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-rw-r--r--src/modules/alsa/module-alsa-card.c154
-rw-r--r--src/pulsecore/card.c13
-rw-r--r--src/pulsecore/card.h12
3 files changed, 165 insertions, 14 deletions
diff --git a/src/modules/alsa/module-alsa-card.c b/src/modules/alsa/module-alsa-card.c
index 64559c4f..2cc8a151 100644
--- a/src/modules/alsa/module-alsa-card.c
+++ b/src/modules/alsa/module-alsa-card.c
@@ -23,6 +23,10 @@
#include <config.h>
#endif
+#include <pulse/xmalloc.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+
#include "alsa-util.h"
#include "module-alsa-card-symdef.h"
@@ -30,27 +34,163 @@ PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_DESCRIPTION("ALSA Card");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
+PA_MODULE_USAGE(
+ "name=<name for the sink/source> "
+ "device_id=<ALSA card index> "
+ "format=<sample format> "
+ "rate=<sample rate> "
+ "fragments=<number of fragments> "
+ "fragment_size=<fragment size> "
+ "mmap=<enable memory mapping?> "
+ "tsched=<enable system timer based scheduling mode?> "
+ "tsched_buffer_size=<buffer size when using timer based scheduling> "
+ "tsched_buffer_watermark=<lower fill watermark> "
+ "profile=<profile name>");
+
+static const char* const valid_modargs[] = {
+ "sink_name",
+ "device",
+ "device_id",
+ "format",
+ "rate",
+ "channels",
+ "channel_map",
+ "fragments",
+ "fragment_size",
+ "mmap",
+ "tsched",
+ "tsched_buffer_size",
+ "tsched_buffer_watermark",
+ NULL
+};
+
+#define DEFAULT_DEVICE_ID "0"
+
+struct userdata {
+ pa_core *core;
+ pa_module *module;
+
+ char *device_id;
+
+ pa_card *card;
+};
+
+struct profile_data {
+ const pa_alsa_profile_info *sink, *source;
+};
static void enumerate_cb(
const pa_alsa_profile_info *sink,
const pa_alsa_profile_info *source,
void *userdata) {
- if (sink && source)
- pa_log("Found Output %s + Input %s", sink->description, source->description);
- else if (sink)
- pa_log("Found Output %s", sink->description);
- else if (source)
- pa_log("Found Input %s", source->description);
+ pa_hashmap *profiles = (pa_hashmap *) userdata;
+ char *t, *n;
+ pa_card_profile *p;
+ struct profile_data *d;
+
+ if (sink && source) {
+ n = pa_sprintf_malloc("%s+%s", sink->name, source->name);
+ t = pa_sprintf_malloc("Output %s + Input %s", sink->description, source->description);
+ } else if (sink) {
+ n = pa_xstrdup(sink->name);
+ t = pa_sprintf_malloc("Output %s", sink->description);
+ } else {
+ pa_assert(source);
+ n = pa_xstrdup(source->name);
+ t = pa_sprintf_malloc("Input %s", source->description);
+ }
+ pa_log_info("Found output profile '%s'", t);
+
+ p = pa_card_profile_new(n, t, sizeof(struct profile_data));
+
+ pa_xfree(t);
+ pa_xfree(n);
+
+ p->n_sinks = !!sink;
+ p->n_sources = !!source;
+
+ if (sink)
+ p->max_sink_channels = sink->map.channels;
+ if (source)
+ p->max_source_channels = source->map.channels;
+
+ d = PA_CARD_PROFILE_DATA(p);
+
+ d->sink = sink;
+ d->source = source;
+
+ pa_hashmap_put(profiles, p->name, p);
}
int pa__init(pa_module*m) {
+ pa_card_new_data data;
+ pa_modargs *ma;
+ int alsa_card_index;
+ struct userdata *u;
+
pa_alsa_redirect_errors_inc();
- pa_alsa_probe_profiles("1", &m->core->default_sample_spec, enumerate_cb, m);
+
+ pa_assert(m);
+
+ if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+ pa_log("Failed to parse module arguments");
+ goto fail;
+ }
+
+ m->userdata = u = pa_xnew0(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));
+
+ 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));
+ goto fail;
+ }
+
+ pa_card_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ pa_alsa_init_proplist_card(data.proplist, alsa_card_index);
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_id);
+ pa_card_new_data_set_name(&data, pa_modargs_get_value(ma, "name", u->device_id));
+
+ data.profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+ if (pa_alsa_probe_profiles(u->device_id, &m->core->default_sample_spec, enumerate_cb, data.profiles) < 0) {
+ pa_card_new_data_done(&data);
+ goto fail;
+ }
+
+ u->card = pa_card_new(m->core, &data);
+ pa_card_new_data_done(&data);
+
return 0;
+
+fail:
+
+ if (ma)
+ pa_modargs_free(ma);
+
+ pa__done(m);
+ return -1;
}
void pa__done(pa_module*m) {
+ struct userdata *u;
+
+ pa_assert(m);
+
+ if (!(u = m->userdata))
+ goto finish;
+
+ if (u->card)
+ pa_card_free(u->card);
+
+ pa_xfree(u->device_id);
+ pa_xfree(u);
+
+finish:
+ snd_config_update_free_global();
pa_alsa_redirect_errors_dec();
}
diff --git a/src/pulsecore/card.c b/src/pulsecore/card.c
index 99c0cc55..ec4a50c5 100644
--- a/src/pulsecore/card.c
+++ b/src/pulsecore/card.c
@@ -36,13 +36,14 @@
#include "card.h"
-pa_card_profile *pa_card_profile_new(const char *name) {
+pa_card_profile *pa_card_profile_new(const char *name, const char *description, size_t extra) {
pa_card_profile *c;
pa_assert(name);
- c = pa_xnew0(pa_card_profile, 1);
+ c = pa_xmalloc(PA_ALIGN(sizeof(pa_card_profile)) + extra);
c->name = pa_xstrdup(name);
+ c->description = pa_xstrdup(description);
return c;
}
@@ -51,6 +52,7 @@ void pa_card_profile_free(pa_card_profile *c) {
pa_assert(c);
pa_xfree(c->name);
+ pa_xfree(c->description);
pa_xfree(c);
}
@@ -122,7 +124,9 @@ pa_card *pa_card_new(pa_core *core, pa_card_new_data *data) {
c->profiles = data->profiles;
data->profiles = NULL;
- c->active_profile = data->active_profile;
+ if (!(c->active_profile = data->active_profile))
+ if (c->profiles)
+ c->active_profile = pa_hashmap_first(c->profiles);
data->active_profile = NULL;
c->userdata = NULL;
@@ -189,6 +193,9 @@ int pa_card_set_profile(pa_card *c, const char *name) {
if (!(profile = pa_hashmap_get(c->profiles, name)))
return -1;
+ if (c->active_profile == profile)
+ return 0;
+
if (c->set_profile(c, profile) < 0)
return -1;
diff --git a/src/pulsecore/card.h b/src/pulsecore/card.h
index e32e8809..b4e68b04 100644
--- a/src/pulsecore/card.h
+++ b/src/pulsecore/card.h
@@ -31,17 +31,20 @@ typedef struct pa_card pa_card;
typedef struct pa_card_profile {
char *name;
+ char *description;
- pa_bool_t optical_sink:1;
- pa_bool_t optical_source:1;
-
+ /* We probably want to have different properties later on here */
unsigned n_sinks;
unsigned n_sources;
unsigned max_sink_channels;
unsigned max_source_channels;
+
+ /* .. followed by some implementation specific data */
} pa_card_profile;
+#define PA_CARD_PROFILE_DATA(d) ((void*) ((uint8_t*) d + PA_ALIGN(sizeof(pa_card_profile))))
+
struct pa_card {
uint32_t index;
pa_core *core;
@@ -65,6 +68,7 @@ struct pa_card {
typedef struct pa_card_new_data {
char *name;
+ char *description;
pa_proplist *proplist;
const char *driver;
@@ -76,7 +80,7 @@ typedef struct pa_card_new_data {
pa_bool_t namereg_fail:1;
} pa_card_new_data;
-pa_card_profile *pa_card_profile_new(const char *name);
+pa_card_profile *pa_card_profile_new(const char *name, const char *description, size_t extra);
void pa_card_profile_free(pa_card_profile *c);
pa_card_new_data *pa_card_new_data_init(pa_card_new_data *data);