FFmpeg
hevcdec.h
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1 /*
2  * HEVC video decoder
3  *
4  * Copyright (C) 2012 - 2013 Guillaume Martres
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 #ifndef AVCODEC_HEVCDEC_H
24 #define AVCODEC_HEVCDEC_H
25 
26 #include <stdatomic.h>
27 
28 #include "libavutil/buffer.h"
29 #include "libavutil/mem_internal.h"
30 
31 #include "avcodec.h"
32 #include "bswapdsp.h"
33 #include "cabac.h"
34 #include "dovi_rpu.h"
35 #include "get_bits.h"
36 #include "hevcpred.h"
37 #include "h2645_parse.h"
38 #include "hevc.h"
39 #include "hevc_ps.h"
40 #include "hevc_sei.h"
41 #include "hevcdsp.h"
42 #include "h274.h"
43 #include "threadframe.h"
44 #include "videodsp.h"
45 
46 #define SHIFT_CTB_WPP 2
47 
48 #define MAX_TB_SIZE 32
49 #define MAX_QP 51
50 #define DEFAULT_INTRA_TC_OFFSET 2
51 
52 #define HEVC_CONTEXTS 199
53 #define HEVC_STAT_COEFFS 4
54 
55 #define MRG_MAX_NUM_CANDS 5
56 
57 #define L0 0
58 #define L1 1
59 
60 #define EPEL_EXTRA_BEFORE 1
61 #define EPEL_EXTRA_AFTER 2
62 #define EPEL_EXTRA 3
63 #define QPEL_EXTRA_BEFORE 3
64 #define QPEL_EXTRA_AFTER 4
65 #define QPEL_EXTRA 7
66 
67 #define EDGE_EMU_BUFFER_STRIDE 80
68 
69 /**
70  * Value of the luma sample at position (x, y) in the 2D array tab.
71  */
72 #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
73 #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
74 
75 #define IS_IDR(s) ((s)->nal_unit_type == HEVC_NAL_IDR_W_RADL || (s)->nal_unit_type == HEVC_NAL_IDR_N_LP)
76 #define IS_BLA(s) ((s)->nal_unit_type == HEVC_NAL_BLA_W_RADL || (s)->nal_unit_type == HEVC_NAL_BLA_W_LP || \
77  (s)->nal_unit_type == HEVC_NAL_BLA_N_LP)
78 #define IS_IRAP(s) ((s)->nal_unit_type >= HEVC_NAL_BLA_W_LP && (s)->nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
79 
80 enum RPSType {
87 };
88 
139 };
140 
141 enum PartMode {
145  PART_NxN = 3,
150 };
151 
152 enum PredMode {
156 };
157 
159  PRED_L0 = 0,
162 };
163 
164 enum PredFlag {
165  PF_INTRA = 0,
169 };
170 
207 };
208 
209 enum SAOType {
214 };
215 
221 };
222 
223 enum ScanType {
227 };
228 
229 typedef struct HEVCCABACState {
233 
234 typedef struct LongTermRPS {
235  int poc[32];
236  uint8_t poc_msb_present[32];
237  uint8_t used[32];
238  uint8_t nb_refs;
239 } LongTermRPS;
240 
241 typedef struct RefPicList {
245  int nb_refs;
246 } RefPicList;
247 
248 typedef struct RefPicListTab {
250 } RefPicListTab;
251 
252 typedef struct SliceHeader {
253  unsigned int pps_id;
254 
255  ///< address (in raster order) of the first block in the current slice segment
256  unsigned int slice_segment_addr;
257  ///< address (in raster order) of the first block in the current slice
258  unsigned int slice_addr;
259 
261 
263 
268 
269  ///< RPS coded in the slice header itself is stored here
276  unsigned int list_entry_lx[2][32];
277 
281 
282  unsigned int nb_refs[2];
283 
286 
288  uint8_t disable_deblocking_filter_flag; ///< slice_header_disable_deblocking_filter_flag
291 
292  unsigned int collocated_ref_idx;
293 
297 
301 
303 
304  int beta_offset; ///< beta_offset_div2 * 2
305  int tc_offset; ///< tc_offset_div2 * 2
306 
307  uint8_t max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
309 
311  int * offset;
312  int * size;
314 
315  int8_t slice_qp;
316 
319 
320  int16_t luma_weight_l0[16];
321  int16_t chroma_weight_l0[16][2];
322  int16_t chroma_weight_l1[16][2];
323  int16_t luma_weight_l1[16];
324 
325  int16_t luma_offset_l0[16];
326  int16_t chroma_offset_l0[16][2];
327 
328  int16_t luma_offset_l1[16];
329  int16_t chroma_offset_l1[16][2];
330 
332 } SliceHeader;
333 
334 typedef struct CodingUnit {
335  int x;
336  int y;
337 
338  enum PredMode pred_mode; ///< PredMode
339  enum PartMode part_mode; ///< PartMode
340 
341  // Inferred parameters
342  uint8_t intra_split_flag; ///< IntraSplitFlag
343  uint8_t max_trafo_depth; ///< MaxTrafoDepth
345 } CodingUnit;
346 
347 typedef struct Mv {
348  int16_t x; ///< horizontal component of motion vector
349  int16_t y; ///< vertical component of motion vector
350 } Mv;
351 
352 typedef struct MvField {
354  int8_t ref_idx[2];
355  int8_t pred_flag;
356 } MvField;
357 
358 typedef struct NeighbourAvailable {
361  int cand_up;
366 
367 typedef struct PredictionUnit {
368  int mpm_idx;
370  uint8_t intra_pred_mode[4];
372  uint8_t merge_flag;
373  uint8_t intra_pred_mode_c[4];
374  uint8_t chroma_mode_c[4];
376 
377 typedef struct TransformUnit {
379 
381 
382  // Inferred parameters;
390  uint8_t cross_pf;
391 } TransformUnit;
392 
393 typedef struct DBParams {
396 } DBParams;
397 
398 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
399 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
400 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
401 #define HEVC_FRAME_FLAG_BUMPING (1 << 3)
402 
403 #define HEVC_SEQUENCE_COUNTER_MASK 0xff
404 #define HEVC_SEQUENCE_COUNTER_INVALID (HEVC_SEQUENCE_COUNTER_MASK + 1)
405 
406 typedef struct HEVCFrame {
410  int needs_fg; /* 1 if grain needs to be applied by the decoder */
415  int poc;
417 
421 
424 
425  /**
426  * A sequence counter, so that old frames are output first
427  * after a POC reset
428  */
429  uint16_t sequence;
430 
431  /**
432  * A combination of HEVC_FRAME_FLAG_*
433  */
434  uint8_t flags;
435 } HEVCFrame;
436 
437 typedef struct HEVCLocalContext {
439 
441 
442  uint8_t first_qp_group;
443 
444  void *logctx;
445  const struct HEVCContext *parent;
446 
449 
450  /**
451  * This is a pointer to the common CABAC state.
452  * In case entropy_coding_sync_enabled_flag is set,
453  * the CABAC state after decoding the second CTU in a row is
454  * stored here and used to initialize the CABAC state before
455  * decoding the first CTU in the next row.
456  * This is the basis for WPP and in case slice-threading is used,
457  * the next row is decoded by another thread making this state
458  * shared between threads.
459  */
461 
462  int8_t qp_y;
463  int8_t curr_qp_y;
464 
465  int qPy_pred;
466 
468 
469  uint8_t ctb_left_flag;
470  uint8_t ctb_up_flag;
475  /* +7 is for subpixel interpolation, *2 for high bit depths */
477  /* The extended size between the new edge emu buffer is abused by SAO */
480 
481  int ct_depth;
485 
486 #define BOUNDARY_LEFT_SLICE (1 << 0)
487 #define BOUNDARY_LEFT_TILE (1 << 1)
488 #define BOUNDARY_UPPER_SLICE (1 << 2)
489 #define BOUNDARY_UPPER_TILE (1 << 3)
490  /* properties of the boundary of the current CTB for the purposes
491  * of the deblocking filter */
494 
495 typedef struct HEVCContext {
496  const AVClass *c; // needed by private avoptions
498 
501 
502  uint8_t threads_type;
503  uint8_t threads_number;
504 
505  int width;
506  int height;
507 
508  /** 1 if the independent slice segment header was successfully parsed */
510 
513  uint8_t *sao_pixel_buffer_h[3];
514  uint8_t *sao_pixel_buffer_v[3];
515 
518  struct AVMD5 *md5_ctx;
519 
522 
523  ///< candidate references for the current frame
525 
530  int temporal_id; ///< temporal_id_plus1 - 1
533  int poc;
534  int pocTid0;
535  int slice_idx; ///< number of the slice being currently decoded
536  int eos; ///< current packet contains an EOS/EOB NAL
537  int last_eos; ///< last packet contains an EOS/EOB NAL
538  int max_ra;
539  int bs_width;
541  int overlap;
542 
545 
551  int8_t *qp_y_tab;
552  uint8_t *horizontal_bs;
553  uint8_t *vertical_bs;
554 
556 
557  // CU
558  uint8_t *skip_flag;
559  uint8_t *tab_ct_depth;
560  // PU
561  uint8_t *tab_ipm;
562 
563  uint8_t *cbf_luma; // cbf_luma of colocated TU
564  uint8_t *is_pcm;
565 
566  // CTB-level flags affecting loop filter operation
568 
569  /** used on BE to byteswap the lines for checksumming */
570  uint8_t *checksum_buf;
572 
573  /**
574  * Sequence counters for decoded and output frames, so that old
575  * frames are output first after a POC reset
576  */
577  uint16_t seq_decode;
578  uint16_t seq_output;
579 
580  /** The target for the common_cabac_state of the local contexts. */
582 
585 
586  const uint8_t *data;
587 
589  // type of the first VCL NAL of the current frame
591 
592  int is_nalff; ///< this flag is != 0 if bitstream is encapsulated
593  ///< as a format defined in 14496-15
595 
596  int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
598 
600 
601  AVBufferRef *rpu_buf; ///< 0 or 1 Dolby Vision RPUs.
602  DOVIContext dovi_ctx; ///< Dolby Vision decoding context
603 } HEVCContext;
604 
605 /**
606  * Mark all frames in DPB as unused for reference.
607  */
609 
610 /**
611  * Drop all frames currently in DPB.
612  */
614 
616  int x0, int y0);
617 
618 /**
619  * Construct the reference picture sets for the current frame.
620  */
622 
623 /**
624  * Construct the reference picture list(s) for the current slice.
625  */
627 
628 void ff_hevc_save_states(HEVCLocalContext *lc, int ctb_addr_ts);
629 int ff_hevc_cabac_init(HEVCLocalContext *lc, int ctb_addr_ts);
638 int ff_hevc_skip_flag_decode(HEVCLocalContext *lc, int x0, int y0,
639  int x_cb, int y_cb);
642  int x0, int y0);
643 int ff_hevc_part_mode_decode(HEVCLocalContext *lc, int log2_cb_size);
651 int ff_hevc_inter_pred_idc_decode(HEVCLocalContext *lc, int nPbW, int nPbH);
652 int ff_hevc_ref_idx_lx_decode(HEVCLocalContext *lc, int num_ref_idx_lx);
655 int ff_hevc_split_transform_flag_decode(HEVCLocalContext *lc, int log2_trafo_size);
656 int ff_hevc_cbf_cb_cr_decode(HEVCLocalContext *lc, int trafo_depth);
657 int ff_hevc_cbf_luma_decode(HEVCLocalContext *lc, int trafo_depth);
660 
661 /**
662  * Get the number of candidate references for the current frame.
663  */
665 
666 int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
667 
669 {
670  switch (type) {
671  case HEVC_NAL_TRAIL_N:
672  case HEVC_NAL_TSA_N:
673  case HEVC_NAL_STSA_N:
674  case HEVC_NAL_RADL_N:
675  case HEVC_NAL_RASL_N:
676  case HEVC_NAL_VCL_N10:
677  case HEVC_NAL_VCL_N12:
678  case HEVC_NAL_VCL_N14:
679  return 1;
680  default: break;
681  }
682  return 0;
683 }
684 
685 /**
686  * Find next frame in output order and put a reference to it in frame.
687  * @return 1 if a frame was output, 0 otherwise
688  */
690 
692 
694 
695 void ff_hevc_set_neighbour_available(HEVCLocalContext *lc, int x0, int y0,
696  int nPbW, int nPbH);
697 void ff_hevc_luma_mv_merge_mode(HEVCLocalContext *lc, int x0, int y0,
698  int nPbW, int nPbH, int log2_cb_size,
699  int part_idx, int merge_idx, MvField *mv);
700 void ff_hevc_luma_mv_mvp_mode(HEVCLocalContext *lc, int x0, int y0,
701  int nPbW, int nPbH, int log2_cb_size,
702  int part_idx, int merge_idx,
703  MvField *mv, int mvp_lx_flag, int LX);
704 void ff_hevc_hls_filter(HEVCLocalContext *lc, int x, int y, int ctb_size);
705 void ff_hevc_hls_filters(HEVCLocalContext *lc, int x_ctb, int y_ctb, int ctb_size);
706 void ff_hevc_set_qPy(HEVCLocalContext *lc, int xBase, int yBase,
707  int log2_cb_size);
709  int log2_trafo_size);
714 void ff_hevc_hls_residual_coding(HEVCLocalContext *lc, int x0, int y0,
715  int log2_trafo_size, enum ScanType scan_idx,
716  int c_idx);
717 
718 void ff_hevc_hls_mvd_coding(HEVCLocalContext *lc, int x0, int y0, int log2_cb_size);
719 
720 extern const uint8_t ff_hevc_qpel_extra_before[4];
721 extern const uint8_t ff_hevc_qpel_extra_after[4];
722 extern const uint8_t ff_hevc_qpel_extra[4];
723 
724 #endif /* AVCODEC_HEVCDEC_H */
HEVCLocalContext::na
NeighbourAvailable na
Definition: hevcdec.h:484
HEVCContext::seq_decode
uint16_t seq_decode
Sequence counters for decoded and output frames, so that old frames are output first after a POC rese...
Definition: hevcdec.h:577
HEVCContext::temporal_id
int temporal_id
temporal_id_plus1 - 1
Definition: hevcdec.h:530
ff_hevc_cabac_init
int ff_hevc_cabac_init(HEVCLocalContext *lc, int ctb_addr_ts)
Definition: hevc_cabac.c:512
HEVC_NAL_RADL_N
@ HEVC_NAL_RADL_N
Definition: hevc.h:35
SliceHeader::beta_offset
int beta_offset
beta_offset_div2 * 2
Definition: hevcdec.h:304
HEVCContext::skip_flag
uint8_t * skip_flag
Definition: hevcdec.h:558
bswapdsp.h
DBParams
Definition: hevcdec.h:393
ff_hevc_get_ref_list
const RefPicList * ff_hevc_get_ref_list(const HEVCContext *s, const HEVCFrame *frame, int x0, int y0)
Definition: hevc_refs.c:59
HEVCContext::filter_slice_edges
uint8_t * filter_slice_edges
Definition: hevcdec.h:567
SAO_TYPE_IDX
@ SAO_TYPE_IDX
Definition: hevcdec.h:91
HEVCLocalContext
Definition: hevcdec.h:437
HEVCFrame::flags
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Definition: hevcdec.h:434
SliceHeader::slice_act_cr_qp_offset
int slice_act_cr_qp_offset
Definition: hevcdec.h:300
HEVCFrame::tf
ThreadFrame tf
Definition: hevcdec.h:409
HEVCFrame::hwaccel_priv_buf
AVBufferRef * hwaccel_priv_buf
Definition: hevcdec.h:422
INTRA_ANGULAR_28
@ INTRA_ANGULAR_28
Definition: hevcdec.h:200
SPLIT_CODING_UNIT_FLAG
@ SPLIT_CODING_UNIT_FLAG
Definition: hevcdec.h:97
h2645_parse.h
SliceHeader::chroma_offset_l1
int16_t chroma_offset_l1[16][2]
Definition: hevcdec.h:329
LT_FOLL
@ LT_FOLL
Definition: hevcdec.h:85
HEVCContext::seq_output
uint16_t seq_output
Definition: hevcdec.h:578
SAO_EO_45D
@ SAO_EO_45D
Definition: hevcdec.h:220
cabac.h
HEVCSliceType
HEVCSliceType
Definition: hevc.h:95
HEVCContext::nuh_layer_id
int nuh_layer_id
Definition: hevcdec.h:597
INTRA_ANGULAR_29
@ INTRA_ANGULAR_29
Definition: hevcdec.h:201
MPM_IDX
@ MPM_IDX
Definition: hevcdec.h:105
ff_hevc_bump_frame
void ff_hevc_bump_frame(HEVCContext *s)
Definition: hevc_refs.c:252
PART_NxN
@ PART_NxN
Definition: hevcdec.h:145
mem_internal.h
INTRA_ANGULAR_30
@ INTRA_ANGULAR_30
Definition: hevcdec.h:202
SliceHeader::slice_act_y_qp_offset
int slice_act_y_qp_offset
Definition: hevcdec.h:298
INTRA_ANGULAR_34
@ INTRA_ANGULAR_34
Definition: hevcdec.h:206
INTRA_ANGULAR_27
@ INTRA_ANGULAR_27
Definition: hevcdec.h:199
SAO_APPLIED
@ SAO_APPLIED
Definition: hevcdec.h:213
AVBufferPool
The buffer pool.
Definition: buffer_internal.h:88
SAO_BAND
@ SAO_BAND
Definition: hevcdec.h:211
SAO_BAND_POSITION
@ SAO_BAND_POSITION
Definition: hevcdec.h:93
INTRA_ANGULAR_2
@ INTRA_ANGULAR_2
Definition: hevcdec.h:174
HEVCContext::slice_initialized
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
Definition: hevcdec.h:509
ff_hevc_res_scale_sign_flag
int ff_hevc_res_scale_sign_flag(HEVCLocalContext *lc, int idx)
Definition: hevc_cabac.c:919
HEVCLocalContext::ctb_up_flag
uint8_t ctb_up_flag
Definition: hevcdec.h:470
CodingUnit
Definition: hevcdec.h:334
HEVCFrame::needs_fg
int needs_fg
Definition: hevcdec.h:410
mv
static const int8_t mv[256][2]
Definition: 4xm.c:80
SliceHeader::num_entry_point_offsets
int num_entry_point_offsets
Definition: hevcdec.h:313
SAO_OFFSET_ABS
@ SAO_OFFSET_ABS
Definition: hevcdec.h:94
HEVC_NAL_STSA_N
@ HEVC_NAL_STSA_N
Definition: hevc.h:33
HEVCFrame::frame_grain
AVFrame * frame_grain
Definition: hevcdec.h:408
PART_2NxnU
@ PART_2NxnU
Definition: hevcdec.h:146
HEVCContext::md5_ctx
struct AVMD5 * md5_ctx
Definition: hevcdec.h:518
HEVCContext::deblock
DBParams * deblock
Definition: hevcdec.h:528
ff_hevc_flush_dpb
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
Definition: hevc_refs.c:78
ff_hevc_part_mode_decode
int ff_hevc_part_mode_decode(HEVCLocalContext *lc, int log2_cb_size)
Definition: hevc_cabac.c:718
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
ff_hevc_hls_filter
void ff_hevc_hls_filter(HEVCLocalContext *lc, int x, int y, int ctb_size)
Definition: hevc_filter.c:851
ff_hevc_sao_type_idx_decode
int ff_hevc_sao_type_idx_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:576
HEVCFrame::tab_mvf
MvField * tab_mvf
Definition: hevcdec.h:411
TransformUnit::cu_qp_delta
int cu_qp_delta
Definition: hevcdec.h:378
ScanType
ScanType
Definition: hevcdec.h:223
ff_hevc_intra_chroma_pred_mode_decode
int ff_hevc_intra_chroma_pred_mode_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:783
HEVC_NAL_TSA_N
@ HEVC_NAL_TSA_N
Definition: hevc.h:31
HEVCFrame::hwaccel_picture_private
void * hwaccel_picture_private
Definition: hevcdec.h:423
NeighbourAvailable::cand_left
int cand_left
Definition: hevcdec.h:360
NeighbourAvailable::cand_up
int cand_up
Definition: hevcdec.h:361
ff_hevc_qpel_extra_before
const uint8_t ff_hevc_qpel_extra_before[4]
INTRA_DC
@ INTRA_DC
Definition: hevcdec.h:173
HEVCContext::no_rasl_output_flag
int no_rasl_output_flag
Definition: hevcdec.h:544
LAST_SIGNIFICANT_COEFF_X_PREFIX
@ LAST_SIGNIFICANT_COEFF_X_PREFIX
Definition: hevcdec.h:125
NeighbourAvailable::cand_up_right
int cand_up_right
Definition: hevcdec.h:363
Mv::y
int16_t y
vertical component of motion vector
Definition: hevcdec.h:349
CU_CHROMA_QP_OFFSET_FLAG
@ CU_CHROMA_QP_OFFSET_FLAG
Definition: hevcdec.h:137
HEVCContext::checksum_buf_size
int checksum_buf_size
Definition: hevcdec.h:571
SAO_EDGE
@ SAO_EDGE
Definition: hevcdec.h:212
atomic_int
intptr_t atomic_int
Definition: stdatomic.h:55
SliceHeader::slice_temporal_mvp_enabled_flag
uint8_t slice_temporal_mvp_enabled_flag
Definition: hevcdec.h:280
ff_hevc_rem_intra_luma_pred_mode_decode
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:773
MvField::mv
Mv mv[2]
Definition: hevcdec.h:353
TransformUnit::is_cu_qp_delta_coded
uint8_t is_cu_qp_delta_coded
Definition: hevcdec.h:386
HEVC_NAL_RASL_N
@ HEVC_NAL_RASL_N
Definition: hevc.h:37
MODE_INTRA
@ MODE_INTRA
Definition: hevcdec.h:154
HEVCContext::output_frame
AVFrame * output_frame
Definition: hevcdec.h:512
HEVCContext::sao_pixel_buffer_h
uint8_t * sao_pixel_buffer_h[3]
Definition: hevcdec.h:513
HEVCContext::data
const uint8_t * data
Definition: hevcdec.h:586
SliceHeader::slice_loop_filter_across_slices_enabled_flag
uint8_t slice_loop_filter_across_slices_enabled_flag
Definition: hevcdec.h:289
ff_hevc_sao_eo_class_decode
int ff_hevc_sao_eo_class_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:611
HEVCLocalContext::ctb_up_left_flag
uint8_t ctb_up_left_flag
Definition: hevcdec.h:472
HEVCContext::bdsp
BswapDSPContext bdsp
Definition: hevcdec.h:549
ff_hevc_cu_qp_delta_abs
int ff_hevc_cu_qp_delta_abs(HEVCLocalContext *lc)
Definition: hevc_cabac.c:644
DPB
Decoded Picture Buffer (DPB).
Definition: vaapi_h264.c:82
INTER_PRED_IDC
@ INTER_PRED_IDC
Definition: hevcdec.h:110
ff_hevc_ref_idx_lx_decode
int ff_hevc_ref_idx_lx_decode(HEVCLocalContext *lc, int num_ref_idx_lx)
Definition: hevc_cabac.c:820
HEVCContext::checksum_buf
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
Definition: hevcdec.h:570
INTRA_ANGULAR_9
@ INTRA_ANGULAR_9
Definition: hevcdec.h:181
RefPicList
Definition: hevcdec.h:241
CBF_CB_CR
@ CBF_CB_CR
Definition: hevcdec.h:121
ff_hevc_output_frame
int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush)
Find next frame in output order and put a reference to it in frame.
Definition: hevc_refs.c:184
PF_INTRA
@ PF_INTRA
Definition: hevcdec.h:165
INTRA_ANGULAR_10
@ INTRA_ANGULAR_10
Definition: hevcdec.h:182
COEFF_ABS_LEVEL_GREATER2_FLAG
@ COEFF_ABS_LEVEL_GREATER2_FLAG
Definition: hevcdec.h:132
ff_hevc_cbf_luma_decode
int ff_hevc_cbf_luma_decode(HEVCLocalContext *lc, int trafo_depth)
Definition: hevc_cabac.c:889
MODE_SKIP
@ MODE_SKIP
Definition: hevcdec.h:155
HEVCLocalContext::end_of_tiles_x
int end_of_tiles_x
Definition: hevcdec.h:473
CodingUnit::x
int x
Definition: hevcdec.h:335
CBF_LUMA
@ CBF_LUMA
Definition: hevcdec.h:120
SAOType
SAOType
Definition: hevcdec.h:209
PART_2Nx2N
@ PART_2Nx2N
Definition: hevcdec.h:142
ff_hevc_cbf_cb_cr_decode
int ff_hevc_cbf_cb_cr_decode(HEVCLocalContext *lc, int trafo_depth)
Definition: hevc_cabac.c:884
HEVCLocalContext::ctb_up_right_flag
uint8_t ctb_up_right_flag
Definition: hevcdec.h:471
HEVCLocalContext::common_cabac_state
HEVCCABACState * common_cabac_state
This is a pointer to the common CABAC state.
Definition: hevcdec.h:460
SAO_EO_135D
@ SAO_EO_135D
Definition: hevcdec.h:219
PRED_BI
@ PRED_BI
Definition: hevcdec.h:161
HEVCContext::frame
AVFrame * frame
Definition: hevcdec.h:511
ff_hevc_cu_qp_delta_sign_flag
int ff_hevc_cu_qp_delta_sign_flag(HEVCLocalContext *lc)
Definition: hevc_cabac.c:671
MVP_LX_FLAG
@ MVP_LX_FLAG
Definition: hevcdec.h:117
DOVIContext
Definition: dovi_rpu.h:31
ff_hevc_end_of_slice_flag_decode
int ff_hevc_end_of_slice_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:618
INTRA_ANGULAR_3
@ INTRA_ANGULAR_3
Definition: hevcdec.h:175
PredictionUnit::intra_pred_mode_c
uint8_t intra_pred_mode_c[4]
Definition: hevcdec.h:373
PredictionUnit
Definition: hevcdec.h:367
COEFF_ABS_LEVEL_REMAINING
@ COEFF_ABS_LEVEL_REMAINING
Definition: hevcdec.h:133
InterPredIdc
InterPredIdc
Definition: hevcdec.h:158
MODE_INTER
@ MODE_INTER
Definition: hevcdec.h:153
GetBitContext
Definition: get_bits.h:108
SliceHeader::luma_log2_weight_denom
uint8_t luma_log2_weight_denom
Definition: hevcdec.h:317
HEVCLocalContext::pu
PredictionUnit pu
Definition: hevcdec.h:483
HEVCContext::is_decoded
int is_decoded
Definition: hevcdec.h:543
TransformUnit::res_scale_val
int res_scale_val
Definition: hevcdec.h:380
SliceHeader::short_term_ref_pic_set_size
int short_term_ref_pic_set_size
Definition: hevcdec.h:271
LOG2_RES_SCALE_ABS
@ LOG2_RES_SCALE_ABS
Definition: hevcdec.h:135
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
dovi_rpu.h
SliceHeader::long_term_ref_pic_set_size
int long_term_ref_pic_set_size
Definition: hevcdec.h:274
RefPicList::nb_refs
int nb_refs
Definition: hevcdec.h:245
HEVCContext::h274db
H274FilmGrainDatabase h274db
Definition: hevcdec.h:550
MERGE_IDX
@ MERGE_IDX
Definition: hevcdec.h:109
HEVCContext::bs_width
int bs_width
Definition: hevcdec.h:539
AVMD5
Definition: md5.c:42
ff_hevc_cu_chroma_qp_offset_idx
int ff_hevc_cu_chroma_qp_offset_idx(HEVCLocalContext *lc)
Definition: hevc_cabac.c:681
SliceHeader::slice_segment_addr
unsigned int slice_segment_addr
address (in raster order) of the first block in the current slice
Definition: hevcdec.h:256
MvField::ref_idx
int8_t ref_idx[2]
Definition: hevcdec.h:354
HEVCContext::apply_defdispwin
int apply_defdispwin
Definition: hevcdec.h:594
SKIP_FLAG
@ SKIP_FLAG
Definition: hevcdec.h:99
ff_hevc_luma_mv_mvp_mode
void ff_hevc_luma_mv_mvp_mode(HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv, int mvp_lx_flag, int LX)
Definition: hevc_mvs.c:583
TransformUnit::intra_pred_mode
int intra_pred_mode
Definition: hevcdec.h:383
hevcpred.h
SliceHeader::cabac_init_flag
uint8_t cabac_init_flag
Definition: hevcdec.h:287
DBParams::beta_offset
int beta_offset
Definition: hevcdec.h:394
HEVCLocalContext::curr_qp_y
int8_t curr_qp_y
Definition: hevcdec.h:463
DBParams::tc_offset
int tc_offset
Definition: hevcdec.h:395
INTRA_ANGULAR_23
@ INTRA_ANGULAR_23
Definition: hevcdec.h:195
HEVCContext::tab_ipm
uint8_t * tab_ipm
Definition: hevcdec.h:561
MVD_SIGN_FLAG
@ MVD_SIGN_FLAG
Definition: hevcdec.h:116
HEVCContext::max_ra
int max_ra
Definition: hevcdec.h:538
HEVCLocalContext::parent
const struct HEVCContext * parent
Definition: hevcdec.h:445
s
#define s(width, name)
Definition: cbs_vp9.c:198
MERGE_FLAG
@ MERGE_FLAG
Definition: hevcdec.h:108
NeighbourAvailable::cand_bottom_left
int cand_bottom_left
Definition: hevcdec.h:359
ff_hevc_save_states
void ff_hevc_save_states(HEVCLocalContext *lc, int ctb_addr_ts)
Definition: hevc_cabac.c:450
HEVCContext::c
const AVClass * c
Definition: hevcdec.h:496
HEVCContext::rps
RefPicList rps[5]
Definition: hevcdec.h:524
SAO_NOT_APPLIED
@ SAO_NOT_APPLIED
Definition: hevcdec.h:210
HEVCContext::last_eos
int last_eos
last packet contains an EOS/EOB NAL
Definition: hevcdec.h:537
PREV_INTRA_LUMA_PRED_FLAG
@ PREV_INTRA_LUMA_PRED_FLAG
Definition: hevcdec.h:104
HEVC_NAL_VCL_N14
@ HEVC_NAL_VCL_N14
Definition: hevc.h:43
SliceHeader::luma_offset_l1
int16_t luma_offset_l1[16]
Definition: hevcdec.h:328
INTRA_ANGULAR_14
@ INTRA_ANGULAR_14
Definition: hevcdec.h:186
HEVC_NAL_VCL_N12
@ HEVC_NAL_VCL_N12
Definition: hevc.h:41
HEVCContext::slice_idx
int slice_idx
number of the slice being currently decoded
Definition: hevcdec.h:535
ff_hevc_nal_is_nonref
static av_always_inline int ff_hevc_nal_is_nonref(enum HEVCNALUnitType type)
Definition: hevcdec.h:668
ff_hevc_set_new_ref
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
Definition: hevc_refs.c:135
HEVCSEI
Definition: hevc_sei.h:81
ff_hevc_frame_rps
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
Definition: hevc_refs.c:477
INTRA_ANGULAR_12
@ INTRA_ANGULAR_12
Definition: hevcdec.h:184
SliceHeader::slice_rps
ShortTermRPS slice_rps
Definition: hevcdec.h:272
ff_hevc_qpel_extra
const uint8_t ff_hevc_qpel_extra[4]
HEVCPredContext
Definition: hevcpred.h:31
RPSType
RPSType
Definition: hevcdec.h:80
get_bits.h
ff_hevc_deblocking_boundary_strengths
void ff_hevc_deblocking_boundary_strengths(HEVCLocalContext *lc, int x0, int y0, int log2_trafo_size)
Definition: hevc_filter.c:723
INTRA_ANGULAR_18
@ INTRA_ANGULAR_18
Definition: hevcdec.h:190
RefPicList::ref
struct HEVCFrame * ref[HEVC_MAX_REFS]
Definition: hevcdec.h:242
ABS_MVD_MINUS2
@ ABS_MVD_MINUS2
Definition: hevcdec.h:115
HEVCContext::height
int height
Definition: hevcdec.h:506
ff_hevc_hls_residual_coding
void ff_hevc_hls_residual_coding(HEVCLocalContext *lc, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
Definition: hevc_cabac.c:1039
SliceHeader::size
int * size
Definition: hevcdec.h:312
SliceHeader::collocated_list
uint8_t collocated_list
Definition: hevcdec.h:290
HEVCContext::ref
HEVCFrame * ref
Definition: hevcdec.h:531
SliceHeader::luma_offset_l0
int16_t luma_offset_l0[16]
Definition: hevcdec.h:325
NeighbourAvailable::cand_up_right_sap
int cand_up_right_sap
Definition: hevcdec.h:364
INTRA_ANGULAR_26
@ INTRA_ANGULAR_26
Definition: hevcdec.h:198
SliceHeader::chroma_weight_l1
int16_t chroma_weight_l1[16][2]
Definition: hevcdec.h:322
CodingUnit::max_trafo_depth
uint8_t max_trafo_depth
MaxTrafoDepth.
Definition: hevcdec.h:343
SliceHeader::slice_ctb_addr_rs
int slice_ctb_addr_rs
Definition: hevcdec.h:331
HEVC_NAL_VCL_N10
@ HEVC_NAL_VCL_N10
Definition: hevc.h:39
HEVCContext::nal_unit_type
enum HEVCNALUnitType nal_unit_type
Definition: hevcdec.h:529
SliceHeader::pic_output_flag
uint8_t pic_output_flag
Definition: hevcdec.h:266
PART_MODE
@ PART_MODE
Definition: hevcdec.h:102
hevcdsp.h
threadframe.h
HEVCFrame::refPicList
RefPicList * refPicList
Definition: hevcdec.h:412
ff_hevc_unref_frame
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
Definition: hevc_refs.c:32
PredictionUnit::rem_intra_luma_pred_mode
int rem_intra_luma_pred_mode
Definition: hevcdec.h:369
INTRA_ANGULAR_11
@ INTRA_ANGULAR_11
Definition: hevcdec.h:183
HEVCContext::sei
HEVCSEI sei
Definition: hevcdec.h:517
PRED_MODE_FLAG
@ PRED_MODE_FLAG
Definition: hevcdec.h:101
HEVCContext::enable_parallel_tiles
int enable_parallel_tiles
Definition: hevcdec.h:583
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
INTRA_ANGULAR_15
@ INTRA_ANGULAR_15
Definition: hevcdec.h:187
HEVCCABACState::state
uint8_t state[HEVC_CONTEXTS]
Definition: hevcdec.h:230
HEVCContext::width
int width
Definition: hevcdec.h:505
INTRA_ANGULAR_22
@ INTRA_ANGULAR_22
Definition: hevcdec.h:194
HEVCLocalContext::tmp
int16_t tmp[MAX_PB_SIZE *MAX_PB_SIZE]
Definition: hevcdec.h:479
ff_hevc_merge_flag_decode
int ff_hevc_merge_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:805
LongTermRPS::poc
int poc[32]
Definition: hevcdec.h:235
EXPLICIT_RDPCM_FLAG
@ EXPLICIT_RDPCM_FLAG
Definition: hevcdec.h:123
HEVCContext::qp_y_tab
int8_t * qp_y_tab
Definition: hevcdec.h:551
CodingUnit::cu_transquant_bypass_flag
uint8_t cu_transquant_bypass_flag
Definition: hevcdec.h:344
COEFF_ABS_LEVEL_GREATER1_FLAG
@ COEFF_ABS_LEVEL_GREATER1_FLAG
Definition: hevcdec.h:131
HEVCLocalContext::first_qp_group
uint8_t first_qp_group
Definition: hevcdec.h:442
HEVCContext::cbf_luma
uint8_t * cbf_luma
Definition: hevcdec.h:563
HEVCFrame::rpl_tab
RefPicListTab ** rpl_tab
Definition: hevcdec.h:413
HEVCContext::threads_type
uint8_t threads_type
Definition: hevcdec.h:502
LongTermRPS::poc_msb_present
uint8_t poc_msb_present[32]
Definition: hevcdec.h:236
ff_hevc_split_transform_flag_decode
int ff_hevc_split_transform_flag_decode(HEVCLocalContext *lc, int log2_trafo_size)
Definition: hevc_cabac.c:879
HEVCContext::film_grain_warning_shown
int film_grain_warning_shown
Definition: hevcdec.h:599
PART_Nx2N
@ PART_Nx2N
Definition: hevcdec.h:144
RefPicListTab
Definition: hevcdec.h:248
h274.h
HEVCContext::is_nalff
int is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
Definition: hevcdec.h:592
SliceHeader::nb_refs
unsigned int nb_refs[2]
Definition: hevcdec.h:282
Mv::x
int16_t x
horizontal component of motion vector
Definition: hevcdec.h:348
INTRA_ANGULAR_5
@ INTRA_ANGULAR_5
Definition: hevcdec.h:177
PF_BI
@ PF_BI
Definition: hevcdec.h:168
HEVCContext::poc
int poc
Definition: hevcdec.h:533
INTRA_ANGULAR_16
@ INTRA_ANGULAR_16
Definition: hevcdec.h:188
SCAN_HORIZ
@ SCAN_HORIZ
Definition: hevcdec.h:225
HEVCContext::rpl_tab_pool
AVBufferPool * rpl_tab_pool
candidate references for the current frame
Definition: hevcdec.h:521
TransformUnit
Definition: hevcdec.h:377
HEVCLocalContext::edge_emu_buffer
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7) *EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevcdec.h:476
ff_hevc_sao_offset_abs_decode
int ff_hevc_sao_offset_abs_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:596
LongTermRPS::used
uint8_t used[32]
Definition: hevcdec.h:237
SliceHeader::colour_plane_id
uint8_t colour_plane_id
RPS coded in the slice header itself is stored here.
Definition: hevcdec.h:267
PART_nLx2N
@ PART_nLx2N
Definition: hevcdec.h:148
HEVCContext::nal_length_size
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
Definition: hevcdec.h:596
SliceHeader::dependent_slice_segment_flag
uint8_t dependent_slice_segment_flag
Definition: hevcdec.h:265
NO_RESIDUAL_DATA_FLAG
@ NO_RESIDUAL_DATA_FLAG
Definition: hevcdec.h:118
ff_hevc_luma_mv_merge_mode
void ff_hevc_luma_mv_merge_mode(HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
Definition: hevc_mvs.c:480
SliceHeader::slice_act_cb_qp_offset
int slice_act_cb_qp_offset
Definition: hevcdec.h:299
ST_FOLL
@ ST_FOLL
Definition: hevcdec.h:83
HEVCContext::bs_height
int bs_height
Definition: hevcdec.h:540
SliceHeader::first_slice_in_pic_flag
uint8_t first_slice_in_pic_flag
Definition: hevcdec.h:264
HEVCLocalContext::ctb_left_flag
uint8_t ctb_left_flag
Definition: hevcdec.h:469
H274FilmGrainDatabase
Definition: h274.h:34
ff_hevc_cu_transquant_bypass_flag_decode
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:623
HEVCContext::sao
SAOParams * sao
Definition: hevcdec.h:527
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem_internal.h:87
ff_hevc_skip_flag_decode
int ff_hevc_skip_flag_decode(HEVCLocalContext *lc, int x0, int y0, int x_cb, int y_cb)
Definition: hevc_cabac.c:628
INTRA_ANGULAR_17
@ INTRA_ANGULAR_17
Definition: hevcdec.h:189
HEVCFrame::collocated_ref
struct HEVCFrame * collocated_ref
Definition: hevcdec.h:416
SIGNIFICANT_COEFF_FLAG
@ SIGNIFICANT_COEFF_FLAG
Definition: hevcdec.h:130
SPLIT_TRANSFORM_FLAG
@ SPLIT_TRANSFORM_FLAG
Definition: hevcdec.h:119
ff_hevc_mpm_idx_decode
int ff_hevc_mpm_idx_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:765
INTRA_PLANAR
@ INTRA_PLANAR
Definition: hevcdec.h:172
HEVCLocalContext::cabac_state
uint8_t cabac_state[HEVC_CONTEXTS]
Definition: hevcdec.h:438
HEVCFrame::rpl_buf
AVBufferRef * rpl_buf
Definition: hevcdec.h:420
PART_2NxnD
@ PART_2NxnD
Definition: hevcdec.h:147
HEVCContext::tab_slice_address
int32_t * tab_slice_address
Definition: hevcdec.h:555
PartMode
PartMode
Definition: hevcdec.h:141
SCAN_VERT
@ SCAN_VERT
Definition: hevcdec.h:226
SyntaxElement
SyntaxElement
Definition: hevcdec.h:89
SliceHeader::collocated_ref_idx
unsigned int collocated_ref_idx
Definition: hevcdec.h:292
SliceHeader::entry_point_offset
unsigned * entry_point_offset
Definition: hevcdec.h:310
TransformUnit::chroma_mode_c
int chroma_mode_c
Definition: hevcdec.h:385
SliceHeader::short_term_ref_pic_set_sps_flag
int short_term_ref_pic_set_sps_flag
Definition: hevcdec.h:270
SliceHeader::no_output_of_prior_pics_flag
uint8_t no_output_of_prior_pics_flag
Definition: hevcdec.h:279
CU_QP_DELTA
@ CU_QP_DELTA
Definition: hevcdec.h:100
HEVCContext::pocTid0
int pocTid0
Definition: hevcdec.h:534
MvField
Definition: hevcdec.h:352
buffer.h
PF_L1
@ PF_L1
Definition: hevcdec.h:167
ABS_MVD_GREATER0_FLAG
@ ABS_MVD_GREATER0_FLAG
Definition: hevcdec.h:113
HEVCContext::tab_ct_depth
uint8_t * tab_ct_depth
Definition: hevcdec.h:559
HEVC_STAT_COEFFS
#define HEVC_STAT_COEFFS
Definition: hevcdec.h:53
HEVCDSPContext
Definition: hevcdsp.h:47
HEVCContext::dovi_ctx
DOVIContext dovi_ctx
Dolby Vision decoding context.
Definition: hevcdec.h:602
END_OF_SLICE_FLAG
@ END_OF_SLICE_FLAG
Definition: hevcdec.h:96
SliceHeader::chroma_weight_l0
int16_t chroma_weight_l0[16][2]
Definition: hevcdec.h:321
ff_hevc_no_residual_syntax_flag_decode
int ff_hevc_no_residual_syntax_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:841
HEVCContext::horizontal_bs
uint8_t * horizontal_bs
Definition: hevcdec.h:552
SIGNIFICANT_COEFF_GROUP_FLAG
@ SIGNIFICANT_COEFF_GROUP_FLAG
Definition: hevcdec.h:129
HEVCContext::ps
HEVCParamSets ps
Definition: hevcdec.h:516
SAO_EO_CLASS
@ SAO_EO_CLASS
Definition: hevcdec.h:92
TransformUnit::cu_qp_offset_cb
int8_t cu_qp_offset_cb
Definition: hevcdec.h:388
SliceHeader::chroma_log2_weight_denom
int16_t chroma_log2_weight_denom
Definition: hevcdec.h:318
HEVCFrame::rpl_tab_buf
AVBufferRef * rpl_tab_buf
Definition: hevcdec.h:419
TRANSFORM_SKIP_FLAG
@ TRANSFORM_SKIP_FLAG
Definition: hevcdec.h:122
CU_TRANSQUANT_BYPASS_FLAG
@ CU_TRANSQUANT_BYPASS_FLAG
Definition: hevcdec.h:98
MvField::pred_flag
int8_t pred_flag
Definition: hevcdec.h:355
HEVCLocalContext::ct_depth
int ct_depth
Definition: hevcdec.h:481
INTRA_ANGULAR_7
@ INTRA_ANGULAR_7
Definition: hevcdec.h:179
LAST_SIGNIFICANT_COEFF_Y_SUFFIX
@ LAST_SIGNIFICANT_COEFF_Y_SUFFIX
Definition: hevcdec.h:128
COEFF_SIGN_FLAG
@ COEFF_SIGN_FLAG
Definition: hevcdec.h:134
PART_nRx2N
@ PART_nRx2N
Definition: hevcdec.h:149
SliceHeader::slice_cb_qp_offset
int slice_cb_qp_offset
Definition: hevcdec.h:295
SliceHeader
Definition: hevcdec.h:252
HEVCFrame::frame
AVFrame * frame
Definition: hevcdec.h:407
INTRA_ANGULAR_8
@ INTRA_ANGULAR_8
Definition: hevcdec.h:180
ff_hevc_inter_pred_idc_decode
int ff_hevc_inter_pred_idc_decode(HEVCLocalContext *lc, int nPbW, int nPbH)
Definition: hevc_cabac.c:810
HEVCContext::cabac
HEVCCABACState cabac
The target for the common_cabac_state of the local contexts.
Definition: hevcdec.h:581
HEVCContext::avctx
AVCodecContext * avctx
Definition: hevcdec.h:497
SliceHeader::slice_sample_adaptive_offset_flag
uint8_t slice_sample_adaptive_offset_flag[3]
Definition: hevcdec.h:284
hevc_ps.h
INTRA_ANGULAR_32
@ INTRA_ANGULAR_32
Definition: hevcdec.h:204
INTRA_ANGULAR_21
@ INTRA_ANGULAR_21
Definition: hevcdec.h:193
HEVCFrame
Definition: hevcdec.h:406
NeighbourAvailable::cand_up_left
int cand_up_left
Definition: hevcdec.h:362
INTRA_ANGULAR_6
@ INTRA_ANGULAR_6
Definition: hevcdec.h:178
ff_hevc_sao_merge_flag_decode
int ff_hevc_sao_merge_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:571
ff_hevc_hls_filters
void ff_hevc_hls_filters(HEVCLocalContext *lc, int x_ctb, int y_ctb, int ctb_size)
Definition: hevc_filter.c:888
HEVCLocalContext::gb
GetBitContext gb
Definition: hevcdec.h:447
PCM_FLAG
@ PCM_FLAG
Definition: hevcdec.h:103
REM_INTRA_LUMA_PRED_MODE
@ REM_INTRA_LUMA_PRED_MODE
Definition: hevcdec.h:106
MAX_PB_SIZE
#define MAX_PB_SIZE
Definition: hevcdsp.h:32
HEVCLocalContext::logctx
void * logctx
Definition: hevcdec.h:444
HEVCFrame::ctb_count
int ctb_count
Definition: hevcdec.h:414
RefPicList::list
int list[HEVC_MAX_REFS]
Definition: hevcdec.h:243
SliceHeader::offset
int * offset
Definition: hevcdec.h:311
HEVCFrame::sequence
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
Definition: hevcdec.h:429
HEVCContext::pkt
H2645Packet pkt
Definition: hevcdec.h:588
SliceHeader::mvd_l1_zero_flag
uint8_t mvd_l1_zero_flag
Definition: hevcdec.h:285
av_always_inline
#define av_always_inline
Definition: attributes.h:49
PF_L0
@ PF_L0
Definition: hevcdec.h:166
REF_IDX_L0
@ REF_IDX_L0
Definition: hevcdec.h:111
EDGE_EMU_BUFFER_STRIDE
#define EDGE_EMU_BUFFER_STRIDE
Definition: hevcdec.h:67
INTRA_ANGULAR_19
@ INTRA_ANGULAR_19
Definition: hevcdec.h:191
ff_hevc_pred_mode_decode
int ff_hevc_pred_mode_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:692
HEVCLocalContext::qp_y
int8_t qp_y
Definition: hevcdec.h:462
ff_hevc_qpel_extra_after
const uint8_t ff_hevc_qpel_extra_after[4]
HEVCNALUnitType
HEVCNALUnitType
Table 7-1 – NAL unit type codes and NAL unit type classes in T-REC-H.265-201802.
Definition: hevc.h:28
SAO_EO_HORIZ
@ SAO_EO_HORIZ
Definition: hevcdec.h:217
SliceHeader::chroma_offset_l0
int16_t chroma_offset_l0[16][2]
Definition: hevcdec.h:326
SliceHeader::list_entry_lx
unsigned int list_entry_lx[2][32]
Definition: hevcdec.h:276
HEVCLocalContext::stat_coeff
uint8_t stat_coeff[HEVC_STAT_COEFFS]
Definition: hevcdec.h:440
HEVCFrame::poc
int poc
Definition: hevcdec.h:415
HEVCContext::HEVClcList
HEVCLocalContext ** HEVClcList
Definition: hevcdec.h:499
SAOEOClass
SAOEOClass
Definition: hevcdec.h:216
hevc.h
SAOParams
Definition: hevcdsp.h:34
SliceHeader::short_term_rps
const ShortTermRPS * short_term_rps
Definition: hevcdec.h:273
avcodec.h
SliceHeader::cu_chroma_qp_offset_enabled_flag
uint8_t cu_chroma_qp_offset_enabled_flag
Definition: hevcdec.h:302
HEVCContext::first_nal_type
enum HEVCNALUnitType first_nal_type
Definition: hevcdec.h:590
HEVCContext::overlap
int overlap
Definition: hevcdec.h:541
NeighbourAvailable
Definition: hevcdec.h:358
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
PRED_L1
@ PRED_L1
Definition: hevcdec.h:160
PredictionUnit::mvd
Mv mvd
Definition: hevcdec.h:371
IntraPredMode
IntraPredMode
Definition: hevcdec.h:171
ST_CURR_BEF
@ ST_CURR_BEF
Definition: hevcdec.h:81
SliceHeader::disable_deblocking_filter_flag
uint8_t disable_deblocking_filter_flag
slice_header_disable_deblocking_filter_flag
Definition: hevcdec.h:288
RES_SCALE_SIGN_FLAG
@ RES_SCALE_SIGN_FLAG
Definition: hevcdec.h:136
HEVCLocalContext::edge_emu_buffer2
uint8_t edge_emu_buffer2[(MAX_PB_SIZE+7) *EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevcdec.h:478
HEVCContext::HEVClc
HEVCLocalContext * HEVClc
Definition: hevcdec.h:500
SliceHeader::max_num_merge_cand
uint8_t max_num_merge_cand
5 - 5_minus_max_num_merge_cand
Definition: hevcdec.h:307
SliceHeader::luma_weight_l0
int16_t luma_weight_l0[16]
Definition: hevcdec.h:320
ff_hevc_merge_idx_decode
int ff_hevc_merge_idx_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:794
HEVCLocalContext::boundary_flags
int boundary_flags
Definition: hevcdec.h:492
HEVC_NAL_TRAIL_N
@ HEVC_NAL_TRAIL_N
Definition: hevc.h:29
LongTermRPS
Definition: hevcdec.h:234
SliceHeader::slice_type
enum HEVCSliceType slice_type
Definition: hevcdec.h:260
LT_CURR
@ LT_CURR
Definition: hevcdec.h:84
AVCodecContext
main external API structure.
Definition: avcodec.h:441
HEVCContext::threads_number
uint8_t threads_number
Definition: hevcdec.h:503
INTRA_ANGULAR_25
@ INTRA_ANGULAR_25
Definition: hevcdec.h:197
ff_hevc_hls_mvd_coding
void ff_hevc_hls_mvd_coding(HEVCLocalContext *lc, int x0, int y0, int log2_cb_size)
Definition: hevc_cabac.c:1549
HEVCContext::tab_mvf_pool
AVBufferPool * tab_mvf_pool
Definition: hevcdec.h:520
SliceHeader::slice_qp
int8_t slice_qp
Definition: hevcdec.h:315
ThreadFrame
Definition: threadframe.h:27
PredMode
PredMode
Definition: hevcdec.h:152
PredictionUnit::merge_flag
uint8_t merge_flag
Definition: hevcdec.h:372
NB_RPS_TYPE
@ NB_RPS_TYPE
Definition: hevcdec.h:86
SliceHeader::slice_cr_qp_offset
int slice_cr_qp_offset
Definition: hevcdec.h:296
HEVCContext
Definition: hevcdec.h:495
ff_hevc_prev_intra_luma_pred_flag_decode
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:760
CodingUnit::pred_mode
enum PredMode pred_mode
PredMode.
Definition: hevcdec.h:338
SliceHeader::pic_order_cnt_lsb
int pic_order_cnt_lsb
Definition: hevcdec.h:262
REF_IDX_L1
@ REF_IDX_L1
Definition: hevcdec.h:112
HEVCContext::rpu_buf
AVBufferRef * rpu_buf
0 or 1 Dolby Vision RPUs.
Definition: hevcdec.h:601
HEVCLocalContext::qPy_pred
int qPy_pred
Definition: hevcdec.h:465
HEVCFrame::tab_mvf_buf
AVBufferRef * tab_mvf_buf
Definition: hevcdec.h:418
SCAN_DIAG
@ SCAN_DIAG
Definition: hevcdec.h:224
SliceHeader::rpl_modification_flag
uint8_t rpl_modification_flag[2]
Definition: hevcdec.h:278
ShortTermRPS
Definition: hevc_ps.h:72
SAO_EO_VERT
@ SAO_EO_VERT
Definition: hevcdec.h:218
ff_hevc_split_coding_unit_flag_decode
int ff_hevc_split_coding_unit_flag_decode(HEVCLocalContext *lc, int ct_depth, int x0, int y0)
Definition: hevc_cabac.c:697
ff_hevc_sao_offset_sign_decode
int ff_hevc_sao_offset_sign_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:606
ABS_MVD_GREATER1_FLAG
@ ABS_MVD_GREATER1_FLAG
Definition: hevcdec.h:114
HEVCLocalContext::tu
TransformUnit tu
Definition: hevcdec.h:467
ff_hevc_log2_res_scale_abs
int ff_hevc_log2_res_scale_abs(HEVCLocalContext *lc, int idx)
Definition: hevc_cabac.c:909
VideoDSPContext
Definition: videodsp.h:40
CodingUnit::y
int y
Definition: hevcdec.h:336
HEVCContext::vdsp
VideoDSPContext vdsp
Definition: hevcdec.h:548
INTRA_ANGULAR_24
@ INTRA_ANGULAR_24
Definition: hevcdec.h:196
Mv
Definition: hevcdec.h:347
SAO_OFFSET_SIGN
@ SAO_OFFSET_SIGN
Definition: hevcdec.h:95
flush
void(* flush)(AVBSFContext *ctx)
Definition: dts2pts_bsf.c:367
PRED_L0
@ PRED_L0
Definition: hevcdec.h:159
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:82
HEVCCABACState::stat_coeff
uint8_t stat_coeff[HEVC_STAT_COEFFS]
Definition: hevcdec.h:231
INTRA_ANGULAR_31
@ INTRA_ANGULAR_31
Definition: hevcdec.h:203
ff_hevc_slice_rpl
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
Definition: hevc_refs.c:310
HEVCContext::eos
int eos
current packet contains an EOS/EOB NAL
Definition: hevcdec.h:536
ff_hevc_set_qPy
void ff_hevc_set_qPy(HEVCLocalContext *lc, int xBase, int yBase, int log2_cb_size)
Definition: hevc_filter.c:119
HEVCContext::vertical_bs
uint8_t * vertical_bs
Definition: hevcdec.h:553
ff_hevc_sao_band_position_decode
int ff_hevc_sao_band_position_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:586
ST_CURR_AFT
@ ST_CURR_AFT
Definition: hevcdec.h:82
CodingUnit::part_mode
enum PartMode part_mode
PartMode.
Definition: hevcdec.h:339
INTRA_ANGULAR_4
@ INTRA_ANGULAR_4
Definition: hevcdec.h:176
HEVC_MAX_REFS
@ HEVC_MAX_REFS
Definition: hevc.h:119
SliceHeader::tc_offset
int tc_offset
tc_offset_div2 * 2
Definition: hevcdec.h:305
LongTermRPS::nb_refs
uint8_t nb_refs
Definition: hevcdec.h:238
PredFlag
PredFlag
Definition: hevcdec.h:164
TransformUnit::cross_pf
uint8_t cross_pf
Definition: hevcdec.h:390
HEVCLocalContext::cu
CodingUnit cu
Definition: hevcdec.h:482
HEVCContext::sao_pixel_buffer_v
uint8_t * sao_pixel_buffer_v[3]
Definition: hevcdec.h:514
SliceHeader::pps_id
unsigned int pps_id
address (in raster order) of the first block in the current slice segment
Definition: hevcdec.h:253
videodsp.h
SliceHeader::luma_weight_l1
int16_t luma_weight_l1[16]
Definition: hevcdec.h:323
HEVCContext::sh
SliceHeader sh
Definition: hevcdec.h:526
ff_hevc_set_neighbour_available
void ff_hevc_set_neighbour_available(HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH)
Definition: hevc_mvs.c:43
int32_t
int32_t
Definition: audioconvert.c:56
PredictionUnit::mpm_idx
int mpm_idx
Definition: hevcdec.h:368
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:473
LAST_SIGNIFICANT_COEFF_Y_PREFIX
@ LAST_SIGNIFICANT_COEFF_Y_PREFIX
Definition: hevcdec.h:126
CU_CHROMA_QP_OFFSET_IDX
@ CU_CHROMA_QP_OFFSET_IDX
Definition: hevcdec.h:138
HEVCContext::wpp_err
atomic_int wpp_err
Definition: hevcdec.h:584
INTRA_ANGULAR_33
@ INTRA_ANGULAR_33
Definition: hevcdec.h:205
ff_hevc_frame_nb_refs
int ff_hevc_frame_nb_refs(const HEVCContext *s)
Get the number of candidate references for the current frame.
Definition: hevc_refs.c:539
RefPicListTab::refPicList
RefPicList refPicList[2]
Definition: hevcdec.h:249
PredictionUnit::chroma_mode_c
uint8_t chroma_mode_c[4]
Definition: hevcdec.h:374
PredictionUnit::intra_pred_mode
uint8_t intra_pred_mode[4]
Definition: hevcdec.h:370
HEVCContext::hpc
HEVCPredContext hpc
Definition: hevcdec.h:546
BswapDSPContext
Definition: bswapdsp.h:24
TransformUnit::is_cu_chroma_qp_offset_coded
uint8_t is_cu_chroma_qp_offset_coded
Definition: hevcdec.h:387
ff_hevc_pcm_flag_decode
int ff_hevc_pcm_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:755
SliceHeader::slice_qp_delta
int slice_qp_delta
Definition: hevcdec.h:294
SliceHeader::slice_addr
unsigned int slice_addr
Definition: hevcdec.h:258
SliceHeader::use_integer_mv_flag
uint8_t use_integer_mv_flag
Definition: hevcdec.h:308
RefPicList::isLongTerm
int isLongTerm[HEVC_MAX_REFS]
Definition: hevcdec.h:244
HEVCCABACState
Definition: hevcdec.h:229
HEVCContext::is_pcm
uint8_t * is_pcm
Definition: hevcdec.h:564
TransformUnit::intra_pred_mode_c
int intra_pred_mode_c
Definition: hevcdec.h:384
HEVCContext::hevcdsp
HEVCDSPContext hevcdsp
Definition: hevcdec.h:547
INTRA_ANGULAR_20
@ INTRA_ANGULAR_20
Definition: hevcdec.h:192
INTRA_ANGULAR_13
@ INTRA_ANGULAR_13
Definition: hevcdec.h:185
HEVCLocalContext::end_of_tiles_y
int end_of_tiles_y
Definition: hevcdec.h:474
INTRA_CHROMA_PRED_MODE
@ INTRA_CHROMA_PRED_MODE
Definition: hevcdec.h:107
H2645Packet
Definition: h2645_parse.h:82
CodingUnit::intra_split_flag
uint8_t intra_split_flag
IntraSplitFlag.
Definition: hevcdec.h:342
hevc_sei.h
ff_hevc_mvp_lx_flag_decode
int ff_hevc_mvp_lx_flag_decode(HEVCLocalContext *lc)
Definition: hevc_cabac.c:836
ff_hevc_clear_refs
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
Definition: hevc_refs.c:69
LAST_SIGNIFICANT_COEFF_X_SUFFIX
@ LAST_SIGNIFICANT_COEFF_X_SUFFIX
Definition: hevcdec.h:127
CABACContext
Definition: cabac.h:41
PART_2NxN
@ PART_2NxN
Definition: hevcdec.h:143
SliceHeader::long_term_rps
LongTermRPS long_term_rps
Definition: hevcdec.h:275
EXPLICIT_RDPCM_DIR_FLAG
@ EXPLICIT_RDPCM_DIR_FLAG
Definition: hevcdec.h:124
ff_hevc_cu_chroma_qp_offset_flag
int ff_hevc_cu_chroma_qp_offset_flag(HEVCLocalContext *lc)
Definition: hevc_cabac.c:676
HEVCLocalContext::cc
CABACContext cc
Definition: hevcdec.h:448
TransformUnit::cu_qp_offset_cr
int8_t cu_qp_offset_cr
Definition: hevcdec.h:389
HEVCParamSets
Definition: hevc_ps.h:439
HEVC_CONTEXTS
#define HEVC_CONTEXTS
Definition: hevcdec.h:52
SAO_MERGE_FLAG
@ SAO_MERGE_FLAG
Definition: hevcdec.h:90