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#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "sourceoutput.h"
#include "strbuf.h"
struct source_output* source_output_new(struct source *s, const char *name, const struct pa_sample_spec *spec) {
struct source_output *o;
struct resampler *resampler = NULL;
int r;
assert(s && spec);
if (!pa_sample_spec_equal(&s->sample_spec, spec))
if (!(resampler = resampler_new(&s->sample_spec, spec)))
return NULL;
o = malloc(sizeof(struct source_output));
assert(o);
o->name = name ? strdup(name) : NULL;
o->source = s;
o->sample_spec = *spec;
o->push = NULL;
o->kill = NULL;
o->userdata = NULL;
o->resampler = resampler;
assert(s->core);
r = idxset_put(s->core->source_outputs, o, &o->index);
assert(r == 0 && o->index != IDXSET_INVALID);
r = idxset_put(s->outputs, o, NULL);
assert(r == 0);
return o;
}
void source_output_free(struct source_output* o) {
assert(o);
assert(o->source && o->source->core);
idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
idxset_remove_by_data(o->source->outputs, o, NULL);
if (o->resampler)
resampler_free(o->resampler);
free(o->name);
free(o);
}
void source_output_kill(struct source_output*i) {
assert(i);
if (i->kill)
i->kill(i);
}
char *source_output_list_to_string(struct core *c) {
struct strbuf *s;
struct source_output *o;
uint32_t index = IDXSET_INVALID;
assert(c);
s = strbuf_new();
assert(s);
strbuf_printf(s, "%u source outputs(s) available.\n", idxset_ncontents(c->source_outputs));
for (o = idxset_first(c->source_outputs, &index); o; o = idxset_next(c->source_outputs, &index)) {
assert(o->source);
strbuf_printf(s, " %c index: %u, name: <%s>, source: <%u>\n",
o->index,
o->name,
o->source->index);
}
return strbuf_tostring_free(s);
}
void source_output_push(struct source_output *o, const struct memchunk *chunk) {
struct memchunk rchunk;
assert(o && chunk && chunk->length && o->push);
if (!o->resampler) {
o->push(o, chunk);
return;
}
resampler_run(o->resampler, chunk, &rchunk);
if (!rchunk.length)
return;
assert(rchunk.memblock);
o->push(o, &rchunk);
memblock_unref(rchunk.memblock);
}
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