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); |
int check_resync_marker(Bitstream * bs, int addbits); |
37 |
|
|
38 |
void bs_put_spritetrajectory(Bitstream * bs, int val); |
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); |
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 |
|
|
|
static int get_coeff(Bitstream * bs, |
|
|
int *run, |
|
|
int *last, |
|
|
int intra, |
|
|
int short_video_header); |
|
|
|
|
53 |
void get_intra_block(Bitstream * bs, |
void get_intra_block(Bitstream * bs, |
54 |
int16_t * block, |
int16_t * block, |
55 |
int direction, |
int direction, |
71 |
static __inline void |
static __inline void |
72 |
MBSkip(Bitstream * bs) |
MBSkip(Bitstream * bs) |
73 |
{ |
{ |
74 |
BitstreamPutBit(bs, 1); // not coded |
BitstreamPutBit(bs, 1); /* not coded */ |
75 |
} |
} |
76 |
|
|
77 |
|
|
78 |
|
#ifdef BIGLUT |
79 |
|
extern VLC *intra_table; |
80 |
|
int CodeCoeff_CalcBits(const int16_t qcoeff[64], VLC * table, const uint16_t * zigzag, uint16_t intra); |
81 |
|
#else |
82 |
|
int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
83 |
|
#endif |
84 |
|
|
85 |
#endif /* _MB_CODING_H_ */ |
#endif /* _MB_CODING_H_ */ |