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