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Revision 1.1.2.4 - (view) (download)
1 : | chl | 1.1.2.1 | /************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - Motion estimation header - | ||
5 : | * | ||
6 : | * This program is an implementation of a part of one or more MPEG-4 | ||
7 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
8 : | * to use this software module in hardware or software products are | ||
9 : | * advised that its use may infringe existing patents or copyrights, and | ||
10 : | * any such use would be at such party's own risk. The original | ||
11 : | * developer of this software module and his/her company, and subsequent | ||
12 : | * editors and their companies, will have no liability for use of this | ||
13 : | * software or modifications or derivatives thereof. | ||
14 : | * | ||
15 : | * This program is free software; you can redistribute it and/or modify | ||
16 : | * it under the terms of the GNU General Public License as published by | ||
17 : | * the Free Software Foundation; either version 2 of the License, or | ||
18 : | * (at your option) any later version. | ||
19 : | * | ||
20 : | * This program is distributed in the hope that it will be useful, | ||
21 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
22 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
23 : | * GNU General Public License for more details. | ||
24 : | * | ||
25 : | * You should have received a copy of the GNU General Public License | ||
26 : | * along with this program; if not, write to the Free Software | ||
27 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
28 : | * | ||
29 : | Isibaar | 1.1.2.4 | * $Id: motion_est.h,v 1.1.2.3 2002/10/02 10:16:36 syskin Exp $ |
30 : | chl | 1.1.2.1 | * |
31 : | ***************************************************************************/ | ||
32 : | |||
33 : | #ifndef _MOTION_EST_H_ | ||
34 : | #define _MOTION_EST_H_ | ||
35 : | |||
36 : | #include "../portab.h" | ||
37 : | #include "../global.h" | ||
38 : | |||
39 : | /* hard coded motion search parameters for motion_est and smp_motion_est */ | ||
40 : | |||
41 : | // very large value | ||
42 : | #define MV_MAX_ERROR (4096 * 256) | ||
43 : | |||
44 : | /* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ | ||
45 : | #define MV16_INTER_BIAS 512 | ||
46 : | |||
47 : | /* Parameters which control inter/inter4v decision */ | ||
48 : | #define IMV16X16 2 | ||
49 : | |||
50 : | /* vector map (vlc delta size) smoother parameters ! float !*/ | ||
51 : | #define NEIGH_TEND_16X16 4.0 | ||
52 : | #define NEIGH_TEND_8X8 7.0 | ||
53 : | |||
54 : | static const int lambda_vec16[32] = | ||
55 : | { 0 ,(int)(1.00235 * NEIGH_TEND_16X16 + 0.5), | ||
56 : | (int)(1.15582*NEIGH_TEND_16X16 + 0.5), (int)(1.31976*NEIGH_TEND_16X16 + 0.5), | ||
57 : | (int)(1.49591*NEIGH_TEND_16X16 + 0.5), (int)(1.68601*NEIGH_TEND_16X16 + 0.5), | ||
58 : | (int)(1.89187*NEIGH_TEND_16X16 + 0.5), (int)(2.11542*NEIGH_TEND_16X16 + 0.5), | ||
59 : | (int)(2.35878*NEIGH_TEND_16X16 + 0.5), (int)(2.62429*NEIGH_TEND_16X16 + 0.5), | ||
60 : | (int)(2.91455*NEIGH_TEND_16X16 + 0.5), (int)(3.23253*NEIGH_TEND_16X16 + 0.5), | ||
61 : | (int)(3.58158*NEIGH_TEND_16X16 + 0.5), (int)(3.96555*NEIGH_TEND_16X16 + 0.5), | ||
62 : | (int)(4.38887*NEIGH_TEND_16X16 + 0.5), (int)(4.85673*NEIGH_TEND_16X16 + 0.5), | ||
63 : | (int)(5.37519*NEIGH_TEND_16X16 + 0.5), (int)(5.95144*NEIGH_TEND_16X16 + 0.5), | ||
64 : | (int)(6.59408*NEIGH_TEND_16X16 + 0.5), (int)(7.31349*NEIGH_TEND_16X16 + 0.5), | ||
65 : | (int)(8.12242*NEIGH_TEND_16X16 + 0.5), (int)(9.03669*NEIGH_TEND_16X16 + 0.5), | ||
66 : | (int)(10.0763*NEIGH_TEND_16X16 + 0.5), (int)(11.2669*NEIGH_TEND_16X16 + 0.5), | ||
67 : | (int)(12.6426*NEIGH_TEND_16X16 + 0.5), (int)(14.2493*NEIGH_TEND_16X16 + 0.5), | ||
68 : | (int)(16.1512*NEIGH_TEND_16X16 + 0.5), (int)(18.442*NEIGH_TEND_16X16 + 0.5), | ||
69 : | (int)(21.2656*NEIGH_TEND_16X16 + 0.5), (int)(24.8580*NEIGH_TEND_16X16 + 0.5), | ||
70 : | (int)(29.6436*NEIGH_TEND_16X16 + 0.5), (int)(36.4949*NEIGH_TEND_16X16 + 0.5) }; | ||
71 : | |||
72 : | Isibaar | 1.1.2.2 | static const int lambda_vec8[32] = |
73 : | chl | 1.1.2.1 | { 0 ,(int)(1.00235 * NEIGH_TEND_8X8 + 0.5), |
74 : | (int)(1.15582 + NEIGH_TEND_8X8 + 0.5), (int)(1.31976*NEIGH_TEND_8X8 + 0.5), | ||
75 : | (int)(1.49591*NEIGH_TEND_8X8 + 0.5), (int)(1.68601*NEIGH_TEND_8X8 + 0.5), | ||
76 : | (int)(1.89187*NEIGH_TEND_8X8 + 0.5), (int)(2.11542*NEIGH_TEND_8X8 + 0.5), | ||
77 : | (int)(2.35878*NEIGH_TEND_8X8 + 0.5), (int)(2.62429*NEIGH_TEND_8X8 + 0.5), | ||
78 : | (int)(2.91455*NEIGH_TEND_8X8 + 0.5), (int)(3.23253*NEIGH_TEND_8X8 + 0.5), | ||
79 : | (int)(3.58158*NEIGH_TEND_8X8 + 0.5), (int)(3.96555*NEIGH_TEND_8X8 + 0.5), | ||
80 : | (int)(4.38887*NEIGH_TEND_8X8 + 0.5), (int)(4.85673*NEIGH_TEND_8X8 + 0.5), | ||
81 : | (int)(5.37519*NEIGH_TEND_8X8 + 0.5), (int)(5.95144*NEIGH_TEND_8X8 + 0.5), | ||
82 : | (int)(6.59408*NEIGH_TEND_8X8 + 0.5), (int)(7.31349*NEIGH_TEND_8X8 + 0.5), | ||
83 : | (int)(8.12242*NEIGH_TEND_8X8 + 0.5), (int)(9.03669*NEIGH_TEND_8X8 + 0.5), | ||
84 : | (int)(10.0763*NEIGH_TEND_8X8 + 0.5), (int)(11.2669*NEIGH_TEND_8X8 + 0.5), | ||
85 : | (int)(12.6426*NEIGH_TEND_8X8 + 0.5), (int)(14.2493*NEIGH_TEND_8X8 + 0.5), | ||
86 : | (int)(16.1512*NEIGH_TEND_8X8 + 0.5), (int)(18.442*NEIGH_TEND_8X8 + 0.5), | ||
87 : | (int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5), | ||
88 : | (int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5) }; | ||
89 : | |||
90 : | // mv.length table | ||
91 : | static const uint32_t mvtab[33] = { | ||
92 : | 1, 2, 3, 4, 6, 7, 7, 7, | ||
93 : | 9, 9, 9, 10, 10, 10, 10, 10, | ||
94 : | 10, 10, 10, 10, 10, 10, 10, 10, | ||
95 : | 10, 11, 11, 11, 11, 11, 11, 12, 12 | ||
96 : | }; | ||
97 : | syskin | 1.1.2.3 | |
98 : | static const int DQtab[4] = { | ||
99 : | -1, -2, 1, 2 | ||
100 : | }; | ||
101 : | |||
102 : | chl | 1.1.2.1 | |
103 : | typedef struct | ||
104 : | { | ||
105 : | // general fields | ||
106 : | int max_dx, min_dx, max_dy, min_dy; | ||
107 : | Isibaar | 1.1.2.4 | uint32_t rounding; |
108 : | chl | 1.1.2.1 | VECTOR predMV; |
109 : | Isibaar | 1.1.2.4 | VECTOR predQMV; |
110 : | chl | 1.1.2.1 | VECTOR *currentMV; |
111 : | Isibaar | 1.1.2.4 | VECTOR *currentQMV; |
112 : | chl | 1.1.2.1 | int32_t *iMinSAD; |
113 : | const uint8_t * Ref; | ||
114 : | const uint8_t * RefH; | ||
115 : | const uint8_t * RefV; | ||
116 : | const uint8_t * RefHV; | ||
117 : | Isibaar | 1.1.2.4 | const uint8_t * RefQ; |
118 : | chl | 1.1.2.1 | const uint8_t * Cur; |
119 : | uint32_t iQuant; | ||
120 : | uint32_t iEdgedWidth; | ||
121 : | uint32_t iFcode; | ||
122 : | int * temp; | ||
123 : | //fields for interpolate and direct mode | ||
124 : | const uint8_t *bRef; | ||
125 : | const uint8_t *bRefH; | ||
126 : | const uint8_t *bRefV; | ||
127 : | const uint8_t *bRefHV; | ||
128 : | VECTOR bpredMV; | ||
129 : | uint32_t bFcode; | ||
130 : | // fields for direct mode | ||
131 : | VECTOR directmvF[4]; | ||
132 : | VECTOR directmvB[4]; | ||
133 : | const VECTOR * referencemv; | ||
134 : | } | ||
135 : | SearchData; | ||
136 : | |||
137 : | |||
138 : | typedef void(CheckFunc)(const int x, const int y, | ||
139 : | const int Direction, int * const dir, | ||
140 : | const SearchData * const Data); | ||
141 : | |||
142 : | static CheckFunc CheckCandidate16, CheckCandidate16no4v, CheckCandidateInt, | ||
143 : | CheckCandidateDirect, CheckCandidateDirectno4v, | ||
144 : | CheckCandidate8; | ||
145 : | CheckFunc *CheckCandidate; | ||
146 : | |||
147 : | /* | ||
148 : | * Calculate the min/max range (in halfpixels) | ||
149 : | * relative to the _MACROBLOCK_ position | ||
150 : | */ | ||
151 : | static void __inline | ||
152 : | get_range(int32_t * const min_dx, | ||
153 : | int32_t * const max_dx, | ||
154 : | int32_t * const min_dy, | ||
155 : | int32_t * const max_dy, | ||
156 : | const uint32_t x, | ||
157 : | const uint32_t y, | ||
158 : | const uint32_t block_sz, /* block dimension, 8 or 16 */ | ||
159 : | const uint32_t width, | ||
160 : | const uint32_t height, | ||
161 : | Isibaar | 1.1.2.4 | const uint32_t fcode, |
162 : | const uint32_t quarterpel) | ||
163 : | chl | 1.1.2.1 | { |
164 : | |||
165 : | int k; | ||
166 : | Isibaar | 1.1.2.4 | const int search_range = 32 << (fcode - 1 - quarterpel); |
167 : | const int high = search_range - 1; | ||
168 : | const int low = -search_range; | ||
169 : | chl | 1.1.2.1 | |
170 : | k = 2 * (int)(width - x*block_sz); | ||
171 : | *max_dx = MIN(high, k); | ||
172 : | k = 2 * (int)(height - y*block_sz); | ||
173 : | *max_dy = MIN(high, k); | ||
174 : | |||
175 : | k = -2 * (int)((x+1) * block_sz); | ||
176 : | Isibaar | 1.1.2.4 | *min_dx = MAX(low, k); |
177 : | chl | 1.1.2.1 | k = -2 * (int)((y+1) * block_sz); |
178 : | Isibaar | 1.1.2.4 | *min_dy = MAX(low, k); |
179 : | chl | 1.1.2.1 | |
180 : | } | ||
181 : | |||
182 : | |||
183 : | typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); | ||
184 : | |||
185 : | static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; | ||
186 : | |||
187 : | static void Search8(const SearchData * const OldData, | ||
188 : | const int x, const int y, | ||
189 : | const uint32_t MotionFlags, | ||
190 : | const MBParam * const pParam, | ||
191 : | MACROBLOCK * const pMB, | ||
192 : | const MACROBLOCK * const pMBs, | ||
193 : | Isibaar | 1.1.2.2 | const int block, |
194 : | SearchData * const Data); | ||
195 : | chl | 1.1.2.1 | |
196 : | bool | ||
197 : | MotionEstimation(MBParam * const pParam, | ||
198 : | FRAMEINFO * const current, | ||
199 : | FRAMEINFO * const reference, | ||
200 : | const IMAGE * const pRefH, | ||
201 : | const IMAGE * const pRefV, | ||
202 : | const IMAGE * const pRefHV, | ||
203 : | const uint32_t iLimit); | ||
204 : | |||
205 : | static void | ||
206 : | SearchP(const uint8_t * const pRef, | ||
207 : | const uint8_t * const pRefH, | ||
208 : | const uint8_t * const pRefV, | ||
209 : | const uint8_t * const pRefHV, | ||
210 : | Isibaar | 1.1.2.4 | const uint8_t * const pRefQ, |
211 : | chl | 1.1.2.1 | const IMAGE * const pCur, |
212 : | const int x, | ||
213 : | const int y, | ||
214 : | const uint32_t MotionFlags, | ||
215 : | const uint32_t iQuant, | ||
216 : | Isibaar | 1.1.2.2 | SearchData * const Data, |
217 : | chl | 1.1.2.1 | const MBParam * const pParam, |
218 : | const MACROBLOCK * const pMBs, | ||
219 : | const MACROBLOCK * const prevMBs, | ||
220 : | int inter4v, | ||
221 : | MACROBLOCK * const pMB); | ||
222 : | |||
223 : | |||
224 : | #ifdef _SMP | ||
225 : | bool | ||
226 : | SMP_MotionEstimation(MBParam * const pParam, | ||
227 : | FRAMEINFO * const current, | ||
228 : | FRAMEINFO * const reference, | ||
229 : | const IMAGE * const pRefH, | ||
230 : | const IMAGE * const pRefV, | ||
231 : | const IMAGE * const pRefHV, | ||
232 : | const uint32_t iLimit); | ||
233 : | #endif | ||
234 : | |||
235 : | #endif /* _MOTION_EST_H_ */ |
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