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View Code? Open in Web Editor NEWJBIG2 decoder library
Home Page: http://jbig2dec.sourceforge.net/
License: Other
jbig2dec's Introduction
jbig2dec is a decoder library and example utility implementing the JBIG2
bi-level image compression spec. Also known as ITU T.88 and ISO IEC
14492, and included by reference in Adobe's PDF version 1.4 and later.
The basic invocation is:
jbig2dec [-o <output file>] file.jbig2
It also supports separate 'global' and 'page' streams, generally
extracted from some embedded format:
jbig2dec [-o <output file>] <global_stream> <page_stream>
The program is only partially functional at this time, but should be
useful in some limited contexts. We welcome files that the decoder can't
handle, or renders incorrectly.
A set of example files is available from
http://www.ece.ubc.ca/spmg/jbig2/bitstreams/main.html
More information about this project and updated versions are available
from http://jbig2dec.sf.net/ Development source code is kept in a
subversion repository at svn.ghostscript.com.
The contact address for the project is <[email protected]>.
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jbig2dec's Issues
recipe for target 'jbig2_image_png.o' failed
gcc -DHAVE_CONFIG_H -I. -g -O2 -Wall -MT jbig2_image_png.o -MD -MP -MF .deps/jbig2_image_png.Tpo -c -o jbig2_image_png.o jbig2_image_png.c
jbig2_image_png.c: In function ‘jbig2_png_write_data’:
jbig2_image_png.c:36:56: error: dereferencing pointer to incomplete type ‘png_struct {aka struct png_struct_def}’
check = fwrite(data, 1, length, (png_FILE_p)png_ptr->io_ptr);
^
jbig2_image_png.c: In function ‘jbig2_png_flush’:
jbig2_image_png.c:46:26: warning: implicit declaration of function ‘CVT_PTR’ [-Wimplicit-function-declaration]
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
^
Makefile:809: recipe for target 'jbig2_image_png.o' failed
make[1]: *** [jbig2_image_png.o] Error 1
make[1]: Leaving directory '/home/root/jbig2dec'
Makefile:608: recipe for target 'all' failed
make: *** [all] Error 2
jbig2dec Fatal error Not a jbig2 file header
Hi,
I am new to image decoding and came across jbig2dec for decoding jbig2 files.
I encoded the Winter.jpg to Winter.jbig2 file using the command in Windows XP cmd:
jbig2 -s -v Winter.jpg > Winter.jbig2
I got the file Winter.jbig2.
Now when I decode the file using the command
jbig2dec -o Winter Winter.jbig2
an error is displayed
jbig2dec Fatal error Not a jbig2 file header.
Attaching the files for your reference. Can you please let me know where am I going wrong.
Hoping to get your help,hints at the earliest.
Thanks & Regards
jbig2dec C code VS version
have jbig2dec the C code for VS on window.
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