_sample_spec ss;
pa_buffer_attr ba;
struct audsettings obt_as = *as;
PAVoiceOut *pa = (PAVoiceOut *) hw;
paaudio *g = pa->g = drv_opaque;
ss.format = audfmt_to_pa (as->fmt, as->endianness);
ss.channels = as->nchannels;
@ -559,11 +560,10 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
pa->stream = qpa_simple_new (
glob_paaudio.server,
g,
"qemu",
PA_STREAM_PLAYBACK,
glob_paaudio.sink,
"pcm.playback",
g->conf.sink,
&ss,
NULL, /* channel map */
&ba, /* buffering attributes */
@ -575,7 +575,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
}
audio_pcm_init_info (&hw->info, &obt_as);
hw->samples = glob_paaudio.samples;
hw->samples = g->conf.samples;
pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
pa->rpos = hw->rpos;
if (!pa->pcm_buf) {
@ -605,9 +605,10 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
{
int error;
static pa_sample_spec ss;
pa_sample_spec ss;
struct audsettings obt_as = *as;
PAVoiceIn *pa = (PAVoiceIn *) hw;
paaudio *g = pa->g = drv_opaque;
ss.format = audfmt_to_pa (as->fmt, as->endianness);
ss.channels = as->nchannels;
@ -616,11 +617,10 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
pa->stream = qpa_simple_new (
glob_paaudio.server,
g,
"qemu",
PA_STREAM_RECORD,
glob_paaudio.source,
"pcm.capture",
g->conf.source,
&ss,
NULL, /* channel map */
NULL, /* buffering attributes */
@ -632,7 +632,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
}
audio_pcm_init_info (&hw->info, &obt_as);
hw->samples = glob_paaudio.samples;
hw->samples = g->conf.samples;
pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
pa->wpos = hw->wpos;
if (!pa->pcm_buf) {
@ -704,7 +704,7 @@ static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
PAVoiceOut *pa = (PAVoiceOut *) hw;
pa_operation *op;
pa_cvolume v;
paaudio *g = &glob_paaudio;
paaudio *g = pa->g;
#ifdef PA_CHECK_VERSION /* macro is present in 0.9.16+ */
pa_cvolume_init (&v); /* function is present in 0.9.13+ */
@ -756,7 +756,7 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
PAVoiceIn *pa = (PAVoiceIn *) hw;
pa_operation *op;
pa_cvolume v;
paaudio *g = &glob_paaudio;
paaudio *g = pa->g;
#ifdef PA_CHECK_VERSION
pa_cvolume_init (&v);
@ -806,23 +806,29 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
}
/* common */
static PAConf glob_conf = {
.samples = 4096,
};
static void *qpa_audio_init (void)
{
paaudio *g = &glob_paaudio;
paaudio *g = g_malloc(sizeof(paaudio));
g->conf = glob_conf;
g->mainloop = pa_threaded_mainloop_new ();
if (!g->mainloop) {
goto fail;
}
g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop), glob_paaudio.server);
g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop),
g->conf.server);
if (!g->context) {
goto fail;
}
pa_context_set_state_callback (g->context, context_state_cb, g);
if (pa_context_connect (g->context, glob_paaudio.server, 0, NULL) < 0) {
if (pa_context_connect (g->context, g->conf.server, 0, NULL) < 0) {
qpa_logerr (pa_context_errno (g->context),
"pa_context_connect() failed\n");
goto fail;
@ -855,12 +861,13 @@ static void *qpa_audio_init (void)
pa_threaded_mainloop_unlock (g->mainloop);
return &glob_paaudio;
return g;
unlock_and_fail:
pa_threaded_mainloop_unlock (g->mainloop);
fail:
AUD_log (AUDIO_CAP, "Failed to initialize PA context");
g_free(g);
return NULL;
}
@ -875,39 +882,38 @@ static void qpa_audio_fini (void *opaque)
if (g->context) {
pa_context_disconnect (g->context);
pa_context_unref (g->context);
g->context = NULL;
}
if (g->mainloop) {
pa_threaded_mainloop_free (g->mainloop);
}
g->mainloop = NULL;
g_free(g);
}
struct audio_option qpa_options[] = {
{
.name = "SAMPLES",
.tag = AUD_OPT_INT,
.valp = &glob_paaudio.samples,
.valp = &glob_conf.samples,
.descr = "buffer size in samples"
},
{
.name = "SERVER",
.tag = AUD_OPT_STR,
.valp = &glob_paaudio.server,
.valp = &glob_conf.server,
.descr = "server address"
},
{
.name = "SINK",
.tag = AUD_OPT_STR,
.valp = &glob_paaudio.sink,
.valp = &glob_conf.sink,
.descr = "sink device name"
},
{
.name = "SOURCE",
.tag = AUD_OPT_STR,
.valp = &glob_paaudio.source,
.valp = &glob_conf.source,
.descr = "source device name"
},
{ /* End of list */ }