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https://github.com/ultravideo/uvg266.git
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fb462b25ef
The transform skip flag in cu_info_t was stored under the intra substruct even though transform skip can be used for inter as well. This caused bitstream errors. Fixed by moving the flag out of the substruct.
563 lines
20 KiB
C
563 lines
20 KiB
C
#ifndef CU_H_
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#define CU_H_
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/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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/**
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* \ingroup DataStructures
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* \file
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* Coding Unit data structure and related functions.
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*/
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#include "global.h" // IWYU pragma: keep
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#include "image.h"
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#include "kvazaar.h"
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//Cu stuff
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//////////////////////////////////////////////////////////////////////////
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// CONSTANTS
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typedef enum {
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CU_NOTSET = 0,
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CU_INTRA = 1,
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CU_INTER = 2,
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CU_PCM = 3,
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} cu_type_t;
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typedef enum {
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SIZE_2Nx2N = 0,
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SIZE_2NxN = 1,
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SIZE_Nx2N = 2,
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SIZE_NxN = 3,
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SIZE_2NxnU = 4,
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SIZE_2NxnD = 5,
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SIZE_nLx2N = 6,
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SIZE_nRx2N = 7,
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} part_mode_t;
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extern const uint8_t kvz_part_mode_num_parts[];
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extern const uint8_t kvz_part_mode_offsets[][4][2];
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extern const uint8_t kvz_part_mode_sizes[][4][2];
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/**
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* \brief Get the x coordinate of a PU.
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*
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* \param part_mode partition mode of the containing CU
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* \param cu_width width of the containing CU
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* \param cu_x x coordinate of the containing CU
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* \param i number of the PU
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* \return location of the left edge of the PU
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*/
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#define PU_GET_X(part_mode, cu_width, cu_x, i) \
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((cu_x) + kvz_part_mode_offsets[(part_mode)][(i)][0] * (cu_width) / 4)
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/**
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* \brief Get the y coordinate of a PU.
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*
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* \param part_mode partition mode of the containing CU
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* \param cu_width width of the containing CU
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* \param cu_y y coordinate of the containing CU
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* \param i number of the PU
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* \return location of the top edge of the PU
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*/
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#define PU_GET_Y(part_mode, cu_width, cu_y, i) \
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((cu_y) + kvz_part_mode_offsets[(part_mode)][(i)][1] * (cu_width) / 4)
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/**
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* \brief Get the width of a PU.
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*
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* \param part_mode partition mode of the containing CU
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* \param cu_width width of the containing CU
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* \param i number of the PU
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* \return width of the PU
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*/
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#define PU_GET_W(part_mode, cu_width, i) \
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(kvz_part_mode_sizes[(part_mode)][(i)][0] * (cu_width) / 4)
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/**
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* \brief Get the height of a PU.
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*
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* \param part_mode partition mode of the containing CU
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* \param cu_width width of the containing CU
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* \param i number of the PU
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* \return height of the PU
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*/
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#define PU_GET_H(part_mode, cu_width, i) \
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(kvz_part_mode_sizes[(part_mode)][(i)][1] * (cu_width) / 4)
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//////////////////////////////////////////////////////////////////////////
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// TYPES
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typedef struct {
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int x;
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int y;
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} vector2d_t;
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/**
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* \brief Struct for CU info
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*/
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typedef struct
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{
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uint8_t type : 2; //!< \brief block type, one of cu_type_t values
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uint8_t depth : 3; //!< \brief depth / size of this block
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uint8_t part_size : 3; //!< \brief partition mode, one of part_mode_t values
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uint8_t tr_depth : 3; //!< \brief transform depth
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uint8_t skipped : 1; //!< \brief flag to indicate this block is skipped
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uint8_t merged : 1; //!< \brief flag to indicate this block is merged
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uint8_t merge_idx : 3; //!< \brief merge index
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uint8_t tr_skip : 1; //!< \brief transform skip flag
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uint16_t cbf;
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/**
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* \brief QP used for the CU.
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*
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* This is required for deblocking when per-LCU QPs are enabled.
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*/
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uint8_t qp;
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union {
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struct {
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int8_t mode;
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int8_t mode_chroma;
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#if KVZ_SEL_ENCRYPTION
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int8_t mode_encry;
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#endif
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} intra;
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struct {
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int16_t mv[2][2]; // \brief Motion vectors for L0 and L1
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uint8_t mv_ref[2]; // \brief Index of the L0 and L1 array.
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uint8_t mv_cand0 : 3; // \brief selected MV candidate
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uint8_t mv_cand1 : 3; // \brief selected MV candidate
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uint8_t mv_dir : 2; // \brief Probably describes if mv_ref is L0, L1 or both (bi-pred)
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} inter;
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};
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} cu_info_t;
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#define CU_GET_MV_CAND(cu_info_ptr, reflist) \
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(((reflist) == 0) ? (cu_info_ptr)->inter.mv_cand0 : (cu_info_ptr)->inter.mv_cand1)
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#define CU_SET_MV_CAND(cu_info_ptr, reflist, value) \
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do { \
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if ((reflist) == 0) { \
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(cu_info_ptr)->inter.mv_cand0 = (value); \
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} else { \
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(cu_info_ptr)->inter.mv_cand1 = (value); \
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} \
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} while (0)
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#define CHECKPOINT_CU(prefix_str, cu) CHECKPOINT(prefix_str " type=%d depth=%d part_size=%d tr_depth=%d coded=%d " \
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"skipped=%d merged=%d merge_idx=%d cbf.y=%d cbf.u=%d cbf.v=%d " \
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"intra[0].cost=%u intra[0].bitcost=%u intra[0].mode=%d intra[0].mode_chroma=%d intra[0].tr_skip=%d " \
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"intra[1].cost=%u intra[1].bitcost=%u intra[1].mode=%d intra[1].mode_chroma=%d intra[1].tr_skip=%d " \
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"intra[2].cost=%u intra[2].bitcost=%u intra[2].mode=%d intra[2].mode_chroma=%d intra[2].tr_skip=%d " \
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"intra[3].cost=%u intra[3].bitcost=%u intra[3].mode=%d intra[3].mode_chroma=%d intra[3].tr_skip=%d " \
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"inter.cost=%u inter.bitcost=%u inter.mv[0]=%d inter.mv[1]=%d inter.mvd[0]=%d inter.mvd[1]=%d " \
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"inter.mv_cand=%d inter.mv_ref=%d inter.mv_dir=%d inter.mode=%d" \
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, (cu).type, (cu).depth, (cu).part_size, (cu).tr_depth, (cu).coded, \
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(cu).skipped, (cu).merged, (cu).merge_idx, (cu).cbf.y, (cu).cbf.u, (cu).cbf.v, \
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(cu).intra[0].cost, (cu).intra[0].bitcost, (cu).intra[0].mode, (cu).intra[0].mode_chroma, (cu).intra[0].tr_skip, \
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(cu).intra[1].cost, (cu).intra[1].bitcost, (cu).intra[1].mode, (cu).intra[1].mode_chroma, (cu).intra[1].tr_skip, \
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(cu).intra[2].cost, (cu).intra[2].bitcost, (cu).intra[2].mode, (cu).intra[2].mode_chroma, (cu).intra[2].tr_skip, \
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(cu).intra[3].cost, (cu).intra[3].bitcost, (cu).intra[3].mode, (cu).intra[3].mode_chroma, (cu).intra[3].tr_skip, \
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(cu).inter.cost, (cu).inter.bitcost, (cu).inter.mv[0], (cu).inter.mv[1], (cu).inter.mvd[0], (cu).inter.mvd[1], \
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(cu).inter.mv_cand, (cu).inter.mv_ref, (cu).inter.mv_dir, (cu).inter.mode)
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typedef struct cu_array_t {
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struct cu_array_t *base; //!< \brief base cu array or NULL
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cu_info_t *data; //!< \brief cu array
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int32_t width; //!< \brief width of the array in pixels
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int32_t height; //!< \brief height of the array in pixels
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int32_t stride; //!< \brief stride of the array in pixels
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int32_t refcount; //!< \brief number of references to this cu_array
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} cu_array_t;
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cu_info_t* kvz_cu_array_at(cu_array_t *cua, unsigned x_px, unsigned y_px);
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const cu_info_t* kvz_cu_array_at_const(const cu_array_t *cua, unsigned x_px, unsigned y_px);
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cu_array_t * kvz_cu_array_alloc(const int width, const int height);
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cu_array_t * kvz_cu_subarray(cu_array_t *base,
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const unsigned x_offset,
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const unsigned y_offset,
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const unsigned width,
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const unsigned height);
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void kvz_cu_array_free(cu_array_t **cua_ptr);
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cu_array_t * kvz_cu_array_copy_ref(cu_array_t* cua);
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/**
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* \brief Return the 7 lowest-order bits of the pixel coordinate.
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*
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* The 7 lower-order bits correspond to the distance from the left or top edge
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* of the containing LCU.
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*/
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#define SUB_SCU(xy) ((xy) & (LCU_WIDTH - 1))
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#define LCU_CU_WIDTH 16
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#define LCU_T_CU_WIDTH (LCU_CU_WIDTH + 1)
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#define LCU_CU_OFFSET (LCU_T_CU_WIDTH + 1)
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#define SCU_WIDTH (LCU_WIDTH / LCU_CU_WIDTH)
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// Width from top left of the LCU, so +1 for ref buffer size.
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#define LCU_REF_PX_WIDTH (LCU_WIDTH + LCU_WIDTH / 2)
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/**
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* Top and left intra reference pixels for LCU.
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* - Intra needs maximum of 32 to the right and down from LCU border.
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* - First pixel is the top-left pixel.
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*/
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typedef struct {
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kvz_pixel y[LCU_REF_PX_WIDTH + 1];
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kvz_pixel u[LCU_REF_PX_WIDTH / 2 + 1];
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kvz_pixel v[LCU_REF_PX_WIDTH / 2 + 1];
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} lcu_ref_px_t;
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/**
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* \brief Coefficients of an LCU
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*
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* Coefficients inside a single TU are stored in row-major order. TUs
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* themselves are stored in a zig-zag order, so that the coefficients of
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* a TU are contiguous in memory.
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*
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* Example storage order for a 32x32 pixel TU tree
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*
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\verbatim
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+------+------+------+------+---------------------------+
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| 0 | 16 | 64 | 80 | |
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| - | - | - | - | |
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| 15 | 31 | 79 | 95 | |
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+------+------+------+------+ |
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| 32 | 48 | 96 | 112 | |
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| - | - | - | - | |
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| 47 | 63 | 111 | 127 | |
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+------+------+------+------+ 256 - 511 |
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| 128 | 144 | 192 | 208 | |
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| - | - | - | - | |
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| 143 | 159 | 207 | 223 | |
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+------+------+------+------+ |
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| 160 | 176 | 224 | 240 | |
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| - | - | - | - | |
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| 175 | 191 | 239 | 255 | |
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+------+------+------+------+-------------+------+------+
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| 512 | 528 | | | 832 | 848 |
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| - | - | | | - | - |
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| 527 | 543 | | | 847 | 863 |
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+------+------+ 576 - 639 | 768 - 831 +------+------+
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| 544 | 560 | | | 864 | 880 |
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| - | - | | | - | - |
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| 559 | 575 | | | 879 | 895 |
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+------+------+-------------+-------------+------+------+
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| | | | |
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| 640 - 703 | 704 - 767 | 896 - 959 | 960 - 1023 |
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+-------------+-------------+-------------+-------------+
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\endverbatim
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*/
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typedef ALIGNED(8) struct {
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coeff_t y[LCU_LUMA_SIZE];
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coeff_t u[LCU_CHROMA_SIZE];
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coeff_t v[LCU_CHROMA_SIZE];
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} lcu_coeff_t;
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typedef struct {
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lcu_ref_px_t top_ref; //!< Reference pixels from adjacent LCUs.
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lcu_ref_px_t left_ref; //!< Reference pixels from adjacent LCUs.
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lcu_yuv_t ref; //!< LCU reference pixels
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lcu_yuv_t rec; //!< LCU reconstructed pixels
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/**
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* We get the coefficients as a byproduct of doing reconstruction during the
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* search. It might be more efficient to recalculate the final coefficients
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* once we know the final modes rather than copying them.
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*/
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lcu_coeff_t coeff; //!< LCU coefficients
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/**
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* A 17x17 CU array, plus the top right reference CU.
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* - Top reference CUs at indices [0,16] (row 0).
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* - Left reference CUs at indices 17*n where n is in [0,16] (column 0).
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* - All CUs of this LCU at indices 17*y + x where x,y are in [1,16].
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* - Top right reference CU at the last index.
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*
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* The figure below shows how the indices map to CU locations.
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*
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\verbatim
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.-- left reference CUs
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v
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0 | 1 2 . . . 16 | 289 <-- top reference CUs
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-----+--------------------+----
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17 | 18 19 . . . 33 |
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34 | 35 36 . . . 50 <-- this LCU
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. | . . . . |
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. | . . . . |
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. | . . . . |
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272 | 273 274 . . . 288 |
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-----+--------------------+----
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\endverbatim
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*/
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cu_info_t cu[LCU_T_CU_WIDTH * LCU_T_CU_WIDTH + 1];
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} lcu_t;
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void kvz_cu_array_copy_from_lcu(cu_array_t* dst, int dst_x, int dst_y, const lcu_t *src);
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/**
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* \brief Return pointer to the top right reference CU.
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*/
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#define LCU_GET_TOP_RIGHT_CU(lcu) \
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(&(lcu)->cu[LCU_T_CU_WIDTH * LCU_T_CU_WIDTH])
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/**
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* \brief Return pointer to the CU containing a given pixel.
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*
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* \param lcu pointer to the containing LCU
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* \param x_px x-coordinate relative to the upper left corner of the LCU
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* \param y_px y-coordinate relative to the upper left corner of the LCU
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* \return pointer to the CU at coordinates (x_px, y_px)
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*/
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#define LCU_GET_CU_AT_PX(lcu, x_px, y_px) \
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(&(lcu)->cu[LCU_CU_OFFSET + ((x_px) >> 2) + ((y_px) >> 2) * LCU_T_CU_WIDTH])
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/**
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* \brief Copy a part of a coeff_t array to another.
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*
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* \param width Size of the block to be copied in pixels.
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* \param src Pointer to the source array.
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* \param dest Pointer to the destination array.
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*/
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static INLINE void copy_coeffs(const coeff_t *__restrict src,
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coeff_t *__restrict dest,
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size_t width)
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{
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memcpy(dest, src, width * width * sizeof(coeff_t));
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}
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/**
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* \brief Convert (x, y) coordinates to z-order index.
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*
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* Only works for widths and coordinates divisible by four. Width must be
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* a power of two in range [4..64].
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*
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* \param width size of the containing block
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* \param x x-coordinate
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* \param y y-coordinate
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* \return index in z-order
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*/
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static INLINE unsigned xy_to_zorder(unsigned width, unsigned x, unsigned y)
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{
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assert(width % 4 == 0 && width >= 4 && width <= 64);
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assert(x % 4 == 0 && x < width);
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assert(y % 4 == 0 && y < width);
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unsigned result = 0;
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switch (width) {
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case 64:
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result += x / 32 * (32*32);
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result += y / 32 * (64*32);
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x %= 32;
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y %= 32;
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// fallthrough
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case 32:
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result += x / 16 * (16*16);
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result += y / 16 * (32*16);
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x %= 16;
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y %= 16;
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// fallthrough
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case 16:
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result += x / 8 * ( 8*8);
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result += y / 8 * (16*8);
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x %= 8;
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y %= 8;
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// fallthrough
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case 8:
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result += x / 4 * (4*4);
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result += y / 4 * (8*4);
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// fallthrough
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case 4:
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break;
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}
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return result;
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}
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#define CHECKPOINT_LCU(prefix_str, lcu) do { \
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CHECKPOINT_CU(prefix_str " cu[0]", (lcu).cu[0]); \
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CHECKPOINT_CU(prefix_str " cu[1]", (lcu).cu[1]); \
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CHECKPOINT_CU(prefix_str " cu[2]", (lcu).cu[2]); \
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CHECKPOINT_CU(prefix_str " cu[3]", (lcu).cu[3]); \
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CHECKPOINT_CU(prefix_str " cu[4]", (lcu).cu[4]); \
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CHECKPOINT_CU(prefix_str " cu[5]", (lcu).cu[5]); \
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CHECKPOINT_CU(prefix_str " cu[6]", (lcu).cu[6]); \
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CHECKPOINT_CU(prefix_str " cu[7]", (lcu).cu[7]); \
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CHECKPOINT_CU(prefix_str " cu[8]", (lcu).cu[8]); \
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CHECKPOINT_CU(prefix_str " cu[9]", (lcu).cu[9]); \
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CHECKPOINT_CU(prefix_str " cu[10]", (lcu).cu[10]); \
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CHECKPOINT_CU(prefix_str " cu[11]", (lcu).cu[11]); \
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CHECKPOINT_CU(prefix_str " cu[12]", (lcu).cu[12]); \
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CHECKPOINT_CU(prefix_str " cu[13]", (lcu).cu[13]); \
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CHECKPOINT_CU(prefix_str " cu[14]", (lcu).cu[14]); \
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CHECKPOINT_CU(prefix_str " cu[15]", (lcu).cu[15]); \
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CHECKPOINT_CU(prefix_str " cu[16]", (lcu).cu[16]); \
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CHECKPOINT_CU(prefix_str " cu[17]", (lcu).cu[17]); \
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CHECKPOINT_CU(prefix_str " cu[18]", (lcu).cu[18]); \
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CHECKPOINT_CU(prefix_str " cu[19]", (lcu).cu[19]); \
|
|
CHECKPOINT_CU(prefix_str " cu[20]", (lcu).cu[20]); \
|
|
CHECKPOINT_CU(prefix_str " cu[21]", (lcu).cu[21]); \
|
|
CHECKPOINT_CU(prefix_str " cu[22]", (lcu).cu[22]); \
|
|
CHECKPOINT_CU(prefix_str " cu[23]", (lcu).cu[23]); \
|
|
CHECKPOINT_CU(prefix_str " cu[24]", (lcu).cu[24]); \
|
|
CHECKPOINT_CU(prefix_str " cu[25]", (lcu).cu[25]); \
|
|
CHECKPOINT_CU(prefix_str " cu[26]", (lcu).cu[26]); \
|
|
CHECKPOINT_CU(prefix_str " cu[27]", (lcu).cu[27]); \
|
|
CHECKPOINT_CU(prefix_str " cu[28]", (lcu).cu[28]); \
|
|
CHECKPOINT_CU(prefix_str " cu[29]", (lcu).cu[29]); \
|
|
CHECKPOINT_CU(prefix_str " cu[30]", (lcu).cu[30]); \
|
|
CHECKPOINT_CU(prefix_str " cu[31]", (lcu).cu[31]); \
|
|
CHECKPOINT_CU(prefix_str " cu[32]", (lcu).cu[32]); \
|
|
CHECKPOINT_CU(prefix_str " cu[33]", (lcu).cu[33]); \
|
|
CHECKPOINT_CU(prefix_str " cu[34]", (lcu).cu[34]); \
|
|
CHECKPOINT_CU(prefix_str " cu[35]", (lcu).cu[35]); \
|
|
CHECKPOINT_CU(prefix_str " cu[36]", (lcu).cu[36]); \
|
|
CHECKPOINT_CU(prefix_str " cu[37]", (lcu).cu[37]); \
|
|
CHECKPOINT_CU(prefix_str " cu[38]", (lcu).cu[38]); \
|
|
CHECKPOINT_CU(prefix_str " cu[39]", (lcu).cu[39]); \
|
|
CHECKPOINT_CU(prefix_str " cu[40]", (lcu).cu[40]); \
|
|
CHECKPOINT_CU(prefix_str " cu[41]", (lcu).cu[41]); \
|
|
CHECKPOINT_CU(prefix_str " cu[42]", (lcu).cu[42]); \
|
|
CHECKPOINT_CU(prefix_str " cu[43]", (lcu).cu[43]); \
|
|
CHECKPOINT_CU(prefix_str " cu[44]", (lcu).cu[44]); \
|
|
CHECKPOINT_CU(prefix_str " cu[45]", (lcu).cu[45]); \
|
|
CHECKPOINT_CU(prefix_str " cu[46]", (lcu).cu[46]); \
|
|
CHECKPOINT_CU(prefix_str " cu[47]", (lcu).cu[47]); \
|
|
CHECKPOINT_CU(prefix_str " cu[48]", (lcu).cu[48]); \
|
|
CHECKPOINT_CU(prefix_str " cu[49]", (lcu).cu[49]); \
|
|
CHECKPOINT_CU(prefix_str " cu[50]", (lcu).cu[50]); \
|
|
CHECKPOINT_CU(prefix_str " cu[51]", (lcu).cu[51]); \
|
|
CHECKPOINT_CU(prefix_str " cu[52]", (lcu).cu[52]); \
|
|
CHECKPOINT_CU(prefix_str " cu[53]", (lcu).cu[53]); \
|
|
CHECKPOINT_CU(prefix_str " cu[54]", (lcu).cu[54]); \
|
|
CHECKPOINT_CU(prefix_str " cu[55]", (lcu).cu[55]); \
|
|
CHECKPOINT_CU(prefix_str " cu[56]", (lcu).cu[56]); \
|
|
CHECKPOINT_CU(prefix_str " cu[57]", (lcu).cu[57]); \
|
|
CHECKPOINT_CU(prefix_str " cu[58]", (lcu).cu[58]); \
|
|
CHECKPOINT_CU(prefix_str " cu[59]", (lcu).cu[59]); \
|
|
CHECKPOINT_CU(prefix_str " cu[60]", (lcu).cu[60]); \
|
|
CHECKPOINT_CU(prefix_str " cu[61]", (lcu).cu[61]); \
|
|
CHECKPOINT_CU(prefix_str " cu[62]", (lcu).cu[62]); \
|
|
CHECKPOINT_CU(prefix_str " cu[63]", (lcu).cu[63]); \
|
|
CHECKPOINT_CU(prefix_str " cu[64]", (lcu).cu[64]); \
|
|
CHECKPOINT_CU(prefix_str " cu[65]", (lcu).cu[65]); \
|
|
CHECKPOINT_CU(prefix_str " cu[66]", (lcu).cu[66]); \
|
|
CHECKPOINT_CU(prefix_str " cu[67]", (lcu).cu[67]); \
|
|
CHECKPOINT_CU(prefix_str " cu[68]", (lcu).cu[68]); \
|
|
CHECKPOINT_CU(prefix_str " cu[69]", (lcu).cu[69]); \
|
|
CHECKPOINT_CU(prefix_str " cu[70]", (lcu).cu[70]); \
|
|
CHECKPOINT_CU(prefix_str " cu[71]", (lcu).cu[71]); \
|
|
CHECKPOINT_CU(prefix_str " cu[72]", (lcu).cu[72]); \
|
|
CHECKPOINT_CU(prefix_str " cu[73]", (lcu).cu[73]); \
|
|
CHECKPOINT_CU(prefix_str " cu[74]", (lcu).cu[74]); \
|
|
CHECKPOINT_CU(prefix_str " cu[75]", (lcu).cu[75]); \
|
|
CHECKPOINT_CU(prefix_str " cu[76]", (lcu).cu[76]); \
|
|
CHECKPOINT_CU(prefix_str " cu[77]", (lcu).cu[77]); \
|
|
CHECKPOINT_CU(prefix_str " cu[78]", (lcu).cu[78]); \
|
|
CHECKPOINT_CU(prefix_str " cu[79]", (lcu).cu[79]); \
|
|
CHECKPOINT_CU(prefix_str " cu[80]", (lcu).cu[80]); \
|
|
CHECKPOINT_CU(prefix_str " cu[81]", (lcu).cu[81]); \
|
|
} while(0)
|
|
|
|
|
|
#define NUM_CBF_DEPTHS 5
|
|
static const uint16_t cbf_masks[NUM_CBF_DEPTHS] = { 0x1f, 0x0f, 0x07, 0x03, 0x1 };
|
|
|
|
/**
|
|
* Check if CBF in a given level >= depth is true.
|
|
*/
|
|
static INLINE int cbf_is_set(uint16_t cbf, int depth, color_t plane)
|
|
{
|
|
return (cbf & (cbf_masks[depth] << (NUM_CBF_DEPTHS * plane))) != 0;
|
|
}
|
|
|
|
/**
|
|
* Check if CBF in a given level >= depth is true.
|
|
*/
|
|
static INLINE int cbf_is_set_any(uint16_t cbf, int depth)
|
|
{
|
|
return cbf_is_set(cbf, depth, COLOR_Y) ||
|
|
cbf_is_set(cbf, depth, COLOR_U) ||
|
|
cbf_is_set(cbf, depth, COLOR_V);
|
|
}
|
|
|
|
/**
|
|
* Set CBF in a level to true.
|
|
*/
|
|
static INLINE void cbf_set(uint16_t *cbf, int depth, color_t plane)
|
|
{
|
|
// Return value of the bit corresponding to the level.
|
|
*cbf |= (0x10 >> depth) << (NUM_CBF_DEPTHS * plane);
|
|
}
|
|
|
|
/**
|
|
* Set CBF in a level to true if it is set at a lower level in any of
|
|
* the child_cbfs.
|
|
*/
|
|
static INLINE void cbf_set_conditionally(uint16_t *cbf, uint16_t child_cbfs[3], int depth, color_t plane)
|
|
{
|
|
bool child_cbf_set = cbf_is_set(child_cbfs[0], depth + 1, plane) ||
|
|
cbf_is_set(child_cbfs[1], depth + 1, plane) ||
|
|
cbf_is_set(child_cbfs[2], depth + 1, plane);
|
|
if (child_cbf_set) {
|
|
cbf_set(cbf, depth, plane);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set CBF in a levels <= depth to false.
|
|
*/
|
|
static INLINE void cbf_clear(uint16_t *cbf, int depth, color_t plane)
|
|
{
|
|
*cbf &= ~(cbf_masks[depth] << (NUM_CBF_DEPTHS * plane));
|
|
}
|
|
|
|
/**
|
|
* Copy cbf flags.
|
|
*/
|
|
static INLINE void cbf_copy(uint16_t *cbf, uint16_t src, color_t plane)
|
|
{
|
|
cbf_clear(cbf, 0, plane);
|
|
*cbf |= src & (cbf_masks[0] << (NUM_CBF_DEPTHS * plane));
|
|
}
|
|
|
|
#define GET_SPLITDATA(CU,curDepth) ((CU)->depth > curDepth)
|
|
#define SET_SPLITDATA(CU,flag) { (CU)->split=(flag); }
|
|
|
|
#endif
|