ffmpeg-2.1.1: move directory
git-svn-id: svn://kolibrios.org@6148 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
985
contrib/sdk/sources/ffmpeg/ffmpeg-2.1/libavcodec/hevc.h
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985
contrib/sdk/sources/ffmpeg/ffmpeg-2.1/libavcodec/hevc.h
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@@ -0,0 +1,985 @@
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/*
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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_HEVC_H
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#define AVCODEC_HEVC_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 "cabac.h"
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#include "dsputil.h"
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#include "get_bits.h"
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#include "hevcpred.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_DPB_SIZE 16 // A.4.1
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#define MAX_REFS 16
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#define MAX_NB_THREADS 16
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#define SHIFT_CTB_WPP 2
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/**
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* 7.4.2.1
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*/
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#define MAX_SUB_LAYERS 7
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#define MAX_VPS_COUNT 16
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#define MAX_SPS_COUNT 32
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#define MAX_PPS_COUNT 256
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#define MAX_SHORT_TERM_RPS_COUNT 64
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#define MAX_CU_SIZE 128
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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_PB_SIZE 64
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#define MAX_LOG2_CTB_SIZE 6
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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 183
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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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/**
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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 SAMPLE_CBF(tab, x, y) ((tab)[((y) & ((1<<log2_trafo_size)-1)) * MAX_CU_SIZE + ((x) & ((1<<log2_trafo_size)-1))])
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#define IS_IDR(s) (s->nal_unit_type == NAL_IDR_W_RADL || s->nal_unit_type == NAL_IDR_N_LP)
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#define IS_BLA(s) (s->nal_unit_type == NAL_BLA_W_RADL || s->nal_unit_type == NAL_BLA_W_LP || \
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s->nal_unit_type == NAL_BLA_N_LP)
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/**
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* Table 7-3: NAL unit type codes
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*/
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enum NALUnitType {
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NAL_TRAIL_N = 0,
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NAL_TRAIL_R = 1,
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NAL_TSA_N = 2,
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NAL_TSA_R = 3,
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NAL_STSA_N = 4,
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NAL_STSA_R = 5,
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NAL_RADL_N = 6,
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NAL_RADL_R = 7,
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NAL_RASL_N = 8,
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NAL_RASL_R = 9,
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NAL_BLA_W_LP = 16,
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NAL_BLA_W_RADL = 17,
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NAL_BLA_N_LP = 18,
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NAL_IDR_W_RADL = 19,
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NAL_IDR_N_LP = 20,
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NAL_CRA_NUT = 21,
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NAL_VPS = 32,
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NAL_SPS = 33,
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NAL_PPS = 34,
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NAL_AUD = 35,
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NAL_EOS_NUT = 36,
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NAL_EOB_NUT = 37,
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NAL_FD_NUT = 38,
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NAL_SEI_PREFIX = 39,
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NAL_SEI_SUFFIX = 40,
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};
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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 SliceType {
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B_SLICE = 0,
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P_SLICE = 1,
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I_SLICE = 2,
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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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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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};
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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 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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};
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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 ShortTermRPS {
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int num_negative_pics;
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int num_delta_pocs;
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int32_t delta_poc[32];
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uint8_t used[32];
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} ShortTermRPS;
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typedef struct LongTermRPS {
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int poc[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[MAX_REFS];
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int list[MAX_REFS];
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int isLongTerm[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 HEVCWindow {
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int left_offset;
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int right_offset;
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int top_offset;
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int bottom_offset;
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} HEVCWindow;
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typedef struct VUI {
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AVRational sar;
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int overscan_info_present_flag;
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int overscan_appropriate_flag;
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int video_signal_type_present_flag;
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int video_format;
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int video_full_range_flag;
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int colour_description_present_flag;
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uint8_t colour_primaries;
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uint8_t transfer_characteristic;
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uint8_t matrix_coeffs;
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int chroma_loc_info_present_flag;
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int chroma_sample_loc_type_top_field;
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int chroma_sample_loc_type_bottom_field;
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int neutra_chroma_indication_flag;
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int field_seq_flag;
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int frame_field_info_present_flag;
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int default_display_window_flag;
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HEVCWindow def_disp_win;
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int vui_timing_info_present_flag;
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uint32_t vui_num_units_in_tick;
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uint32_t vui_time_scale;
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int vui_poc_proportional_to_timing_flag;
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int vui_num_ticks_poc_diff_one_minus1;
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int vui_hrd_parameters_present_flag;
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int bitstream_restriction_flag;
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int tiles_fixed_structure_flag;
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int motion_vectors_over_pic_boundaries_flag;
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int restricted_ref_pic_lists_flag;
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int min_spatial_segmentation_idc;
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int max_bytes_per_pic_denom;
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int max_bits_per_min_cu_denom;
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int log2_max_mv_length_horizontal;
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int log2_max_mv_length_vertical;
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} VUI;
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typedef struct PTL {
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int general_profile_space;
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uint8_t general_tier_flag;
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int general_profile_idc;
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int general_profile_compatibility_flag[32];
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int general_level_idc;
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uint8_t sub_layer_profile_present_flag[MAX_SUB_LAYERS];
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uint8_t sub_layer_level_present_flag[MAX_SUB_LAYERS];
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int sub_layer_profile_space[MAX_SUB_LAYERS];
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uint8_t sub_layer_tier_flag[MAX_SUB_LAYERS];
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int sub_layer_profile_idc[MAX_SUB_LAYERS];
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uint8_t sub_layer_profile_compatibility_flags[MAX_SUB_LAYERS][32];
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int sub_layer_level_idc[MAX_SUB_LAYERS];
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} PTL;
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typedef struct VPS {
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uint8_t vps_temporal_id_nesting_flag;
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int vps_max_layers;
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int vps_max_sub_layers; ///< vps_max_temporal_layers_minus1 + 1
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PTL ptl;
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int vps_sub_layer_ordering_info_present_flag;
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unsigned int vps_max_dec_pic_buffering[MAX_SUB_LAYERS];
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unsigned int vps_num_reorder_pics[MAX_SUB_LAYERS];
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unsigned int vps_max_latency_increase[MAX_SUB_LAYERS];
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int vps_max_layer_id;
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int vps_num_layer_sets; ///< vps_num_layer_sets_minus1 + 1
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uint8_t vps_timing_info_present_flag;
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uint32_t vps_num_units_in_tick;
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uint32_t vps_time_scale;
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uint8_t vps_poc_proportional_to_timing_flag;
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int vps_num_ticks_poc_diff_one; ///< vps_num_ticks_poc_diff_one_minus1 + 1
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int vps_num_hrd_parameters;
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} VPS;
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typedef struct ScalingList {
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// This is a little wasteful, since sizeID 0 only needs 8 coeffs, and size ID 3 only has 2 arrays, not 6.
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uint8_t sl[4][6][64];
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uint8_t sl_dc[2][6];
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} ScalingList;
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typedef struct HEVCSPS {
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int vps_id;
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int chroma_format_idc;
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uint8_t separate_colour_plane_flag;
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///< output (i.e. cropped) values
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int output_width, output_height;
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HEVCWindow output_window;
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HEVCWindow pic_conf_win;
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int bit_depth;
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int pixel_shift;
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enum AVPixelFormat pix_fmt;
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unsigned int log2_max_poc_lsb;
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int pcm_enabled_flag;
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int max_sub_layers;
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struct {
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int max_dec_pic_buffering;
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int num_reorder_pics;
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int max_latency_increase;
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} temporal_layer[MAX_SUB_LAYERS];
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VUI vui;
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PTL ptl;
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uint8_t scaling_list_enable_flag;
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ScalingList scaling_list;
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unsigned int nb_st_rps;
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ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT];
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uint8_t amp_enabled_flag;
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uint8_t sao_enabled;
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uint8_t long_term_ref_pics_present_flag;
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uint16_t lt_ref_pic_poc_lsb_sps[32];
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uint8_t used_by_curr_pic_lt_sps_flag[32];
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uint8_t num_long_term_ref_pics_sps;
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struct {
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uint8_t bit_depth;
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uint8_t bit_depth_chroma;
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unsigned int log2_min_pcm_cb_size;
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unsigned int log2_max_pcm_cb_size;
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uint8_t loop_filter_disable_flag;
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} pcm;
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uint8_t sps_temporal_mvp_enabled_flag;
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uint8_t sps_strong_intra_smoothing_enable_flag;
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unsigned int log2_min_cb_size;
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unsigned int log2_diff_max_min_coding_block_size;
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unsigned int log2_min_tb_size;
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unsigned int log2_max_trafo_size;
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unsigned int log2_ctb_size;
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unsigned int log2_min_pu_size;
|
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int max_transform_hierarchy_depth_inter;
|
||||
int max_transform_hierarchy_depth_intra;
|
||||
|
||||
///< coded frame dimension in various units
|
||||
int width;
|
||||
int height;
|
||||
int ctb_width;
|
||||
int ctb_height;
|
||||
int ctb_size;
|
||||
int min_cb_width;
|
||||
int min_cb_height;
|
||||
int min_tb_width;
|
||||
int min_tb_height;
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||||
int min_pu_width;
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int min_pu_height;
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||||
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int hshift[3];
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int vshift[3];
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||||
|
||||
int qp_bd_offset;
|
||||
} HEVCSPS;
|
||||
|
||||
typedef struct HEVCPPS {
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int sps_id; ///< seq_parameter_set_id
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||||
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uint8_t sign_data_hiding_flag;
|
||||
|
||||
uint8_t cabac_init_present_flag;
|
||||
|
||||
int num_ref_idx_l0_default_active; ///< num_ref_idx_l0_default_active_minus1 + 1
|
||||
int num_ref_idx_l1_default_active; ///< num_ref_idx_l1_default_active_minus1 + 1
|
||||
int pic_init_qp_minus26;
|
||||
|
||||
uint8_t constrained_intra_pred_flag;
|
||||
uint8_t transform_skip_enabled_flag;
|
||||
|
||||
uint8_t cu_qp_delta_enabled_flag;
|
||||
int diff_cu_qp_delta_depth;
|
||||
|
||||
int cb_qp_offset;
|
||||
int cr_qp_offset;
|
||||
uint8_t pic_slice_level_chroma_qp_offsets_present_flag;
|
||||
uint8_t weighted_pred_flag;
|
||||
uint8_t weighted_bipred_flag;
|
||||
uint8_t output_flag_present_flag;
|
||||
uint8_t transquant_bypass_enable_flag;
|
||||
|
||||
uint8_t dependent_slice_segments_enabled_flag;
|
||||
uint8_t tiles_enabled_flag;
|
||||
uint8_t entropy_coding_sync_enabled_flag;
|
||||
|
||||
int num_tile_columns; ///< num_tile_columns_minus1 + 1
|
||||
int num_tile_rows; ///< num_tile_rows_minus1 + 1
|
||||
uint8_t uniform_spacing_flag;
|
||||
uint8_t loop_filter_across_tiles_enabled_flag;
|
||||
|
||||
uint8_t seq_loop_filter_across_slices_enabled_flag;
|
||||
|
||||
uint8_t deblocking_filter_control_present_flag;
|
||||
uint8_t deblocking_filter_override_enabled_flag;
|
||||
uint8_t disable_dbf;
|
||||
int beta_offset; ///< beta_offset_div2 * 2
|
||||
int tc_offset; ///< tc_offset_div2 * 2
|
||||
|
||||
int pps_scaling_list_data_present_flag;
|
||||
ScalingList scaling_list;
|
||||
|
||||
uint8_t lists_modification_present_flag;
|
||||
int log2_parallel_merge_level; ///< log2_parallel_merge_level_minus2 + 2
|
||||
int num_extra_slice_header_bits;
|
||||
uint8_t slice_header_extension_present_flag;
|
||||
|
||||
uint8_t pps_extension_flag;
|
||||
uint8_t pps_extension_data_flag;
|
||||
|
||||
// Inferred parameters
|
||||
int *column_width; ///< ColumnWidth
|
||||
int *row_height; ///< RowHeight
|
||||
int *col_bd; ///< ColBd
|
||||
int *row_bd; ///< RowBd
|
||||
int *col_idxX;
|
||||
|
||||
int *ctb_addr_rs_to_ts; ///< CtbAddrRSToTS
|
||||
int *ctb_addr_ts_to_rs; ///< CtbAddrTSToRS
|
||||
int *tile_id; ///< TileId
|
||||
int *tile_pos_rs; ///< TilePosRS
|
||||
int *min_cb_addr_zs; ///< MinCbAddrZS
|
||||
int *min_tb_addr_zs; ///< MinTbAddrZS
|
||||
} HEVCPPS;
|
||||
|
||||
typedef struct SliceHeader {
|
||||
int pps_id;
|
||||
|
||||
///< address (in raster order) of the first block in the current slice segment
|
||||
unsigned int slice_segment_addr;
|
||||
///< address (in raster order) of the first block in the current slice
|
||||
unsigned int slice_addr;
|
||||
|
||||
enum SliceType slice_type;
|
||||
|
||||
int pic_order_cnt_lsb;
|
||||
|
||||
uint8_t first_slice_in_pic_flag;
|
||||
uint8_t dependent_slice_segment_flag;
|
||||
uint8_t pic_output_flag;
|
||||
uint8_t colour_plane_id;
|
||||
|
||||
///< RPS coded in the slice header itself is stored here
|
||||
ShortTermRPS slice_rps;
|
||||
const ShortTermRPS *short_term_rps;
|
||||
LongTermRPS long_term_rps;
|
||||
unsigned int list_entry_lx[2][32];
|
||||
|
||||
uint8_t rpl_modification_flag[2];
|
||||
uint8_t no_output_of_prior_pics_flag;
|
||||
uint8_t slice_temporal_mvp_enabled_flag;
|
||||
|
||||
unsigned int nb_refs[2];
|
||||
|
||||
uint8_t slice_sample_adaptive_offset_flag[3];
|
||||
uint8_t mvd_l1_zero_flag;
|
||||
|
||||
uint8_t cabac_init_flag;
|
||||
uint8_t disable_deblocking_filter_flag; ///< slice_header_disable_deblocking_filter_flag
|
||||
uint8_t slice_loop_filter_across_slices_enabled_flag;
|
||||
uint8_t collocated_list;
|
||||
|
||||
unsigned int collocated_ref_idx;
|
||||
|
||||
int slice_qp_delta;
|
||||
int slice_cb_qp_offset;
|
||||
int slice_cr_qp_offset;
|
||||
|
||||
int beta_offset; ///< beta_offset_div2 * 2
|
||||
int tc_offset; ///< tc_offset_div2 * 2
|
||||
|
||||
int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
|
||||
|
||||
|
||||
int *entry_point_offset;
|
||||
int * offset;
|
||||
int * size;
|
||||
int num_entry_point_offsets;
|
||||
|
||||
int8_t slice_qp;
|
||||
|
||||
uint8_t luma_log2_weight_denom;
|
||||
int16_t chroma_log2_weight_denom;
|
||||
|
||||
int16_t luma_weight_l0[16];
|
||||
int16_t chroma_weight_l0[16][2];
|
||||
int16_t chroma_weight_l1[16][2];
|
||||
int16_t luma_weight_l1[16];
|
||||
|
||||
int16_t luma_offset_l0[16];
|
||||
int16_t chroma_offset_l0[16][2];
|
||||
|
||||
int16_t luma_offset_l1[16];
|
||||
int16_t chroma_offset_l1[16][2];
|
||||
|
||||
int slice_ctb_addr_rs;
|
||||
} SliceHeader;
|
||||
|
||||
typedef struct CodingTree {
|
||||
int depth; ///< ctDepth
|
||||
} CodingTree;
|
||||
|
||||
typedef struct CodingUnit {
|
||||
int x;
|
||||
int y;
|
||||
|
||||
enum PredMode pred_mode; ///< PredMode
|
||||
enum PartMode part_mode; ///< PartMode
|
||||
|
||||
uint8_t rqt_root_cbf;
|
||||
|
||||
uint8_t pcm_flag;
|
||||
|
||||
// Inferred parameters
|
||||
uint8_t intra_split_flag; ///< IntraSplitFlag
|
||||
uint8_t max_trafo_depth; ///< MaxTrafoDepth
|
||||
uint8_t cu_transquant_bypass_flag;
|
||||
} CodingUnit;
|
||||
|
||||
typedef struct Mv {
|
||||
int16_t x; ///< horizontal component of motion vector
|
||||
int16_t y; ///< vertical component of motion vector
|
||||
} Mv;
|
||||
|
||||
typedef struct MvField {
|
||||
Mv mv[2];
|
||||
int8_t ref_idx[2];
|
||||
int8_t pred_flag[2];
|
||||
uint8_t is_intra;
|
||||
} MvField;
|
||||
|
||||
typedef struct NeighbourAvailable {
|
||||
int cand_bottom_left;
|
||||
int cand_left;
|
||||
int cand_up;
|
||||
int cand_up_left;
|
||||
int cand_up_right;
|
||||
int cand_up_right_sap;
|
||||
} NeighbourAvailable;
|
||||
|
||||
typedef struct PredictionUnit {
|
||||
int mpm_idx;
|
||||
int rem_intra_luma_pred_mode;
|
||||
uint8_t intra_pred_mode[4];
|
||||
Mv mvd;
|
||||
uint8_t merge_flag;
|
||||
uint8_t intra_pred_mode_c;
|
||||
} PredictionUnit;
|
||||
|
||||
typedef struct TransformTree {
|
||||
uint8_t cbf_cb[MAX_TRANSFORM_DEPTH][MAX_CU_SIZE * MAX_CU_SIZE];
|
||||
uint8_t cbf_cr[MAX_TRANSFORM_DEPTH][MAX_CU_SIZE * MAX_CU_SIZE];
|
||||
uint8_t cbf_luma;
|
||||
|
||||
// Inferred parameters
|
||||
uint8_t inter_split_flag;
|
||||
} TransformTree;
|
||||
|
||||
typedef struct TransformUnit {
|
||||
int cu_qp_delta;
|
||||
|
||||
// Inferred parameters;
|
||||
int cur_intra_pred_mode;
|
||||
uint8_t is_cu_qp_delta_coded;
|
||||
} TransformUnit;
|
||||
|
||||
typedef struct SAOParams {
|
||||
int offset_abs[3][4]; ///< sao_offset_abs
|
||||
int offset_sign[3][4]; ///< sao_offset_sign
|
||||
|
||||
int band_position[3]; ///< sao_band_position
|
||||
|
||||
int eo_class[3]; ///< sao_eo_class
|
||||
|
||||
int offset_val[3][5]; ///<SaoOffsetVal
|
||||
|
||||
uint8_t type_idx[3]; ///< sao_type_idx
|
||||
} SAOParams;
|
||||
|
||||
typedef struct DBParams {
|
||||
int beta_offset;
|
||||
int tc_offset;
|
||||
} DBParams;
|
||||
|
||||
#define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
|
||||
#define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
|
||||
#define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
|
||||
|
||||
typedef struct HEVCFrame {
|
||||
AVFrame *frame;
|
||||
ThreadFrame tf;
|
||||
MvField *tab_mvf;
|
||||
RefPicList *refPicList;
|
||||
RefPicListTab **rpl_tab;
|
||||
int ctb_count;
|
||||
int poc;
|
||||
struct HEVCFrame *collocated_ref;
|
||||
|
||||
HEVCWindow window;
|
||||
|
||||
AVBufferRef *tab_mvf_buf;
|
||||
AVBufferRef *rpl_tab_buf;
|
||||
AVBufferRef *rpl_buf;
|
||||
|
||||
/**
|
||||
* A sequence counter, so that old frames are output first
|
||||
* after a POC reset
|
||||
*/
|
||||
uint16_t sequence;
|
||||
|
||||
/**
|
||||
* A combination of HEVC_FRAME_FLAG_*
|
||||
*/
|
||||
uint8_t flags;
|
||||
} HEVCFrame;
|
||||
|
||||
typedef struct HEVCNAL {
|
||||
uint8_t *rbsp_buffer;
|
||||
int rbsp_buffer_size;
|
||||
|
||||
int size;
|
||||
const uint8_t *data;
|
||||
} HEVCNAL;
|
||||
|
||||
typedef struct HEVCLocalContext {
|
||||
DECLARE_ALIGNED(16, int16_t, mc_buffer[(MAX_PB_SIZE + 7) * MAX_PB_SIZE]);
|
||||
uint8_t cabac_state[HEVC_CONTEXTS];
|
||||
|
||||
uint8_t first_qp_group;
|
||||
|
||||
GetBitContext gb;
|
||||
CABACContext cc;
|
||||
TransformTree tt;
|
||||
|
||||
int8_t qp_y;
|
||||
int8_t curr_qp_y;
|
||||
|
||||
TransformUnit tu;
|
||||
|
||||
uint8_t ctb_left_flag;
|
||||
uint8_t ctb_up_flag;
|
||||
uint8_t ctb_up_right_flag;
|
||||
uint8_t ctb_up_left_flag;
|
||||
int start_of_tiles_x;
|
||||
int end_of_tiles_x;
|
||||
int end_of_tiles_y;
|
||||
uint8_t *edge_emu_buffer;
|
||||
int edge_emu_buffer_size;
|
||||
CodingTree ct;
|
||||
CodingUnit cu;
|
||||
PredictionUnit pu;
|
||||
NeighbourAvailable na;
|
||||
|
||||
uint8_t slice_or_tiles_left_boundary;
|
||||
uint8_t slice_or_tiles_up_boundary;
|
||||
} HEVCLocalContext;
|
||||
|
||||
typedef struct HEVCContext {
|
||||
const AVClass *c; // needed by private avoptions
|
||||
AVCodecContext *avctx;
|
||||
|
||||
struct HEVCContext *sList[MAX_NB_THREADS];
|
||||
|
||||
HEVCLocalContext *HEVClcList[MAX_NB_THREADS];
|
||||
HEVCLocalContext *HEVClc;
|
||||
|
||||
uint8_t threads_type;
|
||||
uint8_t threads_number;
|
||||
|
||||
int width;
|
||||
int height;
|
||||
|
||||
uint8_t *cabac_state;
|
||||
|
||||
/** 1 if the independent slice segment header was successfully parsed */
|
||||
uint8_t slice_initialized;
|
||||
|
||||
AVFrame *frame;
|
||||
AVFrame *sao_frame;
|
||||
AVFrame *tmp_frame;
|
||||
AVFrame *output_frame;
|
||||
VPS *vps;
|
||||
const HEVCSPS *sps;
|
||||
HEVCPPS *pps;
|
||||
VPS *vps_list[MAX_VPS_COUNT];
|
||||
AVBufferRef *sps_list[MAX_SPS_COUNT];
|
||||
AVBufferRef *pps_list[MAX_PPS_COUNT];
|
||||
|
||||
AVBufferPool *tab_mvf_pool;
|
||||
AVBufferPool *rpl_tab_pool;
|
||||
|
||||
///< candidate references for the current frame
|
||||
RefPicList rps[5];
|
||||
|
||||
SliceHeader sh;
|
||||
SAOParams *sao;
|
||||
DBParams *deblock;
|
||||
enum NALUnitType nal_unit_type;
|
||||
int temporal_id; ///< temporal_id_plus1 - 1
|
||||
HEVCFrame *ref;
|
||||
HEVCFrame DPB[32];
|
||||
int poc;
|
||||
int pocTid0;
|
||||
int slice_idx; ///< number of the slice being currently decoded
|
||||
int eos; ///< current packet contains an EOS/EOB NAL
|
||||
int max_ra;
|
||||
int bs_width;
|
||||
int bs_height;
|
||||
|
||||
int is_decoded;
|
||||
|
||||
HEVCPredContext hpc;
|
||||
HEVCDSPContext hevcdsp;
|
||||
VideoDSPContext vdsp;
|
||||
DSPContext dsp;
|
||||
int8_t *qp_y_tab;
|
||||
uint8_t *split_cu_flag;
|
||||
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;
|
||||
int wpp_err;
|
||||
int skipped_bytes;
|
||||
int *skipped_bytes_pos;
|
||||
int skipped_bytes_pos_size;
|
||||
|
||||
int *skipped_bytes_nal;
|
||||
int **skipped_bytes_pos_nal;
|
||||
int *skipped_bytes_pos_size_nal;
|
||||
|
||||
uint8_t *data;
|
||||
|
||||
HEVCNAL *nals;
|
||||
int nb_nals;
|
||||
int nals_allocated;
|
||||
|
||||
// for checking the frame checksums
|
||||
struct AVMD5 *md5_ctx;
|
||||
uint8_t md5[3][16];
|
||||
uint8_t is_md5;
|
||||
|
||||
int context_initialized;
|
||||
int is_nalff; ///< this flag is != 0 if bitstream is encapsulated
|
||||
///< as a format defined in 14496-15
|
||||
int strict_def_disp_win;
|
||||
|
||||
int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
|
||||
int nuh_layer_id;
|
||||
|
||||
} HEVCContext;
|
||||
|
||||
int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
|
||||
const HEVCSPS *sps, int is_slice_header);
|
||||
int ff_hevc_decode_nal_vps(HEVCContext *s);
|
||||
int ff_hevc_decode_nal_sps(HEVCContext *s);
|
||||
int ff_hevc_decode_nal_pps(HEVCContext *s);
|
||||
int ff_hevc_decode_nal_sei(HEVCContext *s);
|
||||
|
||||
int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
|
||||
HEVCNAL *nal);
|
||||
|
||||
/**
|
||||
* 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);
|
||||
|
||||
/**
|
||||
* Compute POC of the current frame and return it.
|
||||
*/
|
||||
int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb);
|
||||
|
||||
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);
|
||||
void 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_transform_skip_flag_decode(HEVCContext *s, int c_idx);
|
||||
|
||||
/**
|
||||
* Get the number of candidate references for the current frame.
|
||||
*/
|
||||
int ff_hevc_frame_nb_refs(HEVCContext *s);
|
||||
|
||||
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc);
|
||||
|
||||
/**
|
||||
* 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_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 xC, int yC, 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 slice_or_tiles_up_boundary, int slice_or_tiles_left_boundary);
|
||||
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s);
|
||||
int ff_hevc_cu_qp_delta_abs(HEVCContext *s);
|
||||
void ff_hevc_hls_filter(HEVCContext *s, int x, int y);
|
||||
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);
|
||||
|
||||
void ff_hevc_pps_free(HEVCPPS **ppps);
|
||||
|
||||
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];
|
||||
|
||||
extern const uint8_t ff_hevc_diag_scan4x4_x[16];
|
||||
extern const uint8_t ff_hevc_diag_scan4x4_y[16];
|
||||
extern const uint8_t ff_hevc_diag_scan8x8_x[64];
|
||||
extern const uint8_t ff_hevc_diag_scan8x8_y[64];
|
||||
|
||||
#endif // AVCODEC_HEVC_H
|
||||
Reference in New Issue
Block a user