Remove explicit filename from Doxygen @file commands.
[libav.git] / libavcodec / mpegvideo.h
CommitLineData
de6d9b64
FB
1/*
2 * Generic DCT based hybrid video encoder
406792e7 3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
8f2ab833 4 * Copyright (c) 2002-2004 Michael Niedermayer
de6d9b64 5 *
b78e7197
DB
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
ff4ec49e
FB
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
b78e7197 11 * version 2.1 of the License, or (at your option) any later version.
de6d9b64 12 *
b78e7197 13 * FFmpeg is distributed in the hope that it will be useful,
de6d9b64 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ff4ec49e
FB
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
de6d9b64 17 *
ff4ec49e 18 * You should have received a copy of the GNU Lesser General Public
b78e7197 19 * License along with FFmpeg; if not, write to the Free Software
5509bffa 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
de6d9b64
FB
21 */
22
983e3246 23/**
ba87f080 24 * @file
983e3246
MN
25 * mpegvideo header.
26 */
115329f1 27
98790382
SS
28#ifndef AVCODEC_MPEGVIDEO_H
29#define AVCODEC_MPEGVIDEO_H
cd4af68a 30
5c91a675 31#include "dsputil.h"
9106a698 32#include "get_bits.h"
b2755007 33#include "put_bits.h"
0de9926f 34#include "ratecontrol.h"
4067d81b 35#include "parser.h"
3bfe9260 36#include "mpeg12data.h"
6d934615 37#include "rl.h"
5c91a675 38
160d679c 39#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
eec1c6b9 40
de6d9b64
FB
41enum OutputFormat {
42 FMT_MPEG1,
c6148de2 43 FMT_H261,
de6d9b64 44 FMT_H263,
115329f1 45 FMT_MJPEG,
0da71265 46 FMT_H264,
de6d9b64
FB
47};
48
49#define MPEG_BUF_SIZE (16 * 1024)
50
ad324c93
MN
51#define QMAT_SHIFT_MMX 16
52#define QMAT_SHIFT 22
2f349de2 53
45870f57
MN
54#define MAX_FCODE 7
55#define MAX_MV 2048
1e491e29 56
e8b78541 57#define MAX_THREADS 16
9c3d33d6 58
5cbb0e70 59#define MAX_PICTURE_COUNT 32
45870f57 60
7f2fe444
MN
61#define ME_MAP_SIZE 64
62#define ME_MAP_SHIFT 3
63#define ME_MAP_MV_BITS 11
64
0ecca7a4
MN
65#define MAX_MB_BYTES (30*16*16*3/8 + 120)
66
07fc2b82
MN
67#define INPLACE_OFFSET 16
68
7f50d4ac
AJ
69/* Start codes. */
70#define SEQ_END_CODE 0x000001b7
71#define SEQ_START_CODE 0x000001b3
72#define GOP_START_CODE 0x000001b8
73#define PICTURE_START_CODE 0x00000100
74#define SLICE_MIN_START_CODE 0x00000101
75#define SLICE_MAX_START_CODE 0x000001af
76#define EXT_START_CODE 0x000001b5
77#define USER_START_CODE 0x000001b2
78
277f4827 79/**
277f4827
MN
80 * Picture.
81 */
1e491e29 82typedef struct Picture{
492cd3a9 83 FF_COMMON_FRAME
1e491e29 84
0da71265
MN
85 /**
86 * halfpel luma planes.
87 */
88 uint8_t *interpolated[3];
b40cd4e0 89 int16_t (*motion_val_base[2])[2];
7bc9090a 90 uint32_t *mb_type_base;
d0b53d05 91#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
0da71265
MN
92#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
93#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
7bc9090a
MN
94#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
95#define IS_INTRA(a) ((a)&7)
0da71265 96#define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
7bc9090a 97#define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
0da71265
MN
98#define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
99#define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
100#define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
7bc9090a 101#define IS_GMC(a) ((a)&MB_TYPE_GMC)
0da71265
MN
102#define IS_16X16(a) ((a)&MB_TYPE_16x16)
103#define IS_16X8(a) ((a)&MB_TYPE_16x8)
104#define IS_8X16(a) ((a)&MB_TYPE_8x16)
105#define IS_8X8(a) ((a)&MB_TYPE_8x8)
106#define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
107#define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
108#define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
109#define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
7bc9090a
MN
110#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
111#define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
0da71265 112#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
755bfeab 113#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs
b40cd4e0 114#define HAS_CBP(a) ((a)&MB_TYPE_CBP)
0da71265 115
0da71265
MN
116 int field_poc[2]; ///< h264 top/bottom POC
117 int poc; ///< h264 frame POC
bcc3476c 118 int frame_num; ///< h264 frame_num (raw frame_num from slice header)
c173a088 119 int mmco_reset; ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
bcc3476c
JD
120 int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
121 pic_num & max_pic_num; long -> long_pic_num) */
0da71265 122 int long_ref; ///< 1->long term reference 0->short term reference
2879c75f
MN
123 int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
124 int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
48e025e5 125 int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
0da71265 126
115329f1
DB
127 int mb_var_sum; ///< sum of MB variance for current frame
128 int mc_mb_var_sum; ///< motion compensated MB variance for current frame
129 uint16_t *mb_var; ///< Table for MB variances
130 uint16_t *mc_mb_var; ///< Table for motion compensated MB variances
131 uint8_t *mb_mean; ///< Table for MB luminance
bb270c08 132 int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decision FIXME remove
0d1e9246 133 int b_frame_score; /* */
1e491e29
MN
134} Picture;
135
1457ab52
MN
136struct MpegEncContext;
137
277f4827
MN
138/**
139 * Motion estimation context.
140 */
1457ab52 141typedef struct MotionEstContext{
1f202b0d 142 AVCodecContext *avctx;
115329f1 143 int skip; ///< set if ME is skipped for the current MB
755bfeab 144 int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME
1457ab52 145 int direct_basis_mv[4][2];
755bfeab 146 uint8_t *scratchpad; ///< data area for the ME algo, so that the ME does not need to malloc/free
2750b827
MN
147 uint8_t *best_mb;
148 uint8_t *temp_mb[2];
149 uint8_t *temp;
150 int best_bits;
115329f1
DB
151 uint32_t *map; ///< map to avoid duplicate evaluations
152 uint32_t *score_map; ///< map to store the scores
153 int map_generation;
826f429a 154 int pre_penalty_factor;
bb21f176
GP
155 int penalty_factor; /*!< an estimate of the bits required to
156 code a given mv value, e.g. (1,0) takes
157 more bits than (0,0). We have to
158 estimate whether any reduction in
159 residual is worth the extra bits. */
1457ab52 160 int sub_penalty_factor;
67725183 161 int mb_penalty_factor;
2750b827
MN
162 int flags;
163 int sub_flags;
164 int mb_flags;
115329f1 165 int pre_pass; ///< = 1 for the pre pass
826f429a 166 int dia_size;
bb198e19
MN
167 int xmin;
168 int xmax;
169 int ymin;
170 int ymax;
2750b827
MN
171 int pred_x;
172 int pred_y;
173 uint8_t *src[4][4];
174 uint8_t *ref[4][4];
175 int stride;
176 int uvstride;
1f202b0d
MN
177 /* temp variables for picture complexity calculation */
178 int mc_mb_var_sum_temp;
179 int mb_var_sum_temp;
180 int scene_change_score;
2750b827
MN
181/* cmp, chroma_cmp;*/
182 op_pixels_func (*hpel_put)[4];
183 op_pixels_func (*hpel_avg)[4];
2750b827
MN
184 qpel_mc_func (*qpel_put)[16];
185 qpel_mc_func (*qpel_avg)[16];
115329f1 186 uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV
2750b827 187 uint8_t *current_mv_penalty;
1457ab52 188 int (*sub_motion_search)(struct MpegEncContext * s,
bb270c08 189 int *mx_ptr, int *my_ptr, int dmin,
2750b827
MN
190 int src_index, int ref_index,
191 int size, int h);
1457ab52
MN
192}MotionEstContext;
193
277f4827
MN
194/**
195 * MpegEncContext.
196 */
de6d9b64 197typedef struct MpegEncContext {
58f26ba9 198 struct AVCodecContext *avctx;
de6d9b64 199 /* the following parameters must be initialized before encoding */
115329f1 200 int width, height;///< picture size. must be a multiple of 16
de6d9b64 201 int gop_size;
115329f1
DB
202 int intra_only; ///< if true, only intra pictures are generated
203 int bit_rate; ///< wanted bit rate
204 enum OutputFormat out_format; ///< output format
205 int h263_pred; ///< use mpeg4/h263 ac/dc predictions
91ba181a 206 int pb_frame; ///< PB frame mode (0 = none, 1 = base, 2 = improved)
d7e9533a
MN
207
208/* the following codec id fields are deprecated in favor of codec_id */
115329f1 209 int h263_plus; ///< h263 plus headers
277f4827 210 int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)
115329f1
DB
211 int h263_flv; ///< use flv h263 header
212
0f242af2 213 enum CodecID codec_id; /* see CODEC_ID_xxx */
115329f1
DB
214 int fixed_qscale; ///< fixed qscale if non zero
215 int encoding; ///< true if we are encoding (vs decoding)
216 int flags; ///< AVCodecContext.flags (HQ, MV4, ...)
303e50e6 217 int flags2; ///< AVCodecContext.flags2
115329f1 218 int max_b_frames; ///< max number of b-frames for encoding
7f2fe444
MN
219 int luma_elim_threshold;
220 int chroma_elim_threshold;
115329f1
DB
221 int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
222 int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
17662955
BC
223 int codec_tag; ///< internal codec_tag upper case converted from avctx codec_tag
224 int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag
de6d9b64
FB
225 /* the following fields are managed internally by the encoder */
226
277f4827 227 /** bit output */
de6d9b64
FB
228 PutBitContext pb;
229
230 /* sequence parameters */
231 int context_initialized;
755bfeab
DB
232 int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
233 int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else
1031fabd 234 int picture_number; //FIXME remove, unclear definition
115329f1
DB
235 int picture_in_gop_number; ///< 0-> first pic in gop, ...
236 int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
e51f4948 237 int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
115329f1 238 int mb_width, mb_height; ///< number of MBs horizontally & vertically
bb628dae
DB
239 int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
240 int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
241 int b4_stride; ///< 4*mb_width+1 used for some 4x4 block arrays to allow simple addressing
242 int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replication)
115329f1
DB
243 int mb_num; ///< number of MBs of a picture
244 int linesize; ///< line size, in bytes, may be different from width
245 int uvlinesize; ///< line size, for chroma in bytes, may be different from width
246 Picture *picture; ///< main picture buffer
9d9e3172
MN
247 Picture **input_picture; ///< next pictures on display order for encoding
248 Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
115329f1 249
9c3d33d6
MN
250 int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
251 int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
252 struct MpegEncContext *thread_context[MAX_THREADS];
115329f1
DB
253
254 /**
b536d0aa
MN
255 * copy of the previous picture structure.
256 * note, linesize & data, might not match the previous picture (for field pictures)
257 */
115329f1
DB
258 Picture last_picture;
259
260 /**
b536d0aa
MN
261 * copy of the next picture structure.
262 * note, linesize & data, might not match the next picture (for field pictures)
263 */
264 Picture next_picture;
115329f1
DB
265
266 /**
b536d0aa
MN
267 * copy of the source picture structure for encoding.
268 * note, linesize & data, might not match the source picture (for field pictures)
269 */
270 Picture new_picture;
115329f1
DB
271
272 /**
b536d0aa
MN
273 * copy of the current picture structure.
274 * note, linesize & data, might not match the current picture (for field pictures)
275 */
115329f1
DB
276 Picture current_picture; ///< buffer to store the decompressed current picture
277
b536d0aa 278 Picture *last_picture_ptr; ///< pointer to the previous picture.
115329f1 279 Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
b536d0aa 280 Picture *current_picture_ptr; ///< pointer to the current picture
0c9bbaec 281 uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
115329f1 282 int last_dc[3]; ///< last DC values for MPEG1
b86216de
MR
283 int16_t *dc_val_base;
284 int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
0da71265 285 int16_t dc_cache[4*5];
de6d9b64 286 int y_dc_scale, c_dc_scale;
115329f1
DB
287 const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
288 const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
332f9ac4 289 const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
137c8468 290 uint8_t *coded_block_base;
277f4827 291 uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
137c8468 292 int16_t (*ac_val_base)[16];
115329f1 293 int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
de6d9b64 294 int ac_pred;
115329f1 295 uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
f943e138 296#define PREV_PICT_TYPES_BUFFER_SIZE 256
115329f1
DB
297 int mb_skipped; ///< MUST BE SET only during DECODING
298 uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example)
9dbcbd92 299 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
115329f1
DB
300 uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
301 uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding
302 uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding
f7b47594 303 uint8_t *allocated_edge_emu_buffer;
9c3d33d6 304 uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer
bb628dae 305 uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision
9c3d33d6
MN
306 uint8_t *obmc_scratchpad;
307 uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers
de6d9b64 308
115329f1
DB
309 int qscale; ///< QP
310 int chroma_qscale; ///< chroma QP
973cbc2a
MN
311 unsigned int lambda; ///< lagrange multipler used in rate distortion
312 unsigned int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT
158c7f05 313 int *lambda_table;
115329f1
DB
314 int adaptive_quant; ///< use adaptive quantization
315 int dquant; ///< qscale difference to prev qscale
9d9a6239 316 int closed_gop; ///< MPEG1/2 GOP is closed
9701840b 317 int pict_type; ///< FF_I_TYPE, FF_P_TYPE, FF_B_TYPE, ...
14e2a940 318 int last_pict_type; //FIXME removes
115329f1 319 int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
14e2a940 320 int dropable;
de6d9b64 321 int frame_rate_index;
88e51e1f 322 int last_lambda_for[5]; ///< last lambda for a specific pict type
c52f5d66 323 int skipdct; ///< skip dct and code zero residual
5e5c247a 324
de6d9b64 325 /* motion compensation */
115329f1
DB
326 int unrestricted_mv; ///< mv can point outside of the coded picture
327 int h263_long_vectors; ///< use horrible h263v1 long vector mode
160d679c 328 int decode; ///< if 0 then decoding will be skipped (for encoding b frames for example)
277f4827 329
bb628dae 330 DSPContext dsp; ///< pointers for accelerated dsp functions
115329f1
DB
331 int f_code; ///< forward MV resolution
332 int b_code; ///< backward MV resolution for B Frames (mpeg4)
7bc9090a
MN
333 int16_t (*p_mv_table_base)[2];
334 int16_t (*b_forw_mv_table_base)[2];
335 int16_t (*b_back_mv_table_base)[2];
115329f1
DB
336 int16_t (*b_bidir_forw_mv_table_base)[2];
337 int16_t (*b_bidir_back_mv_table_base)[2];
7bc9090a 338 int16_t (*b_direct_mv_table_base)[2];
bb198e19
MN
339 int16_t (*p_field_mv_table_base[2][2])[2];
340 int16_t (*b_field_mv_table_base[2][2][2])[2];
115329f1
DB
341 int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) p-frame encoding
342 int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode b-frame encoding
343 int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode b-frame encoding
344 int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
345 int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
346 int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode b-frame encoding
bb198e19
MN
347 int16_t (*p_field_mv_table[2][2])[2]; ///< MV table (2MV per MB) interlaced p-frame encoding
348 int16_t (*b_field_mv_table[2][2][2])[2];///< MV table (4MV per MB) interlaced b-frame encoding
349 uint8_t (*p_field_select_table[2]);
350 uint8_t (*b_field_select_table[2][2]);
115329f1 351 int me_method; ///< ME algorithm
de6d9b64 352 int mv_dir;
653f7387
MN
353#define MV_DIR_FORWARD 1
354#define MV_DIR_BACKWARD 2
277f4827 355#define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
de6d9b64 356 int mv_type;
115329f1
DB
357#define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
358#define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV)
359#define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block
360#define MV_TYPE_FIELD 3 ///< 2 vectors, one per field
361#define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors
362 /**motion vectors for a macroblock
de6d9b64
FB
363 first coordinate : 0 = forward 1 = backward
364 second " : depend on type
365 third " : 0 = x, 1 = y
366 */
367 int mv[2][4][2];
368 int field_select[2][2];
115329f1
DB
369 int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG1 & B-frame MPEG4
370 uint8_t *fcode_tab; ///< smallest fcode needed for each MV
841f65f2 371 int16_t direct_scale_mv[2][64]; ///< precomputed to avoid divisions in ff_mpeg4_set_direct_mv
115329f1 372
1457ab52 373 MotionEstContext me;
de6d9b64 374
115329f1 375 int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
e42dba48 376 for b-frames rounding mode is always 0 */
de6d9b64 377
160d679c 378 int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
2417652e 379 when set to 2 idct/dequant will be skipped too */
115329f1 380
de6d9b64
FB
381 /* macroblock layer */
382 int mb_x, mb_y;
9b8709d1 383 int mb_skip_run;
de6d9b64 384 int mb_intra;
bb198e19
MN
385 uint16_t *mb_type; ///< Table for candidate MB types for encoding
386#define CANDIDATE_MB_TYPE_INTRA 0x01
387#define CANDIDATE_MB_TYPE_INTER 0x02
388#define CANDIDATE_MB_TYPE_INTER4V 0x04
160d679c 389#define CANDIDATE_MB_TYPE_SKIPPED 0x08
7bc9090a 390//#define MB_TYPE_GMC 0x10
7f2fe444 391
bb198e19
MN
392#define CANDIDATE_MB_TYPE_DIRECT 0x10
393#define CANDIDATE_MB_TYPE_FORWARD 0x20
394#define CANDIDATE_MB_TYPE_BACKWARD 0x40
395#define CANDIDATE_MB_TYPE_BIDIR 0x80
396
397#define CANDIDATE_MB_TYPE_INTER_I 0x100
398#define CANDIDATE_MB_TYPE_FORWARD_I 0x200
399#define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
400#define CANDIDATE_MB_TYPE_BIDIR_I 0x800
4278e7a6 401
2f16af06
MN
402#define CANDIDATE_MB_TYPE_DIRECT0 0x1000
403
277f4827 404 int block_index[6]; ///< index to current MB in block based arrays with edges
4278e7a6 405 int block_wrap[6];
7d1c3fc1 406 uint8_t *dest[3];
115329f1 407
7bc9090a 408 int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride
4278e7a6 409
277f4827 410 /** matrix transmitted in the bitstream */
0c1a9eda
ZK
411 uint16_t intra_matrix[64];
412 uint16_t chroma_intra_matrix[64];
413 uint16_t inter_matrix[64];
414 uint16_t chroma_inter_matrix[64];
1984f635 415#define QUANT_BIAS_SHIFT 8
115329f1
DB
416 int intra_quant_bias; ///< bias for the quantizer
417 int inter_quant_bias; ///< bias for the quantizer
418 int min_qcoeff; ///< minimum encodable coefficient
419 int max_qcoeff; ///< maximum encodable coefficient
420 int ac_esc_length; ///< num of bits needed to encode the longest esc
477ab036
MN
421 uint8_t *intra_ac_vlc_length;
422 uint8_t *intra_ac_vlc_last_length;
423 uint8_t *inter_ac_vlc_length;
424 uint8_t *inter_ac_vlc_last_length;
67725183
MN
425 uint8_t *luma_dc_vlc_length;
426 uint8_t *chroma_dc_vlc_length;
c442d75c 427#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
477ab036 428
2d974017 429 int coded_score[8];
f2f6134b 430
277f4827 431 /** precomputed matrix (combine qscale and DCT renorm) */
7e4995c3
MN
432 int (*q_intra_matrix)[64];
433 int (*q_inter_matrix)[64];
642ccefb
MN
434 /** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
435 uint16_t (*q_intra_matrix16)[2][64];
436 uint16_t (*q_inter_matrix16)[2][64];
5e5c247a 437 int block_last_index[12]; ///< last non zero coefficient in block
2ad1516a 438 /* scantables */
21c6a025 439 ScanTable intra_scantable;
2ad1516a
MN
440 ScanTable intra_h_scantable;
441 ScanTable intra_v_scantable;
277f4827 442 ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
115329f1 443
821cb11f
MN
444 /* noise reduction */
445 int (*dct_error_sum)[64];
446 int dct_count[2];
447 uint16_t (*dct_offset)[64];
de6d9b64 448
277f4827 449 void *opaque; ///< private data for the user
de6d9b64
FB
450
451 /* bit rate control */
0c1a9eda
ZK
452 int64_t wanted_bits;
453 int64_t total_bits;
115329f1 454 int frame_bits; ///< bits used for the current frame
07506002 455 int next_lambda; ///< next lambda used for retrying to encode a frame
277f4827 456 RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c
9cdd6a24 457
098eefe1
MN
458 /* statistics, used for 2-pass encoding */
459 int mv_bits;
460 int header_bits;
461 int i_tex_bits;
462 int p_tex_bits;
463 int i_count;
66370d3f
MN
464 int f_count;
465 int b_count;
098eefe1 466 int skip_count;
277f4827
MN
467 int misc_bits; ///< cbp, mb_type
468 int last_bits; ///< temp var used for calculating the above vars
115329f1 469
7f2fe444 470 /* error concealment / resync */
7bc9090a 471 int error_count;
115329f1
DB
472 uint8_t *error_status_table; ///< table of the error status of each MB
473#define VP_START 1 ///< current MB is the first after a resync marker
4d2858de
MN
474#define AC_ERROR 2
475#define DC_ERROR 4
476#define MV_ERROR 8
477#define AC_END 16
478#define DC_END 32
479#define MV_END 64
480//FIXME some prefix?
115329f1
DB
481
482 int resync_mb_x; ///< x position of last resync marker
483 int resync_mb_y; ///< y position of last resync marker
484 GetBitContext last_resync_gb; ///< used to search for the next resync marker
277f4827 485 int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only)
115329f1 486 int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames
047599a4 487 int error_recognition;
115329f1 488
d7425f59 489 ParseContext parse_context;
098eefe1 490
102d3908 491 /* H.263 specific */
644d98a4 492 int gob_index;
dba019da 493 int obmc; ///< overlapped block motion compensation
9f0a705d 494 int showed_packed_warning; ///< flag for having shown the warning about divxs invalid b frames
115329f1 495
544286b3 496 /* H.263+ specific */
115329f1
DB
497 int umvplus; ///< == H263+ && unrestricted_mv
498 int h263_aic; ///< Advanded INTRA Coding (AIC)
ba58dabc
MN
499 int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
500 int h263_slice_structured;
dba019da 501 int alt_inter_vlc; ///< alternative inter vlc
68b94c35 502 int modified_quant;
115329f1 503 int loop_filter;
b056e73c 504 int custom_pcf;
115329f1 505
de6d9b64 506 /* mpeg4 specific */
115329f1 507 int time_increment_bits; ///< number of bits to represent the fractional part of time
9dbcbd92 508 int last_time_base;
115329f1
DB
509 int time_base; ///< time in seconds of last I,P,S Frame
510 int64_t time; ///< time of current frame
0c1a9eda 511 int64_t last_non_b_time;
115329f1
DB
512 uint16_t pp_time; ///< time distance between the last 2 p,s,i frames
513 uint16_t pb_time; ///< time distance between the last b and p,s,i frame
0c1a9eda 514 uint16_t pp_field_time;
115329f1 515 uint16_t pb_field_time; ///< like above, just for interlaced
1a565432
FB
516 int shape;
517 int vol_sprite_usage;
cc9ba006
MN
518 int sprite_width;
519 int sprite_height;
520 int sprite_left;
521 int sprite_top;
522 int sprite_brightness_change;
73c8e514 523 int num_sprite_warping_points;
44eb4951 524 int real_sprite_warping_points;
11b93979 525 uint16_t sprite_traj[4][2]; ///< sprite trajectory points
115329f1
DB
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;
115329f1 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;
115329f1
DB
540 int data_partitioning; ///< data partitioning flag from header
541 int partitioned_frame; ///< is current frame partitioned
542 int rvlc; ///< reversible vlc
277f4827 543 int resync_marker; ///< could this stream contain resync markers
115329f1 544 int low_delay; ///< no reordering needed / has no b-frames
1ff662cc 545 int vo_type;
115329f1
DB
546 int vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders
547 int intra_dc_threshold; ///< QP above whch the ac VLC should be used for intra dc
7f12a978 548 int use_intra_dc_vlc;
115329f1
DB
549 PutBitContext tex_pb; ///< used for data partitioned VOPs
550 PutBitContext pb2; ///< used for data partitioned VOPs
d930ef19 551 int mpeg_quant;
115329f1
DB
552 int t_frame; ///< time distance of first I -> B, used for interlaced b frames
553 int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4
289e8fd0
MN
554 int cplx_estimation_trash_i;
555 int cplx_estimation_trash_p;
556 int cplx_estimation_trash_b;
44eb4951
MN
557
558 /* divx specific, used to workaround (many) bugs in divx5 */
559 int divx_version;
560 int divx_build;
d5a21172 561 int divx_packed;
0c1a9eda 562 uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
eec1c6b9 563 int bitstream_buffer_size;
f038fe8b 564 unsigned int allocated_bitstream_buffer_size;
115329f1 565
7da71a5c 566 int xvid_build;
115329f1 567
4d2858de 568 /* lavc specific stuff, used to workaround bugs in libavcodec */
4d2858de 569 int lavc_build;
115329f1 570
de6d9b64 571 /* RV10 specific */
115329f1 572 int rv10_version; ///< RV10 version: 0 or 3
de6d9b64 573 int rv10_first_dc_coded[3];
94f28061 574 int orig_width, orig_height;
115329f1 575
de6d9b64
FB
576 /* MJPEG specific */
577 struct MJpegContext *mjpeg_ctx;
115329f1
DB
578 int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
579 int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1}
de6d9b64
FB
580
581 /* MSMPEG4 specific */
582 int mv_table_index;
583 int rl_table_index;
584 int rl_chroma_table_index;
585 int dc_table_index;
586 int use_skip_mb_code;
115329f1
DB
587 int slice_height; ///< in macroblocks
588 int first_slice_line; ///< used in mpeg4 too to handle resync markers
ae40484c 589 int flipflop_rounding;
277f4827 590 int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
0151a6f5
MN
591 int per_mb_rl_table;
592 int esc3_level_length;
593 int esc3_run_length;
277f4827 594 /** [mb_intra][isChroma][level][run][last] */
6b460aa3 595 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 596 int inter_intra_pred;
1457ab52 597 int mspel;
0151a6f5 598
de6d9b64
FB
599 /* decompression specific */
600 GetBitContext gb;
601
1e491e29 602 /* Mpeg1 specific */
115329f1
DB
603 int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific
604 int last_mv_dir; ///< last mv_dir, used for b frame encoding
0da71265 605 int broken_link; ///< no_output_of_prior_pics_flag
115329f1
DB
606 uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
607
7eb2d654 608 /* MPEG-2-specific - I wished not to have to support this mess. */
de6d9b64
FB
609 int progressive_sequence;
610 int mpeg_f_code[2][2];
611 int picture_structure;
612/* picture type */
613#define PICT_TOP_FIELD 1
614#define PICT_BOTTOM_FIELD 2
615#define PICT_FRAME 3
616
617 int intra_dc_precision;
618 int frame_pred_frame_dct;
619 int top_field_first;
620 int concealment_motion_vectors;
621 int q_scale_type;
622 int intra_vlc_format;
623 int alternate_scan;
624 int repeat_first_field;
625 int chroma_420_type;
5e5c247a
IK
626 int chroma_format;
627#define CHROMA_420 1
628#define CHROMA_422 2
629#define CHROMA_444 3
ffdff4d7
IK
630 int chroma_x_shift;//depend on pix_format, that depend on chroma_format
631 int chroma_y_shift;
5e5c247a 632
de6d9b64 633 int progressive_frame;
de6d9b64
FB
634 int full_pel[2];
635 int interlaced_dct;
de6d9b64 636 int first_slice;
c3bf0288 637 int first_field; ///< is 1 for the first field of a field picture 0 otherwise
ba58dabc 638
644d98a4 639 /* RTP specific */
e4eadb4b 640 int rtp_mode;
115329f1 641
0c1a9eda 642 uint8_t *ptr_lastgob;
7eb2d654 643 int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
21effaa4 644 DCTELEM (*pblocks[12])[64];
115329f1
DB
645
646 DCTELEM (*block)[64]; ///< points to one of the following blocks
702497f8 647 DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block
4d2858de
MN
648 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
649#define SLICE_OK 0
650#define SLICE_ERROR -1
c3bf0288
MN
651#define SLICE_END -2 ///<end marker found
652#define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
115329f1
DB
653
654 void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
67309e49 655 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 656 void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
67309e49 657 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 658 void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
67309e49 659 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 660 void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
d50635cd 661 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 662 void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
d50635cd 663 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 664 void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
d50635cd 665 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 666 void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
c6148de2 667 DCTELEM *block/*align 16*/, int n, int qscale);
115329f1 668 void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
c6148de2 669 DCTELEM *block/*align 16*/, int n, int qscale);
d50635cd
MN
670 void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
671 DCTELEM *block/*align 16*/, int n, int qscale);
672 void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
67309e49
MN
673 DCTELEM *block/*align 16*/, int n, int qscale);
674 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
3a87ac94 675 int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
783df5f3 676 void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
de6d9b64
FB
677} MpegEncContext;
678
4d2858de 679
3edcacde 680void MPV_decode_defaults(MpegEncContext *s);
de6d9b64
FB
681int MPV_common_init(MpegEncContext *s);
682void MPV_common_end(MpegEncContext *s);
ffdff4d7 683void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
d6db1c9c 684int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 685void MPV_frame_end(MpegEncContext *s);
1457ab52
MN
686int MPV_encode_init(AVCodecContext *avctx);
687int MPV_encode_end(AVCodecContext *avctx);
688int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
21af69f7 689void MPV_common_init_mmx(MpegEncContext *s);
e0580f8c 690void MPV_common_init_axp(MpegEncContext *s);
c7e07931 691void MPV_common_init_mlib(MpegEncContext *s);
5917d17c 692void MPV_common_init_mmi(MpegEncContext *s);
a2fc0f6a 693void MPV_common_init_arm(MpegEncContext *s);
30c23dc0 694void MPV_common_init_altivec(MpegEncContext *s);
ac36d974 695void MPV_common_init_bfin(MpegEncContext *s);
7f2fe444 696void ff_clean_intra_table_entries(MpegEncContext *s);
640950c7 697void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
7a06ff14 698void ff_mpeg_flush(AVCodecContext *avctx);
0c9bbaec 699void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
191e8ca7 700void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
5f194811 701int ff_find_unused_picture(MpegEncContext *s, int shared);
821cb11f 702void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
c62c07d3 703void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
82fcbc14 704const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
bb174ff1 705void ff_set_qscale(MpegEncContext * s, int qscale);
59b571c1 706
46b4feec
MN
707void ff_er_frame_start(MpegEncContext *s);
708void ff_er_frame_end(MpegEncContext *s);
709void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
710
6180ade7 711int ff_dct_common_init(MpegEncContext *s);
69cea75f
BC
712void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
713 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
46b4feec 714
7d1c3fc1 715void ff_init_block_index(MpegEncContext *s);
8d2fc163 716void ff_copy_picture(Picture *dst, Picture *src);
4d2858de 717
a4a750d3
BC
718/**
719 * allocates a Picture
720 * The pixels are allocated/set by calling get_buffer() if shared=0
721 */
722int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
723
09a9b45e 724extern const enum PixelFormat ff_pixfmt_list_420[];
044f0296 725extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
09a9b45e 726
4d2858de 727static inline void ff_update_block_index(MpegEncContext *s){
178fcca8
MN
728 const int block_size= 8>>s->avctx->lowres;
729
4d2858de
MN
730 s->block_index[0]+=2;
731 s->block_index[1]+=2;
732 s->block_index[2]+=2;
733 s->block_index[3]+=2;
734 s->block_index[4]++;
735 s->block_index[5]++;
178fcca8
MN
736 s->dest[0]+= 2*block_size;
737 s->dest[1]+= block_size;
738 s->dest[2]+= block_size;
4d2858de
MN
739}
740
4d2a4834 741static inline int get_bits_diff(MpegEncContext *s){
fe455f33 742 const int bits= put_bits_count(&s->pb);
4d2a4834
MN
743 const int last= s->last_bits;
744
745 s->last_bits = bits;
746
747 return bits - last;
748}
4d2858de 749
00f0564f
MR
750static inline int ff_h263_round_chroma(int x){
751 static const uint8_t h263_chroma_roundtab[16] = {
752 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
c3d0c11b 753 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
00f0564f 754 };
c3d0c11b 755 return h263_chroma_roundtab[x & 0xf] + (x >> 3);
00f0564f
MR
756}
757
de6d9b64 758/* motion_est.c */
9dbcbd92
MN
759void ff_estimate_p_frame_motion(MpegEncContext * s,
760 int mb_x, int mb_y);
761void ff_estimate_b_frame_motion(MpegEncContext * s,
762 int mb_x, int mb_y);
763int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
764void ff_fix_long_p_mvs(MpegEncContext * s);
bb198e19
MN
765void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
766 int16_t (*mv_table)[2], int f_code, int type, int truncate);
c192426f 767int ff_init_me(MpegEncContext *s);
f5fb6b34 768int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
4bdd3b76 769int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
115329f1
DB
770 int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
771 int ref_mv_scale, int size, int h);
4bdd3b76 772int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
155ec6ed 773 int ref_index, int size, int h, int add_rate);
4d2858de 774
de6d9b64 775/* mpeg12.c */
c26ae41d 776extern const uint8_t ff_mpeg1_dc_scale_table[128];
53f66cee 777extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
de6d9b64
FB
778
779void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
780void mpeg1_encode_mb(MpegEncContext *s,
781 DCTELEM block[6][64],
782 int motion_x, int motion_y);
0151a6f5 783void ff_mpeg1_encode_init(MpegEncContext *s);
9b8709d1
MN
784void ff_mpeg1_encode_slice_header(MpegEncContext *s);
785void ff_mpeg1_clean_buffers(MpegEncContext *s);
a4c7a5ea 786int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
de6d9b64 787
c26ae41d 788extern const uint8_t ff_aic_dc_scale_table[32];
332f9ac4
MN
789extern const uint8_t ff_h263_chroma_qscale_table[32];
790extern const uint8_t ff_h263_loop_filter_strength[32];
68b94c35 791
5f6c92d4
MN
792/* h261.c */
793void ff_h261_loop_filter(MpegEncContext *s);
1c3990db
MN
794void ff_h261_reorder_mb_index(MpegEncContext* s);
795void ff_h261_encode_mb(MpegEncContext *s,
796 DCTELEM block[6][64],
797 int motion_x, int motion_y);
798void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
799void ff_h261_encode_init(MpegEncContext *s);
a57d13b7 800int ff_h261_get_picture_format(int width, int height);
5f6c92d4 801
554daa24 802
de6d9b64
FB
803/* rv10.c */
804void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
805int rv_decode_dc(MpegEncContext *s, int n);
d0271e8a 806void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
de6d9b64 807
4d2858de 808
de6d9b64
FB
809/* msmpeg4.c */
810void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 811void msmpeg4_encode_ext_header(MpegEncContext * s);
115329f1 812void msmpeg4_encode_mb(MpegEncContext * s,
de6d9b64
FB
813 DCTELEM block[6][64],
814 int motion_x, int motion_y);
de6d9b64 815int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 816int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
261a3c2d 817int ff_msmpeg4_decode_init(AVCodecContext *avctx);
0151a6f5 818void ff_msmpeg4_encode_init(MpegEncContext *s);
1457ab52 819int ff_wmv2_decode_picture_header(MpegEncContext * s);
b1609412 820int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
1457ab52
MN
821void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
822void ff_mspel_motion(MpegEncContext *s,
0c1a9eda
ZK
823 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
824 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
1457ab52
MN
825 int motion_x, int motion_y, int h);
826int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
115329f1 827void ff_wmv2_encode_mb(MpegEncContext * s,
1457ab52
MN
828 DCTELEM block[6][64],
829 int motion_x, int motion_y);
de6d9b64 830
98790382 831#endif /* AVCODEC_MPEGVIDEO_H */
0de9926f 832