jpeg.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	jpeg_decdata

Macros
#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

Functions
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)

Macro Definition Documentation

ERR_BAD_TABLES

#define ERR_BAD_TABLES   14

Definition at line 25 of file jpeg.h.

ERR_BAD_WIDTH_OR_HEIGHT

#define ERR_BAD_WIDTH_OR_HEIGHT   5

Definition at line 16 of file jpeg.h.

ERR_DEPTH_MISMATCH

#define ERR_DEPTH_MISMATCH   15

Definition at line 26 of file jpeg.h.

ERR_HEIGHT_MISMATCH

#define ERR_HEIGHT_MISMATCH   3

Definition at line 14 of file jpeg.h.

ERR_ILLEGAL_HV

#define ERR_ILLEGAL_HV   7

Definition at line 18 of file jpeg.h.

ERR_NO_EOI

#define ERR_NO_EOI   13

Definition at line 24 of file jpeg.h.

ERR_NO_SOI

#define ERR_NO_SOI   1

Definition at line 12 of file jpeg.h.

ERR_NOT_8BIT

#define ERR_NOT_8BIT   2

Definition at line 13 of file jpeg.h.

ERR_NOT_SEQUENTIAL_DCT

#define ERR_NOT_SEQUENTIAL_DCT   11

Definition at line 22 of file jpeg.h.

ERR_NOT_YCBCR_221111

#define ERR_NOT_YCBCR_221111   9

Definition at line 20 of file jpeg.h.

ERR_QUANT_TABLE_SELECTOR

#define ERR_QUANT_TABLE_SELECTOR   8

Definition at line 19 of file jpeg.h.

ERR_TOO_MANY_COMPPS

#define ERR_TOO_MANY_COMPPS   6

Definition at line 17 of file jpeg.h.

ERR_UNKNOWN_CID_IN_SCAN

#define ERR_UNKNOWN_CID_IN_SCAN   10

Definition at line 21 of file jpeg.h.

ERR_WIDTH_MISMATCH

#define ERR_WIDTH_MISMATCH   4

Definition at line 15 of file jpeg.h.

ERR_WRONG_MARKER

#define ERR_WRONG_MARKER   12

Definition at line 23 of file jpeg.h.

Function Documentation

jpeg_check_size()

int jpeg_check_size	(	unsigned char *	buf,
		int	width,
		int	height
	)

Definition at line 256 of file jpeg.c.

References buf, datap, getbyte(), getword(), height, M_SOF0, readtables(), and width.

Here is the call graph for this function:

jpeg_decode()

int jpeg_decode	(	unsigned char *	buf,
		unsigned char *	pic,
		int	width,
		int	height,
		int	depth,
		struct jpeg_decdata *	decdata
	)

Definition at line 269 of file jpeg.c.

References buf, scan::cid, comp::cid, col221111(), col221111_16(), col221111_32(), comps, datap, jpeg_decdata::dcts, dec_checkmarker(), dec_huffac, dec_huffdc, dec_initscans(), dec_readmarker(), decode_mcus(), hufftblp::dhuff, jpeg_decdata::dquant, jpginfo::dri, dscans, ERR_BAD_TABLES, ERR_BAD_WIDTH_OR_HEIGHT, ERR_DEPTH_MISMATCH, ERR_HEIGHT_MISMATCH, ERR_ILLEGAL_HV, ERR_NO_EOI, ERR_NO_SOI, ERR_NOT_8BIT, ERR_NOT_SEQUENTIAL_DCT, ERR_NOT_YCBCR_221111, ERR_QUANT_TABLE_SELECTOR, ERR_TOO_MANY_COMPPS, ERR_UNKNOWN_CID_IN_SCAN, ERR_WIDTH_MISMATCH, ERR_WRONG_MARKER, getbyte(), getword(), glob_in, height, scan::huac, scan::hudc, scan::hv, comp::hv, idct(), idctqtab(), IFIX, info, initcol(), m, M_EOI, M_SOF0, M_SOI, M_SOS, MAXCOMP, jpginfo::nc, scan::next, jpginfo::nm, jpginfo::ns, jpeg_decdata::out, quant, readtables(), setinput(), scan::tq, comp::tq, and width.

Referenced by set_bootsplash().

Here is the call graph for this function:

Here is the caller graph for this function:

jpeg_fetch_size()

void jpeg_fetch_size	(	unsigned char *	buf,
		int *	width,
		int *	height
	)

Definition at line 244 of file jpeg.c.

References buf, datap, getbyte(), getword(), height, M_SOF0, readtables(), and width.

Referenced by set_bootsplash().

Here is the call graph for this function:

Here is the caller graph for this function: