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1 : | Isibaar | 3 | #ifndef _GLOBAL_H_ |
2 : | #define _GLOBAL_H_ | ||
3 : | |||
4 : | h | 101 | #include "xvid.h" |
5 : | Isibaar | 3 | #include "portab.h" |
6 : | |||
7 : | suxen_drol | 118 | /* --- macroblock modes --- */ |
8 : | Isibaar | 3 | |
9 : | #define MODE_INTER 0 | ||
10 : | #define MODE_INTER_Q 1 | ||
11 : | #define MODE_INTER4V 2 | ||
12 : | #define MODE_INTRA 3 | ||
13 : | #define MODE_INTRA_Q 4 | ||
14 : | #define MODE_NOT_CODED 16 | ||
15 : | edgomez | 851 | #define MODE_NOT_CODED_GMC 17 |
16 : | Isibaar | 3 | |
17 : | suxen_drol | 118 | /* --- bframe specific --- */ |
18 : | |||
19 : | #define MODE_DIRECT 0 | ||
20 : | #define MODE_INTERPOLATE 1 | ||
21 : | #define MODE_BACKWARD 2 | ||
22 : | #define MODE_FORWARD 3 | ||
23 : | chenm001 | 156 | #define MODE_DIRECT_NONE_MV 4 |
24 : | edgomez | 851 | #define MODE_DIRECT_NO4V 5 |
25 : | suxen_drol | 118 | |
26 : | suxen_drol | 890 | |
27 : | // vop coding types | ||
28 : | // intra, prediction, backward, sprite, not_coded | ||
29 : | #define I_VOP 0 | ||
30 : | #define P_VOP 1 | ||
31 : | #define B_VOP 2 | ||
32 : | #define S_VOP 3 | ||
33 : | #define N_VOP 4 | ||
34 : | |||
35 : | /* convert mpeg-4 coding type i/p/b/s_VOP to XVID_TYPE_xxx */ | ||
36 : | static __inline int | ||
37 : | coding2type(int coding_type) | ||
38 : | { | ||
39 : | return coding_type + 1; | ||
40 : | } | ||
41 : | |||
42 : | /* convert XVID_TYPE_xxx to bitstream coding type i/p/b/s_VOP */ | ||
43 : | static __inline int | ||
44 : | type2coding(int xvid_type) | ||
45 : | { | ||
46 : | return xvid_type - 1; | ||
47 : | } | ||
48 : | |||
49 : | |||
50 : | typedef struct | ||
51 : | { | ||
52 : | int x; | ||
53 : | int y; | ||
54 : | } | ||
55 : | VECTOR; | ||
56 : | |||
57 : | |||
58 : | |||
59 : | edgomez | 851 | typedef struct |
60 : | { | ||
61 : | VECTOR duv[3]; | ||
62 : | } | ||
63 : | WARPPOINTS; | ||
64 : | suxen_drol | 118 | |
65 : | edgomez | 851 | /* save all warping parameters for GMC once and for all, instead of |
66 : | recalculating for every block. This is needed for encoding&decoding | ||
67 : | When switching to incremental calculations, this will get much shorter | ||
68 : | */ | ||
69 : | |||
70 : | /* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ | ||
71 : | |||
72 : | typedef struct | ||
73 : | { | ||
74 : | int num_wp; // [input]: 0=none, 1=translation, 2,3 = warping | ||
75 : | // a value of -1 means: "structure not initialized!" | ||
76 : | int s; // [input]: calc is done with 1/s pel resolution | ||
77 : | |||
78 : | int W; | ||
79 : | int H; | ||
80 : | |||
81 : | int ss; | ||
82 : | int smask; | ||
83 : | int sigma; | ||
84 : | |||
85 : | int r; | ||
86 : | int rho; | ||
87 : | |||
88 : | int i0s; | ||
89 : | int j0s; | ||
90 : | int i1s; | ||
91 : | int j1s; | ||
92 : | int i2s; | ||
93 : | int j2s; | ||
94 : | |||
95 : | int i1ss; | ||
96 : | int j1ss; | ||
97 : | int i2ss; | ||
98 : | int j2ss; | ||
99 : | |||
100 : | int alpha; | ||
101 : | int beta; | ||
102 : | int Ws; | ||
103 : | int Hs; | ||
104 : | |||
105 : | int dxF, dyF, dxG, dyG; | ||
106 : | int Fo, Go; | ||
107 : | int cFo, cGo; | ||
108 : | } | ||
109 : | GMC_DATA; | ||
110 : | |||
111 : | |||
112 : | Isibaar | 3 | typedef struct |
113 : | { | ||
114 : | edgomez | 851 | uint8_t *y; |
115 : | uint8_t *u; | ||
116 : | uint8_t *v; | ||
117 : | } | ||
118 : | IMAGE; | ||
119 : | |||
120 : | |||
121 : | typedef struct | ||
122 : | { | ||
123 : | h | 101 | uint32_t bufa; |
124 : | uint32_t bufb; | ||
125 : | uint32_t buf; | ||
126 : | uint32_t pos; | ||
127 : | uint32_t *tail; | ||
128 : | uint32_t *start; | ||
129 : | uint32_t length; | ||
130 : | edgomez | 195 | } |
131 : | h | 101 | Bitstream; |
132 : | Isibaar | 3 | |
133 : | |||
134 : | #define MBPRED_SIZE 15 | ||
135 : | |||
136 : | |||
137 : | typedef struct | ||
138 : | { | ||
139 : | edgomez | 851 | // decoder/encoder |
140 : | Isibaar | 3 | VECTOR mvs[4]; |
141 : | |||
142 : | chl | 172 | short int pred_values[6][MBPRED_SIZE]; |
143 : | int acpred_directions[6]; | ||
144 : | edgomez | 195 | |
145 : | Isibaar | 3 | int mode; |
146 : | edgomez | 851 | int quant; // absolute quant |
147 : | Isibaar | 3 | |
148 : | h | 69 | int field_dct; |
149 : | int field_pred; | ||
150 : | int field_for_top; | ||
151 : | int field_for_bot; | ||
152 : | |||
153 : | edgomez | 851 | // encoder specific |
154 : | Isibaar | 3 | |
155 : | chl | 172 | VECTOR mv16; |
156 : | Isibaar | 3 | VECTOR pmvs[4]; |
157 : | edgomez | 851 | VECTOR qmvs[4]; // mvs in quarter pixel resolution |
158 : | chl | 172 | |
159 : | edgomez | 851 | int32_t sad8[4]; // SAD values for inter4v-VECTORs |
160 : | int32_t sad16; // SAD value for inter-VECTOR | ||
161 : | chl | 172 | |
162 : | Isibaar | 3 | int dquant; |
163 : | int cbp; | ||
164 : | |||
165 : | edgomez | 851 | // bframe stuff |
166 : | suxen_drol | 118 | |
167 : | VECTOR b_mvs[4]; | ||
168 : | edgomez | 851 | VECTOR b_qmvs[4]; |
169 : | suxen_drol | 118 | |
170 : | chenm001 | 156 | int mb_type; |
171 : | |||
172 : | edgomez | 851 | // stuff for block based ME (needed for Qpel ME) |
173 : | // backup of last integer ME vectors/sad | ||
174 : | |||
175 : | VECTOR amv; // average motion vectors from GMC | ||
176 : | int32_t mcsel; | ||
177 : | |||
178 : | /* This structure has become way to big! What to do? Split it up? */ | ||
179 : | |||
180 : | edgomez | 195 | } |
181 : | MACROBLOCK; | ||
182 : | Isibaar | 3 | |
183 : | edgomez | 851 | static __inline uint32_t |
184 : | edgomez | 195 | get_dc_scaler(uint32_t quant, |
185 : | uint32_t lum) | ||
186 : | Isibaar | 3 | { |
187 : | edgomez | 195 | if (quant < 5) |
188 : | return 8; | ||
189 : | Isibaar | 3 | |
190 : | edgomez | 195 | if (quant < 25 && !lum) |
191 : | edgomez | 851 | return (quant + 13) / 2; |
192 : | Isibaar | 3 | |
193 : | edgomez | 195 | if (quant < 9) |
194 : | edgomez | 851 | return 2 * quant; |
195 : | Isibaar | 3 | |
196 : | edgomez | 195 | if (quant < 25) |
197 : | edgomez | 851 | return quant + 8; |
198 : | Isibaar | 3 | |
199 : | edgomez | 195 | if (lum) |
200 : | edgomez | 851 | return 2 * quant - 16; |
201 : | Isibaar | 3 | else |
202 : | edgomez | 851 | return quant - 6; |
203 : | Isibaar | 3 | } |
204 : | |||
205 : | edgomez | 851 | // useful macros |
206 : | suxen_drol | 118 | |
207 : | #define MIN(X, Y) ((X)<(Y)?(X):(Y)) | ||
208 : | #define MAX(X, Y) ((X)>(Y)?(X):(Y)) | ||
209 : | #define ABS(X) (((X)>0)?(X):-(X)) | ||
210 : | #define SIGN(X) (((X)>0)?1:-1) | ||
211 : | edgomez | 851 | #define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
212 : | #define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) | ||
213 : | suxen_drol | 118 | |
214 : | |||
215 : | edgomez | 851 | #endif /* _GLOBAL_H_ */ |
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