yuy2 output support
[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
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102typedef struct ScanTable{
103 UINT8 permutated[64];
104 UINT8 raster_end[64];
105} ScanTable;
106
de6d9b64 107typedef struct MpegEncContext {
58f26ba9 108 struct AVCodecContext *avctx;
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109 /* the following parameters must be initialized before encoding */
110 int width, height; /* picture size. must be a multiple of 16 */
111 int gop_size;
112 int frame_rate; /* number of frames per second */
113 int intra_only; /* if true, only intra pictures are generated */
114 int bit_rate; /* wanted bit rate */
9cdd6a24 115 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64 116 enum OutputFormat out_format; /* output format */
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117 int h263_pred; /* use mpeg4/h263 ac/dc predictions */
118
119/* the following codec id fields are deprecated in favor of codec_id */
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120 int h263_plus; /* h263 plus headers */
121 int h263_rv10; /* use RV10 variation for H263 */
d7e9533a 122 int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
de6d9b64 123 int h263_intel; /* use I263 intel h263 header */
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124
125 int codec_id; /* see CODEC_ID_xxx */
de6d9b64 126 int fixed_qscale; /* fixed qscale if non zero */
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127 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
128 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
129 int qmin; /* min qscale */
130 int qmax; /* max qscale */
131 int max_qdiff; /* max qscale difference between frames */
3bb4e23a 132 int encoding; /* true if we are encoding (vs decoding) */
ba6802de 133 int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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134 int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
135 int max_b_frames; /* max number of b-frames for encoding */
8b4c7dbc 136 int b_frame_strategy;
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137 int luma_elim_threshold;
138 int chroma_elim_threshold;
139 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
92ba5ffb 140 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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141 /* the following fields are managed internally by the encoder */
142
143 /* bit output */
144 PutBitContext pb;
145
146 /* sequence parameters */
147 int context_initialized;
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148 int input_picture_number;
149 int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
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150 int picture_number;
151 int fake_picture_number; /* picture number at the bitstream frame rate */
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152 int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
153 int picture_in_gop_number; /* 0-> first pic in gop, ... */
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154 int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
155 int mb_width, mb_height; /* number of MBs horizontally & vertically */
b5a093b3 156 int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
e03c341e 157 int mb_num; /* number of MBs of a picture */
de6d9b64 158 int linesize; /* line size, in bytes, may be different from width */
0fd90455 159 int uvlinesize; /* line size, for chroma in bytes, may be different from width */
de6d9b64 160 UINT8 *new_picture[3]; /* picture to be compressed */
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161 UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
162 int picture_buffer_index;
163 ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
164 UINT8 *last_picture[3]; /* previous picture */
de6d9b64 165 UINT8 *last_picture_base[3]; /* real start of the picture */
9dbcbd92 166 UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
de6d9b64 167 UINT8 *next_picture_base[3]; /* real start of the picture */
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168 UINT8 *aux_picture[3]; /* aux picture (for B frames only) */
169 UINT8 *aux_picture_base[3]; /* real start of the picture */
170 UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */
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171 void *last_dr_opaque;
172 void *next_dr_opaque;
0fd90455 173 int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */
1c2a8c7f 174 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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175 int last_dc[3]; /* last DC values for MPEG1 */
176 INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
de6d9b64 177 int y_dc_scale, c_dc_scale;
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178 UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */
179 UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */
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180 UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
181 INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
de6d9b64 182 int ac_pred;
3bb4e23a 183 int mb_skiped; /* MUST BE SET only during DECODING */
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184 UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
185 and used for b-frame encoding & decoding (contains skip table of next P Frame) */
186 UINT8 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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187 UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
188 UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */
189 INT8 *qscale_table; /* used to store qscale for partitioned decoding (& postprocessing FIXME export) */
93a21abd 190 UINT8 *edge_emu_buffer;
de6d9b64 191
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192 int input_qscale; /* qscale prior to reordering of frames */
193 int input_pict_type; /* pict_type prior to reordering of frames */
194 int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
195 int qscale; /* QP */
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196 float frame_qscale; /* qscale from the frame level rc */
197 int adaptive_quant; /* use adaptive quantization */
198 int dquant; /* qscale difference to prev qscale */
9dbcbd92 199 int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
3aa102be 200 int last_pict_type;
8b4c7dbc 201 int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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202 int frame_rate_index;
203 /* motion compensation */
204 int unrestricted_mv;
205 int h263_long_vectors; /* use horrible h263v1 long vector mode */
206
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207 int f_code; /* forward MV resolution */
208 int b_code; /* backward MV resolution for B Frames (mpeg4) */
209 INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
210 INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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211 INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
212 INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
213 INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
214 INT16 (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
215 INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
216 INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
217 INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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218 int me_method; /* ME algorithm */
219 uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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220 uint32_t *me_map; /* map to avoid duplicate evaluations */
221 uint16_t *me_score_map; /* map to store the SADs */
222 int me_map_generation;
223 int skip_me; /* set if ME is skiped for the current MB */
1fb4890b 224 int scene_change_score;
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225 int mv_dir;
226#define MV_DIR_BACKWARD 1
227#define MV_DIR_FORWARD 2
6f91bcd1 228#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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229 int mv_type;
230#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
45870f57 231#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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232#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
233#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
234#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
235 /* motion vectors for a macroblock
236 first coordinate : 0 = forward 1 = backward
237 second " : depend on type
238 third " : 0 = x, 1 = y
239 */
240 int mv[2][4][2];
241 int field_select[2][2];
9dbcbd92 242 int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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243 UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
244 UINT8 *fcode_tab; /* smallest fcode needed for each MV */
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245
246 int has_b_frames;
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247 int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
248 for b-frames rounding mode is allways 0 */
de6d9b64 249
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250 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
251 when set to 2 idct/dequant will be skipped too */
c5d309f2 252
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253 /* macroblock layer */
254 int mb_x, mb_y;
255 int mb_incr;
256 int mb_intra;
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257 UINT16 *mb_var; /* Table for MB variances */
258 UINT16 *mc_mb_var; /* Table for motion compensated MB variances */
c5d309f2 259 UINT8 *mb_mean; /* Table for MB luminance */
7f2fe444 260 UINT8 *mb_type; /* Table for MB type */
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261#define MB_TYPE_INTRA 0x01
262#define MB_TYPE_INTER 0x02
263#define MB_TYPE_INTER4V 0x04
264#define MB_TYPE_SKIPED 0x08
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265#define MB_TYPE_GMC 0x10
266
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267#define MB_TYPE_DIRECT 0x10
268#define MB_TYPE_FORWARD 0x20
9dbcbd92 269#define MB_TYPE_BACKWARD 0x40
ba6802de 270#define MB_TYPE_BIDIR 0x80
4278e7a6 271
9dbcbd92 272 int block_index[6]; /* index to current MB in block based arrays with edges*/
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273 int block_wrap[6];
274
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275 /* matrix transmitted in the bitstream */
276 UINT16 intra_matrix[64];
277 UINT16 chroma_intra_matrix[64];
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278 UINT16 inter_matrix[64];
279 UINT16 chroma_inter_matrix[64];
280#define QUANT_BIAS_SHIFT 4
281 int intra_quant_bias; /* bias for the quantizer */
282 int inter_quant_bias; /* bias for the quantizer */
283 int min_qcoeff; /* minimum encodable coefficient */
284 int max_qcoeff; /* maximum encodable coefficient */
de6d9b64 285 /* precomputed matrix (combine qscale and DCT renorm) */
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286 int q_intra_matrix[32][64];
287 int q_inter_matrix[32][64];
2f349de2 288 /* identical to the above but for MMX & these are not permutated */
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289 UINT16 __align8 q_intra_matrix16[32][64];
290 UINT16 __align8 q_inter_matrix16[32][64];
291 UINT16 __align8 q_intra_matrix16_bias[32][64];
292 UINT16 __align8 q_inter_matrix16_bias[32][64];
de6d9b64 293 int block_last_index[6]; /* last non zero coefficient in block */
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294 /* scantables */
295 ScanTable intra_scantable;
296 ScanTable intra_h_scantable;
297 ScanTable intra_v_scantable;
298 ScanTable inter_scantable; // if inter == intra then intra should be used to reduce tha cache usage
299 UINT8 idct_permutation[64];
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300
301 void *opaque; /* private data for the user */
302
303 /* bit rate control */
9dbcbd92 304 int I_frame_bits; //FIXME used in mpeg12 ...
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305 int mb_var_sum; /* sum of MB variance for current frame */
306 int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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307 INT64 wanted_bits;
308 INT64 total_bits;
8b4c7dbc 309 int frame_bits; /* bits used for the current frame */
3aa102be 310 RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
9cdd6a24 311
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312 /* statistics, used for 2-pass encoding */
313 int mv_bits;
314 int header_bits;
315 int i_tex_bits;
316 int p_tex_bits;
317 int i_count;
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318 int f_count;
319 int b_count;
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320 int skip_count;
321 int misc_bits; // cbp, mb_type
322 int last_bits; //temp var used for calculating the above vars
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323
324 /* error concealment / resync */
325 int resync_mb_x; /* x position of last resync marker */
326 int resync_mb_y; /* y position of last resync marker */
327 int mb_num_left; /* number of MBs left in this video packet */
328 GetBitContext next_resync_gb; /* starts at the next resync marker */
329 int next_resync_qscale; /* qscale of next resync marker */
330 int next_resync_pos; /* bitstream position of next resync marker */
331#define DECODING_AC_LOST -1
332#define DECODING_ACDC_LOST -2
333#define DECODING_DESYNC -3
334 int decoding_error;
335 int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
336 int error_resilience;
098eefe1 337
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338 /* H.263 specific */
339 int gob_number;
644d98a4 340 int gob_index;
d140623f 341
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342 /* H.263+ specific */
343 int umvplus;
344 int umvplus_dec;
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345 int h263_aic; /* Advanded INTRA Coding (AIC) */
346 int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
544286b3 347
de6d9b64 348 /* mpeg4 specific */
6f91bcd1 349 int time_increment_resolution;
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350 int time_increment_bits; /* number of bits to represent the fractional part of time */
351 int last_time_base;
352 int time_base; /* time in seconds of last I,P,S Frame */
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353 INT64 time; /* time of current frame */
354 INT64 last_non_b_time;
355 UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
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356 UINT16 pb_time; /* time distance between the last b and p,s,i frame */
357 UINT16 pp_field_time;
358 UINT16 pb_field_time; /* like above, just for interlaced */
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359 int shape;
360 int vol_sprite_usage;
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361 int sprite_width;
362 int sprite_height;
363 int sprite_left;
364 int sprite_top;
365 int sprite_brightness_change;
73c8e514 366 int num_sprite_warping_points;
44eb4951 367 int real_sprite_warping_points;
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368 int sprite_offset[2][2];
369 int sprite_delta[2][2][2];
370 int sprite_shift[2][2];
371 int mcsel;
1a565432 372 int quant_precision;
9dbcbd92 373 int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
cc9ba006 374 int scalability;
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375 int hierachy_type;
376 int enhancement_type;
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377 int new_pred;
378 int reduced_res_vop;
379 int aspect_ratio_info;
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380 int aspected_width;
381 int aspected_height;
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382 int sprite_warping_accuracy;
383 int low_latency_sprite;
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384 int data_partitioning;
385 int rvlc; /* reversible vlc */
386 int resync_marker; /* could this stream contain resync markers*/
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387 int low_delay; /* no reordering needed / has no b-frames */
388 int vo_type;
7aaf3b98 389 int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
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390 PutBitContext tex_pb; /* used for data partitioned VOPs */
391 PutBitContext pb2; /* used for data partitioned VOPs */
392#define PB_BUFFER_SIZE 1024*256
393 uint8_t *tex_pb_buffer;
394 uint8_t *pb2_buffer;
d930ef19 395 int mpeg_quant;
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396#define CO_LOCATED_TYPE_4MV 1
397#define CO_LOCATED_TYPE_FIELDMV 2
398 INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
399 INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
400 INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
401 int t_frame; /* time distance of first I -> B, used for interlaced b frames */
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402
403 /* divx specific, used to workaround (many) bugs in divx5 */
404 int divx_version;
405 int divx_build;
eec1c6b9 406#define BITSTREAM_BUFFER_SIZE 1024*256
ff4ec49e 407 UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
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408 int bitstream_buffer_size;
409
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410 /* RV10 specific */
411 int rv10_version; /* RV10 version: 0 or 3 */
412 int rv10_first_dc_coded[3];
413
414 /* MJPEG specific */
415 struct MJpegContext *mjpeg_ctx;
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416 int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
417 int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
418 int mjpeg_write_tables; /* do we want to have quantisation- and
419 huffmantables in the jpeg file ? */
a69b930c 420 int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
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421
422 /* MSMPEG4 specific */
423 int mv_table_index;
424 int rl_table_index;
425 int rl_chroma_table_index;
426 int dc_table_index;
427 int use_skip_mb_code;
428 int slice_height; /* in macroblocks */
49092244 429 int first_slice_line; /* used in mpeg4 too to handle resync markers */
ae40484c 430 int flipflop_rounding;
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431 int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
432 int per_mb_rl_table;
433 int esc3_level_length;
434 int esc3_run_length;
0151a6f5 435 /* [mb_intra][isChroma][level][run][last] */
6b460aa3 436 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
de0f2f4c 437 int inter_intra_pred;
0151a6f5 438
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439 /* decompression specific */
440 GetBitContext gb;
441
442 /* MPEG2 specific - I wish I had not to support this mess. */
443 int progressive_sequence;
444 int mpeg_f_code[2][2];
445 int picture_structure;
446/* picture type */
447#define PICT_TOP_FIELD 1
448#define PICT_BOTTOM_FIELD 2
449#define PICT_FRAME 3
450
451 int intra_dc_precision;
452 int frame_pred_frame_dct;
453 int top_field_first;
454 int concealment_motion_vectors;
455 int q_scale_type;
456 int intra_vlc_format;
457 int alternate_scan;
458 int repeat_first_field;
459 int chroma_420_type;
460 int progressive_frame;
461 int mpeg2;
462 int full_pel[2];
463 int interlaced_dct;
464 int last_qscale;
465 int first_slice;
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466
467 /* RTP specific */
81401c1f 468 /* These are explained on avcodec.h */
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469 int rtp_mode;
470 int rtp_payload_size;
81401c1f 471 void (*rtp_callback)(void *data, int size, int packet_number);
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472 UINT8 *ptr_lastgob;
473 UINT8 *ptr_last_mb_line;
474 UINT32 mb_line_avgsize;
475
ba6802de 476 DCTELEM (*block)[64]; /* points to one of the following blocks */
91029be7 477 DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
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478 void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
479 DCTELEM *block, int n, int qscale);
480 void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
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481 DCTELEM *block, int n, int qscale);
482 void (*dct_unquantize_h263)(struct MpegEncContext *s,
483 DCTELEM *block, int n, int qscale);
484 void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
21af69f7 485 DCTELEM *block, int n, int qscale);
28db7fce 486 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
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487 void (*fdct)(DCTELEM *block/* align 16*/);
488 void (*idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
489 void (*idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
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490} MpegEncContext;
491
defdfc9a 492int DCT_common_init(MpegEncContext *s);
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493int MPV_common_init(MpegEncContext *s);
494void MPV_common_end(MpegEncContext *s);
495void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
93a21abd 496void MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
de6d9b64 497void MPV_frame_end(MpegEncContext *s);
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498#ifdef HAVE_MMX
499void MPV_common_init_mmx(MpegEncContext *s);
500#endif
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501#ifdef ARCH_ALPHA
502void MPV_common_init_axp(MpegEncContext *s);
503#endif
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504#ifdef HAVE_MLIB
505void MPV_common_init_mlib(MpegEncContext *s);
506#endif
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507#ifdef HAVE_MMI
508void MPV_common_init_mmi(MpegEncContext *s);
509#endif
c3aea5c4 510extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w);
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511void ff_conceal_past_errors(MpegEncContext *s, int conceal_all);
512void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length);
513void ff_clean_intra_table_entries(MpegEncContext *s);
2ad1516a 514void ff_init_scantable(MpegEncContext *s, ScanTable *st, const UINT8 *src_scantable);
de6d9b64 515
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516extern int ff_bit_exact;
517
de6d9b64 518/* motion_est.c */
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519void ff_estimate_p_frame_motion(MpegEncContext * s,
520 int mb_x, int mb_y);
521void ff_estimate_b_frame_motion(MpegEncContext * s,
522 int mb_x, int mb_y);
523int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
524void ff_fix_long_p_mvs(MpegEncContext * s);
525void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type);
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526
527/* mpeg12.c */
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528extern const INT16 ff_mpeg1_default_intra_matrix[64];
529extern const INT16 ff_mpeg1_default_non_intra_matrix[64];
0151a6f5 530extern UINT8 ff_mpeg1_dc_scale_table[128];
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531
532void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
533void mpeg1_encode_mb(MpegEncContext *s,
534 DCTELEM block[6][64],
535 int motion_x, int motion_y);
0151a6f5 536void ff_mpeg1_encode_init(MpegEncContext *s);
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537
538/* h263enc.c */
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539typedef struct RLTable {
540 int n; /* number of entries of table_vlc minus 1 */
541 int last; /* number of values for last = 0 */
542 const UINT16 (*table_vlc)[2];
543 const INT8 *table_run;
544 const INT8 *table_level;
545 UINT8 *index_run[2]; /* encoding only */
546 INT8 *max_level[2]; /* encoding & decoding */
547 INT8 *max_run[2]; /* encoding & decoding */
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548 VLC vlc; /* decoding only deprected FIXME remove*/
549 RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
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550} RLTable;
551
552void init_rl(RLTable *rl);
553void init_vlc_rl(RLTable *rl);
554
3232bc88 555static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
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556{
557 int index;
558 index = rl->index_run[last][run];
559 if (index >= rl->n)
560 return rl->n;
561 if (level > rl->max_level[last][run])
562 return rl->n;
563 return index + level - 1;
564}
565
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566extern UINT8 ff_mpeg4_y_dc_scale_table[32];
567extern UINT8 ff_mpeg4_c_dc_scale_table[32];
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568extern const INT16 ff_mpeg4_default_intra_matrix[64];
569extern const INT16 ff_mpeg4_default_non_intra_matrix[64];
87f8cab4 570
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571void h263_encode_mb(MpegEncContext *s,
572 DCTELEM block[6][64],
573 int motion_x, int motion_y);
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574void mpeg4_encode_mb(MpegEncContext *s,
575 DCTELEM block[6][64],
576 int motion_x, int motion_y);
de6d9b64 577void h263_encode_picture_header(MpegEncContext *s, int picture_number);
644d98a4 578int h263_encode_gob_header(MpegEncContext * s, int mb_line);
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579INT16 *h263_pred_motion(MpegEncContext * s, int block,
580 int *px, int *py);
581void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
582 int dir);
91029be7 583void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
de6d9b64 584void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
45870f57 585void h263_encode_init(MpegEncContext *s);
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586
587void h263_decode_init_vlc(MpegEncContext *s);
588int h263_decode_picture_header(MpegEncContext *s);
644d98a4 589int h263_decode_gob_header(MpegEncContext *s);
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590int mpeg4_decode_picture_header(MpegEncContext * s);
591int intel_h263_decode_picture_header(MpegEncContext *s);
592int h263_decode_mb(MpegEncContext *s,
593 DCTELEM block[6][64]);
594int h263_get_picture_format(int width, int height);
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595int ff_mpeg4_decode_video_packet_header(MpegEncContext *s);
596int ff_mpeg4_resync(MpegEncContext *s);
597void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
598void ff_mpeg4_clean_buffers(MpegEncContext *s);
599void ff_mpeg4_stuffing(PutBitContext * pbc);
600void ff_mpeg4_init_partitions(MpegEncContext *s);
601void ff_mpeg4_merge_partitions(MpegEncContext *s);
0151a6f5 602extern inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, UINT16 **dc_val_ptr, int *dir_ptr);
c5d309f2 603void ff_clean_mpeg4_qscales(MpegEncContext *s);
9e4c6948 604void ff_clean_h263_qscales(MpegEncContext *s);
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605
606/* rv10.c */
607void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
608int rv_decode_dc(MpegEncContext *s, int n);
609
610/* msmpeg4.c */
611void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
ae40484c 612void msmpeg4_encode_ext_header(MpegEncContext * s);
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613void msmpeg4_encode_mb(MpegEncContext * s,
614 DCTELEM block[6][64],
615 int motion_x, int motion_y);
de6d9b64 616int msmpeg4_decode_picture_header(MpegEncContext * s);
ae40484c 617int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
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618int msmpeg4_decode_mb(MpegEncContext *s,
619 DCTELEM block[6][64]);
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620int ff_msmpeg4_decode_init(MpegEncContext *s);
621void ff_msmpeg4_encode_init(MpegEncContext *s);
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622
623/* mjpegenc.c */
624
625int mjpeg_init(MpegEncContext *s);
626void mjpeg_close(MpegEncContext *s);
627void mjpeg_encode_mb(MpegEncContext *s,
628 DCTELEM block[6][64]);
629void mjpeg_picture_header(MpegEncContext *s);
630void mjpeg_picture_trailer(MpegEncContext *s);
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631
632/* rate control */
633int ff_rate_control_init(MpegEncContext *s);
c5d309f2 634float ff_rate_estimate_qscale(MpegEncContext *s);
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635void ff_write_pass1_stats(MpegEncContext *s);
636void ff_rate_control_uninit(MpegEncContext *s);
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637double ff_eval(char *s, double *const_value, char **const_name,
638 double (**func1)(void *, double), char **func1_name,
639 double (**func2)(void *, double, double), char **func2_name,
640 void *opaque);
641
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cd4af68a 643#endif /* AVCODEC_MPEGVIDEO_H */