libavcodec/alac.c:467: error: Uninitialized Value
  The value read from prediction_type[_] was never initialized.

libavcodec/alac.c:467:17: 
465.                                                prediction_quantitization[ch]);
466.             } else {
467.                 av_log(avctx, AV_LOG_ERROR, "FIXME: unhandled prediction type: %i\n", prediction_type[ch]);
                     ^
468.                 /* I think the only other prediction type (or perhaps this is
469.                  * just a boolean?) runs adaptive fir twice.. like:
