libwebp/man/dwebp.1
2011-04-18 18:50:34 -07:00

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.\" Hey, EMACS: -*- nroff -*-
.TH DWEBP 1 "March 28, 2011"
.SH NAME
dwebp \- decompress a WebP file to an image file
.SH SYNOPSIS
.B dwebp
.RI [ options ] " input_file.webp
.br
.SH DESCRIPTION
This manual page documents the
.B dwebp
command.
.PP
\fBdwebp\fP decompresses WebP files into PNG, PPM or PGM images.
.SH OPTIONS
The basic options are:
.TP
.B \-h
Print usage summary.
.TP
.B \-version
Print the version number (as major.minor.revision) and exit.
.TP
.B \-o string
Specify the name of the output file (as PNG format by default).
.TP
.B \-ppm
Change the output format to PPM.
.TP
.B \-pgm
Change the output format to PGM. The output consist of luma/chroma
samples instead of RGB, using the ICM4 layout. This option is mainly
for verification and debugging purpose.
.TP
.B \-v
Print extra information (decoding time in particular).
.SH Examples:
dwebp picture.webp -o output.png
.br
dwebp picture.webp -ppm -o output.ppm
.SH
.SH SEE ALSO
.BR cwebp (1).
.br
Please refer to http://code.google.com/speed/webp/ for additional
information.
.SH AUTHOR
\fBdwebp\fP was written by the WebP team.
.br
The latest source tree is available at http://www.webmproject.org/code
.PP
This manual page was written by Pascal Massimino <pascal.massimino@gmail.com>,
for the Debian project (and may be used by others).