libavcodec/alac.c:472: error: Uninitialized Value
  The value read from prediction_quantitization[_] was never initialized.

libavcodec/alac.c:472:13: 
470.                        prediction_type[ch]);
471.             }
472.             predictor_decompress_fir_adapt(alac->predicterror_buffer[ch],
                 ^
473.                                            alac->outputsamples_buffer[ch],
474.                                            outputsamples, readsamplesize,
