1 /* 2 * QOI image format 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_QOI_H 22 #define AVCODEC_QOI_H 23 24 #define QOI_OP_INDEX 0x00 /* 00xxxxxx */ 25 #define QOI_OP_DIFF 0x40 /* 01xxxxxx */ 26 #define QOI_OP_LUMA 0x80 /* 10xxxxxx */ 27 #define QOI_OP_RUN 0xc0 /* 11xxxxxx */ 28 #define QOI_OP_RGB 0xfe /* 11111110 */ 29 #define QOI_OP_RGBA 0xff /* 11111111 */ 30 31 #define QOI_MASK_2 0xc0 /* 11000000 */ 32 33 #define QOI_COLOR_HASH(px) (px[0]*3 + px[1]*5 + px[2]*7 + px[3]*11) 34 35 #endif /* AVCODEC_QOI_H */ 36