more work

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@17 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/sinkinput.c

@@ -0,0 +1,82 @@
+#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->kill = NULL;
+    i->kill_userdata = NULL;
+    i->notify = NULL;
+    i->notify_userdata = NULL;
+
+    i->memblockq = memblockq_new(bytes_per_second(spec)/2, sample_size(spec), (size_t) -1);
+    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_sink(struct input_stream *i) {
+    assert(i);
+
+    if (!memblockq_is_readable(i->memblockq))
+        return;
+    
+    sink_notify(i->sink);
+}
+
+void input_stream_set_kill_callback(struct input_stream *i, void (*kill)(struct input_stream*i, void *userdata), void *userdata) {
+    assert(i && kill);
+    i->kill = kill;
+    i->kill_userdata = userdata;
+}
+
+
+void input_stream_kill(struct input_stream*i) {
+    assert(i);
+
+    if (i->kill)
+        i->kill(i, i->kill_userdata);
+}
+
+void input_stream_set_notify_callback(struct input_stream *i, void (*notify)(struct input_stream*i, void *userdata), void *userdata) {
+    assert(i && notify);
+
+    i->notify = notify;
+    i->notify_userdata = userdata;
+}
+
+void input_stream_notify(struct input_stream *i) {
+    assert(i);
+    if (i->notify)
+        i->notify(i, i->notify_userdata);
+}