HAS_FF_AROUND     291 libavfilter/vf_fieldmatch.c                 if ((cmkpV[x] == 0xff && HAS_FF_AROUND(cmkpV, cmk_linesizeUV)) ||
HAS_FF_AROUND     292 libavfilter/vf_fieldmatch.c                     (cmkpU[x] == 0xff && HAS_FF_AROUND(cmkpU, cmk_linesizeUV))) {