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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"
struct source* source_new(struct core *core, const char *name, const struct sample_spec *spec) {
struct source *s;
int r;
assert(core && spec);
s = malloc(sizeof(struct source));
assert(s);
s->name = name ? strdup(name) : NULL;
s->core = core;
s->sample_spec = *spec;
s->outputs = idxset_new(NULL, NULL);
s->notify = NULL;
s->userdata = NULL;
r = idxset_put(core->sources, s, &s->index);
assert(s->index != IDXSET_INVALID && r >= 0);
fprintf(stderr, "source: created %u \"%s\"\n", s->index, s->name);
return s;
}
void source_free(struct source *s) {
struct source_output *o, *j = NULL;
assert(s);
while ((o = idxset_first(s->outputs, NULL))) {
assert(o != j);
source_output_kill(o);
j = o;
}
idxset_free(s->outputs, NULL, NULL);
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 source_notify(struct source*s) {
assert(s);
if (s->notify)
s->notify(s);
}
static int do_post(void *p, uint32_t index, int *del, void*userdata) {
struct memchunk *chunk = userdata;
struct source_output *o = p;
assert(o && o->push && del && chunk);
o->push(o, chunk);
return 0;
}
void source_post(struct source*s, struct memchunk *chunk) {
assert(s && chunk);
idxset_foreach(s->outputs, do_post, chunk);
}
struct source* source_get_default(struct core *c) {
struct source *source;
assert(c);
if ((source = idxset_get_by_index(c->sources, c->default_source_index)))
return source;
if (!(source = 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 *source_list_to_string(struct core *c) {
struct strbuf *s;
struct source *source, *default_source;
uint32_t index = IDXSET_INVALID;
assert(c);
s = strbuf_new();
assert(s);
strbuf_printf(s, "%u source(s) available.\n", idxset_ncontents(c->sources));
default_source = source_get_default(c);
for (source = idxset_first(c->sources, &index); source; source = idxset_next(c->sources, &index))
strbuf_printf(s, " %c index: %u, name: <%s>\n", source == default_source ? '*' : ' ', source->index, source->name);
return strbuf_tostring_free(s);
}
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