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authorKővágó, Zoltán <dirty.ice.hu@gmail.com>2015-06-03 23:03:49 +0200
committerGerd Hoffmann <kraxel@redhat.com>2015-06-15 12:42:47 +0200
commit9a644c4b4dfc7ebe7994bfa568cbeaa1847ca5ff (patch)
treee713ceca1319f9b3f010e0f52255899c14eb357c /audio/paaudio.c
parent5706db1deb061ee9affdcea81e59c4c2cad7c41e (diff)
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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>
Diffstat (limited to 'audio/paaudio.c')
-rw-r--r--audio/paaudio.c98
1 files changed, 52 insertions, 46 deletions
diff --git a/audio/paaudio.c b/audio/paaudio.c
index bdf6cd5..35e8887 100644
--- a/audio/paaudio.c
+++ b/audio/paaudio.c
@@ -9,6 +9,19 @@
#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;
int live;
@@ -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 */ }