WFUNC_HANN         86 libavfilter/avf_showspectrum.c     { "win_func", "set window function", OFFSET(win_func), AV_OPT_TYPE_INT, {.i64 = WFUNC_HANN}, 0, NB_WFUNC-1, FLAGS, "win_func" },
WFUNC_HANN         87 libavfilter/avf_showspectrum.c         { "hann",     "Hann window",     0, AV_OPT_TYPE_CONST, {.i64 = WFUNC_HANN},     0, 0, FLAGS, "win_func" },
WFUNC_HANN        221 libavfilter/avf_showspectrum.c         case WFUNC_HANN: