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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;
282 } ShortTermRPS;
283 
284 typedef struct LongTermRPS {
285  int poc[32];
288 } LongTermRPS;
289 
290 typedef struct RefPicList {
294  int nb_refs;
295 } RefPicList;
296 
297 typedef struct RefPicListTab {
299 } RefPicListTab;
300 
301 typedef struct HEVCWindow {
302  unsigned int left_offset;
303  unsigned int right_offset;
304  unsigned int top_offset;
305  unsigned int bottom_offset;
306 } HEVCWindow;
307 
308 typedef struct VUI {
310 
313 
321 
326 
329 
332 
335  uint32_t vui_time_scale;
339 
349 } VUI;
350 
351 typedef struct PTLCommon {
361 } PTLCommon;
362 
363 typedef struct PTL {
366 
369 } PTL;
370 
371 typedef struct HEVCVPS {
374  int vps_max_sub_layers; ///< vps_max_temporal_layers_minus1 + 1
375 
382  int vps_num_layer_sets; ///< vps_num_layer_sets_minus1 + 1
385  uint32_t vps_time_scale;
387  int vps_num_ticks_poc_diff_one; ///< vps_num_ticks_poc_diff_one_minus1 + 1
389 } HEVCVPS;
390 
391 typedef struct ScalingList {
392  /* This is a little wasteful, since sizeID 0 only needs 8 coeffs,
393  * and size ID 3 only has 2 arrays, not 6. */
394  uint8_t sl[4][6][64];
395  uint8_t sl_dc[2][6];
396 } ScalingList;
397 
398 typedef struct HEVCSPS {
399  unsigned vps_id;
402 
403  ///< output (i.e. cropped) values
406 
408 
412 
413  unsigned int log2_max_poc_lsb;
415 
417  struct {
422 
425 
428 
429  unsigned int nb_st_rps;
431 
434 
439 
440  struct {
443  unsigned int log2_min_pcm_cb_size;
444  unsigned int log2_max_pcm_cb_size;
446  } pcm;
449 
450  unsigned int log2_min_cb_size;
452  unsigned int log2_min_tb_size;
453  unsigned int log2_max_trafo_size;
454  unsigned int log2_ctb_size;
455  unsigned int log2_min_pu_size;
456 
459 
466 
467  ///< coded frame dimension in various units
468  int width;
469  int height;
472  int ctb_size;
479  int tb_mask;
480 
481  int hshift[3];
482  int vshift[3];
483 
485 } HEVCSPS;
486 
487 typedef struct HEVCPPS {
488  unsigned int sps_id; ///< seq_parameter_set_id
489 
491 
493 
494  int num_ref_idx_l0_default_active; ///< num_ref_idx_l0_default_active_minus1 + 1
495  int num_ref_idx_l1_default_active; ///< num_ref_idx_l1_default_active_minus1 + 1
497 
500 
503 
511 
515 
516  int num_tile_columns; ///< num_tile_columns_minus1 + 1
517  int num_tile_rows; ///< num_tile_rows_minus1 + 1
520 
522 
526  int beta_offset; ///< beta_offset_div2 * 2
527  int tc_offset; ///< tc_offset_div2 * 2
528 
531 
533  int log2_parallel_merge_level; ///< log2_parallel_merge_level_minus2 + 2
541  int8_t cb_qp_offset_list[5];
542  int8_t cr_qp_offset_list[5];
545 
546  // Inferred parameters
547  unsigned int *column_width; ///< ColumnWidth
548  unsigned int *row_height; ///< RowHeight
549  unsigned int *col_bd; ///< ColBd
550  unsigned int *row_bd; ///< RowBd
551  int *col_idxX;
552 
553  int *ctb_addr_rs_to_ts; ///< CtbAddrRSToTS
554  int *ctb_addr_ts_to_rs; ///< CtbAddrTSToRS
555  int *tile_id; ///< TileId
556  int *tile_pos_rs; ///< TilePosRS
557  int *min_tb_addr_zs; ///< MinTbAddrZS
558  int *min_tb_addr_zs_tab;///< MinTbAddrZS
559 } HEVCPPS;
560 
561 typedef struct HEVCParamSets {
565 
566  /* currently active parameter sets */
567  const HEVCVPS *vps;
568  const HEVCSPS *sps;
569  const HEVCPPS *pps;
570 } HEVCParamSets;
571 
572 typedef struct SliceHeader {
573  unsigned int pps_id;
574 
575  ///< address (in raster order) of the first block in the current slice segment
576  unsigned int slice_segment_addr;
577  ///< address (in raster order) of the first block in the current slice
578  unsigned int slice_addr;
579 
581 
583 
588 
589  ///< RPS coded in the slice header itself is stored here
596  unsigned int list_entry_lx[2][32];
597 
601 
602  unsigned int nb_refs[2];
603 
606 
608  uint8_t disable_deblocking_filter_flag; ///< slice_header_disable_deblocking_filter_flag
611 
612  unsigned int collocated_ref_idx;
613 
617 
619 
620  int beta_offset; ///< beta_offset_div2 * 2
621  int tc_offset; ///< tc_offset_div2 * 2
622 
623  unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
624 
626  int * offset;
627  int * size;
629 
630  int8_t slice_qp;
631 
634 
635  int16_t luma_weight_l0[16];
636  int16_t chroma_weight_l0[16][2];
637  int16_t chroma_weight_l1[16][2];
638  int16_t luma_weight_l1[16];
639 
640  int16_t luma_offset_l0[16];
641  int16_t chroma_offset_l0[16][2];
642 
643  int16_t luma_offset_l1[16];
644  int16_t chroma_offset_l1[16][2];
645 
647 } SliceHeader;
648 
649 typedef struct CodingUnit {
650  int x;
651  int y;
652 
653  enum PredMode pred_mode; ///< PredMode
654  enum PartMode part_mode; ///< PartMode
655 
656  // Inferred parameters
657  uint8_t intra_split_flag; ///< IntraSplitFlag
658  uint8_t max_trafo_depth; ///< MaxTrafoDepth
660 } CodingUnit;
661 
662 typedef struct Mv {
663  int16_t x; ///< horizontal component of motion vector
664  int16_t y; ///< vertical component of motion vector
665 } Mv;
666 
667 typedef struct MvField {
669  int8_t ref_idx[2];
670  int8_t pred_flag;
671 } MvField;
672 
673 typedef struct NeighbourAvailable {
676  int cand_up;
681 
682 typedef struct PredictionUnit {
683  int mpm_idx;
691 
692 typedef struct TransformUnit {
694 
696 
697  // Inferred parameters;
706 } TransformUnit;
707 
708 typedef struct DBParams {
711 } DBParams;
712 
713 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
714 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
715 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
716 #define HEVC_FRAME_FLAG_BUMPING (1 << 3)
717 
718 typedef struct HEVCFrame {
725  int poc;
727 
729 
733 
736 
737  /**
738  * A sequence counter, so that old frames are output first
739  * after a POC reset
740  */
741  uint16_t sequence;
742 
743  /**
744  * A combination of HEVC_FRAME_FLAG_*
745  */
747 } HEVCFrame;
748 
749 typedef struct HEVCNAL {
752 
753  int size;
754  const uint8_t *data;
755 
756  int raw_size;
758 
760 
763 
767 } HEVCNAL;
768 
769 /* an input packet split into unescaped NAL units */
770 typedef struct HEVCPacket {
772  int nb_nals;
774 } HEVCPacket;
775 
776 typedef struct HEVCLocalContext {
778 
780 
782 
785 
786  int8_t qp_y;
787  int8_t curr_qp_y;
788 
789  int qPy_pred;
790 
792 
799  /* +7 is for subpixel interpolation, *2 for high bit depths */
801  /* The extended size between the new edge emu buffer is abused by SAO */
804 
805  int ct_depth;
809 
810 #define BOUNDARY_LEFT_SLICE (1 << 0)
811 #define BOUNDARY_LEFT_TILE (1 << 1)
812 #define BOUNDARY_UPPER_SLICE (1 << 2)
813 #define BOUNDARY_UPPER_TILE (1 << 3)
814  /* properties of the boundary of the current CTB for the purposes
815  * of the deblocking filter */
818 
819 typedef struct HEVCContext {
820  const AVClass *c; // needed by private avoptions
822 
824 
827 
830 
831  int width;
832  int height;
833 
835 
836  /** 1 if the independent slice segment header was successfully parsed */
838 
843 
845 
848 
849  ///< candidate references for the current frame
851 
856  int temporal_id; ///< temporal_id_plus1 - 1
859  int poc;
860  int pocTid0;
861  int slice_idx; ///< number of the slice being currently decoded
862  int eos; ///< current packet contains an EOS/EOB NAL
863  int last_eos; ///< last packet contains an EOS/EOB NAL
864  int max_ra;
865  int bs_width;
867 
869 
874  int8_t *qp_y_tab;
877 
879 
880  // CU
883  // PU
885 
886  uint8_t *cbf_luma; // cbf_luma of colocated TU
888 
889  // CTB-level flags affecting loop filter operation
891 
892  /** used on BE to byteswap the lines for checksumming */
895 
896  /**
897  * Sequence counters for decoded and output frames, so that old
898  * frames are output first after a POC reset
899  */
900  uint16_t seq_decode;
901  uint16_t seq_output;
902 
904  int wpp_err;
905 
906  const uint8_t *data;
907 
909  // type of the first VCL NAL of the current frame
911 
912  // for checking the frame checksums
913  struct AVMD5 *md5_ctx;
914  uint8_t md5[3][16];
916 
918  uint8_t is_nalff; ///< this flag is != 0 if bitstream is encapsulated
919  ///< as a format defined in 14496-15
921 
923 
924  int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
926 
927  /** frame packing arrangement variables */
932 
933  /** display orientation */
937 
939 } HEVCContext;
940 
942  ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header);
943 
944 /**
945  * Parse the SPS from the bitstream into the provided HEVCSPS struct.
946  *
947  * @param sps_id the SPS id will be written here
948  * @param apply_defdispwin if set 1, the default display window from the VUI
949  * will be applied to the video dimensions
950  * @param vps_list if non-NULL, this function will validate that the SPS refers
951  * to an existing VPS
952  */
953 int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
954  int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx);
955 
957  HEVCParamSets *ps);
959  HEVCParamSets *ps, int apply_defdispwin);
961  HEVCParamSets *ps);
963 
964 /**
965  * Mark all frames in DPB as unused for reference.
966  */
968 
969 /**
970  * Drop all frames currently in DPB.
971  */
973 
974 /**
975  * Compute POC of the current frame and return it.
976  */
977 int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb);
978 
980  int x0, int y0);
981 
982 /**
983  * Construct the reference picture sets for the current frame.
984  */
986 
987 /**
988  * Construct the reference picture list(s) for the current slice.
989  */
991 
992 void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
993 void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
1002 int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0,
1003  int x_cb, int y_cb);
1006  int x0, int y0);
1007 int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size);
1015 int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
1016 int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
1019 int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
1020 int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
1021 int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
1024 
1025 /**
1026  * Get the number of candidate references for the current frame.
1027  */
1029 
1030 int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
1031 
1032 /**
1033  * Find next frame in output order and put a reference to it in frame.
1034  * @return 1 if a frame was output, 0 otherwise
1035  */
1037 
1039 
1041 
1042 void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0,
1043  int nPbW, int nPbH);
1044 void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0,
1045  int nPbW, int nPbH, int log2_cb_size,
1046  int part_idx, int merge_idx, MvField *mv);
1047 void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0,
1048  int nPbW, int nPbH, int log2_cb_size,
1049  int part_idx, int merge_idx,
1050  MvField *mv, int mvp_lx_flag, int LX);
1051 void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase,
1052  int log2_cb_size);
1054  int log2_trafo_size);
1059 void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size);
1060 void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size);
1061 void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0,
1062  int log2_trafo_size, enum ScanType scan_idx,
1063  int c_idx);
1064 
1065 void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size);
1066 
1067 
1068 /**
1069  * Extract the raw (unescaped) HEVC bitstream.
1070  */
1072  HEVCNAL *nal);
1073 
1074 /**
1075  * Split an input packet into NAL units.
1076  */
1078  AVCodecContext *avctx, int is_nalff, int nal_length_size);
1079 
1080 int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id,
1081  uint8_t *buf, int buf_size);
1082 
1083 extern const uint8_t ff_hevc_qpel_extra_before[4];
1084 extern const uint8_t ff_hevc_qpel_extra_after[4];
1085 extern const uint8_t ff_hevc_qpel_extra[4];
1086 
1087 extern const uint8_t ff_hevc_diag_scan4x4_x[16];
1088 extern const uint8_t ff_hevc_diag_scan4x4_y[16];
1089 extern const uint8_t ff_hevc_diag_scan8x8_x[64];
1090 extern const uint8_t ff_hevc_diag_scan8x8_y[64];
1091 
1092 #endif /* AVCODEC_HEVC_H */
#define EDGE_EMU_BUFFER_STRIDE
Definition: hevc.h:77
int8_t cu_qp_offset_cr
Definition: hevc.h:704
int frame_packing_arrangement_type
Definition: hevc.h:929
uint8_t ctb_up_flag
Definition: hevc.h:794
const HEVCPPS * pps
Definition: hevc.h:569
AVFrame * frame
Definition: hevc.h:719
unsigned int log2_min_cb_size
Definition: hevc.h:450
int sei_frame_packing_present
frame packing arrangement variables
Definition: hevc.h:928
uint8_t log2_sao_offset_scale_luma
Definition: hevc.h:543
int ff_hevc_merge_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:766
HEVCPredContext hpc
Definition: hevc.h:870
const char * s
Definition: avisynth_c.h:631
int min_spatial_segmentation_idc
Definition: hevc.h:344
NeighbourAvailable na
Definition: hevc.h:808
SliceType
Definition: hevc.h:130
Definition: hevc.h:126
GetBitContext gb
Definition: hevc.h:759
int pic_order_cnt_lsb
Definition: hevc.h:582
int short_term_ref_pic_set_sps_flag
Definition: hevc.h:590
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:931
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:171
HEVCFrame * ref
Definition: hevc.h:857
Definition: hevc.h:667
int ctb_height
Definition: hevc.h:471
#define MAX_PPS_COUNT
Definition: hevc.h:51
uint8_t is_cu_qp_delta_coded
Definition: hevc.h:701
static void flush(AVCodecContext *avctx)
uint8_t diff_cu_chroma_qp_offset_depth
Definition: hevc.h:539
int ff_hevc_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:777
Definition: hevc.h:96
int ff_hevc_sao_band_position_decode(HEVCContext *s)
Definition: hevc_cabac.c:563
int active_seq_parameter_set_id
Definition: hevc.h:922
int temporal_id
Definition: hevc.h:762
int vui_num_ticks_poc_diff_one_minus1
Definition: hevc.h:337
int max_dec_pic_buffering
Definition: hevc.h:418
VideoDSPContext vdsp
Definition: hevc.h:872
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevc.h:800
int transform_skip_rotation_enabled_flag
Definition: hevc.h:460
Definition: hevc.h:206
int content_interpretation_type
Definition: hevc.h:930
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:859
int8_t cb_qp_offset_list[5]
Definition: hevc.h:541
int16_t x
horizontal component of motion vector
Definition: hevc.h:663
unsigned int * row_height
RowHeight.
Definition: hevc.h:548
const uint8_t ff_hevc_qpel_extra[4]
void * hwaccel_picture_private
Definition: hevc.h:735
const uint8_t * raw_data
Definition: hevc.h:757
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
Definition: hevc.h:387
uint8_t * cabac_state
Definition: hevc.h:834
#define MAX_REFS
Definition: hevc.h:40
int sei_hflip
Definition: hevc.h:936
uint8_t nb_refs
Definition: hevc.h:287
MvField * tab_mvf
Definition: hevc.h:721
int pic_init_qp_minus26
Definition: hevc.h:496
int bs_width
Definition: hevc.h:865
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:595
uint8_t intra_split_flag
IntraSplitFlag.
Definition: hevc.h:657
VUI vui
Definition: hevc.h:423
int rem_intra_luma_pred_mode
Definition: hevc.h:684
int vshift[3]
Definition: hevc.h:482
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_data.c:25
unsigned int slice_addr
Definition: hevc.h:578
RPSType
Definition: hevc.h:121
uint32_t vui_time_scale
Definition: hevc.h:335
uint8_t weighted_bipred_flag
Definition: hevc.h:508
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:53
unsigned int left_offset
Definition: hevc.h:302
int tc_offset
Definition: hevc.h:710
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:745
int isLongTerm[MAX_REFS]
Definition: hevc.h:293
PredictionUnit pu
Definition: hevc.h:807
Definition: hevc.h:363
PartMode
Definition: hevc.h:188
uint8_t seq_loop_filter_across_slices_enabled_flag
Definition: hevc.h:521
uint8_t cabac_init_present_flag
Definition: hevc.h:492
int16_t chroma_offset_l1[16][2]
Definition: hevc.h:644
int chroma_loc_info_present_flag
Definition: hevc.h:322
RefPicList refPicList[2]
Definition: hevc.h:298
Definition: hevc.h:259
int max_latency_increase
Definition: hevc.h:420
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
Definition: hevc_refs.c:458
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
Definition: hevc_ps.c:1150
HEVCParamSets ps
Definition: hevc.h:844
int x
Definition: hevc.h:650
int nuh_layer_id
Definition: hevc.h:925
int min_cb_height
Definition: hevc.h:474
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
Definition: hevc.h:554
int explicit_rdpcm_enabled_flag
Definition: hevc.h:463
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
Definition: hevc.h:494
static AVPacket pkt
uint8_t bit_depth
Definition: hevc.h:441
int cand_up_right
Definition: hevc.h:678
struct HEVCFrame * ref[MAX_REFS]
Definition: hevc.h:291
uint8_t dependent_slice_segment_flag
Definition: hevc.h:585
int list[MAX_REFS]
Definition: hevc.h:292
CABACContext cc
Definition: hevc.h:784
ShortTermRPS slice_rps
Definition: hevc.h:592
AVBufferRef * vps_list[MAX_VPS_COUNT]
Definition: hevc.h:562
ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT]
Definition: hevc.h:430
int chroma_sample_loc_type_top_field
Definition: hevc.h:323
int width
Definition: hevc.h:468
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:553
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:900
uint8_t threads_type
Definition: hevc.h:828
enum NALUnitType first_nal_type
Definition: hevc.h:910
int qp_bd_offset
Definition: hevc.h:484
#define MAX_SPS_COUNT
Definition: hevc.h:50
#define HEVC_CONTEXTS
Definition: hevc.h:63
int pixel_shift
Definition: hevc.h:410
uint8_t entropy_coding_sync_enabled_flag
Definition: hevc.h:514
HEVCWindow output_window
Definition: hevc.h:405
int max_ra
Definition: hevc.h:864
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:600
int output_width
Definition: hevc.h:404
const uint8_t * data
Definition: hevc.h:906
int8_t curr_qp_y
Definition: hevc.h:787
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
Definition: hevc.h:533
AVBufferPool * rpl_tab_pool
candidate references for the current frame
Definition: hevc.h:847
uint8_t log2_sao_offset_scale_chroma
Definition: hevc.h:544
int restricted_ref_pic_lists_flag
Definition: hevc.h:343
int nb_refs
Definition: hevc.h:294
int chroma_format_idc
Definition: hevc.h:400
uint8_t disable_dbf
Definition: hevc.h:525
unsigned int log2_max_trafo_size
Definition: hevc.h:453
unsigned int slice_segment_addr
address (in raster order) of the first block in the current slice
Definition: hevc.h:576
HEVCPacket pkt
Definition: hevc.h:908
int ff_hevc_mpm_idx_decode(HEVCContext *s)
Definition: hevc_cabac.c:737
uint8_t profile_compatibility_flag[32]
Definition: hevc.h:355
Definition: hevc.h:308
unsigned int num_negative_pics
Definition: hevc.h:277
int end_of_tiles_x
Definition: hevc.h:797
uint8_t
uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:367
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
Definition: hevc_cabac.c:605
InterPredIdc
Definition: hevc.h:205
unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS]
Definition: hevc.h:379
HEVCWindow pic_conf_win
Definition: hevc.h:407
uint8_t log2_max_transform_skip_block_size
Definition: hevc.h:536
uint8_t ctb_up_right_flag
Definition: hevc.h:795
LongTermRPS long_term_rps
Definition: hevc.h:595
const uint8_t * data
Definition: hevc.h:754
int overscan_info_present_flag
Definition: hevc.h:311
int nals_allocated
Definition: hevc.h:773
int poc[32]
Definition: hevc.h:285
uint8_t vps_timing_info_present_flag
Definition: hevc.h:383
uint8_t matrix_coeffs
Definition: hevc.h:320
Multithreading support functions.
int min_tb_width
Definition: hevc.h:475
int cand_up_right_sap
Definition: hevc.h:679
uint8_t * rbsp_buffer
Definition: hevc.h:750
int num_entry_point_offsets
Definition: hevc.h:628
AVFrame * output_frame
Definition: hevc.h:840
int cand_up_left
Definition: hevc.h:677
int apply_defdispwin
Definition: hevc.h:920
SAOParams * sao
Definition: hevc.h:853
const HEVCVPS * vps
Definition: hevc.h:567
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
Definition: hevc.h:495
int wpp_err
Definition: hevc.h:904
unsigned int log2_min_pcm_cb_size
Definition: hevc.h:443
AVCodecContext * avctx
Definition: hevc.h:821
int min_cb_width
Definition: hevc.h:473
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
Definition: hevc.h:374
int frame_field_info_present_flag
Definition: hevc.h:328
static AVFrame * frame
uint8_t tier_flag
Definition: hevc.h:353
uint8_t scaling_list_data_present_flag
Definition: hevc.h:529
BswapDSPContext bdsp
Definition: hevc.h:873
ThreadFrame tf
Definition: hevc.h:720
uint8_t first_slice_in_pic_flag
Definition: hevc.h:584
uint8_t bit_depth_chroma
Definition: hevc.h:442
Definition: hevc.h:212
uint8_t ctb_up_left_flag
Definition: hevc.h:796
uint8_t threads_number
Definition: hevc.h:829
uint8_t is_cu_chroma_qp_offset_coded
Definition: hevc.h:702
int ff_hevc_decode_nal_sei(HEVCContext *s)
Definition: hevc_sei.c:253
bitstream reader API header.
int8_t pred_flag
Definition: hevc.h:670
Definition: hevc.h:207
int8_t * qp_y_tab
Definition: hevc.h:874
uint8_t loop_filter_disable_flag
Definition: hevc.h:445
int sei_anticlockwise_rotation
Definition: hevc.h:935
uint8_t pic_output_flag
Definition: hevc.h:586
uint8_t * tab_ct_depth
Definition: hevc.h:882
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:659
int16_t tmp[MAX_PB_SIZE *MAX_PB_SIZE]
Definition: hevc.h:803
Definition: md5.c:39
int bitstream_restriction_flag
Definition: hevc.h:340
uint8_t transquant_bypass_enable_flag
Definition: hevc.h:510
uint8_t used[32]
Definition: hevc.h:286
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
Definition: hevc_cabac.c:583
The buffer pool.
int temporal_id
temporal_id_plus1 - 1
Definition: hevc.h:856
uint8_t first_qp_group
Definition: hevc.h:781
HEVCDSPContext hevcdsp
Definition: hevc.h:871
int ctb_count
Definition: hevc.h:724
uint8_t no_output_of_prior_pics_flag
Definition: hevc.h:599
HEVCLocalContext * HEVClcList[MAX_NB_THREADS]
Definition: hevc.h:825
Definition: hevc.h:215
Definition: hevc.h:112
int8_t cr_qp_offset_list[5]
Definition: hevc.h:542
int slice_idx
number of the slice being currently decoded
Definition: hevc.h:861
int vps_max_layer_id
Definition: hevc.h:381
uint8_t intra_pred_mode[4]
Definition: hevc.h:685
uint8_t colour_plane_id
RPS coded in the slice header itself is stored here.
Definition: hevc.h:587
uint8_t frame_only_constraint_flag
Definition: hevc.h:360
uint8_t cu_chroma_qp_offset_enabled_flag
Definition: hevc.h:618
Definition: hevc.h:125
int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s)
Definition: hevc_cabac.c:650
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:837
unsigned int log2_max_poc_lsb
Definition: hevc.h:413
int nb_nals
Definition: hevc.h:772
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:1381
int vps_max_layers
Definition: hevc.h:373
int min_pu_height
Definition: hevc.h:478
int persistent_rice_adaptation_enabled_flag
coded frame dimension in various units
Definition: hevc.h:465
AVBufferRef * rpl_tab_buf
Definition: hevc.h:731
uint8_t rpl_modification_flag[2]
Definition: hevc.h:598
int * size
Definition: hevc.h:627
int vui_timing_info_present_flag
Definition: hevc.h:333
uint8_t amp_enabled_flag
Definition: hevc.h:432
Definition: hevc.h:192
RefPicList * refPicList
Definition: hevc.h:722
int16_t luma_offset_l0[16]
Definition: hevc.h:640
int bs_height
Definition: hevc.h:866
#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:454
int picture_struct
Definition: hevc.h:938
uint8_t * sao_pixel_buffer_h[3]
Definition: hevc.h:841
int8_t cu_qp_offset_cb
Definition: hevc.h:703
GLsizei GLsizei * length
Definition: opengl_enc.c:115
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:621
const ShortTermRPS * short_term_rps
Definition: hevc.h:593
int vui_poc_proportional_to_timing_flag
Definition: hevc.h:336
uint8_t merge_flag
Definition: hevc.h:687
SAOType
Definition: hevc.h:256
struct AVMD5 * md5_ctx
Definition: hevc.h:913
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:448
uint8_t vps_temporal_id_nesting_flag
Definition: hevc.h:372
int8_t slice_qp
Definition: hevc.h:630
int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s)
Definition: hevc_cabac.c:655
Libavcodec external API header.
uint8_t edge_emu_buffer2[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
Definition: hevc.h:802
uint8_t max_trafo_depth
MaxTrafoDepth.
Definition: hevc.h:658
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
Definition: hevc.h:741
uint8_t colour_primaries
Definition: hevc.h:318
uint8_t used[32]
Definition: hevc.h:281
uint8_t slice_temporal_mvp_enabled_flag
Definition: hevc.h:600
uint8_t * vertical_bs
Definition: hevc.h:876
int motion_vectors_over_pic_boundaries_flag
Definition: hevc.h:342
HEVCNAL * nals
Definition: hevc.h:771
int chroma_mode_c
Definition: hevc.h:700
uint8_t tiles_enabled_flag
Definition: hevc.h:513
int ct_depth
Definition: hevc.h:805
uint32_t vps_num_units_in_tick
Definition: hevc.h:384
int16_t luma_weight_l0[16]
Definition: hevc.h:635
int * col_idxX
Definition: hevc.h:551
struct HEVCContext * sList[MAX_NB_THREADS]
Definition: hevc.h:823
int slice_qp_delta
Definition: hevc.h:614
int intra_pred_mode
Definition: hevc.h:698
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:808
const HEVCSPS * sps
Definition: hevc.h:568
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
Definition: hevc.h:382
uint8_t lists_modification_present_flag
Definition: hevc.h:532
int * min_tb_addr_zs_tab
MinTbAddrZS.
Definition: hevc.h:558
uint8_t profile_idc
Definition: hevc.h:354
AVBufferRef * tab_mvf_buf
Definition: hevc.h:730
uint8_t chroma_mode_c[4]
Definition: hevc.h:689
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:620
int res_scale_val
Definition: hevc.h:695
int max_transform_hierarchy_depth_inter
Definition: hevc.h:457
uint8_t cabac_state[HEVC_CONTEXTS]
Definition: hevc.h:777
int rbsp_buffer_size
Definition: hevc.h:751
uint8_t * sao_pixel_buffer_v[3]
Definition: hevc.h:842
float y
int slice_cr_qp_offset
Definition: hevc.h:616
uint8_t vps_poc_proportional_to_timing_flag
Definition: hevc.h:386
int num_tile_columns
num_tile_columns_minus1 + 1
Definition: hevc.h:516
int output_height
Definition: hevc.h:404
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:884
int size
Definition: hevc.h:753
unsigned int top_offset
Definition: hevc.h:304
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
Definition: hevc_filter.c:868
Definition: hevc.h:150
AVBufferRef * pps_list[MAX_PPS_COUNT]
Definition: hevc.h:564
int hshift[3]
Definition: hevc.h:481
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
Definition: hevc_cabac.c:690
int32_t
int max_bits_per_min_cu_denom
Definition: hevc.h:346
uint8_t cu_qp_delta_enabled_flag
Definition: hevc.h:501
uint8_t used_by_curr_pic_lt_sps_flag[32]
Definition: hevc.h:437
int8_t qp_y
Definition: hevc.h:786
Definition: hevc.h:133
int intra_pred_mode_c
Definition: hevc.h:699
Definition: hevc.h:208
int ctb_width
Definition: hevc.h:470
struct HEVCFrame * collocated_ref
Definition: hevc.h:726
int16_t chroma_weight_l0[16][2]
Definition: hevc.h:636
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:395
int32_t delta_poc[32]
Definition: hevc.h:280
uint8_t sign_data_hiding_flag
Definition: hevc.h:490
int height
Definition: hevc.h:469
uint8_t output_flag_present_flag
Definition: hevc.h:509
int log2_max_mv_length_vertical
Definition: hevc.h:348
uint16_t seq_output
Definition: hevc.h:901
int mpm_idx
Definition: hevc.h:683
PTLCommon general_ptl
Definition: hevc.h:364
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:643
int16_t chroma_offset_l0[16][2]
Definition: hevc.h:641
int max_bytes_per_pic_denom
Definition: hevc.h:345
int overscan_appropriate_flag
Definition: hevc.h:312
Definition: hevc.h:111
int implicit_rdpcm_enabled_flag
Definition: hevc.h:462
unsigned vps_id
Definition: hevc.h:399
SAOEOClass
Definition: hevc.h:263
uint8_t constrained_intra_pred_flag
Definition: hevc.h:498
int tb_mask
Definition: hevc.h:479
unsigned int pps_id
address (in raster order) of the first block in the current slice segment
Definition: hevc.h:573
uint8_t sl[4][6][64]
Definition: hevc.h:394
PTL ptl
Definition: hevc.h:376
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
Definition: hevc.h:506
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
Definition: hevc_cabac.c:671
uint32_t vps_time_scale
Definition: hevc.h:385
Definition: hevc.h:132
int colour_description_present_flag
Definition: hevc.h:317
static const int8_t mv[256][2]
Definition: 4xm.c:77
uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS]
Definition: hevc.h:368
Definition: hevc.h:398
enum AVPixelFormat pix_fmt
Definition: hevc.h:411
Definition: hevc.h:371
RefPicListTab ** rpl_tab
Definition: hevc.h:723
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:756
int sei_display_orientation_present
display orientation
Definition: hevc.h:934
int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx)
Definition: hevc_cabac.c:888
int slice_cb_qp_offset
Definition: hevc.h:615
Definition: hevc.h:487
uint8_t transform_skip_enabled_flag
Definition: hevc.h:499
int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length, HEVCNAL *nal)
Extract the raw (unescaped) HEVC bitstream.
Definition: hevc_parse.c:32
AVS_Value src
Definition: avisynth_c.h:482
int short_term_ref_pic_set_size
Definition: hevc.h:591
Definition: hevc.h:749
uint8_t uniform_spacing_flag
Definition: hevc.h:518
int ctb_size
Definition: hevc.h:472
uint8_t is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
Definition: hevc.h:918
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
Definition: hevc.h:553
Definition: hevc.h:167
PTL ptl
Definition: hevc.h:424
int max_sub_layers
Definition: hevc.h:416
unsigned int log2_min_pu_size
Definition: hevc.h:455
uint8_t md5[3][16]
Definition: hevc.h:914
unsigned int sps_id
seq_parameter_set_id
Definition: hevc.h:488
#define MAX_VPS_COUNT
Definition: hevc.h:49
ScalingList scaling_list
Definition: hevc.h:530
int long_term_ref_pic_set_size
Definition: hevc.h:594
main external API structure.
Definition: avcodec.h:1502
uint8_t is_md5
Definition: hevc.h:915
struct HEVCSPS::@51 pcm
int log2_max_mv_length_horizontal
Definition: hevc.h:347
uint8_t sao_enabled
Definition: hevc.h:433
enum PredMode pred_mode
PredMode.
Definition: hevc.h:653
AVBufferRef * hwaccel_priv_buf
Definition: hevc.h:734
int num_extra_slice_header_bits
Definition: hevc.h:534
int16_t y
vertical component of motion vector
Definition: hevc.h:664
uint8_t cross_pf
Definition: hevc.h:705
uint8_t loop_filter_across_tiles_enabled_flag
Definition: hevc.h:519
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:832
uint8_t num_long_term_ref_pics_sps
Definition: hevc.h:438
TransformUnit tu
Definition: hevc.h:791
PredFlag
Definition: hevc.h:211
uint8_t cross_component_prediction_enabled_flag
Definition: hevc.h:537
void * buf
Definition: avisynth_c.h:553
uint32_t vui_num_units_in_tick
Definition: hevc.h:334
uint8_t ctb_left_flag
Definition: hevc.h:793
int y
Definition: hevc.h:651
uint8_t deblocking_filter_control_present_flag
Definition: hevc.h:523
int cu_qp_delta
Definition: hevc.h:693
uint8_t * is_pcm
Definition: hevc.h:887
Definition: hevc.h:113
int transform_skip_context_enabled_flag
Definition: hevc.h:461
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
Definition: hevc.h:893
uint8_t sps_temporal_mvp_enabled_flag
Definition: hevc.h:447
unsigned int nb_st_rps
Definition: hevc.h:429
int chroma_sample_loc_type_bottom_field
Definition: hevc.h:324
uint8_t cabac_init_flag
Definition: hevc.h:607
Describe the class of an AVClass context structure.
Definition: log.h:67
int num_tile_rows
num_tile_rows_minus1 + 1
Definition: hevc.h:517
int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx)
Definition: hevc_cabac.c:879
uint8_t stat_coeff[4]
Definition: hevc.h:779
uint8_t chroma_qp_offset_list_enabled_flag
Definition: hevc.h:538
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc_data.c:58
int poc
Definition: hevc.h:725
rational number numerator/denominator
Definition: rational.h:43
int vps_num_hrd_parameters
Definition: hevc.h:388
#define MAX_SUB_LAYERS
7.4.2.1
Definition: hevc.h:48
AVFrame * frame
Definition: hevc.h:839
int skipped_bytes
Definition: hevc.h:764
int enable_parallel_tiles
Definition: hevc.h:903
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
Definition: hevc_cabac.c:588
unsigned int max_num_merge_cand
5 - 5_minus_max_num_merge_cand
Definition: hevc.h:623
int checksum_buf_size
Definition: hevc.h:894
int last_eos
last packet contains an EOS/EOB NAL
Definition: hevc.h:863
DBParams * deblock
Definition: hevc.h:854
GetBitContext gb
Definition: hevc.h:783
unsigned int log2_min_tb_size
Definition: hevc.h:452
refcounted data buffer API
int poc
Definition: hevc.h:859
enum PartMode part_mode
PartMode.
Definition: hevc.h:654
uint16_t lt_ref_pic_poc_lsb_sps[32]
Definition: hevc.h:436
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:688
IntraPredMode
Definition: hevc.h:218
enum NALUnitType nal_unit_type
Definition: hevc.h:855
Definition: hevc.h:662
HEVCWindow window
Definition: hevc.h:728
uint8_t scaling_list_enable_flag
Definition: hevc.h:426
int * tile_id
TileId.
Definition: hevc.h:555
int16_t luma_weight_l1[16]
Definition: hevc.h:638
int16_t chroma_log2_weight_denom
Definition: hevc.h:633
int tc_offset
tc_offset_div2 * 2
Definition: hevc.h:527
int * skipped_bytes_pos
Definition: hevc.h:766
uint8_t transfer_characteristic
Definition: hevc.h:319
int pocTid0
Definition: hevc.h:860
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Definition: hevc.h:746
HEVCLocalContext * HEVClc
Definition: hevc.h:826
int default_display_window_flag
Definition: hevc.h:330
#define MAX_PB_SIZE
Definition: hevcdsp.h:30
Definition: hevc.h:220
int ff_hevc_split_packet(HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, int length, AVCodecContext *avctx, int is_nalff, int nal_length_size)
Split an input packet into NAL units.
Definition: hevc_parse.c:208
HEVCWindow def_disp_win
Definition: hevc.h:331
int cr_qp_offset
Definition: hevc.h:505
ScalingList scaling_list
Definition: hevc.h:427
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
Definition: hevc_cabac.c:782
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:393
unsigned int log2_diff_max_min_coding_block_size
Definition: hevc.h:451
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
Definition: hevc_cabac.c:854
static int flags
Definition: cpu.c:47
Definition: hevc.h:152
int skipped_bytes_pos_size
Definition: hevc.h:765
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:792
unsigned int log2_max_pcm_cb_size
Definition: hevc.h:444
void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
Definition: hevc_cabac.c:1512
uint8_t level_idc
Definition: hevc.h:356
int eos
current packet contains an EOS/EOB NAL
Definition: hevc.h:862
int neutra_chroma_indication_flag
Definition: hevc.h:325
int * tile_pos_rs
TilePosRS.
Definition: hevc.h:556
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:936
A reference to a data buffer.
Definition: buffer.h:81
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:755
int max_transform_hierarchy_depth_intra
Definition: hevc.h:458
uint8_t profile_space
Definition: hevc.h:352
Mv mv[2]
Definition: hevc.h:668
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:813
const uint8_t ff_hevc_qpel_extra_before[4]
uint8_t * skip_flag
Definition: hevc.h:881
int8_t ref_idx[2]
Definition: hevc.h:669
common internal api header.
unsigned int * row_bd
RowBd.
Definition: hevc.h:550
int video_format
Definition: hevc.h:315
uint8_t weighted_pred_flag
Definition: hevc.h:507
uint8_t * horizontal_bs
Definition: hevc.h:875
Definition: hevc.h:258
unsigned int nb_refs[2]
Definition: hevc.h:602
int32_t * tab_slice_address
Definition: hevc.h:878
uint8_t disable_deblocking_filter_flag
slice_header_disable_deblocking_filter_flag
Definition: hevc.h:608
const AVClass * c
Definition: hevc.h:820
unsigned int * col_bd
ColBd.
Definition: hevc.h:549
unsigned int * column_width
ColumnWidth.
Definition: hevc.h:547
int cand_bottom_left
Definition: hevc.h:674
Definition: hevc.h:97
uint8_t * filter_slice_edges
Definition: hevc.h:890
uint8_t slice_header_extension_present_flag
Definition: hevc.h:535
uint8_t collocated_list
Definition: hevc.h:610
Definition: hevc.h:214
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
Definition: hevc.h:924
int slice_ctb_addr_rs
Definition: hevc.h:646
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:846
Core video DSP helper functions.
int video_full_range_flag
Definition: hevc.h:316
PTLCommon sub_layer_ptl[MAX_SUB_LAYERS]
Definition: hevc.h:365
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
Definition: hevc_cabac.c:620
AVRational sar
Definition: hevc.h:309
uint8_t chroma_qp_offset_list_len_minus1
Definition: hevc.h:540
uint8_t slice_loop_filter_across_slices_enabled_flag
Definition: hevc.h:609
Definition: hevc.h:708
int num_delta_pocs
Definition: hevc.h:278
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
Definition: hevc_cabac.c:502
RefPicList rps[5]
Definition: hevc.h:850
uint8_t sps_strong_intra_smoothing_enable_flag
Definition: hevc.h:448
enum NALUnitType type
Definition: hevc.h:761
int rps_idx_num_delta_pocs
Definition: hevc.h:279
Definition: hevc.h:213
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
Definition: hevc_cabac.c:849
unsigned int collocated_ref_idx
Definition: hevc.h:612
Decoded Picture Buffer (DPB).
Definition: vaapi_h264.c:81
CodingUnit cu
Definition: hevc.h:806
int min_pu_width
Definition: hevc.h:477
Definition: hevc.h:124
int ff_hevc_pred_mode_decode(HEVCContext *s)
Definition: hevc_cabac.c:666
int beta_offset
Definition: hevc.h:709
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
Definition: hevc_cabac.c:645
unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS]
Definition: hevc.h:378
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:732
SyntaxElement
Definition: hevc.h:136
unsigned int list_entry_lx[2][32]
Definition: hevc.h:596
uint8_t luma_log2_weight_denom
Definition: hevc.h:632
int16_t chroma_weight_l1[16][2]
Definition: hevc.h:637
uint8_t long_term_ref_pics_present_flag
Definition: hevc.h:435
unsigned int vps_max_latency_increase[MAX_SUB_LAYERS]
Definition: hevc.h:380
Definition: hevc.h:131
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
Definition: hevc_refs.c:134
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:796
int boundary_flags
Definition: hevc.h:816
int vui_hrd_parameters_present_flag
Definition: hevc.h:338
unsigned int right_offset
Definition: hevc.h:303
int diff_cu_qp_delta_depth
Definition: hevc.h:502
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
Definition: hevc_cabac.c:573
int ff_hevc_pcm_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:727
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc_data.c:39
int num_reorder_pics
Definition: hevc.h:419
struct HEVCSPS::@50 temporal_layer[MAX_SUB_LAYERS]
uint8_t progressive_source_flag
Definition: hevc.h:357
int cb_qp_offset
Definition: hevc.h:504
uint8_t context_initialized
Definition: hevc.h:917
AVBufferRef * rpl_buf
Definition: hevc.h:732
int is_decoded
Definition: hevc.h:868
int video_signal_type_present_flag
Definition: hevc.h:314
uint8_t deblocking_filter_override_enabled_flag
Definition: hevc.h:524
int bit_depth
Definition: hevc.h:409
enum SliceType slice_type
Definition: hevc.h:580
int beta_offset
beta_offset_div2 * 2
Definition: hevc.h:526
int min_tb_height
Definition: hevc.h:476
int * min_tb_addr_zs
MinTbAddrZS.
Definition: hevc.h:557
uint8_t * cbf_luma
Definition: hevc.h:886
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
Definition: hevc_cabac.c:548
PredMode
Definition: hevc.h:199
SliceHeader sh
Definition: hevc.h:852
int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
Definition: hevc_ps.c:110
uint8_t non_packed_constraint_flag
Definition: hevc.h:359
int qPy_pred
Definition: hevc.h:789
int intra_smoothing_disabled_flag
Definition: hevc.h:464
ScanType
Definition: hevc.h:270
int pcm_enabled_flag
Definition: hevc.h:414
int width
Definition: hevc.h:831
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:1002
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
int tiles_fixed_structure_flag
Definition: hevc.h:341
#define MAX_NB_THREADS
Definition: hevc.h:42
int * offset
Definition: hevc.h:626
uint8_t interlaced_source_flag
Definition: hevc.h:358
AVBufferRef * sps_list[MAX_SPS_COUNT]
Definition: hevc.h:563
uint8_t mvd_l1_zero_flag
Definition: hevc.h:605
int field_seq_flag
Definition: hevc.h:327
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
Definition: hevc.h:401
int end_of_tiles_y
Definition: hevc.h:798
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc_data.c:32
int * entry_point_offset
Definition: hevc.h:625
unsigned int bottom_offset
Definition: hevc.h:305
int vps_sub_layer_ordering_info_present_flag
Definition: hevc.h:377
Context Adaptive Binary Arithmetic Coder.
uint8_t slice_sample_adaptive_offset_flag[3]
Definition: hevc.h:604
uint8_t dependent_slice_segments_enabled_flag
Definition: hevc.h:512