Also improves the encoding speed of yuvdenoise.
Here is the original patch:
------------------
--- denoise.c.dist Thu Apr 11 14:37:07 2002
+++ denoise.c Sun Jul 7 15:56:58 2002
@@ -558,6 +558,9 @@
register int m;
register int c;
+ if (denoiser.sharpen == 0)
+ return;
+
dst[Yy]=denoiser.frame.avg2[Yy]+32*W;
/* Y */
-------------------
