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36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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/*
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* QOI image format
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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_QOI_H
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#define AVCODEC_QOI_H
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#define QOI_OP_INDEX 0x00 /* 00xxxxxx */
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#define QOI_OP_DIFF 0x40 /* 01xxxxxx */
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#define QOI_OP_LUMA 0x80 /* 10xxxxxx */
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#define QOI_OP_RUN 0xc0 /* 11xxxxxx */
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#define QOI_OP_RGB 0xfe /* 11111110 */
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#define QOI_OP_RGBA 0xff /* 11111111 */
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#define QOI_MASK_2 0xc0 /* 11000000 */
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#define QOI_COLOR_HASH(px) (px[0]*3 + px[1]*5 + px[2]*7 + px[3]*11)
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#endif /* AVCODEC_QOI_H */
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