mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-04 13:29:59 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

add resampling

Browse source 
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@45 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-07-03 00:19:17 +00:00
parent 13b35a2489
commit 741aa44ffc
26 changed files with 251 additions and 115 deletions
Download patch file Download diff file Expand all files Collapse all files

29
src/sourceoutput.c
View file

@ -5,11 +5,16 @@
#include "sourceoutput.h"
#include "strbuf.h"
struct source_output* source_output_new(struct source *s, struct pa_sample_spec *spec, const char *name) {
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;
@ -19,6 +24,7 @@ struct source_output* source_output_new(struct source *s, struct pa_sample_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);
@ -35,6 +41,9 @@ void source_output_free(struct source_output* 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);
@ -68,3 +77,21 @@ char *source_output_list_to_string(struct core *c) {
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);
}