Changeset 3622 for pjproject/branches/projects/2.0-dev/pjmedia/src/pjmedia/event.c

Timestamp:

Jul 12, 2011 9:08:56 AM (13 years ago)

Author:

bennylp

Message:

More on re #1284:

• Replaced bit_info mechanism to report format change in codec with event
• Updated vid_port, vid_codec_test, etc.
• Add event publisher to vid_codec
• Add event publisher to pjmedia_port
• Add event publisher to vid_stream

File:

• pjproject/branches/projects/2.0-dev/pjmedia/src/pjmedia/event.c (modified) (2 diffs)

pjproject/branches/projects/2.0-dev/pjmedia/src/pjmedia/event.c

@@ -58 +58 @@
 }
 
+PJ_DEF(pj_bool_t)
+pjmedia_event_publisher_has_sub(pjmedia_event_publisher *epub)
+{
+    PJ_ASSERT_RETURN(epub, PJ_FALSE);
+    return epub->subscription_list.next &&
+            (!pj_list_empty(&epub->subscription_list));
+}
+
 PJ_DEF(pj_status_t) pjmedia_event_subscribe( pjmedia_event_publisher *epub,
                                              pjmedia_event_subscription *esub)
@@ -88 +96 @@
 
     esub = epub->subscription_list.next;
+    if (!esub)
+        return err;
+
     while (esub != &epub->subscription_list) {
         pjmedia_event_subscription *next;