gst/qtdemux/qtdemux.c: If the buffer was entirely clipped ... don't try sending it :)

Original commit message from CVS:
* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_state_movie):
If the buffer was entirely clipped ... don't try sending it :)

ChangeLog

+2007-07-30  Edward Hervey  <bilboed@bilboed.com>
+
+	* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_state_movie):
+	If the buffer was entirely clipped ... don't try sending it :)
+
 2007-07-27  Wim Taymans  <wim.taymans@gmail.com>
 
 	* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_activate_streams),

gst/qtdemux/qtdemux.c

@@ -1470,6 +1470,9 @@ gst_qtdemux_loop_state_movie (GstQTDemux * qtdemux)
     if (stream->need_clip)
       buf = gst_qtdemux_clip_buffer (qtdemux, stream, buf);
 
+    if (buf == NULL)
+      goto next;
+
     if (stream->discont) {
       GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
       stream->discont = FALSE;