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Annotation of /xvidcore/src/plugins/plugin_psnr.c

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Revision 1.3 - (view) (download)

1 : edgomez 1.2 /*****************************************************************************
2 :     *
3 :     * XVID MPEG-4 VIDEO CODEC
4 : Isibaar 1.3 * - Xvid plugin: outputs PSNR to stdout (should disapear soon) -
5 : edgomez 1.2 *
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 : Isibaar 1.3 * $Id: plugin_psnr.c,v 1.2 2004/03/22 22:36:24 edgomez Exp $
23 : edgomez 1.2 *
24 :     ****************************************************************************/
25 :    
26 :     #include <stdio.h>
27 :    
28 :     #include "../xvid.h"
29 :     #include "../image/image.h"
30 :    
31 :    
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 :     }

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