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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 : | suxen_drol | 750 | #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 : | chl | 530 | #define MODE_DIRECT_NO4V 5 |
25 : | suxen_drol | 118 | |
26 : | suxen_drol | 702 | typedef struct |
27 : | { | ||
28 : | uint8_t *y; | ||
29 : | uint8_t *u; | ||
30 : | uint8_t *v; | ||
31 : | } | ||
32 : | IMAGE; | ||
33 : | suxen_drol | 118 | |
34 : | suxen_drol | 702 | |
35 : | Isibaar | 3 | typedef struct |
36 : | { | ||
37 : | h | 101 | uint32_t bufa; |
38 : | uint32_t bufb; | ||
39 : | uint32_t buf; | ||
40 : | uint32_t pos; | ||
41 : | uint32_t *tail; | ||
42 : | uint32_t *start; | ||
43 : | uint32_t length; | ||
44 : | edgomez | 195 | } |
45 : | h | 101 | Bitstream; |
46 : | Isibaar | 3 | |
47 : | |||
48 : | #define MBPRED_SIZE 15 | ||
49 : | |||
50 : | |||
51 : | typedef struct | ||
52 : | { | ||
53 : | // decoder/encoder | ||
54 : | VECTOR mvs[4]; | ||
55 : | |||
56 : | chl | 172 | short int pred_values[6][MBPRED_SIZE]; |
57 : | int acpred_directions[6]; | ||
58 : | edgomez | 195 | |
59 : | Isibaar | 3 | int mode; |
60 : | edgomez | 195 | int quant; // absolute quant |
61 : | Isibaar | 3 | |
62 : | h | 69 | int field_dct; |
63 : | int field_pred; | ||
64 : | int field_for_top; | ||
65 : | int field_for_bot; | ||
66 : | |||
67 : | Isibaar | 3 | // encoder specific |
68 : | |||
69 : | chl | 172 | VECTOR mv16; |
70 : | Isibaar | 3 | VECTOR pmvs[4]; |
71 : | Isibaar | 579 | VECTOR qmvs[4]; // mvs in quarter pixel resolution |
72 : | chl | 172 | |
73 : | edgomez | 195 | int32_t sad8[4]; // SAD values for inter4v-VECTORs |
74 : | int32_t sad16; // SAD value for inter-VECTOR | ||
75 : | chl | 172 | |
76 : | Isibaar | 3 | int dquant; |
77 : | int cbp; | ||
78 : | |||
79 : | suxen_drol | 118 | // bframe stuff |
80 : | |||
81 : | VECTOR b_mvs[4]; | ||
82 : | syskin | 658 | VECTOR b_qmvs[4]; |
83 : | chl | 530 | // VECTOR b_pmvs[1]; |
84 : | suxen_drol | 118 | |
85 : | chl | 338 | // bframe direct mode |
86 : | |||
87 : | chl | 530 | // VECTOR directmv[4]; |
88 : | // VECTOR deltamv; | ||
89 : | chl | 338 | |
90 : | chenm001 | 156 | int mb_type; |
91 : | int dbquant; | ||
92 : | |||
93 : | chl | 277 | // stuff for block based ME (needed for Qpel ME) |
94 : | // backup of last integer ME vectors/sad | ||
95 : | syskin | 658 | |
96 : | // VECTOR i_mv16; | ||
97 : | chl | 287 | VECTOR i_mvs[4]; |
98 : | chl | 277 | |
99 : | chl | 287 | int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
100 : | syskin | 658 | // int32_t i_sad16; // SAD value for inter-VECTOR |
101 : | chl | 277 | |
102 : | syskin | 658 | |
103 : | edgomez | 195 | } |
104 : | MACROBLOCK; | ||
105 : | Isibaar | 3 | |
106 : | edgomez | 195 | static __inline int8_t |
107 : | get_dc_scaler(uint32_t quant, | ||
108 : | uint32_t lum) | ||
109 : | Isibaar | 3 | { |
110 : | edgomez | 195 | if (quant < 5) |
111 : | return 8; | ||
112 : | Isibaar | 3 | |
113 : | edgomez | 195 | if (quant < 25 && !lum) |
114 : | return (quant + 13) / 2; | ||
115 : | Isibaar | 3 | |
116 : | edgomez | 195 | if (quant < 9) |
117 : | return 2 * quant; | ||
118 : | Isibaar | 3 | |
119 : | edgomez | 195 | if (quant < 25) |
120 : | return quant + 8; | ||
121 : | Isibaar | 3 | |
122 : | edgomez | 195 | if (lum) |
123 : | Isibaar | 157 | return 2 * quant - 16; |
124 : | Isibaar | 3 | else |
125 : | edgomez | 195 | return quant - 6; |
126 : | Isibaar | 3 | } |
127 : | |||
128 : | suxen_drol | 118 | // useful macros |
129 : | |||
130 : | #define MIN(X, Y) ((X)<(Y)?(X):(Y)) | ||
131 : | #define MAX(X, Y) ((X)>(Y)?(X):(Y)) | ||
132 : | #define ABS(X) (((X)>0)?(X):-(X)) | ||
133 : | #define SIGN(X) (((X)>0)?1:-1) | ||
134 : | |||
135 : | |||
136 : | edgomez | 195 | #endif /* _GLOBAL_H_ */ |
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