initial commit

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

src/inputstream.c

@@ -0,0 +1,50 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "inputstream.h"
+
+struct input_stream* input_stream_new(struct sink *s, struct sample_spec *spec, const char *name) {
+    struct input_stream *i;
+    int r;
+    assert(s && spec);
+
+    i = malloc(sizeof(struct input_stream));
+    assert(i);
+    i->name = name ? strdup(name) : NULL;
+    i->sink = s;
+    i->spec = *spec;
+
+    i->memblockq = memblockq_new(bytes_per_second(spec)*5, sample_size(spec));
+    assert(i->memblockq);
+    
+    assert(s->core);
+    r = idxset_put(s->core->input_streams, i, &i->index);
+    assert(r == 0 && i->index != IDXSET_INVALID);
+    r = idxset_put(s->input_streams, i, NULL);
+    assert(r == 0);
+    
+    return i;    
+}
+
+void input_stream_free(struct input_stream* i) {
+    assert(i);
+
+    memblockq_free(i->memblockq);
+
+    assert(i->sink && i->sink->core);
+    idxset_remove_by_data(i->sink->core->input_streams, i, NULL);
+    idxset_remove_by_data(i->sink->input_streams, i, NULL);
+    
+    free(i->name);
+    free(i);
+}
+
+void input_stream_notify(struct input_stream *i) {
+    assert(i);
+
+    if (memblockq_is_empty(i->memblockq))
+        return;
+    
+    sink_notify(i->sink);
+}