Handle _push() return values.

Original commit message from CVS:
* ext/faad/gstfaad.c: (gst_faad_event), (gst_faad_chain):
* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_header):
Handle _push() return values.

ChangeLog

+2005-08-16  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
+
+	* ext/faad/gstfaad.c: (gst_faad_event), (gst_faad_chain):
+	* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_header):
+	  Handle _push() return values.
+
 2005-08-15  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
 	* ext/faad/gstfaad.c: (gst_faad_event):

common @ 8ff526a3

-Subproject commit fae12c87727e1a701975d0e72078e844c25f499c
+Subproject commit 8ff526a316f9b576e727b8e32cba0a53cdec07a6

gst/qtdemux/qtdemux.c

@@ -507,6 +507,7 @@ gst_qtdemux_loop_header (GstPad * pad)
   int offset;
   guint64 cur_offset;
   int size;
+  GstFlowReturn ret;
 
   /* FIXME _tell gets the offset wrong */
   //cur_offset = gst_bytestream_tell(qtdemux->bs);
@@ -683,7 +684,9 @@ gst_qtdemux_loop_header (GstPad * pad)
         GST_DEBUG ("Pushing buf with time=%" GST_TIME_FORMAT,
             GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
         gst_buffer_set_caps (buf, stream->caps);
-        gst_pad_push (stream->pad, buf);
+        ret = gst_pad_push (stream->pad, buf);
+        if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
+          goto pause;
 
         GST_INFO ("pushing buffer on %" GST_PTR_FORMAT, stream->pad);
       }