Libav
hevc.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 Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_HEVC_H
24 #define AVCODEC_HEVC_H
25 
26 #include <stddef.h>
27 #include <stdint.h>
28 
29 #include "libavutil/buffer.h"
30 #include "libavutil/md5.h"
31 
32 #include "avcodec.h"
33 #include "bswapdsp.h"
34 #include "cabac.h"
35 #include "get_bits.h"
36 #include "hevcdsp.h"
37 #include "internal.h"
38 #include "thread.h"
39 #include "videodsp.h"
40 
41 #define MAX_DPB_SIZE 16 // A.4.1
42 #define MAX_REFS 16
43 
47 #define MAX_SUB_LAYERS 7
48 #define MAX_VPS_COUNT 16
49 #define MAX_SPS_COUNT 32
50 #define MAX_PPS_COUNT 256
51 #define MAX_SHORT_TERM_RPS_COUNT 64
52 #define MAX_CU_SIZE 128
53 
54 //TODO: check if this is really the maximum
55 #define MAX_TRANSFORM_DEPTH 5
56 
57 #define MAX_TB_SIZE 32
58 #define MAX_PB_SIZE 64
59 #define MAX_LOG2_CTB_SIZE 6
60 #define MAX_QP 51
61 #define DEFAULT_INTRA_TC_OFFSET 2
62 
63 #define HEVC_CONTEXTS 183
64 
65 #define MRG_MAX_NUM_CANDS 5
66 
67 #define L0 0
68 #define L1 1
69 
70 #define EPEL_EXTRA_BEFORE 1
71 #define EPEL_EXTRA_AFTER 2
72 #define EPEL_EXTRA 3
73 
74 #define EDGE_EMU_BUFFER_STRIDE 80
75 
79 #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
80 #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
81 
82 #define IS_IDR(s) (s->nal_unit_type == NAL_IDR_W_RADL || s->nal_unit_type == NAL_IDR_N_LP)
83 #define IS_BLA(s) (s->nal_unit_type == NAL_BLA_W_RADL || s->nal_unit_type == NAL_BLA_W_LP || \
84  s->nal_unit_type == NAL_BLA_N_LP)
85 #define IS_IRAP(s) (s->nal_unit_type >= 16 && s->nal_unit_type <= 23)
86 
87 #define FFUDIV(a,b) (((a) > 0 ? (a) : (a) - (b) + 1) / (b))
88 #define FFUMOD(a,b) ((a) - (b) * FFUDIV(a,b))
89 
96  NAL_TSA_N = 2,
97  NAL_TSA_R = 3,
110  NAL_VPS = 32,
111  NAL_SPS = 33,
112  NAL_PPS = 34,
113  NAL_AUD = 35,
119 };
120 
121 enum RPSType {
128 };
129 
130 enum SliceType {
131  B_SLICE = 0,
132  P_SLICE = 1,
133  I_SLICE = 2,
134 };
135 
180 };
181 
182 enum PartMode {
186  PART_NxN = 3,
191 };
192 
193 enum PredMode {
197 };
198 
200  PRED_L0 = 0,
203 };
204 
241 };
242 
243 enum SAOType {
247 };
248 
254 };
255 
256 enum ScanType {
260 };
261 
262 typedef struct ShortTermRPS {
263  unsigned int num_negative_pics;
267 } ShortTermRPS;
268 
269 typedef struct LongTermRPS {
270  int poc[32];
273 } LongTermRPS;
274 
275 typedef struct RefPicList {
279  int nb_refs;
280 } RefPicList;
281 
282 typedef struct RefPicListTab {
284 } RefPicListTab;
285 
286 typedef struct HEVCWindow {
291 } HEVCWindow;
292 
293 typedef struct VUI {
295 
298 
306 
311 
314 
317 
320  uint32_t vui_time_scale;
324 
334 } VUI;
335 
336 typedef struct PTLCommon {
346 } PTLCommon;
347 
348 typedef struct PTL {
351 
354 } PTL;
355 
356 typedef struct HEVCVPS {
360 
370  uint32_t vps_time_scale;
374 } HEVCVPS;
375 
376 typedef struct ScalingList {
377  /* This is a little wasteful, since sizeID 0 only needs 8 coeffs,
378  * and size ID 3 only has 2 arrays, not 6. */
379  uint8_t sl[4][6][64];
380  uint8_t sl_dc[2][6];
381 } ScalingList;
382 
383 typedef struct HEVCSPS {
384  int vps_id;
387 
391 
393 
397 
398  unsigned int log2_max_poc_lsb;
400 
402  struct {
407 
410 
413 
414  unsigned int nb_st_rps;
416 
419 
424 
425  struct {
428  unsigned int log2_min_pcm_cb_size;
429  unsigned int log2_max_pcm_cb_size;
431  } pcm;
434 
435  unsigned int log2_min_cb_size;
437  unsigned int log2_min_tb_size;
438  unsigned int log2_max_trafo_size;
439  unsigned int log2_ctb_size;
440  unsigned int log2_min_pu_size;
441 
444 
446  int width;
447  int height;
450  int ctb_size;
457 
458  int hshift[3];
459  int vshift[3];
460 
462 } HEVCSPS;
463 
464 typedef struct HEVCPPS {
465  unsigned int sps_id;
466 
468 
470 
474 
477 
480 
488 
492 
497 
499 
504  int tc_offset;
505 
508 
513 
514  // Inferred parameters
515  unsigned int *column_width;
516  unsigned int *row_height;
517  unsigned int *col_bd;
518  unsigned int *row_bd;
519  int *col_idxX;
520 
523  int *tile_id;
524  int *tile_pos_rs;
526 } HEVCPPS;
527 
528 typedef struct SliceHeader {
529  unsigned int pps_id;
530 
532  unsigned int slice_segment_addr;
534  unsigned int slice_addr;
535 
537 
539 
544 
549  unsigned int list_entry_lx[2][32];
550 
554 
555  unsigned int nb_refs[2];
556 
559 
564 
565  unsigned int collocated_ref_idx;
566 
570 
572  int tc_offset;
573 
574  unsigned int max_num_merge_cand;
575 
577 
578  int8_t slice_qp;
579 
582 
583  int16_t luma_weight_l0[16];
584  int16_t chroma_weight_l0[16][2];
585  int16_t chroma_weight_l1[16][2];
586  int16_t luma_weight_l1[16];
587 
588  int16_t luma_offset_l0[16];
589  int16_t chroma_offset_l0[16][2];
590 
591  int16_t luma_offset_l1[16];
592  int16_t chroma_offset_l1[16][2];
593 
595 } SliceHeader;
596 
597 typedef struct CodingTree {
598  int depth;
599 } CodingTree;
600 
601 typedef struct CodingUnit {
602  int x;
603  int y;
604 
607 
609 
611 
612  // Inferred parameters
616 } CodingUnit;
617 
618 typedef struct Mv {
619  int16_t x;
620  int16_t y;
621 } Mv;
622 
623 typedef struct MvField {
625  int8_t ref_idx[2];
626  int8_t pred_flag[2];
628 } MvField;
629 
630 typedef struct NeighbourAvailable {
633  int cand_up;
638 
639 typedef struct PredictionUnit {
640  int mpm_idx;
647 
648 typedef struct TransformUnit {
650 
651  // Inferred parameters;
654 } TransformUnit;
655 
656 typedef struct DBParams {
659 } DBParams;
660 
661 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
662 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
663 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
664 
665 typedef struct HEVCFrame {
672  int poc;
674 
676 
680 
685  uint16_t sequence;
686 
691 } HEVCFrame;
692 
693 typedef struct HEVCNAL {
696 
697  int size;
698  const uint8_t *data;
699 } HEVCNAL;
700 
701 struct HEVCContext;
702 
703 typedef struct HEVCPredContext {
704  void (*intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx);
705 
706  void (*pred_planar[4])(uint8_t *src, const uint8_t *top,
707  const uint8_t *left, ptrdiff_t stride);
708  void (*pred_dc)(uint8_t *src, const uint8_t *top, const uint8_t *left,
709  ptrdiff_t stride, int log2_size, int c_idx);
710  void (*pred_angular[4])(uint8_t *src, const uint8_t *top,
711  const uint8_t *left, ptrdiff_t stride,
712  int c_idx, int mode);
714 
715 typedef struct HEVCLocalContext {
718 
720 
723 
724  int8_t qp_y;
725  int8_t curr_qp_y;
726 
728 
736  /* +7 is for subpixel interpolation, *2 for high bit depths */
742 
743 #define BOUNDARY_LEFT_SLICE (1 << 0)
744 #define BOUNDARY_LEFT_TILE (1 << 1)
745 #define BOUNDARY_UPPER_SLICE (1 << 2)
746 #define BOUNDARY_UPPER_TILE (1 << 3)
747  /* properties of the boundary of the current CTB for the purposes
748  * of the deblocking filter */
751 
752 typedef struct HEVCContext {
753  const AVClass *c; // needed by private avoptions
755 
757 
759 
762 
767 
768  const HEVCVPS *vps;
769  const HEVCSPS *sps;
770  const HEVCPPS *pps;
774 
777 
780 
788  int poc;
789  int pocTid0;
790  int slice_idx;
791  int eos;
792  int max_ra;
793  int bs_width;
795 
797 
802  int8_t *qp_y_tab;
805 
807 
808  // CU
811  // PU
813 
814  uint8_t *cbf_luma; // cbf_luma of colocated TU
816 
817  // CTB-level flags affecting loop filter operation
819 
823 
828  uint16_t seq_decode;
829  uint16_t seq_output;
830 
832  int nb_nals;
834  // type of the first VCL NAL of the current frame
836 
837  // for checking the frame checksums
838  struct AVMD5 *md5_ctx;
839  uint8_t md5[3][16];
841 
844  int apply_defdispwin;
846 
849 
855 
860 } HEVCContext;
861 
863  const HEVCSPS *sps, int is_slice_header);
868 
873 
878 
882 int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb);
883 
885  int x0, int y0);
886 
891 
896 
897 void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
898 void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
907 int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0,
908  int x_cb, int y_cb);
911  int x0, int y0);
912 int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size);
920 int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
921 int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
928 int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
929 int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
930 int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
933  int log2_size);
935  int log2_size);
937  int last_significant_coeff_prefix);
939  int ctx_cg);
940 int ff_hevc_significant_coeff_flag_decode(HEVCContext *s, int c_idx, int x_c,
941  int y_c, int log2_trafo_size,
942  int scan_idx, int prev_sig);
944  int ctx_set);
946  int inc);
947 int ff_hevc_coeff_abs_level_remaining(HEVCContext *s, int base_level,
948  int rc_rice_param);
950 
955 
956 int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
957 
962 int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush);
963 
964 void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags);
965 
966 void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0,
967  int nPbW, int nPbH);
968 void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0,
969  int nPbW, int nPbH, int log2_cb_size,
970  int part_idx, int merge_idx, MvField *mv);
971 void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0,
972  int nPbW, int nPbH, int log2_cb_size,
973  int part_idx, int merge_idx,
974  MvField *mv, int mvp_lx_flag, int LX);
975 void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase,
976  int log2_cb_size);
977 void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0,
978  int log2_trafo_size);
981 void ff_hevc_hls_filter(HEVCContext *s, int x, int y);
982 void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size);
983 
984 void ff_hevc_pps_free(HEVCPPS **ppps);
985 
986 void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth);
987 
988 extern const uint8_t ff_hevc_qpel_extra_before[4];
989 extern const uint8_t ff_hevc_qpel_extra_after[4];
990 extern const uint8_t ff_hevc_qpel_extra[4];
991 
992 extern const uint8_t ff_hevc_diag_scan4x4_x[16];
993 extern const uint8_t ff_hevc_diag_scan4x4_y[16];
994 extern const uint8_t ff_hevc_diag_scan8x8_x[64];
995 extern const uint8_t ff_hevc_diag_scan8x8_y[64];
996 
997 #endif /* AVCODEC_HEVC_H */
int nals_allocated
Definition: hevc.h:833
#define EDGE_EMU_BUFFER_STRIDE
Definition: hevc.h:74
int frame_packing_arrangement_type
Definition: hevc.h:852
uint8_t ctb_up_flag
Definition: hevc.h:730
AVFrame * frame
Definition: hevc.h:666
unsigned int log2_min_cb_size
Definition: hevc.h:435
int sei_frame_packing_present
frame packing arrangement variables
Definition: hevc.h:851
int ff_hevc_merge_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:619
HEVCPredContext hpc
Definition: hevc.h:798
int min_spatial_segmentation_idc
Definition: hevc.h:329
NeighbourAvailable na
Definition: hevc.h:741
SliceType
Definition: hevc.h:130
Definition: hevc.h:126
int pic_order_cnt_lsb
Definition: hevc.h:538
int ff_hevc_frame_nb_refs(HEVCContext *s)
Get the number of candidate references for the current frame.
Definition: hevc_refs.c:470
int quincunx_subsampling
Definition: hevc.h:854
This structure describes decoded (raw) audio or video data.
Definition: frame.h:135
HEVCFrame * ref
Definition: hevc.h:786
Definition: hevc.h:623
int ctb_height
Definition: hevc.h:449
#define MAX_PPS_COUNT
Definition: hevc.h:50
uint8_t is_cu_qp_delta_coded
Definition: hevc.h:653
int ff_hevc_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:630
Definition: hevc.h:96
int ff_hevc_sao_band_position_decode(HEVCContext *s)
Definition: hevc_cabac.c:432
int vui_num_ticks_poc_diff_one_minus1
Definition: hevc.h:322
int max_dec_pic_buffering
Definition: hevc.h:403
VideoDSPContext vdsp
Definition: hevc.h:800
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevc.h:737
int ff_hevc_decode_nal_sps(HEVCContext *s)
Definition: hevc_ps.c:609
Definition: hevc.h:200
int content_interpretation_type
Definition: hevc.h:853
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:712
int vps_id
Definition: hevc.h:384
int16_t x
horizontal component of motion vector
Definition: hevc.h:619
unsigned int * row_height
RowHeight.
Definition: hevc.h:516
const uint8_t ff_hevc_qpel_extra[4]
Definition: hevc.c:43
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
Definition: hevc.h:372
#define MAX_REFS
Definition: hevc.h:42
int sei_hflip
Definition: hevc.h:859
uint8_t nb_refs
Definition: hevc.h:272
MvField * tab_mvf
Definition: hevc.h:668
int pic_init_qp_minus26
Definition: hevc.h:473
int bs_width
Definition: hevc.h:793
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:464
uint8_t intra_split_flag
IntraSplitFlag.
Definition: hevc.h:613
VUI vui
Definition: hevc.h:408
AVFrame * sao_frame
Definition: hevc.h:764
int rem_intra_luma_pred_mode
Definition: hevc.h:641
int vshift[3]
Definition: hevc.h:459
void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
Definition: hevc_mvs.c:546
int ff_hevc_significant_coeff_group_flag_decode(HEVCContext *s, int c_idx, int ctx_cg)
Definition: hevc_cabac.c:763
const uint8_t ff_hevc_diag_scan4x4_x[16]
Definition: hevc.c:85
unsigned int slice_addr
Definition: hevc.h:534
RPSType
Definition: hevc.h:121
uint32_t vui_time_scale
Definition: hevc.h:320
int nb_nals
Definition: hevc.h:832
uint8_t weighted_bipred_flag
Definition: hevc.h:485
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
Definition: hevc_refs.c:30
int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
Definition: hevc_ps.c:73
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:58
#define MAX_PB_SIZE
Definition: hevc.h:58
int tc_offset
Definition: hevc.h:658
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:598
int isLongTerm[MAX_REFS]
Definition: hevc.h:278
PredictionUnit pu
Definition: hevc.h:740
Definition: hevc.h:348
PartMode
Definition: hevc.h:182
uint8_t seq_loop_filter_across_slices_enabled_flag
Definition: hevc.h:498
uint8_t cabac_init_present_flag
Definition: hevc.h:469
int16_t chroma_offset_l1[16][2]
Definition: hevc.h:592
int chroma_loc_info_present_flag
Definition: hevc.h:307
void ff_hevc_hls_filter(HEVCContext *s, int x, int y)
Definition: hevc_filter.c:729
RefPicList refPicList[2]
Definition: hevc.h:283
Definition: hevc.h:246
int max_latency_increase
Definition: hevc.h:405
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
Definition: hevc_refs.c:388
int x
Definition: hevc.h:602
int nuh_layer_id
Definition: hevc.h:848
int ff_hevc_coeff_abs_level_greater2_flag_decode(HEVCContext *s, int c_idx, int inc)
Definition: hevc_cabac.c:831
int min_cb_height
Definition: hevc.h:452
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
Definition: hevc.h:522
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
Definition: hevc.h:471
uint8_t bit_depth
Definition: hevc.h:426
int cand_up_right
Definition: hevc.h:635
struct HEVCFrame * ref[MAX_REFS]
Definition: hevc.h:276
uint8_t dependent_slice_segment_flag
Definition: hevc.h:541
int list[MAX_REFS]
Definition: hevc.h:277
CABACContext cc
Definition: hevc.h:722
ShortTermRPS slice_rps
Definition: hevc.h:546
int bottom_offset
Definition: hevc.h:290
ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT]
Definition: hevc.h:415
int stride
Definition: mace.c:144
int chroma_sample_loc_type_top_field
Definition: hevc.h:308
int width
Definition: hevc.h:446
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:422
uint16_t seq_decode
Sequence counters for decoded and output frames, so that old frames are output first after a POC rese...
Definition: hevc.h:828
enum NALUnitType first_nal_type
Definition: hevc.h:835
int qp_bd_offset
Definition: hevc.h:461
#define MAX_SPS_COUNT
Definition: hevc.h:49
#define HEVC_CONTEXTS
Definition: hevc.h:63
int pixel_shift
Definition: hevc.h:395
uint8_t entropy_coding_sync_enabled_flag
Definition: hevc.h:491
HEVCWindow output_window
Definition: hevc.h:390
int max_ra
Definition: hevc.h:792
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:469
int output_width
Definition: hevc.h:389
int8_t curr_qp_y
Definition: hevc.h:725
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
Definition: hevc.h:510
AVBufferPool * rpl_tab_pool
candidate references for the current frame
Definition: hevc.h:776
CodingTree ct
Definition: hevc.h:738
int restricted_ref_pic_lists_flag
Definition: hevc.h:328
int nb_refs
Definition: hevc.h:279
int ff_hevc_last_significant_coeff_y_prefix_decode(HEVCContext *s, int c_idx, int log2_size)
Definition: hevc_cabac.c:745
int chroma_format_idc
Definition: hevc.h:385
uint8_t disable_dbf
Definition: hevc.h:502
unsigned int log2_max_trafo_size
Definition: hevc.h:438
unsigned int slice_segment_addr
address (in raster order) of the first block in the current slice
Definition: hevc.h:532
int ff_hevc_mpm_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:590
int ff_hevc_coeff_abs_level_greater1_flag_decode(HEVCContext *s, int c_idx, int ctx_set)
Definition: hevc_cabac.c:822
uint8_t profile_compatibility_flag[32]
Definition: hevc.h:340
Definition: hevc.h:293
unsigned int num_negative_pics
Definition: hevc.h:263
int end_of_tiles_x
Definition: hevc.h:734
uint8_t
uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:352
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
Definition: hevc_cabac.c:474
InterPredIdc
Definition: hevc.h:199
struct HEVCSPS::@23 pcm
unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS]
Definition: hevc.h:364
HEVCWindow pic_conf_win
Definition: hevc.h:392
uint8_t ctb_up_right_flag
Definition: hevc.h:731
LongTermRPS long_term_rps
Definition: hevc.h:548
const uint8_t * data
Definition: hevc.h:698
int overscan_info_present_flag
Definition: hevc.h:296
int poc[32]
Definition: hevc.h:270
uint8_t vps_timing_info_present_flag
Definition: hevc.h:368
int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:671
uint8_t matrix_coeffs
Definition: hevc.h:305
Multithreading support functions.
int min_tb_width
Definition: hevc.h:453
int cand_up_right_sap
Definition: hevc.h:636
int depth
ctDepth
Definition: hevc.h:598
uint8_t * rbsp_buffer
Definition: hevc.h:694
int num_entry_point_offsets
Definition: hevc.h:576
AVFrame * output_frame
Definition: hevc.h:766
int cand_up_left
Definition: hevc.h:634
int apply_defdispwin
Definition: hevc.h:845
SAOParams * sao
Definition: hevc.h:782
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
Definition: hevc.h:472
unsigned int log2_min_pcm_cb_size
Definition: hevc.h:428
AVCodecContext * avctx
Definition: hevc.h:754
int min_cb_width
Definition: hevc.h:451
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
Definition: hevc.h:359
int frame_field_info_present_flag
Definition: hevc.h:313
uint8_t tier_flag
Definition: hevc.h:338
uint8_t scaling_list_data_present_flag
Definition: hevc.h:506
HEVCNAL * nals
Definition: hevc.h:831
BswapDSPContext bdsp
Definition: hevc.h:801
ThreadFrame tf
Definition: hevc.h:667
uint8_t first_slice_in_pic_flag
Definition: hevc.h:540
uint8_t bit_depth_chroma
Definition: hevc.h:427
uint8_t ctb_up_left_flag
Definition: hevc.h:732
static int flags
Definition: log.c:44
int ff_hevc_decode_nal_sei(HEVCContext *s)
Definition: hevc_sei.c:134
bitstream reader API header.
Definition: hevc.h:201
int8_t * qp_y_tab
Definition: hevc.h:802
uint8_t loop_filter_disable_flag
Definition: hevc.h:430
int ff_hevc_mvd_decode(HEVCContext *s)
Definition: hevc_cabac.c:681
int sei_anticlockwise_rotation
Definition: hevc.h:858
uint8_t pic_output_flag
Definition: hevc.h:542
uint8_t * tab_ct_depth
Definition: hevc.h:810
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
Definition: hevc_refs.c:71
uint8_t cu_transquant_bypass_flag
Definition: hevc.h:615
Definition: md5.c:39
void ff_hevc_pps_free(HEVCPPS **ppps)
int bitstream_restriction_flag
Definition: hevc.h:325
uint8_t transquant_bypass_enable_flag
Definition: hevc.h:487
uint8_t used[32]
Definition: hevc.h:271
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
Definition: hevc_cabac.c:452
The buffer pool.
int temporal_id
temporal_id_plus1 - 1
Definition: hevc.h:785
uint8_t first_qp_group
Definition: hevc.h:719
HEVCDSPContext hevcdsp
Definition: hevc.h:799
int ctb_count
Definition: hevc.h:671
uint8_t no_output_of_prior_pics_flag
Definition: hevc.h:552
struct HEVCSPS::@22 temporal_layer[MAX_SUB_LAYERS]
Definition: hevc.h:112
int slice_idx
number of the slice being currently decoded
Definition: hevc.h:790
int vps_max_layer_id
Definition: hevc.h:366
uint8_t intra_pred_mode[4]
Definition: hevc.h:642
const HEVCSPS * sps
Definition: hevc.h:769
uint8_t colour_plane_id
RPS coded in the slice header itself is stored here.
Definition: hevc.h:543
uint8_t frame_only_constraint_flag
Definition: hevc.h:345
Definition: hevc.h:125
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size)
Definition: hevc_filter.c:586
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
Definition: hevc.h:761
unsigned int log2_max_poc_lsb
Definition: hevc.h:398
int vps_max_layers
Definition: hevc.h:358
void(* pred_dc)(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int log2_size, int c_idx)
Definition: hevc.h:708
int min_pu_height
Definition: hevc.h:456
AVBufferRef * vps_list[MAX_VPS_COUNT]
Definition: hevc.h:771
AVBufferRef * rpl_tab_buf
Definition: hevc.h:678
uint8_t rpl_modification_flag[2]
Definition: hevc.h:551
int vui_timing_info_present_flag
Definition: hevc.h:318
uint8_t amp_enabled_flag
Definition: hevc.h:417
Definition: hevc.h:186
RefPicList * refPicList
Definition: hevc.h:669
int16_t luma_offset_l0[16]
Definition: hevc.h:588
HEVCLocalContext HEVClc
Definition: hevc.h:756
int bs_height
Definition: hevc.h:794
void(* intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx)
Definition: hevc.h:704
#define MAX_SHORT_TERM_RPS_COUNT
Definition: hevc.h:51
int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb)
Compute POC of the current frame and return it.
Definition: hevc_refs.c:447
unsigned int log2_ctb_size
Definition: hevc.h:439
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:572
const ShortTermRPS * short_term_rps
Definition: hevc.h:547
int vui_poc_proportional_to_timing_flag
Definition: hevc.h:321
uint8_t merge_flag
Definition: hevc.h:644
SAOType
Definition: hevc.h:243
struct AVMD5 * md5_ctx
Definition: hevc.h:838
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:326
uint8_t vps_temporal_id_nesting_flag
Definition: hevc.h:357
int8_t slice_qp
Definition: hevc.h:578
uint8_t max_trafo_depth
MaxTrafoDepth.
Definition: hevc.h:614
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
Definition: hevc.h:685
uint8_t colour_primaries
Definition: hevc.h:303
uint8_t used[32]
Definition: hevc.h:266
uint8_t slice_temporal_mvp_enabled_flag
Definition: hevc.h:553
uint8_t * vertical_bs
Definition: hevc.h:804
int motion_vectors_over_pic_boundaries_flag
Definition: hevc.h:327
uint8_t tiles_enabled_flag
Definition: hevc.h:490
int ff_hevc_decode_nal_vps(HEVCContext *s)
Definition: hevc_ps.c:322
uint32_t vps_num_units_in_tick
Definition: hevc.h:369
int16_t luma_weight_l0[16]
Definition: hevc.h:583
const HEVCPPS * pps
Definition: hevc.h:770
int ff_hevc_mvd_sign_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:697
int * col_idxX
Definition: hevc.h:519
int slice_qp_delta
Definition: hevc.h:567
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:661
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
Definition: hevc.h:367
uint8_t is_intra
Definition: hevc.h:627
uint8_t lists_modification_present_flag
Definition: hevc.h:509
uint8_t profile_idc
Definition: hevc.h:339
AVBufferRef * tab_mvf_buf
Definition: hevc.h:677
int ff_hevc_coeff_abs_level_remaining(HEVCContext *s, int base_level, int rc_rice_param)
Definition: hevc_cabac.c:839
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:571
int ff_hevc_transform_skip_flag_decode(HEVCContext *s, int c_idx)
Definition: hevc_cabac.c:717
int max_transform_hierarchy_depth_inter
Definition: hevc.h:442
uint8_t cabac_state[HEVC_CONTEXTS]
Definition: hevc.h:717
int16_t mc_buffer[(64+7)*64]
Definition: hevc.h:716
int rbsp_buffer_size
Definition: hevc.h:695
int slice_cr_qp_offset
Definition: hevc.h:569
uint8_t vps_poc_proportional_to_timing_flag
Definition: hevc.h:371
int num_tile_columns
num_tile_columns_minus1 + 1
Definition: hevc.h:493
int output_height
Definition: hevc.h:389
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:154
uint8_t * tab_ipm
Definition: hevc.h:812
int size
Definition: hevc.h:697
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
Definition: hevc_filter.c:736
Definition: hevc.h:150
int hshift[3]
Definition: hevc.h:458
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
Definition: hevc_cabac.c:543
AVBufferRef * sps_list[MAX_SPS_COUNT]
Definition: hevc.h:772
int32_t
int max_bits_per_min_cu_denom
Definition: hevc.h:331
uint8_t cu_qp_delta_enabled_flag
Definition: hevc.h:478
uint8_t used_by_curr_pic_lt_sps_flag[32]
Definition: hevc.h:422
int8_t qp_y
Definition: hevc.h:724
Definition: hevc.h:133
Definition: hevc.h:202
int ctb_width
Definition: hevc.h:448
struct HEVCFrame * collocated_ref
Definition: hevc.h:673
int16_t chroma_weight_l0[16][2]
Definition: hevc.h:584
void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0, int nPbW, int nPbH)
Definition: hevc_mvs.c:41
uint8_t sl_dc[2][6]
Definition: hevc.h:380
int32_t delta_poc[32]
Definition: hevc.h:265
uint8_t sign_data_hiding_flag
Definition: hevc.h:467
int height
Definition: hevc.h:447
uint8_t output_flag_present_flag
Definition: hevc.h:486
int log2_max_mv_length_vertical
Definition: hevc.h:333
uint16_t seq_output
Definition: hevc.h:829
int mpm_idx
Definition: hevc.h:640
PTLCommon general_ptl
Definition: hevc.h:349
int16_t luma_offset_l1[16]
Definition: hevc.h:591
int16_t chroma_offset_l0[16][2]
Definition: hevc.h:589
int max_bytes_per_pic_denom
Definition: hevc.h:330
int overscan_appropriate_flag
Definition: hevc.h:297
Definition: hevc.h:111
AVBufferRef * pps_list[MAX_PPS_COUNT]
Definition: hevc.h:773
SAOEOClass
Definition: hevc.h:249
uint8_t constrained_intra_pred_flag
Definition: hevc.h:475
unsigned int pps_id
address (in raster order) of the first block in the current slice segment
Definition: hevc.h:529
uint8_t sl[4][6][64]
Definition: hevc.h:379
PTL ptl
Definition: hevc.h:361
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
Definition: hevc.h:483
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
Definition: hevc_cabac.c:524
uint32_t vps_time_scale
Definition: hevc.h:370
Definition: hevc.h:132
int colour_description_present_flag
Definition: hevc.h:302
static const int8_t mv[256][2]
Definition: 4xm.c:75
uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:353
Definition: hevc.h:383
enum AVPixelFormat pix_fmt
Definition: hevc.h:396
Definition: hevc.h:356
RefPicListTab ** rpl_tab
Definition: hevc.h:670
int sei_display_orientation_present
display orientation
Definition: hevc.h:857
int slice_cb_qp_offset
Definition: hevc.h:568
Definition: hevc.h:464
uint8_t transform_skip_enabled_flag
Definition: hevc.h:476
Libavcodec external API header.
Definition: hevc.h:693
int ff_hevc_significant_coeff_flag_decode(HEVCContext *s, int c_idx, int x_c, int y_c, int log2_trafo_size, int scan_idx, int prev_sig)
Definition: hevc_cabac.c:772
uint8_t uniform_spacing_flag
Definition: hevc.h:495
int ctb_size
Definition: hevc.h:450
uint8_t is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
Definition: hevc.h:843
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
Definition: hevc.h:521
Definition: hevc.h:167
PTL ptl
Definition: hevc.h:409
int max_sub_layers
Definition: hevc.h:401
unsigned int log2_min_pu_size
Definition: hevc.h:440
int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:676
int ff_hevc_decode_nal_pps(HEVCContext *s)
Definition: hevc_ps.c:988
int8_t pred_flag[2]
Definition: hevc.h:626
uint8_t md5[3][16]
Definition: hevc.h:839
unsigned int sps_id
seq_parameter_set_id
Definition: hevc.h:465
#define MAX_VPS_COUNT
Definition: hevc.h:48
ScalingList scaling_list
Definition: hevc.h:507
main external API structure.
Definition: avcodec.h:1050
uint8_t is_md5
Definition: hevc.h:840
int log2_max_mv_length_horizontal
Definition: hevc.h:332
uint8_t sao_enabled
Definition: hevc.h:418
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
enum PredMode pred_mode
PredMode.
Definition: hevc.h:605
int num_extra_slice_header_bits
Definition: hevc.h:511
int16_t y
vertical component of motion vector
Definition: hevc.h:620
uint8_t loop_filter_across_tiles_enabled_flag
Definition: hevc.h:496
Definition: hevc.h:110
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
Definition: hevc_refs.c:62
uint8_t num_long_term_ref_pics_sps
Definition: hevc.h:423
const HEVCVPS * vps
Definition: hevc.h:768
TransformUnit tu
Definition: hevc.h:727
void(* pred_angular[4])(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int c_idx, int mode)
Definition: hevc.h:710
uint32_t vui_num_units_in_tick
Definition: hevc.h:319
uint8_t ctb_left_flag
Definition: hevc.h:729
int y
Definition: hevc.h:603
uint8_t deblocking_filter_control_present_flag
Definition: hevc.h:500
int cu_qp_delta
Definition: hevc.h:649
uint8_t * is_pcm
Definition: hevc.h:815
Definition: hevc.h:113
void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
Definition: hevcpred.c:37
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
Definition: hevc.h:821
uint8_t sps_temporal_mvp_enabled_flag
Definition: hevc.h:432
unsigned int nb_st_rps
Definition: hevc.h:414
int chroma_sample_loc_type_bottom_field
Definition: hevc.h:309
AVFrame * tmp_frame
Definition: hevc.h:765
uint8_t cabac_init_flag
Definition: hevc.h:560
Describe the class of an AVClass context structure.
Definition: log.h:33
int num_tile_rows
num_tile_rows_minus1 + 1
Definition: hevc.h:494
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc.c:125
int poc
Definition: hevc.h:672
rational number numerator/denominator
Definition: rational.h:43
int vps_num_hrd_parameters
Definition: hevc.h:373
#define MAX_SUB_LAYERS
7.4.2.1
Definition: hevc.h:47
AVFrame * frame
Definition: hevc.h:763
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
Definition: hevc_cabac.c:457
unsigned int max_num_merge_cand
5 - 5_minus_max_num_merge_cand
Definition: hevc.h:574
int checksum_buf_size
Definition: hevc.h:822
DBParams * deblock
Definition: hevc.h:783
GetBitContext gb
Definition: hevc.h:721
unsigned int log2_min_tb_size
Definition: hevc.h:437
refcounted data buffer API
int poc
Definition: hevc.h:788
enum PartMode part_mode
PartMode.
Definition: hevc.h:606
uint16_t lt_ref_pic_poc_lsb_sps[32]
Definition: hevc.h:421
int top_offset
Definition: hevc.h:289
const uint8_t ff_hevc_qpel_extra_after[4]
Definition: hevc.c:42
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
Definition: hevc_refs.c:232
IntraPredMode
Definition: hevc.h:205
enum NALUnitType nal_unit_type
Definition: hevc.h:784
int start_of_tiles_x
Definition: hevc.h:733
Definition: hevc.h:618
HEVCWindow window
Definition: hevc.h:675
uint8_t scaling_list_enable_flag
Definition: hevc.h:411
int * tile_id
TileId.
Definition: hevc.h:523
int16_t luma_weight_l1[16]
Definition: hevc.h:586
int16_t chroma_log2_weight_denom
Definition: hevc.h:581
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:504
uint8_t transfer_characteristic
Definition: hevc.h:304
int pocTid0
Definition: hevc.h:789
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Definition: hevc.h:690
int default_display_window_flag
Definition: hevc.h:315
Definition: hevc.h:207
HEVCWindow def_disp_win
Definition: hevc.h:316
int cr_qp_offset
Definition: hevc.h:482
ScalingList scaling_list
Definition: hevc.h:412
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
Definition: hevc_cabac.c:635
unsigned int log2_diff_max_min_coding_block_size
Definition: hevc.h:436
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:707
Definition: hevc.h:152
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx)
Definition: hevc_cabac.c:645
unsigned int log2_max_pcm_cb_size
Definition: hevc.h:429
uint8_t intra_pred_mode_c
Definition: hevc.h:645
uint8_t level_idc
Definition: hevc.h:341
int eos
current packet contains an EOS/EOB NAL
Definition: hevc.h:791
int neutra_chroma_indication_flag
Definition: hevc.h:310
int * tile_pos_rs
TilePosRS.
Definition: hevc.h:524
NALUnitType
Table 7-3: NAL unit type codes.
Definition: hevc.h:93
RefPicList * ff_hevc_get_ref_list(HEVCContext *s, HEVCFrame *frame, int x0, int y0)
Definition: hevc_refs.c:52
int sei_vflip
Definition: hevc.h:859
A reference to a data buffer.
Definition: buffer.h:81
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:608
int max_transform_hierarchy_depth_intra
coded frame dimension in various units
Definition: hevc.h:443
uint8_t profile_space
Definition: hevc.h:337
Mv mv[2]
Definition: hevc.h:624
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:666
const uint8_t ff_hevc_qpel_extra_before[4]
Definition: hevc.c:41
uint8_t * skip_flag
Definition: hevc.h:809
int8_t ref_idx[2]
Definition: hevc.h:625
common internal api header.
unsigned int * row_bd
RowBd.
Definition: hevc.h:518
int video_format
Definition: hevc.h:300
uint8_t cabac_state[HEVC_CONTEXTS]
Definition: hevc.h:758
uint8_t weighted_pred_flag
Definition: hevc.h:484
uint8_t * horizontal_bs
Definition: hevc.h:803
Definition: hevc.h:245
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
Definition: alsdec.c:1771
unsigned int nb_refs[2]
Definition: hevc.h:555
int32_t * tab_slice_address
Definition: hevc.h:806
uint8_t disable_deblocking_filter_flag
slice_header_disable_deblocking_filter_flag
Definition: hevc.h:561
const AVClass * c
Definition: hevc.h:753
unsigned int * col_bd
ColBd.
Definition: hevc.h:517
unsigned int * column_width
ColumnWidth.
Definition: hevc.h:515
int cand_bottom_left
Definition: hevc.h:631
Definition: hevc.h:97
int right_offset
Definition: hevc.h:288
uint8_t * filter_slice_edges
Definition: hevc.h:818
uint8_t slice_header_extension_present_flag
Definition: hevc.h:512
uint8_t collocated_list
Definition: hevc.h:563
int ff_hevc_coeff_sign_flag(HEVCContext *s, uint8_t nb)
Definition: hevc_cabac.c:864
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
Definition: hevc.h:847
int slice_ctb_addr_rs
Definition: hevc.h:594
void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, 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:645
AVBufferPool * tab_mvf_pool
Definition: hevc.h:775
Core video DSP helper functions.
int video_full_range_flag
Definition: hevc.h:301
PTLCommon sub_layer_ptl[MAX_SUB_LAYERS]
Definition: hevc.h:350
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
Definition: hevc_cabac.c:489
AVRational sar
Definition: hevc.h:294
uint8_t slice_loop_filter_across_slices_enabled_flag
Definition: hevc.h:562
Definition: hevc.h:656
int num_delta_pocs
Definition: hevc.h:264
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:377
RefPicList rps[5]
Definition: hevc.h:779
uint8_t sps_strong_intra_smoothing_enable_flag
Definition: hevc.h:433
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
Definition: hevc_cabac.c:702
unsigned int collocated_ref_idx
Definition: hevc.h:565
Decoded Picture Buffer (DPB).
Definition: vaapi_h264.c:81
uint8_t pcm_flag
Definition: hevc.h:610
CodingUnit cu
Definition: hevc.h:739
int min_pu_width
Definition: hevc.h:455
Definition: hevc.h:124
int ff_hevc_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:519
int beta_offset
Definition: hevc.h:657
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
Definition: hevc_cabac.c:514
unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS]
Definition: hevc.h:363
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:585
SyntaxElement
Definition: hevc.h:136
void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase, int log2_cb_size)
Definition: hevc_filter.c:154
unsigned int list_entry_lx[2][32]
Definition: hevc.h:549
uint8_t luma_log2_weight_denom
Definition: hevc.h:580
int16_t chroma_weight_l1[16][2]
Definition: hevc.h:585
int ff_hevc_last_significant_coeff_suffix_decode(HEVCContext *s, int last_significant_coeff_prefix)
Definition: hevc_cabac.c:751
uint8_t long_term_ref_pics_present_flag
Definition: hevc.h:420
unsigned int vps_max_latency_increase[MAX_SUB_LAYERS]
Definition: hevc.h:365
Definition: hevc.h:131
void(* pred_planar[4])(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride)
Definition: hevc.h:706
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
Definition: hevc_refs.c:118
int ff_hevc_last_significant_coeff_x_prefix_decode(HEVCContext *s, int c_idx, int log2_size)
Definition: hevc_cabac.c:739
int boundary_flags
Definition: hevc.h:749
int vui_hrd_parameters_present_flag
Definition: hevc.h:323
int diff_cu_qp_delta_depth
Definition: hevc.h:479
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
Definition: hevc_cabac.c:442
int cur_intra_pred_mode
Definition: hevc.h:652
int ff_hevc_pcm_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:580
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc.c:106
int num_reorder_pics
Definition: hevc.h:404
uint8_t progressive_source_flag
Definition: hevc.h:342
int cb_qp_offset
Definition: hevc.h:481
uint8_t context_initialized
Definition: hevc.h:842
AVBufferRef * rpl_buf
Definition: hevc.h:679
int is_decoded
Definition: hevc.h:796
int video_signal_type_present_flag
Definition: hevc.h:299
uint8_t deblocking_filter_override_enabled_flag
Definition: hevc.h:501
int bit_depth
Definition: hevc.h:394
enum SliceType slice_type
Definition: hevc.h:536
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:503
int min_tb_height
Definition: hevc.h:454
int * min_tb_addr_zs
MinTbAddrZS.
Definition: hevc.h:525
int left_offset
Definition: hevc.h:287
uint8_t * cbf_luma
Definition: hevc.h:814
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:417
PredMode
Definition: hevc.h:193
SliceHeader sh
Definition: hevc.h:781
uint8_t non_packed_constraint_flag
Definition: hevc.h:344
ScanType
Definition: hevc.h:256
int pcm_enabled_flag
Definition: hevc.h:399
AVPixelFormat
Pixel format.
Definition: pixfmt.h:63
int tiles_fixed_structure_flag
Definition: hevc.h:326
uint8_t interlaced_source_flag
Definition: hevc.h:343
uint8_t mvd_l1_zero_flag
Definition: hevc.h:558
int field_seq_flag
Definition: hevc.h:312
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
Definition: hevc.h:386
int end_of_tiles_y
Definition: hevc.h:735
uint8_t rqt_root_cbf
Definition: hevc.h:608
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc.c:92
int vps_sub_layer_ordering_info_present_flag
Definition: hevc.h:362
Context Adaptive Binary Arithmetic Coder.
uint8_t slice_sample_adaptive_offset_flag[3]
Definition: hevc.h:557
uint8_t dependent_slice_segments_enabled_flag
Definition: hevc.h:489