From 6e019795bff589ef0a867772975e34da78fffefb Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 14 Sep 2004 20:53:25 +0000
Subject: add refernce counting for sinks, sources, sink-inputs and
 source-outputs

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@200 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 polyp/source-output.c | 56 ++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 46 insertions(+), 10 deletions(-)

(limited to 'polyp/source-output.c')

diff --git a/polyp/source-output.c b/polyp/source-output.c
index 55448b5c..3abf9c18 100644
--- a/polyp/source-output.c
+++ b/polyp/source-output.c
@@ -49,6 +49,8 @@ struct pa_source_output* pa_source_output_new(struct pa_source *s, const char *n
             return NULL;
     
     o = pa_xmalloc(sizeof(struct pa_source_output));
+    o->ref = 1;
+    o->state = PA_SOURCE_OUTPUT_RUNNING;
     o->name = pa_xstrdup(name);
     o->client = NULL;
     o->owner = NULL;
@@ -71,27 +73,55 @@ struct pa_source_output* pa_source_output_new(struct pa_source *s, const char *n
     return o;    
 }
 
-void pa_source_output_free(struct pa_source_output* o) {
-    assert(o);
-
-    assert(o->source && o->source->core);
+void pa_source_output_disconnect(struct pa_source_output*o) {
+    assert(o && o->state == PA_SOURCE_OUTPUT_RUNNING && o->source && o->source->core);
+    
     pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
     pa_idxset_remove_by_data(o->source->outputs, o, NULL);
 
+    pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
+    o->source = NULL;
+
+    o->push = NULL;
+    o->kill = NULL;
+    
+    
+    o->state = PA_SOURCE_OUTPUT_DISCONNECTED;
+}
+
+static void source_output_free(struct pa_source_output* o) {
+    assert(o);
+
+    if (o->state != PA_SOURCE_OUTPUT_DISCONNECTED)
+        pa_source_output_disconnect(o);
+
     if (o->resampler)
         pa_resampler_free(o->resampler);
 
-    pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
-    
     pa_xfree(o->name);
     pa_xfree(o);
 }
 
-void pa_source_output_kill(struct pa_source_output*i) {
-    assert(i);
 
-    if (i->kill)
-        i->kill(i);
+void pa_source_output_unref(struct pa_source_output* o) {
+    assert(o && o->ref >= 1);
+
+    if (!(--o->ref))
+        source_output_free(o);
+}
+
+struct pa_source_output* pa_source_output_ref(struct pa_source_output *o) {
+    assert(o && o->ref >= 1);
+    o->ref++;
+    return o;
+}
+
+
+void pa_source_output_kill(struct pa_source_output*o) {
+    assert(o && o->ref >= 1);
+
+    if (o->kill)
+        o->kill(o);
 }
 
 void pa_source_output_push(struct pa_source_output *o, const struct pa_memchunk *chunk) {
@@ -111,3 +141,9 @@ void pa_source_output_push(struct pa_source_output *o, const struct pa_memchunk
     o->push(o, &rchunk);
     pa_memblock_unref(rchunk.memblock);
 }
+
+void pa_source_output_set_name(struct pa_source_output *o, const char *name) {
+    assert(o && o->ref >= 1);
+    pa_xfree(o->name);
+    o->name = pa_xstrdup(name);
+}
-- 
cgit