shithub: opus

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Fixes a bug introduced by the previous commit

celt_ilog2() could be called with 0 which is undefined.

--- a/celt/pitch.c

+++ b/celt/pitch.c

@@ -106,7 +106,7 @@

    opus_val16 lpc[4], mem[4]={0,0,0,0};

 #ifdef FIXED_POINT

    int shift;

-   opus_val32 maxabs = celt_maxabs32(x[0], len);

+   opus_val32 maxabs = MAX32(1, celt_maxabs32(x[0], len));

    if (C==2)

       maxabs = MAX32(maxabs, celt_maxabs32(x[1], len));

    shift = IMAX(0,celt_ilog2(maxabs)-11);