jdatasrc.c File Reference

#include "jinclude.h"
#include "jpeglib.h"
#include "jerror.h"

Go to the source code of this file.

Macros
#define	INPUT_BUF_SIZE   4096 /* choose an efficiently fread'able size */

Typedefs
typedef my_source_mgr *	my_src_ptr

Functions
	init_source (j_decompress_ptr cinfo)
	fill_input_buffer (j_decompress_ptr cinfo)
	skip_input_data (j_decompress_ptr cinfo, long num_bytes)
	term_source (j_decompress_ptr cinfo)
	jpeg_stdio_src (j_decompress_ptr cinfo, FILE *infile)

Macro Definition Documentation

INPUT_BUF_SIZE

#define INPUT_BUF_SIZE   4096 /* choose an efficiently fread'able size */

Definition at line 35 of file jdatasrc.c.

Referenced by fill_input_buffer(), and jpeg_stdio_src().

Typedef Documentation

my_src_ptr

typedef my_source_mgr* my_src_ptr

Definition at line 33 of file jdatasrc.c.

Function Documentation

fill_input_buffer()

fill_input_buffer

(

j_decompress_ptr

cinfo

)

Definition at line 90 of file jdatasrc.c.

References ERREXIT, FALSE, INPUT_BUF_SIZE, JFREAD, JPEG_EOI, METHODDEF, TRUE, and WARNMS.

Referenced by jpeg_stdio_src(), and skip_input_data().

init_source()

init_source

(

j_decompress_ptr

cinfo

)

Definition at line 44 of file jdatasrc.c.

References TRUE.

Referenced by jpeg_stdio_src().

jpeg_stdio_src()

jpeg_stdio_src	(	j_decompress_ptr	cinfo,
		FILE *	infile
	)

Definition at line 182 of file jdatasrc.c.

References fill_input_buffer(), infile, init_source(), INPUT_BUF_SIZE, jpeg_resync_to_restart(), JPOOL_PERMANENT, NULL, SIZEOF, skip_input_data(), and term_source().

Referenced by read_JPEG_file().

skip_input_data()

skip_input_data	(	j_decompress_ptr	cinfo,
		long	num_bytes
	)

Definition at line 128 of file jdatasrc.c.

References fill_input_buffer(), if(), long(), METHODDEF, and num_bytes.

Referenced by jpeg_stdio_src().

term_source()

term_source

(

j_decompress_ptr

cinfo

)

Definition at line 169 of file jdatasrc.c.

References GLOBAL.

Referenced by jpeg_stdio_src().