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de6d9b64 FB |
1 | /* |
2 | * Generic DCT based hybrid video encoder | |
ff4ec49e | 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. |
de6d9b64 | 4 | * |
ff4ec49e FB |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2 of the License, or (at your option) any later version. | |
de6d9b64 | 9 | * |
ff4ec49e | 10 | * This library is distributed in the hope that it will be useful, |
de6d9b64 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ff4ec49e FB |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. | |
de6d9b64 | 14 | * |
ff4ec49e FB |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
de6d9b64 FB |
18 | */ |
19 | ||
983e3246 MN |
20 | /** |
21 | * @file mpegvideo.h | |
22 | * mpegvideo header. | |
23 | */ | |
24 | ||
cd4af68a ZK |
25 | #ifndef AVCODEC_MPEGVIDEO_H |
26 | #define AVCODEC_MPEGVIDEO_H | |
27 | ||
5c91a675 ZK |
28 | #include "dsputil.h" |
29 | ||
277f4827 | 30 | #define FRAME_SKIPED 100 ///< return value for header parsers if frame is not coded |
eec1c6b9 | 31 | |
de6d9b64 FB |
32 | enum OutputFormat { |
33 | FMT_MPEG1, | |
34 | FMT_H263, | |
9dbcbd92 | 35 | FMT_MJPEG, |
0da71265 | 36 | FMT_H264, |
de6d9b64 FB |
37 | }; |
38 | ||
1e491e29 MN |
39 | #define EDGE_WIDTH 16 |
40 | ||
de6d9b64 FB |
41 | #define MPEG_BUF_SIZE (16 * 1024) |
42 | ||
ad324c93 MN |
43 | #define QMAT_SHIFT_MMX 16 |
44 | #define QMAT_SHIFT 22 | |
2f349de2 | 45 | |
45870f57 MN |
46 | #define MAX_FCODE 7 |
47 | #define MAX_MV 2048 | |
1e491e29 | 48 | |
0d1e9246 | 49 | #define MAX_PICTURE_COUNT 15 |
45870f57 | 50 | |
7f2fe444 MN |
51 | #define ME_MAP_SIZE 64 |
52 | #define ME_MAP_SHIFT 3 | |
53 | #define ME_MAP_MV_BITS 11 | |
54 | ||
0151a6f5 MN |
55 | /* run length table */ |
56 | #define MAX_RUN 64 | |
57 | #define MAX_LEVEL 64 | |
58 | ||
277f4827 MN |
59 | #define I_TYPE FF_I_TYPE ///< Intra |
60 | #define P_TYPE FF_P_TYPE ///< Predicted | |
61 | #define B_TYPE FF_B_TYPE ///< Bi-dir predicted | |
62 | #define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4 | |
0da71265 MN |
63 | #define SI_TYPE FF_SI_TYPE ///< Switching Intra |
64 | #define SP_TYPE FF_SP_TYPE ///< Switching Predicted | |
140cb663 | 65 | |
9cdd6a24 MN |
66 | typedef struct Predictor{ |
67 | double coeff; | |
68 | double count; | |
69 | double decay; | |
70 | } Predictor; | |
71 | ||
8b4c7dbc MN |
72 | typedef struct RateControlEntry{ |
73 | int pict_type; | |
c5d309f2 | 74 | float qscale; |
8b4c7dbc MN |
75 | int mv_bits; |
76 | int i_tex_bits; | |
77 | int p_tex_bits; | |
78 | int misc_bits; | |
0c1a9eda | 79 | uint64_t expected_bits; |
8b4c7dbc MN |
80 | int new_pict_type; |
81 | float new_qscale; | |
3aa102be MN |
82 | int mc_mb_var_sum; |
83 | int mb_var_sum; | |
84 | int i_count; | |
85 | int f_code; | |
86 | int b_code; | |
8b4c7dbc MN |
87 | }RateControlEntry; |
88 | ||
277f4827 MN |
89 | /** |
90 | * rate control context. | |
91 | */ | |
8b4c7dbc MN |
92 | typedef struct RateControlContext{ |
93 | FILE *stats_file; | |
277f4827 | 94 | int num_entries; ///< number of RateControlEntries |
8b4c7dbc | 95 | RateControlEntry *entry; |
fb066639 | 96 | double buffer_index; ///< amount of bits in the video/audio buffer |
3aa102be | 97 | Predictor pred[5]; |
277f4827 MN |
98 | double short_term_qsum; ///< sum of recent qscales |
99 | double short_term_qcount; ///< count of recent qscales | |
100 | double pass1_rc_eq_output_sum;///< sum of the output of the rc equation, this is used for normalization | |
101 | double pass1_wanted_bits; ///< bits which should have been outputed by the pass1 code (including complexity init) | |
3aa102be | 102 | double last_qscale; |
277f4827 | 103 | double last_qscale_for[5]; ///< last qscale for a specific pict type, used for max_diff & ipb factor stuff |
3aa102be MN |
104 | int last_mc_mb_var_sum; |
105 | int last_mb_var_sum; | |
0c1a9eda ZK |
106 | uint64_t i_cplx_sum[5]; |
107 | uint64_t p_cplx_sum[5]; | |
108 | uint64_t mv_bits_sum[5]; | |
109 | uint64_t qscale_sum[5]; | |
3aa102be | 110 | int frame_count[5]; |
947ac25a | 111 | int last_non_b_pict_type; |
8b4c7dbc MN |
112 | }RateControlContext; |
113 | ||
277f4827 MN |
114 | /** |
115 | * Scantable. | |
116 | */ | |
2ad1516a | 117 | typedef struct ScanTable{ |
0c1a9eda ZK |
118 | const uint8_t *scantable; |
119 | uint8_t permutated[64]; | |
120 | uint8_t raster_end[64]; | |
05c4072b | 121 | #ifdef ARCH_POWERPC |
277f4827 | 122 | /** Used by dct_quantise_alitvec to find last-non-zero */ |
0c1a9eda | 123 | uint8_t __align8 inverse[64]; |
05c4072b | 124 | #endif |
2ad1516a MN |
125 | } ScanTable; |
126 | ||
277f4827 MN |
127 | /** |
128 | * Picture. | |
129 | */ | |
1e491e29 | 130 | typedef struct Picture{ |
492cd3a9 | 131 | FF_COMMON_FRAME |
1e491e29 | 132 | |
0da71265 MN |
133 | /** |
134 | * halfpel luma planes. | |
135 | */ | |
136 | uint8_t *interpolated[3]; | |
b40cd4e0 | 137 | int16_t (*motion_val_base[2])[2]; |
0da71265 | 138 | int8_t *ref_index[2]; |
7bc9090a | 139 | uint32_t *mb_type_base; |
0da71265 MN |
140 | #define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4) |
141 | #define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16) | |
7bc9090a MN |
142 | #define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM) |
143 | #define IS_INTRA(a) ((a)&7) | |
0da71265 | 144 | #define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8)) |
7bc9090a | 145 | #define IS_SKIP(a) ((a)&MB_TYPE_SKIP) |
0da71265 MN |
146 | #define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM) |
147 | #define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED) | |
148 | #define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2) | |
7bc9090a | 149 | #define IS_GMC(a) ((a)&MB_TYPE_GMC) |
0da71265 MN |
150 | #define IS_16X16(a) ((a)&MB_TYPE_16x16) |
151 | #define IS_16X8(a) ((a)&MB_TYPE_16x8) | |
152 | #define IS_8X16(a) ((a)&MB_TYPE_8x16) | |
153 | #define IS_8X8(a) ((a)&MB_TYPE_8x8) | |
154 | #define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused | |
155 | #define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused | |
156 | #define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused | |
157 | #define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused | |
7bc9090a MN |
158 | #define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED) |
159 | #define IS_QUANT(a) ((a)&MB_TYPE_QUANT) | |
0da71265 MN |
160 | #define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list)))) |
161 | #define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs | |
b40cd4e0 | 162 | #define HAS_CBP(a) ((a)&MB_TYPE_CBP) |
0da71265 | 163 | |
0da71265 MN |
164 | int field_poc[2]; ///< h264 top/bottom POC |
165 | int poc; ///< h264 frame POC | |
166 | int frame_num; ///< h264 frame_num | |
167 | int pic_id; ///< h264 pic_num or long_term_pic_idx | |
168 | int long_ref; ///< 1->long term reference 0->short term reference | |
169 | ||
277f4827 MN |
170 | int mb_var_sum; ///< sum of MB variance for current frame |
171 | int mc_mb_var_sum; ///< motion compensated MB variance for current frame | |
172 | uint16_t *mb_var; ///< Table for MB variances | |
173 | uint16_t *mc_mb_var; ///< Table for motion compensated MB variances | |
174 | uint8_t *mb_mean; ///< Table for MB luminance | |
8fc7c993 | 175 | int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decission FIXME remove |
0d1e9246 | 176 | int b_frame_score; /* */ |
1e491e29 MN |
177 | } Picture; |
178 | ||
d7425f59 | 179 | typedef struct ParseContext{ |
0c1a9eda | 180 | uint8_t *buffer; |
d7425f59 MN |
181 | int index; |
182 | int last_index; | |
183 | int buffer_size; | |
bb463d81 | 184 | uint32_t state; ///< contains the last few bytes in MSB order |
d7425f59 | 185 | int frame_start_found; |
bb463d81 MN |
186 | int overread; ///< the number of bytes which where irreversibly read from the next frame |
187 | int overread_index; ///< the index into ParseContext.buffer of the overreaded bytes | |
d7425f59 MN |
188 | } ParseContext; |
189 | ||
1457ab52 MN |
190 | struct MpegEncContext; |
191 | ||
277f4827 MN |
192 | /** |
193 | * Motion estimation context. | |
194 | */ | |
1457ab52 | 195 | typedef struct MotionEstContext{ |
277f4827 MN |
196 | int skip; ///< set if ME is skiped for the current MB |
197 | int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME | |
1457ab52 | 198 | int direct_basis_mv[4][2]; |
277f4827 MN |
199 | uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free |
200 | uint32_t *map; ///< map to avoid duplicate evaluations | |
201 | uint32_t *score_map; ///< map to store the scores | |
1457ab52 | 202 | int map_generation; |
826f429a | 203 | int pre_penalty_factor; |
1457ab52 MN |
204 | int penalty_factor; |
205 | int sub_penalty_factor; | |
67725183 | 206 | int mb_penalty_factor; |
277f4827 | 207 | int pre_pass; ///< = 1 for the pre pass |
826f429a | 208 | int dia_size; |
30952237 | 209 | uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV |
1457ab52 MN |
210 | int (*sub_motion_search)(struct MpegEncContext * s, |
211 | int *mx_ptr, int *my_ptr, int dmin, | |
212 | int xmin, int ymin, int xmax, int ymax, | |
213 | int pred_x, int pred_y, Picture *ref_picture, | |
30952237 | 214 | int n, int size, uint8_t * const mv_penalty); |
1457ab52 MN |
215 | int (*motion_search[7])(struct MpegEncContext * s, int block, |
216 | int *mx_ptr, int *my_ptr, | |
217 | int P[10][2], int pred_x, int pred_y, | |
826f429a | 218 | int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2], |
30952237 | 219 | int ref_mv_scale, uint8_t * const mv_penalty); |
826f429a MN |
220 | int (*pre_motion_search)(struct MpegEncContext * s, int block, |
221 | int *mx_ptr, int *my_ptr, | |
222 | int P[10][2], int pred_x, int pred_y, | |
b07a5980 | 223 | int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2], |
30952237 | 224 | int ref_mv_scale, uint8_t * const mv_penalty); |
67725183 | 225 | int (*get_mb_score)(struct MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture, |
30952237 | 226 | uint8_t * const mv_penalty); |
1457ab52 MN |
227 | }MotionEstContext; |
228 | ||
277f4827 MN |
229 | /** |
230 | * MpegEncContext. | |
231 | */ | |
de6d9b64 | 232 | typedef struct MpegEncContext { |
58f26ba9 | 233 | struct AVCodecContext *avctx; |
de6d9b64 | 234 | /* the following parameters must be initialized before encoding */ |
277f4827 | 235 | int width, height;///< picture size. must be a multiple of 16 |
de6d9b64 | 236 | int gop_size; |
277f4827 MN |
237 | int intra_only; ///< if true, only intra pictures are generated |
238 | int bit_rate; ///< wanted bit rate | |
277f4827 MN |
239 | enum OutputFormat out_format; ///< output format |
240 | int h263_pred; ///< use mpeg4/h263 ac/dc predictions | |
d7e9533a MN |
241 | |
242 | /* the following codec id fields are deprecated in favor of codec_id */ | |
277f4827 | 243 | int h263_plus; ///< h263 plus headers |
277f4827 | 244 | int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead) |
d4f5d74a | 245 | int h263_flv; ///< use flv h263 header |
d7e9533a MN |
246 | |
247 | int codec_id; /* see CODEC_ID_xxx */ | |
277f4827 | 248 | int fixed_qscale; ///< fixed qscale if non zero |
277f4827 MN |
249 | int encoding; ///< true if we are encoding (vs decoding) |
250 | int flags; ///< AVCodecContext.flags (HQ, MV4, ...) | |
251 | int max_b_frames; ///< max number of b-frames for encoding | |
7f2fe444 MN |
252 | int luma_elim_threshold; |
253 | int chroma_elim_threshold; | |
277f4827 MN |
254 | int strict_std_compliance; ///< strictly follow the std (MPEG4, ...) |
255 | int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically | |
de6d9b64 FB |
256 | /* the following fields are managed internally by the encoder */ |
257 | ||
277f4827 | 258 | /** bit output */ |
de6d9b64 FB |
259 | PutBitContext pb; |
260 | ||
261 | /* sequence parameters */ | |
262 | int context_initialized; | |
1031fabd MN |
263 | int input_picture_number; ///< used to set pic->display_picture_number, shouldnt be used for/by anything else |
264 | int coded_picture_number; ///< used to set pic->coded_picture_number, shouldnt be used for/by anything else | |
265 | int picture_number; //FIXME remove, unclear definition | |
277f4827 MN |
266 | int picture_in_gop_number; ///< 0-> first pic in gop, ... |
267 | int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input | |
268 | int mb_width, mb_height; ///< number of MBs horizontally & vertically | |
7bc9090a | 269 | int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressng of left & top MBs withoutt sig11 |
b40cd4e0 MN |
270 | int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressng |
271 | int b4_stride; ///< 4*mb_width+1 used for some 4x4 block arrays to allow simple addressng | |
277f4827 MN |
272 | int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replicateion) |
273 | int mb_num; ///< number of MBs of a picture | |
274 | int linesize; ///< line size, in bytes, may be different from width | |
275 | int uvlinesize; ///< line size, for chroma in bytes, may be different from width | |
b465449e | 276 | Picture *picture; ///< main picture buffer |
9d9e3172 MN |
277 | Picture **input_picture; ///< next pictures on display order for encoding |
278 | Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding | |
b536d0aa MN |
279 | |
280 | /** | |
281 | * copy of the previous picture structure. | |
282 | * note, linesize & data, might not match the previous picture (for field pictures) | |
283 | */ | |
284 | Picture last_picture; | |
285 | ||
286 | /** | |
287 | * copy of the next picture structure. | |
288 | * note, linesize & data, might not match the next picture (for field pictures) | |
289 | */ | |
290 | Picture next_picture; | |
291 | ||
292 | /** | |
293 | * copy of the source picture structure for encoding. | |
294 | * note, linesize & data, might not match the source picture (for field pictures) | |
295 | */ | |
296 | Picture new_picture; | |
297 | ||
298 | /** | |
299 | * copy of the current picture structure. | |
300 | * note, linesize & data, might not match the current picture (for field pictures) | |
301 | */ | |
277f4827 | 302 | Picture current_picture; ///< buffer to store the decompressed current picture |
b536d0aa MN |
303 | |
304 | Picture *last_picture_ptr; ///< pointer to the previous picture. | |
305 | Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred) | |
b536d0aa | 306 | Picture *current_picture_ptr; ///< pointer to the current picture |
0c9bbaec | 307 | uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization |
277f4827 MN |
308 | int last_dc[3]; ///< last DC values for MPEG1 |
309 | int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous | |
0da71265 | 310 | int16_t dc_cache[4*5]; |
de6d9b64 | 311 | int y_dc_scale, c_dc_scale; |
277f4827 MN |
312 | uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table |
313 | uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table | |
332f9ac4 | 314 | const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263) |
277f4827 MN |
315 | uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1) |
316 | int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous | |
de6d9b64 | 317 | int ac_pred; |
277f4827 | 318 | uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip |
f943e138 | 319 | #define PREV_PICT_TYPES_BUFFER_SIZE 256 |
277f4827 MN |
320 | int mb_skiped; ///< MUST BE SET only during DECODING |
321 | uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example) | |
9dbcbd92 | 322 | and used for b-frame encoding & decoding (contains skip table of next P Frame) */ |
277f4827 MN |
323 | uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding |
324 | uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding | |
325 | uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding | |
f7b47594 | 326 | uint8_t *allocated_edge_emu_buffer; |
277f4827 | 327 | uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer |
de6d9b64 | 328 | |
277f4827 | 329 | int qscale; ///< QP |
332f9ac4 | 330 | int chroma_qscale; ///< chroma QP |
158c7f05 MN |
331 | int lambda; ///< lagrange multipler used in rate distortion |
332 | int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT | |
333 | int *lambda_table; | |
277f4827 MN |
334 | int adaptive_quant; ///< use adaptive quantization |
335 | int dquant; ///< qscale difference to prev qscale | |
336 | int pict_type; ///< I_TYPE, P_TYPE, B_TYPE, ... | |
3aa102be | 337 | int last_pict_type; |
277f4827 | 338 | int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol |
de6d9b64 FB |
339 | int frame_rate_index; |
340 | /* motion compensation */ | |
277f4827 MN |
341 | int unrestricted_mv; ///< mv can point outside of the coded picture |
342 | int h263_long_vectors; ///< use horrible h263v1 long vector mode | |
0da71265 | 343 | int decode; ///< if 0 then decoding will be skiped (for encoding b frames for example) |
277f4827 MN |
344 | |
345 | DSPContext dsp; ///< pointers for accelerated dsp fucntions | |
346 | int f_code; ///< forward MV resolution | |
347 | int b_code; ///< backward MV resolution for B Frames (mpeg4) | |
7bc9090a MN |
348 | int16_t (*p_mv_table_base)[2]; |
349 | int16_t (*b_forw_mv_table_base)[2]; | |
350 | int16_t (*b_back_mv_table_base)[2]; | |
351 | int16_t (*b_bidir_forw_mv_table_base)[2]; | |
352 | int16_t (*b_bidir_back_mv_table_base)[2]; | |
353 | int16_t (*b_direct_mv_table_base)[2]; | |
277f4827 MN |
354 | int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) p-frame encoding |
355 | int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode b-frame encoding | |
356 | int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode b-frame encoding | |
357 | int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding | |
358 | int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding | |
359 | int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode b-frame encoding | |
360 | int me_method; ///< ME algorithm | |
1fb4890b | 361 | int scene_change_score; |
de6d9b64 | 362 | int mv_dir; |
e4eadb4b MN |
363 | #define MV_DIR_BACKWARD 1 |
364 | #define MV_DIR_FORWARD 2 | |
277f4827 | 365 | #define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4) |
de6d9b64 | 366 | int mv_type; |
277f4827 MN |
367 | #define MV_TYPE_16X16 0 ///< 1 vector for the whole mb |
368 | #define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV) | |
369 | #define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block | |
370 | #define MV_TYPE_FIELD 3 ///< 2 vectors, one per field | |
371 | #define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors | |
372 | /**motion vectors for a macroblock | |
de6d9b64 FB |
373 | first coordinate : 0 = forward 1 = backward |
374 | second " : depend on type | |
375 | third " : 0 = x, 1 = y | |
376 | */ | |
377 | int mv[2][4][2]; | |
378 | int field_select[2][2]; | |
277f4827 MN |
379 | int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG1 & B-frame MPEG4 |
380 | uint8_t *fcode_tab; ///< smallest fcode needed for each MV | |
1457ab52 MN |
381 | |
382 | MotionEstContext me; | |
de6d9b64 | 383 | |
277f4827 | 384 | int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...) |
91029be7 | 385 | for b-frames rounding mode is allways 0 */ |
de6d9b64 | 386 | |
277f4827 | 387 | int hurry_up; /**< when set to 1 during decoding, b frames will be skiped |
2417652e | 388 | when set to 2 idct/dequant will be skipped too */ |
c5d309f2 | 389 | |
de6d9b64 FB |
390 | /* macroblock layer */ |
391 | int mb_x, mb_y; | |
9b8709d1 | 392 | int mb_skip_run; |
de6d9b64 | 393 | int mb_intra; |
7bc9090a | 394 | uint8_t *mb_type; ///< Table for MB type FIXME remove and use picture->mb_type |
ba6802de MN |
395 | #define MB_TYPE_INTRA 0x01 |
396 | #define MB_TYPE_INTER 0x02 | |
397 | #define MB_TYPE_INTER4V 0x04 | |
398 | #define MB_TYPE_SKIPED 0x08 | |
7bc9090a | 399 | //#define MB_TYPE_GMC 0x10 |
7f2fe444 | 400 | |
ba6802de MN |
401 | #define MB_TYPE_DIRECT 0x10 |
402 | #define MB_TYPE_FORWARD 0x20 | |
9dbcbd92 | 403 | #define MB_TYPE_BACKWARD 0x40 |
ba6802de | 404 | #define MB_TYPE_BIDIR 0x80 |
4278e7a6 | 405 | |
277f4827 | 406 | int block_index[6]; ///< index to current MB in block based arrays with edges |
4278e7a6 | 407 | int block_wrap[6]; |
7d1c3fc1 | 408 | uint8_t *dest[3]; |
7bc9090a MN |
409 | |
410 | int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride | |
4278e7a6 | 411 | |
277f4827 | 412 | /** matrix transmitted in the bitstream */ |
0c1a9eda ZK |
413 | uint16_t intra_matrix[64]; |
414 | uint16_t chroma_intra_matrix[64]; | |
415 | uint16_t inter_matrix[64]; | |
416 | uint16_t chroma_inter_matrix[64]; | |
1984f635 | 417 | #define QUANT_BIAS_SHIFT 8 |
277f4827 MN |
418 | int intra_quant_bias; ///< bias for the quantizer |
419 | int inter_quant_bias; ///< bias for the quantizer | |
420 | int min_qcoeff; ///< minimum encodable coefficient | |
421 | int max_qcoeff; ///< maximum encodable coefficient | |
422 | int ac_esc_length; ///< num of bits needed to encode the longest esc | |
477ab036 MN |
423 | uint8_t *intra_ac_vlc_length; |
424 | uint8_t *intra_ac_vlc_last_length; | |
425 | uint8_t *inter_ac_vlc_length; | |
426 | uint8_t *inter_ac_vlc_last_length; | |
67725183 MN |
427 | uint8_t *luma_dc_vlc_length; |
428 | uint8_t *chroma_dc_vlc_length; | |
c442d75c | 429 | #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) |
477ab036 | 430 | |
f2f6134b MN |
431 | int coded_score[6]; |
432 | ||
277f4827 | 433 | /** precomputed matrix (combine qscale and DCT renorm) */ |
7e4995c3 MN |
434 | int (*q_intra_matrix)[64]; |
435 | int (*q_inter_matrix)[64]; | |
642ccefb MN |
436 | /** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/ |
437 | uint16_t (*q_intra_matrix16)[2][64]; | |
438 | uint16_t (*q_inter_matrix16)[2][64]; | |
277f4827 | 439 | int block_last_index[6]; ///< last non zero coefficient in block |
2ad1516a | 440 | /* scantables */ |
05c4072b | 441 | ScanTable __align8 intra_scantable; |
2ad1516a MN |
442 | ScanTable intra_h_scantable; |
443 | ScanTable intra_v_scantable; | |
277f4827 | 444 | ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage |
821cb11f MN |
445 | |
446 | /* noise reduction */ | |
447 | int (*dct_error_sum)[64]; | |
448 | int dct_count[2]; | |
449 | uint16_t (*dct_offset)[64]; | |
de6d9b64 | 450 | |
277f4827 | 451 | void *opaque; ///< private data for the user |
de6d9b64 FB |
452 | |
453 | /* bit rate control */ | |
9dbcbd92 | 454 | int I_frame_bits; //FIXME used in mpeg12 ... |
0c1a9eda ZK |
455 | int64_t wanted_bits; |
456 | int64_t total_bits; | |
277f4827 MN |
457 | int frame_bits; ///< bits used for the current frame |
458 | RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c | |
9cdd6a24 | 459 | |
098eefe1 MN |
460 | /* statistics, used for 2-pass encoding */ |
461 | int mv_bits; | |
462 | int header_bits; | |
463 | int i_tex_bits; | |
464 | int p_tex_bits; | |
465 | int i_count; | |
66370d3f MN |
466 | int f_count; |
467 | int b_count; | |
098eefe1 | 468 | int skip_count; |
277f4827 MN |
469 | int misc_bits; ///< cbp, mb_type |
470 | int last_bits; ///< temp var used for calculating the above vars | |
7f2fe444 MN |
471 | |
472 | /* error concealment / resync */ | |
7bc9090a | 473 | int error_count; |
277f4827 MN |
474 | uint8_t *error_status_table; ///< table of the error status of each MB |
475 | #define VP_START 1 ///< current MB is the first after a resync marker | |
4d2858de MN |
476 | #define AC_ERROR 2 |
477 | #define DC_ERROR 4 | |
478 | #define MV_ERROR 8 | |
479 | #define AC_END 16 | |
480 | #define DC_END 32 | |
481 | #define MV_END 64 | |
482 | //FIXME some prefix? | |
483 | ||
277f4827 MN |
484 | int resync_mb_x; ///< x position of last resync marker |
485 | int resync_mb_y; ///< y position of last resync marker | |
486 | GetBitContext last_resync_gb; ///< used to search for the next resync marker | |
487 | int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only) | |
488 | int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames | |
7f2fe444 | 489 | int error_resilience; |
d7425f59 MN |
490 | |
491 | ParseContext parse_context; | |
098eefe1 | 492 | |
102d3908 | 493 | /* H.263 specific */ |
644d98a4 | 494 | int gob_index; |
dba019da | 495 | int obmc; ///< overlapped block motion compensation |
d140623f | 496 | |
544286b3 | 497 | /* H.263+ specific */ |
277f4827 MN |
498 | int umvplus; ///< == H263+ && unrestricted_mv |
499 | int h263_aic; ///< Advanded INTRA Coding (AIC) | |
ba58dabc MN |
500 | int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top |
501 | int h263_slice_structured; | |
dba019da | 502 | int alt_inter_vlc; ///< alternative inter vlc |
68b94c35 | 503 | int modified_quant; |
ba58dabc | 504 | int loop_filter; |
544286b3 | 505 | |
de6d9b64 | 506 | /* mpeg4 specific */ |
6f91bcd1 | 507 | int time_increment_resolution; |
277f4827 | 508 | int time_increment_bits; ///< number of bits to represent the fractional part of time |
9dbcbd92 | 509 | int last_time_base; |
277f4827 MN |
510 | int time_base; ///< time in seconds of last I,P,S Frame |
511 | int64_t time; ///< time of current frame | |
0c1a9eda | 512 | int64_t last_non_b_time; |
277f4827 MN |
513 | uint16_t pp_time; ///< time distance between the last 2 p,s,i frames |
514 | uint16_t pb_time; ///< time distance between the last b and p,s,i frame | |
0c1a9eda | 515 | uint16_t pp_field_time; |
277f4827 | 516 | uint16_t pb_field_time; ///< like above, just for interlaced |
1a565432 FB |
517 | int shape; |
518 | int vol_sprite_usage; | |
cc9ba006 MN |
519 | int sprite_width; |
520 | int sprite_height; | |
521 | int sprite_left; | |
522 | int sprite_top; | |
523 | int sprite_brightness_change; | |
73c8e514 | 524 | int num_sprite_warping_points; |
44eb4951 | 525 | int real_sprite_warping_points; |
277f4827 MN |
526 | int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY] |
527 | int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY] | |
528 | int sprite_shift[2]; ///< sprite shift [isChroma] | |
73c8e514 | 529 | int mcsel; |
1a565432 | 530 | int quant_precision; |
277f4827 | 531 | int quarter_sample; ///< 1->qpel, 0->half pel ME/MC |
cc9ba006 | 532 | int scalability; |
0fd90455 MN |
533 | int hierachy_type; |
534 | int enhancement_type; | |
cc9ba006 MN |
535 | int new_pred; |
536 | int reduced_res_vop; | |
0da71265 | 537 | int aspect_ratio_info; //FIXME remove |
cc9ba006 MN |
538 | int sprite_warping_accuracy; |
539 | int low_latency_sprite; | |
277f4827 MN |
540 | int data_partitioning; ///< data partitioning flag from header |
541 | int partitioned_frame; ///< is current frame partitioned | |
542 | int rvlc; ///< reversible vlc | |
543 | int resync_marker; ///< could this stream contain resync markers | |
544 | int low_delay; ///< no reordering needed / has no b-frames | |
1ff662cc | 545 | int vo_type; |
277f4827 | 546 | int vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders |
34790165 | 547 | int intra_dc_threshold; ///< QP above whch the ac VLC should be used for intra dc |
277f4827 MN |
548 | PutBitContext tex_pb; ///< used for data partitioned VOPs |
549 | PutBitContext pb2; ///< used for data partitioned VOPs | |
7f2fe444 MN |
550 | #define PB_BUFFER_SIZE 1024*256 |
551 | uint8_t *tex_pb_buffer; | |
552 | uint8_t *pb2_buffer; | |
d930ef19 | 553 | int mpeg_quant; |
277f4827 MN |
554 | int16_t (*field_mv_table)[2][2]; ///< used for interlaced b frame decoding |
555 | int8_t (*field_select_table)[2]; ///< wtf, no really another table for interlaced b frames | |
556 | int t_frame; ///< time distance of first I -> B, used for interlaced b frames | |
557 | int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4 | |
44eb4951 MN |
558 | |
559 | /* divx specific, used to workaround (many) bugs in divx5 */ | |
560 | int divx_version; | |
561 | int divx_build; | |
d5a21172 | 562 | int divx_packed; |
eec1c6b9 | 563 | #define BITSTREAM_BUFFER_SIZE 1024*256 |
0c1a9eda | 564 | uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them |
eec1c6b9 MN |
565 | int bitstream_buffer_size; |
566 | ||
7da71a5c MN |
567 | int xvid_build; |
568 | ||
4d2858de MN |
569 | /* lavc specific stuff, used to workaround bugs in libavcodec */ |
570 | int ffmpeg_version; | |
571 | int lavc_build; | |
572 | ||
de6d9b64 | 573 | /* RV10 specific */ |
277f4827 | 574 | int rv10_version; ///< RV10 version: 0 or 3 |
de6d9b64 FB |
575 | int rv10_first_dc_coded[3]; |
576 | ||
577 | /* MJPEG specific */ | |
578 | struct MJpegContext *mjpeg_ctx; | |
277f4827 MN |
579 | int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1} |
580 | int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1} | |
581 | int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ? | |
582 | int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers | |
de6d9b64 FB |
583 | |
584 | /* MSMPEG4 specific */ | |
585 | int mv_table_index; | |
586 | int rl_table_index; | |
587 | int rl_chroma_table_index; | |
588 | int dc_table_index; | |
589 | int use_skip_mb_code; | |
277f4827 MN |
590 | int slice_height; ///< in macroblocks |
591 | int first_slice_line; ///< used in mpeg4 too to handle resync markers | |
ae40484c | 592 | int flipflop_rounding; |
277f4827 | 593 | int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8 |
0151a6f5 MN |
594 | int per_mb_rl_table; |
595 | int esc3_level_length; | |
596 | int esc3_run_length; | |
277f4827 | 597 | /** [mb_intra][isChroma][level][run][last] */ |
6b460aa3 | 598 | int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]; |
de0f2f4c | 599 | int inter_intra_pred; |
1457ab52 | 600 | int mspel; |
0151a6f5 | 601 | |
de6d9b64 FB |
602 | /* decompression specific */ |
603 | GetBitContext gb; | |
604 | ||
1e491e29 | 605 | /* Mpeg1 specific */ |
277f4827 MN |
606 | int fake_picture_number; ///< picture number at the bitstream frame rate |
607 | int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific | |
608 | int last_mv_dir; ///< last mv_dir, used for b frame encoding | |
0da71265 | 609 | int broken_link; ///< no_output_of_prior_pics_flag |
d60a8f85 | 610 | uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream |
1e491e29 | 611 | |
de6d9b64 FB |
612 | /* MPEG2 specific - I wish I had not to support this mess. */ |
613 | int progressive_sequence; | |
614 | int mpeg_f_code[2][2]; | |
615 | int picture_structure; | |
616 | /* picture type */ | |
617 | #define PICT_TOP_FIELD 1 | |
618 | #define PICT_BOTTOM_FIELD 2 | |
619 | #define PICT_FRAME 3 | |
620 | ||
621 | int intra_dc_precision; | |
622 | int frame_pred_frame_dct; | |
623 | int top_field_first; | |
624 | int concealment_motion_vectors; | |
625 | int q_scale_type; | |
626 | int intra_vlc_format; | |
627 | int alternate_scan; | |
628 | int repeat_first_field; | |
629 | int chroma_420_type; | |
630 | int progressive_frame; | |
de6d9b64 FB |
631 | int full_pel[2]; |
632 | int interlaced_dct; | |
de6d9b64 | 633 | int first_slice; |
c3bf0288 | 634 | int first_field; ///< is 1 for the first field of a field picture 0 otherwise |
ba58dabc | 635 | |
644d98a4 | 636 | /* RTP specific */ |
e4eadb4b | 637 | int rtp_mode; |
ba58dabc | 638 | |
0c1a9eda | 639 | uint8_t *ptr_lastgob; |
a579db0c IK |
640 | int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped |
641 | short * pblocks[12]; | |
644d98a4 | 642 | |
277f4827 | 643 | DCTELEM (*block)[64]; ///< points to one of the following blocks |
45686da2 | 644 | DCTELEM (*blocks)[6][64]; // for HQ mode we need to keep the best block |
4d2858de MN |
645 | int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch() |
646 | #define SLICE_OK 0 | |
647 | #define SLICE_ERROR -1 | |
c3bf0288 MN |
648 | #define SLICE_END -2 ///<end marker found |
649 | #define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded | |
4d2858de | 650 | |
d50635cd | 651 | void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s, |
67309e49 | 652 | DCTELEM *block/*align 16*/, int n, int qscale); |
d50635cd | 653 | void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s, |
67309e49 | 654 | DCTELEM *block/*align 16*/, int n, int qscale); |
d50635cd | 655 | void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s, |
67309e49 | 656 | DCTELEM *block/*align 16*/, int n, int qscale); |
d50635cd MN |
657 | void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s, |
658 | DCTELEM *block/*align 16*/, int n, int qscale); | |
659 | void (*dct_unquantize_h263_intra)(struct MpegEncContext *s, | |
660 | DCTELEM *block/*align 16*/, int n, int qscale); | |
661 | void (*dct_unquantize_h263_inter)(struct MpegEncContext *s, | |
662 | DCTELEM *block/*align 16*/, int n, int qscale); | |
663 | void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both) | |
664 | DCTELEM *block/*align 16*/, int n, int qscale); | |
665 | void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both) | |
67309e49 MN |
666 | DCTELEM *block/*align 16*/, int n, int qscale); |
667 | int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow); | |
3a87ac94 | 668 | int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow); |
de6d9b64 FB |
669 | } MpegEncContext; |
670 | ||
4d2858de | 671 | |
defdfc9a | 672 | int DCT_common_init(MpegEncContext *s); |
de6d9b64 FB |
673 | int MPV_common_init(MpegEncContext *s); |
674 | void MPV_common_end(MpegEncContext *s); | |
675 | void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]); | |
d6db1c9c | 676 | int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx); |
de6d9b64 | 677 | void MPV_frame_end(MpegEncContext *s); |
1457ab52 MN |
678 | int MPV_encode_init(AVCodecContext *avctx); |
679 | int MPV_encode_end(AVCodecContext *avctx); | |
680 | int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data); | |
21af69f7 FB |
681 | #ifdef HAVE_MMX |
682 | void MPV_common_init_mmx(MpegEncContext *s); | |
683 | #endif | |
e0580f8c FH |
684 | #ifdef ARCH_ALPHA |
685 | void MPV_common_init_axp(MpegEncContext *s); | |
686 | #endif | |
c7e07931 MO |
687 | #ifdef HAVE_MLIB |
688 | void MPV_common_init_mlib(MpegEncContext *s); | |
689 | #endif | |
5917d17c LS |
690 | #ifdef HAVE_MMI |
691 | void MPV_common_init_mmi(MpegEncContext *s); | |
692 | #endif | |
83f238cb | 693 | #ifdef ARCH_ARMV4L |
d43b10ec | 694 | void MPV_common_init_armv4l(MpegEncContext *s); |
83f238cb | 695 | #endif |
05c4072b MN |
696 | #ifdef ARCH_POWERPC |
697 | void MPV_common_init_ppc(MpegEncContext *s); | |
698 | #endif | |
0c1a9eda | 699 | extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w); |
0c1a9eda | 700 | void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length); |
7f2fe444 | 701 | void ff_clean_intra_table_entries(MpegEncContext *s); |
3d2e8cce | 702 | void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); |
640950c7 | 703 | void ff_draw_horiz_band(MpegEncContext *s, int y, int h); |
c009df3f | 704 | void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h, |
1457ab52 | 705 | int src_x, int src_y, int w, int h); |
bb463d81 | 706 | #define END_NOT_FOUND -100 |
b7a22d84 | 707 | int ff_combine_frame( MpegEncContext *s, int next, uint8_t **buf, int *buf_size); |
7a06ff14 | 708 | void ff_mpeg_flush(AVCodecContext *avctx); |
0c9bbaec | 709 | void ff_print_debug_info(MpegEncContext *s, AVFrame *pict); |
d6eb3c50 | 710 | void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix); |
5f194811 | 711 | int ff_find_unused_picture(MpegEncContext *s, int shared); |
821cb11f | 712 | void ff_denoise_dct(MpegEncContext *s, DCTELEM *block); |
59b571c1 | 713 | |
46b4feec MN |
714 | void ff_er_frame_start(MpegEncContext *s); |
715 | void ff_er_frame_end(MpegEncContext *s); | |
716 | void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status); | |
717 | ||
718 | ||
a33c7159 | 719 | extern enum PixelFormat ff_yuv420p_list[2]; |
de6d9b64 | 720 | |
7d1c3fc1 | 721 | void ff_init_block_index(MpegEncContext *s); |
4d2858de MN |
722 | |
723 | static inline void ff_update_block_index(MpegEncContext *s){ | |
724 | s->block_index[0]+=2; | |
725 | s->block_index[1]+=2; | |
726 | s->block_index[2]+=2; | |
727 | s->block_index[3]+=2; | |
728 | s->block_index[4]++; | |
729 | s->block_index[5]++; | |
7d1c3fc1 MN |
730 | s->dest[0]+= 16; |
731 | s->dest[1]+= 8; | |
732 | s->dest[2]+= 8; | |
4d2858de MN |
733 | } |
734 | ||
4d2a4834 MN |
735 | static inline int get_bits_diff(MpegEncContext *s){ |
736 | const int bits= get_bit_count(&s->pb); | |
737 | const int last= s->last_bits; | |
738 | ||
739 | s->last_bits = bits; | |
740 | ||
741 | return bits - last; | |
742 | } | |
4d2858de | 743 | |
de6d9b64 | 744 | /* motion_est.c */ |
9dbcbd92 MN |
745 | void ff_estimate_p_frame_motion(MpegEncContext * s, |
746 | int mb_x, int mb_y); | |
747 | void ff_estimate_b_frame_motion(MpegEncContext * s, | |
748 | int mb_x, int mb_y); | |
749 | int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type); | |
750 | void ff_fix_long_p_mvs(MpegEncContext * s); | |
751 | void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type); | |
1457ab52 | 752 | void ff_init_me(MpegEncContext *s); |
f5fb6b34 | 753 | int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y); |
de6d9b64 | 754 | |
4d2858de | 755 | |
de6d9b64 | 756 | /* mpeg12.c */ |
0c1a9eda ZK |
757 | extern const int16_t ff_mpeg1_default_intra_matrix[64]; |
758 | extern const int16_t ff_mpeg1_default_non_intra_matrix[64]; | |
759 | extern uint8_t ff_mpeg1_dc_scale_table[128]; | |
de6d9b64 FB |
760 | |
761 | void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number); | |
762 | void mpeg1_encode_mb(MpegEncContext *s, | |
763 | DCTELEM block[6][64], | |
764 | int motion_x, int motion_y); | |
0151a6f5 | 765 | void ff_mpeg1_encode_init(MpegEncContext *s); |
9b8709d1 MN |
766 | void ff_mpeg1_encode_slice_header(MpegEncContext *s); |
767 | void ff_mpeg1_clean_buffers(MpegEncContext *s); | |
de6d9b64 | 768 | |
4d2858de | 769 | |
277f4827 | 770 | /** RLTable. */ |
de6d9b64 | 771 | typedef struct RLTable { |
277f4827 MN |
772 | int n; ///< number of entries of table_vlc minus 1 |
773 | int last; ///< number of values for last = 0 | |
0c1a9eda ZK |
774 | const uint16_t (*table_vlc)[2]; |
775 | const int8_t *table_run; | |
776 | const int8_t *table_level; | |
277f4827 MN |
777 | uint8_t *index_run[2]; ///< encoding only |
778 | int8_t *max_level[2]; ///< encoding & decoding | |
779 | int8_t *max_run[2]; ///< encoding & decoding | |
780 | VLC vlc; ///< decoding only deprected FIXME remove | |
781 | RL_VLC_ELEM *rl_vlc[32]; ///< decoding only | |
de6d9b64 FB |
782 | } RLTable; |
783 | ||
784 | void init_rl(RLTable *rl); | |
785 | void init_vlc_rl(RLTable *rl); | |
786 | ||
3232bc88 | 787 | static inline int get_rl_index(const RLTable *rl, int last, int run, int level) |
de6d9b64 FB |
788 | { |
789 | int index; | |
790 | index = rl->index_run[last][run]; | |
791 | if (index >= rl->n) | |
792 | return rl->n; | |
793 | if (level > rl->max_level[last][run]) | |
794 | return rl->n; | |
795 | return index + level - 1; | |
796 | } | |
797 | ||
0c1a9eda ZK |
798 | extern uint8_t ff_mpeg4_y_dc_scale_table[32]; |
799 | extern uint8_t ff_mpeg4_c_dc_scale_table[32]; | |
68b94c35 | 800 | extern uint8_t ff_aic_dc_scale_table[32]; |
0c1a9eda ZK |
801 | extern const int16_t ff_mpeg4_default_intra_matrix[64]; |
802 | extern const int16_t ff_mpeg4_default_non_intra_matrix[64]; | |
332f9ac4 MN |
803 | extern const uint8_t ff_h263_chroma_qscale_table[32]; |
804 | extern const uint8_t ff_h263_loop_filter_strength[32]; | |
68b94c35 | 805 | |
554daa24 | 806 | |
1457ab52 MN |
807 | int ff_h263_decode_init(AVCodecContext *avctx); |
808 | int ff_h263_decode_frame(AVCodecContext *avctx, | |
809 | void *data, int *data_size, | |
0c1a9eda | 810 | uint8_t *buf, int buf_size); |
1457ab52 | 811 | int ff_h263_decode_end(AVCodecContext *avctx); |
de6d9b64 FB |
812 | void h263_encode_mb(MpegEncContext *s, |
813 | DCTELEM block[6][64], | |
814 | int motion_x, int motion_y); | |
d6231b9e MN |
815 | void mpeg4_encode_mb(MpegEncContext *s, |
816 | DCTELEM block[6][64], | |
817 | int motion_x, int motion_y); | |
de6d9b64 | 818 | void h263_encode_picture_header(MpegEncContext *s, int picture_number); |
44a2950f | 819 | void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number); |
ba58dabc | 820 | void h263_encode_gob_header(MpegEncContext * s, int mb_line); |
0c1a9eda | 821 | int16_t *h263_pred_motion(MpegEncContext * s, int block, |
de6d9b64 | 822 | int *px, int *py); |
0e15384d | 823 | void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, |
de6d9b64 | 824 | int dir); |
91029be7 | 825 | void ff_set_mpeg4_time(MpegEncContext * s, int picture_number); |
de6d9b64 | 826 | void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number); |
45870f57 | 827 | void h263_encode_init(MpegEncContext *s); |
de6d9b64 FB |
828 | void h263_decode_init_vlc(MpegEncContext *s); |
829 | int h263_decode_picture_header(MpegEncContext *s); | |
4d2858de | 830 | int ff_h263_decode_gob_header(MpegEncContext *s); |
b704e742 | 831 | int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb); |
7d1c3fc1 | 832 | void ff_h263_update_motion_val(MpegEncContext * s); |
cdb4e730 | 833 | void ff_h263_loop_filter(MpegEncContext * s); |
554daa24 | 834 | void ff_set_qscale(MpegEncContext * s, int qscale); |
ba58dabc MN |
835 | int ff_h263_decode_mba(MpegEncContext *s); |
836 | void ff_h263_encode_mba(MpegEncContext *s); | |
b704e742 | 837 | |
de6d9b64 | 838 | int intel_h263_decode_picture_header(MpegEncContext *s); |
d4f5d74a | 839 | int flv_h263_decode_picture_header(MpegEncContext *s); |
4d2858de MN |
840 | int ff_h263_decode_mb(MpegEncContext *s, |
841 | DCTELEM block[6][64]); | |
fcfee63b MN |
842 | int ff_mpeg4_decode_mb(MpegEncContext *s, |
843 | DCTELEM block[6][64]); | |
de6d9b64 | 844 | int h263_get_picture_format(int width, int height); |
7f2fe444 MN |
845 | void ff_mpeg4_encode_video_packet_header(MpegEncContext *s); |
846 | void ff_mpeg4_clean_buffers(MpegEncContext *s); | |
847 | void ff_mpeg4_stuffing(PutBitContext * pbc); | |
848 | void ff_mpeg4_init_partitions(MpegEncContext *s); | |
849 | void ff_mpeg4_merge_partitions(MpegEncContext *s); | |
c5d309f2 | 850 | void ff_clean_mpeg4_qscales(MpegEncContext *s); |
9e4c6948 | 851 | void ff_clean_h263_qscales(MpegEncContext *s); |
4d2858de MN |
852 | int ff_mpeg4_decode_partitions(MpegEncContext *s); |
853 | int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s); | |
854 | int ff_h263_resync(MpegEncContext *s); | |
855 | int ff_h263_get_gob_height(MpegEncContext *s); | |
7bc9090a | 856 | int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); |
67725183 | 857 | inline int ff_h263_round_chroma(int x); |
4d2858de | 858 | |
de6d9b64 FB |
859 | |
860 | /* rv10.c */ | |
861 | void rv10_encode_picture_header(MpegEncContext *s, int picture_number); | |
862 | int rv_decode_dc(MpegEncContext *s, int n); | |
863 | ||
4d2858de | 864 | |
de6d9b64 FB |
865 | /* msmpeg4.c */ |
866 | void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number); | |
ae40484c | 867 | void msmpeg4_encode_ext_header(MpegEncContext * s); |
de6d9b64 FB |
868 | void msmpeg4_encode_mb(MpegEncContext * s, |
869 | DCTELEM block[6][64], | |
870 | int motion_x, int motion_y); | |
de6d9b64 | 871 | int msmpeg4_decode_picture_header(MpegEncContext * s); |
ae40484c | 872 | int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size); |
0151a6f5 MN |
873 | int ff_msmpeg4_decode_init(MpegEncContext *s); |
874 | void ff_msmpeg4_encode_init(MpegEncContext *s); | |
1457ab52 | 875 | int ff_wmv2_decode_picture_header(MpegEncContext * s); |
b1609412 | 876 | int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s); |
1457ab52 MN |
877 | void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr); |
878 | void ff_mspel_motion(MpegEncContext *s, | |
0c1a9eda ZK |
879 | uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
880 | uint8_t **ref_picture, op_pixels_func (*pix_op)[4], | |
1457ab52 MN |
881 | int motion_x, int motion_y, int h); |
882 | int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number); | |
883 | void ff_wmv2_encode_mb(MpegEncContext * s, | |
884 | DCTELEM block[6][64], | |
885 | int motion_x, int motion_y); | |
de6d9b64 | 886 | |
c009df3f | 887 | /* mjpeg.c */ |
de6d9b64 FB |
888 | int mjpeg_init(MpegEncContext *s); |
889 | void mjpeg_close(MpegEncContext *s); | |
890 | void mjpeg_encode_mb(MpegEncContext *s, | |
891 | DCTELEM block[6][64]); | |
892 | void mjpeg_picture_header(MpegEncContext *s); | |
893 | void mjpeg_picture_trailer(MpegEncContext *s); | |
8b4c7dbc | 894 | |
4d2858de | 895 | |
8b4c7dbc MN |
896 | /* rate control */ |
897 | int ff_rate_control_init(MpegEncContext *s); | |
c5d309f2 | 898 | float ff_rate_estimate_qscale(MpegEncContext *s); |
8b4c7dbc MN |
899 | void ff_write_pass1_stats(MpegEncContext *s); |
900 | void ff_rate_control_uninit(MpegEncContext *s); | |
5c91a675 ZK |
901 | double ff_eval(char *s, double *const_value, const char **const_name, |
902 | double (**func1)(void *, double), const char **func1_name, | |
3aa102be MN |
903 | double (**func2)(void *, double, double), char **func2_name, |
904 | void *opaque); | |
11dffbe1 | 905 | int ff_vbv_update(MpegEncContext *s, int frame_size); |
3aa102be | 906 | |
8b4c7dbc | 907 | |
cd4af68a | 908 | #endif /* AVCODEC_MPEGVIDEO_H */ |