IQSIN 103 libavfilter/af_afade.c case IQSIN: IQSIN 261 libavfilter/af_afade.c { "iqsin", "inverted quarter of sine wave", 0, AV_OPT_TYPE_CONST, {.i64 = IQSIN}, 0, 0, FLAGS, "curve" }, IQSIN 382 libavfilter/af_afade.c { "iqsin", "inverted quarter of sine wave", 0, AV_OPT_TYPE_CONST, {.i64 = IQSIN}, 0, 0, FLAGS, "curve" },