ff_log2_16bit      33 libavutil/intmath.c     return ff_log2_16bit(v);
ff_log2_16bit      45 libavutil/intmath.h #   ifndef ff_log2_16bit
ff_log2_16bit      52 libavutil/intmath.h #   ifndef ff_log2_16bit
ff_log2_16bit      90 libavutil/intmath.h #ifndef ff_log2_16bit
ff_log2_16bit     106 libavutil/intmath.h #define av_log2_16bit ff_log2_16bit