av_builtin_constant_p  261 libavcodec/motion_est.c     if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size)
av_builtin_constant_p  262 libavcodec/motion_est.c        && av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
av_builtin_constant_p  265 libavcodec/motion_est.c     }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby)
av_builtin_constant_p   57 libavutil/common.h #define FF_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \