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1 : | Isibaar | 1.1 | /************************************************************************** |
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 : | |||
23 : | |||
24 : | #define H263_QUANT 0 | ||
25 : | #define MPEG4_QUANT 1 | ||
26 : | |||
27 : | |||
28 : | typedef uint32_t bool; | ||
29 : | |||
30 : | |||
31 : | typedef enum | ||
32 : | { | ||
33 : | I_VOP = 0, | ||
34 : | suxen_drol | 1.5 | P_VOP = 1, |
35 : | B_VOP = 2 | ||
36 : | Isibaar | 1.1 | } |
37 : | VOP_TYPE; | ||
38 : | |||
39 : | /*********************************** | ||
40 : | |||
41 : | Encoding Parameters | ||
42 : | |||
43 : | ************************************/ | ||
44 : | |||
45 : | typedef struct | ||
46 : | { | ||
47 : | uint32_t width; | ||
48 : | uint32_t height; | ||
49 : | |||
50 : | uint32_t edged_width; | ||
51 : | uint32_t edged_height; | ||
52 : | uint32_t mb_width; | ||
53 : | uint32_t mb_height; | ||
54 : | |||
55 : | suxen_drol | 1.6 | /* frame rate increment & base */ |
56 : | uint32_t fincr; | ||
57 : | uint32_t fbase; | ||
58 : | |||
59 : | Isibaar | 1.1 | /* rounding type; alternate 0-1 after each interframe */ |
60 : | /* 1 <= fixed_code <= 4 | ||
61 : | automatically adjusted using motion vector statistics inside | ||
62 : | */ | ||
63 : | |||
64 : | suxen_drol | 1.5 | /* vars that not "quite" frame independant */ |
65 : | uint32_t m_quant_type; | ||
66 : | uint32_t m_rounding_type; | ||
67 : | uint32_t m_fcode; | ||
68 : | |||
69 : | HINTINFO * hint; | ||
70 : | |||
71 : | suxen_drol | 1.6 | #ifdef BFRAMES |
72 : | uint32_t m_seconds; | ||
73 : | uint32_t m_ticks; | ||
74 : | #endif | ||
75 : | |||
76 : | suxen_drol | 1.5 | } MBParam; |
77 : | |||
78 : | |||
79 : | typedef struct | ||
80 : | { | ||
81 : | Isibaar | 1.1 | uint32_t quant; |
82 : | uint32_t motion_flags; | ||
83 : | uint32_t global_flags; | ||
84 : | h | 1.3 | |
85 : | suxen_drol | 1.5 | VOP_TYPE coding_type; |
86 : | uint32_t rounding_type; | ||
87 : | uint32_t fcode; | ||
88 : | uint32_t bcode; | ||
89 : | |||
90 : | suxen_drol | 1.6 | #ifdef BFRAMES |
91 : | uint32_t seconds; | ||
92 : | uint32_t ticks; | ||
93 : | #endif | ||
94 : | suxen_drol | 1.5 | |
95 : | IMAGE image; | ||
96 : | |||
97 : | MACROBLOCK * mbs; | ||
98 : | |||
99 : | } FRAMEINFO; | ||
100 : | Isibaar | 1.1 | |
101 : | typedef struct | ||
102 : | { | ||
103 : | int iTextBits; | ||
104 : | float fMvPrevSigma; | ||
105 : | int iMvSum; | ||
106 : | int iMvCount; | ||
107 : | int kblks; | ||
108 : | int mblks; | ||
109 : | int ublks; | ||
110 : | } | ||
111 : | Statistics; | ||
112 : | |||
113 : | |||
114 : | |||
115 : | typedef struct | ||
116 : | { | ||
117 : | MBParam mbParam; | ||
118 : | |||
119 : | int iFrameNum; | ||
120 : | int iMaxKeyInterval; | ||
121 : | int bitrate; | ||
122 : | |||
123 : | // images | ||
124 : | |||
125 : | suxen_drol | 1.5 | FRAMEINFO * current; |
126 : | FRAMEINFO * reference; | ||
127 : | |||
128 : | Isibaar | 1.4 | #ifdef _DEBUG |
129 : | IMAGE sOriginal; | ||
130 : | #endif | ||
131 : | Isibaar | 1.1 | IMAGE vInterH; |
132 : | IMAGE vInterV; | ||
133 : | h | 1.2 | IMAGE vInterVf; |
134 : | Isibaar | 1.1 | IMAGE vInterHV; |
135 : | h | 1.2 | IMAGE vInterHVf; |
136 : | Isibaar | 1.1 | |
137 : | suxen_drol | 1.6 | #ifdef BFRAMES |
138 : | /* constants */ | ||
139 : | int max_bframes; | ||
140 : | int bquant_ratio; | ||
141 : | /* vars */ | ||
142 : | int bframenum_head; | ||
143 : | int bframenum_tail; | ||
144 : | int flush_bframes; | ||
145 : | |||
146 : | FRAMEINFO ** bframes; | ||
147 : | IMAGE f_refh; | ||
148 : | IMAGE f_refv; | ||
149 : | IMAGE f_refhv; | ||
150 : | #endif | ||
151 : | Isibaar | 1.1 | Statistics sStat; |
152 : | } | ||
153 : | Encoder; | ||
154 : | |||
155 : | |||
156 : | // indicates no quantizer changes in INTRA_Q/INTER_Q modes | ||
157 : | #define NO_CHANGE 64 | ||
158 : | |||
159 : | void init_encoder(uint32_t cpu_flags); | ||
160 : | |||
161 : | int encoder_create(XVID_ENC_PARAM * pParam); | ||
162 : | int encoder_destroy(Encoder * pEnc); | ||
163 : | int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult); | ||
164 : | |||
165 : | static __inline uint8_t get_fcode(uint16_t sr) | ||
166 : | { | ||
167 : | if (sr <= 16) | ||
168 : | return 1; | ||
169 : | |||
170 : | else if (sr <= 32) | ||
171 : | return 2; | ||
172 : | |||
173 : | else if (sr <= 64) | ||
174 : | return 3; | ||
175 : | |||
176 : | else if (sr <= 128) | ||
177 : | return 4; | ||
178 : | |||
179 : | else if (sr <= 256) | ||
180 : | return 5; | ||
181 : | |||
182 : | else if (sr <= 512) | ||
183 : | return 6; | ||
184 : | |||
185 : | else if (sr <= 1024) | ||
186 : | return 7; | ||
187 : | |||
188 : | else | ||
189 : | return 0; | ||
190 : | } | ||
191 : | |||
192 : | #endif /* _ENCODER_H_ */ |
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