case FORMAT_WAV:
gst_bin_add_many(GST_BIN(pipeline), src, parse, sink, NULL);
if (!gst_element_link_many (src, parse, sink, NULL))
case FORMAT_WAV:
gst_bin_add_many(GST_BIN(pipeline), src, parse, sink, NULL);
if (!gst_element_link_many (src, parse, sink, NULL))