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revision 1.1, Sat May 3 23:26:49 2003 UTC revision 1.1.4.4, Sun Dec 21 19:42:11 2003 UTC
# Line 0  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Postprocessing header  -
5     *
6     *  Copyright(C) 2003 Michael Militzer <isibaar@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     * $Id$
23     *
24     ****************************************************************************/
25    
26    #ifndef _POSTPROCESSING_H_
27    #define _POSTPROCESSING_H_
28    
29    #include <stdlib.h>
30    #include "../portab.h"
31    
32    /* Filtering thresholds */
33    
34    #define THR1 2
35    #define THR2 6
36    
37    #define MAX_NOISE 4096
38    #define MAX_SHIFT 1024
39    #define MAX_RES (MAX_NOISE - MAX_SHIFT)
40    
41    typedef struct {
42            int8_t xvid_thresh_tbl[510];
43            int8_t xvid_abs_tbl[510];
44            int8_t xvid_noise1[MAX_NOISE * sizeof(int8_t)];
45            int8_t xvid_noise2[MAX_NOISE * sizeof(int8_t)];
46            int8_t *xvid_prev_shift[MAX_RES][6];
47            int prev_quant;
48    } XVID_POSTPROC;
49    
50    void
51    image_postproc(XVID_POSTPROC *tbls, IMAGE * img, int edged_width,
52                                    const MACROBLOCK * mbs, int mb_width, int mb_height, int mb_stride,
53                                    int flags, int frame_num, int bvop);
54    
55    void deblock8x8_h(XVID_POSTPROC *tbls, uint8_t *img, int stride, int quant);
56    void deblock8x8_v(XVID_POSTPROC *tbls, uint8_t *img, int stride, int quant);
57    
58    void init_postproc(XVID_POSTPROC *tbls);
59    void init_noise(XVID_POSTPROC *tbls);
60    void init_deblock(XVID_POSTPROC *tbls);
61    
62    void add_noise(XVID_POSTPROC * tbls, uint8_t *dst, uint8_t *src, int stride, int width, int height, int shiftptr, int quant);
63    
64    #endif

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