xcorr_coeff      1402 libavcodec/ilbcdec.c             lag = xcorr_coeff(&s->decresidual[s->block_samples-60], &s->decresidual[s->block_samples-80],
xcorr_coeff      1405 libavcodec/ilbcdec.c             lag = xcorr_coeff(&s->decresidual[s->block_samples-ENH_BLOCKL],