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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 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_HEVC_H
24 #define AVCODEC_HEVC_H
25 
26 #include "libavutil/buffer.h"
27 #include "libavutil/md5.h"
28 
29 #include "avcodec.h"
30 #include "bswapdsp.h"
31 #include "cabac.h"
32 #include "get_bits.h"
33 #include "hevcpred.h"
34 #include "hevcdsp.h"
35 #include "internal.h"
36 #include "thread.h"
37 #include "videodsp.h"
38 
39 #define MAX_DPB_SIZE 16 // A.4.1
40 #define MAX_REFS 16
41 
42 #define MAX_NB_THREADS 16
43 #define SHIFT_CTB_WPP 2
44 
45 /**
46  * 7.4.2.1
47  */
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_LOG2_CTB_SIZE 6
60 #define MAX_QP 51
61 #define DEFAULT_INTRA_TC_OFFSET 2
62 
63 #define HEVC_CONTEXTS 199
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 #define QPEL_EXTRA_BEFORE 3
74 #define QPEL_EXTRA_AFTER 4
75 #define QPEL_EXTRA 7
76 
77 #define EDGE_EMU_BUFFER_STRIDE 80
78 
79 /**
80  * Value of the luma sample at position (x, y) in the 2D array tab.
81  */
82 #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
83 #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
84 
85 #define IS_IDR(s) ((s)->nal_unit_type == NAL_IDR_W_RADL || (s)->nal_unit_type == NAL_IDR_N_LP)
86 #define IS_BLA(s) ((s)->nal_unit_type == NAL_BLA_W_RADL || (s)->nal_unit_type == NAL_BLA_W_LP || \
87  (s)->nal_unit_type == NAL_BLA_N_LP)
88 #define IS_IRAP(s) ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23)
89 
90 /**
91  * Table 7-3: NAL unit type codes
92  */
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 
186 };
187 
188 enum PartMode {
192  PART_NxN = 3,
197 };
198 
199 enum PredMode {
203 };
204 
206  PRED_L0 = 0,
209 };
210 
211 enum PredFlag {
212  PF_INTRA = 0,
216 };
217 
254 };
255 
256 enum SAOType {
261 };
262 
268 };
269 
270 enum ScanType {
274 };
275 
276 typedef struct ShortTermRPS {
277  unsigned int num_negative_pics;
281 } ShortTermRPS;
282 
283 typedef struct LongTermRPS {
284  int poc[32];
287 } LongTermRPS;
288 
289 typedef struct RefPicList {
293  int nb_refs;
294 } RefPicList;
295 
296 typedef struct RefPicListTab {
298 } RefPicListTab;
299 
300 typedef struct HEVCWindow {
301  unsigned int left_offset;
302  unsigned int right_offset;
303  unsigned int top_offset;
304  unsigned int bottom_offset;
305 } HEVCWindow;
306 
307 typedef struct VUI {
309 
312 
320 
325 
328 
331 
334  uint32_t vui_time_scale;
338 
348 } VUI;
349 
350 typedef struct PTLCommon {
360 } PTLCommon;
361 
362 typedef struct PTL {
365 
368 } PTL;
369 
370 typedef struct HEVCVPS {
373  int vps_max_sub_layers; ///< vps_max_temporal_layers_minus1 + 1
374 
381  int vps_num_layer_sets; ///< vps_num_layer_sets_minus1 + 1
384  uint32_t vps_time_scale;
386  int vps_num_ticks_poc_diff_one; ///< vps_num_ticks_poc_diff_one_minus1 + 1
388 } HEVCVPS;
389 
390 typedef struct ScalingList {
391  /* This is a little wasteful, since sizeID 0 only needs 8 coeffs,
392  * and size ID 3 only has 2 arrays, not 6. */
393  uint8_t sl[4][6][64];
394  uint8_t sl_dc[2][6];
395 } ScalingList;
396 
397 typedef struct HEVCSPS {
398  unsigned vps_id;
401 
402  ///< output (i.e. cropped) values
405 
407 
411 
412  unsigned int log2_max_poc_lsb;
414 
416  struct {
421 
424 
427 
428  unsigned int nb_st_rps;
430 
433 
438 
439  struct {
442  unsigned int log2_min_pcm_cb_size;
443  unsigned int log2_max_pcm_cb_size;
445  } pcm;
448 
449  unsigned int log2_min_cb_size;
451  unsigned int log2_min_tb_size;
452  unsigned int log2_max_trafo_size;
453  unsigned int log2_ctb_size;
454  unsigned int log2_min_pu_size;
455 
458 
465 
466  ///< coded frame dimension in various units
467  int width;
468  int height;
471  int ctb_size;
478  int tb_mask;
479 
480  int hshift[3];
481  int vshift[3];
482 
484 } HEVCSPS;
485 
486 typedef struct HEVCPPS {
487  unsigned int sps_id; ///< seq_parameter_set_id
488 
490 
492 
493  int num_ref_idx_l0_default_active; ///< num_ref_idx_l0_default_active_minus1 + 1
494  int num_ref_idx_l1_default_active; ///< num_ref_idx_l1_default_active_minus1 + 1
496 
499 
502 
510 
514 
515  int num_tile_columns; ///< num_tile_columns_minus1 + 1
516  int num_tile_rows; ///< num_tile_rows_minus1 + 1
519 
521 
525  int beta_offset; ///< beta_offset_div2 * 2
526  int tc_offset; ///< tc_offset_div2 * 2
527 
530 
532  int log2_parallel_merge_level; ///< log2_parallel_merge_level_minus2 + 2
540  int8_t cb_qp_offset_list[5];
541  int8_t cr_qp_offset_list[5];
544 
545  // Inferred parameters
546  unsigned int *column_width; ///< ColumnWidth
547  unsigned int *row_height; ///< RowHeight
548  unsigned int *col_bd; ///< ColBd
549  unsigned int *row_bd; ///< RowBd
550  int *col_idxX;
551 
552  int *ctb_addr_rs_to_ts; ///< CtbAddrRSToTS
553  int *ctb_addr_ts_to_rs; ///< CtbAddrTSToRS
554  int *tile_id; ///< TileId
555  int *tile_pos_rs; ///< TilePosRS
556  int *min_tb_addr_zs; ///< MinTbAddrZS
557  int *min_tb_addr_zs_tab;///< MinTbAddrZS
558 } HEVCPPS;
559 
560 typedef struct SliceHeader {
561  unsigned int pps_id;
562 
563  ///< address (in raster order) of the first block in the current slice segment
564  unsigned int slice_segment_addr;
565  ///< address (in raster order) of the first block in the current slice
566  unsigned int slice_addr;
567 
569 
571 
576 
577  ///< RPS coded in the slice header itself is stored here
583  unsigned int list_entry_lx[2][32];
584 
588 
589  unsigned int nb_refs[2];
590 
593 
595  uint8_t disable_deblocking_filter_flag; ///< slice_header_disable_deblocking_filter_flag
598 
599  unsigned int collocated_ref_idx;
600 
604 
606 
607  int beta_offset; ///< beta_offset_div2 * 2
608  int tc_offset; ///< tc_offset_div2 * 2
609 
610  unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
611 
613  int * offset;
614  int * size;
616 
617  int8_t slice_qp;
618 
621 
622  int16_t luma_weight_l0[16];
623  int16_t chroma_weight_l0[16][2];
624  int16_t chroma_weight_l1[16][2];
625  int16_t luma_weight_l1[16];
626 
627  int16_t luma_offset_l0[16];
628  int16_t chroma_offset_l0[16][2];
629 
630  int16_t luma_offset_l1[16];
631  int16_t chroma_offset_l1[16][2];
632 
634 } SliceHeader;
635 
636 typedef struct CodingUnit {
637  int x;
638  int y;
639 
640  enum PredMode pred_mode; ///< PredMode
641  enum PartMode part_mode; ///< PartMode
642 
643  // Inferred parameters
644  uint8_t intra_split_flag; ///< IntraSplitFlag
645  uint8_t max_trafo_depth; ///< MaxTrafoDepth
647 } CodingUnit;
648 
649 typedef struct Mv {
650  int16_t x; ///< horizontal component of motion vector
651  int16_t y; ///< vertical component of motion vector
652 } Mv;
653 
654 typedef struct MvField {
656  int8_t ref_idx[2];
657  int8_t pred_flag;
658 } MvField;
659 
660 typedef struct NeighbourAvailable {
663  int cand_up;
668 
669 typedef struct PredictionUnit {
670  int mpm_idx;
678 
679 typedef struct TransformUnit {
681 
683 
684  // Inferred parameters;
693 } TransformUnit;
694 
695 typedef struct DBParams {
698 } DBParams;
699 
700 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
701 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
702 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
703 #define HEVC_FRAME_FLAG_BUMPING (1 << 3)
704 
705 typedef struct HEVCFrame {
712  int poc;
714 
716 
720 
723 
724  /**
725  * A sequence counter, so that old frames are output first
726  * after a POC reset
727  */
728  uint16_t sequence;
729 
730  /**
731  * A combination of HEVC_FRAME_FLAG_*
732  */
734 } HEVCFrame;
735 
736 typedef struct HEVCNAL {
739 
740  int size;
741  const uint8_t *data;
742 
743  int raw_size;
745 } HEVCNAL;
746 
747 typedef struct HEVCLocalContext {
749 
751 
753 
756 
757  int8_t qp_y;
758  int8_t curr_qp_y;
759 
760  int qPy_pred;
761 
763 
770  /* +7 is for subpixel interpolation, *2 for high bit depths */
772  /* The extended size between the new edge emu buffer is abused by SAO */
775 
776  int ct_depth;
780 
781 #define BOUNDARY_LEFT_SLICE (1 << 0)
782 #define BOUNDARY_LEFT_TILE (1 << 1)
783 #define BOUNDARY_UPPER_SLICE (1 << 2)
784 #define BOUNDARY_UPPER_TILE (1 << 3)
785  /* properties of the boundary of the current CTB for the purposes
786  * of the deblocking filter */
789 
790 typedef struct HEVCContext {
791  const AVClass *c; // needed by private avoptions
793 
795 
798 
801 
802  int width;
803  int height;
804 
806 
807  /** 1 if the independent slice segment header was successfully parsed */
809 
814 
815  const HEVCVPS *vps;
816  const HEVCSPS *sps;
817  const HEVCPPS *pps;
821 
824 
825  ///< candidate references for the current frame
827 
832  int temporal_id; ///< temporal_id_plus1 - 1
835  int poc;
836  int pocTid0;
837  int slice_idx; ///< number of the slice being currently decoded
838  int eos; ///< current packet contains an EOS/EOB NAL
839  int last_eos; ///< last packet contains an EOS/EOB NAL
840  int max_ra;
841  int bs_width;
843 
845 
850  int8_t *qp_y_tab;
853 
855 
856  // CU
859  // PU
861 
862  uint8_t *cbf_luma; // cbf_luma of colocated TU
864 
865  // CTB-level flags affecting loop filter operation
867 
868  /** used on BE to byteswap the lines for checksumming */
871 
872  /**
873  * Sequence counters for decoded and output frames, so that old
874  * frames are output first after a POC reset
875  */
876  uint16_t seq_decode;
877  uint16_t seq_output;
878 
880  int wpp_err;
884 
888 
889  const uint8_t *data;
890 
892  int nb_nals;
894  // type of the first VCL NAL of the current frame
896 
897  // for checking the frame checksums
898  struct AVMD5 *md5_ctx;
899  uint8_t md5[3][16];
901 
903  uint8_t is_nalff; ///< this flag is != 0 if bitstream is encapsulated
904  ///< as a format defined in 14496-15
906 
908 
909  int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
911 
912  /** frame packing arrangement variables */
917 
918  /** display orientation */
922 
924 } HEVCContext;
925 
927  const HEVCSPS *sps, int is_slice_header);
932 
934  HEVCNAL *nal);
935 
936 /**
937  * Mark all frames in DPB as unused for reference.
938  */
940 
941 /**
942  * Drop all frames currently in DPB.
943  */
945 
946 /**
947  * Compute POC of the current frame and return it.
948  */
949 int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb);
950 
952  int x0, int y0);
953 
954 /**
955  * Construct the reference picture sets for the current frame.
956  */
958 
959 /**
960  * Construct the reference picture list(s) for the current slice.
961  */
963 
964 void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
965 void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
974 int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0,
975  int x_cb, int y_cb);
978  int x0, int y0);
979 int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size);
987 int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
988 int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
991 int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
992 int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
993 int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
996 
997 /**
998  * Get the number of candidate references for the current frame.
999  */
1001 
1002 int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
1003 
1004 /**
1005  * Find next frame in output order and put a reference to it in frame.
1006  * @return 1 if a frame was output, 0 otherwise
1007  */
1009 
1011 
1013 
1014 void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0,
1015  int nPbW, int nPbH);
1016 void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0,
1017  int nPbW, int nPbH, int log2_cb_size,
1018  int part_idx, int merge_idx, MvField *mv);
1019 void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0,
1020  int nPbW, int nPbH, int log2_cb_size,
1021  int part_idx, int merge_idx,
1022  MvField *mv, int mvp_lx_flag, int LX);
1023 void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase,
1024  int log2_cb_size);
1026  int log2_trafo_size);
1031 void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size);
1032 void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size);
1033 void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0,
1034  int log2_trafo_size, enum ScanType scan_idx,
1035  int c_idx);
1036 
1037 void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size);
1038 
1039 
1040 extern const uint8_t ff_hevc_qpel_extra_before[4];
1041 extern const uint8_t ff_hevc_qpel_extra_after[4];
1042 extern const uint8_t ff_hevc_qpel_extra[4];
1043 
1044 extern const uint8_t ff_hevc_diag_scan4x4_x[16];
1045 extern const uint8_t ff_hevc_diag_scan4x4_y[16];
1046 extern const uint8_t ff_hevc_diag_scan8x8_x[64];
1047 extern const uint8_t ff_hevc_diag_scan8x8_y[64];
1048 
1049 #endif /* AVCODEC_HEVC_H */
int nals_allocated
Definition: hevc.h:893
#define EDGE_EMU_BUFFER_STRIDE
Definition: hevc.h:77
int8_t cu_qp_offset_cr
Definition: hevc.h:691
int frame_packing_arrangement_type
Definition: hevc.h:914
uint8_t ctb_up_flag
Definition: hevc.h:765
AVFrame * frame
Definition: hevc.h:706
unsigned int log2_min_cb_size
Definition: hevc.h:449
int sei_frame_packing_present
frame packing arrangement variables
Definition: hevc.h:913
uint8_t log2_sao_offset_scale_luma
Definition: hevc.h:542
int ff_hevc_merge_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:818
HEVCPredContext hpc
Definition: hevc.h:846
const char * s
Definition: avisynth_c.h:631
int min_spatial_segmentation_idc
Definition: hevc.h:343
NeighbourAvailable na
Definition: hevc.h:779
SliceType
Definition: hevc.h:130
Definition: hevc.h:126
int pic_order_cnt_lsb
Definition: hevc.h:570
int short_term_ref_pic_set_sps_flag
Definition: hevc.h:578
int ff_hevc_frame_nb_refs(HEVCContext *s)
Get the number of candidate references for the current frame.
Definition: hevc_refs.c:541
int quincunx_subsampling
Definition: hevc.h:916
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
HEVCFrame * ref
Definition: hevc.h:833
Definition: hevc.h:654
int ctb_height
Definition: hevc.h:470
#define MAX_PPS_COUNT
Definition: hevc.h:51
uint8_t is_cu_qp_delta_coded
Definition: hevc.h:688
uint8_t diff_cu_chroma_qp_offset_depth
Definition: hevc.h:538
int ff_hevc_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:829
Definition: hevc.h:96
int ff_hevc_sao_band_position_decode(HEVCContext *s)
Definition: hevc_cabac.c:615
int active_seq_parameter_set_id
Definition: hevc.h:907
int vui_num_ticks_poc_diff_one_minus1
Definition: hevc.h:336
int max_dec_pic_buffering
Definition: hevc.h:417
VideoDSPContext vdsp
Definition: hevc.h:848
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevc.h:771
int transform_skip_rotation_enabled_flag
Definition: hevc.h:459
int ff_hevc_decode_nal_sps(HEVCContext *s)
Definition: hevc_ps.c:752
Definition: hevc.h:206
int content_interpretation_type
Definition: hevc.h:915
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:911
int8_t cb_qp_offset_list[5]
Definition: hevc.h:540
int16_t x
horizontal component of motion vector
Definition: hevc.h:650
unsigned int * row_height
RowHeight.
Definition: hevc.h:547
const uint8_t ff_hevc_qpel_extra[4]
void * hwaccel_picture_private
Definition: hevc.h:722
const uint8_t * raw_data
Definition: hevc.h:744
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
Definition: hevc.h:386
uint8_t * cabac_state
Definition: hevc.h:805
#define MAX_REFS
Definition: hevc.h:40
int sei_hflip
Definition: hevc.h:921
uint8_t nb_refs
Definition: hevc.h:286
MvField * tab_mvf
Definition: hevc.h:708
int pic_init_qp_minus26
Definition: hevc.h:495
int bs_width
Definition: hevc.h:841
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:647
uint8_t intra_split_flag
IntraSplitFlag.
Definition: hevc.h:644
VUI vui
Definition: hevc.h:422
int rem_intra_luma_pred_mode
Definition: hevc.h:671
int vshift[3]
Definition: hevc.h:481
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:478
const uint8_t ff_hevc_diag_scan4x4_x[16]
Definition: hevc_cabac.c:430
unsigned int slice_addr
Definition: hevc.h:566
RPSType
Definition: hevc.h:121
uint32_t vui_time_scale
Definition: hevc.h:334
int nb_nals
Definition: hevc.h:892
uint8_t weighted_bipred_flag
Definition: hevc.h:507
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
Definition: hevc_refs.c:31
int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
Definition: hevc_ps.c:110
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:53
unsigned int left_offset
Definition: hevc.h:301
int tc_offset
Definition: hevc.h:697
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:797
int isLongTerm[MAX_REFS]
Definition: hevc.h:292
PredictionUnit pu
Definition: hevc.h:778
Definition: hevc.h:362
PartMode
Definition: hevc.h:188
uint8_t seq_loop_filter_across_slices_enabled_flag
Definition: hevc.h:520
uint8_t cabac_init_present_flag
Definition: hevc.h:491
int16_t chroma_offset_l1[16][2]
Definition: hevc.h:631
int chroma_loc_info_present_flag
Definition: hevc.h:321
RefPicList refPicList[2]
Definition: hevc.h:297
Definition: hevc.h:259
int max_latency_increase
Definition: hevc.h:419
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
Definition: hevc_refs.c:458
int x
Definition: hevc.h:637
int nuh_layer_id
Definition: hevc.h:910
int min_cb_height
Definition: hevc.h:473
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
Definition: hevc.h:553
int explicit_rdpcm_enabled_flag
Definition: hevc.h:462
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
Definition: hevc.h:493
uint8_t bit_depth
Definition: hevc.h:440
int * skipped_bytes_pos
Definition: hevc.h:882
int cand_up_right
Definition: hevc.h:665
struct HEVCFrame * ref[MAX_REFS]
Definition: hevc.h:290
uint8_t dependent_slice_segment_flag
Definition: hevc.h:573
int list[MAX_REFS]
Definition: hevc.h:291
CABACContext cc
Definition: hevc.h:755
ShortTermRPS slice_rps
Definition: hevc.h:580
ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT]
Definition: hevc.h:429
int chroma_sample_loc_type_top_field
Definition: hevc.h:322
int width
Definition: hevc.h:467
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:605
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:876
uint8_t threads_type
Definition: hevc.h:799
enum NALUnitType first_nal_type
Definition: hevc.h:895
int qp_bd_offset
Definition: hevc.h:483
#define MAX_SPS_COUNT
Definition: hevc.h:50
#define HEVC_CONTEXTS
Definition: hevc.h:63
int pixel_shift
Definition: hevc.h:409
uint8_t entropy_coding_sync_enabled_flag
Definition: hevc.h:513
HEVCWindow output_window
Definition: hevc.h:404
int max_ra
Definition: hevc.h:840
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:652
int output_width
Definition: hevc.h:403
const uint8_t * data
Definition: hevc.h:889
int8_t curr_qp_y
Definition: hevc.h:758
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
Definition: hevc.h:532
AVBufferPool * rpl_tab_pool
candidate references for the current frame
Definition: hevc.h:823
uint8_t log2_sao_offset_scale_chroma
Definition: hevc.h:543
int restricted_ref_pic_lists_flag
Definition: hevc.h:342
int nb_refs
Definition: hevc.h:293
int chroma_format_idc
Definition: hevc.h:399
uint8_t disable_dbf
Definition: hevc.h:524
unsigned int log2_max_trafo_size
Definition: hevc.h:452
unsigned int slice_segment_addr
address (in raster order) of the first block in the current slice
Definition: hevc.h:564
int ff_hevc_mpm_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:789
uint8_t profile_compatibility_flag[32]
Definition: hevc.h:354
Definition: hevc.h:307
unsigned int num_negative_pics
Definition: hevc.h:277
int end_of_tiles_x
Definition: hevc.h:768
uint8_t
uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:366
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
Definition: hevc_cabac.c:657
InterPredIdc
Definition: hevc.h:205
unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS]
Definition: hevc.h:378
HEVCWindow pic_conf_win
Definition: hevc.h:406
uint8_t log2_max_transform_skip_block_size
Definition: hevc.h:535
uint8_t ctb_up_right_flag
Definition: hevc.h:766
LongTermRPS long_term_rps
Definition: hevc.h:582
const uint8_t * data
Definition: hevc.h:741
int overscan_info_present_flag
Definition: hevc.h:310
int poc[32]
Definition: hevc.h:284
uint8_t vps_timing_info_present_flag
Definition: hevc.h:382
uint8_t matrix_coeffs
Definition: hevc.h:319
Multithreading support functions.
int min_tb_width
Definition: hevc.h:474
int cand_up_right_sap
Definition: hevc.h:666
uint8_t * rbsp_buffer
Definition: hevc.h:737
int num_entry_point_offsets
Definition: hevc.h:615
AVFrame * output_frame
Definition: hevc.h:811
int cand_up_left
Definition: hevc.h:664
int apply_defdispwin
Definition: hevc.h:905
SAOParams * sao
Definition: hevc.h:829
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
Definition: hevc.h:494
int wpp_err
Definition: hevc.h:880
unsigned int log2_min_pcm_cb_size
Definition: hevc.h:442
AVCodecContext * avctx
Definition: hevc.h:792
int min_cb_width
Definition: hevc.h:472
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
Definition: hevc.h:373
int frame_field_info_present_flag
Definition: hevc.h:327
static AVFrame * frame
uint8_t tier_flag
Definition: hevc.h:352
uint8_t scaling_list_data_present_flag
Definition: hevc.h:528
HEVCNAL * nals
Definition: hevc.h:891
BswapDSPContext bdsp
Definition: hevc.h:849
ThreadFrame tf
Definition: hevc.h:707
uint8_t first_slice_in_pic_flag
Definition: hevc.h:572
uint8_t bit_depth_chroma
Definition: hevc.h:441
Definition: hevc.h:212
uint8_t ctb_up_left_flag
Definition: hevc.h:767
uint8_t threads_number
Definition: hevc.h:800
uint8_t is_cu_chroma_qp_offset_coded
Definition: hevc.h:689
int ff_hevc_decode_nal_sei(HEVCContext *s)
Definition: hevc_sei.c:200
bitstream reader API header.
int8_t pred_flag
Definition: hevc.h:657
Definition: hevc.h:207
int8_t * qp_y_tab
Definition: hevc.h:850
uint8_t loop_filter_disable_flag
Definition: hevc.h:444
int sei_anticlockwise_rotation
Definition: hevc.h:920
uint8_t pic_output_flag
Definition: hevc.h:574
uint8_t * tab_ct_depth
Definition: hevc.h:858
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
Definition: hevc_refs.c:74
uint8_t cu_transquant_bypass_flag
Definition: hevc.h:646
int16_t tmp[MAX_PB_SIZE *MAX_PB_SIZE]
Definition: hevc.h:774
int * skipped_bytes_pos_size_nal
Definition: hevc.h:887
Definition: md5.c:39
int bitstream_restriction_flag
Definition: hevc.h:339
uint8_t transquant_bypass_enable_flag
Definition: hevc.h:509
uint8_t used[32]
Definition: hevc.h:285
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
Definition: hevc_cabac.c:635
The buffer pool.
int temporal_id
temporal_id_plus1 - 1
Definition: hevc.h:832
uint8_t first_qp_group
Definition: hevc.h:752
HEVCDSPContext hevcdsp
Definition: hevc.h:847
int ctb_count
Definition: hevc.h:711
uint8_t no_output_of_prior_pics_flag
Definition: hevc.h:586
HEVCLocalContext * HEVClcList[MAX_NB_THREADS]
Definition: hevc.h:796
Definition: hevc.h:215
Definition: hevc.h:112
int8_t cr_qp_offset_list[5]
Definition: hevc.h:541
int slice_idx
number of the slice being currently decoded
Definition: hevc.h:837
int vps_max_layer_id
Definition: hevc.h:380
uint8_t intra_pred_mode[4]
Definition: hevc.h:672
const HEVCSPS * sps
Definition: hevc.h:816
uint8_t colour_plane_id
RPS coded in the slice header itself is stored here.
Definition: hevc.h:575
uint8_t frame_only_constraint_flag
Definition: hevc.h:359
uint8_t cu_chroma_qp_offset_enabled_flag
Definition: hevc.h:605
Definition: hevc.h:125
int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s)
Definition: hevc_cabac.c:702
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size)
Definition: hevc_filter.c:715
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
Definition: hevc.h:808
unsigned int log2_max_poc_lsb
Definition: hevc.h:412
int vps_max_layers
Definition: hevc.h:372
int min_pu_height
Definition: hevc.h:477
AVBufferRef * vps_list[MAX_VPS_COUNT]
Definition: hevc.h:818
int persistent_rice_adaptation_enabled_flag
coded frame dimension in various units
Definition: hevc.h:464
AVBufferRef * rpl_tab_buf
Definition: hevc.h:718
uint8_t rpl_modification_flag[2]
Definition: hevc.h:585
int * size
Definition: hevc.h:614
int vui_timing_info_present_flag
Definition: hevc.h:332
uint8_t amp_enabled_flag
Definition: hevc.h:431
Definition: hevc.h:192
RefPicList * refPicList
Definition: hevc.h:709
int16_t luma_offset_l0[16]
Definition: hevc.h:627
int bs_height
Definition: hevc.h:842
#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:518
unsigned int log2_ctb_size
Definition: hevc.h:453
int picture_struct
Definition: hevc.h:923
int ** skipped_bytes_pos_nal
Definition: hevc.h:886
uint8_t * sao_pixel_buffer_h[3]
Definition: hevc.h:812
int8_t cu_qp_offset_cb
Definition: hevc.h:690
GLsizei GLsizei * length
Definition: opengl_enc.c:115
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:608
const ShortTermRPS * short_term_rps
Definition: hevc.h:581
int vui_poc_proportional_to_timing_flag
Definition: hevc.h:335
uint8_t merge_flag
Definition: hevc.h:674
SAOType
Definition: hevc.h:256
struct AVMD5 * md5_ctx
Definition: hevc.h:898
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:500
uint8_t vps_temporal_id_nesting_flag
Definition: hevc.h:371
int8_t slice_qp
Definition: hevc.h:617
int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s)
Definition: hevc_cabac.c:707
Libavcodec external API header.
uint8_t edge_emu_buffer2[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevc.h:773
uint8_t max_trafo_depth
MaxTrafoDepth.
Definition: hevc.h:645
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
Definition: hevc.h:728
uint8_t colour_primaries
Definition: hevc.h:317
uint8_t used[32]
Definition: hevc.h:280
uint8_t slice_temporal_mvp_enabled_flag
Definition: hevc.h:587
uint8_t * vertical_bs
Definition: hevc.h:852
int motion_vectors_over_pic_boundaries_flag
Definition: hevc.h:341
int chroma_mode_c
Definition: hevc.h:687
uint8_t tiles_enabled_flag
Definition: hevc.h:512
int ff_hevc_decode_nal_vps(HEVCContext *s)
Definition: hevc_ps.c:399
int ct_depth
Definition: hevc.h:776
uint32_t vps_num_units_in_tick
Definition: hevc.h:383
int16_t luma_weight_l0[16]
Definition: hevc.h:622
const HEVCPPS * pps
Definition: hevc.h:817
int * col_idxX
Definition: hevc.h:550
struct HEVCContext * sList[MAX_NB_THREADS]
Definition: hevc.h:794
int slice_qp_delta
Definition: hevc.h:601
int intra_pred_mode
Definition: hevc.h:685
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:860
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
Definition: hevc.h:381
uint8_t lists_modification_present_flag
Definition: hevc.h:531
int * min_tb_addr_zs_tab
MinTbAddrZS.
Definition: hevc.h:557
uint8_t profile_idc
Definition: hevc.h:353
AVBufferRef * tab_mvf_buf
Definition: hevc.h:717
uint8_t chroma_mode_c[4]
Definition: hevc.h:676
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:607
int res_scale_val
Definition: hevc.h:682
int max_transform_hierarchy_depth_inter
Definition: hevc.h:456
uint8_t cabac_state[HEVC_CONTEXTS]
Definition: hevc.h:748
int rbsp_buffer_size
Definition: hevc.h:738
uint8_t * sao_pixel_buffer_v[3]
Definition: hevc.h:813
float y
int slice_cr_qp_offset
Definition: hevc.h:603
uint8_t vps_poc_proportional_to_timing_flag
Definition: hevc.h:385
int num_tile_columns
num_tile_columns_minus1 + 1
Definition: hevc.h:515
int output_height
Definition: hevc.h:403
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:170
uint8_t * tab_ipm
Definition: hevc.h:860
int size
Definition: hevc.h:740
unsigned int top_offset
Definition: hevc.h:303
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
Definition: hevc_filter.c:867
Definition: hevc.h:150
int hshift[3]
Definition: hevc.h:480
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
Definition: hevc_cabac.c:742
AVBufferRef * sps_list[MAX_SPS_COUNT]
Definition: hevc.h:819
int32_t
int max_bits_per_min_cu_denom
Definition: hevc.h:345
uint8_t cu_qp_delta_enabled_flag
Definition: hevc.h:500
uint8_t used_by_curr_pic_lt_sps_flag[32]
Definition: hevc.h:436
int8_t qp_y
Definition: hevc.h:757
Definition: hevc.h:133
int intra_pred_mode_c
Definition: hevc.h:686
Definition: hevc.h:208
int ctb_width
Definition: hevc.h:469
struct HEVCFrame * collocated_ref
Definition: hevc.h:713
int16_t chroma_weight_l0[16][2]
Definition: hevc.h:623
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:394
int32_t delta_poc[32]
Definition: hevc.h:279
uint8_t sign_data_hiding_flag
Definition: hevc.h:489
int height
Definition: hevc.h:468
uint8_t output_flag_present_flag
Definition: hevc.h:508
int log2_max_mv_length_vertical
Definition: hevc.h:347
uint16_t seq_output
Definition: hevc.h:877
int skipped_bytes
Definition: hevc.h:881
int mpm_idx
Definition: hevc.h:670
PTLCommon general_ptl
Definition: hevc.h:363
void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase, int log2_cb_size)
Definition: hevc_filter.c:122
int16_t luma_offset_l1[16]
Definition: hevc.h:630
int16_t chroma_offset_l0[16][2]
Definition: hevc.h:628
int max_bytes_per_pic_denom
Definition: hevc.h:344
int overscan_appropriate_flag
Definition: hevc.h:311
Definition: hevc.h:111
int implicit_rdpcm_enabled_flag
Definition: hevc.h:461
unsigned vps_id
Definition: hevc.h:398
AVBufferRef * pps_list[MAX_PPS_COUNT]
Definition: hevc.h:820
SAOEOClass
Definition: hevc.h:263
static void flush(AVCodecContext *avctx)
Definition: aacdec.c:514
uint8_t constrained_intra_pred_flag
Definition: hevc.h:497
int tb_mask
Definition: hevc.h:478
unsigned int pps_id
address (in raster order) of the first block in the current slice segment
Definition: hevc.h:561
uint8_t sl[4][6][64]
Definition: hevc.h:393
PTL ptl
Definition: hevc.h:375
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
Definition: hevc.h:505
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
Definition: hevc_cabac.c:723
uint32_t vps_time_scale
Definition: hevc.h:384
Definition: hevc.h:132
int colour_description_present_flag
Definition: hevc.h:316
static const int8_t mv[256][2]
Definition: 4xm.c:77
uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:367
Definition: hevc.h:397
enum AVPixelFormat pix_fmt
Definition: hevc.h:410
Definition: hevc.h:370
RefPicListTab ** rpl_tab
Definition: hevc.h:710
void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size)
Definition: hevc_filter.c:843
int raw_size
Definition: hevc.h:743
int sei_display_orientation_present
display orientation
Definition: hevc.h:919
int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx)
Definition: hevc_cabac.c:940
int slice_cb_qp_offset
Definition: hevc.h:602
Definition: hevc.h:486
uint8_t transform_skip_enabled_flag
Definition: hevc.h:498
int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length, HEVCNAL *nal)
Definition: hevc.c:2786
AVS_Value src
Definition: avisynth_c.h:482
int short_term_ref_pic_set_size
Definition: hevc.h:579
Definition: hevc.h:736
uint8_t uniform_spacing_flag
Definition: hevc.h:517
int ctb_size
Definition: hevc.h:471
uint8_t is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
Definition: hevc.h:903
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
Definition: hevc.h:552
Definition: hevc.h:167
PTL ptl
Definition: hevc.h:423
int max_sub_layers
Definition: hevc.h:415
unsigned int log2_min_pu_size
Definition: hevc.h:454
int ff_hevc_decode_nal_pps(HEVCContext *s)
Definition: hevc_ps.c:1250
uint8_t md5[3][16]
Definition: hevc.h:899
unsigned int sps_id
seq_parameter_set_id
Definition: hevc.h:487
#define MAX_VPS_COUNT
Definition: hevc.h:49
ScalingList scaling_list
Definition: hevc.h:529
main external API structure.
Definition: avcodec.h:1241
uint8_t is_md5
Definition: hevc.h:900
struct HEVCSPS::@51 pcm
int log2_max_mv_length_horizontal
Definition: hevc.h:346
uint8_t sao_enabled
Definition: hevc.h:432
enum PredMode pred_mode
PredMode.
Definition: hevc.h:640
AVBufferRef * hwaccel_priv_buf
Definition: hevc.h:721
int num_extra_slice_header_bits
Definition: hevc.h:533
int16_t y
vertical component of motion vector
Definition: hevc.h:651
uint8_t cross_pf
Definition: hevc.h:692
uint8_t loop_filter_across_tiles_enabled_flag
Definition: hevc.h:518
Definition: hevc.h:110
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
Definition: hevc_refs.c:65
int height
Definition: hevc.h:803
int * skipped_bytes_nal
Definition: hevc.h:885
uint8_t num_long_term_ref_pics_sps
Definition: hevc.h:437
const HEVCVPS * vps
Definition: hevc.h:815
TransformUnit tu
Definition: hevc.h:762
PredFlag
Definition: hevc.h:211
uint8_t cross_component_prediction_enabled_flag
Definition: hevc.h:536
uint32_t vui_num_units_in_tick
Definition: hevc.h:333
uint8_t ctb_left_flag
Definition: hevc.h:764
int y
Definition: hevc.h:638
uint8_t deblocking_filter_control_present_flag
Definition: hevc.h:522
int cu_qp_delta
Definition: hevc.h:680
uint8_t * is_pcm
Definition: hevc.h:863
Definition: hevc.h:113
int transform_skip_context_enabled_flag
Definition: hevc.h:460
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
Definition: hevc.h:869
uint8_t sps_temporal_mvp_enabled_flag
Definition: hevc.h:446
unsigned int nb_st_rps
Definition: hevc.h:428
int chroma_sample_loc_type_bottom_field
Definition: hevc.h:323
uint8_t cabac_init_flag
Definition: hevc.h:594
Describe the class of an AVClass context structure.
Definition: log.h:67
int num_tile_rows
num_tile_rows_minus1 + 1
Definition: hevc.h:516
int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx)
Definition: hevc_cabac.c:931
uint8_t stat_coeff[4]
Definition: hevc.h:750
uint8_t chroma_qp_offset_list_enabled_flag
Definition: hevc.h:537
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc_cabac.c:470
int poc
Definition: hevc.h:712
rational number numerator/denominator
Definition: rational.h:43
int vps_num_hrd_parameters
Definition: hevc.h:387
#define MAX_SUB_LAYERS
7.4.2.1
Definition: hevc.h:48
AVFrame * frame
Definition: hevc.h:810
int enable_parallel_tiles
Definition: hevc.h:879
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
Definition: hevc_cabac.c:640
unsigned int max_num_merge_cand
5 - 5_minus_max_num_merge_cand
Definition: hevc.h:610
int checksum_buf_size
Definition: hevc.h:870
int last_eos
last packet contains an EOS/EOB NAL
Definition: hevc.h:839
DBParams * deblock
Definition: hevc.h:830
GetBitContext gb
Definition: hevc.h:754
unsigned int log2_min_tb_size
Definition: hevc.h:451
refcounted data buffer API
int poc
Definition: hevc.h:835
enum PartMode part_mode
PartMode.
Definition: hevc.h:641
uint16_t lt_ref_pic_poc_lsb_sps[32]
Definition: hevc.h:435
const uint8_t ff_hevc_qpel_extra_after[4]
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
Definition: hevc_refs.c:298
uint8_t intra_pred_mode_c[4]
Definition: hevc.h:675
IntraPredMode
Definition: hevc.h:218
enum NALUnitType nal_unit_type
Definition: hevc.h:831
Definition: hevc.h:649
HEVCWindow window
Definition: hevc.h:715
uint8_t scaling_list_enable_flag
Definition: hevc.h:425
int * tile_id
TileId.
Definition: hevc.h:554
int16_t luma_weight_l1[16]
Definition: hevc.h:625
int16_t chroma_log2_weight_denom
Definition: hevc.h:620
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:526
uint8_t transfer_characteristic
Definition: hevc.h:318
int pocTid0
Definition: hevc.h:836
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Definition: hevc.h:733
HEVCLocalContext * HEVClc
Definition: hevc.h:797
int default_display_window_flag
Definition: hevc.h:329
#define MAX_PB_SIZE
Definition: hevcdsp.h:30
Definition: hevc.h:220
HEVCWindow def_disp_win
Definition: hevc.h:330
int cr_qp_offset
Definition: hevc.h:504
ScalingList scaling_list
Definition: hevc.h:426
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
Definition: hevc_cabac.c:834
unsigned int log2_diff_max_min_coding_block_size
Definition: hevc.h:450
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:906
static int flags
Definition: cpu.c:47
Definition: hevc.h:152
void ff_hevc_bump_frame(HEVCContext *s)
Definition: hevc_refs.c:240
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx)
Definition: hevc_cabac.c:844
unsigned int log2_max_pcm_cb_size
Definition: hevc.h:443
void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
Definition: hevc_cabac.c:1564
uint8_t level_idc
Definition: hevc.h:355
int eos
current packet contains an EOS/EOB NAL
Definition: hevc.h:838
int neutra_chroma_indication_flag
Definition: hevc.h:324
int * tile_pos_rs
TilePosRS.
Definition: hevc.h:555
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:56
int sei_vflip
Definition: hevc.h:921
int skipped_bytes_pos_size
Definition: hevc.h:883
A reference to a data buffer.
Definition: buffer.h:81
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:807
int max_transform_hierarchy_depth_intra
Definition: hevc.h:457
uint8_t profile_space
Definition: hevc.h:351
Mv mv[2]
Definition: hevc.h:655
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:865
const uint8_t ff_hevc_qpel_extra_before[4]
uint8_t * skip_flag
Definition: hevc.h:857
int8_t ref_idx[2]
Definition: hevc.h:656
common internal api header.
unsigned int * row_bd
RowBd.
Definition: hevc.h:549
int video_format
Definition: hevc.h:314
uint8_t weighted_pred_flag
Definition: hevc.h:506
uint8_t * horizontal_bs
Definition: hevc.h:851
Definition: hevc.h:258
unsigned int nb_refs[2]
Definition: hevc.h:589
int32_t * tab_slice_address
Definition: hevc.h:854
uint8_t disable_deblocking_filter_flag
slice_header_disable_deblocking_filter_flag
Definition: hevc.h:595
const AVClass * c
Definition: hevc.h:791
unsigned int * col_bd
ColBd.
Definition: hevc.h:548
unsigned int * column_width
ColumnWidth.
Definition: hevc.h:546
int cand_bottom_left
Definition: hevc.h:661
Definition: hevc.h:97
uint8_t * filter_slice_edges
Definition: hevc.h:866
uint8_t slice_header_extension_present_flag
Definition: hevc.h:534
uint8_t collocated_list
Definition: hevc.h:597
Definition: hevc.h:214
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
Definition: hevc.h:909
int slice_ctb_addr_rs
Definition: hevc.h:633
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:581
AVBufferPool * tab_mvf_pool
Definition: hevc.h:822
Core video DSP helper functions.
int video_full_range_flag
Definition: hevc.h:315
PTLCommon sub_layer_ptl[MAX_SUB_LAYERS]
Definition: hevc.h:364
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
Definition: hevc_cabac.c:672
AVRational sar
Definition: hevc.h:308
uint8_t chroma_qp_offset_list_len_minus1
Definition: hevc.h:539
uint8_t slice_loop_filter_across_slices_enabled_flag
Definition: hevc.h:596
Definition: hevc.h:695
int num_delta_pocs
Definition: hevc.h:278
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:554
RefPicList rps[5]
Definition: hevc.h:826
uint8_t sps_strong_intra_smoothing_enable_flag
Definition: hevc.h:447
Definition: hevc.h:213
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
Definition: hevc_cabac.c:901
unsigned int collocated_ref_idx
Definition: hevc.h:599
Decoded Picture Buffer (DPB).
Definition: vaapi_h264.c:81
CodingUnit cu
Definition: hevc.h:777
int min_pu_width
Definition: hevc.h:476
Definition: hevc.h:124
int ff_hevc_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:718
int beta_offset
Definition: hevc.h:696
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
Definition: hevc_cabac.c:697
unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS]
Definition: hevc.h:377
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:784
SyntaxElement
Definition: hevc.h:136
unsigned int list_entry_lx[2][32]
Definition: hevc.h:583
uint8_t luma_log2_weight_denom
Definition: hevc.h:619
int16_t chroma_weight_l1[16][2]
Definition: hevc.h:624
uint8_t long_term_ref_pics_present_flag
Definition: hevc.h:434
unsigned int vps_max_latency_increase[MAX_SUB_LAYERS]
Definition: hevc.h:379
Definition: hevc.h:131
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
Definition: hevc_refs.c:134
int boundary_flags
Definition: hevc.h:787
int vui_hrd_parameters_present_flag
Definition: hevc.h:337
unsigned int right_offset
Definition: hevc.h:302
int diff_cu_qp_delta_depth
Definition: hevc.h:501
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
Definition: hevc_cabac.c:625
int ff_hevc_pcm_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:779
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc_cabac.c:451
int num_reorder_pics
Definition: hevc.h:418
struct HEVCSPS::@50 temporal_layer[MAX_SUB_LAYERS]
uint8_t progressive_source_flag
Definition: hevc.h:356
int cb_qp_offset
Definition: hevc.h:503
uint8_t context_initialized
Definition: hevc.h:902
AVBufferRef * rpl_buf
Definition: hevc.h:719
int is_decoded
Definition: hevc.h:844
int video_signal_type_present_flag
Definition: hevc.h:313
uint8_t deblocking_filter_override_enabled_flag
Definition: hevc.h:523
int bit_depth
Definition: hevc.h:408
enum SliceType slice_type
Definition: hevc.h:568
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:525
int min_tb_height
Definition: hevc.h:475
int * min_tb_addr_zs
MinTbAddrZS.
Definition: hevc.h:556
uint8_t * cbf_luma
Definition: hevc.h:862
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:600
PredMode
Definition: hevc.h:199
SliceHeader sh
Definition: hevc.h:828
uint8_t non_packed_constraint_flag
Definition: hevc.h:358
int qPy_pred
Definition: hevc.h:760
int intra_smoothing_disabled_flag
Definition: hevc.h:463
ScanType
Definition: hevc.h:270
int pcm_enabled_flag
Definition: hevc.h:413
int width
Definition: hevc.h:802
void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
Definition: hevc_cabac.c:1054
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
int tiles_fixed_structure_flag
Definition: hevc.h:340
#define MAX_NB_THREADS
Definition: hevc.h:42
int * offset
Definition: hevc.h:613
uint8_t interlaced_source_flag
Definition: hevc.h:357
uint8_t mvd_l1_zero_flag
Definition: hevc.h:592
int field_seq_flag
Definition: hevc.h:326
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
Definition: hevc.h:400
int end_of_tiles_y
Definition: hevc.h:769
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc_cabac.c:437
int * entry_point_offset
Definition: hevc.h:612
unsigned int bottom_offset
Definition: hevc.h:304
int vps_sub_layer_ordering_info_present_flag
Definition: hevc.h:376
Context Adaptive Binary Arithmetic Coder.
uint8_t slice_sample_adaptive_offset_flag[3]
Definition: hevc.h:591
uint8_t dependent_slice_segments_enabled_flag
Definition: hevc.h:511