*HUGE* set of compiler warning fixes, unused variables removal
[libav.git] / libavcodec / mpegvideo.h
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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];
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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
de6d9b64 112typedef struct MpegEncContext {
58f26ba9 113 struct AVCodecContext *avctx;
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114 /* the following parameters must be initialized before encoding */
115 int width, height; /* picture size. must be a multiple of 16 */
116 int gop_size;
117 int frame_rate; /* number of frames per second */
118 int intra_only; /* if true, only intra pictures are generated */
119 int bit_rate; /* wanted bit rate */
9cdd6a24 120 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 121 enum OutputFormat out_format; /* output format */
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122 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
123
124/* the following codec id fields are deprecated in favor of codec_id */
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125 int h263_plus; /* h263 plus headers */
126 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 127 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 128 int h263_intel; /* use I263 intel h263 header */
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129
130 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 131 int fixed_qscale; /* fixed qscale if non zero */
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132 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
133 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
134 int qmin; /* min qscale */
135 int qmax; /* max qscale */
136 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 137 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 138 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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139 int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
140 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 141 int b_frame_strategy;
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142 int luma_elim_threshold;
143 int chroma_elim_threshold;
144 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 145 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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146 /* the following fields are managed internally by the encoder */
147
148 /* bit output */
149 PutBitContext pb;
150
151 /* sequence parameters */
152 int context_initialized;
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153 int input_picture_number;
154 int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
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155 int picture_number;
156 int fake_picture_number; /* picture number at the bitstream frame rate */
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157 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
158 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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159 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
160 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 161 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 162 int mb_num; /* number of MBs of a picture */
de6d9b64 163 int linesize; /* line size, in bytes, may be different from width */
0fd90455 164 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
de6d9b64 165 UINT8 *new_picture[3]; /* picture to be compressed */
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166 UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
167 int picture_buffer_index;
168 ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
169 UINT8 *last_picture[3]; /* previous picture */
de6d9b64 170 UINT8 *last_picture_base[3]; /* real start of the picture */
9dbcbd92 171 UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
de6d9b64 172 UINT8 *next_picture_base[3]; /* real start of the picture */
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173 UINT8 *aux_picture[3]; /* aux picture (for B frames only) */
174 UINT8 *aux_picture_base[3]; /* real start of the picture */
175 UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */
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176 void *last_dr_opaque;
177 void *next_dr_opaque;
0fd90455 178 int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */
1c2a8c7f 179 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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180 int last_dc[3]; /* last DC values for MPEG1 */
181 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 182 int y_dc_scale, c_dc_scale;
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183 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
184 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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185 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
186 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 187 int ac_pred;
3bb4e23a 188 int mb_skiped; /* MUST BE SET only during DECODING */
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189 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
190 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
191 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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192 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
193 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
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194 INT8 *qscale_table; /* used to store qscale */
195 INT8 *aux_qscale_table;
196 INT8 *next_qscale_table;
197 INT8 *last_qscale_table; //FIXME move these into some picture struct (MpegEncContext.aux.qscale_table[])
93a21abd 198 UINT8 *edge_emu_buffer;
de6d9b64 199
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200 int input_qscale; /* qscale prior to reordering of frames */
201 int input_pict_type; /* pict_type prior to reordering of frames */
202 int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
203 int qscale; /* QP */
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204 float frame_qscale; /* qscale from the frame level rc */
205 int adaptive_quant; /* use adaptive quantization */
206 int dquant; /* qscale difference to prev qscale */
9dbcbd92 207 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 208 int last_pict_type;
8b4c7dbc 209 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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210 int frame_rate_index;
211 /* motion compensation */
212 int unrestricted_mv;
213 int h263_long_vectors; /* use horrible h263v1 long vector mode */
214
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215 int f_code; /* forward MV resolution */
216 int b_code; /* backward MV resolution for B Frames (mpeg4) */
217 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
218 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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219 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
220 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
221 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
222 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
223 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
224 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
225 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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226 int me_method; /* ME algorithm */
227 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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228 uint32_t *me_map; /* map to avoid duplicate evaluations */
229 uint16_t *me_score_map; /* map to store the SADs */
230 int me_map_generation;
231 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 232 int scene_change_score;
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233 int mv_dir;
234#define MV_DIR_BACKWARD 1
235#define MV_DIR_FORWARD 2
6f91bcd1 236#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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237 int mv_type;
238#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 239#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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240#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
241#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
242#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
243 /* motion vectors for a macroblock
244 first coordinate : 0 = forward 1 = backward
245 second " : depend on type
246 third " : 0 = x, 1 = y
247 */
248 int mv[2][4][2];
249 int field_select[2][2];
9dbcbd92 250 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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251 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
252 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
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253
254 int has_b_frames;
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255 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
256 for b-frames rounding mode is allways 0 */
de6d9b64 257
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258 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
259 when set to 2 idct/dequant will be skipped too */
c5d309f2 260
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261 /* macroblock layer */
262 int mb_x, mb_y;
263 int mb_incr;
264 int mb_intra;
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265 UINT16 *mb_var; /* Table for MB variances */
266 UINT16 *mc_mb_var; /* Table for motion compensated MB variances */
c5d309f2 267 UINT8 *mb_mean; /* Table for MB luminance */
7f2fe444 268 UINT8 *mb_type; /* Table for MB type */
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269#define MB_TYPE_INTRA 0x01
270#define MB_TYPE_INTER 0x02
271#define MB_TYPE_INTER4V 0x04
272#define MB_TYPE_SKIPED 0x08
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273#define MB_TYPE_GMC 0x10
274
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275#define MB_TYPE_DIRECT 0x10
276#define MB_TYPE_FORWARD 0x20
9dbcbd92 277#define MB_TYPE_BACKWARD 0x40
ba6802de 278#define MB_TYPE_BIDIR 0x80
4278e7a6 279
9dbcbd92 280 int block_index[6]; /* index to current MB in block based arrays with edges*/
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281 int block_wrap[6];
282
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283 /* matrix transmitted in the bitstream */
284 UINT16 intra_matrix[64];
285 UINT16 chroma_intra_matrix[64];
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286 UINT16 inter_matrix[64];
287 UINT16 chroma_inter_matrix[64];
288#define QUANT_BIAS_SHIFT 4
289 int intra_quant_bias; /* bias for the quantizer */
290 int inter_quant_bias; /* bias for the quantizer */
291 int min_qcoeff; /* minimum encodable coefficient */
292 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 293 /* precomputed matrix (combine qscale and DCT renorm) */
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294 int __align8 q_intra_matrix[32][64];
295 int __align8 q_inter_matrix[32][64];
2f349de2 296 /* identical to the above but for MMX & these are not permutated */
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297 UINT16 __align8 q_intra_matrix16[32][64];
298 UINT16 __align8 q_inter_matrix16[32][64];
299 UINT16 __align8 q_intra_matrix16_bias[32][64];
300 UINT16 __align8 q_inter_matrix16_bias[32][64];
de6d9b64 301 int block_last_index[6]; /* last non zero coefficient in block */
2ad1516a 302 /* scantables */
05c4072b 303 ScanTable __align8 intra_scantable;
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304 ScanTable intra_h_scantable;
305 ScanTable intra_v_scantable;
306 ScanTable inter_scantable; // if inter == intra then intra should be used to reduce tha cache usage
307 UINT8 idct_permutation[64];
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308 int idct_permutation_type;
309#define FF_NO_IDCT_PERM 1
310#define FF_LIBMPEG2_IDCT_PERM 2
311#define FF_SIMPLE_IDCT_PERM 3
312#define FF_TRANSPOSE_IDCT_PERM 4
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313
314 void *opaque; /* private data for the user */
315
316 /* bit rate control */
9dbcbd92 317 int I_frame_bits; //FIXME used in mpeg12 ...
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318 int mb_var_sum; /* sum of MB variance for current frame */
319 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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320 INT64 wanted_bits;
321 INT64 total_bits;
8b4c7dbc 322 int frame_bits; /* bits used for the current frame */
3aa102be 323 RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
9cdd6a24 324
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325 /* statistics, used for 2-pass encoding */
326 int mv_bits;
327 int header_bits;
328 int i_tex_bits;
329 int p_tex_bits;
330 int i_count;
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331 int f_count;
332 int b_count;
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333 int skip_count;
334 int misc_bits; // cbp, mb_type
335 int last_bits; //temp var used for calculating the above vars
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336
337 /* error concealment / resync */
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338 UINT8 *error_status_table; /* table of the error status of each MB */
339#define VP_START 1 /* current MB is the first after a resync marker */
340#define AC_ERROR 2
341#define DC_ERROR 4
342#define MV_ERROR 8
343#define AC_END 16
344#define DC_END 32
345#define MV_END 64
346//FIXME some prefix?
347
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348 int resync_mb_x; /* x position of last resync marker */
349 int resync_mb_y; /* y position of last resync marker */
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350 GetBitContext last_resync_gb; /* used to serach for the next resync marker */
351 int mb_num_left; /* number of MBs left in this video packet (for partitioned Slices only)*/
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352 int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
353 int error_resilience;
098eefe1 354
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355 /* H.263 specific */
356 int gob_number;
644d98a4 357 int gob_index;
d140623f 358
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359 /* H.263+ specific */
360 int umvplus;
361 int umvplus_dec;
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362 int h263_aic; /* Advanded INTRA Coding (AIC) */
363 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 364
de6d9b64 365 /* mpeg4 specific */
6f91bcd1 366 int time_increment_resolution;
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367 int time_increment_bits; /* number of bits to represent the fractional part of time */
368 int last_time_base;
369 int time_base; /* time in seconds of last I,P,S Frame */
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370 INT64 time; /* time of current frame */
371 INT64 last_non_b_time;
372 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
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373 UINT16 pb_time; /* time distance between the last b and p,s,i frame */
374 UINT16 pp_field_time;
375 UINT16 pb_field_time; /* like above, just for interlaced */
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376 int shape;
377 int vol_sprite_usage;
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378 int sprite_width;
379 int sprite_height;
380 int sprite_left;
381 int sprite_top;
382 int sprite_brightness_change;
73c8e514 383 int num_sprite_warping_points;
44eb4951 384 int real_sprite_warping_points;
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385 int sprite_offset[2][2]; /* sprite offset[isChroma][isMVY] */
386 int sprite_delta[2][2]; /* sprite_delta [isY][isMVY] */
387 int sprite_shift[2]; /* sprite shift [isChroma] */
73c8e514 388 int mcsel;
1a565432 389 int quant_precision;
9dbcbd92 390 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 391 int scalability;
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392 int hierachy_type;
393 int enhancement_type;
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394 int new_pred;
395 int reduced_res_vop;
396 int aspect_ratio_info;
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397 int aspected_width;
398 int aspected_height;
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399 int sprite_warping_accuracy;
400 int low_latency_sprite;
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401 int data_partitioning; /* data partitioning flag from header */
402 int partitioned_frame; /* is current frame partitioned */
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403 int rvlc; /* reversible vlc */
404 int resync_marker; /* could this stream contain resync markers*/
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405 int low_delay; /* no reordering needed / has no b-frames */
406 int vo_type;
7aaf3b98 407 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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408 PutBitContext tex_pb; /* used for data partitioned VOPs */
409 PutBitContext pb2; /* used for data partitioned VOPs */
410#define PB_BUFFER_SIZE 1024*256
411 uint8_t *tex_pb_buffer;
412 uint8_t *pb2_buffer;
d930ef19 413 int mpeg_quant;
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414#define CO_LOCATED_TYPE_4MV 1
415#define CO_LOCATED_TYPE_FIELDMV 2
416 INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
417 INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
418 INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
419 int t_frame; /* time distance of first I -> B, used for interlaced b frames */
a61f8265 420 int padding_bug_score; /* used to detect the VERY common padding bug in MPEG4 */
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421
422 /* divx specific, used to workaround (many) bugs in divx5 */
423 int divx_version;
424 int divx_build;
eec1c6b9 425#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 426 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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427 int bitstream_buffer_size;
428
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429 int xvid_build;
430
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431 /* lavc specific stuff, used to workaround bugs in libavcodec */
432 int ffmpeg_version;
433 int lavc_build;
434
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435 /* RV10 specific */
436 int rv10_version; /* RV10 version: 0 or 3 */
437 int rv10_first_dc_coded[3];
438
439 /* MJPEG specific */
440 struct MJpegContext *mjpeg_ctx;
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441 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
442 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
443 int mjpeg_write_tables; /* do we want to have quantisation- and
444 huffmantables in the jpeg file ? */
a69b930c 445 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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446
447 /* MSMPEG4 specific */
448 int mv_table_index;
449 int rl_table_index;
450 int rl_chroma_table_index;
451 int dc_table_index;
452 int use_skip_mb_code;
453 int slice_height; /* in macroblocks */
49092244 454 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 455 int flipflop_rounding;
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456 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
457 int per_mb_rl_table;
458 int esc3_level_length;
459 int esc3_run_length;
0151a6f5 460 /* [mb_intra][isChroma][level][run][last] */
6b460aa3 461 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 462 int inter_intra_pred;
0151a6f5 463
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464 /* decompression specific */
465 GetBitContext gb;
466
467 /* MPEG2 specific - I wish I had not to support this mess. */
468 int progressive_sequence;
469 int mpeg_f_code[2][2];
470 int picture_structure;
471/* picture type */
472#define PICT_TOP_FIELD 1
473#define PICT_BOTTOM_FIELD 2
474#define PICT_FRAME 3
475
476 int intra_dc_precision;
477 int frame_pred_frame_dct;
478 int top_field_first;
479 int concealment_motion_vectors;
480 int q_scale_type;
481 int intra_vlc_format;
482 int alternate_scan;
483 int repeat_first_field;
484 int chroma_420_type;
485 int progressive_frame;
486 int mpeg2;
487 int full_pel[2];
488 int interlaced_dct;
489 int last_qscale;
490 int first_slice;
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491
492 /* RTP specific */
81401c1f 493 /* These are explained on avcodec.h */
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494 int rtp_mode;
495 int rtp_payload_size;
81401c1f 496 void (*rtp_callback)(void *data, int size, int packet_number);
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497 UINT8 *ptr_lastgob;
498 UINT8 *ptr_last_mb_line;
499 UINT32 mb_line_avgsize;
500
ba6802de 501 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 502 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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503 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
504#define SLICE_OK 0
505#define SLICE_ERROR -1
506#define SLICE_END -2 //end marker found
507#define SLICE_NOEND -3 //no end marker or error found but mb count exceeded
508
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509 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
510 DCTELEM *block, int n, int qscale);
511 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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512 DCTELEM *block, int n, int qscale);
513 void (*dct_unquantize_h263)(struct MpegEncContext *s,
514 DCTELEM *block, int n, int qscale);
515 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 516 DCTELEM *block, int n, int qscale);
28db7fce 517 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
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518 void (*fdct)(DCTELEM *block/* align 16*/);
519 void (*idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
520 void (*idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
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521} MpegEncContext;
522
4d2858de 523
defdfc9a 524int DCT_common_init(MpegEncContext *s);
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525int MPV_common_init(MpegEncContext *s);
526void MPV_common_end(MpegEncContext *s);
527void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
d6db1c9c 528int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 529void MPV_frame_end(MpegEncContext *s);
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530#ifdef HAVE_MMX
531void MPV_common_init_mmx(MpegEncContext *s);
532#endif
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533#ifdef ARCH_ALPHA
534void MPV_common_init_axp(MpegEncContext *s);
535#endif
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536#ifdef HAVE_MLIB
537void MPV_common_init_mlib(MpegEncContext *s);
538#endif
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539#ifdef HAVE_MMI
540void MPV_common_init_mmi(MpegEncContext *s);
541#endif
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542#ifdef ARCH_POWERPC
543void MPV_common_init_ppc(MpegEncContext *s);
544#endif
c3aea5c4 545extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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546void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
547void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
548void ff_clean_intra_table_entries(MpegEncContext *s);
2ad1516a 549void ff_init_scantable(MpegEncContext *s, ScanTable *st, const UINT8 *src_scantable);
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550void ff_error_resilience(MpegEncContext *s);
551void ff_draw_horiz_band(MpegEncContext *s);
de6d9b64 552
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553extern int ff_bit_exact;
554
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555static inline void ff_init_block_index(MpegEncContext *s){
556 s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
557 s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
558 s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
559 s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
560 s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
561 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;
562}
563
564static inline void ff_update_block_index(MpegEncContext *s){
565 s->block_index[0]+=2;
566 s->block_index[1]+=2;
567 s->block_index[2]+=2;
568 s->block_index[3]+=2;
569 s->block_index[4]++;
570 s->block_index[5]++;
571}
572
573
de6d9b64 574/* motion_est.c */
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575void ff_estimate_p_frame_motion(MpegEncContext * s,
576 int mb_x, int mb_y);
577void ff_estimate_b_frame_motion(MpegEncContext * s,
578 int mb_x, int mb_y);
579int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
580void ff_fix_long_p_mvs(MpegEncContext * s);
581void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
de6d9b64 582
4d2858de 583
de6d9b64 584/* mpeg12.c */
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585extern const INT16 ff_mpeg1_default_intra_matrix[64];
586extern const INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 587extern UINT8 ff_mpeg1_dc_scale_table[128];
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588
589void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
590void mpeg1_encode_mb(MpegEncContext *s,
591 DCTELEM block[6][64],
592 int motion_x, int motion_y);
0151a6f5 593void ff_mpeg1_encode_init(MpegEncContext *s);
de6d9b64 594
4d2858de 595
de6d9b64 596/* h263enc.c */
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597typedef struct RLTable {
598 int n; /* number of entries of table_vlc minus 1 */
599 int last; /* number of values for last = 0 */
600 const UINT16 (*table_vlc)[2];
601 const INT8 *table_run;
602 const INT8 *table_level;
603 UINT8 *index_run[2]; /* encoding only */
604 INT8 *max_level[2]; /* encoding & decoding */
605 INT8 *max_run[2]; /* encoding & decoding */
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606 VLC vlc; /* decoding only deprected FIXME remove*/
607 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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608} RLTable;
609
610void init_rl(RLTable *rl);
611void init_vlc_rl(RLTable *rl);
612
3232bc88 613static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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614{
615 int index;
616 index = rl->index_run[last][run];
617 if (index >= rl->n)
618 return rl->n;
619 if (level > rl->max_level[last][run])
620 return rl->n;
621 return index + level - 1;
622}
623
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624extern UINT8 ff_mpeg4_y_dc_scale_table[32];
625extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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626extern const INT16 ff_mpeg4_default_intra_matrix[64];
627extern const INT16 ff_mpeg4_default_non_intra_matrix[64];
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628void h263_encode_mb(MpegEncContext *s,
629 DCTELEM block[6][64],
630 int motion_x, int motion_y);
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631void mpeg4_encode_mb(MpegEncContext *s,
632 DCTELEM block[6][64],
633 int motion_x, int motion_y);
de6d9b64 634void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 635int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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636INT16 *h263_pred_motion(MpegEncContext * s, int block,
637 int *px, int *py);
638void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
639 int dir);
91029be7 640void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 641void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 642void h263_encode_init(MpegEncContext *s);
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643void h263_decode_init_vlc(MpegEncContext *s);
644int h263_decode_picture_header(MpegEncContext *s);
4d2858de 645int ff_h263_decode_gob_header(MpegEncContext *s);
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646int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
647
648
de6d9b64 649int intel_h263_decode_picture_header(MpegEncContext *s);
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650int ff_h263_decode_mb(MpegEncContext *s,
651 DCTELEM block[6][64]);
de6d9b64 652int h263_get_picture_format(int width, int height);
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653void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
654void ff_mpeg4_clean_buffers(MpegEncContext *s);
655void ff_mpeg4_stuffing(PutBitContext * pbc);
656void ff_mpeg4_init_partitions(MpegEncContext *s);
657void ff_mpeg4_merge_partitions(MpegEncContext *s);
c5d309f2 658void ff_clean_mpeg4_qscales(MpegEncContext *s);
9e4c6948 659void ff_clean_h263_qscales(MpegEncContext *s);
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660int ff_mpeg4_decode_partitions(MpegEncContext *s);
661int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
662int ff_h263_resync(MpegEncContext *s);
663int ff_h263_get_gob_height(MpegEncContext *s);
664
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665
666/* rv10.c */
667void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
668int rv_decode_dc(MpegEncContext *s, int n);
669
4d2858de 670
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671/* msmpeg4.c */
672void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 673void msmpeg4_encode_ext_header(MpegEncContext * s);
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674void msmpeg4_encode_mb(MpegEncContext * s,
675 DCTELEM block[6][64],
676 int motion_x, int motion_y);
de6d9b64 677int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 678int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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679int ff_msmpeg4_decode_init(MpegEncContext *s);
680void ff_msmpeg4_encode_init(MpegEncContext *s);
de6d9b64 681
de6d9b64 682
4d2858de 683/* mjpegenc.c */
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684int mjpeg_init(MpegEncContext *s);
685void mjpeg_close(MpegEncContext *s);
686void mjpeg_encode_mb(MpegEncContext *s,
687 DCTELEM block[6][64]);
688void mjpeg_picture_header(MpegEncContext *s);
689void mjpeg_picture_trailer(MpegEncContext *s);
8b4c7dbc 690
4d2858de 691
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692/* rate control */
693int ff_rate_control_init(MpegEncContext *s);
c5d309f2 694float ff_rate_estimate_qscale(MpegEncContext *s);
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695void ff_write_pass1_stats(MpegEncContext *s);
696void ff_rate_control_uninit(MpegEncContext *s);
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697double ff_eval(char *s, double *const_value, char **const_name,
698 double (**func1)(void *, double), char **func1_name,
699 double (**func2)(void *, double, double), char **func2_name,
700 void *opaque);
701
8b4c7dbc 702
cd4af68a 703#endif /* AVCODEC_MPEGVIDEO_H */