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-rw-r--r--polyp/source.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/polyp/source.c b/polyp/source.c
new file mode 100644
index 00000000..ccde0e2f
--- /dev/null
+++ b/polyp/source.c
@@ -0,0 +1,131 @@
+/* $Id$ */
+
+/***
+ 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 <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "source.h"
+#include "source-output.h"
+#include "namereg.h"
+
+struct pa_source* pa_source_new(struct pa_core *core, const char *name, int fail, const struct pa_sample_spec *spec) {
+ struct pa_source *s;
+ char st[256];
+ int r;
+ assert(core && spec && name);
+
+ s = malloc(sizeof(struct pa_source));
+ assert(s);
+
+ if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) {
+ free(s);
+ return NULL;
+ }
+
+ s->name = strdup(name);
+ s->description = NULL;
+
+ s->owner = NULL;
+ s->core = core;
+ s->sample_spec = *spec;
+ s->outputs = pa_idxset_new(NULL, NULL);
+ s->monitor_of = NULL;
+
+ s->notify = NULL;
+ s->userdata = NULL;
+
+ r = pa_idxset_put(core->sources, s, &s->index);
+ assert(s->index != PA_IDXSET_INVALID && r >= 0);
+
+ pa_sample_snprint(st, sizeof(st), spec);
+ fprintf(stderr, "source: created %u \"%s\" with sample spec \"%s\"\n", s->index, s->name, st);
+
+ return s;
+}
+
+void pa_source_free(struct pa_source *s) {
+ struct pa_source_output *o, *j = NULL;
+ assert(s);
+
+ pa_namereg_unregister(s->core, s->name);
+
+ while ((o = pa_idxset_first(s->outputs, NULL))) {
+ assert(o != j);
+ pa_source_output_kill(o);
+ j = o;
+ }
+ pa_idxset_free(s->outputs, NULL, NULL);
+
+ pa_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->description);
+ free(s);
+}
+
+void pa_source_notify(struct pa_source*s) {
+ assert(s);
+
+ if (s->notify)
+ s->notify(s);
+}
+
+static int do_post(void *p, uint32_t index, int *del, void*userdata) {
+ struct pa_memchunk *chunk = userdata;
+ struct pa_source_output *o = p;
+ assert(o && o->push && del && chunk);
+
+ pa_source_output_push(o, chunk);
+ return 0;
+}
+
+void pa_source_post(struct pa_source*s, struct pa_memchunk *chunk) {
+ assert(s && chunk);
+
+ pa_idxset_foreach(s->outputs, do_post, chunk);
+}
+
+struct pa_source* pa_source_get_default(struct pa_core *c) {
+ struct pa_source *source;
+ assert(c);
+
+ if ((source = pa_idxset_get_by_index(c->sources, c->default_source_index)))
+ return source;
+
+ if (!(source = pa_idxset_first(c->sources, &c->default_source_index)))
+ return NULL;
+
+ fprintf(stderr, "core: default source vanished, setting to %u.\n", source->index);
+ return source;
+}
+
+void pa_source_set_owner(struct pa_source *s, struct pa_module *m) {
+ assert(s);
+ s->owner = m;
+}