FFmpeg
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 FFmpeg.
7  *
8  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /**
24  * @file
25  * mpegvideo header.
26  */
27 
28 #ifndef AVCODEC_MPEGVIDEO_H
29 #define AVCODEC_MPEGVIDEO_H
30 
31 #include <float.h>
32 
33 #include "avcodec.h"
34 #include "blockdsp.h"
35 #include "error_resilience.h"
36 #include "fdctdsp.h"
37 #include "get_bits.h"
38 #include "h264chroma.h"
39 #include "h263dsp.h"
40 #include "hpeldsp.h"
41 #include "idctdsp.h"
42 #include "internal.h"
43 #include "me_cmp.h"
44 #include "motion_est.h"
45 #include "mpegpicture.h"
46 #include "mpegvideodsp.h"
47 #include "mpegvideoencdsp.h"
48 #include "mpegvideodata.h"
49 #include "pixblockdsp.h"
50 #include "put_bits.h"
51 #include "ratecontrol.h"
52 #include "parser.h"
53 #include "mpegutils.h"
54 #include "mpeg12data.h"
55 #include "qpeldsp.h"
56 #include "thread.h"
57 #include "videodsp.h"
58 
59 #include "libavutil/opt.h"
60 #include "libavutil/timecode.h"
61 
62 #define MAX_THREADS 32
63 
64 #define MAX_B_FRAMES 16
65 
66 /* Start codes. */
67 #define SEQ_END_CODE 0x000001b7
68 #define SEQ_START_CODE 0x000001b3
69 #define GOP_START_CODE 0x000001b8
70 #define PICTURE_START_CODE 0x00000100
71 #define SLICE_MIN_START_CODE 0x00000101
72 #define SLICE_MAX_START_CODE 0x000001af
73 #define EXT_START_CODE 0x000001b5
74 #define USER_START_CODE 0x000001b2
75 #define SLICE_START_CODE 0x000001b7
76 
77 
78 /**
79  * MpegEncContext.
80  */
81 typedef struct MpegEncContext {
82  AVClass *class;
83 
85  int ac_pred;
86  int block_last_index[12]; ///< last non zero coefficient in block
87  int h263_aic; ///< Advanced INTRA Coding (AIC)
88 
89  /* scantables */
90  ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce the cache usage
94 
95  /* WARNING: changes above this line require updates to hardcoded
96  * offsets used in ASM. */
97 
99  /* the following parameters must be initialized before encoding */
100  int width, height;///< picture size. must be a multiple of 16
101  int gop_size;
102  int intra_only; ///< if true, only intra pictures are generated
103  int64_t bit_rate; ///< wanted bit rate
104  enum OutputFormat out_format; ///< output format
105  int h263_pred; ///< use MPEG-4/H.263 ac/dc predictions
106  int pb_frame; ///< PB-frame mode (0 = none, 1 = base, 2 = improved)
107 
108 /* the following codec id fields are deprecated in favor of codec_id */
109  int h263_plus; ///< H.263+ headers
110  int h263_flv; ///< use flv H.263 header
111 
112  enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */
113  int fixed_qscale; ///< fixed qscale if non zero
114  int encoding; ///< true if we are encoding (vs decoding)
115  int max_b_frames; ///< max number of B-frames for encoding
118  int strict_std_compliance; ///< strictly follow the std (MPEG-4, ...)
119  int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
120  int codec_tag; ///< internal codec_tag upper case converted from avctx codec_tag
121  /* the following fields are managed internally by the encoder */
122 
123  /* sequence parameters */
125  int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
126  int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else
127  int picture_number; //FIXME remove, unclear definition
128  int picture_in_gop_number; ///< 0-> first pic in gop, ...
129  int mb_width, mb_height; ///< number of MBs horizontally & vertically
130  int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
131  int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
132  int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replication)
133  int mb_num; ///< number of MBs of a picture
134  ptrdiff_t linesize; ///< line size, in bytes, may be different from width
135  ptrdiff_t uvlinesize; ///< line size, for chroma in bytes, may be different from width
136  Picture *picture; ///< main picture buffer
137  Picture **input_picture; ///< next pictures on display order for encoding
138  Picture **reordered_input_picture; ///< pointer to the next pictures in coded order for encoding
139 
140  int64_t user_specified_pts; ///< last non-zero pts from AVFrame which was passed into avcodec_send_frame()
141  /**
142  * pts difference between the first and second input frame, used for
143  * calculating dts of the first frame when there's a delay */
144  int64_t dts_delta;
145  /**
146  * reordered pts to be used as dts for the next output frame when there's
147  * a delay */
148  int64_t reordered_pts;
149 
150  /** bit output */
152 
153  int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
154  int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
156  int slice_context_count; ///< number of used thread_contexts
157 
158  /**
159  * copy of the previous picture structure.
160  * note, linesize & data, might not match the previous picture (for field pictures)
161  */
163 
164  /**
165  * copy of the next picture structure.
166  * note, linesize & data, might not match the next picture (for field pictures)
167  */
169 
170  /**
171  * copy of the source picture structure for encoding.
172  * note, linesize & data, might not match the source picture (for field pictures)
173  */
175 
176  /**
177  * copy of the current picture structure.
178  * note, linesize & data, might not match the current picture (for field pictures)
179  */
180  Picture current_picture; ///< buffer to store the decompressed current picture
181 
182  Picture *last_picture_ptr; ///< pointer to the previous picture.
183  Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
184  Picture *current_picture_ptr; ///< pointer to the current picture
185  int last_dc[3]; ///< last DC values for MPEG-1
186  int16_t *dc_val_base;
187  int16_t *dc_val[3]; ///< used for MPEG-4 DC prediction, all 3 arrays must be continuous
188  const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
189  const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
190  const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (H.263)
192  uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
193  int16_t (*ac_val_base)[16];
194  int16_t (*ac_val[3])[16]; ///< used for MPEG-4 AC prediction, all 3 arrays must be continuous
195  int mb_skipped; ///< MUST BE SET only during DECODING
196  uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example)
197  and used for B-frame encoding & decoding (contains skip table of next P-frame) */
198  uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
199  uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding
200  uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding
201 
203 
204  int qscale; ///< QP
205  int chroma_qscale; ///< chroma QP
206  unsigned int lambda; ///< Lagrange multiplier used in rate distortion
207  unsigned int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT
209  int adaptive_quant; ///< use adaptive quantization
210  int dquant; ///< qscale difference to prev qscale
211  int closed_gop; ///< MPEG1/2 GOP is closed
212  int pict_type; ///< AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
214  int last_pict_type; //FIXME removes
215  int last_non_b_pict_type; ///< used for MPEG-4 gmc B-frames & ratecontrol
219  int last_lambda_for[5]; ///< last lambda for a specific pict type
220  int skipdct; ///< skip dct and code zero residual
221 
222  /* motion compensation */
223  int unrestricted_mv; ///< mv can point outside of the coded picture
224  int h263_long_vectors; ///< use horrible H.263v1 long vector mode
225 
238  int f_code; ///< forward MV resolution
239  int b_code; ///< backward MV resolution for B-frames (MPEG-4)
240  int16_t (*p_mv_table_base)[2];
241  int16_t (*b_forw_mv_table_base)[2];
242  int16_t (*b_back_mv_table_base)[2];
245  int16_t (*b_direct_mv_table_base)[2];
246  int16_t (*p_field_mv_table_base[2][2])[2];
247  int16_t (*b_field_mv_table_base[2][2][2])[2];
248  int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) P-frame encoding
249  int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode B-frame encoding
250  int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode B-frame encoding
251  int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode B-frame encoding
252  int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode B-frame encoding
253  int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode B-frame encoding
254  int16_t (*p_field_mv_table[2][2])[2]; ///< MV table (2MV per MB) interlaced P-frame encoding
255  int16_t (*b_field_mv_table[2][2][2])[2];///< MV table (4MV per MB) interlaced B-frame encoding
256  uint8_t (*p_field_select_table[2]);
257  uint8_t (*b_field_select_table[2][2]);
258  int motion_est; ///< ME algorithm
260  int me_pre; ///< prepass for motion estimation
261  int mv_dir;
262 #define MV_DIR_FORWARD 1
263 #define MV_DIR_BACKWARD 2
264 #define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (MPEG-4)
265  int mv_type;
266 #define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
267 #define MV_TYPE_8X8 1 ///< 4 vectors (H.263, MPEG-4 4MV)
268 #define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block
269 #define MV_TYPE_FIELD 3 ///< 2 vectors, one per field
270 #define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors
271  /**motion vectors for a macroblock
272  first coordinate : 0 = forward 1 = backward
273  second " : depend on type
274  third " : 0 = x, 1 = y
275  */
276  int mv[2][4][2];
277  int field_select[2][2];
278  int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG-1 & B-frame MPEG-4
279  const uint8_t *fcode_tab; ///< smallest fcode needed for each MV
280  int16_t direct_scale_mv[2][64]; ///< precomputed to avoid divisions in ff_mpeg4_set_direct_mv
281 
283 
284  int no_rounding; /**< apply no rounding to motion compensation (MPEG-4, msmpeg4, ...)
285  for B-frames rounding mode is always 0 */
286 
287  /* macroblock layer */
288  int mb_x, mb_y;
290  int mb_intra;
291  uint16_t *mb_type; ///< Table for candidate MB types for encoding (defines in mpegutils.h)
292 
293  int block_index[6]; ///< index to current MB in block based arrays with edges
294  int block_wrap[6];
295  uint8_t *dest[3];
296 
297  int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride
298 
299  /** matrix transmitted in the bitstream */
300  uint16_t intra_matrix[64];
301  uint16_t chroma_intra_matrix[64];
302  uint16_t inter_matrix[64];
303  uint16_t chroma_inter_matrix[64];
304  int force_duplicated_matrix; ///< Force duplication of mjpeg matrices, useful for rtp streaming
305 
306  int intra_quant_bias; ///< bias for the quantizer
307  int inter_quant_bias; ///< bias for the quantizer
308  int min_qcoeff; ///< minimum encodable coefficient
309  int max_qcoeff; ///< maximum encodable coefficient
310  int ac_esc_length; ///< num of bits needed to encode the longest esc
318 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
319 
320  int coded_score[12];
321 
322  /** precomputed matrix (combine qscale and DCT renorm) */
326  /** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
327  uint16_t (*q_intra_matrix16)[2][64];
328  uint16_t (*q_chroma_intra_matrix16)[2][64];
329  uint16_t (*q_inter_matrix16)[2][64];
330 
331  /* noise reduction */
333  int dct_count[2];
334  uint16_t (*dct_offset)[64];
335 
336  /* bit rate control */
337  int64_t total_bits;
338  int frame_bits; ///< bits used for the current frame
339  int stuffing_bits; ///< bits used for stuffing
340  int next_lambda; ///< next lambda used for retrying to encode a frame
341  RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c
342 
343  /* statistics, used for 2-pass encoding */
344  int mv_bits;
348  int i_count;
349  int f_count;
350  int b_count;
352  int misc_bits; ///< cbp, mb_type
353  int last_bits; ///< temp var used for calculating the above vars
354 
355  /* error concealment / resync */
356  int resync_mb_x; ///< x position of last resync marker
357  int resync_mb_y; ///< y position of last resync marker
358  GetBitContext last_resync_gb; ///< used to search for the next resync marker
359  int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only)
360  int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed B-frames
361 
363 
364  /* H.263 specific */
366  int obmc; ///< overlapped block motion compensation
367  int mb_info; ///< interval for outputting info about mb offsets as side data
369  uint8_t *mb_info_ptr;
371  int ehc_mode;
372 
373  /* H.263+ specific */
374  int umvplus; ///< == H.263+ && unrestricted_mv
375  int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
377  int alt_inter_vlc; ///< alternative inter vlc
381 
382  /* MPEG-4 specific */
385  ///< number of bits to represent the fractional part of time (encoder only)
388  int time_base; ///< time in seconds of last I,P,S Frame
389  int64_t time; ///< time of current frame
391  uint16_t pp_time; ///< time distance between the last 2 p,s,i frames
392  uint16_t pb_time; ///< time distance between the last b and p,s,i frame
393  uint16_t pp_field_time;
394  uint16_t pb_field_time; ///< like above, just for interlaced
396  int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
397  int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
398  int mcsel;
400  int quarter_sample; ///< 1->qpel, 0->half pel ME/MC
401  int aspect_ratio_info; //FIXME remove
403  int data_partitioning; ///< data partitioning flag from header
404  int partitioned_frame; ///< is current frame partitioned
405  int low_delay; ///< no reordering needed / has no B-frames
406  int vo_type;
407  PutBitContext tex_pb; ///< used for data partitioned VOPs
408  PutBitContext pb2; ///< used for data partitioned VOPs
410  int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG-4
411 
412  /* divx specific, used to workaround (many) bugs in divx5 */
414  uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
417 
418  /* RV10 specific */
419  int rv10_version; ///< RV10 version: 0 or 3
421 
422  /* MJPEG specific */
424  int esc_pos;
425  int pred;
426  int huffman;
427 
428  /* MSMPEG4 specific */
434  int slice_height; ///< in macroblocks
435  int first_slice_line; ///< used in MPEG-4 too to handle resync markers
437  int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
441  /** [mb_intra][isChroma][level][run][last] */
442  int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
444  int mspel;
445 
446  /* SpeedHQ specific */
448 
449  /* decompression specific */
451 
452  /* MPEG-1 specific */
453  int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & MPEG-1 specific
454  int last_mv_dir; ///< last mv_dir, used for B-frame encoding
455  uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
456 
457  /* MPEG-2-specific - I wished not to have to support this mess. */
459  int mpeg_f_code[2][2];
460  int a53_cc;
461 
462  // picture structure defines are loaded from mpegutils.h
464 
465  int64_t timecode_frame_start; ///< GOP timecode frame start number, in non drop frame format
476 #define VIDEO_FORMAT_COMPONENT 0
477 #define VIDEO_FORMAT_PAL 1
478 #define VIDEO_FORMAT_NTSC 2
479 #define VIDEO_FORMAT_SECAM 3
480 #define VIDEO_FORMAT_MAC 4
481 #define VIDEO_FORMAT_UNSPECIFIED 5
485 #define CHROMA_420 1
486 #define CHROMA_422 2
487 #define CHROMA_444 3
488  int chroma_x_shift;//depend on pix_format, that depend on chroma_format
490 
492  int full_pel[2];
494  int first_field; ///< is 1 for the first field of a field picture 0 otherwise
495  int drop_frame_timecode; ///< timecode is in drop frame format.
496  int scan_offset; ///< reserve space for SVCD scan offset user data.
497 
498  /* RTP specific */
499  int rtp_mode;
501 
502  char *tc_opt_str; ///< timecode option string
503  AVTimecode tc; ///< timecode context
504 
505  uint8_t *ptr_lastgob;
506  int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
507  int pack_pblocks; //xvmc needs to keep blocks without gaps.
508  int16_t (*pblocks[12])[64];
509 
510  int16_t (*block)[64]; ///< points to one of the following blocks
511  int16_t (*blocks)[12][64]; // for HQ mode we need to keep the best block
512  int (*decode_mb)(struct MpegEncContext *s, int16_t block[12][64]); // used by some codecs to avoid a switch()
513 
514  int32_t (*block32)[12][64];
515  int dpcm_direction; // 0 = DCT, 1 = DPCM top to bottom scan, -1 = DPCM bottom to top scan
516  int16_t (*dpcm_macroblock)[3][256];
517 
518 #define SLICE_OK 0
519 #define SLICE_ERROR -1
520 #define SLICE_END -2 ///<end marker found
521 #define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
522 
524  int16_t *block/*align 16*/, int n, int qscale);
526  int16_t *block/*align 16*/, int n, int qscale);
528  int16_t *block/*align 16*/, int n, int qscale);
530  int16_t *block/*align 16*/, int n, int qscale);
532  int16_t *block/*align 16*/, int n, int qscale);
534  int16_t *block/*align 16*/, int n, int qscale);
535  void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (MPEG-4 can use both)
536  int16_t *block/*align 16*/, int n, int qscale);
537  void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (MPEG-4 can use both)
538  int16_t *block/*align 16*/, int n, int qscale);
539  int (*dct_quantize)(struct MpegEncContext *s, int16_t *block/*align 16*/, int n, int qscale, int *overflow);
540  int (*fast_dct_quantize)(struct MpegEncContext *s, int16_t *block/*align 16*/, int n, int qscale, int *overflow);
541  void (*denoise_dct)(struct MpegEncContext *s, int16_t *block);
542 
543  int mpv_flags; ///< flags set by private options
545 
546  /**
547  * ratecontrol qmin qmax limiting method
548  * 0-> clipping, 1-> use a nice continuous function to limit qscale within qmin/qmax.
549  */
550  float rc_qsquish;
551  float rc_qmod_amp;
556  int lmin, lmax;
558 
559  char *rc_eq;
560 
561  /* temp buffers for rate control */
562  float *cplx_tab, *bits_tab;
563 
564  /* flag to indicate a reinitialization is required, e.g. after
565  * a frame size change */
567 
569 
571 
572  /* temporary frames used by b_frame_strategy = 2 */
576 
577  /* frame skip options for encoding */
582 
585 
588 
589 /* mpegvideo_enc common options */
590 #define FF_MPV_FLAG_SKIP_RD 0x0001
591 #define FF_MPV_FLAG_STRICT_GOP 0x0002
592 #define FF_MPV_FLAG_QP_RD 0x0004
593 #define FF_MPV_FLAG_CBP_RD 0x0008
594 #define FF_MPV_FLAG_NAQ 0x0010
595 #define FF_MPV_FLAG_MV0 0x0020
596 
597 #define FF_MPV_OPT_CMP_FUNC \
598 { "sad", "Sum of absolute differences, fast", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
599 { "sse", "Sum of squared errors", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
600 { "satd", "Sum of absolute Hadamard transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SATD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
601 { "dct", "Sum of absolute DCT transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
602 { "psnr", "Sum of squared quantization errors, low quality", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_PSNR }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
603 { "bit", "Number of bits needed for the block", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_BIT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
604 { "rd", "Rate distortion optimal, slow", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_RD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
605 { "zero", "Zero", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_ZERO }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
606 { "vsad", "Sum of absolute vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
607 { "vsse", "Sum of squared vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
608 { "nsse", "Noise preserving sum of squared differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_NSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
609 { "dct264", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT264 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
610 { "dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
611 { "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
612 { "msad", "Sum of absolute differences, median predicted", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_MEDIAN_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }
613 
614 #ifndef FF_MPV_OFFSET
615 #define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
616 #endif
617 #define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
618 #define FF_MPV_COMMON_OPTS \
619 FF_MPV_OPT_CMP_FUNC, \
620 { "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
621 { "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
622 { "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
623 { "qp_rd", "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
624 { "cbp_rd", "use rate distortion optimization for CBP", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
625 { "naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
626 { "mv0", "always try a mb with mv=<0,0>", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
627 { "luma_elim_threshold", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\
628  FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
629 { "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\
630  FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
631 { "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
632 { "error_rate", "Simulate errors in the bitstream to test error concealment.", \
633  FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
634 {"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \
635  FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \
636 {"rc_qmod_amp", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
637 {"rc_qmod_freq", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS}, \
638 {"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions " \
639  "defined in the section 'Expression Evaluation', the following functions are available: " \
640  "bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv " \
641  "fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.", \
642  FF_MPV_OFFSET(rc_eq), AV_OPT_TYPE_STRING, .flags = FF_MPV_OPT_FLAGS }, \
643 {"rc_init_cplx", "initial complexity for 1-pass encoding", FF_MPV_OFFSET(rc_initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
644 {"rc_buf_aggressivity", "currently useless", FF_MPV_OFFSET(rc_buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
645 {"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
646 {"lmin", "minimum Lagrange factor (VBR)", FF_MPV_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
647 {"lmax", "maximum Lagrange factor (VBR)", FF_MPV_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
648 {"ibias", "intra quant bias", FF_MPV_OFFSET(intra_quant_bias), AV_OPT_TYPE_INT, {.i64 = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
649 {"pbias", "inter quant bias", FF_MPV_OFFSET(inter_quant_bias), AV_OPT_TYPE_INT, {.i64 = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
650 {"motion_est", "motion estimation algorithm", FF_MPV_OFFSET(motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_XONE, FF_MPV_OPT_FLAGS, "motion_est" }, \
651 { "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
652 { "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
653 { "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
654 {"skip_threshold", "Frame skip threshold", FF_MPV_OFFSET(frame_skip_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
655 {"skip_factor", "Frame skip factor", FF_MPV_OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
656 {"skip_exp", "Frame skip exponent", FF_MPV_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
657 {"skip_cmp", "Frame skip compare function", FF_MPV_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
658 {"sc_threshold", "Scene change threshold", FF_MPV_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
659 {"noise_reduction", "Noise reduction", FF_MPV_OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
660 {"ps", "RTP payload size in bytes", FF_MPV_OFFSET(rtp_payload_size), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
661 {"mepc", "Motion estimation bitrate penalty compensation (1.0 = 256)", FF_MPV_OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
662 {"mepre", "pre motion estimation", FF_MPV_OFFSET(me_pre), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
663 {"intra_penalty", "Penalty for intra blocks in block decision", FF_MPV_OFFSET(intra_penalty), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX/2, FF_MPV_OPT_FLAGS }, \
664 
665 #define FF_MPV_COMMON_BFRAME_OPTS \
666 {"b_strategy", "Strategy to choose between I/P/B-frames", FF_MPV_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, FF_MPV_OPT_FLAGS }, \
667 {"b_sensitivity", "Adjust sensitivity of b_frame_strategy 1", FF_MPV_OFFSET(b_sensitivity), AV_OPT_TYPE_INT, {.i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS }, \
668 {"brd_scale", "Downscale frames for dynamic B-frame decision", FF_MPV_OFFSET(brd_scale), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS },
669 
670 #if FF_API_MPEGVIDEO_OPTS
671 #define FF_MPV_DEPRECATED_MPEG_QUANT_OPT \
672  { "mpeg_quant", "Deprecated, does nothing", FF_MPV_OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 0, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
673 #define FF_MPV_DEPRECATED_A53_CC_OPT \
674  { "a53cc", "Deprecated, does nothing", FF_MPV_OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
675 #define FF_MPV_DEPRECATED_MATRIX_OPT \
676  { "force_duplicated_matrix", "Deprecated, does nothing", FF_MPV_OFFSET(force_duplicated_matrix), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
677 #define FF_MPV_DEPRECATED_BFRAME_OPTS \
678  { "b_strategy", "Deprecated, does nothing", FF_MPV_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED }, \
679  { "b_sensitivity", "Deprecated, does nothing", FF_MPV_OFFSET(b_sensitivity), AV_OPT_TYPE_INT, { .i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED }, \
680  { "brd_scale", "Deprecated, does nothing", FF_MPV_OFFSET(brd_scale), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
681 #endif
682 
683 extern const AVClass ff_mpv_enc_class;
684 
685 /**
686  * Set the given MpegEncContext to common defaults (same for encoding
687  * and decoding). The changed fields will not depend upon the prior
688  * state of the MpegEncContext.
689  */
691 
693 
701 
704 
706 void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64]);
708 
711 
714 
717  const AVFrame *frame, int *got_packet);
718 int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t size_increase);
719 
721 void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h);
723 
725 
726 int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type);
727 
728 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
729 
732 void ff_set_qscale(MpegEncContext * s, int qscale);
733 
736 void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16)[2][64],
737  const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
738 int ff_dct_quantize_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);
739 void ff_block_permute(int16_t *block, uint8_t *permutation,
740  const uint8_t *scantable, int last);
742 
744  uint8_t *dest_y, uint8_t *dest_cb,
745  uint8_t *dest_cr, int dir,
746  uint8_t **ref_picture,
747  op_pixels_func (*pix_op)[4],
748  qpel_mc_func (*qpix_op)[16]);
749 
751  const int bytes_per_pixel = 1 + (s->avctx->bits_per_raw_sample > 8);
752  const int block_size= (8*bytes_per_pixel) >> s->avctx->lowres;
753 
754  s->block_index[0]+=2;
755  s->block_index[1]+=2;
756  s->block_index[2]+=2;
757  s->block_index[3]+=2;
758  s->block_index[4]++;
759  s->block_index[5]++;
760  s->dest[0]+= 2*block_size;
761  s->dest[1]+= (2 >> s->chroma_x_shift) * block_size;
762  s->dest[2]+= (2 >> s->chroma_x_shift) * block_size;
763 }
764 
765 static inline int get_bits_diff(MpegEncContext *s){
766  const int bits= put_bits_count(&s->pb);
767  const int last= s->last_bits;
768 
769  s->last_bits = bits;
770 
771  return bits - last;
772 }
773 
774 static inline int mpeg_get_qscale(MpegEncContext *s)
775 {
776  int qscale = get_bits(&s->gb, 5);
777  if (s->q_scale_type)
779  else
780  return qscale << 1;
781 }
782 
783 #endif /* AVCODEC_MPEGVIDEO_H */
MpegEncContext::i_count
int i_count
Definition: mpegvideo.h:348
MpegEncContext::h264chroma
H264ChromaContext h264chroma
Definition: mpegvideo.h:228
ratecontrol.h
MpegEncContext::picture
Picture * picture
main picture buffer
Definition: mpegvideo.h:136
MpegEncContext::mb_skipped
int mb_skipped
MUST BE SET only during DECODING.
Definition: mpegvideo.h:195
MpegEncContext::mb_type
uint16_t * mb_type
Table for candidate MB types for encoding (defines in mpegutils.h)
Definition: mpegvideo.h:291
MpegEncContext::h263_flv
int h263_flv
use flv H.263 header
Definition: mpegvideo.h:110
MpegEncContext::q_intra_matrix16
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:327
MpegEncContext::rtp_payload_size
int rtp_payload_size
Definition: mpegvideo.h:500
ff_mpeg_flush
void ff_mpeg_flush(AVCodecContext *avctx)
Definition: mpegvideo.c:2300
MpegEncContext::b_field_select_table
uint8_t *[2][2] b_field_select_table
Definition: mpegvideo.h:257
MpegEncContext::progressive_sequence
int progressive_sequence
Definition: mpegvideo.h:458
MpegEncContext::swap_uv
int swap_uv
Definition: mpegvideo.h:506
MpegEncContext::luma_elim_threshold
int luma_elim_threshold
Definition: mpegvideo.h:116
MpegEncContext::data_partitioning
int data_partitioning
data partitioning flag from header
Definition: mpegvideo.h:403
MpegEncContext::stuffing_bits
int stuffing_bits
bits used for stuffing
Definition: mpegvideo.h:339
ff_mpeg_update_thread_context
int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
Definition: mpegvideo.c:524
MpegEncContext::dct_unquantize_mpeg1_intra
void(* dct_unquantize_mpeg1_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:523
MpegEncContext::lambda
unsigned int lambda
Lagrange multiplier used in rate distortion.
Definition: mpegvideo.h:206
MpegEncContext::a53_cc
int a53_cc
Definition: mpegvideo.h:460
blockdsp.h
opt.h
MpegEncContext::scan_offset
int scan_offset
reserve space for SVCD scan offset user data.
Definition: mpegvideo.h:496
MpegEncContext::quantizer_noise_shaping
int quantizer_noise_shaping
Definition: mpegvideo.h:544
MpegEncContext::b_code
int b_code
backward MV resolution for B-frames (MPEG-4)
Definition: mpegvideo.h:239
ff_mpv_export_qp_table
int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
Definition: mpegvideo.c:1420
MpegEncContext::rc_initial_cplx
float rc_initial_cplx
Definition: mpegvideo.h:553
MpegEncContext::frame_rate_index
int frame_rate_index
Definition: mpegvideo.h:217
MpegEncContext::gb
GetBitContext gb
Definition: mpegvideo.h:450
MpegEncContext::inter_intra_pred
int inter_intra_pred
Definition: mpegvideo.h:443
MpegEncContext::top_field_first
int top_field_first
Definition: mpegvideo.h:468
MpegEncContext::input_picture_number
int input_picture_number
used to set pic->display_picture_number, should not be used for/by anything else
Definition: mpegvideo.h:125
MpegEncContext::dct_unquantize_h263_inter
void(* dct_unquantize_h263_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:533
MpegEncContext::total_bits
int64_t total_bits
Definition: mpegvideo.h:337
MpegEncContext::pp_time
uint16_t pp_time
time distance between the last 2 p,s,i frames
Definition: mpegvideo.h:391
MpegEncContext::rc_context
RateControlContext rc_context
contains stuff only accessed in ratecontrol.c
Definition: mpegvideo.h:341
MpegEncContext::intra_quant_bias
int intra_quant_bias
bias for the quantizer
Definition: mpegvideo.h:306
MpegEncContext::max_b_frames
int max_b_frames
max number of B-frames for encoding
Definition: mpegvideo.h:115
MpegEncContext::block_index
int block_index[6]
index to current MB in block based arrays with edges
Definition: mpegvideo.h:293
mpeg_get_qscale
static int mpeg_get_qscale(MpegEncContext *s)
Definition: mpegvideo.h:774
MpegEncContext::frame_skip_exp
int frame_skip_exp
Definition: mpegvideo.h:580
MpegEncContext::force_duplicated_matrix
int force_duplicated_matrix
Force duplication of mjpeg matrices, useful for rtp streaming.
Definition: mpegvideo.h:304
MotionEstContext
Motion estimation context.
Definition: motion_est.h:47
MpegEncContext::coded_picture_number
int coded_picture_number
used to set pic->coded_picture_number, should not be used for/by anything else
Definition: mpegvideo.h:126
ff_block_permute
void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last)
Permute an 8x8 block according to permutation.
Definition: mpegvideo_enc.c:4478
MAX_RUN
#define MAX_RUN
Definition: rl.h:35
MpegEncContext::slice_height
int slice_height
in macroblocks
Definition: mpegvideo.h:434
MpegEncContext::current_picture
Picture current_picture
copy of the current picture structure.
Definition: mpegvideo.h:180
MpegEncContext::bits_tab
float * bits_tab
Definition: mpegvideo.h:562
MpegEncContext::partitioned_frame
int partitioned_frame
is current frame partitioned
Definition: mpegvideo.h:404
MpegEncContext::y_dc_scale
int y_dc_scale
Definition: mpegvideo.h:84
MpegEncContext::tc
AVTimecode tc
timecode context
Definition: mpegvideo.h:503
MpegEncContext::dct_offset
uint16_t(* dct_offset)[64]
Definition: mpegvideo.h:334
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:303
MpegEncContext::mb_num
int mb_num
number of MBs of a picture
Definition: mpegvideo.h:133
MpegEncContext::ac_val_base
int16_t(* ac_val_base)[16]
Definition: mpegvideo.h:193
MpegEncContext::dct_unquantize_mpeg2_intra
void(* dct_unquantize_mpeg2_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:527
MpegEncContext::workaround_bugs
int workaround_bugs
workaround bugs in encoders which cannot be detected automatically
Definition: mpegvideo.h:119
MpegEncContext::huffman
int huffman
Definition: mpegvideo.h:426
MpegEncContext::reordered_pts
int64_t reordered_pts
reordered pts to be used as dts for the next output frame when there's a delay
Definition: mpegvideo.h:148
MpegEncContext::h263dsp
H263DSPContext h263dsp
Definition: mpegvideo.h:237
internal.h
MpegEncContext::f_count
int f_count
Definition: mpegvideo.h:349
MpegEncContext::inter_quant_bias
int inter_quant_bias
bias for the quantizer
Definition: mpegvideo.h:307
MpegEncContext::mb_width
int mb_width
Definition: mpegvideo.h:129
h263dsp.h
MpegEncContext::drop_frame_timecode
int drop_frame_timecode
timecode is in drop frame format.
Definition: mpegvideo.h:495
MpegEncContext::fcode_tab
const uint8_t * fcode_tab
smallest fcode needed for each MV
Definition: mpegvideo.h:279
MpegEncContext::next_picture
Picture next_picture
copy of the next picture structure.
Definition: mpegvideo.h:168
MpegEncContext::last_dc
int last_dc[3]
last DC values for MPEG-1
Definition: mpegvideo.h:185
MpegEncContext::intra_chroma_ac_vlc_length
uint8_t * intra_chroma_ac_vlc_length
Definition: mpegvideo.h:313
MpegEncContext::chroma_qscale
int chroma_qscale
chroma QP
Definition: mpegvideo.h:205
MpegEncContext::repeat_first_field
int repeat_first_field
Definition: mpegvideo.h:482
MpegEncContext::mv_table_index
int mv_table_index
Definition: mpegvideo.h:429
MpegEncContext::vbv_delay
int vbv_delay
Definition: mpegvideo.h:213
MpegEncContext::input_picture
Picture ** input_picture
next pictures on display order for encoding
Definition: mpegvideo.h:137
ff_mpeg2_non_linear_qscale
const uint8_t ff_mpeg2_non_linear_qscale[32]
Definition: mpegvideodata.c:26
MpegEncContext::ac_val
int16_t(*[3] ac_val)[16]
used for MPEG-4 AC prediction, all 3 arrays must be continuous
Definition: mpegvideo.h:194
MpegEncContext::gob_index
int gob_index
Definition: mpegvideo.h:365
MpegEncContext::fdsp
FDCTDSPContext fdsp
Definition: mpegvideo.h:227
ERContext
Definition: error_resilience.h:53
MpegEncContext::unrestricted_mv
int unrestricted_mv
mv can point outside of the coded picture
Definition: mpegvideo.h:223
float.h
MpegEncContext::dest
uint8_t * dest[3]
Definition: mpegvideo.h:295
MpegEncContext::avctx
struct AVCodecContext * avctx
Definition: mpegvideo.h:98
MpegEncContext::last_non_b_time
int64_t last_non_b_time
Definition: mpegvideo.h:390
MpegEncContext::ac_stats
int(* ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]
[mb_intra][isChroma][level][run][last]
Definition: mpegvideo.h:442
Picture
Picture.
Definition: mpegpicture.h:45
MpegEncContext::next_picture_ptr
Picture * next_picture_ptr
pointer to the next picture (for bidir pred)
Definition: mpegvideo.h:183
MpegEncContext::pb
PutBitContext pb
bit output
Definition: mpegvideo.h:151
MpegEncContext::mcsel
int mcsel
Definition: mpegvideo.h:398
MpegEncContext::vo_type
int vo_type
Definition: mpegvideo.h:406
MpegEncContext::mb_num_left
int mb_num_left
number of MBs left in this video packet (for partitioned Slices only)
Definition: mpegvideo.h:359
BlockDSPContext
Definition: blockdsp.h:34
MpegEncContext::height
int height
picture size. must be a multiple of 16
Definition: mpegvideo.h:100
mpegutils.h
MpegEncContext::fast_dct_quantize
int(* fast_dct_quantize)(struct MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
Definition: mpegvideo.h:540
MpegEncContext::dts_delta
int64_t dts_delta
pts difference between the first and second input frame, used for calculating dts of the first frame ...
Definition: mpegvideo.h:144
MpegEncContext::dct_unquantize_h263_intra
void(* dct_unquantize_h263_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:531
MpegEncContext::frame_skip_cmp
int frame_skip_cmp
Definition: mpegvideo.h:581
thread.h
MpegEncContext::last_resync_gb
GetBitContext last_resync_gb
used to search for the next resync marker
Definition: mpegvideo.h:358
MpegEncContext::mv
int mv[2][4][2]
motion vectors for a macroblock first coordinate : 0 = forward 1 = backward second " : depend...
Definition: mpegvideo.h:276
ScratchpadContext
Definition: mpegpicture.h:35
MpegEncContext::use_skip_mb_code
int use_skip_mb_code
Definition: mpegvideo.h:433
MpegVideoDSPContext
Definition: mpegvideodsp.h:28
MpegEncContext::out_format
enum OutputFormat out_format
output format
Definition: mpegvideo.h:104
MpegEncContext::esc_pos
int esc_pos
Definition: mpegvideo.h:424
MpegEncContext::border_masking
float border_masking
Definition: mpegvideo.h:555
MpegEncContext::time_base
int time_base
time in seconds of last I,P,S Frame
Definition: mpegvideo.h:388
MpegEncContext::mpeg_f_code
int mpeg_f_code[2][2]
Definition: mpegvideo.h:459
MpegEncContext::intra_scantable
ScanTable intra_scantable
Definition: mpegvideo.h:91
get_bits
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Definition: get_bits.h:380
FDCTDSPContext
Definition: fdctdsp.h:26
ParseContext
Definition: parser.h:28
MpegEncContext::mb_height
int mb_height
number of MBs horizontally & vertically
Definition: mpegvideo.h:129
MpegEncContext::pict_type
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
Definition: mpegvideo.h:212
MpegEncContext::h263_pred
int h263_pred
use MPEG-4/H.263 ac/dc predictions
Definition: mpegvideo.h:105
MpegEncContext::mbintra_table
uint8_t * mbintra_table
used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
Definition: mpegvideo.h:198
MpegEncContext::mpv_flags
int mpv_flags
flags set by private options
Definition: mpegvideo.h:543
MpegEncContext::chroma_y_shift
int chroma_y_shift
Definition: mpegvideo.h:489
MpegEncContext::intra_penalty
int intra_penalty
Definition: mpegvideo.h:586
MpegEncContext::picture_structure
int picture_structure
Definition: mpegvideo.h:463
MpegEncContext::intra_only
int intra_only
if true, only intra pictures are generated
Definition: mpegvideo.h:102
timecode.h
MpegEncContext::vdsp
VideoDSPContext vdsp
Definition: mpegvideo.h:236
MpegEncContext::padding_bug_score
int padding_bug_score
used to detect the VERY common padding bug in MPEG-4
Definition: mpegvideo.h:410
GetBitContext
Definition: get_bits.h:62
ff_convert_matrix
void ff_convert_matrix(MpegEncContext *s, 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:106
MpegEncContext::linesize
ptrdiff_t linesize
line size, in bytes, may be different from width
Definition: mpegvideo.h:134
MpegEncContext::bdsp
BlockDSPContext bdsp
Definition: mpegvideo.h:226
MpegEncContext::umvplus
int umvplus
== H.263+ && unrestricted_mv
Definition: mpegvideo.h:374
MpegEncContext::ptr_lastgob
uint8_t * ptr_lastgob
Definition: mpegvideo.h:505
MpegEncContext::width
int width
Definition: mpegvideo.h:100
ff_mpv_common_init_x86
void ff_mpv_common_init_x86(MpegEncContext *s)
Definition: mpegvideo.c:454
motion_est.h
MpegEncContext::p_field_mv_table_base
int16_t(*[2][2] p_field_mv_table_base)[2]
Definition: mpegvideo.h:246
MpegEncContext::b_bidir_forw_mv_table_base
int16_t(* b_bidir_forw_mv_table_base)[2]
Definition: mpegvideo.h:243
ff_mpv_idct_init
void ff_mpv_idct_init(MpegEncContext *s)
Definition: mpegvideo.c:331
MpegEncContext::gop_size
int gop_size
Definition: mpegvideo.h:101
MpegEncContext::frame_pred_frame_dct
int frame_pred_frame_dct
Definition: mpegvideo.h:467
MpegEncContext::q_intra_matrix
int(* q_intra_matrix)[64]
precomputed matrix (combine qscale and DCT renorm)
Definition: mpegvideo.h:323
MpegEncContext::i_tex_bits
int i_tex_bits
Definition: mpegvideo.h:346
MpegEncContext::pblocks
int16_t(*[12] pblocks)[64]
Definition: mpegvideo.h:508
RateControlContext
rate control context.
Definition: ratecontrol.h:63
pkt
AVPacket * pkt
Definition: movenc.c:59
H263DSPContext
Definition: h263dsp.h:26
MpegEncContext::pb_frame
int pb_frame
PB-frame mode (0 = none, 1 = base, 2 = improved)
Definition: mpegvideo.h:106
MpegEncContext::slice_start
int slice_start
Definition: mpegvideo.h:447
ff_set_qscale
void ff_set_qscale(MpegEncContext *s, int qscale)
set qscale and update qscale dependent variables.
Definition: mpegvideo.c:2331
MpegEncContext::coded_block
uint8_t * coded_block
used for coded block pattern prediction (msmpeg4v3, wmv1)
Definition: mpegvideo.h:192
MpegEncContext::pp_field_time
uint16_t pp_field_time
Definition: mpegvideo.h:393
s
#define s(width, name)
Definition: cbs_vp9.c:257
MpegEncContext::mpvencdsp
MpegvideoEncDSPContext mpvencdsp
Definition: mpegvideo.h:233
MpegEncContext::last_time_base
int last_time_base
Definition: mpegvideo.h:387
ff_mpv_encode_init
int ff_mpv_encode_init(AVCodecContext *avctx)
Definition: mpegvideo_enc.c:310
MpegEncContext::tc_opt_str
char * tc_opt_str
timecode option string
Definition: mpegvideo.h:502
MpegEncContext::me_penalty_compensation
int me_penalty_compensation
Definition: mpegvideo.h:259
MpegEncContext::mv_dir
int mv_dir
Definition: mpegvideo.h:261
MpegEncContext::h_edge_pos
int h_edge_pos
Definition: mpegvideo.h:132
MpegEncContext::b_back_mv_table
int16_t(* b_back_mv_table)[2]
MV table (1MV per MB) backward mode B-frame encoding.
Definition: mpegvideo.h:250
MpegEncContext::mb_skip_run
int mb_skip_run
Definition: mpegvideo.h:289
ff_mpv_common_defaults
void ff_mpv_common_defaults(MpegEncContext *s)
Set the given MpegEncContext to common defaults (same for encoding and decoding).
Definition: mpegvideo.c:676
MpegEncContext::b_sensitivity
int b_sensitivity
Definition: mpegvideo.h:575
MpegEncContext::bit_rate
int64_t bit_rate
wanted bit rate
Definition: mpegvideo.h:103
bits
uint8_t bits
Definition: vp3data.h:141
OutputFormat
OutputFormat
Definition: mpegutils.h:122
ff_mpv_encode_picture
int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: mpegvideo_enc.c:1708
MpegEncContext::max_qcoeff
int max_qcoeff
maximum encodable coefficient
Definition: mpegvideo.h:309
MpegEncContext::loop_filter
int loop_filter
Definition: mpegvideo.h:379
MpegEncContext::user_specified_pts
int64_t user_specified_pts
last non-zero pts from AVFrame which was passed into avcodec_send_frame()
Definition: mpegvideo.h:140
MpegEncContext::sprite_delta
int sprite_delta[2][2]
sprite_delta [isY][isMVY]
Definition: mpegvideo.h:397
get_bits.h
MpegEncContext::frame_bits
int frame_bits
bits used for the current frame
Definition: mpegvideo.h:338
MpegEncContext::denoise_dct
void(* denoise_dct)(struct MpegEncContext *s, int16_t *block)
Definition: mpegvideo.h:541
MpegEncContext::inter_ac_vlc_length
uint8_t * inter_ac_vlc_length
Definition: mpegvideo.h:315
MpegEncContext::b_count
int b_count
Definition: mpegvideo.h:350
MpegEncContext::divx_packed
int divx_packed
Definition: mpegvideo.h:413
MpegEncContext::aspect_ratio_info
int aspect_ratio_info
Definition: mpegvideo.h:401
MpegEncContext::b_field_mv_table_base
int16_t(*[2][2][2] b_field_mv_table_base)[2]
Definition: mpegvideo.h:247
MpegEncContext::brd_scale
int brd_scale
Definition: mpegvideo.h:471
MpegEncContext::dct_quantize
int(* dct_quantize)(struct MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
Definition: mpegvideo.h:539
f
#define f(width, name)
Definition: cbs_vp9.c:255
PutBitContext
Definition: put_bits.h:49
MpegEncContext::mb_stride
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
Definition: mpegvideo.h:130
MpegEncContext::bitstream_buffer_size
int bitstream_buffer_size
Definition: mpegvideo.h:415
MpegEncContext::low_delay
int low_delay
no reordering needed / has no B-frames
Definition: mpegvideo.h:405
MpegEncContext::b_direct_mv_table
int16_t(* b_direct_mv_table)[2]
MV table (1MV per MB) direct mode B-frame encoding.
Definition: mpegvideo.h:253
PixblockDSPContext
Definition: pixblockdsp.h:28
ff_mpv_frame_end
void ff_mpv_frame_end(MpegEncContext *s)
Definition: mpegvideo.c:1405
MpegEncContext::inter_ac_vlc_last_length
uint8_t * inter_ac_vlc_last_length
Definition: mpegvideo.h:316
ff_mpv_reconstruct_mb
void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64])
Definition: mpegvideo.c:2248
MECmpContext
Definition: me_cmp.h:53
MpegEncContext::prev_mb_info
int prev_mb_info
Definition: mpegvideo.h:368
MpegEncContext::pb2
PutBitContext pb2
used for data partitioned VOPs
Definition: mpegvideo.h:408
MpegEncContext::field_select
int field_select[2][2]
Definition: mpegvideo.h:277
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
MpegEncContext::chroma_420_type
int chroma_420_type
Definition: mpegvideo.h:483
ff_mpv_common_end
void ff_mpv_common_end(MpegEncContext *s)
Definition: mpegvideo.c:1111
MpegEncContext::mb_y
int mb_y
Definition: mpegvideo.h:288
MpegEncContext::h263_long_vectors
int h263_long_vectors
use horrible H.263v1 long vector mode
Definition: mpegvideo.h:224
MpegEncContext::dct_error_sum
int(* dct_error_sum)[64]
Definition: mpegvideo.h:332
MpegEncContext::f_code
int f_code
forward MV resolution
Definition: mpegvideo.h:238
MpegEncContext::header_bits
int header_bits
Definition: mpegvideo.h:345
MpegEncContext::h263_aic
int h263_aic
Advanced INTRA Coding (AIC)
Definition: mpegvideo.h:87
MpegEncContext::parse_context
ParseContext parse_context
Definition: mpegvideo.h:362
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
MpegEncContext::esc3_run_length
int esc3_run_length
Definition: mpegvideo.h:440
MpegEncContext::intra_chroma_ac_vlc_last_length
uint8_t * intra_chroma_ac_vlc_last_length
Definition: mpegvideo.h:314
MpegEncContext::p_mv_table
int16_t(* p_mv_table)[2]
MV table (1MV per MB) P-frame encoding.
Definition: mpegvideo.h:248
ff_dct_quantize_c
int ff_dct_quantize_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
Definition: mpegvideo_enc.c:4503
MpegEncContext::y_dc_scale_table
const uint8_t * y_dc_scale_table
qscale -> y_dc_scale table
Definition: mpegvideo.h:188
MpegEncContext::inter_matrix
uint16_t inter_matrix[64]
Definition: mpegvideo.h:302
MpegEncContext::mecc
MECmpContext mecc
Definition: mpegvideo.h:231
MpegEncContext::hdsp
HpelDSPContext hdsp
Definition: mpegvideo.h:229
src
#define src
Definition: vp8dsp.c:255
MpegEncContext::decode_mb
int(* decode_mb)(struct MpegEncContext *s, int16_t block[12][64])
Definition: mpegvideo.h:512
MpegEncContext::concealment_motion_vectors
int concealment_motion_vectors
Definition: mpegvideo.h:469
MpegEncContext::mb_info_ptr
uint8_t * mb_info_ptr
Definition: mpegvideo.h:369
MpegEncContext::mv_bits
int mv_bits
Definition: mpegvideo.h:344
MpegEncContext::rc_buffer_aggressivity
float rc_buffer_aggressivity
Definition: mpegvideo.h:554
ff_update_duplicate_context
int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
Definition: mpegvideo.c:499
MpegEncContext::b8_stride
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Definition: mpegvideo.h:131
qpeldsp.h
MpegEncContext::next_p_frame_damaged
int next_p_frame_damaged
set if the next p frame is damaged, to avoid showing trashed B-frames
Definition: mpegvideo.h:360
MpegEncContext::dct_unquantize_mpeg1_inter
void(* dct_unquantize_mpeg1_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:525
MpegEncContext::last_picture_ptr
Picture * last_picture_ptr
pointer to the previous picture.
Definition: mpegvideo.h:182
MpegEncContext::closed_gop
int closed_gop
MPEG1/2 GOP is closed.
Definition: mpegvideo.h:211
MpegEncContext::pdsp
PixblockDSPContext pdsp
Definition: mpegvideo.h:234
MpegEncContext::me
MotionEstContext me
Definition: mpegvideo.h:282
MpegEncContext::slice_context_count
int slice_context_count
number of used thread_contexts
Definition: mpegvideo.h:156
MpegEncContext::scenechange_threshold
int scenechange_threshold
Definition: mpegvideo.h:583
op_pixels_func
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
Definition: hpeldsp.h:38
MpegEncContext::pb_time
uint16_t pb_time
time distance between the last b and p,s,i frame
Definition: mpegvideo.h:392
MpegEncContext::q_inter_matrix16
uint16_t(* q_inter_matrix16)[2][64]
Definition: mpegvideo.h:329
MpegEncContext::quant_precision
int quant_precision
Definition: mpegvideo.h:399
qpel_mc_func
void(* qpel_mc_func)(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
Definition: qpeldsp.h:65
MpegEncContext::blocks
int16_t(* blocks)[12][64]
Definition: mpegvideo.h:511
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:47
MpegEncContext::idsp
IDCTDSPContext idsp
Definition: mpegvideo.h:230
MpegEncContext::c_dc_scale
int c_dc_scale
Definition: mpegvideo.h:84
MpegEncContext::b_bidir_forw_mv_table
int16_t(* b_bidir_forw_mv_table)[2]
MV table (1MV per MB) bidir mode B-frame encoding.
Definition: mpegvideo.h:251
MpegEncContext::strict_std_compliance
int strict_std_compliance
strictly follow the std (MPEG-4, ...)
Definition: mpegvideo.h:118
HpelDSPContext
Half-pel DSP context.
Definition: hpeldsp.h:45
MpegEncContext::pb_field_time
uint16_t pb_field_time
like above, just for interlaced
Definition: mpegvideo.h:394
MpegEncContext::coded_block_base
uint8_t * coded_block_base
Definition: mpegvideo.h:191
MAX_LEVEL
#define MAX_LEVEL
Definition: rl.h:36
MpegEncContext::me_pre
int me_pre
prepass for motion estimation
Definition: mpegvideo.h:260
MpegEncContext::timecode_frame_start
int64_t timecode_frame_start
GOP timecode frame start number, in non drop frame format.
Definition: mpegvideo.h:465
MpegEncContext::q_chroma_intra_matrix16
uint16_t(* q_chroma_intra_matrix16)[2][64]
Definition: mpegvideo.h:328
mpegvideodsp.h
MpegEncContext::mb_intra
int mb_intra
Definition: mpegvideo.h:290
MpegEncContext::mdsp
MpegVideoDSPContext mdsp
Definition: mpegvideo.h:232
MpegEncContext::min_qcoeff
int min_qcoeff
minimum encodable coefficient
Definition: mpegvideo.h:308
MpegEncContext::chroma_qscale_table
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (H.263)
Definition: mpegvideo.h:190
MpegEncContext::last_mb_info
int last_mb_info
Definition: mpegvideo.h:368
ff_mpv_common_init_axp
void ff_mpv_common_init_axp(MpegEncContext *s)
Definition: mpegvideo_alpha.c:106
MpegEncContext::qscale
int qscale
QP.
Definition: mpegvideo.h:204
MpegEncContext::first_slice_line
int first_slice_line
used in MPEG-4 too to handle resync markers
Definition: mpegvideo.h:435
MpegEncContext::frame_skip_factor
int frame_skip_factor
Definition: mpegvideo.h:579
MpegEncContext::intra_matrix
uint16_t intra_matrix[64]
matrix transmitted in the bitstream
Definition: mpegvideo.h:300
MpegEncContext::lambda2
unsigned int lambda2
(lambda*lambda) >> FF_LAMBDA_SHIFT
Definition: mpegvideo.h:207
MpegEncContext::adaptive_quant
int adaptive_quant
use adaptive quantization
Definition: mpegvideo.h:209
MpegEncContext::v_edge_pos
int v_edge_pos
horizontal / vertical position of the right/bottom edge (pixel replication)
Definition: mpegvideo.h:132
MpegEncContext::dct_count
int dct_count[2]
Definition: mpegvideo.h:333
ff_mpv_motion
void ff_mpv_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16])
Definition: mpegvideo_motion.c:974
MpegEncContext::tmp_frames
AVFrame * tmp_frames[MAX_B_FRAMES+2]
Definition: mpegvideo.h:573
MpegEncContext::b_frame_strategy
int b_frame_strategy
Definition: mpegvideo.h:574
MpegEncContext::qdsp
QpelDSPContext qdsp
Definition: mpegvideo.h:235
MpegEncContext::b_forw_mv_table
int16_t(* b_forw_mv_table)[2]
MV table (1MV per MB) forward mode B-frame encoding.
Definition: mpegvideo.h:249
MpegEncContext::sprite_warping_accuracy
int sprite_warping_accuracy
Definition: mpegvideo.h:402
h264chroma.h
MpegEncContext::intra_h_scantable
ScanTable intra_h_scantable
Definition: mpegvideo.h:92
MpegEncContext::interlaced_dct
int interlaced_dct
Definition: mpegvideo.h:493
MpegEncContext::error_rate
int error_rate
Definition: mpegvideo.h:570
MpegEncContext::encoding
int encoding
true if we are encoding (vs decoding)
Definition: mpegvideo.h:114
MpegEncContext::mbskip_table
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:196
MAX_THREADS
#define MAX_THREADS
Definition: mpegvideo.h:62
MpegEncContext::dc_val
int16_t * dc_val[3]
used for MPEG-4 DC prediction, all 3 arrays must be continuous
Definition: mpegvideo.h:187
MpegEncContext::quarter_sample
int quarter_sample
1->qpel, 0->half pel ME/MC
Definition: mpegvideo.h:400
MpegEncContext::context_initialized
int context_initialized
Definition: mpegvideo.h:124
MpegEncContext::p_mv_table_base
int16_t(* p_mv_table_base)[2]
Definition: mpegvideo.h:240
MpegEncContext::dct_precision
int dct_precision
number of bits to represent the fractional part of time (encoder only)
Definition: mpegvideo.h:384
MpegEncContext::q_chroma_intra_matrix
int(* q_chroma_intra_matrix)[64]
Definition: mpegvideo.h:324
MpegEncContext::b_direct_mv_table_base
int16_t(* b_direct_mv_table_base)[2]
Definition: mpegvideo.h:245
mpegpicture.h
mpegvideodata.h
MpegEncContext::rl_chroma_table_index
int rl_chroma_table_index
Definition: mpegvideo.h:431
MpegEncContext::picture_in_gop_number
int picture_in_gop_number
0-> first pic in gop, ...
Definition: mpegvideo.h:128
MpegEncContext::pred
int pred
Definition: mpegvideo.h:425
MpegEncContext::context_reinit
int context_reinit
Definition: mpegvideo.h:566
MpegEncContext::p_field_select_table
uint8_t *[2] p_field_select_table
Definition: mpegvideo.h:256
MpegEncContext::intra_ac_vlc_last_length
uint8_t * intra_ac_vlc_last_length
Definition: mpegvideo.h:312
ff_mpv_common_init
int ff_mpv_common_init(MpegEncContext *s)
init common structure for both encoder and decoder.
Definition: mpegvideo.c:913
ff_init_block_index
void ff_init_block_index(MpegEncContext *s)
Definition: mpegvideo.c:2267
MpegEncContext::full_pel
int full_pel[2]
Definition: mpegvideo.h:492
ff_update_block_index
static void ff_update_block_index(MpegEncContext *s)
Definition: mpegvideo.h:750
ff_mpeg_draw_horiz_band
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
Definition: mpegvideo.c:2260
MpegEncContext::block_last_index
int block_last_index[12]
last non zero coefficient in block
Definition: mpegvideo.h:86
MpegEncContext::real_sprite_warping_points
int real_sprite_warping_points
Definition: mpegvideo.h:395
MpegEncContext::chroma_elim_threshold
int chroma_elim_threshold
Definition: mpegvideo.h:117
MpegEncContext::dc_val_base
int16_t * dc_val_base
Definition: mpegvideo.h:186
MpegEncContext::current_picture_ptr
Picture * current_picture_ptr
pointer to the current picture
Definition: mpegvideo.h:184
MpegvideoEncDSPContext
Definition: mpegvideoencdsp.h:32
MpegEncContext::last_mv
int last_mv[2][2][2]
last MV, used for MV prediction in MPEG-1 & B-frame MPEG-4
Definition: mpegvideo.h:278
MpegEncContext::uvlinesize
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
Definition: mpegvideo.h:135
ff_dct_encode_init_x86
void ff_dct_encode_init_x86(MpegEncContext *s)
Definition: mpegvideoenc.c:214
MpegEncContext::progressive_frame
int progressive_frame
Definition: mpegvideo.h:491
MpegEncContext::allocated_bitstream_buffer_size
unsigned int allocated_bitstream_buffer_size
Definition: mpegvideo.h:416
MpegEncContext::chroma_inter_matrix
uint16_t chroma_inter_matrix[64]
Definition: mpegvideo.h:303
ff_print_debug_info
void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict)
Definition: mpegvideo.c:1413
put_bits_count
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:79
MpegEncContext::mjpeg_ctx
struct MJpegContext * mjpeg_ctx
Definition: mpegvideo.h:423
ff_mpv_reallocate_putbitbuffer
int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t size_increase)
Definition: mpegvideo_enc.c:2741
MpegEncContext::esc3_level_length
int esc3_level_length
Definition: mpegvideo.h:439
MpegEncContext::obmc
int obmc
overlapped block motion compensation
Definition: mpegvideo.h:366
ff_mpv_common_init_neon
void ff_mpv_common_init_neon(MpegEncContext *s)
Definition: mpegvideo.c:127
MpegEncContext::tex_pb
PutBitContext tex_pb
used for data partitioned VOPs
Definition: mpegvideo.h:407
MpegEncContext::mb_x
int mb_x
Definition: mpegvideo.h:288
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static const int32_t qmat16[MAT_SIZE]
Definition: hq_hqadata.c:342
ff_mpv_common_init_ppc
void ff_mpv_common_init_ppc(MpegEncContext *s)
Definition: mpegvideo_altivec.c:119
ff_mpv_encode_end
int ff_mpv_encode_end(AVCodecContext *avctx)
Definition: mpegvideo_enc.c:960
MpegEncContext::thread_context
struct MpegEncContext * thread_context[MAX_THREADS]
Definition: mpegvideo.h:155
MpegEncContext::b_bidir_back_mv_table
int16_t(* b_bidir_back_mv_table)[2]
MV table (1MV per MB) bidir mode B-frame encoding.
Definition: mpegvideo.h:252
MpegEncContext::sc
ScratchpadContext sc
Definition: mpegvideo.h:202
MpegEncContext::pack_pblocks
int pack_pblocks
Definition: mpegvideo.h:507
fdctdsp.h
MpegEncContext::dc_table_index
int dc_table_index
Definition: mpegvideo.h:432
MpegEncContext::rc_qmod_amp
float rc_qmod_amp
Definition: mpegvideo.h:551
MpegEncContext::intra_vlc_format
int intra_vlc_format
Definition: mpegvideo.h:472
parser.h
ff_mpv_frame_start
int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
generic function called after decoding the header and before a frame is decoded.
Definition: mpegvideo.c:1181
MpegEncContext::skipdct
int skipdct
skip dct and code zero residual
Definition: mpegvideo.h:220
MpegEncContext::er
ERContext er
Definition: mpegvideo.h:568
MpegEncContext::last_lambda_for
int last_lambda_for[5]
last lambda for a specific pict type
Definition: mpegvideo.h:219
MpegEncContext::vbv_delay_ptr
uint8_t * vbv_delay_ptr
pointer to vbv_delay in the bitstream
Definition: mpegvideo.h:455
MpegEncContext::b_forw_mv_table_base
int16_t(* b_forw_mv_table_base)[2]
Definition: mpegvideo.h:241
MpegEncContext::picture_number
int picture_number
Definition: mpegvideo.h:127
MpegEncContext::dct_unquantize_inter
void(* dct_unquantize_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:537
ff_mpv_encode_init_x86
void ff_mpv_encode_init_x86(MpegEncContext *s)
idctdsp.h
MpegEncContext::motion_est
int motion_est
ME algorithm.
Definition: mpegvideo.h:258
MpegEncContext::h263_slice_structured
int h263_slice_structured
Definition: mpegvideo.h:376
avcodec.h
ff_clean_intra_table_entries
void ff_clean_intra_table_entries(MpegEncContext *s)
Clean dc, ac, coded_block for the current non-intra MB.
Definition: mpegvideo.c:1904
MpegEncContext::fixed_qscale
int fixed_qscale
fixed qscale if non zero
Definition: mpegvideo.h:113
get_bits_diff
static int get_bits_diff(MpegEncContext *s)
Definition: mpegvideo.h:765
MpegEncContext::last_non_b_pict_type
int last_non_b_pict_type
used for MPEG-4 gmc B-frames & ratecontrol
Definition: mpegvideo.h:215
MpegEncContext::block32
int32_t(* block32)[12][64]
Definition: mpegvideo.h:514
frame
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
Definition: filter_design.txt:264
MpegEncContext::sprite_offset
int sprite_offset[2][2]
sprite offset[isChroma][isMVY]
Definition: mpegvideo.h:396
MpegEncContext::mspel
int mspel
Definition: mpegvideo.h:444
IDCTDSPContext
Definition: idctdsp.h:53
MpegEncContext::rv10_version
int rv10_version
RV10 version: 0 or 3.
Definition: mpegvideo.h:419
me_cmp.h
mpeg12data.h
ff_mpv_common_init_mips
void ff_mpv_common_init_mips(MpegEncContext *s)
Definition: mpegvideo_init_mips.c:26
MpegEncContext::p_field_mv_table
int16_t(*[2][2] p_field_mv_table)[2]
MV table (2MV per MB) interlaced P-frame encoding.
Definition: mpegvideo.h:254
MpegEncContext::block
int16_t(* block)[64]
points to one of the following blocks
Definition: mpegvideo.h:510
MpegEncContext::dquant
int dquant
qscale difference to prev qscale
Definition: mpegvideo.h:210
MpegEncContext::chroma_x_shift
int chroma_x_shift
Definition: mpegvideo.h:488
ff_dct_encode_init
int ff_dct_encode_init(MpegEncContext *s)
Definition: mpegvideo_enc.c:291
QpelDSPContext
quarterpel DSP context
Definition: qpeldsp.h:72
AVCodecContext
main external API structure.
Definition: avcodec.h:379
MpegEncContext::intra_dc_precision
int intra_dc_precision
Definition: mpegvideo.h:466
ff_mpv_decode_init
void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx)
Initialize the given MpegEncContext for decoding.
Definition: mpegvideo.c:699
MpegEncContext::per_mb_rl_table
int per_mb_rl_table
Definition: mpegvideo.h:438
MpegEncContext::seq_disp_ext
int seq_disp_ext
Definition: mpegvideo.h:474
MpegEncContext::skip_count
int skip_count
Definition: mpegvideo.h:351
MpegEncContext::flipflop_rounding
int flipflop_rounding
Definition: mpegvideo.h:436
MpegEncContext::ac_esc_length
int ac_esc_length
num of bits needed to encode the longest esc
Definition: mpegvideo.h:310
MpegEncContext::ehc_mode
int ehc_mode
Definition: mpegvideo.h:371
MpegEncContext::last_bits
int last_bits
temp var used for calculating the above vars
Definition: mpegvideo.h:353
MpegEncContext::dpcm_macroblock
int16_t(* dpcm_macroblock)[3][256]
Definition: mpegvideo.h:516
MpegEncContext::modified_quant
int modified_quant
Definition: mpegvideo.h:378
MpegEncContext::lmin
int lmin
Definition: mpegvideo.h:556
error_resilience.h
MpegEncContext::gop_picture_number
int gop_picture_number
index of the first picture of a GOP based on fake_pic_num & MPEG-1 specific
Definition: mpegvideo.h:453
MpegEncContext::rv10_first_dc_coded
int rv10_first_dc_coded[3]
Definition: mpegvideo.h:420
MpegEncContext::rc_eq
char * rc_eq
Definition: mpegvideo.h:559
mpegvideoencdsp.h
MpegEncContext::vbv_ignore_qmax
int vbv_ignore_qmax
Definition: mpegvideo.h:557
MpegEncContext::lmax
int lmax
Definition: mpegvideo.h:556
MpegEncContext::time
int64_t time
time of current frame
Definition: mpegvideo.h:389
MJpegContext
Holds JPEG frame data and Huffman table data.
Definition: mjpegenc.h:59
MpegEncContext::last_picture
Picture last_picture
copy of the previous picture structure.
Definition: mpegvideo.h:162
MpegEncContext::pred_dir_table
uint8_t * pred_dir_table
used to store pred_dir for partitioned decoding
Definition: mpegvideo.h:200
MpegEncContext::dct_unquantize_intra
void(* dct_unquantize_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:535
MpegEncContext::resync_mb_x
int resync_mb_x
x position of last resync marker
Definition: mpegvideo.h:356
MpegEncContext::mpeg2_frame_rate_ext
AVRational mpeg2_frame_rate_ext
Definition: mpegvideo.h:218
VideoDSPContext
Definition: videodsp.h:41
MpegEncContext::no_rounding
int no_rounding
apply no rounding to motion compensation (MPEG-4, msmpeg4, ...) for B-frames rounding mode is always ...
Definition: mpegvideo.h:284
MpegEncContext::h263_aic_dir
int h263_aic_dir
AIC direction: 0 = left, 1 = top.
Definition: mpegvideo.h:375
MpegEncContext::dpcm_direction
int dpcm_direction
Definition: mpegvideo.h:515
MpegEncContext::dct_unquantize_mpeg2_inter
void(* dct_unquantize_mpeg2_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:529
MpegEncContext::mpeg_quant
int mpeg_quant
Definition: mpegvideo.h:409
MpegEncContext::mb_info_size
int mb_info_size
Definition: mpegvideo.h:370
MpegEncContext::noise_reduction
int noise_reduction
Definition: mpegvideo.h:584
overflow
Undefined Behavior In the C some operations are like signed integer overflow
Definition: undefined.txt:3
MpegEncContext::inter_scantable
ScanTable inter_scantable
if inter == intra then intra should be used to reduce the cache usage
Definition: mpegvideo.h:90
MpegEncContext::luma_dc_vlc_length
uint8_t * luma_dc_vlc_length
Definition: mpegvideo.h:317
MpegEncContext::droppable
int droppable
Definition: mpegvideo.h:216
MpegEncContext::frame_skip_threshold
int frame_skip_threshold
Definition: mpegvideo.h:578
ScanTable
Scantable.
Definition: idctdsp.h:31
MpegEncContext::cbp_table
uint8_t * cbp_table
used to store cbp, ac_pred for partitioned decoding
Definition: mpegvideo.h:199
ff_mpv_common_init_arm
void ff_mpv_common_init_arm(MpegEncContext *s)
Definition: mpegvideo_arm.c:44
MpegEncContext::first_field
int first_field
is 1 for the first field of a field picture 0 otherwise
Definition: mpegvideo.h:494
MpegEncContext::q_scale_type
int q_scale_type
Definition: mpegvideo.h:470
H264ChromaContext
Definition: h264chroma.h:27
MpegEncContext::new_picture
Picture new_picture
copy of the source picture structure for encoding.
Definition: mpegvideo.h:174
AVPacket
This structure stores compressed data.
Definition: packet.h:350
ff_mpv_common_frame_size_change
int ff_mpv_common_frame_size_change(MpegEncContext *s)
Definition: mpegvideo.c:1055
MpegEncContext::last_mv_dir
int last_mv_dir
last mv_dir, used for B-frame encoding
Definition: mpegvideo.h:454
MpegEncContext::q_inter_matrix
int(* q_inter_matrix)[64]
Definition: mpegvideo.h:325
MAX_B_FRAMES
#define MAX_B_FRAMES
Definition: mpegvideo.h:64
videodsp.h
MpegEncContext::mb_info
int mb_info
interval for outputting info about mb offsets as side data
Definition: mpegvideo.h:367
MpegEncContext::next_lambda
int next_lambda
next lambda used for retrying to encode a frame
Definition: mpegvideo.h:340
MpegEncContext::reordered_input_picture
Picture ** reordered_input_picture
pointer to the next pictures in coded order for encoding
Definition: mpegvideo.h:138
int32_t
int32_t
Definition: audioconvert.c:56
MpegEncContext::coded_score
int coded_score[12]
Definition: mpegvideo.h:320
MpegEncContext::last_pict_type
int last_pict_type
Definition: mpegvideo.h:214
hpeldsp.h
MpegEncContext::msmpeg4_version
int msmpeg4_version
0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
Definition: mpegvideo.h:437
ff_write_quant_matrix
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix)
Definition: mpegvideo_enc.c:218
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
ff_mpv_enc_class
const AVClass ff_mpv_enc_class
Definition: mpegvideo_enc.c:99
MpegEncContext::misc_bits
int misc_bits
cbp, mb_type
Definition: mpegvideo.h:352
MpegEncContext::video_format
int video_format
Definition: mpegvideo.h:475
MpegEncContext::resync_mb_y
int resync_mb_y
y position of last resync marker
Definition: mpegvideo.h:357
h
h
Definition: vp9dsp_template.c:2038
MpegEncContext::end_mb_y
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:154
MpegEncContext::mb_index2xy
int * mb_index2xy
mb_index -> mb_x + mb_y*mb_stride
Definition: mpegvideo.h:297
MpegEncContext::rc_qsquish
float rc_qsquish
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continuous function to limit qscal...
Definition: mpegvideo.h:550
MpegEncContext::h263_plus
int h263_plus
H.263+ headers.
Definition: mpegvideo.h:109
MpegEncContext::start_mb_y
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:153
MpegEncContext::block_wrap
int block_wrap[6]
Definition: mpegvideo.h:294
MpegEncContext::b_back_mv_table_base
int16_t(* b_back_mv_table_base)[2]
Definition: mpegvideo.h:242
AVTimecode
Definition: timecode.h:41
MpegEncContext::alternate_scan
int alternate_scan
Definition: mpegvideo.h:473
MpegEncContext::cplx_tab
float * cplx_tab
Definition: mpegvideo.h:562
int
int
Definition: ffmpeg_filter.c:156
put_bits.h
MpegEncContext::custom_pcf
int custom_pcf
Definition: mpegvideo.h:380
MpegEncContext::direct_scale_mv
int16_t direct_scale_mv[2][64]
precomputed to avoid divisions in ff_mpeg4_set_direct_mv
Definition: mpegvideo.h:280
MpegEncContext::c_dc_scale_table
const uint8_t * c_dc_scale_table
qscale -> c_dc_scale table
Definition: mpegvideo.h:189
MpegEncContext
MpegEncContext.
Definition: mpegvideo.h:81
MpegEncContext::bitstream_buffer
uint8_t * bitstream_buffer
Definition: mpegvideo.h:414
MpegEncContext::codec_id
enum AVCodecID codec_id
Definition: mpegvideo.h:112
MpegEncContext::b_bidir_back_mv_table_base
int16_t(* b_bidir_back_mv_table_base)[2]
Definition: mpegvideo.h:244
MpegEncContext::alt_inter_vlc
int alt_inter_vlc
alternative inter vlc
Definition: mpegvideo.h:377
MpegEncContext::intra_ac_vlc_length
uint8_t * intra_ac_vlc_length
Definition: mpegvideo.h:311
ff_mpv_report_decode_progress
void ff_mpv_report_decode_progress(MpegEncContext *s)
Definition: mpegvideo.c:2345
MpegEncContext::p_tex_bits
int p_tex_bits
Definition: mpegvideo.h:347
MpegEncContext::b_field_mv_table
int16_t(*[2][2][2] b_field_mv_table)[2]
MV table (4MV per MB) interlaced B-frame encoding.
Definition: mpegvideo.h:255
MpegEncContext::intra_v_scantable
ScanTable intra_v_scantable
Definition: mpegvideo.h:93
pixblockdsp.h
MpegEncContext::chroma_intra_matrix
uint16_t chroma_intra_matrix[64]
Definition: mpegvideo.h:301
MpegEncContext::lambda_table
int * lambda_table
Definition: mpegvideo.h:208
MpegEncContext::rtp_mode
int rtp_mode
Definition: mpegvideo.h:499
MpegEncContext::rl_table_index
int rl_table_index
Definition: mpegvideo.h:430
MpegEncContext::chroma_format
int chroma_format
Definition: mpegvideo.h:484
MpegEncContext::time_increment_bits
int time_increment_bits
Definition: mpegvideo.h:386
MpegEncContext::studio_profile
int studio_profile
Definition: mpegvideo.h:383
MpegEncContext::rc_qmod_freq
int rc_qmod_freq
Definition: mpegvideo.h:552
MpegEncContext::ac_pred
int ac_pred
Definition: mpegvideo.h:85
MpegEncContext::codec_tag
int codec_tag
internal codec_tag upper case converted from avctx codec_tag
Definition: mpegvideo.h:120