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revision 1.2, Thu Mar 28 20:57:25 2002 UTC revision 1.13, Sat Jul 10 17:49:31 2004 UTC
# Line 1  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - MB coding header  -
5     *
6     *  Copyright (C) 2002 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 _MB_CODING_H_  #ifndef _MB_CODING_H_
27  #define _MB_CODING_H_  #define _MB_CODING_H_
28    
29  #include "../portab.h"  #include "../portab.h"
30  #include "../global.h"  #include "../global.h"
31    #include "vlc_codes.h"
32    #include "bitstream.h"
33    
34    void init_vlc_tables(void);
35    
36    int check_resync_marker(Bitstream * bs, int addbits);
37    
38  void create_vlc_tables(void);  void bs_put_spritetrajectory(Bitstream * bs, const int val);
39  void destroy_vlc_tables(void);  int bs_get_spritetrajectory(Bitstream * bs);
40    
41  int get_mcbpc_intra(Bitstream * bs);  int get_mcbpc_intra(Bitstream * bs);
42  int get_mcbpc_inter(Bitstream * bs);  int get_mcbpc_inter(Bitstream * bs);
43  int get_cbpy(Bitstream * bs, int intra);  int get_cbpy(Bitstream * bs,
44  int get_mv(Bitstream * bs, int fcode);                           int intra);
45    int get_mv(Bitstream * bs,
46                       int fcode);
47    
48  int get_dc_dif(Bitstream * bs, uint32_t dc_size);  int get_dc_dif(Bitstream * bs,
49                               uint32_t dc_size);
50  int get_dc_size_lum(Bitstream * bs);  int get_dc_size_lum(Bitstream * bs);
51  int get_dc_size_chrom(Bitstream * bs);  int get_dc_size_chrom(Bitstream * bs);
52    
53  int get_coeff(Bitstream * bs, int *run, int *last, int intra, int short_video_header);  void get_intra_block(Bitstream * bs,
54                                             int16_t * block,
55                                             int direction,
56                                             int coeff);
57    void get_inter_block_h263(
58                    Bitstream * bs,
59                    int16_t * block,
60                    int direction,
61                    const int quant,
62                    const uint16_t *matrix);
63    
64    void get_inter_block_mpeg(
65                    Bitstream * bs,
66                    int16_t * block,
67                    int direction,
68                    const int quant,
69                    const uint16_t *matrix);
70    
71    
72    void MBCodingBVOP(const FRAMEINFO * const frame,
73                                      const MACROBLOCK * mb,
74                                      const int16_t qcoeff[6 * 64],
75                                      const int32_t fcode,
76                                      const int32_t bcode,
77                                      Bitstream * bs,
78                                      Statistics * pStat);
79    
80    
81    static __inline void
82    MBSkip(Bitstream * bs)
83    {
84            BitstreamPutBit(bs, 1); /* not coded */
85    }
86    
87  void get_intra_block(Bitstream * bs, int16_t * block, int direction, int coeff);  int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag);
88  void get_inter_block(Bitstream * bs, int16_t * block);  int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag);
89    
90  #endif /* _MB_CODING_H_ */  #endif /* _MB_CODING_H_ */

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