VAR_HSUB           54 libavfilter/vf_aspect.c     VAR_HSUB,
VAR_HSUB           53 libavfilter/vf_boxblur.c     VAR_HSUB,
VAR_HSUB           66 libavfilter/vf_crop.c     VAR_HSUB,
VAR_HSUB           58 libavfilter/vf_drawbox.c     VAR_HSUB, VAR_VSUB,
VAR_HSUB          112 libavfilter/vf_drawtext.c     VAR_HSUB, VAR_VSUB,
VAR_HSUB           63 libavfilter/vf_overlay.c     VAR_HSUB,
VAR_HSUB           69 libavfilter/vf_pad.c     VAR_HSUB,
VAR_HSUB           57 libavfilter/vf_rotate.c     VAR_HSUB, VAR_VSUB,
VAR_HSUB           67 libavfilter/vf_scale.c     VAR_HSUB,
VAR_HSUB           71 libavfilter/vf_zoompan.c     VAR_HSUB,