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1 : | edgomez | 1.13.2.1 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - Quantization matrix management code - | ||
5 : | * | ||
6 : | * Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> | ||
7 : | * 2002 Peter Ross <pross@xvid.org> | ||
8 : | * | ||
9 : | * 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 | ||
11 : | * the Free Software Foundation ; either version 2 of the License, or | ||
12 : | * (at your option) any later version. | ||
13 : | * | ||
14 : | * This program is distributed in the hope that it will be useful, | ||
15 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
16 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 : | * GNU General Public License for more details. | ||
18 : | * | ||
19 : | * You should have received a copy of the GNU General Public License | ||
20 : | * along with this program ; if not, write to the Free Software | ||
21 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | * | ||
23 : | * $Id$ | ||
24 : | * | ||
25 : | ****************************************************************************/ | ||
26 : | |||
27 : | Isibaar | 1.2 | #include "quant_matrix.h" |
28 : | Isibaar | 1.1 | |
29 : | edgomez | 1.13 | #define FIX(X) (((X)==1) ? 0xFFFF : ((1UL << 16) / (X) + 1)) |
30 : | #define FIXL(X) ((1UL << 16) / (X) - 1) | ||
31 : | edgomez | 1.6 | |
32 : | edgomez | 1.13.2.2 | static uint8_t custom_intra_matrix = 0; |
33 : | static uint8_t custom_inter_matrix = 0; | ||
34 : | Isibaar | 1.3 | |
35 : | edgomez | 1.13.2.2 | /***************************************************************************** |
36 : | * Default matrices | ||
37 : | ****************************************************************************/ | ||
38 : | |||
39 : | static const uint8_t default_intra_matrix[64] = { | ||
40 : | 8, 17, 18, 19, 21, 23, 25, 27, | ||
41 : | edgomez | 1.5 | 17, 18, 19, 21, 23, 25, 27, 28, |
42 : | 20, 21, 22, 23, 24, 26, 28, 30, | ||
43 : | 21, 22, 23, 24, 26, 28, 30, 32, | ||
44 : | 22, 23, 24, 26, 28, 30, 32, 35, | ||
45 : | 23, 24, 26, 28, 30, 32, 35, 38, | ||
46 : | 25, 26, 28, 30, 32, 35, 38, 41, | ||
47 : | 27, 28, 30, 32, 35, 38, 41, 45 | ||
48 : | Isibaar | 1.3 | }; |
49 : | Isibaar | 1.1 | |
50 : | edgomez | 1.13.2.2 | static const uint8_t default_inter_matrix[64] = { |
51 : | 16, 17, 18, 19, 20, 21, 22, 23, | ||
52 : | 17, 18, 19, 20, 21, 22, 23, 24, | ||
53 : | 18, 19, 20, 21, 22, 23, 24, 25, | ||
54 : | 19, 20, 21, 22, 23, 24, 26, 27, | ||
55 : | 20, 21, 22, 23, 25, 26, 27, 28, | ||
56 : | 21, 22, 23, 24, 26, 27, 28, 30, | ||
57 : | 22, 23, 24, 26, 27, 28, 30, 31, | ||
58 : | 23, 24, 25, 27, 28, 30, 31, 33 | ||
59 : | }; | ||
60 : | |||
61 : | edgomez | 1.7 | int16_t intra_matrix[64] = { |
62 : | edgomez | 1.13.2.2 | 8, 17, 18, 19, 21, 23, 25, 27, |
63 : | edgomez | 1.5 | 17, 18, 19, 21, 23, 25, 27, 28, |
64 : | 20, 21, 22, 23, 24, 26, 28, 30, | ||
65 : | 21, 22, 23, 24, 26, 28, 30, 32, | ||
66 : | 22, 23, 24, 26, 28, 30, 32, 35, | ||
67 : | 23, 24, 26, 28, 30, 32, 35, 38, | ||
68 : | 25, 26, 28, 30, 32, 35, 38, 41, | ||
69 : | 27, 28, 30, 32, 35, 38, 41, 45 | ||
70 : | Isibaar | 1.1 | }; |
71 : | |||
72 : | edgomez | 1.13 | uint16_t intra_matrix_fixfix[64] = { |
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 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
78 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
79 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
80 : | 0, 0, 0, 0, 0, 0, 0, 0 | ||
81 : | }; | ||
82 : | |||
83 : | uint16_t inter_matrix_fixfix[64] = { | ||
84 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
85 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
86 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
87 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
88 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
89 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
90 : | 0, 0, 0, 0, 0, 0, 0, 0, | ||
91 : | 0, 0, 0, 0, 0, 0, 0, 0 | ||
92 : | }; | ||
93 : | |||
94 : | uint16_t intra_matrix1[64] = { | ||
95 : | edgomez | 1.13.2.2 | 8>>1, 17>>1, 18>>1, 19>>1, 21>>1, 23>>1, 25>>1, 27>>1, |
96 : | edgomez | 1.13 | 17>>1, 18>>1, 19>>1, 21>>1, 23>>1, 25>>1, 27>>1, 28>>1, |
97 : | 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, | ||
98 : | 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, | ||
99 : | 22>>1, 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, | ||
100 : | 23>>1, 24>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, | ||
101 : | 25>>1, 26>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, 41>>1, | ||
102 : | 27>>1, 28>>1, 30>>1, 32>>1, 35>>1, 38>>1, 41>>1, 45>>1 | ||
103 : | }; | ||
104 : | |||
105 : | |||
106 : | uint16_t intra_matrix_fix[64] = { | ||
107 : | edgomez | 1.5 | FIX(8), FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), |
108 : | FIX(17), FIX(18), FIX(19), FIX(21), FIX(23), FIX(25), FIX(27), FIX(28), | ||
109 : | FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), | ||
110 : | FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), | ||
111 : | FIX(22), FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), | ||
112 : | FIX(23), FIX(24), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), | ||
113 : | FIX(25), FIX(26), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), | ||
114 : | FIX(27), FIX(28), FIX(30), FIX(32), FIX(35), FIX(38), FIX(41), FIX(45) | ||
115 : | Isibaar | 1.2 | }; |
116 : | |||
117 : | edgomez | 1.13 | uint16_t intra_matrix_fixl[64] = { |
118 : | FIXL(8), FIXL(17), FIXL(18), FIXL(19), FIXL(21), FIXL(23), FIXL(25), FIXL(27), | ||
119 : | FIXL(17), FIXL(18), FIXL(19), FIXL(21), FIXL(23), FIXL(25), FIXL(27), FIXL(28), | ||
120 : | FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), | ||
121 : | FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), | ||
122 : | FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), | ||
123 : | FIXL(23), FIXL(24), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), | ||
124 : | FIXL(25), FIXL(26), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), FIXL(41), | ||
125 : | FIXL(27), FIXL(28), FIXL(30), FIXL(32), FIXL(35), FIXL(38), FIXL(41), FIXL(45) | ||
126 : | }; | ||
127 : | |||
128 : | uint16_t inter_matrix_fixl[64] = { | ||
129 : | FIXL(16), FIXL(17), FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), | ||
130 : | FIXL(17), FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), | ||
131 : | FIXL(18), FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(25), | ||
132 : | FIXL(19), FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), | ||
133 : | FIXL(20), FIXL(21), FIXL(22), FIXL(23), FIXL(25), FIXL(26), FIXL(27), FIXL(28), | ||
134 : | FIXL(21), FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), FIXL(28), FIXL(30), | ||
135 : | FIXL(22), FIXL(23), FIXL(24), FIXL(26), FIXL(27), FIXL(28), FIXL(30), FIXL(31), | ||
136 : | FIXL(23), FIXL(24), FIXL(25), FIXL(27), FIXL(28), FIXL(30), FIXL(31), FIXL(33) | ||
137 : | }; | ||
138 : | |||
139 : | edgomez | 1.7 | int16_t inter_matrix[64] = { |
140 : | edgomez | 1.5 | 16, 17, 18, 19, 20, 21, 22, 23, |
141 : | 17, 18, 19, 20, 21, 22, 23, 24, | ||
142 : | 18, 19, 20, 21, 22, 23, 24, 25, | ||
143 : | 19, 20, 21, 22, 23, 24, 26, 27, | ||
144 : | 20, 21, 22, 23, 25, 26, 27, 28, | ||
145 : | 21, 22, 23, 24, 26, 27, 28, 30, | ||
146 : | 22, 23, 24, 26, 27, 28, 30, 31, | ||
147 : | 23, 24, 25, 27, 28, 30, 31, 33 | ||
148 : | Isibaar | 1.1 | }; |
149 : | edgomez | 1.13.2.2 | |
150 : | edgomez | 1.13 | uint16_t inter_matrix1[64] = { |
151 : | 16>>1, 17>>1, 18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, | ||
152 : | 17>>1, 18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, | ||
153 : | 18>>1, 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 25>>1, | ||
154 : | 19>>1, 20>>1, 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 27>>1, | ||
155 : | 20>>1, 21>>1, 22>>1, 23>>1, 25>>1, 26>>1, 27>>1, 28>>1, | ||
156 : | 21>>1, 22>>1, 23>>1, 24>>1, 26>>1, 27>>1, 28>>1, 30>>1, | ||
157 : | 22>>1, 23>>1, 24>>1, 26>>1, 27>>1, 28>>1, 30>>1, 31>>1, | ||
158 : | 23>>1, 24>>1, 25>>1, 27>>1, 28>>1, 30>>1, 31>>1, 33>>1 | ||
159 : | }; | ||
160 : | Isibaar | 1.1 | |
161 : | edgomez | 1.13 | uint16_t inter_matrix_fix[64] = { |
162 : | edgomez | 1.5 | FIX(16), FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), |
163 : | FIX(17), FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), | ||
164 : | FIX(18), FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(25), | ||
165 : | FIX(19), FIX(20), FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), | ||
166 : | FIX(20), FIX(21), FIX(22), FIX(23), FIX(25), FIX(26), FIX(27), FIX(28), | ||
167 : | FIX(21), FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), FIX(28), FIX(30), | ||
168 : | FIX(22), FIX(23), FIX(24), FIX(26), FIX(27), FIX(28), FIX(30), FIX(31), | ||
169 : | FIX(23), FIX(24), FIX(25), FIX(27), FIX(28), FIX(30), FIX(31), FIX(33) | ||
170 : | Isibaar | 1.2 | }; |
171 : | edgomez | 1.6 | |
172 : | edgomez | 1.5 | uint8_t |
173 : | get_intra_matrix_status(void) | ||
174 : | { | ||
175 : | Isibaar | 1.3 | return custom_intra_matrix; |
176 : | Isibaar | 1.2 | } |
177 : | Isibaar | 1.1 | |
178 : | edgomez | 1.5 | uint8_t |
179 : | get_inter_matrix_status(void) | ||
180 : | { | ||
181 : | Isibaar | 1.3 | return custom_inter_matrix; |
182 : | Isibaar | 1.2 | } |
183 : | |||
184 : | edgomez | 1.5 | void |
185 : | set_intra_matrix_status(uint8_t status) | ||
186 : | { | ||
187 : | Isibaar | 1.3 | custom_intra_matrix = status; |
188 : | Isibaar | 1.2 | } |
189 : | Isibaar | 1.1 | |
190 : | edgomez | 1.5 | void |
191 : | set_inter_matrix_status(uint8_t status) | ||
192 : | { | ||
193 : | Isibaar | 1.3 | custom_inter_matrix = status; |
194 : | Isibaar | 1.2 | } |
195 : | Isibaar | 1.1 | |
196 : | edgomez | 1.13.2.2 | const int16_t * |
197 : | edgomez | 1.5 | get_intra_matrix(void) |
198 : | { | ||
199 : | Isibaar | 1.2 | return intra_matrix; |
200 : | Isibaar | 1.1 | } |
201 : | |||
202 : | edgomez | 1.13.2.2 | const int16_t * |
203 : | edgomez | 1.5 | get_inter_matrix(void) |
204 : | { | ||
205 : | Isibaar | 1.4 | return inter_matrix; |
206 : | } | ||
207 : | |||
208 : | edgomez | 1.13.2.2 | const uint8_t * |
209 : | edgomez | 1.5 | get_default_intra_matrix(void) |
210 : | { | ||
211 : | Isibaar | 1.3 | return default_intra_matrix; |
212 : | } | ||
213 : | |||
214 : | edgomez | 1.13.2.2 | const uint8_t * |
215 : | edgomez | 1.5 | get_default_inter_matrix(void) |
216 : | { | ||
217 : | Isibaar | 1.3 | return default_inter_matrix; |
218 : | Isibaar | 1.2 | } |
219 : | Isibaar | 1.1 | |
220 : | edgomez | 1.5 | uint8_t |
221 : | edgomez | 1.13.2.2 | set_intra_matrix(const uint8_t * matrix) |
222 : | Isibaar | 1.1 | { |
223 : | Isibaar | 1.3 | int i, change = 0; |
224 : | edgomez | 1.5 | |
225 : | Isibaar | 1.3 | custom_intra_matrix = 0; |
226 : | Isibaar | 1.2 | |
227 : | edgomez | 1.5 | for (i = 0; i < 64; i++) { |
228 : | if ((int16_t) default_intra_matrix[i] != matrix[i]) | ||
229 : | Isibaar | 1.3 | custom_intra_matrix = 1; |
230 : | edgomez | 1.5 | if (intra_matrix[i] != matrix[i]) |
231 : | Isibaar | 1.3 | change = 1; |
232 : | Isibaar | 1.2 | |
233 : | edgomez | 1.13 | intra_matrix1[i] = ((intra_matrix[i] = (int16_t) matrix[i])>>1); |
234 : | intra_matrix1[i] += ((intra_matrix[i] == 1) ? 1: 0); | ||
235 : | Isibaar | 1.2 | intra_matrix_fix[i] = FIX(intra_matrix[i]); |
236 : | edgomez | 1.13 | intra_matrix_fixl[i] = FIXL(intra_matrix[i]); |
237 : | Isibaar | 1.1 | } |
238 : | edgomez | 1.13 | return custom_intra_matrix | change; |
239 : | Isibaar | 1.2 | } |
240 : | Isibaar | 1.1 | |
241 : | Isibaar | 1.2 | |
242 : | edgomez | 1.5 | uint8_t |
243 : | edgomez | 1.13.2.2 | set_inter_matrix(const uint8_t * matrix) |
244 : | Isibaar | 1.2 | { |
245 : | Isibaar | 1.3 | int i, change = 0; |
246 : | edgomez | 1.5 | |
247 : | Isibaar | 1.3 | custom_inter_matrix = 0; |
248 : | Isibaar | 1.2 | |
249 : | edgomez | 1.5 | for (i = 0; i < 64; i++) { |
250 : | if ((int16_t) default_inter_matrix[i] != matrix[i]) | ||
251 : | Isibaar | 1.3 | custom_inter_matrix = 1; |
252 : | edgomez | 1.5 | if (inter_matrix[i] != matrix[i]) |
253 : | Isibaar | 1.3 | change = 1; |
254 : | Isibaar | 1.2 | |
255 : | edgomez | 1.13 | inter_matrix1[i] = ((inter_matrix[i] = (int16_t) matrix[i])>>1); |
256 : | inter_matrix1[i] += ((inter_matrix[i] == 1) ? 1: 0); | ||
257 : | Isibaar | 1.2 | inter_matrix_fix[i] = FIX(inter_matrix[i]); |
258 : | edgomez | 1.13 | inter_matrix_fixl[i] = FIXL(inter_matrix[i]); |
259 : | Isibaar | 1.2 | } |
260 : | edgomez | 1.13 | return custom_inter_matrix | change; |
261 : | Isibaar | 1.1 | } |
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