--- plugin_psnr.c	2003/03/15 14:38:34	1.1
+++ plugin_psnr.c	2003/03/15 14:38:34	1.1.2.1
@@ -0,0 +1,60 @@
+#include "../xvid.h"
+#include "../image/image.h"
+
+
+int xvid_plugin_psnr(void * handle, int opt, void * param1, void * param2)
+{
+    switch(opt)
+    {
+    case XVID_PLG_INFO :
+        {
+        xvid_plg_info_t * info = (xvid_plg_info_t*)param1;
+        info->flags = XVID_REQORIGINAL;
+        return 0;
+        }
+
+    case XVID_PLG_CREATE :
+    case XVID_PLG_DESTROY :
+    case XVID_PLG_BEFORE :
+       return 0;
+
+    case XVID_PLG_AFTER :
+       {
+       xvid_plg_data_t * data = (xvid_plg_data_t*)param1;
+          
+       long sse_y = plane_sse(data->original.plane[0], data->current.plane[0], 
+                data->current.stride[0], data->width, data->height);
+
+       long sse_u = plane_sse(data->original.plane[1], data->current.plane[1], 
+                data->current.stride[1], data->width/2, data->height/2);
+       
+       long sse_v = plane_sse(data->original.plane[2], data->current.plane[2], 
+                data->current.stride[2], data->width/2, data->height/2);
+
+       printf("y_psnr=%2.2f u_psnr=%2.2f v_psnr=%2.2f\n", 
+           sse_to_PSNR(sse_y, data->width*data->height),
+           sse_to_PSNR(sse_u, data->width*data->height/4),
+           sse_to_PSNR(sse_v, data->width*data->height/4));
+
+       {
+           IMAGE img;
+           char tmp[100];
+           img.y = data->original.plane[0];
+           img.u = data->original.plane[1];
+           img.v = data->original.plane[2];
+           sprintf(tmp, "ori-%03i.pgm", data->frame_num);
+           image_dump_yuvpgm(&img, data->original.stride[0], data->width, data->height, tmp);
+
+           img.y = data->current.plane[0];
+           img.u = data->current.plane[1];
+           img.v = data->current.plane[2];
+           sprintf(tmp, "enc-%03i.pgm", data->frame_num);
+           image_dump_yuvpgm(&img, data->reference.stride[0], data->width, data->height, tmp);
+       }
+
+       return 0;
+       }
+    }
+
+    return XVID_ERR_FAIL;
+}