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44 lines
1.2 KiB
44 lines
1.2 KiB
2 years ago
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/*
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* H.265 video codec.
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* Copyright (c) 2013-2014 struktur AG, Dirk Farin <farin@struktur.de>
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*
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* This file is part of libde265.
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*
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* libde265 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* libde265 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
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* GNU 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 License
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* along with libde265. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DE265_SCAN_H
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#define DE265_SCAN_H
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#include <stdint.h>
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typedef struct {
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uint8_t x,y;
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} position;
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typedef struct {
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uint8_t subBlock;
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uint8_t scanPos;
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} scan_position;
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void init_scan_orders();
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/* scanIdx: 0 - diag, 1 - horiz, 2 - verti
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*/
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const position* get_scan_order(int log2BlockSize, int scanIdx);
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scan_position get_scan_position(int x,int y, int scanIdx, int log2BlkSize);
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#endif
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