fail_if (sinkpad == NULL, "Could not get sink pad from %s",
GST_ELEMENT_NAME (element));
/* references are owned by: 1) us, 2) matroskamux, 3) collect pads */
fail_if (sinkpad == NULL, "Could not get sink pad from %s",
GST_ELEMENT_NAME (element));
/* references are owned by: 1) us, 2) matroskamux, 3) collect pads */