VAR_OVERLAY_H     294 libavfilter/vf_overlay.c     s->var_values[VAR_OVERLAY_H] = s->var_values[VAR_OH] = ctx->inputs[OVERLAY]->h;
VAR_OVERLAY_H     953 libavfilter/vf_overlay.c         s->var_values[VAR_OVERLAY_H] = s->var_values[VAR_OH] = second->height;
VAR_OVERLAY_H     128 libavfilter/vf_overlay_qsv.c     var_values[VAR_OVERLAY_H] =
VAR_OVERLAY_H     147 libavfilter/vf_overlay_qsv.c     var_values[VAR_OVERLAY_H] =