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revision 1.5, Wed May 1 13:00:02 2002 UTC revision 1.12, Mon Mar 22 22:36:23 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"  #include "bitstream.h"
33    
34  void init_vlc_tables(void);  void init_vlc_tables(void);
35    
36    int check_resync_marker(Bitstream * bs, int addbits);
37    
38    void bs_put_spritetrajectory(Bitstream * bs, const int val);
39    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(Bitstream * bs,
58                                             int16_t * block,
59                                             int direction);
60    
 void get_intra_block(Bitstream * bs, int16_t * block, int direction, int coeff);  
 void get_inter_block(Bitstream * bs, int16_t * block);  
61    
62  void MBCodingBVOP(const MACROBLOCK * mb,  void MBCodingBVOP(const FRAMEINFO * const frame,
63                                      const MACROBLOCK * mb,
64                                    const int16_t qcoeff[6*64],                                    const int16_t qcoeff[6*64],
65                                    const int32_t fcode,                                    const int32_t fcode,
66                                    const int32_t bcode,                                    const int32_t bcode,
67                                    Bitstream * bs,                                    Bitstream * bs,
68                                    Statistics * pStat);                                    Statistics * pStat);
69    
70    
71    static __inline void
72    MBSkip(Bitstream * bs)
73    {
74            BitstreamPutBit(bs, 1); /* not coded */
75    }
76    
77    int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag);
78    int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag);
79    
80  #endif /* _MB_CODING_H_ */  #endif /* _MB_CODING_H_ */

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