jpeg.c File Reference

#include "config.h"
#include "jpeg.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gphoto2/gphoto2-file.h>

Include dependency graph for jpeg.c:

Macros
#define	nullpointerabort(pointer, name, val)   if (pointer==NULL) { printf(name " does not exist\n"); return val; }
#define	nullpointerabortvoid(pointer, name)   if (pointer==NULL) { printf(name " does not exist\n"); return; }
#define	CHECK_RESULT(result)    {int r = (result); if (r < 0) return (r);}
#define	countof(array)   (sizeof(array) / sizeof((array)[0]))

Functions
chunk *	gpi_jpeg_chunk_new (int length)
chunk *	gpi_jpeg_chunk_new_filled (int length, char *data)
void	gpi_jpeg_chunk_destroy (chunk *mychunk)
void	gpi_jpeg_chunk_print (chunk *mychunk)
char	gpi_jpeg_findff (int *location, chunk *picture)
char	gpi_jpeg_findactivemarker (char *id, int *location, chunk *picture)
char *	gpi_jpeg_markername (unsigned int c)
jpeg *	gpi_jpeg_new ()
void	gpi_jpeg_destroy (jpeg *myjpeg)
void	gpi_jpeg_add_marker (jpeg *myjpeg, chunk *picture, int start, int end)
void	gpi_jpeg_add_chunk (jpeg *myjpeg, chunk *source)
void	gpi_jpeg_parse (jpeg *myjpeg, chunk *picture)
void	gpi_jpeg_print (jpeg *myjpeg)
chunk *	gpi_jpeg_make_start ()
chunk *	gpi_jpeg_make_SOFC (int width, int height, char vh1, char vh2, char vh3, char q1, char q2, char q3)
chunk *	gpi_jpeg_makeSsSeAhAl (int huffset1, int huffset2, int huffset3)
void	gpi_jpeg_print_quantization_table (jpeg_quantization_table *table)
chunk *	gpi_jpeg_make_quantization (const jpeg_quantization_table *table, char number)
jpeg_quantization_table *	gpi_jpeg_quantization2table (chunk *qmarker)
jpeg *	gpi_jpeg_header (int width, int height, char vh1, char vh2, char vh3, char q1, char q2, char q3, const jpeg_quantization_table *quant1, const jpeg_quantization_table *quant2, char huffset1, char huffset2, char huffset3, chunk *huff1, chunk *huff2, chunk *huff3, chunk *huff4)
char	gpi_jpeg_write (CameraFile *file, const char *filename, jpeg *myjpeg)

Variables
const jpegmarker	JPEG_MARKERS []
const char *	JPEG_MARKERNAMES []

Detailed Description

Author

This code was written by Nathan Stenzel for gphoto

License

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Variable Documentation

const char* JPEG_MARKERNAMES[]

Initial value:

= {
    "Start",                "Comment",              "APPO",
    "Quantization table",   "Huffman table",        "SOFC0",
    "SsSeAhAl",             "End of image"
}

const jpegmarker JPEG_MARKERS[]

Initial value:

= {
    JPEG_START,             JPEG_COMMENT,           JPEG_APPO,
    JPEG_QUANTIZATION,      JPEG_HUFFMAN,           JPEG_SOFC0,
    JPEG_SSSEAHAL,          JPEG_EOI
}