added BeOS net_server support (R5 network stack), basically the same
[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 16
34#define QMAT_SHIFT 22
2f349de2 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;
c5d309f2 56 float qscale;
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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 */
23e54f69 79 double pass1_rc_eq_output_sum;/* sum of the output of the rc equation, this is used for normalization */
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80 double pass1_wanted_bits; /* bits which should have been outputed by the pass1 code (including complexity init) */
81 double last_qscale;
947ac25a 82 double last_qscale_for[5]; /* last qscale for a specific pict type, used for max_diff & ipb factor stuff */
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83 int last_mc_mb_var_sum;
84 int last_mb_var_sum;
85 UINT64 i_cplx_sum[5];
86 UINT64 p_cplx_sum[5];
87 UINT64 mv_bits_sum[5];
88 UINT64 qscale_sum[5];
89 int frame_count[5];
947ac25a 90 int last_non_b_pict_type;
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91}RateControlContext;
92
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93typedef struct ReorderBuffer{
94 UINT8 *picture[3];
95 int pict_type;
96 int qscale;
97 int force_type;
98 int picture_number;
99 int picture_in_gop_number;
100} ReorderBuffer;
101
2ad1516a 102typedef struct ScanTable{
7801d21d 103 const UINT8 *scantable;
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104 UINT8 permutated[64];
105 UINT8 raster_end[64];
106} ScanTable;
107
de6d9b64 108typedef struct MpegEncContext {
58f26ba9 109 struct AVCodecContext *avctx;
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110 /* the following parameters must be initialized before encoding */
111 int width, height; /* picture size. must be a multiple of 16 */
112 int gop_size;
113 int frame_rate; /* number of frames per second */
114 int intra_only; /* if true, only intra pictures are generated */
115 int bit_rate; /* wanted bit rate */
9cdd6a24 116 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 117 enum OutputFormat out_format; /* output format */
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118 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
119
120/* the following codec id fields are deprecated in favor of codec_id */
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121 int h263_plus; /* h263 plus headers */
122 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 123 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 124 int h263_intel; /* use I263 intel h263 header */
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125
126 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 127 int fixed_qscale; /* fixed qscale if non zero */
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128 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
129 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
130 int qmin; /* min qscale */
131 int qmax; /* max qscale */
132 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 133 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 134 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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135 int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
136 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 137 int b_frame_strategy;
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138 int luma_elim_threshold;
139 int chroma_elim_threshold;
140 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 141 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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142 /* the following fields are managed internally by the encoder */
143
144 /* bit output */
145 PutBitContext pb;
146
147 /* sequence parameters */
148 int context_initialized;
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149 int input_picture_number;
150 int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
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151 int picture_number;
152 int fake_picture_number; /* picture number at the bitstream frame rate */
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153 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
154 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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155 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
156 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 157 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 158 int mb_num; /* number of MBs of a picture */
de6d9b64 159 int linesize; /* line size, in bytes, may be different from width */
0fd90455 160 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
de6d9b64 161 UINT8 *new_picture[3]; /* picture to be compressed */
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162 UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
163 int picture_buffer_index;
164 ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
165 UINT8 *last_picture[3]; /* previous picture */
de6d9b64 166 UINT8 *last_picture_base[3]; /* real start of the picture */
9dbcbd92 167 UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
de6d9b64 168 UINT8 *next_picture_base[3]; /* real start of the picture */
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169 UINT8 *aux_picture[3]; /* aux picture (for B frames only) */
170 UINT8 *aux_picture_base[3]; /* real start of the picture */
171 UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */
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172 void *last_dr_opaque;
173 void *next_dr_opaque;
0fd90455 174 int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */
1c2a8c7f 175 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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176 int last_dc[3]; /* last DC values for MPEG1 */
177 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 178 int y_dc_scale, c_dc_scale;
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179 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
180 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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181 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
182 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 183 int ac_pred;
3bb4e23a 184 int mb_skiped; /* MUST BE SET only during DECODING */
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185 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
186 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
187 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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188 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
189 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
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190 INT8 *qscale_table; /* used to store qscale */
191 INT8 *aux_qscale_table;
192 INT8 *next_qscale_table;
193 INT8 *last_qscale_table; //FIXME move these into some picture struct (MpegEncContext.aux.qscale_table[])
93a21abd 194 UINT8 *edge_emu_buffer;
de6d9b64 195
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196 int input_qscale; /* qscale prior to reordering of frames */
197 int input_pict_type; /* pict_type prior to reordering of frames */
198 int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
199 int qscale; /* QP */
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200 float frame_qscale; /* qscale from the frame level rc */
201 int adaptive_quant; /* use adaptive quantization */
202 int dquant; /* qscale difference to prev qscale */
9dbcbd92 203 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 204 int last_pict_type;
8b4c7dbc 205 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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206 int frame_rate_index;
207 /* motion compensation */
208 int unrestricted_mv;
209 int h263_long_vectors; /* use horrible h263v1 long vector mode */
210
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211 int f_code; /* forward MV resolution */
212 int b_code; /* backward MV resolution for B Frames (mpeg4) */
213 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
214 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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215 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
216 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
217 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
218 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
219 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
220 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
221 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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222 int me_method; /* ME algorithm */
223 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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224 uint32_t *me_map; /* map to avoid duplicate evaluations */
225 uint16_t *me_score_map; /* map to store the SADs */
226 int me_map_generation;
227 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 228 int scene_change_score;
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229 int mv_dir;
230#define MV_DIR_BACKWARD 1
231#define MV_DIR_FORWARD 2
6f91bcd1 232#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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233 int mv_type;
234#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 235#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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236#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
237#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
238#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
239 /* motion vectors for a macroblock
240 first coordinate : 0 = forward 1 = backward
241 second " : depend on type
242 third " : 0 = x, 1 = y
243 */
244 int mv[2][4][2];
245 int field_select[2][2];
9dbcbd92 246 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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247 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
248 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
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249
250 int has_b_frames;
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251 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
252 for b-frames rounding mode is allways 0 */
de6d9b64 253
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254 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
255 when set to 2 idct/dequant will be skipped too */
c5d309f2 256
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257 /* macroblock layer */
258 int mb_x, mb_y;
259 int mb_incr;
260 int mb_intra;
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261 UINT16 *mb_var; /* Table for MB variances */
262 UINT16 *mc_mb_var; /* Table for motion compensated MB variances */
c5d309f2 263 UINT8 *mb_mean; /* Table for MB luminance */
7f2fe444 264 UINT8 *mb_type; /* Table for MB type */
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265#define MB_TYPE_INTRA 0x01
266#define MB_TYPE_INTER 0x02
267#define MB_TYPE_INTER4V 0x04
268#define MB_TYPE_SKIPED 0x08
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269#define MB_TYPE_GMC 0x10
270
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271#define MB_TYPE_DIRECT 0x10
272#define MB_TYPE_FORWARD 0x20
9dbcbd92 273#define MB_TYPE_BACKWARD 0x40
ba6802de 274#define MB_TYPE_BIDIR 0x80
4278e7a6 275
9dbcbd92 276 int block_index[6]; /* index to current MB in block based arrays with edges*/
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277 int block_wrap[6];
278
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279 /* matrix transmitted in the bitstream */
280 UINT16 intra_matrix[64];
281 UINT16 chroma_intra_matrix[64];
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282 UINT16 inter_matrix[64];
283 UINT16 chroma_inter_matrix[64];
284#define QUANT_BIAS_SHIFT 4
285 int intra_quant_bias; /* bias for the quantizer */
286 int inter_quant_bias; /* bias for the quantizer */
287 int min_qcoeff; /* minimum encodable coefficient */
288 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 289 /* precomputed matrix (combine qscale and DCT renorm) */
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290 int q_intra_matrix[32][64];
291 int q_inter_matrix[32][64];
2f349de2 292 /* identical to the above but for MMX & these are not permutated */
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293 UINT16 __align8 q_intra_matrix16[32][64];
294 UINT16 __align8 q_inter_matrix16[32][64];
295 UINT16 __align8 q_intra_matrix16_bias[32][64];
296 UINT16 __align8 q_inter_matrix16_bias[32][64];
de6d9b64 297 int block_last_index[6]; /* last non zero coefficient in block */
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298 /* scantables */
299 ScanTable intra_scantable;
300 ScanTable intra_h_scantable;
301 ScanTable intra_v_scantable;
302 ScanTable inter_scantable; // if inter == intra then intra should be used to reduce tha cache usage
303 UINT8 idct_permutation[64];
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304 int idct_permutation_type;
305#define FF_NO_IDCT_PERM 1
306#define FF_LIBMPEG2_IDCT_PERM 2
307#define FF_SIMPLE_IDCT_PERM 3
308#define FF_TRANSPOSE_IDCT_PERM 4
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309
310 void *opaque; /* private data for the user */
311
312 /* bit rate control */
9dbcbd92 313 int I_frame_bits; //FIXME used in mpeg12 ...
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314 int mb_var_sum; /* sum of MB variance for current frame */
315 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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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;
098eefe1 350
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351 /* H.263 specific */
352 int gob_number;
644d98a4 353 int gob_index;
d140623f 354
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355 /* H.263+ specific */
356 int umvplus;
357 int umvplus_dec;
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358 int h263_aic; /* Advanded INTRA Coding (AIC) */
359 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 360
de6d9b64 361 /* mpeg4 specific */
6f91bcd1 362 int time_increment_resolution;
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363 int time_increment_bits; /* number of bits to represent the fractional part of time */
364 int last_time_base;
365 int time_base; /* time in seconds of last I,P,S Frame */
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366 INT64 time; /* time of current frame */
367 INT64 last_non_b_time;
368 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
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369 UINT16 pb_time; /* time distance between the last b and p,s,i frame */
370 UINT16 pp_field_time;
371 UINT16 pb_field_time; /* like above, just for interlaced */
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372 int shape;
373 int vol_sprite_usage;
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374 int sprite_width;
375 int sprite_height;
376 int sprite_left;
377 int sprite_top;
378 int sprite_brightness_change;
73c8e514 379 int num_sprite_warping_points;
44eb4951 380 int real_sprite_warping_points;
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381 int sprite_offset[2][2]; /* sprite offset[isChroma][isMVY] */
382 int sprite_delta[2][2]; /* sprite_delta [isY][isMVY] */
383 int sprite_shift[2]; /* sprite shift [isChroma] */
73c8e514 384 int mcsel;
1a565432 385 int quant_precision;
9dbcbd92 386 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 387 int scalability;
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388 int hierachy_type;
389 int enhancement_type;
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390 int new_pred;
391 int reduced_res_vop;
392 int aspect_ratio_info;
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393 int aspected_width;
394 int aspected_height;
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395 int sprite_warping_accuracy;
396 int low_latency_sprite;
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397 int data_partitioning; /* data partitioning flag from header */
398 int partitioned_frame; /* is current frame partitioned */
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399 int rvlc; /* reversible vlc */
400 int resync_marker; /* could this stream contain resync markers*/
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401 int low_delay; /* no reordering needed / has no b-frames */
402 int vo_type;
7aaf3b98 403 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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404 PutBitContext tex_pb; /* used for data partitioned VOPs */
405 PutBitContext pb2; /* used for data partitioned VOPs */
406#define PB_BUFFER_SIZE 1024*256
407 uint8_t *tex_pb_buffer;
408 uint8_t *pb2_buffer;
d930ef19 409 int mpeg_quant;
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410#define CO_LOCATED_TYPE_4MV 1
411#define CO_LOCATED_TYPE_FIELDMV 2
412 INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
413 INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
414 INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
415 int t_frame; /* time distance of first I -> B, used for interlaced b frames */
a61f8265 416 int padding_bug_score; /* used to detect the VERY common padding bug in MPEG4 */
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417
418 /* divx specific, used to workaround (many) bugs in divx5 */
419 int divx_version;
420 int divx_build;
eec1c6b9 421#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 422 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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423 int bitstream_buffer_size;
424
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425 int xvid_build;
426
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427 /* lavc specific stuff, used to workaround bugs in libavcodec */
428 int ffmpeg_version;
429 int lavc_build;
430
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431 /* RV10 specific */
432 int rv10_version; /* RV10 version: 0 or 3 */
433 int rv10_first_dc_coded[3];
434
435 /* MJPEG specific */
436 struct MJpegContext *mjpeg_ctx;
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437 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
438 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
439 int mjpeg_write_tables; /* do we want to have quantisation- and
440 huffmantables in the jpeg file ? */
a69b930c 441 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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442
443 /* MSMPEG4 specific */
444 int mv_table_index;
445 int rl_table_index;
446 int rl_chroma_table_index;
447 int dc_table_index;
448 int use_skip_mb_code;
449 int slice_height; /* in macroblocks */
49092244 450 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 451 int flipflop_rounding;
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452 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
453 int per_mb_rl_table;
454 int esc3_level_length;
455 int esc3_run_length;
0151a6f5 456 /* [mb_intra][isChroma][level][run][last] */
6b460aa3 457 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 458 int inter_intra_pred;
0151a6f5 459
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460 /* decompression specific */
461 GetBitContext gb;
462
463 /* MPEG2 specific - I wish I had not to support this mess. */
464 int progressive_sequence;
465 int mpeg_f_code[2][2];
466 int picture_structure;
467/* picture type */
468#define PICT_TOP_FIELD 1
469#define PICT_BOTTOM_FIELD 2
470#define PICT_FRAME 3
471
472 int intra_dc_precision;
473 int frame_pred_frame_dct;
474 int top_field_first;
475 int concealment_motion_vectors;
476 int q_scale_type;
477 int intra_vlc_format;
478 int alternate_scan;
479 int repeat_first_field;
480 int chroma_420_type;
481 int progressive_frame;
482 int mpeg2;
483 int full_pel[2];
484 int interlaced_dct;
485 int last_qscale;
486 int first_slice;
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487
488 /* RTP specific */
81401c1f 489 /* These are explained on avcodec.h */
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490 int rtp_mode;
491 int rtp_payload_size;
81401c1f 492 void (*rtp_callback)(void *data, int size, int packet_number);
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493 UINT8 *ptr_lastgob;
494 UINT8 *ptr_last_mb_line;
495 UINT32 mb_line_avgsize;
496
ba6802de 497 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 498 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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499 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
500#define SLICE_OK 0
501#define SLICE_ERROR -1
502#define SLICE_END -2 //end marker found
503#define SLICE_NOEND -3 //no end marker or error found but mb count exceeded
504
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505 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
506 DCTELEM *block, int n, int qscale);
507 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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508 DCTELEM *block, int n, int qscale);
509 void (*dct_unquantize_h263)(struct MpegEncContext *s,
510 DCTELEM *block, int n, int qscale);
511 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 512 DCTELEM *block, int n, int qscale);
28db7fce 513 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
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514 void (*fdct)(DCTELEM *block/* align 16*/);
515 void (*idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
516 void (*idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
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517} MpegEncContext;
518
4d2858de 519
defdfc9a 520int DCT_common_init(MpegEncContext *s);
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521int MPV_common_init(MpegEncContext *s);
522void MPV_common_end(MpegEncContext *s);
523void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
d6db1c9c 524int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 525void MPV_frame_end(MpegEncContext *s);
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526#ifdef HAVE_MMX
527void MPV_common_init_mmx(MpegEncContext *s);
528#endif
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529#ifdef ARCH_ALPHA
530void MPV_common_init_axp(MpegEncContext *s);
531#endif
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532#ifdef HAVE_MLIB
533void MPV_common_init_mlib(MpegEncContext *s);
534#endif
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535#ifdef HAVE_MMI
536void MPV_common_init_mmi(MpegEncContext *s);
537#endif
c3aea5c4 538extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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539void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
540void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
541void ff_clean_intra_table_entries(MpegEncContext *s);
2ad1516a 542void ff_init_scantable(MpegEncContext *s, ScanTable *st, const UINT8 *src_scantable);
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543void ff_error_resilience(MpegEncContext *s);
544void ff_draw_horiz_band(MpegEncContext *s);
de6d9b64 545
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546extern int ff_bit_exact;
547
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548static inline void ff_init_block_index(MpegEncContext *s){
549 s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
550 s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
551 s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
552 s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
553 s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
554 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;
555}
556
557static inline void ff_update_block_index(MpegEncContext *s){
558 s->block_index[0]+=2;
559 s->block_index[1]+=2;
560 s->block_index[2]+=2;
561 s->block_index[3]+=2;
562 s->block_index[4]++;
563 s->block_index[5]++;
564}
565
566
de6d9b64 567/* motion_est.c */
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568void ff_estimate_p_frame_motion(MpegEncContext * s,
569 int mb_x, int mb_y);
570void ff_estimate_b_frame_motion(MpegEncContext * s,
571 int mb_x, int mb_y);
572int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
573void ff_fix_long_p_mvs(MpegEncContext * s);
574void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
de6d9b64 575
4d2858de 576
de6d9b64 577/* mpeg12.c */
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578extern const INT16 ff_mpeg1_default_intra_matrix[64];
579extern const INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 580extern UINT8 ff_mpeg1_dc_scale_table[128];
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581
582void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
583void mpeg1_encode_mb(MpegEncContext *s,
584 DCTELEM block[6][64],
585 int motion_x, int motion_y);
0151a6f5 586void ff_mpeg1_encode_init(MpegEncContext *s);
de6d9b64 587
4d2858de 588
de6d9b64 589/* h263enc.c */
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590typedef struct RLTable {
591 int n; /* number of entries of table_vlc minus 1 */
592 int last; /* number of values for last = 0 */
593 const UINT16 (*table_vlc)[2];
594 const INT8 *table_run;
595 const INT8 *table_level;
596 UINT8 *index_run[2]; /* encoding only */
597 INT8 *max_level[2]; /* encoding & decoding */
598 INT8 *max_run[2]; /* encoding & decoding */
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599 VLC vlc; /* decoding only deprected FIXME remove*/
600 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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601} RLTable;
602
603void init_rl(RLTable *rl);
604void init_vlc_rl(RLTable *rl);
605
3232bc88 606static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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607{
608 int index;
609 index = rl->index_run[last][run];
610 if (index >= rl->n)
611 return rl->n;
612 if (level > rl->max_level[last][run])
613 return rl->n;
614 return index + level - 1;
615}
616
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617extern UINT8 ff_mpeg4_y_dc_scale_table[32];
618extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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619extern const INT16 ff_mpeg4_default_intra_matrix[64];
620extern const INT16 ff_mpeg4_default_non_intra_matrix[64];
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621void h263_encode_mb(MpegEncContext *s,
622 DCTELEM block[6][64],
623 int motion_x, int motion_y);
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624void mpeg4_encode_mb(MpegEncContext *s,
625 DCTELEM block[6][64],
626 int motion_x, int motion_y);
de6d9b64 627void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 628int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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629INT16 *h263_pred_motion(MpegEncContext * s, int block,
630 int *px, int *py);
631void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
632 int dir);
91029be7 633void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 634void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 635void h263_encode_init(MpegEncContext *s);
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636void h263_decode_init_vlc(MpegEncContext *s);
637int h263_decode_picture_header(MpegEncContext *s);
4d2858de 638int ff_h263_decode_gob_header(MpegEncContext *s);
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639int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
640
641
de6d9b64 642int intel_h263_decode_picture_header(MpegEncContext *s);
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643int ff_h263_decode_mb(MpegEncContext *s,
644 DCTELEM block[6][64]);
de6d9b64 645int h263_get_picture_format(int width, int height);
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646void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
647void ff_mpeg4_clean_buffers(MpegEncContext *s);
648void ff_mpeg4_stuffing(PutBitContext * pbc);
649void ff_mpeg4_init_partitions(MpegEncContext *s);
650void ff_mpeg4_merge_partitions(MpegEncContext *s);
c5d309f2 651void ff_clean_mpeg4_qscales(MpegEncContext *s);
9e4c6948 652void ff_clean_h263_qscales(MpegEncContext *s);
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653int ff_mpeg4_decode_partitions(MpegEncContext *s);
654int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
655int ff_h263_resync(MpegEncContext *s);
656int ff_h263_get_gob_height(MpegEncContext *s);
657
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658
659/* rv10.c */
660void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
661int rv_decode_dc(MpegEncContext *s, int n);
662
4d2858de 663
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664/* msmpeg4.c */
665void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 666void msmpeg4_encode_ext_header(MpegEncContext * s);
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667void msmpeg4_encode_mb(MpegEncContext * s,
668 DCTELEM block[6][64],
669 int motion_x, int motion_y);
de6d9b64 670int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 671int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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672int ff_msmpeg4_decode_init(MpegEncContext *s);
673void ff_msmpeg4_encode_init(MpegEncContext *s);
de6d9b64 674
de6d9b64 675
4d2858de 676/* mjpegenc.c */
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677int mjpeg_init(MpegEncContext *s);
678void mjpeg_close(MpegEncContext *s);
679void mjpeg_encode_mb(MpegEncContext *s,
680 DCTELEM block[6][64]);
681void mjpeg_picture_header(MpegEncContext *s);
682void mjpeg_picture_trailer(MpegEncContext *s);
8b4c7dbc 683
4d2858de 684
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685/* rate control */
686int ff_rate_control_init(MpegEncContext *s);
c5d309f2 687float ff_rate_estimate_qscale(MpegEncContext *s);
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688void ff_write_pass1_stats(MpegEncContext *s);
689void ff_rate_control_uninit(MpegEncContext *s);
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690double ff_eval(char *s, double *const_value, char **const_name,
691 double (**func1)(void *, double), char **func1_name,
692 double (**func2)(void *, double, double), char **func2_name,
693 void *opaque);
694
8b4c7dbc 695
cd4af68a 696#endif /* AVCODEC_MPEGVIDEO_H */