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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - Vector Length Coding tables - |
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* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
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* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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* $Id$ |
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* |
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****************************************************************************/ |
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#ifndef _VLC_CODES_H_ |
#ifndef _VLC_CODES_H_ |
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#define _VLC_CODES_H_ |
#define _VLC_CODES_H_ |
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|
63 |
#define VLC_ERROR (-1) |
#define VLC_ERROR (-1) |
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#define ESCAPE 7167 |
#define ESCAPE 7167 |
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/***************************************************************************** |
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* The Vector Length Coding structure |
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****************************************************************************/ |
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|
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typedef struct |
typedef struct |
71 |
{ |
{ |
72 |
uint32_t code; |
uint32_t code; |
77 |
static VLC *DCT3D[2]; |
static VLC *DCT3D[2]; |
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|
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|
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/****************************************************************** |
/***************************************************************************** |
81 |
* common tables between encoder/decoder * |
* common tables between encoder/decoder |
82 |
******************************************************************/ |
****************************************************************************/ |
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|
84 |
/* constants taken from momusys/vm_common/inlcude/max_level.h */ |
/* constants taken from momusys/vm_common/inlcude/max_level.h */ |
85 |
static char max_level[4][64] = { |
static char const max_level[4][64] = { |
86 |
{ // intra, last = 0 |
/* intra, last = 0 */ |
87 |
|
{ |
88 |
27, 10, 5, 4, 3, 3, 3, 3, |
27, 10, 5, 4, 3, 3, 3, 3, |
89 |
2, 2, 1, 1, 1, 1, 1, 0, |
2, 2, 1, 1, 1, 1, 1, 0, |
90 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
92 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
93 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
94 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
95 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
96 |
}, |
}, |
97 |
|
|
98 |
{ // intra, last = 1 |
/* intra, last = 1 */ |
99 |
|
{ |
100 |
8, 3, 2, 2, 2, 2, 2, 1, |
8, 3, 2, 2, 2, 2, 2, 1, |
101 |
1, 1, 1, 1, 1, 1, 1, 1, |
1, 1, 1, 1, 1, 1, 1, 1, |
102 |
1, 1, 1, 1, 1, 0, 0, 0, |
1, 1, 1, 1, 1, 0, 0, 0, |
104 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
105 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
106 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
107 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
108 |
}, |
}, |
109 |
|
|
110 |
{ // inter, last = 0 |
/* inter, last = 0 */ |
111 |
|
{ |
112 |
12, 6, 4, 3, 3, 3, 3, 2, |
12, 6, 4, 3, 3, 3, 3, 2, |
113 |
2, 2, 2, 1, 1, 1, 1, 1, |
2, 2, 2, 1, 1, 1, 1, 1, |
114 |
1, 1, 1, 1, 1, 1, 1, 1, |
1, 1, 1, 1, 1, 1, 1, 1, |
116 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
117 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
118 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
119 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
120 |
}, |
}, |
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|
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{ // inter, last = 1 |
/* inter, last = 1 */ |
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{ |
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3, 2, 1, 1, 1, 1, 1, 1, |
3, 2, 1, 1, 1, 1, 1, 1, |
125 |
1, 1, 1, 1, 1, 1, 1, 1, |
1, 1, 1, 1, 1, 1, 1, 1, |
126 |
1, 1, 1, 1, 1, 1, 1, 1, |
1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, |
1, 1, 1, 1, 1, 1, 1, 1, |
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1, 0, 0, 0, 0, 0, 0, 0, |
1, 0, 0, 0, 0, 0, 0, 0, |
130 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
131 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
132 |
} |
} |
133 |
}; |
}; |
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|
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static char max_run[4][256] = { |
static char const max_run[4][256] = { |
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{ // intra, last = 0 |
/* intra, last = 0 */ |
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{ |
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0, 14, 9, 7, 3, 2, 1, 1, |
0, 14, 9, 7, 3, 2, 1, 1, |
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1, 1, 1, 0, 0, 0, 0, 0, |
1, 1, 1, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
170 |
}, |
}, |
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|
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{ // intra, last = 1 |
/* intra, last = 1 */ |
173 |
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{ |
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0, 20, 6, 1, 0, 0, 0, 0, |
0, 20, 6, 1, 0, 0, 0, 0, |
175 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
176 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
202 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
203 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
204 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
205 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
206 |
}, |
}, |
207 |
|
|
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{ // inter, last = 0 |
/* inter, last = 0 */ |
209 |
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{ |
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0, 26, 10, 6, 2, 1, 1, 0, |
0, 26, 10, 6, 2, 1, 1, 0, |
211 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
212 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
238 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
239 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
240 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
241 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
242 |
}, |
}, |
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|
|
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{ // inter, last = 1 |
/* inter, last = 1 */ |
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{ |
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0, 40, 1, 0, 0, 0, 0, 0, |
0, 40, 1, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
248 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
274 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
275 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
276 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0, |
277 |
0, 0, 0, 0, 0, 0, 0, 0, |
0, 0, 0, 0, 0, 0, 0, 0 |
278 |
} |
} |
279 |
}; |
}; |
280 |
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|
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|
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/* first part of coeffs for last = 0. Indexed by [run][level-1] */ |
/* first part of coeffs for last = 0. Indexed by [run][level-1] */ |
290 |
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|
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static VLC coeff_tab0[2][12] = { |
static VLC const coeff_tab0[2][12] = { |
292 |
/* |
/* run = 0 */ |
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run = 0 |
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*/ |
|
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{ |
{ |
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{0x02, 2}, {0x0f, 4}, {0x15, 6}, {0x17, 7}, |
{0x02, 2}, {0x0f, 4}, {0x15, 6}, {0x17, 7}, |
295 |
{0x1f, 8}, {0x25, 9}, {0x24, 9}, {0x21, 10}, |
{0x1f, 8}, {0x25, 9}, {0x24, 9}, {0x21, 10}, |
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{0x20, 10}, {0x07, 11}, {0x06, 11}, {0x20, 11} |
{0x20, 10}, {0x07, 11}, {0x06, 11}, {0x20, 11} |
297 |
}, |
}, |
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/* |
|
299 |
run = 1 |
/* run = 1 */ |
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*/ |
|
300 |
{ |
{ |
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{0x06, 3}, {0x14, 6}, {0x1e, 8}, {0x0f, 10}, |
{0x06, 3}, {0x14, 6}, {0x1e, 8}, {0x0f, 10}, |
302 |
{0x21, 11}, {0x50, 12}, {0x00, 0}, {0x00, 0}, |
{0x21, 11}, {0x50, 12}, {0x00, 0}, {0x00, 0}, |
306 |
|
|
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/* rest of coeffs for last = 0. indexing by [run-2][level-1] */ |
/* rest of coeffs for last = 0. indexing by [run-2][level-1] */ |
308 |
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|
309 |
static VLC coeff_tab1[25][4] = { |
static VLC const coeff_tab1[25][4] = { |
310 |
/* |
/* First row is run=2, then each row is run 2 + index */ |
311 |
run = 2 |
{{0x0e, 4}, {0x1d, 8}, {0x0e, 10}, {0x51, 12}}, |
312 |
*/ |
{{0x0d, 5}, {0x23, 9}, {0x0d, 10}, {0x00, 0}}, |
313 |
{ |
{{0x0c, 5}, {0x22, 9}, {0x52, 12}, {0x00, 0}}, |
314 |
{0x0e, 4}, {0x1d, 8}, {0x0e, 10}, {0x51, 12} |
{{0x0b, 5}, {0x0c, 10}, {0x53, 12}, {0x00, 0}}, |
315 |
}, |
{{0x13, 6}, {0x0b, 10}, {0x54, 12}, {0x00, 0}}, |
316 |
/* |
{{0x12, 6}, {0x0a, 10}, {0x00, 0}, {0x00, 0}}, |
317 |
run = 3 |
{{0x11, 6}, {0x09, 10}, {0x00, 0}, {0x00, 0}}, |
318 |
*/ |
{{0x10, 6}, {0x08, 10}, {0x00, 0}, {0x00, 0}}, |
319 |
{ |
{{0x16, 7}, {0x55, 12}, {0x00, 0}, {0x00, 0}}, |
320 |
{0x0d, 5}, {0x23, 9}, {0x0d, 10}, {0x00, 0} |
{{0x15, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
321 |
}, |
{{0x14, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
322 |
/* |
{{0x1c, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
323 |
run = 4-26 |
{{0x1b, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
324 |
*/ |
{{0x21, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
325 |
{ |
{{0x20, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
326 |
{0x0c, 5}, {0x22, 9}, {0x52, 12}, {0x00, 0} |
{{0x1f, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
327 |
}, |
{{0x1e, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
328 |
{ |
{{0x1d, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
329 |
{0x0b, 5}, {0x0c, 10}, {0x53, 12}, {0x00, 0} |
{{0x1c, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
330 |
}, |
{{0x1b, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
331 |
{ |
{{0x1a, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
332 |
{0x13, 6}, {0x0b, 10}, {0x54, 12}, {0x00, 0} |
{{0x22, 11}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
333 |
}, |
{{0x23, 11}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
334 |
{ |
{{0x56, 12}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
335 |
{0x12, 6}, {0x0a, 10}, {0x00, 0}, {0x00, 0} |
{{0x57, 12}, {0x00, 0}, {0x00, 0}, {0x00, 0}} |
336 |
}, |
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{ |
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{0x11, 6}, {0x09, 10}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x10, 6}, {0x08, 10}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x16, 7}, {0x55, 12}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x15, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x14, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1c, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1b, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x21, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x20, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1f, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1e, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1d, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1c, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1b, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x1a, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x22, 11}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x23, 11}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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|
{ |
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{0x56, 12}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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}, |
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{ |
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{0x57, 12}, {0x00, 0}, {0x00, 0}, {0x00, 0} |
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} |
|
337 |
}; |
}; |
338 |
|
|
339 |
/* first coeffs of last = 1. indexing by [run][level-1] */ |
/* first coeffs of last = 1. indexing by [run][level-1] */ |
340 |
|
|
341 |
static VLC coeff_tab2[2][3] = { |
static VLC const coeff_tab2[2][3] = { |
342 |
/* |
/* run = 0 */ |
343 |
run = 0 |
{{0x07, 4}, {0x19, 9}, {0x05, 11}}, |
344 |
*/ |
/* run = 1 */ |
345 |
{ |
{{0x0f, 6}, {0x04, 11}, {0x00, 0}} |
|
{0x07, 4}, {0x19, 9}, {0x05, 11} |
|
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}, |
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/* |
|
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run = 1 |
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*/ |
|
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{ |
|
|
{0x0f, 6}, {0x04, 11}, {0x00, 0} |
|
|
} |
|
346 |
}; |
}; |
347 |
|
|
348 |
/* rest of coeffs for last = 1. indexing by [run-2] */ |
/* rest of coeffs for last = 1. indexing by [run-2] */ |
349 |
|
|
350 |
static VLC coeff_tab3[40][1] = { |
static VLC const coeff_tab3[40][1] = { |
351 |
{{0x0e, 6}}, {{0x0d, 6}}, {{0x0c, 6}}, |
{{0x0e, 6}}, {{0x0d, 6}}, {{0x0c, 6}}, {{0x13, 7}}, |
352 |
{{0x13, 7}}, {{0x12, 7}}, {{0x11, 7}}, {{0x10, 7}}, |
{{0x12, 7}}, {{0x11, 7}}, {{0x10, 7}}, {{0x1a, 8}}, |
353 |
{{0x1a, 8}}, {{0x19, 8}}, {{0x18, 8}}, {{0x17, 8}}, |
{{0x19, 8}}, {{0x18, 8}}, {{0x17, 8}}, {{0x16, 8}}, |
354 |
{{0x16, 8}}, {{0x15, 8}}, {{0x14, 8}}, {{0x13, 8}}, |
{{0x15, 8}}, {{0x14, 8}}, {{0x13, 8}}, {{0x18, 9}}, |
355 |
{{0x18, 9}}, {{0x17, 9}}, {{0x16, 9}}, {{0x15, 9}}, |
{{0x17, 9}}, {{0x16, 9}}, {{0x15, 9}}, {{0x14, 9}}, |
356 |
{{0x14, 9}}, {{0x13, 9}}, {{0x12, 9}}, {{0x11, 9}}, |
{{0x13, 9}}, {{0x12, 9}}, {{0x11, 9}}, {{0x07, 10}}, |
357 |
{{0x07, 10}}, {{0x06, 10}}, {{0x05, 10}}, {{0x04, 10}}, |
{{0x06, 10}}, {{0x05, 10}}, {{0x04, 10}}, {{0x24, 11}}, |
358 |
{{0x24, 11}}, {{0x25, 11}}, {{0x26, 11}}, {{0x27, 11}}, |
{{0x25, 11}}, {{0x26, 11}}, {{0x27, 11}}, {{0x58, 12}}, |
359 |
{{0x58, 12}}, {{0x59, 12}}, {{0x5a, 12}}, {{0x5b, 12}}, |
{{0x59, 12}}, {{0x5a, 12}}, {{0x5b, 12}}, {{0x5c, 12}}, |
360 |
{{0x5c, 12}}, {{0x5d, 12}}, {{0x5e, 12}}, {{0x5f, 12}}, |
{{0x5d, 12}}, {{0x5e, 12}}, {{0x5f, 12}}, {{0x00, 0}} |
|
{{0x00, 0}} |
|
361 |
}; |
}; |
362 |
|
|
363 |
/* New tables for Intra luminance coefficients. Same codewords, |
/* |
364 |
different meaning */ |
* New tables for Intra luminance coefficients. Same codewords, |
365 |
|
* different meaning |
366 |
|
*/ |
367 |
|
|
368 |
/* Coeffs for last = 0, run = 0. Indexed by [level-1] */ |
/* Coeffs for last = 0, run = 0. Indexed by [level-1] */ |
369 |
|
|
370 |
static VLC coeff_tab4[27] = { |
static VLC const coeff_tab4[27] = { |
371 |
/* |
/* run = 0 */ |
372 |
run = 0 |
{0x02, 2}, {0x06, 3}, {0x0f, 4}, |
373 |
*/ |
{0x0d, 5}, {0x0c, 5}, {0x15, 6}, |
374 |
{0x02, 2}, {0x06, 3}, {0x0f, 4}, {0x0d, 5}, |
{0x13, 6}, {0x12, 6}, {0x17, 7}, |
375 |
{0x0c, 5}, {0x15, 6}, {0x13, 6}, {0x12, 6}, |
{0x1f, 8}, {0x1e, 8}, {0x1d, 8}, |
376 |
{0x17, 7}, {0x1f, 8}, {0x1e, 8}, {0x1d, 8}, |
{0x25, 9}, {0x24, 9}, {0x23, 9}, |
377 |
{0x25, 9}, {0x24, 9}, {0x23, 9}, {0x21, 9}, |
{0x21, 9}, {0x21, 10}, {0x20, 10}, |
378 |
{0x21, 10}, {0x20, 10}, {0x0f, 10}, {0x0e, 10}, |
{0x0f, 10}, {0x0e, 10}, {0x07, 11}, |
379 |
{0x07, 11}, {0x06, 11}, {0x20, 11}, {0x21, 11}, |
{0x06, 11}, {0x20, 11}, {0x21, 11}, |
380 |
{0x50, 12}, {0x51, 12}, {0x52, 12} |
{0x50, 12}, {0x51, 12}, {0x52, 12} |
381 |
}; |
}; |
382 |
|
|
383 |
/* Coeffs for last = 0, run = 1. Indexed by [level-1] */ |
/* Coeffs for last = 0, run = 1. Indexed by [level-1] */ |
384 |
|
|
385 |
static VLC coeff_tab5[10] = { |
static VLC const coeff_tab5[10] = { |
386 |
{0x0e, 4}, {0x14, 6}, {0x16, 7}, {0x1c, 8}, |
{0x0e, 4}, {0x14, 6}, {0x16, 7}, {0x1c, 8}, {0x20, 9}, |
387 |
{0x20, 9}, {0x1f, 9}, {0x0d, 10}, {0x22, 11}, |
{0x1f, 9}, {0x0d, 10}, {0x22, 11}, {0x53, 12}, {0x55, 12} |
|
{0x53, 12}, {0x55, 12} |
|
388 |
}; |
}; |
389 |
|
|
390 |
/* Coeffs for last = 0, run = 2 -> 9. Indexed by [run-2][level-1] */ |
/* Coeffs for last = 0, run = 2 -> 9. Indexed by [run-2][level-1] */ |
391 |
|
|
392 |
static VLC coeff_tab6[8][5] = { |
static VLC coeff_tab6[8][5] = { |
393 |
/* |
/* run = 2 */ |
394 |
run = 2 |
{{0x0b, 5}, {0x15, 7}, {0x1e, 9}, {0x0c, 10}, {0x56, 12}}, |
395 |
*/ |
|
396 |
{ |
/* run = 3 */ |
397 |
{0x0b, 5}, {0x15, 7}, {0x1e, 9}, {0x0c, 10}, |
{{0x11, 6}, {0x1b, 8}, {0x1d, 9}, {0x0b, 10}, {0x00, 0}}, |
398 |
{0x56, 12} |
|
399 |
}, |
/* run = 4 */ |
400 |
/* |
{{0x10, 6}, {0x22, 9}, {0x0a, 10}, {0x00, 0}, {0x00, 0}}, |
401 |
run = 3 |
|
402 |
*/ |
/* run = 5 */ |
403 |
{ |
{{0x0d, 6}, {0x1c, 9}, {0x08, 10}, {0x00, 0}, {0x00, 0}}, |
404 |
{0x11, 6}, {0x1b, 8}, {0x1d, 9}, {0x0b, 10}, |
|
405 |
{0x00, 0} |
/* run = 6 */ |
406 |
}, |
{{0x12, 7}, {0x1b, 9}, {0x54, 12}, {0x00, 0}, {0x00, 0}}, |
407 |
/* |
|
408 |
run = 4 |
/* run = 7 */ |
409 |
*/ |
{{0x14, 7}, {0x1a, 9}, {0x57, 12}, {0x00, 0}, {0x00, 0}}, |
410 |
{ |
|
411 |
{0x10, 6}, {0x22, 9}, {0x0a, 10}, {0x00, 0}, |
/* run = 8 */ |
412 |
{0x00, 0} |
{{0x19, 8}, {0x09, 10}, {0x00, 0}, {0x00, 0}, {0x00, 0}}, |
413 |
}, |
|
414 |
/* |
/* run = 9 */ |
415 |
run = 5 |
{{0x18, 8}, {0x23, 11}, {0x00, 0}, {0x00, 0}, {0x00, 0}} |
|
*/ |
|
|
{ |
|
|
{0x0d, 6}, {0x1c, 9}, {0x08, 10}, {0x00, 0}, |
|
|
{0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 6 |
|
|
*/ |
|
|
{ |
|
|
{0x12, 7}, {0x1b, 9}, {0x54, 12}, {0x00, 0}, |
|
|
{0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 7 |
|
|
*/ |
|
|
{ |
|
|
{0x14, 7}, {0x1a, 9}, {0x57, 12}, {0x00, 0}, |
|
|
{0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 8 |
|
|
*/ |
|
|
{ |
|
|
{0x19, 8}, {0x09, 10}, {0x00, 0}, {0x00, 0}, |
|
|
{0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 9 |
|
|
*/ |
|
|
{ |
|
|
{0x18, 8}, {0x23, 11}, {0x00, 0}, {0x00, 0}, |
|
|
{0x00, 0} |
|
|
} |
|
416 |
}; |
}; |
417 |
|
|
418 |
/* Coeffs for last = 0, run = 10 -> 14. Indexed by [run-10] */ |
/* Coeffs for last = 0, run = 10 -> 14. Indexed by [run-10] */ |
419 |
|
|
420 |
static VLC coeff_tab7[5][1] = { |
static VLC const coeff_tab7[5][1] = { |
421 |
{{0x17, 8}}, {{0x19, 9}}, {{0x18, 9}}, {{0x07, 10}}, |
{{0x17, 8}}, |
422 |
|
{{0x19, 9}}, |
423 |
|
{{0x18, 9}}, |
424 |
|
{{0x07, 10}}, |
425 |
{{0x58, 12}} |
{{0x58, 12}} |
426 |
}; |
}; |
427 |
|
|
428 |
/* Coeffs for last = 1, run = 0. Indexed by [level-1] */ |
/* Coeffs for last = 1, run = 0. Indexed by [level-1] */ |
429 |
|
|
430 |
static VLC coeff_tab8[8] = { |
static VLC const coeff_tab8[8] = { |
431 |
{0x07, 4}, {0x0c, 6}, {0x16, 8}, {0x17, 9}, |
{0x07, 4}, {0x0c, 6}, {0x16, 8}, {0x17, 9}, |
432 |
{0x06, 10}, {0x05, 11}, {0x04, 11}, {0x59, 12} |
{0x06, 10}, {0x05, 11}, {0x04, 11}, {0x59, 12} |
433 |
}; |
}; |
434 |
|
|
435 |
/* Coeffs for last = 1, run = 1 -> 6. Indexed by [run-1][level-1] */ |
/* Coeffs for last = 1, run = 1 -> 6. Indexed by [run-1][level-1] */ |
436 |
|
|
437 |
static VLC coeff_tab9[6][3] = { |
static VLC const coeff_tab9[6][3] = { |
438 |
/* |
/* run = 1 */ |
439 |
run = 1 |
{{0x0f, 6}, {0x16, 9}, {0x05, 10}}, |
440 |
*/ |
|
441 |
{ |
/* run = 2 */ |
442 |
{0x0f, 6}, {0x16, 9}, {0x05, 10} |
{{0x0e, 6}, {0x04, 10}, {0x00, 0}}, |
443 |
}, |
|
444 |
/* |
/* run = 3 */ |
445 |
run = 2 |
{{0x11, 7}, {0x24, 11}, {0x00, 0}}, |
446 |
*/ |
|
447 |
{ |
/* run = 4 */ |
448 |
{0x0e, 6}, {0x04, 10}, {0x00, 0} |
{{0x10, 7}, {0x25, 11}, {0x00, 0}}, |
449 |
}, |
|
450 |
/* |
/* run = 5 */ |
451 |
run = 3 |
{{0x13, 7}, {0x5a, 12}, {0x00, 0}}, |
452 |
*/ |
|
453 |
{ |
/* run = 6 */ |
454 |
{0x11, 7}, {0x24, 11}, {0x00, 0} |
{{0x15, 8}, {0x5b, 12}, {0x00, 0}} |
|
}, |
|
|
/* |
|
|
run = 4 |
|
|
*/ |
|
|
{ |
|
|
{0x10, 7}, {0x25, 11}, {0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 5 |
|
|
*/ |
|
|
{ |
|
|
{0x13, 7}, {0x5a, 12}, {0x00, 0} |
|
|
}, |
|
|
/* |
|
|
run = 6 |
|
|
*/ |
|
|
{ |
|
|
{0x15, 8}, {0x5b, 12}, {0x00, 0} |
|
|
} |
|
455 |
}; |
}; |
456 |
|
|
457 |
/* Coeffs for last = 1, run = 7 -> 20. Indexed by [run-7] */ |
/* Coeffs for last = 1, run = 7 -> 20. Indexed by [run-7] */ |
458 |
|
|
459 |
static VLC coeff_tab10[14][1] = { |
static VLC const coeff_tab10[14][1] = { |
460 |
{{0x14, 8}}, {{0x13, 8}}, {{0x1a, 8}}, {{0x15, 9}}, |
{{0x14, 8}}, |
461 |
{{0x14, 9}}, {{0x13, 9}}, {{0x12, 9}}, {{0x11, 9}}, |
{{0x13, 8}}, |
462 |
{{0x26, 11}}, {{0x27, 11}}, {{0x5c, 12}}, {{0x5d, 12}}, |
{{0x1a, 8}}, |
463 |
{{0x5e, 12}}, {{0x5f, 12}} |
{{0x15, 9}}, |
464 |
|
{{0x14, 9}}, |
465 |
|
{{0x13, 9}}, |
466 |
|
{{0x12, 9}}, |
467 |
|
{{0x11, 9}}, |
468 |
|
{{0x26, 11}}, |
469 |
|
{{0x27, 11}}, |
470 |
|
{{0x5c, 12}}, |
471 |
|
{{0x5d, 12}}, |
472 |
|
{{0x5e, 12}}, |
473 |
|
{{0x5f, 12}} |
474 |
}; |
}; |
475 |
|
|
476 |
|
|
477 |
static VLC *coeff_intra_last0[15] = { |
static VLC const *coeff_intra_last0[15] = { |
478 |
coeff_tab4, |
coeff_tab4, |
479 |
coeff_tab5, |
coeff_tab5, |
480 |
coeff_tab6[0], |
coeff_tab6[0], |
492 |
coeff_tab7[4] |
coeff_tab7[4] |
493 |
}; |
}; |
494 |
|
|
495 |
static VLC *coeff_intra_last1[21] = { |
static VLC const *coeff_intra_last1[21] = { |
496 |
coeff_tab8, |
coeff_tab8, |
497 |
coeff_tab9[0], |
coeff_tab9[0], |
498 |
coeff_tab9[1], |
coeff_tab9[1], |
516 |
coeff_tab10[13], |
coeff_tab10[13], |
517 |
}; |
}; |
518 |
|
|
519 |
static VLC *coeff_inter_last0[27] = { |
static VLC const *coeff_inter_last0[27] = { |
520 |
coeff_tab0[0], |
coeff_tab0[0], |
521 |
coeff_tab0[1], |
coeff_tab0[1], |
522 |
coeff_tab1[0], |
coeff_tab1[0], |
546 |
coeff_tab1[24], |
coeff_tab1[24], |
547 |
}; |
}; |
548 |
|
|
549 |
static VLC *coeff_inter_last1[42] = { |
static VLC const *coeff_inter_last1[42] = { |
550 |
coeff_tab2[0], |
coeff_tab2[0], |
551 |
coeff_tab2[1], |
coeff_tab2[1], |
552 |
coeff_tab3[0], |
coeff_tab3[0], |
591 |
coeff_tab3[39], |
coeff_tab3[39], |
592 |
}; |
}; |
593 |
|
|
594 |
static VLC **coeff_vlc[4] = { |
static VLC const **coeff_vlc[4] = { |
595 |
coeff_intra_last0, |
coeff_intra_last0, |
596 |
coeff_intra_last1, |
coeff_intra_last1, |
597 |
coeff_inter_last0, |
coeff_inter_last0, |
598 |
coeff_inter_last1, |
coeff_inter_last1, |
599 |
}; |
}; |
600 |
|
|
601 |
/* MCBPC Indexing by cbpc in first two bits, mode in last two. |
/* |
602 |
CBPC as in table 4/H.263, MB type (mode): 3 = 01, 4 = 10. |
* MCBPC Indexing by cbpc in first two bits, mode in last two. |
603 |
Example: cbpc = 01 and mode = 4 gives index = 0110 = 6. */ |
* CBPC as in table 4/H.263, MB type (mode): 3 = 01, 4 = 10. |
604 |
|
* Example: cbpc = 01 and mode = 4 gives index = 0110 = 6. |
605 |
|
*/ |
606 |
|
|
607 |
static VLC mcbpc_intra_tab[15] = { |
static VLC const mcbpc_intra_tab[15] = { |
608 |
{0x01, 9}, {0x01, 1}, {0x01, 4}, {0x00, 0}, |
{0x01, 9}, {0x01, 1}, {0x01, 4}, {0x00, 0}, |
609 |
{0x00, 0}, {0x01, 3}, {0x01, 6}, {0x00, 0}, |
{0x00, 0}, {0x01, 3}, {0x01, 6}, {0x00, 0}, |
610 |
{0x00, 0}, {0x02, 3}, {0x02, 6}, {0x00, 0}, |
{0x00, 0}, {0x02, 3}, {0x02, 6}, {0x00, 0}, |
614 |
/* MCBPC inter. |
/* MCBPC inter. |
615 |
Addressing: 5 bit ccmmm (cc = CBPC, mmm = mode (1-4 binary)) */ |
Addressing: 5 bit ccmmm (cc = CBPC, mmm = mode (1-4 binary)) */ |
616 |
|
|
617 |
static VLC mcbpc_inter_tab[29] = { |
static VLC const mcbpc_inter_tab[29] = { |
618 |
{1, 1}, {3, 3}, {2, 3}, {3, 5}, {4, 6}, {1, 9}, {0, 0}, {0, 0}, |
{1, 1}, {3, 3}, {2, 3}, {3, 5}, {4, 6}, {1, 9}, {0, 0}, {0, 0}, |
619 |
{3, 4}, {7, 7}, {5, 7}, {4, 8}, {4, 9}, {0, 0}, {0, 0}, {0, 0}, |
{3, 4}, {7, 7}, {5, 7}, {4, 8}, {4, 9}, {0, 0}, {0, 0}, {0, 0}, |
620 |
{2, 4}, {6, 7}, {4, 7}, {3, 8}, {3, 9}, {0, 0}, {0, 0}, {0, 0}, |
{2, 4}, {6, 7}, {4, 7}, {3, 8}, {3, 9}, {0, 0}, {0, 0}, {0, 0}, |
621 |
{5, 6}, {5, 9}, {5, 8}, {3, 7}, {2, 9} |
{5, 6}, {5, 9}, {5, 8}, {3, 7}, {2, 9} |
622 |
}; |
}; |
623 |
|
|
624 |
static const VLC cbpy_tab[16] = { |
static VLC const cbpy_tab[16] = { |
625 |
{3, 4}, {5, 5}, {4, 5}, {9, 4}, {3, 5}, {7, 4}, {2, 6}, {11, 4}, |
{3, 4}, {5, 5}, {4, 5}, {9, 4}, {3, 5}, {7, 4}, {2, 6}, {11, 4}, |
626 |
{2, 5}, {3, 6}, {5, 4}, {10, 4}, {4, 4}, {8, 4}, {6, 4}, {3, 2} |
{2, 5}, {3, 6}, {5, 4}, {10, 4}, {4, 4}, {8, 4}, {6, 4}, {3, 2} |
627 |
}; |
}; |
628 |
|
|
629 |
static const VLC dcy_tab[511] = { |
static VLC const dcy_tab[511] = { |
630 |
{0x100, 15}, {0x101, 15}, {0x102, 15}, {0x103, 15}, |
{0x100, 15}, {0x101, 15}, {0x102, 15}, {0x103, 15}, |
631 |
{0x104, 15}, {0x105, 15}, {0x106, 15}, {0x107, 15}, |
{0x104, 15}, {0x105, 15}, {0x106, 15}, {0x107, 15}, |
632 |
{0x108, 15}, {0x109, 15}, {0x10a, 15}, {0x10b, 15}, |
{0x108, 15}, {0x109, 15}, {0x10a, 15}, {0x10b, 15}, |
757 |
{0x1fd, 15}, {0x1fe, 15}, {0x1ff, 15}, |
{0x1fd, 15}, {0x1fe, 15}, {0x1ff, 15}, |
758 |
}; |
}; |
759 |
|
|
760 |
static const VLC dcc_tab[511] = { |
static VLC const dcc_tab[511] = { |
761 |
{0x100, 16}, {0x101, 16}, {0x102, 16}, {0x103, 16}, |
{0x100, 16}, {0x101, 16}, {0x102, 16}, {0x103, 16}, |
762 |
{0x104, 16}, {0x105, 16}, {0x106, 16}, {0x107, 16}, |
{0x104, 16}, {0x105, 16}, {0x106, 16}, {0x107, 16}, |
763 |
{0x108, 16}, {0x109, 16}, {0x10a, 16}, {0x10b, 16}, |
{0x108, 16}, {0x109, 16}, {0x10a, 16}, {0x10b, 16}, |
889 |
}; |
}; |
890 |
|
|
891 |
|
|
892 |
static const VLC mb_motion_table[65] = { |
static VLC const mb_motion_table[65] = { |
893 |
{0x05, 13}, {0x07, 13}, {0x05, 12}, {0x07, 12}, |
{0x05, 13}, {0x07, 13}, {0x05, 12}, {0x07, 12}, |
894 |
{0x09, 12}, {0x0b, 12}, {0x0d, 12}, {0x0f, 12}, |
{0x09, 12}, {0x0b, 12}, {0x0d, 12}, {0x0f, 12}, |
895 |
{0x09, 11}, {0x0b, 11}, {0x0d, 11}, {0x0f, 11}, |
{0x09, 11}, {0x0b, 11}, {0x0d, 11}, {0x0f, 11}, |
914 |
* decoder tables * |
* decoder tables * |
915 |
******************************************************************/ |
******************************************************************/ |
916 |
|
|
917 |
static const VLC mcbpc_intra_table[64] = { |
static VLC const mcbpc_intra_table[64] = { |
918 |
{-1, 0}, |
{-1, 0}, {20, 6}, {36, 6}, {52, 6}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, |
919 |
{20, 6}, {36, 6}, {52, 6}, {4, 4}, {4, 4}, {4, 4}, |
{19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, |
920 |
{4, 4}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, |
{35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, |
921 |
{19, 3}, {19, 3}, {19, 3}, {35, 3}, {35, 3}, {35, 3}, |
{51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, |
922 |
{35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {51, 3}, |
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
923 |
{51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, |
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
924 |
{51, 3}, {3, 1}, |
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
925 |
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1} |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
|
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
|
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
|
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
|
|
{3, 1} |
|
926 |
}; |
}; |
927 |
|
|
928 |
|
|
929 |
static const VLC mcbpc_inter_table[257] = { |
static VLC const mcbpc_inter_table[257] = { |
930 |
{VLC_ERROR, 0}, |
{VLC_ERROR, 0}, {255, 9}, {52, 9}, {36, 9}, {20, 9}, {49, 9}, {35, 8}, {35, 8}, |
931 |
{255, 9}, {52, 9}, {36, 9}, {20, 9}, {49, 9}, {35, 8}, {35, 8}, {19, 8}, |
{19, 8}, {19, 8}, {50, 8}, {50, 8}, {51, 7}, {51, 7}, {51, 7}, {51, 7}, |
932 |
{19, 8}, |
{34, 7}, {34, 7}, {34, 7}, {34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, |
933 |
{50, 8}, {50, 8}, {51, 7}, {51, 7}, {51, 7}, {51, 7}, {34, 7}, {34, 7}, |
{33, 7}, {33, 7}, {33, 7}, {33, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, |
934 |
{34, 7}, |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, |
935 |
{34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, {33, 7}, {33, 7}, {33, 7}, |
{48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, |
936 |
{33, 7}, |
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
937 |
{17, 7}, {17, 7}, {17, 7}, {17, 7}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, |
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
|
{4, 6}, {4, 6}, {4, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, |
|
|
6}, |
|
|
{48, 6}, {48, 6}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
|
|
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
|
938 |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
|
{32, 4}, |
|
939 |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
|
{32, 4}, |
|
940 |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
941 |
{32, 4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
942 |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {16, 4}, {16, 4}, {16, 4}, |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
|
{16, 4}, |
|
943 |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
|
{16, 4}, |
|
944 |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
|
{16, 4}, |
|
945 |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
946 |
{16, 4}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
947 |
{16, 4}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
948 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
949 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
950 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
951 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
952 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
953 |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
954 |
{2, 3}, {2, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
955 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
956 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
957 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
958 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
959 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
960 |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
961 |
{1, 3}, {1, 3}, {1, 3}, {0, 1} |
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
962 |
|
{0, 1} |
963 |
}; |
}; |
964 |
|
|
965 |
static const VLC cbpy_table[64] = { |
static VLC const cbpy_table[64] = { |
966 |
{-1, 0}, {-1, 0}, {6, 6}, {9, 6}, {8, 5}, {8, 5}, {4, 5}, {4, 5}, |
{-1, 0}, {-1, 0}, {6, 6}, {9, 6}, {8, 5}, {8, 5}, {4, 5}, {4, 5}, |
967 |
{2, 5}, {2, 5}, {1, 5}, {1, 5}, {0, 4}, {0, 4}, {0, 4}, {0, 4}, |
{2, 5}, {2, 5}, {1, 5}, {1, 5}, {0, 4}, {0, 4}, {0, 4}, {0, 4}, |
968 |
{12, 4}, {12, 4}, {12, 4}, {12, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, |
{12, 4}, {12, 4}, {12, 4}, {12, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, |
969 |
{14, 4}, {14, 4}, {14, 4}, {14, 4}, {5, 4}, {5, 4}, {5, 4}, {5, 4}, |
{14, 4}, {14, 4}, {14, 4}, {14, 4}, {5, 4}, {5, 4}, {5, 4}, {5, 4}, |
970 |
{13, 4}, {13, 4}, {13, 4}, {13, 4}, {3, 4}, {3, 4}, {3, 4}, {3, 4}, |
{13, 4}, {13, 4}, {13, 4}, {13, 4}, {3, 4}, {3, 4}, {3, 4}, {3, 4}, |
971 |
{11, 4}, {11, 4}, {11, 4}, {11, 4}, {7, 4}, {7, 4}, {7, 4}, {7, 4}, |
{11, 4}, {11, 4}, {11, 4}, {11, 4}, {7, 4}, {7, 4}, {7, 4}, {7, 4}, |
972 |
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, |
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, |
973 |
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, |
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2} |
974 |
{15, 2}, {15, 2} |
}; |
975 |
}; |
|
976 |
|
|
977 |
|
static VLC const TMNMVtab0[] = { |
978 |
VLC TMNMVtab0[] = { |
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2}, |
979 |
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2}, {1, 2}, {1, 2}, |
{1, 2}, {1, 2}, {1, 2}, {-1, 2}, {-1, 2}, {-1, 2}, {-1, 2} |
980 |
{1, 2}, |
}; |
981 |
{-1, 2}, {-1, 2}, {-1, 2}, {-1, 2} |
|
982 |
}; |
static VLC const TMNMVtab1[] = { |
983 |
|
{12, 10}, {-12, 10}, {11, 10}, {-11, 10}, |
984 |
VLC TMNMVtab1[] = { |
{10, 9}, {10, 9}, {-10, 9}, {-10, 9}, |
985 |
{12, 10}, {-12, 10}, {11, 10}, {-11, 10}, {10, 9}, {10, 9}, {-10, 9}, {-10, |
{9, 9}, {9, 9}, {-9, 9}, {-9, 9}, |
986 |
9}, |
{8, 9}, {8, 9}, {-8, 9}, {-8, 9}, |
987 |
{9, 9}, {9, 9}, {-9, 9}, {-9, 9}, {8, 9}, {8, 9}, {-8, 9}, {-8, 9}, {7, 7}, |
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
988 |
{7, 7}, |
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
989 |
{7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
990 |
{-7, 7}, |
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
991 |
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, {6, 7}, {6, 7}, {6, 7}, {6, 7}, {6, 7}, |
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
992 |
{6, 7}, |
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
993 |
{6, 7}, {6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, |
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
994 |
7}, |
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
995 |
{-6, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, |
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
996 |
{-5, 7}, |
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
997 |
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {4, 6}, {4, |
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
998 |
6}, |
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
999 |
{4, 6}, |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
1000 |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
1001 |
6}, |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
1002 |
{4, 6}, |
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
1003 |
{4, 6}, {4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, |
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
1004 |
6}, |
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
1005 |
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
1006 |
{-4, 6} |
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6} |
1007 |
}; |
}; |
1008 |
|
|
1009 |
VLC TMNMVtab2[] = { |
static VLC const TMNMVtab2[] = { |
1010 |
{32, 12}, {-32, 12}, {31, 12}, {-31, 12}, {30, 11}, {30, 11}, {-30, 11}, |
{32, 12}, {-32, 12}, {31, 12}, {-31, 12}, |
1011 |
{-30, 11}, |
{30, 11}, {30, 11}, {-30, 11}, {-30, 11}, |
1012 |
{29, 11}, {29, 11}, {-29, 11}, {-29, 11}, {28, 11}, {28, 11}, {-28, 11}, |
{29, 11}, {29, 11}, {-29, 11}, {-29, 11}, |
1013 |
{-28, 11}, |
{28, 11}, {28, 11}, {-28, 11}, {-28, 11}, |
1014 |
{27, 11}, {27, 11}, {-27, 11}, {-27, 11}, {26, 11}, {26, 11}, {-26, 11}, |
{27, 11}, {27, 11}, {-27, 11}, {-27, 11}, |
1015 |
{-26, 11}, |
{26, 11}, {26, 11}, {-26, 11}, {-26, 11}, |
1016 |
{25, 11}, {25, 11}, {-25, 11}, {-25, 11}, {24, 10}, {24, 10}, {24, 10}, |
{25, 11}, {25, 11}, {-25, 11}, {-25, 11}, |
1017 |
{24, 10}, |
{24, 10}, {24, 10}, {24, 10}, {24, 10}, |
1018 |
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10}, {23, 10}, {23, 10}, {23, 10}, |
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10}, |
1019 |
{23, 10}, |
{23, 10}, {23, 10}, {23, 10}, {23, 10}, |
1020 |
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, {22, 10}, {22, 10}, {22, 10}, |
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, |
1021 |
{22, 10}, |
{22, 10}, {22, 10}, {22, 10}, {22, 10}, |
1022 |
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, {21, 10}, {21, 10}, {21, 10}, |
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, |
1023 |
{21, 10}, |
{21, 10}, {21, 10}, {21, 10}, {21, 10}, |
1024 |
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, {20, 10}, {20, 10}, {20, 10}, |
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, |
1025 |
{20, 10}, |
{20, 10}, {20, 10}, {20, 10}, {20, 10}, |
1026 |
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, {19, 10}, {19, 10}, {19, 10}, |
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, |
1027 |
{19, 10}, |
{19, 10}, {19, 10}, {19, 10}, {19, 10}, |
1028 |
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, {18, 10}, {18, 10}, {18, 10}, |
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, |
1029 |
{18, 10}, |
{18, 10}, {18, 10}, {18, 10}, {18, 10}, |
1030 |
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, {17, 10}, {17, 10}, {17, 10}, |
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, |
1031 |
{17, 10}, |
{17, 10}, {17, 10}, {17, 10}, {17, 10}, |
1032 |
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10}, {16, 10}, {16, 10}, {16, 10}, |
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10}, |
1033 |
{16, 10}, |
{16, 10}, {16, 10}, {16, 10}, {16, 10}, |
1034 |
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10}, {15, 10}, {15, 10}, {15, 10}, |
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10}, |
1035 |
{15, 10}, |
{15, 10}, {15, 10}, {15, 10}, {15, 10}, |
1036 |
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10}, {14, 10}, {14, 10}, {14, 10}, |
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10}, |
1037 |
{14, 10}, |
{14, 10}, {14, 10}, {14, 10}, {14, 10}, |
1038 |
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10}, {13, 10}, {13, 10}, {13, 10}, |
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10}, |
1039 |
{13, 10}, |
{13, 10}, {13, 10}, {13, 10}, {13, 10}, |
1040 |
{-13, 10}, {-13, 10}, {-13, 10}, {-13, 10} |
{-13, 10}, {-13, 10}, {-13, 10}, {-13, 10} |
1041 |
}; |
}; |
1042 |
|
|
1043 |
|
|
1044 |
VLC DCT3Dtab0[] = { |
static VLC const DCT3Dtab0[] = { |
1045 |
{4225, 7}, {4209, 7}, {4193, 7}, {4177, 7}, {193, 7}, {177, 7}, |
{4225, 7}, {4209, 7}, {4193, 7}, {4177, 7}, {193, 7}, {177, 7}, |
1046 |
{161, 7}, {4, 7}, {4161, 6}, {4161, 6}, {4145, 6}, {4145, 6}, |
{161, 7}, {4, 7}, {4161, 6}, {4161, 6}, {4145, 6}, {4145, 6}, |
1047 |
{4129, 6}, {4129, 6}, {4113, 6}, {4113, 6}, {145, 6}, {145, 6}, |
{4129, 6}, {4129, 6}, {4113, 6}, {4113, 6}, {145, 6}, {145, 6}, |
1064 |
}; |
}; |
1065 |
|
|
1066 |
|
|
1067 |
VLC DCT3Dtab1[] = { |
static VLC const DCT3Dtab1[] = { |
1068 |
{9, 10}, {8, 10}, {4481, 9}, {4481, 9}, {4465, 9}, {4465, 9}, |
{9, 10}, {8, 10}, {4481, 9}, {4481, 9}, {4465, 9}, {4465, 9}, |
1069 |
{4449, 9}, {4449, 9}, {4433, 9}, {4433, 9}, {4417, 9}, {4417, 9}, |
{4449, 9}, {4449, 9}, {4433, 9}, {4433, 9}, {4417, 9}, {4417, 9}, |
1070 |
{4401, 9}, {4401, 9}, {4385, 9}, {4385, 9}, {4369, 9}, {4369, 9}, |
{4401, 9}, {4401, 9}, {4385, 9}, {4385, 9}, {4369, 9}, {4369, 9}, |
1083 |
{19, 8}, {19, 8}, {5, 8}, {5, 8}, {5, 8}, {5, 8} |
{19, 8}, {19, 8}, {5, 8}, {5, 8}, {5, 8}, {5, 8} |
1084 |
}; |
}; |
1085 |
|
|
1086 |
VLC DCT3Dtab2[] = { |
static VLC const DCT3Dtab2[] = { |
1087 |
{4114, 11}, {4114, 11}, {4099, 11}, {4099, 11}, {11, 11}, {11, 11}, |
{4114, 11}, {4114, 11}, {4099, 11}, {4099, 11}, {11, 11}, {11, 11}, |
1088 |
{10, 11}, {10, 11}, {4545, 10}, {4545, 10}, {4545, 10}, {4545, 10}, |
{10, 11}, {10, 11}, {4545, 10}, {4545, 10}, {4545, 10}, {4545, 10}, |
1089 |
{4529, 10}, {4529, 10}, {4529, 10}, {4529, 10}, {4513, 10}, {4513, 10}, |
{4529, 10}, {4529, 10}, {4529, 10}, {4529, 10}, {4513, 10}, {4513, 10}, |
1110 |
|
|
1111 |
/* New tables for Intra luminance blocks */ |
/* New tables for Intra luminance blocks */ |
1112 |
|
|
1113 |
VLC DCT3Dtab3[] = { |
static VLC const DCT3Dtab3[] = { |
1114 |
{0x10401, 7}, {0x10301, 7}, {0x00601, 7}, {0x10501, 7}, |
{0x10401, 7}, {0x10301, 7}, {0x00601, 7}, {0x10501, 7}, |
1115 |
{0x00701, 7}, {0x00202, 7}, {0x00103, 7}, {0x00009, 7}, |
{0x00701, 7}, {0x00202, 7}, {0x00103, 7}, {0x00009, 7}, |
1116 |
{0x10002, 6}, {0x10002, 6}, {0x00501, 6}, {0x00501, 6}, |
{0x10002, 6}, {0x10002, 6}, {0x00501, 6}, {0x00501, 6}, |
1142 |
}; |
}; |
1143 |
|
|
1144 |
|
|
1145 |
VLC DCT3Dtab4[] = { |
static VLC const DCT3Dtab4[] = { |
1146 |
{0x00012, 10}, {0x00011, 10}, {0x10e01, 9}, {0x10e01, 9}, |
{0x00012, 10}, {0x00011, 10}, {0x10e01, 9}, {0x10e01, 9}, |
1147 |
{0x10d01, 9}, {0x10d01, 9}, {0x10c01, 9}, {0x10c01, 9}, |
{0x10d01, 9}, {0x10d01, 9}, {0x10c01, 9}, {0x10c01, 9}, |
1148 |
{0x10b01, 9}, {0x10b01, 9}, {0x10a01, 9}, {0x10a01, 9}, |
{0x10b01, 9}, {0x10b01, 9}, {0x10a01, 9}, {0x10a01, 9}, |
1169 |
{0x0000a, 8}, {0x0000a, 8}, {0x0000a, 8}, {0x0000a, 8} |
{0x0000a, 8}, {0x0000a, 8}, {0x0000a, 8}, {0x0000a, 8} |
1170 |
}; |
}; |
1171 |
|
|
1172 |
VLC DCT3Dtab5[] = { |
static VLC const DCT3Dtab5[] = { |
1173 |
{0x10007, 11}, {0x10007, 11}, {0x10006, 11}, {0x10006, 11}, |
{0x10007, 11}, {0x10007, 11}, {0x10006, 11}, {0x10006, 11}, |
1174 |
{0x00016, 11}, {0x00016, 11}, {0x00015, 11}, {0x00015, 11}, |
{0x00016, 11}, {0x00016, 11}, {0x00015, 11}, {0x00015, 11}, |
1175 |
{0x10202, 10}, {0x10202, 10}, {0x10202, 10}, {0x10202, 10}, |
{0x10202, 10}, {0x10202, 10}, {0x10202, 10}, {0x10202, 10}, |
1202 |
{0x01bff, 7}, {0x01bff, 7}, {0x01bff, 7}, {0x01bff, 7} |
{0x01bff, 7}, {0x01bff, 7}, {0x01bff, 7}, {0x01bff, 7} |
1203 |
}; |
}; |
1204 |
|
|
1205 |
VLC ERRtab[] = { |
static short const dc_threshold[] = { |
1206 |
|
26708, 29545, 25120, 28265, 29281, 8313, 29557, 29541, |
1207 |
|
18208, 21838, 18208, 19536, 29472, 26223, 30580, 29281, |
1208 |
|
8293, 25956, 26994, 25974, 8292, 29286, 28015, 22560, |
1209 |
|
18774, 8260, 20557, 18245, 8244, 26664, 29812, 14960, |
1210 |
|
12079, 30583, 11895, 30328, 25705, 28462, 26482, 29472, |
1211 |
|
30063, 25458, 29541, 8233, 29505, 8299, 28518, 8306, |
1212 |
|
26740, 8293, 28531, 29301, 25955, 8307, 28532, 31008, |
1213 |
|
30063, 8306, 26980, 29811, 26994, 30050, 28532, 2674 |
1214 |
|
}; |
1215 |
|
|
1216 |
|
|
1217 |
|
static VLC const ERRtab[] = { |
1218 |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
1219 |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
1220 |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0}, |
1222 |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0} |
{VLC_ERROR, 0}, {VLC_ERROR, 0}, {VLC_ERROR, 0} |
1223 |
}; |
}; |
1224 |
|
|
1225 |
static const VLC dc_lum_tab[] = { |
static VLC const dc_lum_tab[] = { |
1226 |
{0, 0}, |
{0, 0}, {4, 3}, {3, 3}, {0, 3}, |
|
{4, 3}, {3, 3}, {0, 3}, |
|
1227 |
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
1228 |
}; |
}; |
1229 |
|
|
|
static __inline int |
|
|
get_coeff(Bitstream * bs, |
|
|
int *run, |
|
|
int *last, |
|
|
int intra, |
|
|
int short_video_header) |
|
|
{ |
|
|
|
|
|
uint32_t mode; |
|
|
const VLC *tab; |
|
|
int32_t level; |
|
|
|
|
|
if (short_video_header) // inter-VLCs will be used for both intra and inter blocks |
|
|
intra = 0; |
|
|
|
|
|
tab = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
|
|
|
|
|
if (tab->code == -1) |
|
|
goto error; |
|
|
|
|
|
BitstreamSkip(bs, tab->len); |
|
|
|
|
|
if (tab->code != ESCAPE) { |
|
|
if (!intra) { |
|
|
*run = (tab->code >> 4) & 255; |
|
|
level = tab->code & 15; |
|
|
*last = (tab->code >> 12) & 1; |
|
|
} else { |
|
|
*run = (tab->code >> 8) & 255; |
|
|
level = tab->code & 255; |
|
|
*last = (tab->code >> 16) & 1; |
|
|
} |
|
|
return BitstreamGetBit(bs) ? -level : level; |
|
|
} |
|
|
|
|
|
if (short_video_header) { |
|
|
// escape mode 4 - H.263 type, only used if short_video_header = 1 |
|
|
*last = BitstreamGetBit(bs); |
|
|
*run = BitstreamGetBits(bs, 6); |
|
|
level = BitstreamGetBits(bs, 8); |
|
|
|
|
|
if (level == 0 || level == 128) |
|
|
DEBUG1("Illegal LEVEL for ESCAPE mode 4:", level); |
|
|
|
|
|
return (level >= 128 ? -(256 - level) : level); |
|
|
} |
|
|
|
|
|
mode = BitstreamShowBits(bs, 2); |
|
|
|
|
|
if (mode < 3) { |
|
|
BitstreamSkip(bs, (mode == 2) ? 2 : 1); |
|
|
|
|
|
tab = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
|
|
if (tab->code == -1) |
|
|
goto error; |
|
|
|
|
|
BitstreamSkip(bs, tab->len); |
|
|
|
|
|
if (!intra) { |
|
|
*run = (tab->code >> 4) & 255; |
|
|
level = tab->code & 15; |
|
|
*last = (tab->code >> 12) & 1; |
|
|
} else { |
|
|
*run = (tab->code >> 8) & 255; |
|
|
level = tab->code & 255; |
|
|
*last = (tab->code >> 16) & 1; |
|
|
} |
|
|
|
|
|
if (mode < 2) // first escape mode, level is offset |
|
|
level += max_level[*last + (!intra << 1)][*run]; // need to add back the max level |
|
|
else if (mode == 2) // second escape mode, run is offset |
|
|
*run += max_run[*last + (!intra << 1)][level] + 1; |
|
|
|
|
|
return BitstreamGetBit(bs) ? -level : level; |
|
|
} |
|
|
// third escape mode - fixed length codes |
|
|
BitstreamSkip(bs, 2); |
|
|
*last = BitstreamGetBits(bs, 1); |
|
|
*run = BitstreamGetBits(bs, 6); |
|
|
BitstreamSkip(bs, 1); // marker |
|
|
level = BitstreamGetBits(bs, 12); |
|
|
BitstreamSkip(bs, 1); // marker |
|
|
|
|
|
return (level & 0x800) ? (level | (-1 ^ 0xfff)) : level; |
|
|
|
|
|
error: |
|
|
*run = VLC_ERROR; |
|
|
return 0; |
|
|
|
|
|
} |
|
|
|
|
1230 |
#endif /* _VLC_CODES_H */ |
#endif /* _VLC_CODES_H */ |