1 /* 2 * copyright (c) 2006 Mans Rullgard 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 /** 22 * @file 23 * @ingroup lavu_adler32 24 * Public header for Adler-32 hash function implementation. 25 */ 26 module ffmpeg.libavutil.adler32; 27 28 import core.stdc.config; 29 30 extern (C) @nogc nothrow: 31 32 /** 33 * @defgroup lavu_adler32 Adler-32 34 * @ingroup lavu_hash 35 * Adler-32 hash function implementation. 36 * 37 * @{ 38 */ 39 40 alias AVAdler = c_ulong; 41 42 /** 43 * Calculate the Adler32 checksum of a buffer. 44 * 45 * Passing the return value to a subsequent av_adler32_update() call 46 * allows the checksum of multiple buffers to be calculated as though 47 * they were concatenated. 48 * 49 * @param adler initial checksum value 50 * @param buf pointer to input buffer 51 * @param len size of input buffer 52 * @return updated checksum 53 */ 54 AVAdler av_adler32_update (AVAdler adler, const(ubyte)* buf, uint len); 55 56 /** 57 * @} 58 */ 59 60 /* AVUTIL_ADLER32_H */