chromium/third_party/libjpeg_turbo/jstdhuff.c

/*
 * jstdhuff.c
 *
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1998, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright (C) 2013, 2022, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
 * This file contains routines to set the default Huffman tables, if they are
 * not already set.
 */

/*
 * Huffman table setup routines
 */

LOCAL(void)
add_huff_table(j_common_ptr cinfo, JHUFF_TBL **htblptr, const UINT8 *bits,
               const UINT8 *val)
/* Define a Huffman table */
{ … }


LOCAL(void)
std_huff_tables(j_common_ptr cinfo)
/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */
/* IMPORTANT: these are only valid for 8-bit data precision! */
{ … }