initial commit

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@3 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/core.c

@@ -0,0 +1,81 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <stdio.h>
+
+#include "core.h"
+#include "module.h"
+#include "sink.h"
+#include "source.h"
+
+struct core* core_new(struct mainloop *m) {
+    struct core* c;
+    c = malloc(sizeof(struct core));
+    assert(c);
+
+    c->mainloop = m;
+    c->clients = idxset_new(NULL, NULL);
+    c->sinks = idxset_new(NULL, NULL);
+    c->sources = idxset_new(NULL, NULL);
+    c->output_streams = idxset_new(NULL, NULL);
+    c->input_streams = idxset_new(NULL, NULL);
+
+    c->default_source_index = c->default_sink_index = IDXSET_INVALID;
+
+    c->modules = NULL;
+    
+    return c;
+};
+
+void core_free(struct core *c) {
+    assert(c);
+
+    module_unload_all(c);
+    assert(!c->modules);
+    
+    assert(idxset_isempty(c->clients));
+    idxset_free(c->clients, NULL, NULL);
+    
+    assert(idxset_isempty(c->sinks));
+    idxset_free(c->sinks, NULL, NULL);
+
+    assert(idxset_isempty(c->sources));
+    idxset_free(c->sources, NULL, NULL);
+    
+    assert(idxset_isempty(c->output_streams));
+    idxset_free(c->output_streams, NULL, NULL);
+    
+    assert(idxset_isempty(c->input_streams));
+    idxset_free(c->input_streams, NULL, NULL);
+
+    free(c);    
+};
+
+struct sink* core_get_default_sink(struct core *c) {
+    struct sink *sink;
+    assert(c);
+
+    if ((sink = idxset_get_by_index(c->sinks, c->default_sink_index)))
+        return sink;
+
+    if (!(sink = idxset_rrobin(c->sinks, NULL)))
+        return NULL;
+
+    fprintf(stderr, "Default sink vanished, setting to %u\n", sink->index);
+    c->default_sink_index = sink->index;
+    return sink;
+}
+
+struct source* core_get_default_source(struct core *c) {
+    struct source *source;
+    assert(c);
+
+    if ((source = idxset_get_by_index(c->sources, c->default_source_index)))
+        return source;
+
+    if (!(source = idxset_rrobin(c->sources, NULL)))
+        return NULL;
+
+    fprintf(stderr, "Default source vanished, setting to %u\n", source->index);
+    c->default_source_index = source->index;
+    return source;
+}