SQU 136 libavfilter/af_afade.c case SQU: SQU 257 libavfilter/af_afade.c { "squ", "square root", 0, AV_OPT_TYPE_CONST, {.i64 = SQU }, 0, 0, FLAGS, "curve" }, SQU 378 libavfilter/af_afade.c { "squ", "square root", 0, AV_OPT_TYPE_CONST, {.i64 = SQU }, 0, 0, FLAGS, "curve" },