/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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