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1 : | Isibaar | 3 | /************************************************************************** |
2 : | * | ||
3 : | * Modifications: | ||
4 : | * | ||
5 : | * 22.08.2001 added support for EXT_MODE encoding mode | ||
6 : | * support for EXTENDED API | ||
7 : | * 22.08.2001 fixed bug in iDQtab | ||
8 : | * | ||
9 : | * Michael Militzer <isibaar@videocoding.de> | ||
10 : | * | ||
11 : | **************************************************************************/ | ||
12 : | |||
13 : | #ifndef _ENCODER_H_ | ||
14 : | #define _ENCODER_H_ | ||
15 : | |||
16 : | |||
17 : | #include "xvid.h" | ||
18 : | |||
19 : | #include "portab.h" | ||
20 : | #include "global.h" | ||
21 : | #include "image/image.h" | ||
22 : | edgomez | 188 | #include "utils/ratecontrol.h" |
23 : | Isibaar | 3 | |
24 : | #define H263_QUANT 0 | ||
25 : | #define MPEG4_QUANT 1 | ||
26 : | |||
27 : | |||
28 : | typedef uint32_t bool; | ||
29 : | |||
30 : | |||
31 : | typedef enum | ||
32 : | { | ||
33 : | edgomez | 188 | I_VOP = 0, |
34 : | P_VOP = 1, | ||
35 : | suxen_drol | 136 | B_VOP = 2 |
36 : | Isibaar | 3 | } |
37 : | VOP_TYPE; | ||
38 : | |||
39 : | /*********************************** | ||
40 : | |||
41 : | Encoding Parameters | ||
42 : | |||
43 : | ************************************/ | ||
44 : | |||
45 : | typedef struct | ||
46 : | { | ||
47 : | edgomez | 188 | uint32_t width; |
48 : | uint32_t height; | ||
49 : | Isibaar | 3 | |
50 : | uint32_t edged_width; | ||
51 : | uint32_t edged_height; | ||
52 : | uint32_t mb_width; | ||
53 : | uint32_t mb_height; | ||
54 : | |||
55 : | suxen_drol | 152 | /* frame rate increment & base */ |
56 : | uint32_t fincr; | ||
57 : | uint32_t fbase; | ||
58 : | |||
59 : | suxen_drol | 164 | #ifdef BFRAMES |
60 : | int max_bframes; | ||
61 : | #endif | ||
62 : | |||
63 : | edgomez | 188 | /* rounding type; alternate 0-1 after each interframe */ |
64 : | Isibaar | 3 | /* 1 <= fixed_code <= 4 |
65 : | automatically adjusted using motion vector statistics inside | ||
66 : | edgomez | 188 | */ |
67 : | Isibaar | 3 | |
68 : | suxen_drol | 136 | /* vars that not "quite" frame independant */ |
69 : | uint32_t m_quant_type; | ||
70 : | uint32_t m_rounding_type; | ||
71 : | uint32_t m_fcode; | ||
72 : | |||
73 : | HINTINFO * hint; | ||
74 : | |||
75 : | suxen_drol | 152 | #ifdef BFRAMES |
76 : | uint32_t m_seconds; | ||
77 : | uint32_t m_ticks; | ||
78 : | #endif | ||
79 : | |||
80 : | suxen_drol | 136 | } MBParam; |
81 : | |||
82 : | |||
83 : | typedef struct | ||
84 : | { | ||
85 : | edgomez | 188 | uint32_t quant; |
86 : | Isibaar | 3 | uint32_t motion_flags; |
87 : | uint32_t global_flags; | ||
88 : | h | 101 | |
89 : | suxen_drol | 136 | VOP_TYPE coding_type; |
90 : | edgomez | 188 | uint32_t rounding_type; |
91 : | uint32_t fcode; | ||
92 : | suxen_drol | 136 | uint32_t bcode; |
93 : | Isibaar | 3 | |
94 : | suxen_drol | 152 | #ifdef BFRAMES |
95 : | uint32_t seconds; | ||
96 : | uint32_t ticks; | ||
97 : | #endif | ||
98 : | suxen_drol | 136 | |
99 : | IMAGE image; | ||
100 : | |||
101 : | MACROBLOCK * mbs; | ||
102 : | |||
103 : | } FRAMEINFO; | ||
104 : | |||
105 : | Isibaar | 3 | typedef struct |
106 : | { | ||
107 : | edgomez | 188 | int iTextBits; |
108 : | float fMvPrevSigma; | ||
109 : | int iMvSum; | ||
110 : | int iMvCount; | ||
111 : | Isibaar | 3 | int kblks; |
112 : | int mblks; | ||
113 : | int ublks; | ||
114 : | } | ||
115 : | Statistics; | ||
116 : | |||
117 : | |||
118 : | |||
119 : | typedef struct | ||
120 : | { | ||
121 : | edgomez | 188 | MBParam mbParam; |
122 : | Isibaar | 3 | |
123 : | edgomez | 188 | int iFrameNum; |
124 : | int iMaxKeyInterval; | ||
125 : | Isibaar | 3 | int bitrate; |
126 : | |||
127 : | // images | ||
128 : | |||
129 : | suxen_drol | 136 | FRAMEINFO * current; |
130 : | FRAMEINFO * reference; | ||
131 : | |||
132 : | Isibaar | 113 | #ifdef _DEBUG |
133 : | IMAGE sOriginal; | ||
134 : | #endif | ||
135 : | edgomez | 188 | IMAGE vInterH; |
136 : | IMAGE vInterV; | ||
137 : | h | 83 | IMAGE vInterVf; |
138 : | edgomez | 188 | IMAGE vInterHV; |
139 : | h | 83 | IMAGE vInterHVf; |
140 : | Isibaar | 3 | |
141 : | suxen_drol | 152 | #ifdef BFRAMES |
142 : | /* constants */ | ||
143 : | int bquant_ratio; | ||
144 : | /* vars */ | ||
145 : | int bframenum_head; | ||
146 : | int bframenum_tail; | ||
147 : | int flush_bframes; | ||
148 : | |||
149 : | FRAMEINFO ** bframes; | ||
150 : | edgomez | 188 | IMAGE f_refh; |
151 : | IMAGE f_refv; | ||
152 : | IMAGE f_refhv; | ||
153 : | suxen_drol | 152 | #endif |
154 : | edgomez | 188 | Statistics sStat; |
155 : | RateControl rate_control; | ||
156 : | Isibaar | 3 | } |
157 : | Encoder; | ||
158 : | |||
159 : | |||
160 : | // indicates no quantizer changes in INTRA_Q/INTER_Q modes | ||
161 : | #define NO_CHANGE 64 | ||
162 : | |||
163 : | void init_encoder(uint32_t cpu_flags); | ||
164 : | |||
165 : | int encoder_create(XVID_ENC_PARAM * pParam); | ||
166 : | int encoder_destroy(Encoder * pEnc); | ||
167 : | int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult); | ||
168 : | |||
169 : | static __inline uint8_t get_fcode(uint16_t sr) | ||
170 : | { | ||
171 : | edgomez | 188 | if (sr <= 16) |
172 : | Isibaar | 3 | return 1; |
173 : | |||
174 : | edgomez | 188 | else if (sr <= 32) |
175 : | Isibaar | 3 | return 2; |
176 : | |||
177 : | edgomez | 188 | else if (sr <= 64) |
178 : | Isibaar | 3 | return 3; |
179 : | |||
180 : | edgomez | 188 | else if (sr <= 128) |
181 : | Isibaar | 3 | return 4; |
182 : | |||
183 : | edgomez | 188 | else if (sr <= 256) |
184 : | Isibaar | 3 | return 5; |
185 : | |||
186 : | edgomez | 188 | else if (sr <= 512) |
187 : | Isibaar | 3 | return 6; |
188 : | |||
189 : | edgomez | 188 | else if (sr <= 1024) |
190 : | Isibaar | 3 | return 7; |
191 : | |||
192 : | edgomez | 188 | else |
193 : | Isibaar | 3 | return 0; |
194 : | } | ||
195 : | |||
196 : | #endif /* _ENCODER_H_ */ |
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