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make implementation of module-alsa-card complete

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This commit is contained in:
Lennart Poettering 2009-01-21 02:02:30 +01:00
parent 7ca0e00a2c
commit e8f93b125e
7 changed files with 114 additions and 27 deletions
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106
src/modules/alsa/module-alsa-card.c
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@ -28,6 +28,8 @@
#include <pulsecore/modargs.h>
#include "alsa-util.h"
#include "alsa-sink.h"
#include "alsa-source.h"
#include "module-alsa-card-symdef.h"
PA_MODULE_AUTHOR("Lennart Poettering");
@ -48,19 +50,17 @@ PA_MODULE_USAGE(
"profile=<profile name>");
static const char* const valid_modargs[] = {
"sink_name",
"device",
"name",
"device_id",
"format",
"rate",
"channels",
"channel_map",
"fragments",
"fragment_size",
"mmap",
"tsched",
"tsched_buffer_size",
"tsched_buffer_watermark",
"profile",
NULL
};
@ -73,10 +73,14 @@ struct userdata {
char *device_id;
pa_card *card;
pa_sink *sink;
pa_source *source;
pa_modargs *modargs;
};
struct profile_data {
const pa_alsa_profile_info *sink, *source;
const pa_alsa_profile_info *sink_profile, *source_profile;
};
static void enumerate_cb(
@ -119,8 +123,8 @@ static void enumerate_cb(
d = PA_CARD_PROFILE_DATA(p);
d->sink = sink;
d->source = source;
d->sink_profile = sink;
d->source_profile = source;
pa_hashmap_put(profiles, p->name, p);
}
@ -132,11 +136,59 @@ static void add_disabled_profile(pa_hashmap *profiles) {
p = pa_card_profile_new("off", "Off", sizeof(struct profile_data));
d = PA_CARD_PROFILE_DATA(p);
d->sink = d->source = NULL;
d->sink_profile = d->source_profile = NULL;
pa_hashmap_put(profiles, p->name, p);
}
static int card_set_profile(pa_card *c, pa_card_profile *new_profile) {
struct userdata *u;
struct profile_data *nd, *od;
pa_assert(c);
pa_assert(new_profile);
pa_assert_se(u = c->userdata);
nd = PA_CARD_PROFILE_DATA(new_profile);
od = PA_CARD_PROFILE_DATA(c->active_profile);
if (od->sink_profile != nd->sink_profile) {
if (u->sink) {
pa_alsa_sink_free(u->sink);
u->sink = NULL;
}
if (nd->sink_profile)
u->sink = pa_alsa_sink_new(c->module, u->modargs, __FILE__, c, nd->sink_profile);
}
if (od->source_profile != nd->source_profile) {
if (u->source) {
pa_alsa_source_free(u->source);
u->source = NULL;
}
if (nd->source_profile)
u->source = pa_alsa_source_new(c->module, u->modargs, __FILE__, c, nd->source_profile);
}
return 0;
}
static void init_profile(struct userdata *u) {
struct profile_data *d;
pa_assert(u);
d = PA_CARD_PROFILE_DATA(u->card->active_profile);
if (d->sink_profile)
u->sink = pa_alsa_sink_new(u->module, u->modargs, __FILE__, u->card, d->sink_profile);
if (d->source_profile)
u->source = pa_alsa_source_new(u->module, u->modargs, __FILE__, u->card, d->source_profile);
}
int pa__init(pa_module*m) {
pa_card_new_data data;
pa_modargs *ma;
@ -144,6 +196,7 @@ int pa__init(pa_module*m) {
struct userdata *u;
pa_alsa_redirect_errors_inc();
snd_config_update_free_global();
pa_assert(m);
@ -152,10 +205,14 @@ int pa__init(pa_module*m) {
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
m->userdata = u = pa_xnew(struct userdata, 1);
u->core = m->core;
u->module = m;
u->device_id = pa_xstrdup(pa_modargs_get_value(ma, "device_id", DEFAULT_DEVICE_ID));
u->card = NULL;
u->sink = NULL;
u->source = NULL;
u->modargs = ma;
if ((alsa_card_index = snd_card_get_index(u->device_id)) < 0) {
pa_log("Card '%s' doesn't exist: %s", u->device_id, snd_strerror(alsa_card_index));
@ -186,17 +243,33 @@ int pa__init(pa_module*m) {
u->card = pa_card_new(m->core, &data);
pa_card_new_data_done(&data);
if (!u->card)
goto fail;
u->card->userdata = u;
u->card->set_profile = card_set_profile;
init_profile(u);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}
int pa__get_n_used(pa_module *m) {
struct userdata *u;
pa_assert(m);
pa_assert_se(u = m->userdata);
return
(u->sink ? pa_sink_linked_by(u->sink) : 0) +
(u->source ? pa_source_linked_by(u->source) : 0);
}
void pa__done(pa_module*m) {
struct userdata *u;
@ -205,9 +278,18 @@ void pa__done(pa_module*m) {
if (!(u = m->userdata))
goto finish;
if (u->sink)
pa_alsa_sink_free(u->sink);
if (u->source)
pa_alsa_source_free(u->source);
if (u->card)
pa_card_free(u->card);
if (u->modargs)
pa_modargs_free(u->modargs);
pa_xfree(u->device_id);
pa_xfree(u);