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1 : | edgomez | 1382 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - QPel interpolation - | ||
5 : | * | ||
6 : | * Copyright(C) 2003 Pascal Massimino <skal@planet-d.net> | ||
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: qpel.c,v 1.2 2004-03-22 22:36:23 edgomez Exp $ | ||
23 : | * | ||
24 : | ****************************************************************************/ | ||
25 : | |||
26 : | #ifndef XVID_AUTO_INCLUDE | ||
27 : | |||
28 : | #include "../portab.h" | ||
29 : | #include "qpel.h" | ||
30 : | |||
31 : | /* Quarterpel FIR definition | ||
32 : | ****************************************************************************/ | ||
33 : | |||
34 : | static const int32_t FIR_Tab_8[9][8] = { | ||
35 : | { 14, -3, 2, -1, 0, 0, 0, 0 }, | ||
36 : | { 23, 19, -6, 3, -1, 0, 0, 0 }, | ||
37 : | { -7, 20, 20, -6, 3, -1, 0, 0 }, | ||
38 : | { 3, -6, 20, 20, -6, 3, -1, 0 }, | ||
39 : | { -1, 3, -6, 20, 20, -6, 3, -1 }, | ||
40 : | { 0, -1, 3, -6, 20, 20, -6, 3 }, | ||
41 : | { 0, 0, -1, 3, -6, 20, 20, -7 }, | ||
42 : | { 0, 0, 0, -1, 3, -6, 19, 23 }, | ||
43 : | { 0, 0, 0, 0, -1, 2, -3, 14 } | ||
44 : | }; | ||
45 : | |||
46 : | static const int32_t FIR_Tab_16[17][16] = { | ||
47 : | { 14, -3, 2, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, | ||
48 : | { 23, 19, -6, 3, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, | ||
49 : | { -7, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, | ||
50 : | { 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, | ||
51 : | { -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0, 0, 0, 0 }, | ||
52 : | { 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0, 0, 0 }, | ||
53 : | { 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0, 0 }, | ||
54 : | { 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0, 0 }, | ||
55 : | { 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0, 0 }, | ||
56 : | { 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0, 0 }, | ||
57 : | { 0, 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0, 0 }, | ||
58 : | { 0, 0, 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1, 0 }, | ||
59 : | { 0, 0, 0, 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3, -1 }, | ||
60 : | { 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -6, 3 }, | ||
61 : | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 3, -6, 20, 20, -7 }, | ||
62 : | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 3, -6, 19, 23 }, | ||
63 : | { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 2, -3, 14 } | ||
64 : | }; | ||
65 : | |||
66 : | /* Implementation | ||
67 : | ****************************************************************************/ | ||
68 : | |||
69 : | #define XVID_AUTO_INCLUDE | ||
70 : | |||
71 : | /* 16x? filters */ | ||
72 : | |||
73 : | #define SIZE 16 | ||
74 : | #define TABLE FIR_Tab_16 | ||
75 : | |||
76 : | #define STORE(d,s) (d) = (s) | ||
77 : | #define FUNC_H H_Pass_16_C | ||
78 : | #define FUNC_V V_Pass_16_C | ||
79 : | #define FUNC_HA H_Pass_Avrg_16_C | ||
80 : | #define FUNC_VA V_Pass_Avrg_16_C | ||
81 : | #define FUNC_HA_UP H_Pass_Avrg_Up_16_C | ||
82 : | #define FUNC_VA_UP V_Pass_Avrg_Up_16_C | ||
83 : | |||
84 : | #include __FILE__ /* self-include ourself */ | ||
85 : | |||
86 : | /* note: B-frame always uses Rnd=0... */ | ||
87 : | #define STORE(d,s) (d) = ( (s)+(d)+1 ) >> 1 | ||
88 : | #define FUNC_H H_Pass_16_Add_C | ||
89 : | #define FUNC_V V_Pass_16_Add_C | ||
90 : | #define FUNC_HA H_Pass_Avrg_16_Add_C | ||
91 : | #define FUNC_VA V_Pass_Avrg_16_Add_C | ||
92 : | #define FUNC_HA_UP H_Pass_Avrg_Up_16_Add_C | ||
93 : | #define FUNC_VA_UP V_Pass_Avrg_Up_16_Add_C | ||
94 : | |||
95 : | #include __FILE__ /* self-include ourself */ | ||
96 : | |||
97 : | #undef SIZE | ||
98 : | #undef TABLE | ||
99 : | |||
100 : | /* 8x? filters */ | ||
101 : | |||
102 : | #define SIZE 8 | ||
103 : | #define TABLE FIR_Tab_8 | ||
104 : | |||
105 : | #define STORE(d,s) (d) = (s) | ||
106 : | #define FUNC_H H_Pass_8_C | ||
107 : | #define FUNC_V V_Pass_8_C | ||
108 : | #define FUNC_HA H_Pass_Avrg_8_C | ||
109 : | #define FUNC_VA V_Pass_Avrg_8_C | ||
110 : | #define FUNC_HA_UP H_Pass_Avrg_Up_8_C | ||
111 : | #define FUNC_VA_UP V_Pass_Avrg_Up_8_C | ||
112 : | |||
113 : | #include __FILE__ /* self-include ourself */ | ||
114 : | |||
115 : | /* note: B-frame always uses Rnd=0... */ | ||
116 : | #define STORE(d,s) (d) = ( (s)+(d)+1 ) >> 1 | ||
117 : | #define FUNC_H H_Pass_8_Add_C | ||
118 : | #define FUNC_V V_Pass_8_Add_C | ||
119 : | #define FUNC_HA H_Pass_Avrg_8_Add_C | ||
120 : | #define FUNC_VA V_Pass_Avrg_8_Add_C | ||
121 : | #define FUNC_HA_UP H_Pass_Avrg_Up_8_Add_C | ||
122 : | #define FUNC_VA_UP V_Pass_Avrg_Up_8_Add_C | ||
123 : | |||
124 : | #include __FILE__ /* self-include ourself */ | ||
125 : | |||
126 : | #undef SIZE | ||
127 : | #undef TABLE | ||
128 : | |||
129 : | #undef XVID_AUTO_INCLUDE | ||
130 : | |||
131 : | /* general-purpose hooks | ||
132 : | * TODO: embed in enc/dec structure? | ||
133 : | ****************************************************************************/ | ||
134 : | |||
135 : | XVID_QP_FUNCS *xvid_QP_Funcs = 0; | ||
136 : | XVID_QP_FUNCS *xvid_QP_Add_Funcs = 0; | ||
137 : | |||
138 : | /* plain C impl. declaration | ||
139 : | * TODO: should be declared elsewhere? | ||
140 : | ****************************************************************************/ | ||
141 : | |||
142 : | XVID_QP_FUNCS xvid_QP_Funcs_C = { | ||
143 : | H_Pass_16_C, H_Pass_Avrg_16_C, H_Pass_Avrg_Up_16_C, | ||
144 : | V_Pass_16_C, V_Pass_Avrg_16_C, V_Pass_Avrg_Up_16_C, | ||
145 : | |||
146 : | H_Pass_8_C, H_Pass_Avrg_8_C, H_Pass_Avrg_Up_8_C, | ||
147 : | V_Pass_8_C, V_Pass_Avrg_8_C, V_Pass_Avrg_Up_8_C | ||
148 : | }; | ||
149 : | |||
150 : | XVID_QP_FUNCS xvid_QP_Add_Funcs_C = { | ||
151 : | H_Pass_16_Add_C, H_Pass_Avrg_16_Add_C, H_Pass_Avrg_Up_16_Add_C, | ||
152 : | V_Pass_16_Add_C, V_Pass_Avrg_16_Add_C, V_Pass_Avrg_Up_16_Add_C, | ||
153 : | |||
154 : | H_Pass_8_Add_C, H_Pass_Avrg_8_Add_C, H_Pass_Avrg_Up_8_Add_C, | ||
155 : | V_Pass_8_Add_C, V_Pass_Avrg_8_Add_C, V_Pass_Avrg_Up_8_Add_C | ||
156 : | }; | ||
157 : | |||
158 : | /* mmx impl. declaration (see. qpel_mmx.asm | ||
159 : | * TODO: should be declared elsewhere? | ||
160 : | ****************************************************************************/ | ||
161 : | |||
162 : | #ifdef ARCH_IS_IA32 | ||
163 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_16_mmx); | ||
164 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_16_mmx); | ||
165 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_Up_16_mmx); | ||
166 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_16_mmx); | ||
167 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_16_mmx); | ||
168 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_Up_16_mmx); | ||
169 : | |||
170 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_8_mmx); | ||
171 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_8_mmx); | ||
172 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_Up_8_mmx); | ||
173 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_8_mmx); | ||
174 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_8_mmx); | ||
175 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_Up_8_mmx); | ||
176 : | |||
177 : | XVID_QP_FUNCS xvid_QP_Funcs_mmx = { | ||
178 : | xvid_H_Pass_16_mmx, xvid_H_Pass_Avrg_16_mmx, xvid_H_Pass_Avrg_Up_16_mmx, | ||
179 : | xvid_V_Pass_16_mmx, xvid_V_Pass_Avrg_16_mmx, xvid_V_Pass_Avrg_Up_16_mmx, | ||
180 : | |||
181 : | xvid_H_Pass_8_mmx, xvid_H_Pass_Avrg_8_mmx, xvid_H_Pass_Avrg_Up_8_mmx, | ||
182 : | xvid_V_Pass_8_mmx, xvid_V_Pass_Avrg_8_mmx, xvid_V_Pass_Avrg_Up_8_mmx | ||
183 : | }; | ||
184 : | |||
185 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Add_16_mmx); | ||
186 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_Add_16_mmx); | ||
187 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_Up_Add_16_mmx); | ||
188 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Add_16_mmx); | ||
189 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_Add_16_mmx); | ||
190 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_Up_Add_16_mmx); | ||
191 : | |||
192 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_8_Add_mmx); | ||
193 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_8_Add_mmx); | ||
194 : | extern XVID_QP_PASS_SIGNATURE(xvid_H_Pass_Avrg_Up_8_Add_mmx); | ||
195 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_8_Add_mmx); | ||
196 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_8_Add_mmx); | ||
197 : | extern XVID_QP_PASS_SIGNATURE(xvid_V_Pass_Avrg_Up_8_Add_mmx); | ||
198 : | |||
199 : | XVID_QP_FUNCS xvid_QP_Add_Funcs_mmx = { | ||
200 : | xvid_H_Pass_Add_16_mmx, xvid_H_Pass_Avrg_Add_16_mmx, xvid_H_Pass_Avrg_Up_Add_16_mmx, | ||
201 : | xvid_V_Pass_Add_16_mmx, xvid_V_Pass_Avrg_Add_16_mmx, xvid_V_Pass_Avrg_Up_Add_16_mmx, | ||
202 : | |||
203 : | xvid_H_Pass_8_Add_mmx, xvid_H_Pass_Avrg_8_Add_mmx, xvid_H_Pass_Avrg_Up_8_Add_mmx, | ||
204 : | xvid_V_Pass_8_Add_mmx, xvid_V_Pass_Avrg_8_Add_mmx, xvid_V_Pass_Avrg_Up_8_Add_mmx, | ||
205 : | }; | ||
206 : | #endif /* ARCH_IS_IA32 */ | ||
207 : | |||
208 : | /* tables for ASM | ||
209 : | ****************************************************************************/ | ||
210 : | |||
211 : | #ifdef ARCH_IS_IA32 | ||
212 : | uint16_t xvid_Expand_mmx[256][4]; /* 8b -> 64b expansion table */ | ||
213 : | #endif | ||
214 : | |||
215 : | /* Alternate way of filtering (cf. USE_TABLES flag in qpel_mmx.asm) | ||
216 : | * | ||
217 : | * 17 tables, 2K each => 34K | ||
218 : | * Mirroring can be acheived composing 11 basic tables | ||
219 : | * (for instance: (23,19,-6,3)=(20,20,-6,3)+(3,-1,0,0) | ||
220 : | * Using Symmetries (and bswap) could reduce further | ||
221 : | * the memory to 7 tables (->14K). */ | ||
222 : | |||
223 : | int16_t xvid_FIR_1_0_0_0[256][4]; | ||
224 : | int16_t xvid_FIR_3_1_0_0[256][4]; | ||
225 : | int16_t xvid_FIR_6_3_1_0[256][4]; | ||
226 : | int16_t xvid_FIR_14_3_2_1[256][4]; | ||
227 : | int16_t xvid_FIR_20_6_3_1[256][4]; | ||
228 : | int16_t xvid_FIR_20_20_6_3[256][4]; | ||
229 : | int16_t xvid_FIR_23_19_6_3[256][4]; | ||
230 : | int16_t xvid_FIR_7_20_20_6[256][4]; | ||
231 : | int16_t xvid_FIR_6_20_20_6[256][4]; | ||
232 : | int16_t xvid_FIR_6_20_20_7[256][4]; | ||
233 : | int16_t xvid_FIR_3_6_20_20[256][4]; | ||
234 : | int16_t xvid_FIR_3_6_19_23[256][4]; | ||
235 : | int16_t xvid_FIR_1_3_6_20[256][4]; | ||
236 : | int16_t xvid_FIR_1_2_3_14[256][4]; | ||
237 : | int16_t xvid_FIR_0_1_3_6[256][4]; | ||
238 : | int16_t xvid_FIR_0_0_1_3[256][4]; | ||
239 : | int16_t xvid_FIR_0_0_0_1[256][4]; | ||
240 : | |||
241 : | static void Init_FIR_Table(int16_t Tab[][4], | ||
242 : | int A, int B, int C, int D) | ||
243 : | { | ||
244 : | int i; | ||
245 : | for(i=0; i<256; ++i) { | ||
246 : | Tab[i][0] = i*A; | ||
247 : | Tab[i][1] = i*B; | ||
248 : | Tab[i][2] = i*C; | ||
249 : | Tab[i][3] = i*D; | ||
250 : | } | ||
251 : | } | ||
252 : | |||
253 : | |||
254 : | void xvid_Init_QP() | ||
255 : | { | ||
256 : | #ifdef ARCH_IS_IA32 | ||
257 : | int i; | ||
258 : | |||
259 : | for(i=0; i<256; ++i) { | ||
260 : | xvid_Expand_mmx[i][0] = i; | ||
261 : | xvid_Expand_mmx[i][1] = i; | ||
262 : | xvid_Expand_mmx[i][2] = i; | ||
263 : | xvid_Expand_mmx[i][3] = i; | ||
264 : | } | ||
265 : | #endif | ||
266 : | |||
267 : | /* Alternate way of filtering (cf. USE_TABLES flag in qpel_mmx.asm) */ | ||
268 : | |||
269 : | Init_FIR_Table(xvid_FIR_1_0_0_0, -1, 0, 0, 0); | ||
270 : | Init_FIR_Table(xvid_FIR_3_1_0_0, 3, -1, 0, 0); | ||
271 : | Init_FIR_Table(xvid_FIR_6_3_1_0, -6, 3, -1, 0); | ||
272 : | Init_FIR_Table(xvid_FIR_14_3_2_1, 14, -3, 2, -1); | ||
273 : | Init_FIR_Table(xvid_FIR_20_6_3_1, 20, -6, 3, -1); | ||
274 : | Init_FIR_Table(xvid_FIR_20_20_6_3, 20, 20, -6, 3); | ||
275 : | Init_FIR_Table(xvid_FIR_23_19_6_3, 23, 19, -6, 3); | ||
276 : | Init_FIR_Table(xvid_FIR_7_20_20_6, -7, 20, 20, -6); | ||
277 : | Init_FIR_Table(xvid_FIR_6_20_20_6, -6, 20, 20, -6); | ||
278 : | Init_FIR_Table(xvid_FIR_6_20_20_7, -6, 20, 20, -7); | ||
279 : | Init_FIR_Table(xvid_FIR_3_6_20_20, 3, -6, 20, 20); | ||
280 : | Init_FIR_Table(xvid_FIR_3_6_19_23, 3, -6, 19, 23); | ||
281 : | Init_FIR_Table(xvid_FIR_1_3_6_20, -1, 3, -6, 20); | ||
282 : | Init_FIR_Table(xvid_FIR_1_2_3_14, -1, 2, -3, 14); | ||
283 : | Init_FIR_Table(xvid_FIR_0_1_3_6, 0, -1, 3, -6); | ||
284 : | Init_FIR_Table(xvid_FIR_0_0_1_3, 0, 0, -1, 3); | ||
285 : | Init_FIR_Table(xvid_FIR_0_0_0_1, 0, 0, 0, -1); | ||
286 : | |||
287 : | } | ||
288 : | |||
289 : | #endif /* !XVID_AUTO_INCLUDE */ | ||
290 : | |||
291 : | /***************************************************************************** | ||
292 : | * "reference" filters impl. in plain C | ||
293 : | ****************************************************************************/ | ||
294 : | |||
295 : | #ifdef XVID_AUTO_INCLUDE | ||
296 : | |||
297 : | static | ||
298 : | void FUNC_H(uint8_t *Dst, const uint8_t *Src, int32_t H, int32_t BpS, int32_t Rnd) | ||
299 : | { | ||
300 : | while(H-->0) { | ||
301 : | int32_t i, k; | ||
302 : | int32_t Sums[SIZE] = { 0 }; | ||
303 : | for(i=0; i<=SIZE; ++i) | ||
304 : | for(k=0; k<SIZE; ++k) | ||
305 : | Sums[k] += TABLE[i][k] * Src[i]; | ||
306 : | |||
307 : | for(i=0; i<SIZE; ++i) { | ||
308 : | int32_t C = ( Sums[i] + 16-Rnd ) >> 5; | ||
309 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
310 : | STORE(Dst[i], C); | ||
311 : | } | ||
312 : | Src += BpS; | ||
313 : | Dst += BpS; | ||
314 : | } | ||
315 : | } | ||
316 : | |||
317 : | static | ||
318 : | void FUNC_V(uint8_t *Dst, const uint8_t *Src, int32_t W, int32_t BpS, int32_t Rnd) | ||
319 : | { | ||
320 : | while(W-->0) { | ||
321 : | int32_t i, k; | ||
322 : | int32_t Sums[SIZE] = { 0 }; | ||
323 : | const uint8_t *S = Src++; | ||
324 : | uint8_t *D = Dst++; | ||
325 : | for(i=0; i<=SIZE; ++i) { | ||
326 : | for(k=0; k<SIZE; ++k) | ||
327 : | Sums[k] += TABLE[i][k] * S[0]; | ||
328 : | S += BpS; | ||
329 : | } | ||
330 : | |||
331 : | for(i=0; i<SIZE; ++i) { | ||
332 : | int32_t C = ( Sums[i] + 16-Rnd )>>5; | ||
333 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
334 : | STORE(D[0], C); | ||
335 : | D += BpS; | ||
336 : | } | ||
337 : | } | ||
338 : | } | ||
339 : | |||
340 : | static | ||
341 : | void FUNC_HA(uint8_t *Dst, const uint8_t *Src, int32_t H, int32_t BpS, int32_t Rnd) | ||
342 : | { | ||
343 : | while(H-->0) { | ||
344 : | int32_t i, k; | ||
345 : | int32_t Sums[SIZE] = { 0 }; | ||
346 : | for(i=0; i<=SIZE; ++i) | ||
347 : | for(k=0; k<SIZE; ++k) | ||
348 : | Sums[k] += TABLE[i][k] * Src[i]; | ||
349 : | |||
350 : | for(i=0; i<SIZE; ++i) { | ||
351 : | int32_t C = ( Sums[i] + 16-Rnd ) >> 5; | ||
352 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
353 : | C = (C+Src[i]+1-Rnd) >> 1; | ||
354 : | STORE(Dst[i], C); | ||
355 : | } | ||
356 : | Src += BpS; | ||
357 : | Dst += BpS; | ||
358 : | } | ||
359 : | } | ||
360 : | |||
361 : | static | ||
362 : | void FUNC_HA_UP(uint8_t *Dst, const uint8_t *Src, int32_t H, int32_t BpS, int32_t Rnd) | ||
363 : | { | ||
364 : | while(H-->0) { | ||
365 : | int32_t i, k; | ||
366 : | int32_t Sums[SIZE] = { 0 }; | ||
367 : | for(i=0; i<=SIZE; ++i) | ||
368 : | for(k=0; k<SIZE; ++k) | ||
369 : | Sums[k] += TABLE[i][k] * Src[i]; | ||
370 : | |||
371 : | for(i=0; i<SIZE; ++i) { | ||
372 : | int32_t C = ( Sums[i] + 16-Rnd ) >> 5; | ||
373 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
374 : | C = (C+Src[i+1]+1-Rnd) >> 1; | ||
375 : | STORE(Dst[i], C); | ||
376 : | } | ||
377 : | Src += BpS; | ||
378 : | Dst += BpS; | ||
379 : | } | ||
380 : | } | ||
381 : | |||
382 : | static | ||
383 : | void FUNC_VA(uint8_t *Dst, const uint8_t *Src, int32_t W, int32_t BpS, int32_t Rnd) | ||
384 : | { | ||
385 : | while(W-->0) { | ||
386 : | int32_t i, k; | ||
387 : | int32_t Sums[SIZE] = { 0 }; | ||
388 : | const uint8_t *S = Src; | ||
389 : | uint8_t *D = Dst; | ||
390 : | |||
391 : | for(i=0; i<=SIZE; ++i) { | ||
392 : | for(k=0; k<SIZE; ++k) | ||
393 : | Sums[k] += TABLE[i][k] * S[0]; | ||
394 : | S += BpS; | ||
395 : | } | ||
396 : | |||
397 : | S = Src; | ||
398 : | for(i=0; i<SIZE; ++i) { | ||
399 : | int32_t C = ( Sums[i] + 16-Rnd )>>5; | ||
400 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
401 : | C = ( C+S[0]+1-Rnd ) >> 1; | ||
402 : | STORE(D[0], C); | ||
403 : | D += BpS; | ||
404 : | S += BpS; | ||
405 : | } | ||
406 : | Src++; | ||
407 : | Dst++; | ||
408 : | } | ||
409 : | } | ||
410 : | |||
411 : | static | ||
412 : | void FUNC_VA_UP(uint8_t *Dst, const uint8_t *Src, int32_t W, int32_t BpS, int32_t Rnd) | ||
413 : | { | ||
414 : | while(W-->0) { | ||
415 : | int32_t i, k; | ||
416 : | int32_t Sums[SIZE] = { 0 }; | ||
417 : | const uint8_t *S = Src; | ||
418 : | uint8_t *D = Dst; | ||
419 : | |||
420 : | for(i=0; i<=SIZE; ++i) { | ||
421 : | for(k=0; k<SIZE; ++k) | ||
422 : | Sums[k] += TABLE[i][k] * S[0]; | ||
423 : | S += BpS; | ||
424 : | } | ||
425 : | |||
426 : | S = Src + BpS; | ||
427 : | for(i=0; i<SIZE; ++i) { | ||
428 : | int32_t C = ( Sums[i] + 16-Rnd )>>5; | ||
429 : | if (C<0) C = 0; else if (C>255) C = 255; | ||
430 : | C = ( C+S[0]+1-Rnd ) >> 1; | ||
431 : | STORE(D[0], C); | ||
432 : | D += BpS; | ||
433 : | S += BpS; | ||
434 : | } | ||
435 : | Dst++; | ||
436 : | Src++; | ||
437 : | } | ||
438 : | } | ||
439 : | |||
440 : | #undef STORE | ||
441 : | #undef FUNC_H | ||
442 : | #undef FUNC_V | ||
443 : | #undef FUNC_HA | ||
444 : | #undef FUNC_VA | ||
445 : | #undef FUNC_HA_UP | ||
446 : | #undef FUNC_VA_UP | ||
447 : | |||
448 : | #endif /* XVID_AUTO_INCLUDE */ |
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