| /* | |
| * copyright (c) 2006 Mans Rullgard | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * @ingroup lavu_adler32 | |
| * Public header for Adler-32 hash function implementation. | |
| */ | |
| /** | |
| * @defgroup lavu_adler32 Adler-32 | |
| * @ingroup lavu_hash | |
| * Adler-32 hash function implementation. | |
| * | |
| * @{ | |
| */ | |
| typedef uint32_t AVAdler; | |
| /** | |
| * Calculate the Adler32 checksum of a buffer. | |
| * | |
| * Passing the return value to a subsequent av_adler32_update() call | |
| * allows the checksum of multiple buffers to be calculated as though | |
| * they were concatenated. | |
| * | |
| * @param adler initial checksum value | |
| * @param buf pointer to input buffer | |
| * @param len size of input buffer | |
| * @return updated checksum | |
| */ | |
| AVAdler av_adler32_update(AVAdler adler, const uint8_t *buf, | |
| size_t len) av_pure; | |
| /** | |
| * @} | |
| */ | |