DESI 145 libavfilter/af_afade.c case DESI: DESI 264 libavfilter/af_afade.c { "desi", "double-exponential sigmoid", 0, AV_OPT_TYPE_CONST, {.i64 = DESI }, 0, 0, FLAGS, "curve" }, DESI 385 libavfilter/af_afade.c { "desi", "double-exponential sigmoid", 0, AV_OPT_TYPE_CONST, {.i64 = DESI }, 0, 0, FLAGS, "curve" },