REPLACE            83 libavfilter/avf_ahistogram.c     { "slide", "set sonogram sliding", OFFSET(slide), AV_OPT_TYPE_INT, {.i64=REPLACE}, 0, NB_SLIDES-1, FLAGS, "slide" },
REPLACE            84 libavfilter/avf_ahistogram.c         { "replace", "replace old rows with new", 0, AV_OPT_TYPE_CONST, {.i64=REPLACE},    0, 0, FLAGS, "slide" },
REPLACE           110 libavfilter/avf_showspectrum.c         { "replace", "replace old columns with new", 0, AV_OPT_TYPE_CONST, {.i64=REPLACE}, 0, 0, FLAGS, "slide" },
REPLACE            82 libavfilter/vaf_spectrumsynth.c         { "replace",   "consume old columns with new",   0, AV_OPT_TYPE_CONST, {.i64=REPLACE},   0, 0, V, "slide" },
REPLACE           443 libavfilter/vaf_spectrumsynth.c     case REPLACE: