@@ -180,10 +180,8 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)

     draw->format    = format;

     draw->nb_planes = nb_planes;

     memcpy(draw->pixelstep, pixelstep, sizeof(draw->pixelstep));

-    if (nb_planes >= 3 && !(desc->flags & AV_PIX_FMT_FLAG_RGB)) {

-        draw->hsub[1] = draw->hsub[2] = draw->hsub_max = desc->log2_chroma_w;

-        draw->vsub[1] = draw->vsub[2] = draw->vsub_max = desc->log2_chroma_h;

-    }

+    draw->hsub[1] = draw->hsub[2] = draw->hsub_max = desc->log2_chroma_w;

+    draw->vsub[1] = draw->vsub[2] = draw->vsub_max = desc->log2_chroma_h;

     for (i = 0; i < ((desc->nb_components - 1) | 1); i++)

         draw->comp_mask[desc->comp[i].plane] |=

             1 << (desc->comp[i].offset_plus1 - 1);