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 "h2645_parse.h"
37 #include "hevcdsp.h"
38 #include "internal.h"
39 #include "thread.h"
40 #include "videodsp.h"
41 
42 #define MAX_DPB_SIZE 16 // A.4.1
43 #define MAX_REFS 16
44 
48 #define MAX_SUB_LAYERS 7
49 #define MAX_VPS_COUNT 16
50 #define MAX_SPS_COUNT 32
51 #define MAX_PPS_COUNT 256
52 #define MAX_SHORT_TERM_RPS_COUNT 64
53 #define MAX_CU_SIZE 128
54 
55 //TODO: check if this is really the maximum
56 #define MAX_TRANSFORM_DEPTH 5
57 
58 #define MAX_TB_SIZE 32
59 #define MAX_PB_SIZE 64
60 #define MAX_LOG2_CTB_SIZE 6
61 #define MAX_QP 51
62 #define DEFAULT_INTRA_TC_OFFSET 2
63 
64 #define HEVC_CONTEXTS 183
65 
66 #define MRG_MAX_NUM_CANDS 5
67 
68 #define L0 0
69 #define L1 1
70 
71 #define EPEL_EXTRA_BEFORE 1
72 #define EPEL_EXTRA_AFTER 2
73 #define EPEL_EXTRA 3
74 
75 #define EDGE_EMU_BUFFER_STRIDE 80
76 
80 #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
81 #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
82 
83 #define IS_IDR(s) (s->nal_unit_type == NAL_IDR_W_RADL || s->nal_unit_type == NAL_IDR_N_LP)
84 #define IS_BLA(s) (s->nal_unit_type == NAL_BLA_W_RADL || s->nal_unit_type == NAL_BLA_W_LP || \
85  s->nal_unit_type == NAL_BLA_N_LP)
86 #define IS_IRAP(s) (s->nal_unit_type >= 16 && s->nal_unit_type <= 23)
87 
88 #define FFUDIV(a,b) (((a) > 0 ? (a) : (a) - (b) + 1) / (b))
89 #define FFUMOD(a,b) ((a) - (b) * FFUDIV(a,b))
90 
97  NAL_TSA_N = 2,
98  NAL_TSA_R = 3,
111  NAL_VPS = 32,
112  NAL_SPS = 33,
113  NAL_PPS = 34,
114  NAL_AUD = 35,
120 };
121 
122 enum RPSType {
129 };
130 
131 enum SliceType {
132  B_SLICE = 0,
133  P_SLICE = 1,
134  I_SLICE = 2,
135 };
136 
181 };
182 
183 enum PartMode {
187  PART_NxN = 3,
192 };
193 
194 enum PredMode {
198 };
199 
201  PRED_L0 = 0,
204 };
205 
242 };
243 
244 enum SAOType {
248 };
249 
255 };
256 
257 enum ScanType {
261 };
262 
263 typedef struct ShortTermRPS {
264  unsigned int num_negative_pics;
269 } ShortTermRPS;
270 
271 typedef struct LongTermRPS {
272  int poc[32];
275 } LongTermRPS;
276 
277 typedef struct RefPicList {
278  struct HEVCFrame *ref[MAX_REFS];
279  int list[MAX_REFS];
280  int isLongTerm[MAX_REFS];
281  int nb_refs;
282 } RefPicList;
283 
284 typedef struct RefPicListTab {
285  RefPicList refPicList[2];
286 } RefPicListTab;
287 
288 typedef struct HEVCWindow {
289  unsigned int left_offset;
290  unsigned int right_offset;
291  unsigned int top_offset;
292  unsigned int bottom_offset;
293 } HEVCWindow;
294 
295 typedef struct VUI {
297 
300 
308 
313 
316 
319 
322  uint32_t vui_time_scale;
326 
336 } VUI;
337 
338 typedef struct PTLCommon {
342  uint8_t profile_compatibility_flag[32];
348 } PTLCommon;
349 
350 typedef struct PTL {
352  PTLCommon sub_layer_ptl[MAX_SUB_LAYERS];
353 
354  uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS];
355  uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS];
356 } PTL;
357 
358 typedef struct HEVCVPS {
362 
365  unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS];
366  unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS];
367  unsigned int vps_max_latency_increase[MAX_SUB_LAYERS];
372  uint32_t vps_time_scale;
376 } HEVCVPS;
377 
378 typedef struct ScalingList {
379  /* This is a little wasteful, since sizeID 0 only needs 8 coeffs,
380  * and size ID 3 only has 2 arrays, not 6. */
381  uint8_t sl[4][6][64];
382  uint8_t sl_dc[2][6];
383 } ScalingList;
384 
385 typedef struct HEVCSPS {
386  int vps_id;
389 
391  int output_width, output_height;
393 
395 
399 
400  unsigned int log2_max_poc_lsb;
402 
404  struct {
408  } temporal_layer[MAX_SUB_LAYERS];
409 
412 
415 
416  unsigned int nb_st_rps;
418 
421 
423  uint16_t lt_ref_pic_poc_lsb_sps[32];
424  uint8_t used_by_curr_pic_lt_sps_flag[32];
426 
427  struct {
430  unsigned int log2_min_pcm_cb_size;
431  unsigned int log2_max_pcm_cb_size;
433  } pcm;
436 
437  unsigned int log2_min_cb_size;
439  unsigned int log2_min_tb_size;
440  unsigned int log2_max_trafo_size;
441  unsigned int log2_ctb_size;
442  unsigned int log2_min_pu_size;
443 
446 
448  int width;
449  int height;
452  int ctb_size;
459 
460  int hshift[3];
461  int vshift[3];
462 
464 } HEVCSPS;
465 
466 typedef struct HEVCPPS {
467  unsigned int sps_id;
468 
470 
472 
476 
479 
482 
490 
494 
499 
501 
506  int tc_offset;
507 
510 
515 
516  // Inferred parameters
517  unsigned int *column_width;
518  unsigned int *row_height;
519  unsigned int *col_bd;
520  unsigned int *row_bd;
521  int *col_idxX;
522 
525  int *tile_id;
526  int *tile_pos_rs;
528 } HEVCPPS;
529 
530 typedef struct HEVCParamSets {
534 
535  /* currently active parameter sets */
536  const HEVCVPS *vps;
537  const HEVCSPS *sps;
538  const HEVCPPS *pps;
539 } HEVCParamSets;
540 
541 typedef struct SliceHeader {
542  unsigned int pps_id;
543 
545  unsigned int slice_segment_addr;
547  unsigned int slice_addr;
548 
549  enum SliceType slice_type;
550 
552 
557 
565  unsigned int list_entry_lx[2][32];
566 
567  uint8_t rpl_modification_flag[2];
570 
571  unsigned int nb_refs[2];
572 
573  uint8_t slice_sample_adaptive_offset_flag[3];
575 
580 
581  unsigned int collocated_ref_idx;
582 
586 
588  int tc_offset;
589 
590  unsigned int max_num_merge_cand;
591 
593 
594  int8_t slice_qp;
595 
598 
599  int16_t luma_weight_l0[16];
600  int16_t chroma_weight_l0[16][2];
601  int16_t chroma_weight_l1[16][2];
602  int16_t luma_weight_l1[16];
603 
604  int16_t luma_offset_l0[16];
605  int16_t chroma_offset_l0[16][2];
606 
607  int16_t luma_offset_l1[16];
608  int16_t chroma_offset_l1[16][2];
609 
611 } SliceHeader;
612 
613 typedef struct CodingTree {
614  int depth;
615 } CodingTree;
616 
617 typedef struct CodingUnit {
618  int x;
619  int y;
620 
621  enum PredMode pred_mode;
622  enum PartMode part_mode;
623 
624  // Inferred parameters
628 } CodingUnit;
629 
630 typedef struct Mv {
631  int16_t x;
632  int16_t y;
633 } Mv;
634 
635 typedef struct MvField {
637  int8_t ref_idx[2];
638  int8_t pred_flag[2];
640 } MvField;
641 
642 typedef struct NeighbourAvailable {
645  int cand_up;
650 
651 typedef struct PredictionUnit {
652  int mpm_idx;
654  uint8_t intra_pred_mode[4];
659 
660 typedef struct TransformUnit {
662 
663  // Inferred parameters;
666 } TransformUnit;
667 
668 typedef struct DBParams {
671 } DBParams;
672 
673 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
674 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
675 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
676 
677 typedef struct HEVCFrame {
684  int poc;
686 
688 
692 
695 
700  uint16_t sequence;
701 
706 } HEVCFrame;
707 
708 struct HEVCContext;
709 
710 typedef struct HEVCPredContext {
711  void (*intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx);
712 
713  void (*pred_planar[4])(uint8_t *src, const uint8_t *top,
714  const uint8_t *left, ptrdiff_t stride);
715  void (*pred_dc)(uint8_t *src, const uint8_t *top, const uint8_t *left,
716  ptrdiff_t stride, int log2_size, int c_idx);
717  void (*pred_angular[4])(uint8_t *src, const uint8_t *top,
718  const uint8_t *left, ptrdiff_t stride,
719  int c_idx, int mode);
721 
722 typedef struct HEVCLocalContext {
723  DECLARE_ALIGNED(16, int16_t, mc_buffer[(MAX_PB_SIZE + 24) * MAX_PB_SIZE]);
724  uint8_t cabac_state[HEVC_CONTEXTS];
725 
727 
730 
731  int8_t qp_y;
732  int8_t curr_qp_y;
733 
735 
743  /* +7 is for subpixel interpolation, *2 for high bit depths */
744  DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[(MAX_PB_SIZE + 7) * EDGE_EMU_BUFFER_STRIDE * 2];
749 
750 #define BOUNDARY_LEFT_SLICE (1 << 0)
751 #define BOUNDARY_LEFT_TILE (1 << 1)
752 #define BOUNDARY_UPPER_SLICE (1 << 2)
753 #define BOUNDARY_UPPER_TILE (1 << 3)
754  /* properties of the boundary of the current CTB for the purposes
755  * of the deblocking filter */
758 
759 typedef struct HEVCContext {
760  const AVClass *c; // needed by private avoptions
762 
764 
765  uint8_t cabac_state[HEVC_CONTEXTS];
766 
769 
774 
776 
779 
781  RefPicList rps[5];
782 
786  enum NALUnitType nal_unit_type;
790  int poc;
791  int pocTid0;
792  int slice_idx;
793  int eos;
794  int max_ra;
795  int bs_width;
797 
799 
804  int8_t *qp_y_tab;
807 
809 
810  // CU
813  // PU
815 
816  uint8_t *cbf_luma; // cbf_luma of colocated TU
818 
819  // CTB-level flags affecting loop filter operation
821 
825 
830  uint16_t seq_decode;
831  uint16_t seq_output;
832 
834  // type of the first VCL NAL of the current frame
835  enum NALUnitType first_nal_type;
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 
859  int sei_hflip, sei_vflip;
860 } HEVCContext;
861 
863  ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header);
864 
874 int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
875  int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx);
876 
878  HEVCParamSets *ps);
880  HEVCParamSets *ps, int apply_defdispwin);
882  HEVCParamSets *ps);
884 
889 
894 
898 int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb);
899 
901  int x0, int y0);
902 
907 
912 
913 void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
914 void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
923 int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0,
924  int x_cb, int y_cb);
927  int x0, int y0);
928 int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size);
936 int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
937 int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
944 int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
945 int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
946 int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
949  int log2_size);
951  int log2_size);
953  int last_significant_coeff_prefix);
955  int ctx_cg);
956 int ff_hevc_significant_coeff_flag_decode(HEVCContext *s, int c_idx, int x_c,
957  int y_c, int log2_trafo_size,
958  int scan_idx, int prev_sig);
960  int ctx_set);
962  int inc);
963 int ff_hevc_coeff_abs_level_remaining(HEVCContext *s, int base_level,
964  int rc_rice_param);
966 
971 
972 int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
973 
978 int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush);
979 
980 void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags);
981 
982 void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0,
983  int nPbW, int nPbH);
984 void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0,
985  int nPbW, int nPbH, int log2_cb_size,
986  int part_idx, int merge_idx, MvField *mv);
987 void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0,
988  int nPbW, int nPbH, int log2_cb_size,
989  int part_idx, int merge_idx,
990  MvField *mv, int mvp_lx_flag, int LX);
991 void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase,
992  int log2_cb_size);
993 void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0,
994  int log2_trafo_size);
997 void ff_hevc_hls_filter(HEVCContext *s, int x, int y);
998 void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size);
999 
1000 void ff_hevc_pps_free(HEVCPPS **ppps);
1001 
1002 void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth);
1003 
1004 int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id,
1005  uint8_t *buf, int buf_size);
1006 
1007 extern const uint8_t ff_hevc_qpel_extra_before[4];
1008 extern const uint8_t ff_hevc_qpel_extra_after[4];
1009 extern const uint8_t ff_hevc_qpel_extra[4];
1010 
1011 extern const uint8_t ff_hevc_diag_scan4x4_x[16];
1012 extern const uint8_t ff_hevc_diag_scan4x4_y[16];
1013 extern const uint8_t ff_hevc_diag_scan8x8_x[64];
1014 extern const uint8_t ff_hevc_diag_scan8x8_y[64];
1015 
1016 #endif /* AVCODEC_HEVC_H */
#define EDGE_EMU_BUFFER_STRIDE
Definition: hevc.h:75
int frame_packing_arrangement_type
Definition: hevc.h:852
uint8_t ctb_up_flag
Definition: hevc.h:737
const HEVCPPS * pps
Definition: hevc.h:538
AVFrame * frame
Definition: hevc.h:678
unsigned int log2_min_cb_size
Definition: hevc.h:437
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:800
int min_spatial_segmentation_idc
Definition: hevc.h:331
NeighbourAvailable na
Definition: hevc.h:748
SliceType
Definition: hevc.h:131
Definition: hevc.h:127
int pic_order_cnt_lsb
Definition: hevc.h:551
int short_term_ref_pic_set_sps_flag
Definition: hevc.h:559
int ff_hevc_frame_nb_refs(HEVCContext *s)
Get the number of candidate references for the current frame.
Definition: hevc_refs.c:488
int quincunx_subsampling
Definition: hevc.h:854
int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id, uint8_t *buf, int buf_size)
Definition: hevc_ps_enc.c:66
This structure describes decoded (raw) audio or video data.
Definition: frame.h:140
HEVCFrame * ref
Definition: hevc.h:788
Definition: hevc.h:635
int ctb_height
Definition: hevc.h:451
#define MAX_PPS_COUNT
Definition: hevc.h:51
uint8_t is_cu_qp_delta_coded
Definition: hevc.h:665
int ff_hevc_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:630
Definition: hevc.h:97
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:324
int max_dec_pic_buffering
Definition: hevc.h:405
VideoDSPContext vdsp
Definition: hevc.h:802
Definition: hevc.h:201
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:386
int16_t x
horizontal component of motion vector
Definition: hevc.h:631
unsigned int * row_height
RowHeight.
Definition: hevc.h:518
const uint8_t ff_hevc_qpel_extra[4]
Definition: hevc.c:44
void * hwaccel_picture_private
Definition: hevc.h:694
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
Definition: hevc.h:374
#define MAX_REFS
Definition: hevc.h:43
uint8_t nb_refs
Definition: hevc.h:274
MvField * tab_mvf
Definition: hevc.h:680
int pic_init_qp_minus26
Definition: hevc.h:475
int bs_width
Definition: hevc.h:795
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:464
uint8_t intra_split_flag
IntraSplitFlag.
Definition: hevc.h:625
VUI vui
Definition: hevc.h:410
AVFrame * sao_frame
Definition: hevc.h:771
int rem_intra_luma_pred_mode
Definition: hevc.h:653
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_data.c:25
unsigned int slice_addr
Definition: hevc.h:547
RPSType
Definition: hevc.h:122
uint32_t vui_time_scale
Definition: hevc.h:322
uint8_t weighted_bipred_flag
Definition: hevc.h:487
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
Definition: hevc_refs.c:31
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:58
unsigned int left_offset
Definition: hevc.h:289
#define MAX_PB_SIZE
Definition: hevc.h:59
int tc_offset
Definition: hevc.h:670
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:598
PredictionUnit pu
Definition: hevc.h:747
Definition: hevc.h:350
PartMode
Definition: hevc.h:183
uint8_t seq_loop_filter_across_slices_enabled_flag
Definition: hevc.h:500
uint8_t cabac_init_present_flag
Definition: hevc.h:471
int chroma_loc_info_present_flag
Definition: hevc.h:309
void ff_hevc_hls_filter(HEVCContext *s, int x, int y)
Definition: hevc_filter.c:728
Definition: hevc.h:247
int max_latency_increase
Definition: hevc.h:407
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
Definition: hevc_refs.c:405
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
Definition: hevc_ps.c:984
HEVCParamSets ps
Definition: hevc.h:775
int x
Definition: hevc.h:618
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:454
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
Definition: hevc.h:524
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
Definition: hevc.h:473
uint8_t bit_depth
Definition: hevc.h:428
int cand_up_right
Definition: hevc.h:647
uint8_t dependent_slice_segment_flag
Definition: hevc.h:554
CABACContext cc
Definition: hevc.h:729
ShortTermRPS slice_rps
Definition: hevc.h:561
int stride
Definition: mace.c:144
int chroma_sample_loc_type_top_field
Definition: hevc.h:310
int width
Definition: hevc.h:448
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:830
int qp_bd_offset
Definition: hevc.h:463
#define MAX_SPS_COUNT
Definition: hevc.h:50
#define HEVC_CONTEXTS
Definition: hevc.h:64
int pixel_shift
Definition: hevc.h:397
uint8_t entropy_coding_sync_enabled_flag
Definition: hevc.h:493
HEVCWindow output_window
Definition: hevc.h:392
int max_ra
Definition: hevc.h:794
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:469
int output_width
Definition: hevc.h:391
int8_t curr_qp_y
Definition: hevc.h:732
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
Definition: hevc.h:512
AVBufferPool * rpl_tab_pool
candidate references for the current frame
Definition: hevc.h:778
CodingTree ct
Definition: hevc.h:745
int restricted_ref_pic_lists_flag
Definition: hevc.h:330
int nb_refs
Definition: hevc.h:281
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:387
uint8_t disable_dbf
Definition: hevc.h:504
unsigned int log2_max_trafo_size
Definition: hevc.h:440
unsigned int slice_segment_addr
address (in raster order) of the first block in the current slice
Definition: hevc.h:545
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
Definition: hevc.h:295
unsigned int num_negative_pics
Definition: hevc.h:264
int end_of_tiles_x
Definition: hevc.h:741
uint8_t
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:200
HEVCWindow pic_conf_win
Definition: hevc.h:394
uint8_t ctb_up_right_flag
Definition: hevc.h:738
LongTermRPS long_term_rps
Definition: hevc.h:564
int overscan_info_present_flag
Definition: hevc.h:298
uint8_t vps_timing_info_present_flag
Definition: hevc.h:370
int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:671
uint8_t matrix_coeffs
Definition: hevc.h:307
Multithreading support functions.
int min_tb_width
Definition: hevc.h:455
int cand_up_right_sap
Definition: hevc.h:648
int depth
ctDepth
Definition: hevc.h:614
int num_entry_point_offsets
Definition: hevc.h:592
AVFrame * output_frame
Definition: hevc.h:773
int cand_up_left
Definition: hevc.h:646
SAOParams * sao
Definition: hevc.h:784
const HEVCVPS * vps
Definition: hevc.h:536
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
Definition: hevc.h:474
unsigned int log2_min_pcm_cb_size
Definition: hevc.h:430
AVCodecContext * avctx
Definition: hevc.h:761
int min_cb_width
Definition: hevc.h:453
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
Definition: hevc.h:361
int frame_field_info_present_flag
Definition: hevc.h:315
uint8_t tier_flag
Definition: hevc.h:340
struct AVMD5 * md5
Definition: movenc.c:56
uint8_t scaling_list_data_present_flag
Definition: hevc.h:508
BswapDSPContext bdsp
Definition: hevc.h:803
ThreadFrame tf
Definition: hevc.h:679
uint8_t first_slice_in_pic_flag
Definition: hevc.h:553
uint8_t bit_depth_chroma
Definition: hevc.h:429
uint8_t ctb_up_left_flag
Definition: hevc.h:739
static int flags
Definition: log.c:50
int ff_hevc_decode_nal_sei(HEVCContext *s)
Definition: hevc_sei.c:184
bitstream reader API header.
Definition: hevc.h:202
int8_t * qp_y_tab
Definition: hevc.h:804
uint8_t loop_filter_disable_flag
Definition: hevc.h:432
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:555
uint8_t * tab_ct_depth
Definition: hevc.h:812
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
Definition: hevc_refs.c:75
uint8_t cu_transquant_bypass_flag
Definition: hevc.h:627
Definition: md5.c:40
void ff_hevc_pps_free(HEVCPPS **ppps)
int bitstream_restriction_flag
Definition: hevc.h:327
uint8_t transquant_bypass_enable_flag
Definition: hevc.h:489
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:787
uint8_t first_qp_group
Definition: hevc.h:726
HEVCDSPContext hevcdsp
Definition: hevc.h:801
int ctb_count
Definition: hevc.h:683
uint8_t no_output_of_prior_pics_flag
Definition: hevc.h:568
Definition: hevc.h:113
int slice_idx
number of the slice being currently decoded
Definition: hevc.h:792
int vps_max_layer_id
Definition: hevc.h:368
#define src
Definition: vp8dsp.c:254
uint8_t colour_plane_id
RPS coded in the slice header itself is stored here.
Definition: hevc.h:556
uint8_t frame_only_constraint_flag
Definition: hevc.h:347
Definition: hevc.h:126
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size)
Definition: hevc_filter.c:585
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
Definition: hevc.h:768
unsigned int log2_max_poc_lsb
Definition: hevc.h:400
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:1175
int vps_max_layers
Definition: hevc.h:360
int min_pu_height
Definition: hevc.h:458
AVBufferRef * rpl_tab_buf
Definition: hevc.h:690
int vui_timing_info_present_flag
Definition: hevc.h:320
uint8_t amp_enabled_flag
Definition: hevc.h:419
Definition: hevc.h:187
RefPicList * refPicList
Definition: hevc.h:681
HEVCLocalContext HEVClc
Definition: hevc.h:763
int bs_height
Definition: hevc.h:796
#define MAX_SHORT_TERM_RPS_COUNT
Definition: hevc.h:52
int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb)
Compute POC of the current frame and return it.
Definition: hevc_refs.c:465
unsigned int log2_ctb_size
Definition: hevc.h:441
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:588
const ShortTermRPS * short_term_rps
Definition: hevc.h:562
int vui_poc_proportional_to_timing_flag
Definition: hevc.h:323
uint8_t merge_flag
Definition: hevc.h:656
SAOType
Definition: hevc.h:244
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:359
int8_t slice_qp
Definition: hevc.h:594
uint8_t max_trafo_depth
MaxTrafoDepth.
Definition: hevc.h:626
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
Definition: hevc.h:700
uint8_t colour_primaries
Definition: hevc.h:305
uint8_t used[32]
Definition: hevc.h:268
uint8_t slice_temporal_mvp_enabled_flag
Definition: hevc.h:569
uint8_t * vertical_bs
Definition: hevc.h:806
int motion_vectors_over_pic_boundaries_flag
Definition: hevc.h:329
uint8_t tiles_enabled_flag
Definition: hevc.h:492
uint32_t vps_num_units_in_tick
Definition: hevc.h:371
int ff_hevc_mvd_sign_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:697
int * col_idxX
Definition: hevc.h:521
int slice_qp_delta
Definition: hevc.h:583
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:661
const HEVCSPS * sps
Definition: hevc.h:537
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
Definition: hevc.h:369
uint8_t is_intra
Definition: hevc.h:639
uint8_t lists_modification_present_flag
Definition: hevc.h:511
uint8_t profile_idc
Definition: hevc.h:341
AVBufferRef * tab_mvf_buf
Definition: hevc.h:689
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:587
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:444
int slice_cr_qp_offset
Definition: hevc.h:585
uint8_t vps_poc_proportional_to_timing_flag
Definition: hevc.h:373
int num_tile_columns
num_tile_columns_minus1 + 1
Definition: hevc.h:495
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:169
uint8_t * tab_ipm
Definition: hevc.h:814
unsigned int top_offset
Definition: hevc.h:291
static void FUNC() pred_dc(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int log2_size, int c_idx)
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
Definition: hevc_filter.c:735
Definition: hevc.h:151
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
Definition: hevc_cabac.c:543
int32_t
int max_bits_per_min_cu_denom
Definition: hevc.h:333
uint8_t cu_qp_delta_enabled_flag
Definition: hevc.h:480
int8_t qp_y
Definition: hevc.h:731
Definition: hevc.h:134
Definition: hevc.h:203
int ctb_width
Definition: hevc.h:450
struct HEVCFrame * collocated_ref
Definition: hevc.h:685
void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0, int nPbW, int nPbH)
Definition: hevc_mvs.c:41
int32_t delta_poc[32]
Definition: hevc.h:267
uint8_t sign_data_hiding_flag
Definition: hevc.h:469
int height
Definition: hevc.h:449
uint8_t output_flag_present_flag
Definition: hevc.h:488
int log2_max_mv_length_vertical
Definition: hevc.h:335
uint16_t seq_output
Definition: hevc.h:831
int mpm_idx
Definition: hevc.h:652
enum AVPixelFormat pix_fmt
Definition: movenc.c:853
PTLCommon general_ptl
Definition: hevc.h:351
int max_bytes_per_pic_denom
Definition: hevc.h:332
static av_always_inline void FUNC() intra_pred(HEVCContext *s, int x0, int y0, int log2_size, int c_idx)
int overscan_appropriate_flag
Definition: hevc.h:299
Definition: hevc.h:112
SAOEOClass
Definition: hevc.h:250
uint8_t constrained_intra_pred_flag
Definition: hevc.h:477
unsigned int pps_id
address (in raster order) of the first block in the current slice segment
Definition: hevc.h:542
PTL ptl
Definition: hevc.h:363
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
Definition: hevc.h:485
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:372
Definition: hevc.h:133
int colour_description_present_flag
Definition: hevc.h:304
static const int8_t mv[256][2]
Definition: 4xm.c:75
Definition: hevc.h:385
Definition: hevc.h:358
RefPicListTab ** rpl_tab
Definition: hevc.h:682
int sei_display_orientation_present
display orientation
Definition: hevc.h:857
int slice_cb_qp_offset
Definition: hevc.h:584
Definition: hevc.h:466
uint8_t transform_skip_enabled_flag
Definition: hevc.h:478
int short_term_ref_pic_set_size
Definition: hevc.h:560
Libavcodec external API header.
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:497
int ctb_size
Definition: hevc.h:452
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:523
Definition: hevc.h:168
PTL ptl
Definition: hevc.h:411
int max_sub_layers
Definition: hevc.h:403
unsigned int log2_min_pu_size
Definition: hevc.h:442
int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:676
unsigned int sps_id
seq_parameter_set_id
Definition: hevc.h:467
#define MAX_VPS_COUNT
Definition: hevc.h:49
ScalingList scaling_list
Definition: hevc.h:509
int long_term_ref_pic_set_size
Definition: hevc.h:563
main external API structure.
Definition: avcodec.h:1409
uint8_t is_md5
Definition: hevc.h:840
int log2_max_mv_length_horizontal
Definition: hevc.h:334
uint8_t sao_enabled
Definition: hevc.h:420
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
AVBufferRef * hwaccel_priv_buf
Definition: hevc.h:693
int num_extra_slice_header_bits
Definition: hevc.h:513
int16_t y
vertical component of motion vector
Definition: hevc.h:632
uint8_t loop_filter_across_tiles_enabled_flag
Definition: hevc.h:498
Definition: hevc.h:111
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
Definition: hevc_refs.c:66
uint8_t num_long_term_ref_pics_sps
Definition: hevc.h:425
TransformUnit tu
Definition: hevc.h:734
uint32_t vui_num_units_in_tick
Definition: hevc.h:321
uint8_t ctb_left_flag
Definition: hevc.h:736
int y
Definition: hevc.h:619
uint8_t deblocking_filter_control_present_flag
Definition: hevc.h:502
int cu_qp_delta
Definition: hevc.h:661
uint8_t * is_pcm
Definition: hevc.h:817
Definition: hevc.h:114
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:823
uint8_t sps_temporal_mvp_enabled_flag
Definition: hevc.h:434
unsigned int nb_st_rps
Definition: hevc.h:416
int chroma_sample_loc_type_bottom_field
Definition: hevc.h:311
AVFrame * tmp_frame
Definition: hevc.h:772
uint8_t cabac_init_flag
Definition: hevc.h:576
Describe the class of an AVClass context structure.
Definition: log.h:34
int num_tile_rows
num_tile_rows_minus1 + 1
Definition: hevc.h:496
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc_data.c:58
int poc
Definition: hevc.h:684
rational number numerator/denominator
Definition: rational.h:43
int vps_num_hrd_parameters
Definition: hevc.h:375
#define MAX_SUB_LAYERS
7.4.2.1
Definition: hevc.h:48
AVFrame * frame
Definition: hevc.h:770
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:590
int checksum_buf_size
Definition: hevc.h:824
DBParams * deblock
Definition: hevc.h:785
GetBitContext gb
Definition: hevc.h:728
unsigned int log2_min_tb_size
Definition: hevc.h:439
refcounted data buffer API
int poc
Definition: hevc.h:790
const uint8_t ff_hevc_qpel_extra_after[4]
Definition: hevc.c:43
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
Definition: hevc_refs.c:247
IntraPredMode
Definition: hevc.h:206
int start_of_tiles_x
Definition: hevc.h:740
Definition: hevc.h:630
HEVCWindow window
Definition: hevc.h:687
uint8_t scaling_list_enable_flag
Definition: hevc.h:413
int * tile_id
TileId.
Definition: hevc.h:525
int16_t chroma_log2_weight_denom
Definition: hevc.h:597
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:506
uint8_t transfer_characteristic
Definition: hevc.h:306
int pocTid0
Definition: hevc.h:791
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Definition: hevc.h:705
int default_display_window_flag
Definition: hevc.h:317
Definition: hevc.h:208
HEVCWindow def_disp_win
Definition: hevc.h:318
int cr_qp_offset
Definition: hevc.h:484
ScalingList scaling_list
Definition: hevc.h:414
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
Definition: hevc_cabac.c:635
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:358
unsigned int log2_diff_max_min_coding_block_size
Definition: hevc.h:438
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:707
Definition: hevc.h:153
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:431
uint8_t intra_pred_mode_c
Definition: hevc.h:657
uint8_t level_idc
Definition: hevc.h:343
int eos
current packet contains an EOS/EOB NAL
Definition: hevc.h:793
int neutra_chroma_indication_flag
Definition: hevc.h:312
int * tile_pos_rs
TilePosRS.
Definition: hevc.h:526
NALUnitType
Table 7-3: NAL unit type codes.
Definition: hevc.h:94
RefPicList * ff_hevc_get_ref_list(HEVCContext *s, HEVCFrame *frame, int x0, int y0)
Definition: hevc_refs.c:56
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:445
uint8_t profile_space
Definition: hevc.h:339
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:42
uint8_t * skip_flag
Definition: hevc.h:811
common internal api header.
unsigned int * row_bd
RowBd.
Definition: hevc.h:520
int video_format
Definition: hevc.h:302
uint8_t weighted_pred_flag
Definition: hevc.h:486
uint8_t * horizontal_bs
Definition: hevc.h:805
Definition: hevc.h:246
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
Definition: alsdec.c:1797
int32_t * tab_slice_address
Definition: hevc.h:808
uint8_t disable_deblocking_filter_flag
slice_header_disable_deblocking_filter_flag
Definition: hevc.h:577
const AVClass * c
Definition: hevc.h:760
unsigned int * col_bd
ColBd.
Definition: hevc.h:519
unsigned int * column_width
ColumnWidth.
Definition: hevc.h:517
int cand_bottom_left
Definition: hevc.h:643
Definition: hevc.h:98
uint8_t * filter_slice_edges
Definition: hevc.h:820
uint8_t slice_header_extension_present_flag
Definition: hevc.h:514
uint8_t collocated_list
Definition: hevc.h:579
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:610
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:777
Core video DSP helper functions.
int video_full_range_flag
Definition: hevc.h:303
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
Definition: hevc_cabac.c:489
AVRational sar
Definition: hevc.h:296
static av_always_inline void FUNC() pred_planar(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int trafo_size)
uint8_t slice_loop_filter_across_slices_enabled_flag
Definition: hevc.h:578
Definition: hevc.h:668
int num_delta_pocs
Definition: hevc.h:265
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:377
uint8_t sps_strong_intra_smoothing_enable_flag
Definition: hevc.h:435
int rps_idx_num_delta_pocs
Definition: hevc.h:266
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:581
Decoded Picture Buffer (DPB).
Definition: vaapi_h264.c:82
CodingUnit cu
Definition: hevc.h:746
int min_pu_width
Definition: hevc.h:457
Definition: hevc.h:125
int ff_hevc_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:519
int beta_offset
Definition: hevc.h:669
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
Definition: hevc_cabac.c:514
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:585
SyntaxElement
Definition: hevc.h:137
void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase, int log2_cb_size)
Definition: hevc_filter.c:153
uint8_t luma_log2_weight_denom
Definition: hevc.h:596
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:422
Definition: hevc.h:132
H2645Packet pkt
Definition: hevc.h:833
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
Definition: hevc_refs.c:133
int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
Parse the SPS from the bitstream into the provided HEVCSPS struct.
Definition: hevc_ps.c:682
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:756
int vui_hrd_parameters_present_flag
Definition: hevc.h:325
unsigned int right_offset
Definition: hevc.h:290
int diff_cu_qp_delta_depth
Definition: hevc.h:481
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
Definition: hevc_cabac.c:442
int cur_intra_pred_mode
Definition: hevc.h:664
int ff_hevc_pcm_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:580
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc_data.c:39
int num_reorder_pics
Definition: hevc.h:406
uint8_t progressive_source_flag
Definition: hevc.h:344
int cb_qp_offset
Definition: hevc.h:483
uint8_t context_initialized
Definition: hevc.h:842
AVBufferRef * rpl_buf
Definition: hevc.h:691
int is_decoded
Definition: hevc.h:798
int video_signal_type_present_flag
Definition: hevc.h:301
uint8_t deblocking_filter_override_enabled_flag
Definition: hevc.h:503
int bit_depth
Definition: hevc.h:396
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:505
int min_tb_height
Definition: hevc.h:456
int * min_tb_addr_zs
MinTbAddrZS.
Definition: hevc.h:527
uint8_t * cbf_luma
Definition: hevc.h:816
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:417
PredMode
Definition: hevc.h:194
SliceHeader sh
Definition: hevc.h:783
int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
Definition: hevc_ps.c:109
uint8_t non_packed_constraint_flag
Definition: hevc.h:346
ScanType
Definition: hevc.h:257
int pcm_enabled_flag
Definition: hevc.h:401
static av_always_inline void FUNC() pred_angular(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int c_idx, int mode, int size)
AVPixelFormat
Pixel format.
Definition: pixfmt.h:57
int tiles_fixed_structure_flag
Definition: hevc.h:328
uint8_t interlaced_source_flag
Definition: hevc.h:345
uint8_t mvd_l1_zero_flag
Definition: hevc.h:574
int field_seq_flag
Definition: hevc.h:314
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
Definition: hevc.h:388
int end_of_tiles_y
Definition: hevc.h:742
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc_data.c:32
unsigned int bottom_offset
Definition: hevc.h:292
int vps_sub_layer_ordering_info_present_flag
Definition: hevc.h:364
Context Adaptive Binary Arithmetic Coder.
uint8_t dependent_slice_segments_enabled_flag
Definition: hevc.h:491