mpegvideo.h
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1 /*
2  * Generic DCT based hybrid video encoder
3  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
28 #ifndef AVCODEC_MPEGVIDEO_H
29 #define AVCODEC_MPEGVIDEO_H
30 
31 #include "avcodec.h"
32 #include "dsputil.h"
33 #include "get_bits.h"
34 #include "put_bits.h"
35 #include "ratecontrol.h"
36 #include "parser.h"
37 #include "mpeg12data.h"
38 #include "rl.h"
39 
40 #define FRAME_SKIPPED 100
41 
48 };
49 
50 #define MPEG_BUF_SIZE (16 * 1024)
51 
52 #define QMAT_SHIFT_MMX 16
53 #define QMAT_SHIFT 22
54 
55 #define MAX_FCODE 7
56 #define MAX_MV 2048
57 
58 #define MAX_THREADS 16
59 
60 #define MAX_PICTURE_COUNT 32
61 
62 #define ME_MAP_SIZE 64
63 #define ME_MAP_SHIFT 3
64 #define ME_MAP_MV_BITS 11
65 
66 #define MAX_MB_BYTES (30*16*16*3/8 + 120)
67 
68 #define INPLACE_OFFSET 16
69 
70 /* Start codes. */
71 #define SEQ_END_CODE 0x000001b7
72 #define SEQ_START_CODE 0x000001b3
73 #define GOP_START_CODE 0x000001b8
74 #define PICTURE_START_CODE 0x00000100
75 #define SLICE_MIN_START_CODE 0x00000101
76 #define SLICE_MAX_START_CODE 0x000001af
77 #define EXT_START_CODE 0x000001b5
78 #define USER_START_CODE 0x000001b2
79 
80 struct MpegEncContext;
81 
85 typedef struct Picture{
86  struct AVFrame f;
87 
91  uint8_t *interpolated[3];
93  int16_t (*motion_val_base[2])[2];
94  uint32_t *mb_type_base;
95 #define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
96 #define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
97 #define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
98 #define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
99 #define IS_INTRA(a) ((a)&7)
100 #define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
101 #define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
102 #define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
103 #define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
104 #define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
105 #define IS_GMC(a) ((a)&MB_TYPE_GMC)
106 #define IS_16X16(a) ((a)&MB_TYPE_16x16)
107 #define IS_16X8(a) ((a)&MB_TYPE_16x8)
108 #define IS_8X16(a) ((a)&MB_TYPE_8x16)
109 #define IS_8X8(a) ((a)&MB_TYPE_8x8)
110 #define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
111 #define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
112 #define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
113 #define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
114 #define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
115 #define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
116 #define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
117 #define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list))))
118 #define HAS_CBP(a) ((a)&MB_TYPE_CBP)
119 
120  int field_poc[2];
121  int poc;
122  int frame_num;
124  int pic_id;
126  int long_ref;
127  int ref_poc[2][2][32];
128  int ref_count[2][2];
129  int mbaff;
131 
134  uint16_t *mb_var;
135  uint16_t *mc_mb_var;
136  uint8_t *mb_mean;
137  int32_t *mb_cmp_score;
138  int b_frame_score; /* */
140 } Picture;
141 
145 typedef struct MotionEstContext{
147  int skip;
148  int co_located_mv[4][2];
149  int direct_basis_mv[4][2];
150  uint8_t *scratchpad;
151  uint8_t *best_mb;
152  uint8_t *temp_mb[2];
153  uint8_t *temp;
155  uint32_t *map;
156  uint32_t *score_map;
157  unsigned map_generation;
166  int flags;
168  int mb_flags;
169  int pre_pass;
170  int dia_size;
171  int xmin;
172  int xmax;
173  int ymin;
174  int ymax;
175  int pred_x;
176  int pred_y;
177  uint8_t *src[4][4];
178  uint8_t *ref[4][4];
179  int stride;
180  int uvstride;
181  /* temp variables for picture complexity calculation */
185 /* cmp, chroma_cmp;*/
190  uint8_t (*mv_penalty)[MAX_MV*2+1];
193  int *mx_ptr, int *my_ptr, int dmin,
194  int src_index, int ref_index,
195  int size, int h);
197 
201 typedef struct MpegEncContext {
202  AVClass *class;
204  /* the following parameters must be initialized before encoding */
205  int width, height;
206  int gop_size;
208  int bit_rate;
210  int h263_pred;
211  int pb_frame;
212 
213 /* the following codec id fields are deprecated in favor of codec_id */
214  int h263_plus;
215  int h263_flv;
216 
217  enum CodecID codec_id; /* see CODEC_ID_xxx */
219  int encoding;
220  int flags;
221  int flags2;
227  int codec_tag;
229  /* the following fields are managed internally by the encoder */
230 
231  /* sequence parameters */
235  int picture_number; //FIXME remove, unclear definition
238  int mb_stride;
239  int b8_stride;
240  int b4_stride;
242  int mb_num;
243  int linesize;
248 
250  int ac_pred;
252  int h263_aic;
253 
254  /* scantables */
259 
260  /* WARNING: changes above this line require updates to hardcoded
261  * offsets used in asm. */
262 
264 
267 
269  int end_mb_y;
272 
278 
284 
290 
296 
302  uint8_t *visualization_buffer[3];
303  int last_dc[3];
304  int16_t *dc_val_base;
305  int16_t *dc_val[3];
306  const uint8_t *y_dc_scale_table;
307  const uint8_t *c_dc_scale_table;
308  const uint8_t *chroma_qscale_table;
310  uint8_t *coded_block;
311  int16_t (*ac_val_base)[16];
312  int16_t (*ac_val[3])[16];
314  uint8_t *mbskip_table;
316  uint8_t *mbintra_table;
317  uint8_t *cbp_table;
318  uint8_t *pred_dir_table;
319  uint8_t *edge_emu_buffer;
320  uint8_t *rd_scratchpad;
321  uint8_t *obmc_scratchpad;
322  uint8_t *b_scratchpad;
323 
324  int qscale;
326  unsigned int lambda;
327  unsigned int lambda2;
330  int dquant;
331  int pict_type;
332  int last_pict_type; //FIXME removes
334  int dropable;
337  int skipdct;
338 
339  /* motion compensation */
342 
344  int f_code;
345  int b_code;
346  int16_t (*p_mv_table_base)[2];
347  int16_t (*b_forw_mv_table_base)[2];
348  int16_t (*b_back_mv_table_base)[2];
351  int16_t (*b_direct_mv_table_base)[2];
352  int16_t (*p_field_mv_table_base[2][2])[2];
353  int16_t (*b_field_mv_table_base[2][2][2])[2];
354  int16_t (*p_mv_table)[2];
355  int16_t (*b_forw_mv_table)[2];
356  int16_t (*b_back_mv_table)[2];
357  int16_t (*b_bidir_forw_mv_table)[2];
358  int16_t (*b_bidir_back_mv_table)[2];
359  int16_t (*b_direct_mv_table)[2];
360  int16_t (*p_field_mv_table[2][2])[2];
361  int16_t (*b_field_mv_table[2][2][2])[2];
362  uint8_t (*p_field_select_table[2]);
363  uint8_t (*b_field_select_table[2][2]);
364  int me_method;
365  int mv_dir;
366 #define MV_DIR_FORWARD 1
367 #define MV_DIR_BACKWARD 2
368 #define MV_DIRECT 4
369  int mv_type;
370 #define MV_TYPE_16X16 0
371 #define MV_TYPE_8X8 1
372 #define MV_TYPE_16X8 2
373 #define MV_TYPE_FIELD 3
374 #define MV_TYPE_DMV 4
375 
380  int mv[2][4][2];
381  int field_select[2][2];
382  int last_mv[2][2][2];
383  uint8_t *fcode_tab;
384  int16_t direct_scale_mv[2][64];
385 
387 
391  /* macroblock layer */
392  int mb_x, mb_y;
394  int mb_intra;
395  uint16_t *mb_type;
396 #define CANDIDATE_MB_TYPE_INTRA 0x01
397 #define CANDIDATE_MB_TYPE_INTER 0x02
398 #define CANDIDATE_MB_TYPE_INTER4V 0x04
399 #define CANDIDATE_MB_TYPE_SKIPPED 0x08
400 //#define MB_TYPE_GMC 0x10
401 
402 #define CANDIDATE_MB_TYPE_DIRECT 0x10
403 #define CANDIDATE_MB_TYPE_FORWARD 0x20
404 #define CANDIDATE_MB_TYPE_BACKWARD 0x40
405 #define CANDIDATE_MB_TYPE_BIDIR 0x80
406 
407 #define CANDIDATE_MB_TYPE_INTER_I 0x100
408 #define CANDIDATE_MB_TYPE_FORWARD_I 0x200
409 #define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
410 #define CANDIDATE_MB_TYPE_BIDIR_I 0x800
411 
412 #define CANDIDATE_MB_TYPE_DIRECT0 0x1000
413 
414  int block_index[6];
415  int block_wrap[6];
416  uint8_t *dest[3];
417 
418  int *mb_index2xy;
419 
421  uint16_t intra_matrix[64];
422  uint16_t chroma_intra_matrix[64];
423  uint16_t inter_matrix[64];
424  uint16_t chroma_inter_matrix[64];
425 #define QUANT_BIAS_SHIFT 8
436 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
437 
438  int coded_score[8];
439 
441  int (*q_intra_matrix)[64];
442  int (*q_inter_matrix)[64];
444  uint16_t (*q_intra_matrix16)[2][64];
445  uint16_t (*q_inter_matrix16)[2][64];
446 
447  /* noise reduction */
448  int (*dct_error_sum)[64];
449  int dct_count[2];
450  uint16_t (*dct_offset)[64];
451 
452  void *opaque;
453 
454  /* bit rate control */
455  int64_t total_bits;
459 
460  /* statistics, used for 2-pass encoding */
461  int mv_bits;
465  int i_count;
466  int f_count;
467  int b_count;
469  int misc_bits;
470  int last_bits;
471 
472  /* error concealment / resync */
475 #define VP_START 1
476 #define ER_AC_ERROR 2
477 #define ER_DC_ERROR 4
478 #define ER_MV_ERROR 8
479 #define ER_AC_END 16
480 #define ER_DC_END 32
481 #define ER_MV_END 64
482 
483 #define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
484 #define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END)
485 
492 
494 
495  /* H.263 specific */
497  int obmc;
499 
500  /* H.263+ specific */
501  int umvplus;
508 
509  /* mpeg4 specific */
512  int time_base;
513  int64_t time;
515  uint16_t pp_time;
516  uint16_t pb_time;
517  uint16_t pp_field_time;
518  uint16_t pb_field_time;
519  int shape;
528  uint16_t sprite_traj[4][2];
529  int sprite_offset[2][2];
530  int sprite_delta[2][2];
531  int sprite_shift[2];
532  int mcsel;
538  int new_pred;
540  int aspect_ratio_info; //FIXME remove
545  int rvlc;
547  int low_delay;
548  int vo_type;
555  int t_frame;
560 
561  /* divx specific, used to workaround (many) bugs in divx5 */
565  uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
568 
570 
571  /* lavc specific stuff, used to workaround bugs in libavcodec */
573 
574  /* RV10 specific */
578 
579  /* MJPEG specific */
581  int mjpeg_vsample[3];
582  int mjpeg_hsample[3];
583 
584  /* MSMPEG4 specific */
598  int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
600  int mspel;
601 
602  /* decompression specific */
604 
605  /* Mpeg1 specific */
609  uint8_t *vbv_delay_ptr;
610 
611  /* MPEG-2-specific - I wished not to have to support this mess. */
613  int mpeg_f_code[2][2];
615 /* picture type */
616 #define PICT_TOP_FIELD 1
617 #define PICT_BOTTOM_FIELD 2
618 #define PICT_FRAME 3
619 
630 #define CHROMA_420 1
631 #define CHROMA_422 2
632 #define CHROMA_444 3
633  int chroma_x_shift;//depend on pix_format, that depend on chroma_format
635 
637  int full_pel[2];
643 
644  /* RTP specific */
645  int rtp_mode;
646 
647  uint8_t *ptr_lastgob;
648  int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
649  DCTELEM (*pblocks[12])[64];
650 
651  DCTELEM (*block)[64];
652  DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block
653  int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
654 #define SLICE_OK 0
655 #define SLICE_ERROR -1
656 #define SLICE_END -2
657 #define SLICE_NOEND -3
658 
660  DCTELEM *block/*align 16*/, int n, int qscale);
662  DCTELEM *block/*align 16*/, int n, int qscale);
664  DCTELEM *block/*align 16*/, int n, int qscale);
666  DCTELEM *block/*align 16*/, int n, int qscale);
668  DCTELEM *block/*align 16*/, int n, int qscale);
670  DCTELEM *block/*align 16*/, int n, int qscale);
672  DCTELEM *block/*align 16*/, int n, int qscale);
674  DCTELEM *block/*align 16*/, int n, int qscale);
675  void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
676  DCTELEM *block/*align 16*/, int n, int qscale);
677  void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
678  DCTELEM *block/*align 16*/, int n, int qscale);
679  int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
680  int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
682 
683  uint8_t *pkt_swapped;
686 
687 #define REBASE_PICTURE(pic, new_ctx, old_ctx) (pic ? \
688  (pic >= old_ctx->picture && pic < old_ctx->picture+old_ctx->picture_count ?\
689  &new_ctx->picture[pic - old_ctx->picture] : pic - (Picture*)old_ctx + (Picture*)new_ctx)\
690  : NULL)
691 
695 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
700 int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
709 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
712 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
713 void ff_release_unused_pictures(MpegEncContext *s, int remove_current);
714 int ff_find_unused_picture(MpegEncContext *s, int shared);
720 const uint8_t *avpriv_mpv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
721 void ff_set_qscale(MpegEncContext * s, int qscale);
722 
725 void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
726 
728 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
729  const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
730 
732 void ff_copy_picture(Picture *dst, Picture *src);
733 
738 int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
739 
740 extern const enum PixelFormat ff_pixfmt_list_420[];
741 extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
742 
743 static inline void ff_update_block_index(MpegEncContext *s){
744  const int block_size= 8>>s->avctx->lowres;
745 
746  s->block_index[0]+=2;
747  s->block_index[1]+=2;
748  s->block_index[2]+=2;
749  s->block_index[3]+=2;
750  s->block_index[4]++;
751  s->block_index[5]++;
752  s->dest[0]+= 2*block_size;
753  s->dest[1]+= block_size;
754  s->dest[2]+= block_size;
755 }
756 
757 static inline int get_bits_diff(MpegEncContext *s){
758  const int bits= put_bits_count(&s->pb);
759  const int last= s->last_bits;
760 
761  s->last_bits = bits;
762 
763  return bits - last;
764 }
765 
766 static inline int ff_h263_round_chroma(int x){
767  static const uint8_t h263_chroma_roundtab[16] = {
768  // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
769  0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
770  };
771  return h263_chroma_roundtab[x & 0xf] + (x >> 3);
772 }
773 
774 /* motion_est.c */
776  int mb_x, int mb_y);
778  int mb_x, int mb_y);
779 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
781 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
782  int16_t (*mv_table)[2], int f_code, int type, int truncate);
783 int ff_init_me(MpegEncContext *s);
785 int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
786  int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
787  int ref_mv_scale, int size, int h);
788 int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
789  int ref_index, int size, int h, int add_rate);
790 
791 /* mpeg12.c */
792 extern const uint8_t ff_mpeg1_dc_scale_table[128];
793 extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
794 
797  DCTELEM block[6][64],
798  int motion_x, int motion_y);
802 int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
803 
804 extern const uint8_t ff_aic_dc_scale_table[32];
805 extern const uint8_t ff_h263_chroma_qscale_table[32];
806 extern const uint8_t ff_h263_loop_filter_strength[32];
807 
808 /* h261.c */
812  DCTELEM block[6][64],
813  int motion_x, int motion_y);
817 
818 
819 /* rv10.c */
821 int rv_decode_dc(MpegEncContext *s, int n);
823 
824 
825 /* msmpeg4.c */
829  DCTELEM block[6][64],
830  int motion_x, int motion_y);
832 int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
837 void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
839  uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
840  uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
841  int motion_x, int motion_y, int h);
844  DCTELEM block[6][64],
845  int motion_x, int motion_y);
846 
847 #endif /* AVCODEC_MPEGVIDEO_H */
int last_time_base
Definition: mpegvideo.h:511
int bitstream_buffer_size
Definition: mpegvideo.h:566
uint8_t * scratchpad
data area for the ME algo, so that the ME does not need to malloc/free
Definition: mpegvideo.h:150
int inter_intra_pred
Definition: mpegvideo.h:599
int ff_pre_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1211
int chroma_elim_threshold
Definition: mpegvideo.h:224
int rv10_first_dc_coded[3]
Definition: mpegvideo.h:576
int frame_bits
bits used for the current frame
Definition: mpegvideo.h:456
void ff_h261_reorder_mb_index(MpegEncContext *s)
Definition: h261enc.c:107
RateControlContext rc_context
contains stuff only accessed in ratecontrol.c
Definition: mpegvideo.h:458
int16_t(* b_bidir_back_mv_table_base)[2]
Definition: mpegvideo.h:350
int aspect_ratio_info
Definition: mpegvideo.h:540
int picture_number
Definition: mpegvideo.h:235
int(* dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow)
Definition: mpegvideo.h:679
ScanTable intra_v_scantable
Definition: mpegvideo.h:258
rate control context.
Definition: ratecontrol.h:63
int size
int esc3_level_length
Definition: mpegvideo.h:595
int time_increment_bits
number of bits to represent the fractional part of time
Definition: mpegvideo.h:510
Audio Video Frame.
Definition: avcodec.h:985
struct MpegEncContext MpegEncContext
MpegEncContext.
void ff_mpeg1_encode_slice_header(MpegEncContext *s)
Definition: mpeg12enc.c:330
int skip
set if ME is skipped for the current MB
Definition: mpegvideo.h:147
int16_t(* p_mv_table)[2]
MV table (1MV per MB) p-frame encoding.
Definition: mpegvideo.h:354
uint8_t * rd_scratchpad
scratchpad for rate distortion mb decision
Definition: mpegvideo.h:320
void msmpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
uint8_t * fcode_tab
smallest fcode needed for each MV
Definition: mpegvideo.h:383
int start_mb_y
start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y) ...
Definition: mpegvideo.h:268
uint8_t * interpolated[3]
halfpel luma planes.
Definition: mpegvideo.h:91
void MPV_common_init_mmx(MpegEncContext *s)
void MPV_frame_end(MpegEncContext *s)
Definition: mpegvideo.c:1357
const uint8_t * y_dc_scale_table
qscale -> y_dc_scale table
Definition: mpegvideo.h:306
uint8_t * mb_mean
Table for MB luminance.
Definition: mpegvideo.h:136
int vol_control_parameters
does the stream contain the low_delay flag, used to workaround buggy encoders
Definition: mpegvideo.h:549
int sprite_warping_accuracy
Definition: mpegvideo.h:541
int last_mv[2][2][2]
last MV, used for MV prediction in MPEG1 & B-frame MPEG4
Definition: mpegvideo.h:382
void(* dct_unquantize_h261_inter)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:673
int pre_pass
= 1 for the pre pass
Definition: mpegvideo.h:169
void(* dct_unquantize_mpeg2_inter)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:665
void ff_init_block_index(MpegEncContext *s)
Definition: mpegvideo.c:2608
uint8_t * coded_block_base
Definition: mpegvideo.h:309
int end_mb_y
end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y) ...
Definition: mpegvideo.h:269
uint16_t * mb_var
Table for MB variances.
Definition: mpegvideo.h:134
uint16_t chroma_intra_matrix[64]
Definition: mpegvideo.h:422
int broken_link
no_output_of_prior_pics_flag
Definition: mpegvideo.h:608
int MPV_encode_init(AVCodecContext *avctx)
uint8_t * current_mv_penalty
Definition: mpegvideo.h:191
int16_t(*[3] ac_val)[16]
used for for mpeg4 AC prediction, all 3 arrays must be continuous
Definition: mpegvideo.h:312
int v_edge_pos
horizontal / vertical position of the right/bottom edge (pixel replication)
Definition: mpegvideo.h:241
int mjpeg_hsample[3]
horizontal sampling factors, default = {2, 1, 1}
Definition: mpegvideo.h:582
uint16_t chroma_inter_matrix[64]
Definition: mpegvideo.h:424
void ff_draw_horiz_band(MpegEncContext *s, int y, int h)
Definition: mpegvideo.c:2542
int msmpeg4_version
0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
Definition: mpegvideo.h:593
Scantable.
Definition: dsputil.h:196
uint8_t * bitstream_buffer
Definition: mpegvideo.h:565
void(* dct_unquantize_h263_inter)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:669
void ff_set_qscale(MpegEncContext *s, int qscale)
set qscale and update qscale dependent variables.
Definition: mpegvideo.c:2888
int16_t(*[2] motion_val_base)[2]
Definition: mpegvideo.h:93
int width
Definition: rotozoom.c:164
enum PixelFormat ff_hwaccel_pixfmt_list_420[]
Definition: mpegvideo.c:135
int obmc
overlapped block motion compensation
Definition: mpegvideo.h:497
int ff_msmpeg4_decode_init(AVCodecContext *avctx)
Definition: msmpeg4.c:1258
int sub_penalty_factor
Definition: mpegvideo.h:164
int field_picture
whether or not the picture was encoded in separate fields
Definition: mpegvideo.h:130
void(* dct_unquantize_mpeg2_intra)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:663
int scan_offset
reserve space for SVCD scan offset user data.
Definition: mpegvideo.h:642
void msmpeg4_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
int16_t(*[2][2] p_field_mv_table)[2]
MV table (2MV per MB) interlaced p-frame encoding.
Definition: mpegvideo.h:360
int picture_range_end
the part of picture that this context can allocate in
Definition: mpegvideo.h:301
void ff_convert_matrix(DSPContext *dsp, int(*qmat)[64], uint16_t(*qmat16)[2][64], const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
Definition: mpegvideo_enc.c:65
int16_t(* p_mv_table_base)[2]
Definition: mpegvideo.h:346
int min_qcoeff
minimum encodable coefficient
Definition: mpegvideo.h:428
int real_sprite_warping_points
Definition: mpegvideo.h:527
int ff_get_mb_score(MpegEncContext *s, int mx, int my, int src_index, int ref_index, int size, int h, int add_rate)
uint32_t * score_map
map to store the scores
Definition: mpegvideo.h:156
int num_sprite_warping_points
Definition: mpegvideo.h:526
void ff_clean_intra_table_entries(MpegEncContext *s)
Clean dc, ac, coded_block for the current non-intra MB.
Definition: mpegvideo.c:2248
int pre_penalty_factor
Definition: mpegvideo.h:158
int scene_change_score
Definition: mpegvideo.h:184
int mmco_reset
h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET...
Definition: mpegvideo.h:123
uint8_t * intra_ac_vlc_length
Definition: mpegvideo.h:431
int padding_bug_score
used to detect the VERY common padding bug in MPEG4
Definition: mpegvideo.h:556
int mb_num
number of MBs of a picture
Definition: mpegvideo.h:242
int t_frame
time distance of first I -> B, used for interlaced b frames
Definition: mpegvideo.h:555
uint16_t sprite_traj[4][2]
sprite trajectory points
Definition: mpegvideo.h:528
void ff_release_unused_pictures(MpegEncContext *s, int remove_current)
Definition: mpegvideo.c:1100
int ff_dct_common_init(MpegEncContext *s)
Definition: mpegvideo.c:177
int time_base
time in seconds of last I,P,S Frame
Definition: mpegvideo.h:512
int qscale
QP.
Definition: mpegvideo.h:324
int h263_aic
Advanded INTRA Coding (AIC)
Definition: mpegvideo.h:252
int reduced_res_vop
Definition: mpegvideo.h:539
int16_t(* b_back_mv_table)[2]
MV table (1MV per MB) backward mode b-frame encoding.
Definition: mpegvideo.h:356
uint8_t * ref[4][4]
Definition: mpegvideo.h:178
int chroma_x_shift
Definition: mpegvideo.h:633
int encoding
true if we are encoding (vs decoding)
Definition: mpegvideo.h:219
void MPV_common_init_axp(MpegEncContext *s)
int field_select[2][2]
Definition: mpegvideo.h:381
int ff_epzs_motion_search(MpegEncContext *s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t(*last_mv)[2], int ref_mv_scale, int size, int h)
int block_wrap[6]
Definition: mpegvideo.h:415
int16_t(* b_back_mv_table_base)[2]
Definition: mpegvideo.h:348
int quant_precision
Definition: mpegvideo.h:533
int picture_range_start
Definition: mpegvideo.h:301
int modified_quant
Definition: mpegvideo.h:505
int low_latency_sprite
Definition: mpegvideo.h:542
int skipdct
skip dct and code zero residual
Definition: mpegvideo.h:337
int b_frame_score
Definition: mpegvideo.h:138
#define MAX_THREADS
Definition: mpegvideo.h:58
int intra_dc_threshold
QP above whch the ac VLC should be used for intra dc.
Definition: mpegvideo.h:550
int ref_poc[2][2][32]
h264 POCs of the frames used as reference (FIXME need per slice)
Definition: mpegvideo.h:127
void ff_h261_encode_picture_header(MpegEncContext *s, int picture_number)
Definition: h261enc.c:52
uint8_t * visualization_buffer[3]
temporary buffer vor MV visualization
Definition: mpegvideo.h:302
int sprite_shift[2]
sprite shift [isChroma]
Definition: mpegvideo.h:531
int picture_in_gop_number
0-> first pic in gop, ...
Definition: mpegvideo.h:236
int long_ref
1->long term reference 0->short term reference
Definition: mpegvideo.h:126
int esc3_run_length
Definition: mpegvideo.h:596
int alt_inter_vlc
alternative inter vlc
Definition: mpegvideo.h:504
uint8_t * ptr_lastgob
Definition: mpegvideo.h:647
int mb_num_left
number of MBs left in this video packet (for partitioned Slices only)
Definition: mpegvideo.h:489
int64_t time
time of current frame
Definition: mpegvideo.h:513
int16_t * dc_val_base
Definition: mpegvideo.h:304
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
Definition: mpegvideo.c:2528
op_pixels_func(* hpel_put)[4]
Definition: mpegvideo.h:186
uint8_t bits
Definition: crc.c:31
int ref_count[2][2]
number of entries in ref_poc (FIXME need per slice)
Definition: mpegvideo.h:128
DCTELEM(*[12] pblocks)[64]
Definition: mpegvideo.h:649
Picture ** input_picture
next pictures on display order for encoding
Definition: mpegvideo.h:246
void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
Definition: rv10enc.c:31
PutBitContext pb2
used for data partitioned VOPs
Definition: mpegvideo.h:553
enum OutputFormat out_format
output format
Definition: mpegvideo.h:209
void(* qpel_mc_func)(uint8_t *dst, uint8_t *src, int stride)
Definition: dsputil.h:159
uint16_t(* dct_offset)[64]
Definition: mpegvideo.h:450
uint8_t * pred_dir_table
used to store pred_dir for partitioned decoding
Definition: mpegvideo.h:318
Motion estimation context.
Definition: mpegvideo.h:145
qpel_mc_func(* qpel_put)[16]
Definition: mpegvideo.h:188
int misc_bits
cbp, mb_type
Definition: mpegvideo.h:469
void MPV_common_init_bfin(MpegEncContext *s)
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
Definition: mpegvideo.h:388
int full_pel[2]
Definition: mpegvideo.h:637
int interlaced_dct
Definition: mpegvideo.h:638
int resync_marker
could this stream contain resync markers
Definition: mpegvideo.h:546
Picture current_picture
copy of the current picture structure.
Definition: mpegvideo.h:295
GetBitContext last_resync_gb
used to search for the next resync marker
Definition: mpegvideo.h:488
int intra_dc_precision
Definition: mpegvideo.h:620
int repeat_first_field
Definition: mpegvideo.h:627
int cplx_estimation_trash_b
Definition: mpegvideo.h:559
int pkt_swapped_allocated
Definition: mpegvideo.h:684
const char data[16]
Definition: mxf.c:60
void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
Definition: mpeg12enc.c:341
int16_t(* b_bidir_forw_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:357
void(* dct_unquantize_intra)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:675
void(* dct_unquantize_inter)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:677
void MPV_common_init_mlib(MpegEncContext *s)
Definition: dsputil_mlib.c:457
uint8_t(* mv_penalty)[MAX_MV *2+1]
amount of bits needed to encode a MV
Definition: mpegvideo.h:190
void(* dct_unquantize_h261_intra)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:671
int showed_packed_warning
flag for having shown the warning about divxs invalid b frames
Definition: mpegvideo.h:498
bitstream reader API header.
uint16_t pp_time
time distance between the last 2 p,s,i frames
Definition: mpegvideo.h:515
uint8_t * b_scratchpad
scratchpad used for writing into write only buffers
Definition: mpegvideo.h:322
int flags2
AVCodecContext.flags2.
Definition: mpegvideo.h:221
op_pixels_func(* hpel_avg)[4]
Definition: mpegvideo.h:187
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:237
int lowres
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition: avcodec.h:2536
int codec_tag
internal codec_tag upper case converted from avctx codec_tag
Definition: mpegvideo.h:227
int max_qcoeff
maximum encodable coefficient
Definition: mpegvideo.h:429
int rv_decode_dc(MpegEncContext *s, int n)
Definition: rv10.c:189
void(* dct_unquantize_mpeg1_intra)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:659
int16_t(*[2][2] p_field_mv_table_base)[2]
Definition: mpegvideo.h:352
int ff_wmv2_decode_picture_header(MpegEncContext *s)
Definition: wmv2dec.c:114
#define MAX_LEVEL
Definition: rl.h:35
int flipflop_rounding
Definition: mpegvideo.h:592
int dquant
qscale difference to prev qscale
Definition: mpegvideo.h:330
void ff_estimate_p_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:989
int gop_picture_number
index of the first picture of a GOP based on fake_pic_num & mpeg1 specific
Definition: mpegvideo.h:606
static void ff_update_block_index(MpegEncContext *s)
Definition: mpegvideo.h:743
static DSPContext dsp
Definition: atrac3.c:135
int sprite_offset[2][2]
sprite offset[isChroma][isMVY]
Definition: mpegvideo.h:529
int(* q_inter_matrix)[64]
Definition: mpegvideo.h:442
static int get_bits_diff(MpegEncContext *s)
Definition: mpegvideo.h:757
uint8_t * error_status_table
table of the error status of each MB
Definition: mpegvideo.h:474
int(* q_intra_matrix)[64]
precomputed matrix (combine qscale and DCT renorm)
Definition: mpegvideo.h:441
int intra_only
if true, only intra pictures are generated
Definition: mpegvideo.h:207
int16_t * dc_val[3]
used for mpeg4 DC prediction, all 3 arrays must be continuous
Definition: mpegvideo.h:305
int h263_plus
h263 plus headers
Definition: mpegvideo.h:214
int slice_context_count
number of used thread_contexts
Definition: mpegvideo.h:271
int last_non_b_pict_type
used for mpeg4 gmc b-frames & ratecontrol
Definition: mpegvideo.h:333
void MPV_common_end(MpegEncContext *s)
Definition: mpegvideo.c:923
int ff_wmv2_encode_picture_header(MpegEncContext *s, int picture_number)
Definition: wmv2enc.c:70
int stream_codec_tag
internal stream_codec_tag upper case converted from avctx stream_codec_tag
Definition: mpegvideo.h:228
int last_dc[3]
last DC values for MPEG1
Definition: mpegvideo.h:303
int16_t direct_scale_mv[2][64]
precomputed to avoid divisions in ff_mpeg4_set_direct_mv
Definition: mpegvideo.h:384
uint8_t * inter_ac_vlc_last_length
Definition: mpegvideo.h:434
int MPV_common_init(MpegEncContext *s)
init common structure for both encoder and decoder.
Definition: mpegvideo.c:658
static int ff_h263_round_chroma(int x)
Definition: mpegvideo.h:766
int rl_chroma_table_index
Definition: mpegvideo.h:587
int64_t total_bits
Definition: mpegvideo.h:455
int mb_skipped
MUST BE SET only during DECODING.
Definition: mpegvideo.h:313
int chroma_y_shift
Definition: mpegvideo.h:634
int strict_std_compliance
strictly follow the std (MPEG4, ...)
Definition: mpegvideo.h:225
int MPV_encode_end(AVCodecContext *avctx)
int partitioned_frame
is current frame partitioned
Definition: mpegvideo.h:544
int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s)
Find the end of the current frame in the bitstream.
Definition: mpeg12.c:2138
int cplx_estimation_trash_p
Definition: mpegvideo.h:558
int unrestricted_mv
mv can point outside of the coded picture
Definition: mpegvideo.h:340
int last_lambda_for[5]
last lambda for a specific pict type
Definition: mpegvideo.h:336
uint8_t * edge_emu_buffer
temporary buffer for if MVs point to out-of-frame data
Definition: mpegvideo.h:319
int per_mb_rl_table
Definition: mpegvideo.h:594
int ff_wmv2_decode_secondary_picture_header(MpegEncContext *s)
Definition: wmv2dec.c:134
int h263_slice_structured
Definition: mpegvideo.h:503
int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
int quarter_sample
1->qpel, 0->half pel ME/MC
Definition: mpegvideo.h:534
uint16_t * mb_type
Table for candidate MB types for encoding.
Definition: mpegvideo.h:395
int low_delay
no reordering needed / has no b-frames
Definition: mpegvideo.h:547
rl header.
int vol_sprite_usage
Definition: mpegvideo.h:520
GetBitContext gb
Definition: mpegvideo.h:603
int msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size)
Definition: msmpeg4.c:1520
uint8_t *[2][2] b_field_select_table
Definition: mpegvideo.h:363
void ff_fix_long_mvs(MpegEncContext *s, uint8_t *field_select_table, int field_select, int16_t(*mv_table)[2], int f_code, int type, int truncate)
Definition: motion_est.c:1921
void ff_h261_encode_init(MpegEncContext *s)
Definition: h261enc.c:238
int error_occurred
Definition: mpegvideo.h:473
struct Picture Picture
Picture.
enum CodecID codec_id
Definition: mpegvideo.h:217
DCTELEM(* blocks)[8][64]
Definition: mpegvideo.h:652
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:70
int picture_count
number of allocated pictures (MAX_PICTURE_COUNT * avctx->thread_count)
Definition: mpegvideo.h:300
void MPV_decode_defaults(MpegEncContext *s)
Set the given MpegEncContext to defaults for decoding.
Definition: mpegvideo.c:649
int resync_mb_x
x position of last resync marker
Definition: mpegvideo.h:486
int coded_picture_number
used to set pic->coded_picture_number, should not be used for/by anything else
Definition: mpegvideo.h:234
int * lambda_table
Definition: mpegvideo.h:328
int(* decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64])
Definition: mpegvideo.h:653
uint8_t * intra_ac_vlc_last_length
Definition: mpegvideo.h:432
int sprite_delta[2][2]
sprite_delta [isY][isMVY]
Definition: mpegvideo.h:530
uint8_t * src[4][4]
Definition: mpegvideo.h:177
int intra_vlc_format
Definition: mpegvideo.h:625
const uint8_t ff_h263_chroma_qscale_table[32]
Definition: h263data.h:262
int err_recognition
Definition: mpegvideo.h:491
const uint8_t ff_h263_loop_filter_strength[32]
Definition: h263data.h:275
void(* dct_unquantize_mpeg1_inter)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:661
int progressive_frame
Definition: mpegvideo.h:636
static DCTELEM block[64]
Definition: dct-test.c:189
int top_field_first
Definition: mpegvideo.h:622
uint16_t(* q_inter_matrix16)[2][64]
Definition: mpegvideo.h:445
uint8_t * vbv_delay_ptr
pointer to vbv_delay in the bitstream
Definition: mpegvideo.h:609
int fixed_qscale
fixed qscale if non zero
Definition: mpegvideo.h:218
int next_p_frame_damaged
set if the next p frame is damaged, to avoid showing trashed b frames
Definition: mpegvideo.h:490
int me_method
ME algorithm.
Definition: mpegvideo.h:364
int poc
h264 frame POC
Definition: mpegvideo.h:121
int umvplus
== H263+ && unrestricted_mv
Definition: mpegvideo.h:501
Picture new_picture
copy of the source picture structure for encoding.
Definition: mpegvideo.h:289
int intra_quant_bias
bias for the quantizer
Definition: mpegvideo.h:426
uint8_t * mbskip_table
used to avoid copy if macroblock skipped (for black regions for example) and used for b-frame encodin...
Definition: mpegvideo.h:314
int ff_init_me(MpegEncContext *s)
Definition: motion_est.c:298
int msmpeg4_decode_picture_header(MpegEncContext *s)
Definition: msmpeg4.c:1366
Picture * current_picture_ptr
pointer to the current picture
Definition: mpegvideo.h:299
void ff_mspel_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h)
Definition: wmv2.c:73
Picture.
Definition: mpegvideo.h:85
int alternate_scan
Definition: mpegvideo.h:626
unsigned int allocated_bitstream_buffer_size
Definition: mpegvideo.h:567
int coded_score[8]
Definition: mpegvideo.h:438
void ff_msmpeg4_encode_init(MpegEncContext *s)
int16_t(* ac_val_base)[16]
Definition: mpegvideo.h:311
const uint8_t ff_mpeg1_dc_scale_table[128]
Definition: mpegvideo.c:75
int ff_find_unused_picture(MpegEncContext *s, int shared)
Definition: mpegvideo.c:1115
uint16_t(* q_intra_matrix16)[2][64]
identical to the above but for MMX & these are not permutated, second 64 entries are bias ...
Definition: mpegvideo.h:444
int ff_h261_get_picture_format(int width, int height)
Definition: h261enc.c:40
void msmpeg4_encode_ext_header(MpegEncContext *s)
unsigned map_generation
Definition: mpegvideo.h:157
int16_t(*[2][2][2] b_field_mv_table_base)[2]
Definition: mpegvideo.h:353
int frame_num
h264 frame_num (raw frame_num from slice header)
Definition: mpegvideo.h:122
int(* ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]
[mb_intra][isChroma][level][run][last]
Definition: mpegvideo.h:598
int16_t(* b_forw_mv_table_base)[2]
Definition: mpegvideo.h:347
void ff_fix_long_p_mvs(MpegEncContext *s)
Definition: motion_est.c:1870
int block_last_index[12]
last non zero coefficient in block
Definition: mpegvideo.h:251
MotionEstContext me
Definition: mpegvideo.h:386
void ff_wmv2_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
Definition: wmv2enc.c:150
int pb_frame
PB frame mode (0 = none, 1 = base, 2 = improved)
Definition: mpegvideo.h:211
int mpeg_f_code[2][2]
Definition: mpegvideo.h:613
uint8_t * mbintra_table
used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
Definition: mpegvideo.h:316
void rv20_encode_picture_header(MpegEncContext *s, int picture_number)
Definition: rv20enc.c:32
int ac_esc_length
num of bits needed to encode the longest esc
Definition: mpegvideo.h:430
int sprite_brightness_change
Definition: mpegvideo.h:525
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix)
int block_index[6]
index to current MB in block based arrays with edges
Definition: mpegvideo.h:414
int penalty_factor
an estimate of the bits required to code a given mv value, e.g.
Definition: mpegvideo.h:159
void ff_mpeg_flush(AVCodecContext *avctx)
Definition: mpegvideo.c:2640
int * mb_index2xy
mb_index -> mb_x + mb_y*mb_stride
Definition: mpegvideo.h:418
struct MJpegContext * mjpeg_ctx
Definition: mpegvideo.h:580
int first_field
is 1 for the first field of a field picture 0 otherwise
Definition: mpegvideo.h:640
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
Definition: dsputil.h:157
int mjpeg_vsample[3]
vertical sampling factors, default = {2, 1, 1}
Definition: mpegvideo.h:581
int first_slice_line
used in mpeg4 too to handle resync markers
Definition: mpegvideo.h:591
int frame_pred_frame_dct
Definition: mpegvideo.h:621
uint16_t * mc_mb_var
Table for motion compensated MB variances.
Definition: mpegvideo.h:135
int16_t(* b_bidir_forw_mv_table_base)[2]
Definition: mpegvideo.h:349
int mbaff
h264 1 -> MBAFF frame 0-> not MBAFF
Definition: mpegvideo.h:129
uint16_t inter_matrix[64]
Definition: mpegvideo.h:423
void MPV_common_init_mmi(MpegEncContext *s)
Definition: mpegvideo_mmi.c:83
uint8_t * luma_dc_vlc_length
Definition: mpegvideo.h:435
int64_t last_non_b_time
Definition: mpegvideo.h:514
void ff_h261_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
Definition: h261enc.c:156
int(* fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow)
Definition: mpegvideo.h:680
int cplx_estimation_trash_i
Definition: mpegvideo.h:557
int concealment_motion_vectors
Definition: mpegvideo.h:623
void ff_estimate_b_frame_motion(MpegEncContext *s, int mb_x, int mb_y)
Definition: motion_est.c:1655
struct MpegEncContext * thread_context[MAX_THREADS]
Definition: mpegvideo.h:270
unsigned int lambda2
(lambda*lambda) >> FF_LAMBDA_SHIFT
Definition: mpegvideo.h:327
external API header
int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
Definition: mpegvideo.c:529
int h263_flv
use flv h263 header
Definition: mpegvideo.h:215
AVCodecContext * avctx
Definition: mpegvideo.h:146
int8_t * qscale_table_base
Definition: mpegvideo.h:92
uint32_t * mb_type_base
Definition: mpegvideo.h:94
void(* denoise_dct)(struct MpegEncContext *s, DCTELEM *block)
Definition: mpegvideo.h:681
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
Definition: mpegvideo.c:513
main external API structure.
Definition: avcodec.h:1329
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
void ff_er_frame_end(MpegEncContext *s)
ScanTable intra_scantable
Definition: mpegvideo.h:256
void ff_copy_picture(Picture *dst, Picture *src)
Definition: mpegvideo.c:222
uint8_t * coded_block
used for coded block pattern prediction (msmpeg4v3, wmv1)
Definition: mpegvideo.h:310
void ff_mpeg1_encode_init(MpegEncContext *s)
Definition: mpeg12enc.c:713
int height
picture size. must be a multiple of 16
Definition: mpegvideo.h:205
MPEG1/2 tables.
const uint8_t *const ff_mpeg2_dc_scale_table[4]
Definition: mpegvideo.c:123
int64_t user_specified_pts
last non zero pts from AVFrame which was passed into avcodec_encode_video()
Definition: mpegvideo.h:263
int chroma_420_type
Definition: mpegvideo.h:628
int luma_elim_threshold
Definition: mpegvideo.h:223
Picture * picture
main picture buffer
Definition: mpegvideo.h:245
int data_partitioning
data partitioning flag from header
Definition: mpegvideo.h:543
uint8_t * inter_ac_vlc_length
Definition: mpegvideo.h:433
int progressive_sequence
Definition: mpegvideo.h:612
Describe the class of an AVClass context structure.
Definition: log.h:33
ScanTable intra_h_scantable
Definition: mpegvideo.h:257
const uint8_t ff_aic_dc_scale_table[32]
Definition: h263data.h:248
int16_t(*[2][2][2] b_field_mv_table)[2]
MV table (4MV per MB) interlaced b-frame encoding.
Definition: mpegvideo.h:361
uint8_t * cbp_table
used to store cbp, ac_pred for partitioned decoding
Definition: mpegvideo.h:317
struct MotionEstContext MotionEstContext
Motion estimation context.
void ff_h261_loop_filter(MpegEncContext *s)
Definition: h261.c:36
int context_initialized
Definition: mpegvideo.h:232
int input_picture_number
used to set pic->display_picture_number, should not be used for/by anything else
Definition: mpegvideo.h:233
int slice_height
in macroblocks
Definition: mpegvideo.h:590
int use_skip_mb_code
Definition: mpegvideo.h:589
DSPContext dsp
pointers for accelerated dsp functions
Definition: mpegvideo.h:343
#define MAX_MV
Definition: mpegvideo.h:56
int f_code
forward MV resolution
Definition: mpegvideo.h:344
short DCTELEM
Definition: dsputil.h:39
int max_b_frames
max number of b-frames for encoding
Definition: mpegvideo.h:222
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:331
int bit_rate
wanted bit rate
Definition: mpegvideo.h:208
DCTELEM(* block)[64]
points to one of the following blocks
Definition: mpegvideo.h:651
int last_mv_dir
last mv_dir, used for b frame encoding
Definition: mpegvideo.h:607
int field_poc[2]
h264 top/bottom POC
Definition: mpegvideo.h:120
int h263_pred
use mpeg4/h263 ac/dc predictions
Definition: mpegvideo.h:210
int16_t(* b_bidir_back_mv_table)[2]
MV table (1MV per MB) bidir mode b-frame encoding.
Definition: mpegvideo.h:358
static uint32_t state
Definition: trasher.c:25
uint8_t *[2] p_field_select_table
Definition: mpegvideo.h:362
int16_t(* b_direct_mv_table)[2]
MV table (1MV per MB) direct mode b-frame encoding.
Definition: mpegvideo.h:359
int ff_get_best_fcode(MpegEncContext *s, int16_t(*mv_table)[2], int type)
Definition: motion_est.c:1811
uint16_t pb_field_time
like above, just for interlaced
Definition: mpegvideo.h:518
const uint8_t * c_dc_scale_table
qscale -> c_dc_scale table
Definition: mpegvideo.h:307
const uint8_t * avpriv_mpv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
qpel_mc_func(* qpel_avg)[16]
Definition: mpegvideo.h:189
int mc_mb_var_sum_temp
Definition: mpegvideo.h:182
int16_t(* b_forw_mv_table)[2]
MV table (1MV per MB) forward mode b-frame encoding.
Definition: mpegvideo.h:355
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Definition: mpegvideo.h:239
uint8_t * best_mb
Definition: mpegvideo.h:151
struct MpegEncContext * owner2
pointer to the MpegEncContext that allocated this picture
Definition: mpegvideo.h:139
int height
Definition: gxfenc.c:73
MpegEncContext.
Definition: mpegvideo.h:201
Picture * next_picture_ptr
pointer to the next picture (for bidir pred)
Definition: mpegvideo.h:298
#define MAX_RUN
Definition: rl.h:34
struct AVCodecContext * avctx
Definition: mpegvideo.h:203
uint16_t pp_field_time
Definition: mpegvideo.h:517
PutBitContext pb
bit output
Definition: mpegvideo.h:266
int use_intra_dc_vlc
Definition: mpegvideo.h:551
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status)
Add a slice.
PixelFormat
Pixel format.
Definition: pixfmt.h:62
int rvlc
reversible vlc
Definition: mpegvideo.h:545
int(* dct_error_sum)[64]
Definition: mpegvideo.h:448
int direct_basis_mv[4][2]
Definition: mpegvideo.h:149
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
Definition: mpegvideo.h:238
void MPV_common_init_arm(MpegEncContext *s)
Definition: mpegvideo_arm.c:41
uint8_t * dest[3]
Definition: mpegvideo.h:416
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
generic function for encode/decode called after coding/decoding the header and before a frame is code...
Definition: mpegvideo.c:1163
int last_pict_type
Definition: mpegvideo.h:332
int b4_stride
4*mb_width+1 used for some 4x4 block arrays to allow simple addressing
Definition: mpegvideo.h:240
int adaptive_quant
use adaptive quantization
Definition: mpegvideo.h:329
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:277
uint8_t * obmc_scratchpad
Definition: mpegvideo.h:321
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict)
Print debugging info for the given picture.
Definition: mpegvideo.c:1518
Picture * last_picture_ptr
pointer to the previous picture.
Definition: mpegvideo.h:297
int co_located_mv[4][2]
mv from last P-frame for direct mode ME
Definition: mpegvideo.h:148
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (h263)
Definition: mpegvideo.h:308
uint32_t * map
map to avoid duplicate evaluations
Definition: mpegvideo.h:155
DSP utils.
CodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:83
void MPV_common_init_altivec(MpegEncContext *s)
int last_bits
temp var used for calculating the above vars
Definition: mpegvideo.h:470
int frame_rate_index
Definition: mpegvideo.h:335
int picture_structure
Definition: mpegvideo.h:614
void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr)
Definition: wmv2.c:59
void ff_mpeg1_clean_buffers(MpegEncContext *s)
Definition: mpeg12.c:657
OutputFormat
Definition: mpegvideo.h:42
int drop_frame_timecode
timecode is in drop frame format.
Definition: mpegvideo.h:641
int resync_mb_y
y position of last resync marker
Definition: mpegvideo.h:487
ParseContext parse_context
Definition: mpegvideo.h:493
ratecontrol header.
int pic_id
h264 pic_num (short -> no wrap version of pic_num, pic_num & max_pic_num; long -> long_pic_num) ...
Definition: mpegvideo.h:124
PutBitContext tex_pb
used for data partitioned VOPs
Definition: mpegvideo.h:552
int enhancement_type
Definition: mpegvideo.h:537
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:283
int linesize
line size, in bytes, may be different from width
Definition: mpegvideo.h:243
void mpeg1_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
Definition: mpeg12enc.c:666
Picture ** reordered_input_picture
pointer to the next pictures in codedorder for encoding
Definition: mpegvideo.h:247
uint8_t * temp_mb[2]
Definition: mpegvideo.h:152
int rl_table_index
Definition: mpegvideo.h:586
int chroma_qscale
chroma QP
Definition: mpegvideo.h:325
struct AVFrame f
Definition: mpegvideo.h:86
int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared)
Allocate a Picture.
Definition: mpegvideo.c:295
enum PixelFormat ff_pixfmt_list_420[]
Definition: mpegvideo.c:130
int mb_var_sum
sum of MB variance for current frame
Definition: mpegvideo.h:132
void ff_er_frame_start(MpegEncContext *s)
int flags
AVCodecContext.flags (HQ, MV4, ...)
Definition: mpegvideo.h:220
int mc_mb_var_sum
motion compensated MB variance for current frame
Definition: mpegvideo.h:133
uint16_t intra_matrix[64]
matrix transmitted in the bitstream
Definition: mpegvideo.h:421
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block)
int rv10_version
RV10 version: 0 or 3.
Definition: mpegvideo.h:575
int workaround_bugs
workaround bugs in encoders which cannot be detected automatically
Definition: mpegvideo.h:226
ScanTable inter_scantable
if inter == intra then intra should be used to reduce tha cache usage
Definition: mpegvideo.h:255
uint8_t * temp
Definition: mpegvideo.h:153
int32_t * mb_cmp_score
Table for MB cmp scores, for mb decision FIXME remove.
Definition: mpegvideo.h:137
int h263_long_vectors
use horrible h263v1 long vector mode
Definition: mpegvideo.h:341
int inter_quant_bias
bias for the quantizer
Definition: mpegvideo.h:427
uint8_t * pkt_swapped
Definition: mpegvideo.h:683
int mv_table_index
Definition: mpegvideo.h:585
int16_t(* b_direct_mv_table_base)[2]
Definition: mpegvideo.h:351
int b_code
backward MV resolution for B Frames (mpeg4)
Definition: mpegvideo.h:345
int h263_aic_dir
AIC direction: 0 = left, 1 = top.
Definition: mpegvideo.h:502
void(* dct_unquantize_h263_intra)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale)
Definition: mpegvideo.h:667
int dct_count[2]
Definition: mpegvideo.h:449
int uvlinesize
line size, for chroma in bytes, may be different from width
Definition: mpegvideo.h:244
int(* sub_motion_search)(struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)
Definition: mpegvideo.h:192
int dc_table_index
Definition: mpegvideo.h:588
void MPV_report_decode_progress(MpegEncContext *s)
Definition: mpegvideo.c:2902
unsigned int lambda
lagrange multipler used in rate distortion
Definition: mpegvideo.h:326
void * opaque
private data for the user
Definition: mpegvideo.h:452
DSPContext.
Definition: dsputil.h:226
uint16_t pb_time
time distance between the last b and p,s,i frame
Definition: mpegvideo.h:516
int MPV_lowest_referenced_row(MpegEncContext *s, int dir)
find the lowest MB row referenced in the MVs
Definition: mpegvideo.c:2184
int next_lambda
next lambda used for retrying to encode a frame
Definition: mpegvideo.h:457
bitstream writer API