ctx.points = drop_dup_frames (ctx.points, FPF);
rescale_points (ctx.points, get_scales (FPF));
ctx.picture = gdk_pixbuf_new_from_file (filename, NULL);
ctx.points = drop_dup_frames (ctx.points, FPF);
rescale_points (ctx.points, get_scales (FPF));
ctx.picture = gdk_pixbuf_new_from_file (filename, NULL);