1 |
/***************************************************************************** |
/***************************************************************************** |
2 |
* |
* |
3 |
* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
4 |
* - Custom matrix quantization functions - |
* - Quantization matrix management code - |
5 |
* |
* |
6 |
* Copyright(C) 2002 Michael Militzer |
* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
7 |
* |
* 2002 Peter Ross <pross@xvid.org> |
|
* This program is an implementation of a part of one or more MPEG-4 |
|
|
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
|
|
* to use this software module in hardware or software products are |
|
|
* advised that its use may infringe existing patents or copyrights, and |
|
|
* any such use would be at such party's own risk. The original |
|
|
* developer of this software module and his/her company, and subsequent |
|
|
* editors and their companies, will have no liability for use of this |
|
|
* software or modifications or derivatives thereof. |
|
8 |
* |
* |
9 |
* This program is free software ; you can redistribute it and/or modify |
* This program is free software ; you can redistribute it and/or modify |
10 |
* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
20 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
* |
* |
23 |
* $Id: quant_matrix.c,v 1.6 2002-09-07 11:14:41 edgomez Exp $ |
* $Id: quant_matrix.c,v 1.13.2.1 2003-06-09 13:55:19 edgomez Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
27 |
#include "quant_matrix.h" |
#include "quant_matrix.h" |
28 |
|
|
29 |
#define FIX(X) (1 << 16) / (X) + 1 |
#define FIX(X) (((X)==1) ? 0xFFFF : ((1UL << 16) / (X) + 1)) |
30 |
|
#define FIXL(X) ((1UL << 16) / (X) - 1) |
31 |
|
|
|
/***************************************************************************** |
|
|
* Local data |
|
|
****************************************************************************/ |
|
|
|
|
|
/* ToDo : remove all this local to make this module thread safe */ |
|
32 |
uint8_t custom_intra_matrix = 0; |
uint8_t custom_intra_matrix = 0; |
33 |
uint8_t custom_inter_matrix = 0; |
uint8_t custom_inter_matrix = 0; |
34 |
|
|
35 |
static uint8_t const default_intra_matrix[64] = { |
uint8_t default_intra_matrix[64] = { |
36 |
8, 17, 18, 19, 21, 23, 25, 27, |
8, 17, 18, 19, 21, 23, 25, 27, |
37 |
17, 18, 19, 21, 23, 25, 27, 28, |
17, 18, 19, 21, 23, 25, 27, 28, |
38 |
20, 21, 22, 23, 24, 26, 28, 30, |
20, 21, 22, 23, 24, 26, 28, 30, |
43 |
27, 28, 30, 32, 35, 38, 41, 45 |
27, 28, 30, 32, 35, 38, 41, 45 |
44 |
}; |
}; |
45 |
|
|
46 |
static int16_t intra_matrix[64] = { |
int16_t intra_matrix[64] = { |
47 |
8, 17, 18, 19, 21, 23, 25, 27, |
8, 17, 18, 19, 21, 23, 25, 27, |
48 |
17, 18, 19, 21, 23, 25, 27, 28, |
17, 18, 19, 21, 23, 25, 27, 28, |
49 |
20, 21, 22, 23, 24, 26, 28, 30, |
20, 21, 22, 23, 24, 26, 28, 30, |
54 |
27, 28, 30, 32, 35, 38, 41, 45 |
27, 28, 30, 32, 35, 38, 41, 45 |
55 |
}; |
}; |
56 |
|
|
57 |
static int16_t intra_matrix_fix[64] = { |
uint16_t intra_matrix_fixfix[64] = { |
58 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
59 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
60 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
61 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
62 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
63 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
64 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
65 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
66 |
|
}; |
67 |
|
|
68 |
|
uint16_t inter_matrix_fixfix[64] = { |
69 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
70 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
71 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
72 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
73 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
74 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
75 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
76 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
77 |
|
}; |
78 |
|
|
79 |
|
uint16_t intra_matrix1[64] = { |
80 |
|
8>>1, 17>>1, 18>>1, 19>>1, 21>>1, 23>>1, 25>>1, 27>>1, |
81 |
|
17>>1, 18>>1, 19>>1, 21>>1, 23>>1, 25>>1, 27>>1, 28>>1, |
82 |
|
20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, |
83 |
|
21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, |
84 |
|
22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, |
85 |
|
23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, |
86 |
|
25>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, 41>>1, |
87 |
|
27>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, 41>>1, 45>>1 |
88 |
|
}; |
89 |
|
|
90 |
|
|
91 |
|
uint16_t intra_matrix_fix[64] = { |
92 |
FIX(8), FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), |
FIX(8), FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), |
93 |
FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), FIX(28), |
FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), FIX(28), |
94 |
FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), |
FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), |
99 |
FIX(27), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), FIX(45) |
FIX(27), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), FIX(45) |
100 |
}; |
}; |
101 |
|
|
102 |
static uint8_t const default_inter_matrix[64] = { |
uint16_t intra_matrix_fixl[64] = { |
103 |
|
FIXL(8), FIXL(17), FIXL(18), FIXL(19), FIXL(21), FIXL(23), FIXL(25), FIXL(27), |
104 |
|
FIXL(17), FIXL(18), FIXL(19), FIXL(21), FIXL(23), FIXL(25), FIXL(27), FIXL(28), |
105 |
|
FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), |
106 |
|
FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), |
107 |
|
FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), |
108 |
|
FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), |
109 |
|
FIXL(25), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), FIXL(41), |
110 |
|
FIXL(27), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), FIXL(41), FIXL(45) |
111 |
|
}; |
112 |
|
|
113 |
|
uint16_t inter_matrix_fixl[64] = { |
114 |
|
FIXL(16), FIXL(17), FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), |
115 |
|
FIXL(17), FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), |
116 |
|
FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(25), |
117 |
|
FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), |
118 |
|
FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(25), FIXL(26), FIXL(27), FIXL(28), |
119 |
|
FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), FIXL(28), FIXL(30), |
120 |
|
FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), FIXL(28), FIXL(30), FIXL(31), |
121 |
|
FIXL(23), FIXL(24), FIXL(25), FIXL(27), FIXL(28), FIXL(30), FIXL(31), FIXL(33) |
122 |
|
}; |
123 |
|
|
124 |
|
uint8_t default_inter_matrix[64] = { |
125 |
16, 17, 18, 19, 20, 21, 22, 23, |
16, 17, 18, 19, 20, 21, 22, 23, |
126 |
17, 18, 19, 20, 21, 22, 23, 24, |
17, 18, 19, 20, 21, 22, 23, 24, |
127 |
18, 19, 20, 21, 22, 23, 24, 25, |
18, 19, 20, 21, 22, 23, 24, 25, |
132 |
23, 24, 25, 27, 28, 30, 31, 33 |
23, 24, 25, 27, 28, 30, 31, 33 |
133 |
}; |
}; |
134 |
|
|
135 |
static int16_t inter_matrix[64] = { |
int16_t inter_matrix[64] = { |
136 |
16, 17, 18, 19, 20, 21, 22, 23, |
16, 17, 18, 19, 20, 21, 22, 23, |
137 |
17, 18, 19, 20, 21, 22, 23, 24, |
17, 18, 19, 20, 21, 22, 23, 24, |
138 |
18, 19, 20, 21, 22, 23, 24, 25, |
18, 19, 20, 21, 22, 23, 24, 25, |
142 |
22, 23, 24, 26, 27, 28, 30, 31, |
22, 23, 24, 26, 27, 28, 30, 31, |
143 |
23, 24, 25, 27, 28, 30, 31, 33 |
23, 24, 25, 27, 28, 30, 31, 33 |
144 |
}; |
}; |
145 |
|
uint16_t inter_matrix1[64] = { |
146 |
|
16>>1, 17>>1, 18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, |
147 |
|
17>>1, 18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, |
148 |
|
18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 25>>1, |
149 |
|
19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 27>>1, |
150 |
|
20>>1, 21>>1, 22>>1, 23>>1, 25>>1, 26>>1, 27>>1, 28>>1, |
151 |
|
21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 27>>1, 28>>1, 30>>1, |
152 |
|
22>>1, 23>>1, 24>>1, 26>>1, 27>>1, 28>>1, 30>>1, 31>>1, |
153 |
|
23>>1, 24>>1, 25>>1, 27>>1, 28>>1, 30>>1, 31>>1, 33>>1 |
154 |
|
}; |
155 |
|
|
156 |
static int16_t inter_matrix_fix[64] = { |
uint16_t inter_matrix_fix[64] = { |
157 |
FIX(16), FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), |
FIX(16), FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), |
158 |
FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), |
FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), |
159 |
FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(25), |
FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(25), |
164 |
FIX(23), FIX(24), FIX(25), FIX(27), FIX(28), FIX(30), FIX(31), FIX(33) |
FIX(23), FIX(24), FIX(25), FIX(27), FIX(28), FIX(30), FIX(31), FIX(33) |
165 |
}; |
}; |
166 |
|
|
|
/***************************************************************************** |
|
|
* Functions |
|
|
****************************************************************************/ |
|
|
|
|
167 |
uint8_t |
uint8_t |
168 |
get_intra_matrix_status(void) |
get_intra_matrix_status(void) |
169 |
{ |
{ |
225 |
if (intra_matrix[i] != matrix[i]) |
if (intra_matrix[i] != matrix[i]) |
226 |
change = 1; |
change = 1; |
227 |
|
|
228 |
intra_matrix[i] = (int16_t) matrix[i]; |
intra_matrix1[i] = ((intra_matrix[i] = (int16_t) matrix[i])>>1); |
229 |
|
intra_matrix1[i] += ((intra_matrix[i] == 1) ? 1: 0); |
230 |
intra_matrix_fix[i] = FIX(intra_matrix[i]); |
intra_matrix_fix[i] = FIX(intra_matrix[i]); |
231 |
|
intra_matrix_fixl[i] = FIXL(intra_matrix[i]); |
232 |
} |
} |
233 |
return custom_intra_matrix | change; |
return custom_intra_matrix | change; |
234 |
} |
} |
247 |
if (inter_matrix[i] != matrix[i]) |
if (inter_matrix[i] != matrix[i]) |
248 |
change = 1; |
change = 1; |
249 |
|
|
250 |
inter_matrix[i] = (int16_t) matrix[i]; |
inter_matrix1[i] = ((inter_matrix[i] = (int16_t) matrix[i])>>1); |
251 |
|
inter_matrix1[i] += ((inter_matrix[i] == 1) ? 1: 0); |
252 |
inter_matrix_fix[i] = FIX(inter_matrix[i]); |
inter_matrix_fix[i] = FIX(inter_matrix[i]); |
253 |
|
inter_matrix_fixl[i] = FIXL(inter_matrix[i]); |
254 |
} |
} |
255 |
return custom_inter_matrix | change; |
return custom_inter_matrix | change; |
256 |
} |
} |