1 /*****************************************************************************
2 *
3 * XVID MPEG-4 VIDEO CODEC
4 * - Xvid plugin: outputs PSNR to stdout (should disapear soon) -
5 *
6 * Copyright(C) 2003 Peter Ross <pross@xvid.org>
7 *
8 * This program is free software ; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation ; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY ; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program ; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * $Id: plugin_psnr.c 1985 2011-05-18 09:02:35Z Isibaar $
23 *
24 ****************************************************************************/
25
26 #include <stdio.h>
27
28 #include "../xvid.h"
29 #include "../image/image.h"
30
31
xvid_plugin_psnr(void * handle,int opt,void * param1,void * param2)32 int xvid_plugin_psnr(void * handle, int opt, void * param1, void * param2)
33 {
34 switch(opt) {
35 case XVID_PLG_INFO:
36 {
37 xvid_plg_info_t * info = (xvid_plg_info_t*)param1;
38 info->flags = XVID_REQPSNR;
39 return(0);
40 }
41 case XVID_PLG_CREATE:
42 *((void**)param2) = NULL; /* We don't have any private data to bind here */
43 case XVID_PLG_DESTROY:
44 case XVID_PLG_BEFORE:
45 case XVID_PLG_FRAME:
46 return(0);
47 case XVID_PLG_AFTER:
48 {
49 xvid_plg_data_t * data = (xvid_plg_data_t*)param1;
50
51 printf("y_psnr=%2.2f u_psnr=%2.2f v_psnr=%2.2f\n",
52 sse_to_PSNR(data->sse_y, data->width*data->height),
53 sse_to_PSNR(data->sse_u, data->width*data->height/4),
54 sse_to_PSNR(data->sse_v, data->width*data->height/4));
55
56 return(0);
57 }
58 }
59
60 return XVID_ERR_FAIL;
61 }
62