static int config_input(AVFilterLink *link)
{
FlipContext *flip = link->dst->priv;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
- flip->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+ flip->vsub = desc->log2_chroma_h;
return 0;
}