1 files changed, 101 insertions, 0 deletions
diff --git a/polyp/source-output.c b/polyp/source-output.c
new file mode 100644
index 00000000..2705fdb3
--- /dev/null
+++ b/polyp/source-output.c
@@ -0,0 +1,101 @@
+/* $Id$ */
+
+/***
+  This file is part of polypaudio.
+ 
+  polypaudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 2 of the License,
+  or (at your option) any later version.
+ 
+  polypaudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+ 
+  You should have received a copy of the GNU General Public License
+  along with polypaudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "source-output.h"
+
+struct pa_source_output* pa_source_output_new(struct pa_source *s, const char *name, const struct pa_sample_spec *spec) {
+    struct pa_source_output *o;
+    struct pa_resampler *resampler = NULL;
+    int r;
+    assert(s && spec);
+
+    if (!pa_sample_spec_equal(&s->sample_spec, spec))
+        if (!(resampler = pa_resampler_new(&s->sample_spec, spec)))
+            return NULL;
+    
+    o = malloc(sizeof(struct pa_source_output));
+    assert(o);
+    o->name = name ? strdup(name) : NULL;
+    o->client = NULL;
+    o->owner = NULL;
+    o->source = s;
+    o->sample_spec = *spec;
+
+    o->push = NULL;
+    o->kill = NULL;
+    o->userdata = NULL;
+    o->resampler = resampler;
+    
+    assert(s->core);
+    r = pa_idxset_put(s->core->source_outputs, o, &o->index);
+    assert(r == 0 && o->index != PA_IDXSET_INVALID);
+    r = pa_idxset_put(s->outputs, o, NULL);
+    assert(r == 0);
+    
+    return o;    
+}
+
+void pa_source_output_free(struct pa_source_output* o) {
+    assert(o);
+
+    assert(o->source && o->source->core);
+    pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
+    pa_idxset_remove_by_data(o->source->outputs, o, NULL);
+
+    if (o->resampler)
+        pa_resampler_free(o->resampler);
+    
+    free(o->name);
+    free(o);
+}
+
+void pa_source_output_kill(struct pa_source_output*i) {
+    assert(i);
+
+    if (i->kill)
+        i->kill(i);
+}
+
+void pa_source_output_push(struct pa_source_output *o, const struct pa_memchunk *chunk) {
+    struct pa_memchunk rchunk;
+    assert(o && chunk && chunk->length && o->push);
+
+    if (!o->resampler) {
+        o->push(o, chunk);
+        return;
+    }
+
+    pa_resampler_run(o->resampler, chunk, &rchunk);
+    if (!rchunk.length)
+        return;
+    
+    assert(rchunk.memblock);
+    o->push(o, &rchunk);
+    pa_memblock_unref(rchunk.memblock);
+}