Man page - jbig2dec(1)

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Manual

jbig2dec

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
REPORTING BUGS
AUTHOR

NAME

jbig2dec - File format converter specialized in JBIG2 decoding

SYNOPSIS

jbig2dec [ options ] file.jbig2
jbig2dec [ options ] global-stream page-stream

DESCRIPTION

The jbig2dec command converts JBIG2 files to png or pbm files.

When passed a single file argument it is interpreted as a JBIG2 file stream, with either sequential or random-access organization.

When passed two stream arguments, they are interpreted as the global and page-specific portions of an embedded organization, as used in PDF. If a particular page references no global segment stream, /dev/null can be passed for the global-stream argument to request the embedded parser.

OPTIONS

The options are as follows:
-e , --embedded

Expect embedded bit stream without file header.

-o file , --output file

Store the decoded output in file . Defaults to the input with a different extension. Set to - for standard output.

-t type , --format type

Force a particular output file format. Supported are png and pbm .

-d , --dump

Print the structure of the JBIG2 file rather than explicitly decoding it.

-m , --hash

Print a hash of the decoded document.

-q , --quiet

Suppress warnings and other diagnostic output.

-v , --verbose

Report additional information about the decoding process. Pass just -v for information about the file as it’s being decoded. This is the same as --verbose=2 . Pass --verbose=3 or higher for debugging information.

-V , --version

Show program version information.

-h , --help

Show usage summary.

REPORTING BUGS

Report bugs at https://bugs.ghostscript.com

Contact the developers on Discord: https://discord.gg/taPnFQp5gb or via the mailing list <gs-devel@ghostscript.com>.

AUTHOR

This manpage was initially written by Sebastian Rasmussen <sebras@gmail.com> for jbig2dec and the Debian Project.