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693 lines
18 KiB
C
Executable File
693 lines
18 KiB
C
Executable File
/*
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* HEVC video decoder
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*
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* Copyright (C) 2012 - 2013 Guillaume Martres
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_HEVCDEC_H
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#define AVCODEC_HEVCDEC_H
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#include <stdatomic.h>
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#include "libavutil/buffer.h"
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#include "libavutil/md5.h"
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#include "avcodec.h"
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#include "bswapdsp.h"
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#include "cabac.h"
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#include "get_bits.h"
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#include "hevcpred.h"
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#include "h2645_parse.h"
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#include "hevc.h"
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#include "hevc_ps.h"
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#include "hevc_sei.h"
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#include "hevcdsp.h"
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#include "internal.h"
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#include "thread.h"
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#include "videodsp.h"
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#define MAX_NB_THREADS 16
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#define SHIFT_CTB_WPP 2
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//TODO: check if this is really the maximum
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#define MAX_TRANSFORM_DEPTH 5
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#define MAX_TB_SIZE 32
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#define MAX_QP 51
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#define DEFAULT_INTRA_TC_OFFSET 2
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#define HEVC_CONTEXTS 199
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#define MRG_MAX_NUM_CANDS 5
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#define L0 0
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#define L1 1
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#define EPEL_EXTRA_BEFORE 1
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#define EPEL_EXTRA_AFTER 2
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#define EPEL_EXTRA 3
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#define QPEL_EXTRA_BEFORE 3
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#define QPEL_EXTRA_AFTER 4
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#define QPEL_EXTRA 7
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#define EDGE_EMU_BUFFER_STRIDE 80
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/**
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* Value of the luma sample at position (x, y) in the 2D array tab.
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*/
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#define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
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#define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
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#define IS_IDR(s) ((s)->nal_unit_type == HEVC_NAL_IDR_W_RADL || (s)->nal_unit_type == HEVC_NAL_IDR_N_LP)
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#define IS_BLA(s) ((s)->nal_unit_type == HEVC_NAL_BLA_W_RADL || (s)->nal_unit_type == HEVC_NAL_BLA_W_LP || \
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(s)->nal_unit_type == HEVC_NAL_BLA_N_LP)
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#define IS_IRAP(s) ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23)
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enum RPSType {
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ST_CURR_BEF = 0,
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ST_CURR_AFT,
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ST_FOLL,
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LT_CURR,
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LT_FOLL,
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NB_RPS_TYPE,
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};
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enum SyntaxElement {
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SAO_MERGE_FLAG = 0,
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SAO_TYPE_IDX,
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SAO_EO_CLASS,
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SAO_BAND_POSITION,
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SAO_OFFSET_ABS,
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SAO_OFFSET_SIGN,
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END_OF_SLICE_FLAG,
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SPLIT_CODING_UNIT_FLAG,
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CU_TRANSQUANT_BYPASS_FLAG,
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SKIP_FLAG,
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CU_QP_DELTA,
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PRED_MODE_FLAG,
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PART_MODE,
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PCM_FLAG,
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PREV_INTRA_LUMA_PRED_FLAG,
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MPM_IDX,
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REM_INTRA_LUMA_PRED_MODE,
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INTRA_CHROMA_PRED_MODE,
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MERGE_FLAG,
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MERGE_IDX,
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INTER_PRED_IDC,
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REF_IDX_L0,
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REF_IDX_L1,
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ABS_MVD_GREATER0_FLAG,
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ABS_MVD_GREATER1_FLAG,
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ABS_MVD_MINUS2,
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MVD_SIGN_FLAG,
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MVP_LX_FLAG,
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NO_RESIDUAL_DATA_FLAG,
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SPLIT_TRANSFORM_FLAG,
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CBF_LUMA,
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CBF_CB_CR,
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TRANSFORM_SKIP_FLAG,
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EXPLICIT_RDPCM_FLAG,
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EXPLICIT_RDPCM_DIR_FLAG,
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LAST_SIGNIFICANT_COEFF_X_PREFIX,
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LAST_SIGNIFICANT_COEFF_Y_PREFIX,
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LAST_SIGNIFICANT_COEFF_X_SUFFIX,
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LAST_SIGNIFICANT_COEFF_Y_SUFFIX,
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SIGNIFICANT_COEFF_GROUP_FLAG,
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SIGNIFICANT_COEFF_FLAG,
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COEFF_ABS_LEVEL_GREATER1_FLAG,
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COEFF_ABS_LEVEL_GREATER2_FLAG,
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COEFF_ABS_LEVEL_REMAINING,
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COEFF_SIGN_FLAG,
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LOG2_RES_SCALE_ABS,
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RES_SCALE_SIGN_FLAG,
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CU_CHROMA_QP_OFFSET_FLAG,
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CU_CHROMA_QP_OFFSET_IDX,
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};
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enum PartMode {
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PART_2Nx2N = 0,
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PART_2NxN = 1,
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PART_Nx2N = 2,
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PART_NxN = 3,
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PART_2NxnU = 4,
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PART_2NxnD = 5,
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PART_nLx2N = 6,
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PART_nRx2N = 7,
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};
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enum PredMode {
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MODE_INTER = 0,
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MODE_INTRA,
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MODE_SKIP,
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};
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enum InterPredIdc {
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PRED_L0 = 0,
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PRED_L1,
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PRED_BI,
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};
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enum PredFlag {
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PF_INTRA = 0,
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PF_L0,
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PF_L1,
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PF_BI,
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};
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enum IntraPredMode {
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INTRA_PLANAR = 0,
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INTRA_DC,
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INTRA_ANGULAR_2,
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INTRA_ANGULAR_3,
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INTRA_ANGULAR_4,
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INTRA_ANGULAR_5,
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INTRA_ANGULAR_6,
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INTRA_ANGULAR_7,
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INTRA_ANGULAR_8,
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INTRA_ANGULAR_9,
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INTRA_ANGULAR_10,
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INTRA_ANGULAR_11,
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INTRA_ANGULAR_12,
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INTRA_ANGULAR_13,
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INTRA_ANGULAR_14,
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INTRA_ANGULAR_15,
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INTRA_ANGULAR_16,
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INTRA_ANGULAR_17,
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INTRA_ANGULAR_18,
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INTRA_ANGULAR_19,
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INTRA_ANGULAR_20,
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INTRA_ANGULAR_21,
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INTRA_ANGULAR_22,
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INTRA_ANGULAR_23,
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INTRA_ANGULAR_24,
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INTRA_ANGULAR_25,
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INTRA_ANGULAR_26,
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INTRA_ANGULAR_27,
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INTRA_ANGULAR_28,
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INTRA_ANGULAR_29,
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INTRA_ANGULAR_30,
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INTRA_ANGULAR_31,
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INTRA_ANGULAR_32,
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INTRA_ANGULAR_33,
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INTRA_ANGULAR_34,
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};
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enum SAOType {
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SAO_NOT_APPLIED = 0,
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SAO_BAND,
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SAO_EDGE,
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SAO_APPLIED
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};
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enum SAOEOClass {
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SAO_EO_HORIZ = 0,
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SAO_EO_VERT,
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SAO_EO_135D,
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SAO_EO_45D,
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};
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enum ScanType {
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SCAN_DIAG = 0,
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SCAN_HORIZ,
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SCAN_VERT,
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};
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typedef struct LongTermRPS {
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int poc[32];
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uint8_t poc_msb_present[32];
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uint8_t used[32];
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uint8_t nb_refs;
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} LongTermRPS;
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typedef struct RefPicList {
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struct HEVCFrame *ref[HEVC_MAX_REFS];
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int list[HEVC_MAX_REFS];
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int isLongTerm[HEVC_MAX_REFS];
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int nb_refs;
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} RefPicList;
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typedef struct RefPicListTab {
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RefPicList refPicList[2];
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} RefPicListTab;
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typedef struct SliceHeader {
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unsigned int pps_id;
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///< address (in raster order) of the first block in the current slice segment
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unsigned int slice_segment_addr;
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///< address (in raster order) of the first block in the current slice
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unsigned int slice_addr;
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enum HEVCSliceType slice_type;
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int pic_order_cnt_lsb;
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uint8_t first_slice_in_pic_flag;
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uint8_t dependent_slice_segment_flag;
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uint8_t pic_output_flag;
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uint8_t colour_plane_id;
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///< RPS coded in the slice header itself is stored here
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int short_term_ref_pic_set_sps_flag;
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int short_term_ref_pic_set_size;
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ShortTermRPS slice_rps;
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const ShortTermRPS *short_term_rps;
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int long_term_ref_pic_set_size;
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LongTermRPS long_term_rps;
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unsigned int list_entry_lx[2][32];
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uint8_t rpl_modification_flag[2];
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uint8_t no_output_of_prior_pics_flag;
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uint8_t slice_temporal_mvp_enabled_flag;
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unsigned int nb_refs[2];
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uint8_t slice_sample_adaptive_offset_flag[3];
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uint8_t mvd_l1_zero_flag;
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uint8_t cabac_init_flag;
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uint8_t disable_deblocking_filter_flag; ///< slice_header_disable_deblocking_filter_flag
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uint8_t slice_loop_filter_across_slices_enabled_flag;
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uint8_t collocated_list;
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unsigned int collocated_ref_idx;
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int slice_qp_delta;
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int slice_cb_qp_offset;
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int slice_cr_qp_offset;
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uint8_t cu_chroma_qp_offset_enabled_flag;
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int beta_offset; ///< beta_offset_div2 * 2
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int tc_offset; ///< tc_offset_div2 * 2
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unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
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unsigned *entry_point_offset;
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int * offset;
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int * size;
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int num_entry_point_offsets;
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int8_t slice_qp;
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uint8_t luma_log2_weight_denom;
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int16_t chroma_log2_weight_denom;
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int16_t luma_weight_l0[16];
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int16_t chroma_weight_l0[16][2];
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int16_t chroma_weight_l1[16][2];
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int16_t luma_weight_l1[16];
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int16_t luma_offset_l0[16];
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int16_t chroma_offset_l0[16][2];
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int16_t luma_offset_l1[16];
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int16_t chroma_offset_l1[16][2];
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int slice_ctb_addr_rs;
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} SliceHeader;
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typedef struct CodingUnit {
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int x;
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int y;
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enum PredMode pred_mode; ///< PredMode
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enum PartMode part_mode; ///< PartMode
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// Inferred parameters
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uint8_t intra_split_flag; ///< IntraSplitFlag
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uint8_t max_trafo_depth; ///< MaxTrafoDepth
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uint8_t cu_transquant_bypass_flag;
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} CodingUnit;
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typedef struct Mv {
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int16_t x; ///< horizontal component of motion vector
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int16_t y; ///< vertical component of motion vector
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} Mv;
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typedef struct MvField {
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DECLARE_ALIGNED(4, Mv, mv)[2];
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int8_t ref_idx[2];
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int8_t pred_flag;
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} MvField;
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typedef struct NeighbourAvailable {
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int cand_bottom_left;
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int cand_left;
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int cand_up;
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int cand_up_left;
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int cand_up_right;
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int cand_up_right_sap;
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} NeighbourAvailable;
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typedef struct PredictionUnit {
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int mpm_idx;
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int rem_intra_luma_pred_mode;
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uint8_t intra_pred_mode[4];
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Mv mvd;
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uint8_t merge_flag;
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uint8_t intra_pred_mode_c[4];
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uint8_t chroma_mode_c[4];
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} PredictionUnit;
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typedef struct TransformUnit {
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int cu_qp_delta;
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int res_scale_val;
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// Inferred parameters;
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int intra_pred_mode;
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int intra_pred_mode_c;
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int chroma_mode_c;
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uint8_t is_cu_qp_delta_coded;
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uint8_t is_cu_chroma_qp_offset_coded;
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int8_t cu_qp_offset_cb;
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int8_t cu_qp_offset_cr;
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uint8_t cross_pf;
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} TransformUnit;
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typedef struct DBParams {
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int beta_offset;
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int tc_offset;
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} DBParams;
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#define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
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#define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
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#define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
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#define HEVC_FRAME_FLAG_BUMPING (1 << 3)
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typedef struct HEVCFrame {
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AVFrame *frame;
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ThreadFrame tf;
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MvField *tab_mvf;
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RefPicList *refPicList;
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RefPicListTab **rpl_tab;
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int ctb_count;
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int poc;
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struct HEVCFrame *collocated_ref;
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AVBufferRef *tab_mvf_buf;
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AVBufferRef *rpl_tab_buf;
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AVBufferRef *rpl_buf;
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AVBufferRef *hwaccel_priv_buf;
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void *hwaccel_picture_private;
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/**
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* A sequence counter, so that old frames are output first
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* after a POC reset
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*/
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uint16_t sequence;
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/**
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* A combination of HEVC_FRAME_FLAG_*
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*/
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uint8_t flags;
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} HEVCFrame;
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typedef struct HEVCLocalContext {
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uint8_t cabac_state[HEVC_CONTEXTS];
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uint8_t stat_coeff[4];
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uint8_t first_qp_group;
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GetBitContext gb;
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CABACContext cc;
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int8_t qp_y;
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int8_t curr_qp_y;
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int qPy_pred;
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TransformUnit tu;
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uint8_t ctb_left_flag;
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uint8_t ctb_up_flag;
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uint8_t ctb_up_right_flag;
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uint8_t ctb_up_left_flag;
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int end_of_tiles_x;
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int end_of_tiles_y;
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/* +7 is for subpixel interpolation, *2 for high bit depths */
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DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[(MAX_PB_SIZE + 7) * EDGE_EMU_BUFFER_STRIDE * 2];
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/* The extended size between the new edge emu buffer is abused by SAO */
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DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer2)[(MAX_PB_SIZE + 7) * EDGE_EMU_BUFFER_STRIDE * 2];
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DECLARE_ALIGNED(32, int16_t, tmp)[MAX_PB_SIZE * MAX_PB_SIZE];
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int ct_depth;
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CodingUnit cu;
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PredictionUnit pu;
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NeighbourAvailable na;
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#define BOUNDARY_LEFT_SLICE (1 << 0)
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#define BOUNDARY_LEFT_TILE (1 << 1)
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#define BOUNDARY_UPPER_SLICE (1 << 2)
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#define BOUNDARY_UPPER_TILE (1 << 3)
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/* properties of the boundary of the current CTB for the purposes
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* of the deblocking filter */
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int boundary_flags;
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} HEVCLocalContext;
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typedef struct HEVCContext {
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const AVClass *c; // needed by private avoptions
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AVCodecContext *avctx;
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struct HEVCContext *sList[MAX_NB_THREADS];
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HEVCLocalContext *HEVClcList[MAX_NB_THREADS];
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HEVCLocalContext *HEVClc;
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uint8_t threads_type;
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uint8_t threads_number;
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int width;
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int height;
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uint8_t *cabac_state;
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/** 1 if the independent slice segment header was successfully parsed */
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uint8_t slice_initialized;
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AVFrame *frame;
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AVFrame *output_frame;
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uint8_t *sao_pixel_buffer_h[3];
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uint8_t *sao_pixel_buffer_v[3];
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HEVCParamSets ps;
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HEVCSEI sei;
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struct AVMD5 *md5_ctx;
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AVBufferPool *tab_mvf_pool;
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AVBufferPool *rpl_tab_pool;
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///< candidate references for the current frame
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RefPicList rps[5];
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SliceHeader sh;
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SAOParams *sao;
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DBParams *deblock;
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enum HEVCNALUnitType nal_unit_type;
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int temporal_id; ///< temporal_id_plus1 - 1
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HEVCFrame *ref;
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HEVCFrame DPB[32];
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int poc;
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int pocTid0;
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int slice_idx; ///< number of the slice being currently decoded
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int eos; ///< current packet contains an EOS/EOB NAL
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int last_eos; ///< last packet contains an EOS/EOB NAL
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int max_ra;
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int bs_width;
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int bs_height;
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int overlap;
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int is_decoded;
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int no_rasl_output_flag;
|
|
|
|
HEVCPredContext hpc;
|
|
HEVCDSPContext hevcdsp;
|
|
VideoDSPContext vdsp;
|
|
BswapDSPContext bdsp;
|
|
int8_t *qp_y_tab;
|
|
uint8_t *horizontal_bs;
|
|
uint8_t *vertical_bs;
|
|
|
|
int32_t *tab_slice_address;
|
|
|
|
// CU
|
|
uint8_t *skip_flag;
|
|
uint8_t *tab_ct_depth;
|
|
// PU
|
|
uint8_t *tab_ipm;
|
|
|
|
uint8_t *cbf_luma; // cbf_luma of colocated TU
|
|
uint8_t *is_pcm;
|
|
|
|
// CTB-level flags affecting loop filter operation
|
|
uint8_t *filter_slice_edges;
|
|
|
|
/** used on BE to byteswap the lines for checksumming */
|
|
uint8_t *checksum_buf;
|
|
int checksum_buf_size;
|
|
|
|
/**
|
|
* Sequence counters for decoded and output frames, so that old
|
|
* frames are output first after a POC reset
|
|
*/
|
|
uint16_t seq_decode;
|
|
uint16_t seq_output;
|
|
|
|
int enable_parallel_tiles;
|
|
atomic_int wpp_err;
|
|
|
|
const uint8_t *data;
|
|
|
|
H2645Packet pkt;
|
|
// type of the first VCL NAL of the current frame
|
|
enum HEVCNALUnitType first_nal_type;
|
|
|
|
uint8_t context_initialized;
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|
int is_nalff; ///< this flag is != 0 if bitstream is encapsulated
|
|
///< as a format defined in 14496-15
|
|
int apply_defdispwin;
|
|
|
|
int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
|
|
int nuh_layer_id;
|
|
} HEVCContext;
|
|
|
|
/**
|
|
* Mark all frames in DPB as unused for reference.
|
|
*/
|
|
void ff_hevc_clear_refs(HEVCContext *s);
|
|
|
|
/**
|
|
* Drop all frames currently in DPB.
|
|
*/
|
|
void ff_hevc_flush_dpb(HEVCContext *s);
|
|
|
|
RefPicList *ff_hevc_get_ref_list(HEVCContext *s, HEVCFrame *frame,
|
|
int x0, int y0);
|
|
|
|
/**
|
|
* Construct the reference picture sets for the current frame.
|
|
*/
|
|
int ff_hevc_frame_rps(HEVCContext *s);
|
|
|
|
/**
|
|
* Construct the reference picture list(s) for the current slice.
|
|
*/
|
|
int ff_hevc_slice_rpl(HEVCContext *s);
|
|
|
|
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
|
|
int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
|
|
int ff_hevc_sao_merge_flag_decode(HEVCContext *s);
|
|
int ff_hevc_sao_type_idx_decode(HEVCContext *s);
|
|
int ff_hevc_sao_band_position_decode(HEVCContext *s);
|
|
int ff_hevc_sao_offset_abs_decode(HEVCContext *s);
|
|
int ff_hevc_sao_offset_sign_decode(HEVCContext *s);
|
|
int ff_hevc_sao_eo_class_decode(HEVCContext *s);
|
|
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s);
|
|
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s);
|
|
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0,
|
|
int x_cb, int y_cb);
|
|
int ff_hevc_pred_mode_decode(HEVCContext *s);
|
|
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth,
|
|
int x0, int y0);
|
|
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size);
|
|
int ff_hevc_pcm_flag_decode(HEVCContext *s);
|
|
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s);
|
|
int ff_hevc_mpm_idx_decode(HEVCContext *s);
|
|
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s);
|
|
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s);
|
|
int ff_hevc_merge_idx_decode(HEVCContext *s);
|
|
int ff_hevc_merge_flag_decode(HEVCContext *s);
|
|
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
|
|
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
|
|
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s);
|
|
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s);
|
|
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
|
|
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
|
|
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
|
|
int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx);
|
|
int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx);
|
|
|
|
/**
|
|
* Get the number of candidate references for the current frame.
|
|
*/
|
|
int ff_hevc_frame_nb_refs(const HEVCContext *s);
|
|
|
|
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
|
|
|
|
static av_always_inline int ff_hevc_nal_is_nonref(enum HEVCNALUnitType type)
|
|
{
|
|
switch (type) {
|
|
case HEVC_NAL_TRAIL_N:
|
|
case HEVC_NAL_TSA_N:
|
|
case HEVC_NAL_STSA_N:
|
|
case HEVC_NAL_RADL_N:
|
|
case HEVC_NAL_RASL_N:
|
|
case HEVC_NAL_VCL_N10:
|
|
case HEVC_NAL_VCL_N12:
|
|
case HEVC_NAL_VCL_N14:
|
|
return 1;
|
|
default: break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Find next frame in output order and put a reference to it in frame.
|
|
* @return 1 if a frame was output, 0 otherwise
|
|
*/
|
|
int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush);
|
|
|
|
void ff_hevc_bump_frame(HEVCContext *s);
|
|
|
|
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags);
|
|
|
|
void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0,
|
|
int nPbW, int nPbH);
|
|
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);
|
|
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);
|
|
void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase,
|
|
int log2_cb_size);
|
|
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0,
|
|
int log2_trafo_size);
|
|
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s);
|
|
int ff_hevc_cu_qp_delta_abs(HEVCContext *s);
|
|
int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s);
|
|
int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s);
|
|
void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size);
|
|
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size);
|
|
void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0,
|
|
int log2_trafo_size, enum ScanType scan_idx,
|
|
int c_idx);
|
|
|
|
void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size);
|
|
|
|
extern const uint8_t ff_hevc_qpel_extra_before[4];
|
|
extern const uint8_t ff_hevc_qpel_extra_after[4];
|
|
extern const uint8_t ff_hevc_qpel_extra[4];
|
|
|
|
#endif /* AVCODEC_HEVCDEC_H */
|