AV_GCC_VERSION_AT_MOST   31 libavutil/attributes.h #    define AV_GCC_VERSION_AT_MOST(x,y)  (__GNUC__ < (x) || __GNUC__ == (x) && __GNUC_MINOR__ <= (y))
AV_GCC_VERSION_AT_MOST   34 libavutil/attributes.h #    define AV_GCC_VERSION_AT_MOST(x,y)  0