mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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3d374e9f67
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@112 fefdeb5f-60dc-0310-8127-8f9354f1896f
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "source-output.h"
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#include "xmalloc.h"
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#include "subscribe.h"
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struct pa_source_output* pa_source_output_new(struct pa_source *s, const char *name, const struct pa_sample_spec *spec) {
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struct pa_source_output *o;
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struct pa_resampler *resampler = NULL;
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int r;
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assert(s && spec);
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if (!pa_sample_spec_equal(&s->sample_spec, spec))
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if (!(resampler = pa_resampler_new(&s->sample_spec, spec)))
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return NULL;
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o = pa_xmalloc(sizeof(struct pa_source_output));
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o->name = pa_xstrdup(name);
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o->client = NULL;
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o->owner = NULL;
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o->source = s;
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o->sample_spec = *spec;
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o->push = NULL;
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o->kill = NULL;
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o->userdata = NULL;
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o->resampler = resampler;
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assert(s->core);
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r = pa_idxset_put(s->core->source_outputs, o, &o->index);
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assert(r == 0 && o->index != PA_IDXSET_INVALID);
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r = pa_idxset_put(s->outputs, o, NULL);
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assert(r == 0);
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pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
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return o;
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}
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void pa_source_output_free(struct pa_source_output* o) {
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assert(o);
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assert(o->source && o->source->core);
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pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
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pa_idxset_remove_by_data(o->source->outputs, o, NULL);
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if (o->resampler)
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pa_resampler_free(o->resampler);
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pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
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pa_xfree(o->name);
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pa_xfree(o);
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}
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void pa_source_output_kill(struct pa_source_output*i) {
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assert(i);
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if (i->kill)
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i->kill(i);
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}
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void pa_source_output_push(struct pa_source_output *o, const struct pa_memchunk *chunk) {
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struct pa_memchunk rchunk;
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assert(o && chunk && chunk->length && o->push);
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if (!o->resampler) {
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o->push(o, chunk);
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return;
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}
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pa_resampler_run(o->resampler, chunk, &rchunk);
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if (!rchunk.length)
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return;
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assert(rchunk.memblock);
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o->push(o, &rchunk);
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pa_memblock_unref(rchunk.memblock);
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}
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