rename src to polyp

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f

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;
+}