AV_GCC_VERSION_AT_LEAST   39 libavutil/common.h #    define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
AV_GCC_VERSION_AT_LEAST   41 libavutil/common.h #    define AV_GCC_VERSION_AT_LEAST(x,y) 0