celt_pitch_xcorr 634 libavfilter/af_arnndn.c celt_pitch_xcorr(xptr, xptr, ac, fastN, lag+1); celt_pitch_xcorr 956 libavfilter/af_arnndn.c celt_pitch_xcorr(x_lp4, y_lp4, xcorr, len>>2, max_pitch>>2);