undefined M_PI / M_E fix
[libav.git] / libavcodec / mpegvideo.h
CommitLineData
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1/*
2 * Generic DCT based hybrid video encoder
ff4ec49e 3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
de6d9b64 4 *
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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
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
de6d9b64 14 *
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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
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18 */
19
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20#ifndef AVCODEC_MPEGVIDEO_H
21#define AVCODEC_MPEGVIDEO_H
22
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23#define FRAME_SKIPED 100 // return value for header parsers if frame is not coded
24
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25enum OutputFormat {
26 FMT_MPEG1,
27 FMT_H263,
9dbcbd92 28 FMT_MJPEG,
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29};
30
31#define MPEG_BUF_SIZE (16 * 1024)
32
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33#define QMAT_SHIFT_MMX 19
34#define QMAT_SHIFT 25
35
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36#define MAX_FCODE 7
37#define MAX_MV 2048
9dbcbd92 38#define REORDER_BUFFER_SIZE (FF_MAX_B_FRAMES+2)
45870f57 39
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40#define ME_MAP_SIZE 64
41#define ME_MAP_SHIFT 3
42#define ME_MAP_MV_BITS 11
43
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44/* run length table */
45#define MAX_RUN 64
46#define MAX_LEVEL 64
47
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48typedef struct Predictor{
49 double coeff;
50 double count;
51 double decay;
52} Predictor;
53
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54typedef struct RateControlEntry{
55 int pict_type;
56 int qscale;
57 int mv_bits;
58 int i_tex_bits;
59 int p_tex_bits;
60 int misc_bits;
ff4ec49e 61 UINT64 expected_bits;
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62 int new_pict_type;
63 float new_qscale;
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64 int mc_mb_var_sum;
65 int mb_var_sum;
66 int i_count;
67 int f_code;
68 int b_code;
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69}RateControlEntry;
70
71typedef struct RateControlContext{
72 FILE *stats_file;
3aa102be 73 int num_entries; /* number of RateControlEntries */
8b4c7dbc 74 RateControlEntry *entry;
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75 int buffer_index; /* amount of bits in the video/audio buffer */
76 Predictor pred[5];
77 double short_term_qsum; /* sum of recent qscales */
78 double short_term_qcount; /* count of recent qscales */
79 double pass1_bits; /* bits outputted by the pass1 code (including complexity init) */
80 double pass1_wanted_bits; /* bits which should have been outputed by the pass1 code (including complexity init) */
81 double last_qscale;
82 double last_qscale_for[5]; /* last qscale for a specific pict type */
83 double next_non_b_qscale;
84 double next_p_qscale;
85 int last_mc_mb_var_sum;
86 int last_mb_var_sum;
87 UINT64 i_cplx_sum[5];
88 UINT64 p_cplx_sum[5];
89 UINT64 mv_bits_sum[5];
90 UINT64 qscale_sum[5];
91 int frame_count[5];
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92}RateControlContext;
93
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94typedef struct ReorderBuffer{
95 UINT8 *picture[3];
96 int pict_type;
97 int qscale;
98 int force_type;
99 int picture_number;
100 int picture_in_gop_number;
101} ReorderBuffer;
102
de6d9b64 103typedef struct MpegEncContext {
58f26ba9 104 struct AVCodecContext *avctx;
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105 /* the following parameters must be initialized before encoding */
106 int width, height; /* picture size. must be a multiple of 16 */
107 int gop_size;
108 int frame_rate; /* number of frames per second */
109 int intra_only; /* if true, only intra pictures are generated */
110 int bit_rate; /* wanted bit rate */
9cdd6a24 111 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 112 enum OutputFormat out_format; /* output format */
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113 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
114
115/* the following codec id fields are deprecated in favor of codec_id */
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116 int h263_plus; /* h263 plus headers */
117 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 118 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 119 int h263_intel; /* use I263 intel h263 header */
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120
121 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 122 int fixed_qscale; /* fixed qscale if non zero */
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123 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
124 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
125 int qmin; /* min qscale */
126 int qmax; /* max qscale */
127 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 128 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 129 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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130 int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
131 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 132 int b_frame_strategy;
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133 int luma_elim_threshold;
134 int chroma_elim_threshold;
135 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 136 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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137 /* the following fields are managed internally by the encoder */
138
139 /* bit output */
140 PutBitContext pb;
141
142 /* sequence parameters */
143 int context_initialized;
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144 int input_picture_number;
145 int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
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146 int picture_number;
147 int fake_picture_number; /* picture number at the bitstream frame rate */
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148 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
149 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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150 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
151 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 152 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 153 int mb_num; /* number of MBs of a picture */
de6d9b64 154 int linesize; /* line size, in bytes, may be different from width */
0fd90455 155 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
de6d9b64 156 UINT8 *new_picture[3]; /* picture to be compressed */
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157 UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
158 int picture_buffer_index;
159 ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
160 UINT8 *last_picture[3]; /* previous picture */
de6d9b64 161 UINT8 *last_picture_base[3]; /* real start of the picture */
9dbcbd92 162 UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
de6d9b64 163 UINT8 *next_picture_base[3]; /* real start of the picture */
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164 UINT8 *aux_picture[3]; /* aux picture (for B frames only) */
165 UINT8 *aux_picture_base[3]; /* real start of the picture */
166 UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */
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167 void *last_dr_opaque;
168 void *next_dr_opaque;
0fd90455 169 int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */
1c2a8c7f 170 int num_available_buffers; /* is 0 at the start & after seeking, after the first I frame its 1 after next I/P 2 */
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171 int last_dc[3]; /* last DC values for MPEG1 */
172 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 173 int y_dc_scale, c_dc_scale;
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174 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
175 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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176 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
177 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 178 int ac_pred;
3bb4e23a 179 int mb_skiped; /* MUST BE SET only during DECODING */
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180 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
181 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
182 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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183 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
184 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
185 INT8 *qscale_table; /* used to store qscale for partitioned decoding (& postprocessing FIXME export) */
93a21abd 186 UINT8 *edge_emu_buffer;
de6d9b64 187
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188 int input_qscale; /* qscale prior to reordering of frames */
189 int input_pict_type; /* pict_type prior to reordering of frames */
190 int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
191 int qscale; /* QP */
192 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 193 int last_pict_type;
8b4c7dbc 194 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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195 int frame_rate_index;
196 /* motion compensation */
197 int unrestricted_mv;
198 int h263_long_vectors; /* use horrible h263v1 long vector mode */
199
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200 int f_code; /* forward MV resolution */
201 int b_code; /* backward MV resolution for B Frames (mpeg4) */
202 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
203 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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204 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
205 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
206 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
207 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
208 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
209 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
210 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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211 int me_method; /* ME algorithm */
212 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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213 uint32_t *me_map; /* map to avoid duplicate evaluations */
214 uint16_t *me_score_map; /* map to store the SADs */
215 int me_map_generation;
216 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 217 int scene_change_score;
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218 int mv_dir;
219#define MV_DIR_BACKWARD 1
220#define MV_DIR_FORWARD 2
6f91bcd1 221#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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222 int mv_type;
223#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 224#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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225#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
226#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
227#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
228 /* motion vectors for a macroblock
229 first coordinate : 0 = forward 1 = backward
230 second " : depend on type
231 third " : 0 = x, 1 = y
232 */
233 int mv[2][4][2];
234 int field_select[2][2];
9dbcbd92 235 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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236 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
237 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
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238
239 int has_b_frames;
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240 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
241 for b-frames rounding mode is allways 0 */
de6d9b64 242
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243 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
244 when set to 2 idct/dequant will be skipped too */
245
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246 /* macroblock layer */
247 int mb_x, mb_y;
248 int mb_incr;
249 int mb_intra;
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250 UINT16 *mb_var; /* Table for MB variances */
251 UINT16 *mc_mb_var; /* Table for motion compensated MB variances */
252 UINT8 *mb_type; /* Table for MB type */
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253#define MB_TYPE_INTRA 0x01
254#define MB_TYPE_INTER 0x02
255#define MB_TYPE_INTER4V 0x04
256#define MB_TYPE_SKIPED 0x08
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257#define MB_TYPE_GMC 0x10
258
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259#define MB_TYPE_DIRECT 0x10
260#define MB_TYPE_FORWARD 0x20
9dbcbd92 261#define MB_TYPE_BACKWARD 0x40
ba6802de 262#define MB_TYPE_BIDIR 0x80
4278e7a6 263
9dbcbd92 264 int block_index[6]; /* index to current MB in block based arrays with edges*/
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265 int block_wrap[6];
266
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267 /* matrix transmitted in the bitstream */
268 UINT16 intra_matrix[64];
269 UINT16 chroma_intra_matrix[64];
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270 UINT16 inter_matrix[64];
271 UINT16 chroma_inter_matrix[64];
272#define QUANT_BIAS_SHIFT 4
273 int intra_quant_bias; /* bias for the quantizer */
274 int inter_quant_bias; /* bias for the quantizer */
275 int min_qcoeff; /* minimum encodable coefficient */
276 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 277 /* precomputed matrix (combine qscale and DCT renorm) */
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278 int q_intra_matrix[32][64];
279 int q_inter_matrix[32][64];
2f349de2 280 /* identical to the above but for MMX & these are not permutated */
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281 UINT16 __align8 q_intra_matrix16[32][64];
282 UINT16 __align8 q_inter_matrix16[32][64];
283 UINT16 __align8 q_intra_matrix16_bias[32][64];
284 UINT16 __align8 q_inter_matrix16_bias[32][64];
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285 int block_last_index[6]; /* last non zero coefficient in block */
286
287 void *opaque; /* private data for the user */
288
289 /* bit rate control */
9dbcbd92 290 int I_frame_bits; //FIXME used in mpeg12 ...
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291 int mb_var_sum; /* sum of MB variance for current frame */
292 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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293 INT64 wanted_bits;
294 INT64 total_bits;
8b4c7dbc 295 int frame_bits; /* bits used for the current frame */
3aa102be 296 RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
9cdd6a24 297
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298 /* statistics, used for 2-pass encoding */
299 int mv_bits;
300 int header_bits;
301 int i_tex_bits;
302 int p_tex_bits;
303 int i_count;
304 int p_count;
305 int skip_count;
306 int misc_bits; // cbp, mb_type
307 int last_bits; //temp var used for calculating the above vars
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308
309 /* error concealment / resync */
310 int resync_mb_x; /* x position of last resync marker */
311 int resync_mb_y; /* y position of last resync marker */
312 int mb_num_left; /* number of MBs left in this video packet */
313 GetBitContext next_resync_gb; /* starts at the next resync marker */
314 int next_resync_qscale; /* qscale of next resync marker */
315 int next_resync_pos; /* bitstream position of next resync marker */
316#define DECODING_AC_LOST -1
317#define DECODING_ACDC_LOST -2
318#define DECODING_DESYNC -3
319 int decoding_error;
320 int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
321 int error_resilience;
098eefe1 322
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323 /* H.263 specific */
324 int gob_number;
644d98a4 325 int gob_index;
d140623f 326
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327 /* H.263+ specific */
328 int umvplus;
329 int umvplus_dec;
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330 int h263_aic; /* Advanded INTRA Coding (AIC) */
331 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 332
de6d9b64 333 /* mpeg4 specific */
6f91bcd1 334 int time_increment_resolution;
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335 int time_increment_bits; /* number of bits to represent the fractional part of time */
336 int last_time_base;
337 int time_base; /* time in seconds of last I,P,S Frame */
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338 INT64 time; /* time of current frame */
339 INT64 last_non_b_time;
340 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
341 UINT16 bp_time; /* time distance between the last b and p,s,i frame */
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342 int shape;
343 int vol_sprite_usage;
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344 int sprite_width;
345 int sprite_height;
346 int sprite_left;
347 int sprite_top;
348 int sprite_brightness_change;
73c8e514 349 int num_sprite_warping_points;
44eb4951 350 int real_sprite_warping_points;
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351 int sprite_offset[2][2];
352 int sprite_delta[2][2][2];
353 int sprite_shift[2][2];
354 int mcsel;
1a565432 355 int quant_precision;
9dbcbd92 356 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 357 int scalability;
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358 int hierachy_type;
359 int enhancement_type;
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360 int new_pred;
361 int reduced_res_vop;
362 int aspect_ratio_info;
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363 int aspected_width;
364 int aspected_height;
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365 int sprite_warping_accuracy;
366 int low_latency_sprite;
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367 int data_partitioning;
368 int rvlc; /* reversible vlc */
369 int resync_marker; /* could this stream contain resync markers*/
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370 int low_delay; /* no reordering needed / has no b-frames */
371 int vo_type;
7aaf3b98 372 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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373 PutBitContext tex_pb; /* used for data partitioned VOPs */
374 PutBitContext pb2; /* used for data partitioned VOPs */
375#define PB_BUFFER_SIZE 1024*256
376 uint8_t *tex_pb_buffer;
377 uint8_t *pb2_buffer;
d930ef19 378 int mpeg_quant;
508abaca 379 INT8 *non_b_mv4_table;
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380
381 /* divx specific, used to workaround (many) bugs in divx5 */
382 int divx_version;
383 int divx_build;
eec1c6b9 384#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 385 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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386 int bitstream_buffer_size;
387
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388 /* RV10 specific */
389 int rv10_version; /* RV10 version: 0 or 3 */
390 int rv10_first_dc_coded[3];
391
392 /* MJPEG specific */
393 struct MJpegContext *mjpeg_ctx;
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394 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
395 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
396 int mjpeg_write_tables; /* do we want to have quantisation- and
397 huffmantables in the jpeg file ? */
a69b930c 398 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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399
400 /* MSMPEG4 specific */
401 int mv_table_index;
402 int rl_table_index;
403 int rl_chroma_table_index;
404 int dc_table_index;
405 int use_skip_mb_code;
406 int slice_height; /* in macroblocks */
49092244 407 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 408 int flipflop_rounding;
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409 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
410 int per_mb_rl_table;
411 int esc3_level_length;
412 int esc3_run_length;
413 UINT8 *inter_scantable;
414 UINT8 *intra_scantable;
415 UINT8 *intra_v_scantable;
416 UINT8 *intra_h_scantable;
417 /* [mb_intra][isChroma][level][run][last] */
418 int ac_stats[2][2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 419 int inter_intra_pred;
0151a6f5 420
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421 /* decompression specific */
422 GetBitContext gb;
423
424 /* MPEG2 specific - I wish I had not to support this mess. */
425 int progressive_sequence;
426 int mpeg_f_code[2][2];
427 int picture_structure;
428/* picture type */
429#define PICT_TOP_FIELD 1
430#define PICT_BOTTOM_FIELD 2
431#define PICT_FRAME 3
432
433 int intra_dc_precision;
434 int frame_pred_frame_dct;
435 int top_field_first;
436 int concealment_motion_vectors;
437 int q_scale_type;
438 int intra_vlc_format;
439 int alternate_scan;
440 int repeat_first_field;
441 int chroma_420_type;
442 int progressive_frame;
443 int mpeg2;
444 int full_pel[2];
445 int interlaced_dct;
446 int last_qscale;
447 int first_slice;
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448
449 /* RTP specific */
81401c1f 450 /* These are explained on avcodec.h */
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451 int rtp_mode;
452 int rtp_payload_size;
81401c1f 453 void (*rtp_callback)(void *data, int size, int packet_number);
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454 UINT8 *ptr_lastgob;
455 UINT8 *ptr_last_mb_line;
456 UINT32 mb_line_avgsize;
457
ba6802de 458 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 459 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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460 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
461 DCTELEM *block, int n, int qscale);
462 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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463 DCTELEM *block, int n, int qscale);
464 void (*dct_unquantize_h263)(struct MpegEncContext *s,
465 DCTELEM *block, int n, int qscale);
466 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 467 DCTELEM *block, int n, int qscale);
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468 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
469 void (*fdct)(DCTELEM *block);
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470} MpegEncContext;
471
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472int MPV_common_init(MpegEncContext *s);
473void MPV_common_end(MpegEncContext *s);
474void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
93a21abd 475void MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 476void MPV_frame_end(MpegEncContext *s);
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477#ifdef HAVE_MMX
478void MPV_common_init_mmx(MpegEncContext *s);
479#endif
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480#ifdef ARCH_ALPHA
481void MPV_common_init_axp(MpegEncContext *s);
482#endif
c3aea5c4 483extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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484void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
485void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
486void ff_clean_intra_table_entries(MpegEncContext *s);
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487
488/* motion_est.c */
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489void ff_estimate_p_frame_motion(MpegEncContext * s,
490 int mb_x, int mb_y);
491void ff_estimate_b_frame_motion(MpegEncContext * s,
492 int mb_x, int mb_y);
493int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
494void ff_fix_long_p_mvs(MpegEncContext * s);
495void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
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496
497/* mpeg12.c */
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498extern INT16 ff_mpeg1_default_intra_matrix[64];
499extern INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 500extern UINT8 ff_mpeg1_dc_scale_table[128];
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501
502void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
503void mpeg1_encode_mb(MpegEncContext *s,
504 DCTELEM block[6][64],
505 int motion_x, int motion_y);
0151a6f5 506void ff_mpeg1_encode_init(MpegEncContext *s);
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507
508/* h263enc.c */
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509typedef struct RLTable {
510 int n; /* number of entries of table_vlc minus 1 */
511 int last; /* number of values for last = 0 */
512 const UINT16 (*table_vlc)[2];
513 const INT8 *table_run;
514 const INT8 *table_level;
515 UINT8 *index_run[2]; /* encoding only */
516 INT8 *max_level[2]; /* encoding & decoding */
517 INT8 *max_run[2]; /* encoding & decoding */
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518 VLC vlc; /* decoding only deprected FIXME remove*/
519 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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520} RLTable;
521
522void init_rl(RLTable *rl);
523void init_vlc_rl(RLTable *rl);
524
3232bc88 525static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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526{
527 int index;
528 index = rl->index_run[last][run];
529 if (index >= rl->n)
530 return rl->n;
531 if (level > rl->max_level[last][run])
532 return rl->n;
533 return index + level - 1;
534}
535
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536extern UINT8 ff_mpeg4_y_dc_scale_table[32];
537extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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538extern INT16 ff_mpeg4_default_intra_matrix[64];
539extern INT16 ff_mpeg4_default_non_intra_matrix[64];
540
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541void h263_encode_mb(MpegEncContext *s,
542 DCTELEM block[6][64],
543 int motion_x, int motion_y);
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544void mpeg4_encode_mb(MpegEncContext *s,
545 DCTELEM block[6][64],
546 int motion_x, int motion_y);
de6d9b64 547void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 548int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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549INT16 *h263_pred_motion(MpegEncContext * s, int block,
550 int *px, int *py);
551void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
552 int dir);
91029be7 553void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 554void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 555void h263_encode_init(MpegEncContext *s);
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556
557void h263_decode_init_vlc(MpegEncContext *s);
558int h263_decode_picture_header(MpegEncContext *s);
644d98a4 559int h263_decode_gob_header(MpegEncContext *s);
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560int mpeg4_decode_picture_header(MpegEncContext * s);
561int intel_h263_decode_picture_header(MpegEncContext *s);
562int h263_decode_mb(MpegEncContext *s,
563 DCTELEM block[6][64]);
564int h263_get_picture_format(int width, int height);
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565int ff_mpeg4_decode_video_packet_header(MpegEncContext *s);
566int ff_mpeg4_resync(MpegEncContext *s);
567void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
568void ff_mpeg4_clean_buffers(MpegEncContext *s);
569void ff_mpeg4_stuffing(PutBitContext * pbc);
570void ff_mpeg4_init_partitions(MpegEncContext *s);
571void ff_mpeg4_merge_partitions(MpegEncContext *s);
0151a6f5 572extern inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, UINT16 **dc_val_ptr, int *dir_ptr);
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573
574/* rv10.c */
575void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
576int rv_decode_dc(MpegEncContext *s, int n);
577
578/* msmpeg4.c */
579void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 580void msmpeg4_encode_ext_header(MpegEncContext * s);
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581void msmpeg4_encode_mb(MpegEncContext * s,
582 DCTELEM block[6][64],
583 int motion_x, int motion_y);
de6d9b64 584int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 585int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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586int msmpeg4_decode_mb(MpegEncContext *s,
587 DCTELEM block[6][64]);
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588int ff_msmpeg4_decode_init(MpegEncContext *s);
589void ff_msmpeg4_encode_init(MpegEncContext *s);
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590
591/* mjpegenc.c */
592
593int mjpeg_init(MpegEncContext *s);
594void mjpeg_close(MpegEncContext *s);
595void mjpeg_encode_mb(MpegEncContext *s,
596 DCTELEM block[6][64]);
597void mjpeg_picture_header(MpegEncContext *s);
598void mjpeg_picture_trailer(MpegEncContext *s);
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599
600/* rate control */
601int ff_rate_control_init(MpegEncContext *s);
602int ff_rate_estimate_qscale(MpegEncContext *s);
603int ff_rate_estimate_qscale_pass2(MpegEncContext *s);
604void ff_write_pass1_stats(MpegEncContext *s);
605void ff_rate_control_uninit(MpegEncContext *s);
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606double ff_eval(char *s, double *const_value, char **const_name,
607 double (**func1)(void *, double), char **func1_name,
608 double (**func2)(void *, double, double), char **func2_name,
609 void *opaque);
610
8b4c7dbc 611
cd4af68a 612#endif /* AVCODEC_MPEGVIDEO_H */