added release tar target
[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
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31#define EDGE_WIDTH 16
32
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33#define MPEG_BUF_SIZE (16 * 1024)
34
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35#define QMAT_SHIFT_MMX 16
36#define QMAT_SHIFT 22
2f349de2 37
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38#define MAX_FCODE 7
39#define MAX_MV 2048
1e491e29 40
0d1e9246 41#define MAX_PICTURE_COUNT 15
45870f57 42
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43#define ME_MAP_SIZE 64
44#define ME_MAP_SHIFT 3
45#define ME_MAP_MV_BITS 11
46
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47/* run length table */
48#define MAX_RUN 64
49#define MAX_LEVEL 64
50
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51#define I_TYPE FF_I_TYPE // Intra
52#define P_TYPE FF_P_TYPE // Predicted
53#define B_TYPE FF_B_TYPE // Bi-dir predicted
54#define S_TYPE FF_S_TYPE // S(GMC)-VOP MPEG4
55
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56typedef struct Predictor{
57 double coeff;
58 double count;
59 double decay;
60} Predictor;
61
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62typedef struct RateControlEntry{
63 int pict_type;
c5d309f2 64 float qscale;
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65 int mv_bits;
66 int i_tex_bits;
67 int p_tex_bits;
68 int misc_bits;
ff4ec49e 69 UINT64 expected_bits;
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70 int new_pict_type;
71 float new_qscale;
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72 int mc_mb_var_sum;
73 int mb_var_sum;
74 int i_count;
75 int f_code;
76 int b_code;
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77}RateControlEntry;
78
79typedef struct RateControlContext{
80 FILE *stats_file;
3aa102be 81 int num_entries; /* number of RateControlEntries */
8b4c7dbc 82 RateControlEntry *entry;
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83 int buffer_index; /* amount of bits in the video/audio buffer */
84 Predictor pred[5];
85 double short_term_qsum; /* sum of recent qscales */
86 double short_term_qcount; /* count of recent qscales */
23e54f69 87 double pass1_rc_eq_output_sum;/* sum of the output of the rc equation, this is used for normalization */
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88 double pass1_wanted_bits; /* bits which should have been outputed by the pass1 code (including complexity init) */
89 double last_qscale;
947ac25a 90 double last_qscale_for[5]; /* last qscale for a specific pict type, used for max_diff & ipb factor stuff */
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91 int last_mc_mb_var_sum;
92 int last_mb_var_sum;
93 UINT64 i_cplx_sum[5];
94 UINT64 p_cplx_sum[5];
95 UINT64 mv_bits_sum[5];
96 UINT64 qscale_sum[5];
97 int frame_count[5];
947ac25a 98 int last_non_b_pict_type;
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99}RateControlContext;
100
9dbcbd92 101
2ad1516a 102typedef struct ScanTable{
7801d21d 103 const UINT8 *scantable;
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104 UINT8 permutated[64];
105 UINT8 raster_end[64];
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106#ifdef ARCH_POWERPC
107 /* Used by dct_quantise_alitvec to find last-non-zero */
108 UINT8 __align8 inverse[64];
109#endif
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110} ScanTable;
111
1e491e29 112typedef struct Picture{
492cd3a9 113 FF_COMMON_FRAME
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114
115 int mb_var_sum; /* sum of MB variance for current frame */
116 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
117 uint16_t *mb_var; /* Table for MB variances */
118 uint16_t *mc_mb_var; /* Table for motion compensated MB variances */
119 uint8_t *mb_mean; /* Table for MB luminance */
0d1e9246 120 int b_frame_score; /* */
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121} Picture;
122
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123typedef struct ParseContext{
124 UINT8 *buffer;
125 int index;
126 int last_index;
127 int buffer_size;
128 int state;
129 int frame_start_found;
130} ParseContext;
131
de6d9b64 132typedef struct MpegEncContext {
58f26ba9 133 struct AVCodecContext *avctx;
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134 /* the following parameters must be initialized before encoding */
135 int width, height; /* picture size. must be a multiple of 16 */
136 int gop_size;
137 int frame_rate; /* number of frames per second */
138 int intra_only; /* if true, only intra pictures are generated */
139 int bit_rate; /* wanted bit rate */
9cdd6a24 140 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 141 enum OutputFormat out_format; /* output format */
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142 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
143
144/* the following codec id fields are deprecated in favor of codec_id */
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145 int h263_plus; /* h263 plus headers */
146 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 147 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 148 int h263_intel; /* use I263 intel h263 header */
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149
150 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 151 int fixed_qscale; /* fixed qscale if non zero */
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152 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
153 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
154 int qmin; /* min qscale */
155 int qmax; /* max qscale */
156 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 157 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 158 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
9dbcbd92 159 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 160 int b_frame_strategy;
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161 int luma_elim_threshold;
162 int chroma_elim_threshold;
163 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 164 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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165 /* the following fields are managed internally by the encoder */
166
167 /* bit output */
168 PutBitContext pb;
169
170 /* sequence parameters */
171 int context_initialized;
9dbcbd92 172 int input_picture_number;
de6d9b64 173 int picture_number;
45870f57 174 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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175 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
176 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 177 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 178 int mb_num; /* number of MBs of a picture */
de6d9b64 179 int linesize; /* line size, in bytes, may be different from width */
0fd90455 180 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
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181 Picture picture[MAX_PICTURE_COUNT]; /* main picture buffer */
182 Picture *input_picture[MAX_PICTURE_COUNT]; /* next pictures on display order for encoding*/
183 Picture *reordered_input_picture[MAX_PICTURE_COUNT]; /* pointer to the next pictures in codedorder for encoding*/
184 Picture last_picture; /* previous picture */
185 Picture next_picture; /* previous picture (for bidir pred) */
186 Picture new_picture; /* source picture for encoding */
187 Picture current_picture; /* buffer to store the decompressed current picture */
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188 int last_dc[3]; /* last DC values for MPEG1 */
189 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 190 int y_dc_scale, c_dc_scale;
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191 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
192 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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193 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
194 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 195 int ac_pred;
3bb4e23a 196 int mb_skiped; /* MUST BE SET only during DECODING */
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197 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
198 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
199 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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200 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
201 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
93a21abd 202 UINT8 *edge_emu_buffer;
de6d9b64 203
9dbcbd92 204 int qscale; /* QP */
1e491e29 205 float frame_qscale; /* qscale from the frame level rc FIXME remove*/
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206 int adaptive_quant; /* use adaptive quantization */
207 int dquant; /* qscale difference to prev qscale */
9dbcbd92 208 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 209 int last_pict_type;
8b4c7dbc 210 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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211 int frame_rate_index;
212 /* motion compensation */
213 int unrestricted_mv;
214 int h263_long_vectors; /* use horrible h263v1 long vector mode */
215
eb4b3dd3 216 DSPContext dsp; /* pointers for accelerated dsp fucntions */
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217 int f_code; /* forward MV resolution */
218 int b_code; /* backward MV resolution for B Frames (mpeg4) */
219 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
220 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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221 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
222 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
223 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
224 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
225 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
226 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
227 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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228 int me_method; /* ME algorithm */
229 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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230 uint32_t *me_map; /* map to avoid duplicate evaluations */
231 uint16_t *me_score_map; /* map to store the SADs */
232 int me_map_generation;
233 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 234 int scene_change_score;
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235 int mv_dir;
236#define MV_DIR_BACKWARD 1
237#define MV_DIR_FORWARD 2
6f91bcd1 238#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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239 int mv_type;
240#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 241#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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242#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
243#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
244#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
245 /* motion vectors for a macroblock
246 first coordinate : 0 = forward 1 = backward
247 second " : depend on type
248 third " : 0 = x, 1 = y
249 */
250 int mv[2][4][2];
251 int field_select[2][2];
9dbcbd92 252 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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253 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
254 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
de6d9b64 255
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256 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
257 for b-frames rounding mode is allways 0 */
de6d9b64 258
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259 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
260 when set to 2 idct/dequant will be skipped too */
c5d309f2 261
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262 /* macroblock layer */
263 int mb_x, mb_y;
264 int mb_incr;
265 int mb_intra;
7f2fe444 266 UINT8 *mb_type; /* Table for MB type */
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267#define MB_TYPE_INTRA 0x01
268#define MB_TYPE_INTER 0x02
269#define MB_TYPE_INTER4V 0x04
270#define MB_TYPE_SKIPED 0x08
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271#define MB_TYPE_GMC 0x10
272
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273#define MB_TYPE_DIRECT 0x10
274#define MB_TYPE_FORWARD 0x20
9dbcbd92 275#define MB_TYPE_BACKWARD 0x40
ba6802de 276#define MB_TYPE_BIDIR 0x80
4278e7a6 277
9dbcbd92 278 int block_index[6]; /* index to current MB in block based arrays with edges*/
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279 int block_wrap[6];
280
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281 /* matrix transmitted in the bitstream */
282 UINT16 intra_matrix[64];
283 UINT16 chroma_intra_matrix[64];
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284 UINT16 inter_matrix[64];
285 UINT16 chroma_inter_matrix[64];
286#define QUANT_BIAS_SHIFT 4
287 int intra_quant_bias; /* bias for the quantizer */
288 int inter_quant_bias; /* bias for the quantizer */
289 int min_qcoeff; /* minimum encodable coefficient */
290 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 291 /* precomputed matrix (combine qscale and DCT renorm) */
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292 int __align8 q_intra_matrix[32][64];
293 int __align8 q_inter_matrix[32][64];
2f349de2 294 /* identical to the above but for MMX & these are not permutated */
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295 UINT16 __align8 q_intra_matrix16[32][64];
296 UINT16 __align8 q_inter_matrix16[32][64];
297 UINT16 __align8 q_intra_matrix16_bias[32][64];
298 UINT16 __align8 q_inter_matrix16_bias[32][64];
de6d9b64 299 int block_last_index[6]; /* last non zero coefficient in block */
2ad1516a 300 /* scantables */
05c4072b 301 ScanTable __align8 intra_scantable;
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302 ScanTable intra_h_scantable;
303 ScanTable intra_v_scantable;
304 ScanTable inter_scantable; // if inter == intra then intra should be used to reduce tha cache usage
305 UINT8 idct_permutation[64];
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306 int idct_permutation_type;
307#define FF_NO_IDCT_PERM 1
308#define FF_LIBMPEG2_IDCT_PERM 2
309#define FF_SIMPLE_IDCT_PERM 3
310#define FF_TRANSPOSE_IDCT_PERM 4
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311
312 void *opaque; /* private data for the user */
313
314 /* bit rate control */
9dbcbd92 315 int I_frame_bits; //FIXME used in mpeg12 ...
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316 INT64 wanted_bits;
317 INT64 total_bits;
8b4c7dbc 318 int frame_bits; /* bits used for the current frame */
3aa102be 319 RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
9cdd6a24 320
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321 /* statistics, used for 2-pass encoding */
322 int mv_bits;
323 int header_bits;
324 int i_tex_bits;
325 int p_tex_bits;
326 int i_count;
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327 int f_count;
328 int b_count;
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329 int skip_count;
330 int misc_bits; // cbp, mb_type
331 int last_bits; //temp var used for calculating the above vars
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332
333 /* error concealment / resync */
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334 UINT8 *error_status_table; /* table of the error status of each MB */
335#define VP_START 1 /* current MB is the first after a resync marker */
336#define AC_ERROR 2
337#define DC_ERROR 4
338#define MV_ERROR 8
339#define AC_END 16
340#define DC_END 32
341#define MV_END 64
342//FIXME some prefix?
343
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344 int resync_mb_x; /* x position of last resync marker */
345 int resync_mb_y; /* y position of last resync marker */
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346 GetBitContext last_resync_gb; /* used to serach for the next resync marker */
347 int mb_num_left; /* number of MBs left in this video packet (for partitioned Slices only)*/
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348 int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
349 int error_resilience;
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350
351 ParseContext parse_context;
098eefe1 352
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353 /* H.263 specific */
354 int gob_number;
644d98a4 355 int gob_index;
d140623f 356
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357 /* H.263+ specific */
358 int umvplus;
359 int umvplus_dec;
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360 int h263_aic; /* Advanded INTRA Coding (AIC) */
361 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 362
de6d9b64 363 /* mpeg4 specific */
6f91bcd1 364 int time_increment_resolution;
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365 int time_increment_bits; /* number of bits to represent the fractional part of time */
366 int last_time_base;
367 int time_base; /* time in seconds of last I,P,S Frame */
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368 INT64 time; /* time of current frame */
369 INT64 last_non_b_time;
370 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
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371 UINT16 pb_time; /* time distance between the last b and p,s,i frame */
372 UINT16 pp_field_time;
373 UINT16 pb_field_time; /* like above, just for interlaced */
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374 int shape;
375 int vol_sprite_usage;
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376 int sprite_width;
377 int sprite_height;
378 int sprite_left;
379 int sprite_top;
380 int sprite_brightness_change;
73c8e514 381 int num_sprite_warping_points;
44eb4951 382 int real_sprite_warping_points;
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383 int sprite_offset[2][2]; /* sprite offset[isChroma][isMVY] */
384 int sprite_delta[2][2]; /* sprite_delta [isY][isMVY] */
385 int sprite_shift[2]; /* sprite shift [isChroma] */
73c8e514 386 int mcsel;
1a565432 387 int quant_precision;
9dbcbd92 388 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 389 int scalability;
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390 int hierachy_type;
391 int enhancement_type;
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392 int new_pred;
393 int reduced_res_vop;
394 int aspect_ratio_info;
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395 int aspected_width;
396 int aspected_height;
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397 int sprite_warping_accuracy;
398 int low_latency_sprite;
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399 int data_partitioning; /* data partitioning flag from header */
400 int partitioned_frame; /* is current frame partitioned */
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401 int rvlc; /* reversible vlc */
402 int resync_marker; /* could this stream contain resync markers*/
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403 int low_delay; /* no reordering needed / has no b-frames */
404 int vo_type;
7aaf3b98 405 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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406 PutBitContext tex_pb; /* used for data partitioned VOPs */
407 PutBitContext pb2; /* used for data partitioned VOPs */
408#define PB_BUFFER_SIZE 1024*256
409 uint8_t *tex_pb_buffer;
410 uint8_t *pb2_buffer;
d930ef19 411 int mpeg_quant;
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412#define CO_LOCATED_TYPE_4MV 1
413#define CO_LOCATED_TYPE_FIELDMV 2
414 INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
415 INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
416 INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
417 int t_frame; /* time distance of first I -> B, used for interlaced b frames */
a61f8265 418 int padding_bug_score; /* used to detect the VERY common padding bug in MPEG4 */
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419
420 /* divx specific, used to workaround (many) bugs in divx5 */
421 int divx_version;
422 int divx_build;
eec1c6b9 423#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 424 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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425 int bitstream_buffer_size;
426
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427 int xvid_build;
428
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429 /* lavc specific stuff, used to workaround bugs in libavcodec */
430 int ffmpeg_version;
431 int lavc_build;
432
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433 /* RV10 specific */
434 int rv10_version; /* RV10 version: 0 or 3 */
435 int rv10_first_dc_coded[3];
436
437 /* MJPEG specific */
438 struct MJpegContext *mjpeg_ctx;
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439 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
440 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
441 int mjpeg_write_tables; /* do we want to have quantisation- and
442 huffmantables in the jpeg file ? */
a69b930c 443 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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444
445 /* MSMPEG4 specific */
446 int mv_table_index;
447 int rl_table_index;
448 int rl_chroma_table_index;
449 int dc_table_index;
450 int use_skip_mb_code;
451 int slice_height; /* in macroblocks */
49092244 452 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 453 int flipflop_rounding;
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454 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
455 int per_mb_rl_table;
456 int esc3_level_length;
457 int esc3_run_length;
0151a6f5 458 /* [mb_intra][isChroma][level][run][last] */
6b460aa3 459 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 460 int inter_intra_pred;
0151a6f5 461
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462 /* decompression specific */
463 GetBitContext gb;
464
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465 /* Mpeg1 specific */
466 int fake_picture_number; /* picture number at the bitstream frame rate */
467 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
468
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469 /* MPEG2 specific - I wish I had not to support this mess. */
470 int progressive_sequence;
471 int mpeg_f_code[2][2];
472 int picture_structure;
473/* picture type */
474#define PICT_TOP_FIELD 1
475#define PICT_BOTTOM_FIELD 2
476#define PICT_FRAME 3
477
478 int intra_dc_precision;
479 int frame_pred_frame_dct;
480 int top_field_first;
481 int concealment_motion_vectors;
482 int q_scale_type;
483 int intra_vlc_format;
484 int alternate_scan;
485 int repeat_first_field;
486 int chroma_420_type;
487 int progressive_frame;
488 int mpeg2;
489 int full_pel[2];
490 int interlaced_dct;
de6d9b64 491 int first_slice;
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492
493 /* RTP specific */
81401c1f 494 /* These are explained on avcodec.h */
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495 int rtp_mode;
496 int rtp_payload_size;
81401c1f 497 void (*rtp_callback)(void *data, int size, int packet_number);
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498 UINT8 *ptr_lastgob;
499 UINT8 *ptr_last_mb_line;
500 UINT32 mb_line_avgsize;
501
ba6802de 502 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 503 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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504 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
505#define SLICE_OK 0
506#define SLICE_ERROR -1
507#define SLICE_END -2 //end marker found
508#define SLICE_NOEND -3 //no end marker or error found but mb count exceeded
509
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510 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
511 DCTELEM *block, int n, int qscale);
512 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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513 DCTELEM *block, int n, int qscale);
514 void (*dct_unquantize_h263)(struct MpegEncContext *s,
515 DCTELEM *block, int n, int qscale);
516 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 517 DCTELEM *block, int n, int qscale);
28db7fce 518 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
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519 void (*fdct)(DCTELEM *block/* align 16*/);
520 void (*idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
521 void (*idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
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522} MpegEncContext;
523
4d2858de 524
defdfc9a 525int DCT_common_init(MpegEncContext *s);
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526int MPV_common_init(MpegEncContext *s);
527void MPV_common_end(MpegEncContext *s);
528void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
d6db1c9c 529int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 530void MPV_frame_end(MpegEncContext *s);
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531#ifdef HAVE_MMX
532void MPV_common_init_mmx(MpegEncContext *s);
533#endif
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534#ifdef ARCH_ALPHA
535void MPV_common_init_axp(MpegEncContext *s);
536#endif
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537#ifdef HAVE_MLIB
538void MPV_common_init_mlib(MpegEncContext *s);
539#endif
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540#ifdef HAVE_MMI
541void MPV_common_init_mmi(MpegEncContext *s);
542#endif
83f238cb 543#ifdef ARCH_ARMV4L
d43b10ec 544void MPV_common_init_armv4l(MpegEncContext *s);
83f238cb 545#endif
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546#ifdef ARCH_POWERPC
547void MPV_common_init_ppc(MpegEncContext *s);
548#endif
c3aea5c4 549extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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550void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
551void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
552void ff_clean_intra_table_entries(MpegEncContext *s);
2ad1516a 553void ff_init_scantable(MpegEncContext *s, ScanTable *st, const UINT8 *src_scantable);
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554void ff_error_resilience(MpegEncContext *s);
555void ff_draw_horiz_band(MpegEncContext *s);
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556char ff_get_pict_type_char(int pict_type);
557
de6d9b64 558
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559extern int ff_bit_exact;
560
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561static inline void ff_init_block_index(MpegEncContext *s){
562 s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
563 s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
564 s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
565 s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
566 s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
567 s->block_index[5]= s->block_wrap[4]*(s->mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
568}
569
570static inline void ff_update_block_index(MpegEncContext *s){
571 s->block_index[0]+=2;
572 s->block_index[1]+=2;
573 s->block_index[2]+=2;
574 s->block_index[3]+=2;
575 s->block_index[4]++;
576 s->block_index[5]++;
577}
578
579
de6d9b64 580/* motion_est.c */
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581void ff_estimate_p_frame_motion(MpegEncContext * s,
582 int mb_x, int mb_y);
583void ff_estimate_b_frame_motion(MpegEncContext * s,
584 int mb_x, int mb_y);
585int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
586void ff_fix_long_p_mvs(MpegEncContext * s);
587void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
de6d9b64 588
4d2858de 589
de6d9b64 590/* mpeg12.c */
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591extern const INT16 ff_mpeg1_default_intra_matrix[64];
592extern const INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 593extern UINT8 ff_mpeg1_dc_scale_table[128];
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594
595void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
596void mpeg1_encode_mb(MpegEncContext *s,
597 DCTELEM block[6][64],
598 int motion_x, int motion_y);
0151a6f5 599void ff_mpeg1_encode_init(MpegEncContext *s);
de6d9b64 600
4d2858de 601
de6d9b64 602/* h263enc.c */
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603typedef struct RLTable {
604 int n; /* number of entries of table_vlc minus 1 */
605 int last; /* number of values for last = 0 */
606 const UINT16 (*table_vlc)[2];
607 const INT8 *table_run;
608 const INT8 *table_level;
609 UINT8 *index_run[2]; /* encoding only */
610 INT8 *max_level[2]; /* encoding & decoding */
611 INT8 *max_run[2]; /* encoding & decoding */
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612 VLC vlc; /* decoding only deprected FIXME remove*/
613 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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614} RLTable;
615
616void init_rl(RLTable *rl);
617void init_vlc_rl(RLTable *rl);
618
3232bc88 619static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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620{
621 int index;
622 index = rl->index_run[last][run];
623 if (index >= rl->n)
624 return rl->n;
625 if (level > rl->max_level[last][run])
626 return rl->n;
627 return index + level - 1;
628}
629
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630extern UINT8 ff_mpeg4_y_dc_scale_table[32];
631extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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632extern const INT16 ff_mpeg4_default_intra_matrix[64];
633extern const INT16 ff_mpeg4_default_non_intra_matrix[64];
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634void h263_encode_mb(MpegEncContext *s,
635 DCTELEM block[6][64],
636 int motion_x, int motion_y);
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637void mpeg4_encode_mb(MpegEncContext *s,
638 DCTELEM block[6][64],
639 int motion_x, int motion_y);
de6d9b64 640void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 641int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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642INT16 *h263_pred_motion(MpegEncContext * s, int block,
643 int *px, int *py);
644void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
645 int dir);
91029be7 646void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 647void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 648void h263_encode_init(MpegEncContext *s);
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649void h263_decode_init_vlc(MpegEncContext *s);
650int h263_decode_picture_header(MpegEncContext *s);
4d2858de 651int ff_h263_decode_gob_header(MpegEncContext *s);
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652int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
653
654
de6d9b64 655int intel_h263_decode_picture_header(MpegEncContext *s);
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656int ff_h263_decode_mb(MpegEncContext *s,
657 DCTELEM block[6][64]);
de6d9b64 658int h263_get_picture_format(int width, int height);
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659void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
660void ff_mpeg4_clean_buffers(MpegEncContext *s);
661void ff_mpeg4_stuffing(PutBitContext * pbc);
662void ff_mpeg4_init_partitions(MpegEncContext *s);
663void ff_mpeg4_merge_partitions(MpegEncContext *s);
c5d309f2 664void ff_clean_mpeg4_qscales(MpegEncContext *s);
9e4c6948 665void ff_clean_h263_qscales(MpegEncContext *s);
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666int ff_mpeg4_decode_partitions(MpegEncContext *s);
667int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
668int ff_h263_resync(MpegEncContext *s);
669int ff_h263_get_gob_height(MpegEncContext *s);
670
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671
672/* rv10.c */
673void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
674int rv_decode_dc(MpegEncContext *s, int n);
675
4d2858de 676
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677/* msmpeg4.c */
678void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 679void msmpeg4_encode_ext_header(MpegEncContext * s);
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680void msmpeg4_encode_mb(MpegEncContext * s,
681 DCTELEM block[6][64],
682 int motion_x, int motion_y);
de6d9b64 683int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 684int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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685int ff_msmpeg4_decode_init(MpegEncContext *s);
686void ff_msmpeg4_encode_init(MpegEncContext *s);
de6d9b64 687
de6d9b64 688
4d2858de 689/* mjpegenc.c */
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690int mjpeg_init(MpegEncContext *s);
691void mjpeg_close(MpegEncContext *s);
692void mjpeg_encode_mb(MpegEncContext *s,
693 DCTELEM block[6][64]);
694void mjpeg_picture_header(MpegEncContext *s);
695void mjpeg_picture_trailer(MpegEncContext *s);
8b4c7dbc 696
4d2858de 697
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698/* rate control */
699int ff_rate_control_init(MpegEncContext *s);
c5d309f2 700float ff_rate_estimate_qscale(MpegEncContext *s);
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701void ff_write_pass1_stats(MpegEncContext *s);
702void ff_rate_control_uninit(MpegEncContext *s);
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703double ff_eval(char *s, double *const_value, char **const_name,
704 double (**func1)(void *, double), char **func1_name,
705 double (**func2)(void *, double, double), char **func2_name,
706 void *opaque);
707
8b4c7dbc 708
cd4af68a 709#endif /* AVCODEC_MPEGVIDEO_H */