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1 : | edgomez | 202 | /***************************************************************************** |
2 : | Isibaar | 3 | * |
3 : | edgomez | 202 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Encoder header - | ||
5 : | Isibaar | 3 | * |
6 : | edgomez | 399 | * Copyright(C) 2002 Michael Militzer |
7 : | * | ||
8 : | edgomez | 202 | * This program is an implementation of a part of one or more MPEG-4 |
9 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
10 : | * to use this software module in hardware or software products are | ||
11 : | * advised that its use may infringe existing patents or copyrights, and | ||
12 : | * any such use would be at such party's own risk. The original | ||
13 : | * developer of this software module and his/her company, and subsequent | ||
14 : | * editors and their companies, will have no liability for use of this | ||
15 : | * software or modifications or derivatives thereof. | ||
16 : | Isibaar | 3 | * |
17 : | edgomez | 202 | * This program is free software ; you can redistribute it and/or modify |
18 : | * it under the terms of the GNU General Public License as published by | ||
19 : | * the Free Software Foundation ; either version 2 of the License, or | ||
20 : | * (at your option) any later version. | ||
21 : | Isibaar | 3 | * |
22 : | edgomez | 202 | * This program is distributed in the hope that it will be useful, |
23 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
24 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
25 : | * GNU General Public License for more details. | ||
26 : | * | ||
27 : | * You should have received a copy of the GNU General Public License | ||
28 : | * along with this program ; if not, write to the Free Software | ||
29 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
30 : | * | ||
31 : | ****************************************************************************/ | ||
32 : | Isibaar | 3 | |
33 : | #ifndef _ENCODER_H_ | ||
34 : | #define _ENCODER_H_ | ||
35 : | |||
36 : | #include "xvid.h" | ||
37 : | #include "portab.h" | ||
38 : | #include "global.h" | ||
39 : | #include "image/image.h" | ||
40 : | edgomez | 188 | #include "utils/ratecontrol.h" |
41 : | Isibaar | 3 | |
42 : | edgomez | 202 | /***************************************************************************** |
43 : | * Constants | ||
44 : | ****************************************************************************/ | ||
45 : | |||
46 : | /* Quatization type */ | ||
47 : | Isibaar | 3 | #define H263_QUANT 0 |
48 : | #define MPEG4_QUANT 1 | ||
49 : | |||
50 : | edgomez | 202 | /* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */ |
51 : | #define NO_CHANGE 64 | ||
52 : | Isibaar | 3 | |
53 : | edgomez | 202 | /***************************************************************************** |
54 : | * Types | ||
55 : | ****************************************************************************/ | ||
56 : | Isibaar | 3 | |
57 : | edgomez | 202 | typedef int bool; |
58 : | Isibaar | 3 | |
59 : | typedef enum | ||
60 : | { | ||
61 : | edgomez | 188 | I_VOP = 0, |
62 : | P_VOP = 1, | ||
63 : | suxen_drol | 136 | B_VOP = 2 |
64 : | Isibaar | 3 | } |
65 : | VOP_TYPE; | ||
66 : | |||
67 : | edgomez | 202 | /***************************************************************************** |
68 : | * Structures | ||
69 : | ****************************************************************************/ | ||
70 : | Isibaar | 3 | |
71 : | typedef struct | ||
72 : | { | ||
73 : | edgomez | 188 | uint32_t width; |
74 : | uint32_t height; | ||
75 : | Isibaar | 3 | |
76 : | uint32_t edged_width; | ||
77 : | uint32_t edged_height; | ||
78 : | uint32_t mb_width; | ||
79 : | uint32_t mb_height; | ||
80 : | |||
81 : | suxen_drol | 152 | /* frame rate increment & base */ |
82 : | uint32_t fincr; | ||
83 : | uint32_t fbase; | ||
84 : | |||
85 : | suxen_drol | 295 | #ifdef _SMP |
86 : | int num_threads; | ||
87 : | #endif | ||
88 : | |||
89 : | suxen_drol | 164 | #ifdef BFRAMES |
90 : | int max_bframes; | ||
91 : | #endif | ||
92 : | |||
93 : | edgomez | 188 | /* rounding type; alternate 0-1 after each interframe */ |
94 : | Isibaar | 3 | /* 1 <= fixed_code <= 4 |
95 : | automatically adjusted using motion vector statistics inside | ||
96 : | edgomez | 195 | */ |
97 : | Isibaar | 3 | |
98 : | suxen_drol | 136 | /* vars that not "quite" frame independant */ |
99 : | uint32_t m_quant_type; | ||
100 : | uint32_t m_rounding_type; | ||
101 : | uint32_t m_fcode; | ||
102 : | |||
103 : | edgomez | 195 | HINTINFO *hint; |
104 : | suxen_drol | 136 | |
105 : | suxen_drol | 152 | uint32_t m_seconds; |
106 : | uint32_t m_ticks; | ||
107 : | |||
108 : | edgomez | 195 | } |
109 : | MBParam; | ||
110 : | suxen_drol | 136 | |
111 : | |||
112 : | typedef struct | ||
113 : | { | ||
114 : | edgomez | 188 | uint32_t quant; |
115 : | edgomez | 195 | uint32_t motion_flags; |
116 : | Isibaar | 3 | uint32_t global_flags; |
117 : | h | 101 | |
118 : | suxen_drol | 136 | VOP_TYPE coding_type; |
119 : | edgomez | 188 | uint32_t rounding_type; |
120 : | uint32_t fcode; | ||
121 : | suxen_drol | 136 | uint32_t bcode; |
122 : | Isibaar | 3 | |
123 : | suxen_drol | 152 | uint32_t seconds; |
124 : | uint32_t ticks; | ||
125 : | suxen_drol | 136 | |
126 : | IMAGE image; | ||
127 : | |||
128 : | edgomez | 195 | MACROBLOCK *mbs; |
129 : | suxen_drol | 136 | |
130 : | edgomez | 195 | } |
131 : | FRAMEINFO; | ||
132 : | suxen_drol | 136 | |
133 : | Isibaar | 3 | typedef struct |
134 : | { | ||
135 : | edgomez | 188 | int iTextBits; |
136 : | float fMvPrevSigma; | ||
137 : | int iMvSum; | ||
138 : | int iMvCount; | ||
139 : | Isibaar | 3 | int kblks; |
140 : | int mblks; | ||
141 : | int ublks; | ||
142 : | } | ||
143 : | Statistics; | ||
144 : | |||
145 : | |||
146 : | |||
147 : | typedef struct | ||
148 : | { | ||
149 : | edgomez | 188 | MBParam mbParam; |
150 : | Isibaar | 3 | |
151 : | edgomez | 188 | int iFrameNum; |
152 : | int iMaxKeyInterval; | ||
153 : | Isibaar | 3 | int bitrate; |
154 : | |||
155 : | // images | ||
156 : | |||
157 : | edgomez | 195 | FRAMEINFO *current; |
158 : | FRAMEINFO *reference; | ||
159 : | suxen_drol | 136 | |
160 : | suxen_drol | 229 | #ifdef _DEBUG_PSNR |
161 : | Isibaar | 113 | IMAGE sOriginal; |
162 : | #endif | ||
163 : | edgomez | 188 | IMAGE vInterH; |
164 : | IMAGE vInterV; | ||
165 : | h | 83 | IMAGE vInterVf; |
166 : | edgomez | 188 | IMAGE vInterHV; |
167 : | h | 83 | IMAGE vInterHVf; |
168 : | Isibaar | 3 | |
169 : | suxen_drol | 152 | #ifdef BFRAMES |
170 : | /* constants */ | ||
171 : | suxen_drol | 234 | int global; |
172 : | suxen_drol | 152 | int bquant_ratio; |
173 : | suxen_drol | 324 | int frame_drop_ratio; |
174 : | suxen_drol | 229 | |
175 : | /* image queue */ | ||
176 : | int queue_head; | ||
177 : | int queue_tail; | ||
178 : | int queue_size; | ||
179 : | IMAGE *queue; | ||
180 : | |||
181 : | /* bframe buffer */ | ||
182 : | suxen_drol | 152 | int bframenum_head; |
183 : | int bframenum_tail; | ||
184 : | int flush_bframes; | ||
185 : | |||
186 : | edgomez | 195 | FRAMEINFO **bframes; |
187 : | edgomez | 188 | IMAGE f_refh; |
188 : | IMAGE f_refv; | ||
189 : | IMAGE f_refhv; | ||
190 : | suxen_drol | 238 | int bframenum_dx50bvop; |
191 : | chl | 317 | |
192 : | int last_pframe; | ||
193 : | chl | 366 | int last_sync; |
194 : | chl | 317 | int time_pp; |
195 : | suxen_drol | 234 | int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */ |
196 : | suxen_drol | 152 | #endif |
197 : | suxen_drol | 229 | |
198 : | edgomez | 188 | Statistics sStat; |
199 : | RateControl rate_control; | ||
200 : | Isibaar | 3 | } |
201 : | Encoder; | ||
202 : | |||
203 : | edgomez | 202 | /***************************************************************************** |
204 : | * Inline functions | ||
205 : | ****************************************************************************/ | ||
206 : | Isibaar | 3 | |
207 : | edgomez | 195 | static __inline uint8_t |
208 : | get_fcode(uint16_t sr) | ||
209 : | Isibaar | 3 | { |
210 : | edgomez | 188 | if (sr <= 16) |
211 : | Isibaar | 3 | return 1; |
212 : | |||
213 : | edgomez | 195 | else if (sr <= 32) |
214 : | Isibaar | 3 | return 2; |
215 : | |||
216 : | edgomez | 188 | else if (sr <= 64) |
217 : | Isibaar | 3 | return 3; |
218 : | |||
219 : | edgomez | 188 | else if (sr <= 128) |
220 : | Isibaar | 3 | return 4; |
221 : | |||
222 : | edgomez | 188 | else if (sr <= 256) |
223 : | Isibaar | 3 | return 5; |
224 : | |||
225 : | edgomez | 188 | else if (sr <= 512) |
226 : | Isibaar | 3 | return 6; |
227 : | |||
228 : | edgomez | 188 | else if (sr <= 1024) |
229 : | Isibaar | 3 | return 7; |
230 : | |||
231 : | edgomez | 188 | else |
232 : | Isibaar | 3 | return 0; |
233 : | } | ||
234 : | |||
235 : | edgomez | 202 | |
236 : | /***************************************************************************** | ||
237 : | * Prototypes | ||
238 : | ****************************************************************************/ | ||
239 : | |||
240 : | void init_encoder(uint32_t cpu_flags); | ||
241 : | |||
242 : | int encoder_create(XVID_ENC_PARAM * pParam); | ||
243 : | int encoder_destroy(Encoder * pEnc); | ||
244 : | int encoder_encode(Encoder * pEnc, | ||
245 : | XVID_ENC_FRAME * pFrame, | ||
246 : | XVID_ENC_STATS * pResult); | ||
247 : | |||
248 : | suxen_drol | 229 | int encoder_encode_bframes(Encoder * pEnc, |
249 : | XVID_ENC_FRAME * pFrame, | ||
250 : | XVID_ENC_STATS * pResult); | ||
251 : | |||
252 : | edgomez | 202 | #endif |
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