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#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "source.h"
#include "sourceoutput.h"
#include "strbuf.h"
#include "namereg.h"
struct pa_source* pa_source_new(struct pa_core *core, const char *name, int fail, const struct pa_sample_spec *spec) {
struct pa_source *s;
char st[256];
int r;
assert(core && spec);
s = malloc(sizeof(struct pa_source));
assert(s);
if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) {
free(s);
return NULL;
}
s->name = strdup(name);
s->core = core;
s->sample_spec = *spec;
s->outputs = pa_idxset_new(NULL, NULL);
s->monitor_of = NULL;
s->notify = NULL;
s->userdata = NULL;
r = pa_idxset_put(core->sources, s, &s->index);
assert(s->index != PA_IDXSET_INVALID && r >= 0);
pa_sample_snprint(st, sizeof(st), spec);
fprintf(stderr, "source: created %u \"%s\" with sample spec \"%s\"\n", s->index, s->name, st);
return s;
}
void pa_source_free(struct pa_source *s) {
struct pa_source_output *o, *j = NULL;
assert(s);
pa_namereg_unregister(s->core, s->name);
while ((o = pa_idxset_first(s->outputs, NULL))) {
assert(o != j);
pa_source_output_kill(o);
j = o;
}
pa_idxset_free(s->outputs, NULL, NULL);
pa_idxset_remove_by_data(s->core->sources, s, NULL);
fprintf(stderr, "source: freed %u \"%s\"\n", s->index, s->name);
free(s->name);
free(s);
}
void pa_source_notify(struct pa_source*s) {
assert(s);
if (s->notify)
s->notify(s);
}
static int do_post(void *p, uint32_t index, int *del, void*userdata) {
struct pa_memchunk *chunk = userdata;
struct pa_source_output *o = p;
assert(o && o->push && del && chunk);
pa_source_output_push(o, chunk);
return 0;
}
void pa_source_post(struct pa_source*s, struct pa_memchunk *chunk) {
assert(s && chunk);
pa_idxset_foreach(s->outputs, do_post, chunk);
}
struct pa_source* pa_source_get_default(struct pa_core *c) {
struct pa_source *source;
assert(c);
if ((source = pa_idxset_get_by_index(c->sources, c->default_source_index)))
return source;
if (!(source = pa_idxset_first(c->sources, &c->default_source_index)))
return NULL;
fprintf(stderr, "core: default source vanished, setting to %u.\n", source->index);
return source;
}
char *pa_source_list_to_string(struct pa_core *c) {
struct pa_strbuf *s;
struct pa_source *source, *default_source;
uint32_t index = PA_IDXSET_INVALID;
assert(c);
s = pa_strbuf_new();
assert(s);
pa_strbuf_printf(s, "%u source(s) available.\n", pa_idxset_ncontents(c->sources));
default_source = pa_source_get_default(c);
for (source = pa_idxset_first(c->sources, &index); source; source = pa_idxset_next(c->sources, &index)) {
char ss[PA_SAMPLE_SNPRINT_MAX_LENGTH];
char mo[256] = "";
if (source->monitor_of)
snprintf(mo, sizeof(mo), "\n\tmonitor_of: <%u>", source->monitor_of->index);
pa_sample_snprint(ss, sizeof(ss), &source->sample_spec);
pa_strbuf_printf(s, " %c index: %u\n\tname: <%s>\n\tsample_spec: <%s>%s\n", source == default_source ? '*' : ' ', source->index, source->name, ss, mo);
}
return pa_strbuf_tostring_free(s);
}
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