#include <config.h>
#endif
+#include <pulse/xmalloc.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/queue.h>
+
#include "alsa-util.h"
+#include "alsa-sink.h"
+#include "alsa-source.h"
#include "module-alsa-card-symdef.h"
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 card/sink/source, to be prefixed> "
+ "card_name=<name for card> "
+ "sink_name=<name for sink> "
+ "source_name=<name for 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[] = {
+ "name",
+ "card_name",
+ "sink_name",
+ "source_name",
+ "device_id",
+ "format",
+ "rate",
+ "fragments",
+ "fragment_size",
+ "mmap",
+ "tsched",
+ "tsched_buffer_size",
+ "tsched_buffer_watermark",
+ "profile",
+ NULL
+};
+
+#define DEFAULT_DEVICE_ID "0"
+
+struct userdata {
+ pa_core *core;
+ pa_module *module;
+
+ char *device_id;
+
+ pa_card *card;
+ pa_sink *sink;
+ pa_source *source;
+
+ pa_modargs *modargs;
+};
+
+struct profile_data {
+ const pa_alsa_profile_info *sink_profile, *source_profile;
+};
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("output-%s+input-%s", sink->name, source->name);
+ t = pa_sprintf_malloc("Output %s + Input %s", sink->description, source->description);
+ } else if (sink) {
+ n = pa_sprintf_malloc("output-%s", sink->name);
+ t = pa_sprintf_malloc("Output %s", sink->description);
+ } else {
+ pa_assert(source);
+ n = pa_sprintf_malloc("input-%s", 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->priority = (sink ? sink->priority : 0)*100 + (source ? source->priority : 0);
+ 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_profile = sink;
+ d->source_profile = source;
+
+ pa_hashmap_put(profiles, p->name, p);
+}
+
+static void add_disabled_profile(pa_hashmap *profiles) {
+ pa_card_profile *p;
+ struct profile_data *d;
+
+ p = pa_card_profile_new("off", "Off", sizeof(struct profile_data));
+
+ d = PA_CARD_PROFILE_DATA(p);
+ 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) {
+ pa_queue *inputs = NULL;
+
+ if (u->sink) {
+ if (nd->sink_profile)
+ inputs = pa_sink_move_all_start(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 (inputs) {
+ if (u->sink)
+ pa_sink_move_all_finish(u->sink, inputs);
+ else
+ pa_sink_move_all_fail(inputs);
+ }
+ }
+ }
+
+ if (od->source_profile != nd->source_profile) {
+ pa_queue *outputs = NULL;
+
+ if (u->source) {
+ if (nd->source_profile)
+ outputs = pa_source_move_all_start(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);
+
+ if (outputs) {
+ if (u->source)
+ pa_source_move_all_finish(u->source, outputs);
+ else
+ pa_source_move_all_fail(outputs);
+ }
+ }
+ }
+
+ 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);
+}
+
+static void set_card_name(pa_card_new_data *data, pa_modargs *ma, const char *device_id) {
+ char *t;
+ const char *n;
+
+ pa_assert(data);
+ pa_assert(ma);
+ pa_assert(device_id);
+
+ if ((n = pa_modargs_get_value(ma, "card_name", NULL))) {
+ pa_card_new_data_set_name(data, n);
+ data->namereg_fail = TRUE;
+ return;
+ }
+
+ if ((n = pa_modargs_get_value(ma, "name", NULL)))
+ data->namereg_fail = TRUE;
+ else {
+ n = device_id;
+ data->namereg_fail = FALSE;
+ }
+
+ t = pa_sprintf_malloc("alsa_card.%s", n);
+ pa_card_new_data_set_name(data, t);
+ pa_xfree(t);
}
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);
+ snd_config_update_free_global();
+
+ 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_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));
+ 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);
+ set_card_name(&data, ma, 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;
+ }
+
+ if (pa_hashmap_isempty(data.profiles)) {
+ pa_log("Failed to find a working profile.");
+ pa_card_new_data_done(&data);
+ goto fail;
+ }
+
+ add_disabled_profile(data.profiles);
+
+ 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:
+
+ 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;
+
+ pa_assert(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);
+
+finish:
+ snd_config_update_free_global();
pa_alsa_redirect_errors_dec();
}
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