3 |
* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
4 |
* - Global definitions - |
* - Global definitions - |
5 |
* |
* |
6 |
* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
* Copyright(C) 2002-2010 Michael Militzer <michael@xvid.org> |
7 |
* |
* |
8 |
* This program is free software ; you can redistribute it and/or modify |
* 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 |
* it under the terms of the GNU General Public License as published by |
19 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
* |
* |
22 |
* $Id: global.h,v 1.24 2005-09-13 12:12:15 suxen_drol Exp $ |
* $Id$ |
23 |
* |
* |
24 |
****************************************************************************/ |
****************************************************************************/ |
25 |
|
|
48 |
#define MODE_DIRECT_NONE_MV 4 |
#define MODE_DIRECT_NONE_MV 4 |
49 |
#define MODE_DIRECT_NO4V 5 |
#define MODE_DIRECT_NO4V 5 |
50 |
|
|
|
|
|
51 |
/* |
/* |
52 |
* vop coding types |
* vop coding types |
53 |
* intra, prediction, backward, sprite, not_coded |
* intra, prediction, backward, sprite, not_coded |
72 |
return xvid_type - 1; |
return xvid_type - 1; |
73 |
} |
} |
74 |
|
|
|
|
|
75 |
typedef struct |
typedef struct |
76 |
{ |
{ |
77 |
int x; |
int x; |
79 |
} |
} |
80 |
VECTOR; |
VECTOR; |
81 |
|
|
|
|
|
|
|
|
82 |
typedef struct |
typedef struct |
83 |
{ |
{ |
84 |
VECTOR duv[3]; |
VECTOR duv[4]; |
85 |
} |
} |
86 |
WARPPOINTS; |
WARPPOINTS; |
87 |
|
|
164 |
} |
} |
165 |
IMAGE; |
IMAGE; |
166 |
|
|
|
|
|
167 |
typedef struct |
typedef struct |
168 |
{ |
{ |
169 |
uint32_t bufa; |
uint32_t bufa; |
177 |
} |
} |
178 |
Bitstream; |
Bitstream; |
179 |
|
|
|
|
|
180 |
#define MBPRED_SIZE 15 |
#define MBPRED_SIZE 15 |
181 |
|
|
|
|
|
182 |
typedef struct |
typedef struct |
183 |
{ |
{ |
184 |
/* decoder/encoder */ |
/* decoder/encoder */ |
203 |
int32_t sad8[4]; /* SAD values for inter4v-VECTORs */ |
int32_t sad8[4]; /* SAD values for inter4v-VECTORs */ |
204 |
int32_t sad16; /* SAD value for inter-VECTOR */ |
int32_t sad16; /* SAD value for inter-VECTOR */ |
205 |
|
|
206 |
|
int32_t var16; /* Variance of the 16x16 luma block */ |
207 |
|
int32_t rel_var8[6]; /* Relative variances of the 8x8 sub-blocks */ |
208 |
|
|
209 |
int dquant; |
int dquant; |
210 |
int cbp; |
int cbp; |
211 |
|
|
212 |
|
/* lambda for these blocks */ |
213 |
|
int lambda[6]; |
214 |
|
|
215 |
/* bframe stuff */ |
/* bframe stuff */ |
216 |
|
|
217 |
VECTOR b_mvs[4]; |
VECTOR b_mvs[4]; |
251 |
|
|
252 |
/* useful macros */ |
/* useful macros */ |
253 |
|
|
254 |
|
#ifndef MIN |
255 |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
256 |
|
#endif |
257 |
|
#ifndef MAX |
258 |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
259 |
|
#endif |
260 |
/* #define ABS(X) (((X)>0)?(X):-(X)) */ |
/* #define ABS(X) (((X)>0)?(X):-(X)) */ |
261 |
#define SIGN(X) (((X)>0)?1:-1) |
#define SIGN(X) (((X)>0)?1:-1) |
262 |
#define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
#define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
263 |
#define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) |
#define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) |
264 |
#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } |
#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } |
265 |
|
|
266 |
|
static __inline uint32_t |
267 |
|
isqrt(unsigned long n) |
268 |
|
{ |
269 |
|
uint32_t c = 0x8000; |
270 |
|
uint32_t g = 0x8000; |
271 |
|
|
272 |
|
for(;;) { |
273 |
|
if(g*g > n) |
274 |
|
g ^= c; |
275 |
|
c >>= 1; |
276 |
|
if(c == 0) |
277 |
|
return g; |
278 |
|
g |= c; |
279 |
|
} |
280 |
|
} |
281 |
|
|
282 |
#endif /* _GLOBAL_H_ */ |
#endif /* _GLOBAL_H_ */ |