av_log2            28 libavcodec/cabac_tablegen.c av_const int av_log2(unsigned v) { int r = 0; while (v >>= 1) r++; return r; }
av_log2            22 libavutil/intmath.c #undef av_log2
av_log2            26 libavutil/intmath.c int av_log2(unsigned v)
av_log2           105 libavutil/intmath.h #define av_log2       ff_log2