| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| /* |
| * a tiny jpeg decoder. |
| * |
| * written in August 2001 by Michael Schroeder <mls@suse.de> |
| */ |
| |
| #ifndef __JPEG_H |
| #define __JPEG_H |
| |
| #define ERR_NO_SOI 1 |
| #define ERR_NOT_8BIT 2 |
| #define ERR_HEIGHT_MISMATCH 3 |
| #define ERR_WIDTH_MISMATCH 4 |
| #define ERR_BAD_WIDTH_OR_HEIGHT 5 |
| #define ERR_TOO_MANY_COMPPS 6 |
| #define ERR_ILLEGAL_HV 7 |
| #define ERR_QUANT_TABLE_SELECTOR 8 |
| #define ERR_NOT_YCBCR_221111 9 |
| #define ERR_UNKNOWN_CID_IN_SCAN 10 |
| #define ERR_NOT_SEQUENTIAL_DCT 11 |
| #define ERR_WRONG_MARKER 12 |
| #define ERR_NO_EOI 13 |
| #define ERR_BAD_TABLES 14 |
| #define ERR_DEPTH_MISMATCH 15 |
| |
| struct jpeg_decdata { |
| int dcts[6 * 64 + 16]; |
| int out[64 * 6]; |
| int dquant[3][64]; |
| }; |
| |
| int jpeg_decode(unsigned char *, unsigned char *, int, int, int, |
| struct jpeg_decdata *); |
| void jpeg_fetch_size(unsigned char *buf, int *width, int *height); |
| int jpeg_check_size(unsigned char *, int, int); |
| |
| #endif |