--- image.h	2002/12/14 09:39:42	1.8.2.8
+++ image.h	2003/02/15 15:22:18	1.11
@@ -28,15 +28,18 @@
 
 void image_swap(IMAGE * image1,
 				IMAGE * image2);
+				
 void image_copy(IMAGE * image1,
 				IMAGE * image2,
 				uint32_t edged_width,
 				uint32_t height);
+				
 void image_setedges(IMAGE * image,
 					uint32_t edged_width,
 					uint32_t edged_height,
 					uint32_t width,
 					uint32_t height);
+					
 void image_interpolate(const IMAGE * refn,
 					   IMAGE * refh,
 					   IMAGE * refv,
@@ -53,6 +56,14 @@
 				 uint16_t height);
 
 
+float sse_to_PSNR(long sse, int pixels);
+
+long plane_sse(uint8_t * orig,
+		   uint8_t * recon,
+		   uint16_t stride,
+		   uint16_t width,
+		   uint16_t height);
+
 void
 image_chroma_optimize(IMAGE * img, int width, int height, int edged_width);