Add Alpha assembly for pix_abs16x16. Optimized for pca56, no large win
[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 */
79 double pass1_bits; /* bits outputted by the pass1 code (including complexity init) */
80 double pass1_wanted_bits; /* bits which should have been outputed by the pass1 code (including complexity init) */
81 double last_qscale;
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
de6d9b64 102typedef struct MpegEncContext {
58f26ba9 103 struct AVCodecContext *avctx;
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104 /* the following parameters must be initialized before encoding */
105 int width, height; /* picture size. must be a multiple of 16 */
106 int gop_size;
107 int frame_rate; /* number of frames per second */
108 int intra_only; /* if true, only intra pictures are generated */
109 int bit_rate; /* wanted bit rate */
9cdd6a24 110 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 111 enum OutputFormat out_format; /* output format */
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112 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
113
114/* the following codec id fields are deprecated in favor of codec_id */
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115 int h263_plus; /* h263 plus headers */
116 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 117 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 118 int h263_intel; /* use I263 intel h263 header */
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119
120 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 121 int fixed_qscale; /* fixed qscale if non zero */
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122 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
123 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
124 int qmin; /* min qscale */
125 int qmax; /* max qscale */
126 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 127 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 128 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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129 int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
130 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 131 int b_frame_strategy;
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132 int luma_elim_threshold;
133 int chroma_elim_threshold;
134 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 135 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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136 /* the following fields are managed internally by the encoder */
137
138 /* bit output */
139 PutBitContext pb;
140
141 /* sequence parameters */
142 int context_initialized;
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143 int input_picture_number;
144 int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
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145 int picture_number;
146 int fake_picture_number; /* picture number at the bitstream frame rate */
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147 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
148 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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149 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
150 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 151 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 152 int mb_num; /* number of MBs of a picture */
de6d9b64 153 int linesize; /* line size, in bytes, may be different from width */
0fd90455 154 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
de6d9b64 155 UINT8 *new_picture[3]; /* picture to be compressed */
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156 UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
157 int picture_buffer_index;
158 ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
159 UINT8 *last_picture[3]; /* previous picture */
de6d9b64 160 UINT8 *last_picture_base[3]; /* real start of the picture */
9dbcbd92 161 UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
de6d9b64 162 UINT8 *next_picture_base[3]; /* real start of the picture */
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163 UINT8 *aux_picture[3]; /* aux picture (for B frames only) */
164 UINT8 *aux_picture_base[3]; /* real start of the picture */
165 UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */
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166 void *last_dr_opaque;
167 void *next_dr_opaque;
0fd90455 168 int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */
1c2a8c7f 169 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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170 int last_dc[3]; /* last DC values for MPEG1 */
171 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 172 int y_dc_scale, c_dc_scale;
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173 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
174 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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175 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
176 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 177 int ac_pred;
3bb4e23a 178 int mb_skiped; /* MUST BE SET only during DECODING */
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179 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
180 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
181 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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182 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
183 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
184 INT8 *qscale_table; /* used to store qscale for partitioned decoding (& postprocessing FIXME export) */
93a21abd 185 UINT8 *edge_emu_buffer;
de6d9b64 186
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187 int input_qscale; /* qscale prior to reordering of frames */
188 int input_pict_type; /* pict_type prior to reordering of frames */
189 int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
190 int qscale; /* QP */
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191 float frame_qscale; /* qscale from the frame level rc */
192 int adaptive_quant; /* use adaptive quantization */
193 int dquant; /* qscale difference to prev qscale */
9dbcbd92 194 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 195 int last_pict_type;
8b4c7dbc 196 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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197 int frame_rate_index;
198 /* motion compensation */
199 int unrestricted_mv;
200 int h263_long_vectors; /* use horrible h263v1 long vector mode */
201
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202 int f_code; /* forward MV resolution */
203 int b_code; /* backward MV resolution for B Frames (mpeg4) */
204 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
205 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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206 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
207 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
208 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
209 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
210 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
211 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
212 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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213 int me_method; /* ME algorithm */
214 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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215 uint32_t *me_map; /* map to avoid duplicate evaluations */
216 uint16_t *me_score_map; /* map to store the SADs */
217 int me_map_generation;
218 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 219 int scene_change_score;
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220 int mv_dir;
221#define MV_DIR_BACKWARD 1
222#define MV_DIR_FORWARD 2
6f91bcd1 223#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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224 int mv_type;
225#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 226#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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227#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
228#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
229#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
230 /* motion vectors for a macroblock
231 first coordinate : 0 = forward 1 = backward
232 second " : depend on type
233 third " : 0 = x, 1 = y
234 */
235 int mv[2][4][2];
236 int field_select[2][2];
9dbcbd92 237 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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238 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
239 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
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240
241 int has_b_frames;
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242 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
243 for b-frames rounding mode is allways 0 */
de6d9b64 244
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245 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
246 when set to 2 idct/dequant will be skipped too */
c5d309f2 247
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248 /* macroblock layer */
249 int mb_x, mb_y;
250 int mb_incr;
251 int mb_intra;
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252 UINT16 *mb_var; /* Table for MB variances */
253 UINT16 *mc_mb_var; /* Table for motion compensated MB variances */
c5d309f2 254 UINT8 *mb_mean; /* Table for MB luminance */
7f2fe444 255 UINT8 *mb_type; /* Table for MB type */
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256#define MB_TYPE_INTRA 0x01
257#define MB_TYPE_INTER 0x02
258#define MB_TYPE_INTER4V 0x04
259#define MB_TYPE_SKIPED 0x08
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260#define MB_TYPE_GMC 0x10
261
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262#define MB_TYPE_DIRECT 0x10
263#define MB_TYPE_FORWARD 0x20
9dbcbd92 264#define MB_TYPE_BACKWARD 0x40
ba6802de 265#define MB_TYPE_BIDIR 0x80
4278e7a6 266
9dbcbd92 267 int block_index[6]; /* index to current MB in block based arrays with edges*/
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268 int block_wrap[6];
269
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270 /* matrix transmitted in the bitstream */
271 UINT16 intra_matrix[64];
272 UINT16 chroma_intra_matrix[64];
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273 UINT16 inter_matrix[64];
274 UINT16 chroma_inter_matrix[64];
275#define QUANT_BIAS_SHIFT 4
276 int intra_quant_bias; /* bias for the quantizer */
277 int inter_quant_bias; /* bias for the quantizer */
278 int min_qcoeff; /* minimum encodable coefficient */
279 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 280 /* precomputed matrix (combine qscale and DCT renorm) */
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281 int q_intra_matrix[32][64];
282 int q_inter_matrix[32][64];
2f349de2 283 /* identical to the above but for MMX & these are not permutated */
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284 UINT16 __align8 q_intra_matrix16[32][64];
285 UINT16 __align8 q_inter_matrix16[32][64];
286 UINT16 __align8 q_intra_matrix16_bias[32][64];
287 UINT16 __align8 q_inter_matrix16_bias[32][64];
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288 int block_last_index[6]; /* last non zero coefficient in block */
289
290 void *opaque; /* private data for the user */
291
292 /* bit rate control */
9dbcbd92 293 int I_frame_bits; //FIXME used in mpeg12 ...
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294 int mb_var_sum; /* sum of MB variance for current frame */
295 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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296 INT64 wanted_bits;
297 INT64 total_bits;
8b4c7dbc 298 int frame_bits; /* bits used for the current frame */
3aa102be 299 RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
9cdd6a24 300
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301 /* statistics, used for 2-pass encoding */
302 int mv_bits;
303 int header_bits;
304 int i_tex_bits;
305 int p_tex_bits;
306 int i_count;
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307 int f_count;
308 int b_count;
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309 int skip_count;
310 int misc_bits; // cbp, mb_type
311 int last_bits; //temp var used for calculating the above vars
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312
313 /* error concealment / resync */
314 int resync_mb_x; /* x position of last resync marker */
315 int resync_mb_y; /* y position of last resync marker */
316 int mb_num_left; /* number of MBs left in this video packet */
317 GetBitContext next_resync_gb; /* starts at the next resync marker */
318 int next_resync_qscale; /* qscale of next resync marker */
319 int next_resync_pos; /* bitstream position of next resync marker */
320#define DECODING_AC_LOST -1
321#define DECODING_ACDC_LOST -2
322#define DECODING_DESYNC -3
323 int decoding_error;
324 int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
325 int error_resilience;
098eefe1 326
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327 /* H.263 specific */
328 int gob_number;
644d98a4 329 int gob_index;
d140623f 330
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331 /* H.263+ specific */
332 int umvplus;
333 int umvplus_dec;
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334 int h263_aic; /* Advanded INTRA Coding (AIC) */
335 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 336
de6d9b64 337 /* mpeg4 specific */
6f91bcd1 338 int time_increment_resolution;
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339 int time_increment_bits; /* number of bits to represent the fractional part of time */
340 int last_time_base;
341 int time_base; /* time in seconds of last I,P,S Frame */
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342 INT64 time; /* time of current frame */
343 INT64 last_non_b_time;
344 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
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345 UINT16 pb_time; /* time distance between the last b and p,s,i frame */
346 UINT16 pp_field_time;
347 UINT16 pb_field_time; /* like above, just for interlaced */
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348 int shape;
349 int vol_sprite_usage;
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350 int sprite_width;
351 int sprite_height;
352 int sprite_left;
353 int sprite_top;
354 int sprite_brightness_change;
73c8e514 355 int num_sprite_warping_points;
44eb4951 356 int real_sprite_warping_points;
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357 int sprite_offset[2][2];
358 int sprite_delta[2][2][2];
359 int sprite_shift[2][2];
360 int mcsel;
1a565432 361 int quant_precision;
9dbcbd92 362 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 363 int scalability;
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364 int hierachy_type;
365 int enhancement_type;
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366 int new_pred;
367 int reduced_res_vop;
368 int aspect_ratio_info;
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369 int aspected_width;
370 int aspected_height;
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371 int sprite_warping_accuracy;
372 int low_latency_sprite;
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373 int data_partitioning;
374 int rvlc; /* reversible vlc */
375 int resync_marker; /* could this stream contain resync markers*/
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376 int low_delay; /* no reordering needed / has no b-frames */
377 int vo_type;
7aaf3b98 378 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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379 PutBitContext tex_pb; /* used for data partitioned VOPs */
380 PutBitContext pb2; /* used for data partitioned VOPs */
381#define PB_BUFFER_SIZE 1024*256
382 uint8_t *tex_pb_buffer;
383 uint8_t *pb2_buffer;
d930ef19 384 int mpeg_quant;
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385#define CO_LOCATED_TYPE_4MV 1
386#define CO_LOCATED_TYPE_FIELDMV 2
387 INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
388 INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
389 INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
390 int t_frame; /* time distance of first I -> B, used for interlaced b frames */
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391
392 /* divx specific, used to workaround (many) bugs in divx5 */
393 int divx_version;
394 int divx_build;
eec1c6b9 395#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 396 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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397 int bitstream_buffer_size;
398
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399 /* RV10 specific */
400 int rv10_version; /* RV10 version: 0 or 3 */
401 int rv10_first_dc_coded[3];
402
403 /* MJPEG specific */
404 struct MJpegContext *mjpeg_ctx;
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405 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
406 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
407 int mjpeg_write_tables; /* do we want to have quantisation- and
408 huffmantables in the jpeg file ? */
a69b930c 409 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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410
411 /* MSMPEG4 specific */
412 int mv_table_index;
413 int rl_table_index;
414 int rl_chroma_table_index;
415 int dc_table_index;
416 int use_skip_mb_code;
417 int slice_height; /* in macroblocks */
49092244 418 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 419 int flipflop_rounding;
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420 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
421 int per_mb_rl_table;
422 int esc3_level_length;
423 int esc3_run_length;
424 UINT8 *inter_scantable;
425 UINT8 *intra_scantable;
426 UINT8 *intra_v_scantable;
427 UINT8 *intra_h_scantable;
428 /* [mb_intra][isChroma][level][run][last] */
6b460aa3 429 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 430 int inter_intra_pred;
0151a6f5 431
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432 /* decompression specific */
433 GetBitContext gb;
434
435 /* MPEG2 specific - I wish I had not to support this mess. */
436 int progressive_sequence;
437 int mpeg_f_code[2][2];
438 int picture_structure;
439/* picture type */
440#define PICT_TOP_FIELD 1
441#define PICT_BOTTOM_FIELD 2
442#define PICT_FRAME 3
443
444 int intra_dc_precision;
445 int frame_pred_frame_dct;
446 int top_field_first;
447 int concealment_motion_vectors;
448 int q_scale_type;
449 int intra_vlc_format;
450 int alternate_scan;
451 int repeat_first_field;
452 int chroma_420_type;
453 int progressive_frame;
454 int mpeg2;
455 int full_pel[2];
456 int interlaced_dct;
457 int last_qscale;
458 int first_slice;
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459
460 /* RTP specific */
81401c1f 461 /* These are explained on avcodec.h */
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462 int rtp_mode;
463 int rtp_payload_size;
81401c1f 464 void (*rtp_callback)(void *data, int size, int packet_number);
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465 UINT8 *ptr_lastgob;
466 UINT8 *ptr_last_mb_line;
467 UINT32 mb_line_avgsize;
468
ba6802de 469 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 470 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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471 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
472 DCTELEM *block, int n, int qscale);
473 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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474 DCTELEM *block, int n, int qscale);
475 void (*dct_unquantize_h263)(struct MpegEncContext *s,
476 DCTELEM *block, int n, int qscale);
477 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 478 DCTELEM *block, int n, int qscale);
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479 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
480 void (*fdct)(DCTELEM *block);
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481} MpegEncContext;
482
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483int MPV_common_init(MpegEncContext *s);
484void MPV_common_end(MpegEncContext *s);
485void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
93a21abd 486void MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 487void MPV_frame_end(MpegEncContext *s);
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488#ifdef HAVE_MMX
489void MPV_common_init_mmx(MpegEncContext *s);
490#endif
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491#ifdef ARCH_ALPHA
492void MPV_common_init_axp(MpegEncContext *s);
493#endif
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494#ifdef HAVE_MLIB
495void MPV_common_init_mlib(MpegEncContext *s);
496#endif
c3aea5c4 497extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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498void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
499void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
500void ff_clean_intra_table_entries(MpegEncContext *s);
de6d9b64 501
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502extern int ff_bit_exact;
503
de6d9b64 504/* motion_est.c */
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505void ff_estimate_p_frame_motion(MpegEncContext * s,
506 int mb_x, int mb_y);
507void ff_estimate_b_frame_motion(MpegEncContext * s,
508 int mb_x, int mb_y);
509int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
510void ff_fix_long_p_mvs(MpegEncContext * s);
511void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
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512
513/* mpeg12.c */
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514extern INT16 ff_mpeg1_default_intra_matrix[64];
515extern INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 516extern UINT8 ff_mpeg1_dc_scale_table[128];
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517
518void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
519void mpeg1_encode_mb(MpegEncContext *s,
520 DCTELEM block[6][64],
521 int motion_x, int motion_y);
0151a6f5 522void ff_mpeg1_encode_init(MpegEncContext *s);
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523
524/* h263enc.c */
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525typedef struct RLTable {
526 int n; /* number of entries of table_vlc minus 1 */
527 int last; /* number of values for last = 0 */
528 const UINT16 (*table_vlc)[2];
529 const INT8 *table_run;
530 const INT8 *table_level;
531 UINT8 *index_run[2]; /* encoding only */
532 INT8 *max_level[2]; /* encoding & decoding */
533 INT8 *max_run[2]; /* encoding & decoding */
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534 VLC vlc; /* decoding only deprected FIXME remove*/
535 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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536} RLTable;
537
538void init_rl(RLTable *rl);
539void init_vlc_rl(RLTable *rl);
540
3232bc88 541static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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542{
543 int index;
544 index = rl->index_run[last][run];
545 if (index >= rl->n)
546 return rl->n;
547 if (level > rl->max_level[last][run])
548 return rl->n;
549 return index + level - 1;
550}
551
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552extern UINT8 ff_mpeg4_y_dc_scale_table[32];
553extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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554extern INT16 ff_mpeg4_default_intra_matrix[64];
555extern INT16 ff_mpeg4_default_non_intra_matrix[64];
556
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557void h263_encode_mb(MpegEncContext *s,
558 DCTELEM block[6][64],
559 int motion_x, int motion_y);
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560void mpeg4_encode_mb(MpegEncContext *s,
561 DCTELEM block[6][64],
562 int motion_x, int motion_y);
de6d9b64 563void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 564int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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565INT16 *h263_pred_motion(MpegEncContext * s, int block,
566 int *px, int *py);
567void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
568 int dir);
91029be7 569void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 570void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 571void h263_encode_init(MpegEncContext *s);
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572
573void h263_decode_init_vlc(MpegEncContext *s);
574int h263_decode_picture_header(MpegEncContext *s);
644d98a4 575int h263_decode_gob_header(MpegEncContext *s);
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576int mpeg4_decode_picture_header(MpegEncContext * s);
577int intel_h263_decode_picture_header(MpegEncContext *s);
578int h263_decode_mb(MpegEncContext *s,
579 DCTELEM block[6][64]);
580int h263_get_picture_format(int width, int height);
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581int ff_mpeg4_decode_video_packet_header(MpegEncContext *s);
582int ff_mpeg4_resync(MpegEncContext *s);
583void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
584void ff_mpeg4_clean_buffers(MpegEncContext *s);
585void ff_mpeg4_stuffing(PutBitContext * pbc);
586void ff_mpeg4_init_partitions(MpegEncContext *s);
587void ff_mpeg4_merge_partitions(MpegEncContext *s);
0151a6f5 588extern inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, UINT16 **dc_val_ptr, int *dir_ptr);
c5d309f2 589void ff_clean_mpeg4_qscales(MpegEncContext *s);
9e4c6948 590void ff_clean_h263_qscales(MpegEncContext *s);
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591
592/* rv10.c */
593void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
594int rv_decode_dc(MpegEncContext *s, int n);
595
596/* msmpeg4.c */
597void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 598void msmpeg4_encode_ext_header(MpegEncContext * s);
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599void msmpeg4_encode_mb(MpegEncContext * s,
600 DCTELEM block[6][64],
601 int motion_x, int motion_y);
de6d9b64 602int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 603int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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604int msmpeg4_decode_mb(MpegEncContext *s,
605 DCTELEM block[6][64]);
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606int ff_msmpeg4_decode_init(MpegEncContext *s);
607void ff_msmpeg4_encode_init(MpegEncContext *s);
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608
609/* mjpegenc.c */
610
611int mjpeg_init(MpegEncContext *s);
612void mjpeg_close(MpegEncContext *s);
613void mjpeg_encode_mb(MpegEncContext *s,
614 DCTELEM block[6][64]);
615void mjpeg_picture_header(MpegEncContext *s);
616void mjpeg_picture_trailer(MpegEncContext *s);
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617
618/* rate control */
619int ff_rate_control_init(MpegEncContext *s);
c5d309f2 620float ff_rate_estimate_qscale(MpegEncContext *s);
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621void ff_write_pass1_stats(MpegEncContext *s);
622void ff_rate_control_uninit(MpegEncContext *s);
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623double ff_eval(char *s, double *const_value, char **const_name,
624 double (**func1)(void *, double), char **func1_name,
625 double (**func2)(void *, double, double), char **func2_name,
626 void *opaque);
627
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cd4af68a 629#endif /* AVCODEC_MPEGVIDEO_H */