gst/playback/gststreaminfo.c: On mute of an unlinked stream, check for pad availability so we don't crash on unlinked...

Original commit message from CVS:
* gst/playback/gststreaminfo.c: (stream_info_mute_pad):
On mute of an unlinked stream, check for pad availability so
we don't crash on unlinked pad.

2 files changed, 9 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index a3ec0f4ad..33720086f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2004-11-29  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
 
+	* gst/playback/gststreaminfo.c: (stream_info_mute_pad):
+	  On mute of an unlinked stream, check for pad availability so
+	  we don't crash on unlinked pad.
+
+2004-11-29  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
+
 	* gst/avi/gstavidemux.c: (gst_avi_demux_stream_index),
 	(gst_avi_demux_massage_index):
 	  Fix quite humiliating bug in omitting 0-sized index chunks but
diff --git a/gst/playback/gststreaminfo.c b/gst/playback/gststreaminfo.c
index 62cdfcccc..80362b1d0 100644
--- a/gst/playback/gststreaminfo.c
+++ b/gst/playback/gststreaminfo.c
@@ -212,18 +212,18 @@ stream_info_mute_pad (GstStreamInfo * stream_info, GstPad * pad, gboolean mute)
       int_links; int_links = g_list_next (int_links)) {
     GstPad *pad = GST_PAD (int_links->data);
     GstPad *peer = gst_pad_get_peer (pad);
-    GstElement *peer_elem = gst_pad_get_parent (peer);
+    GstElement *peer_elem = peer ? gst_pad_get_parent (peer) : NULL;
 
     GST_DEBUG_OBJECT (stream_info, "%s internal pad %s:%s",
         debug_str, GST_DEBUG_PAD_NAME (pad));
 
     gst_pad_set_active (pad, activate);
 
-    if (peer_elem->numsrcpads == 1) {
+    if (peer_elem && peer_elem->numsrcpads == 1) {
       GST_DEBUG_OBJECT (stream_info, "recursing element %s on pad %s:%s",
           gst_element_get_name (peer_elem), GST_DEBUG_PAD_NAME (peer));
       stream_info_mute_pad (stream_info, peer, mute);
-    } else {
+    } else if (peer) {
       GST_DEBUG_OBJECT (stream_info, "%s final pad %s:%s",
           debug_str, GST_DEBUG_PAD_NAME (peer));
       gst_pad_set_active (peer, activate);