xref: /aosp_15_r20/external/webp/man/webpinfo.1 (revision b2055c353e87c8814eb2b6b1b11112a1562253bd)
Hey, EMACS: -*- nroff -*-
WEBPINFO 1 "November 17, 2021"
NAME
webpinfo - print out the chunk level structure of WebP files along with basic integrity checks.
SYNOPSIS
webpinfo OPTIONS INPUT

webpinfo [-h|-help|-H|-longhelp]

DESCRIPTION
This manual page documents the webpinfo command.

webpinfo can be used to print out the chunk level structure and bitstream header information of WebP files. It can also check if the files are of valid WebP format.

OPTIONS

-version Print the version number (as major.minor.revision) and exit.

-quiet Do not show chunk parsing information.

-diag Show parsing error diagnosis.

-summary Show chunk stats summary.

-bitstream_info Parse bitstream header.

-h, -help A short usage summary.

-H, -longhelp Detailed usage instructions.

INPUT
Input files in WebP format. Input files must come last, following options (if any). There can be multiple input files.
BUGS
Please report all bugs to the issue tracker: https://bugs.chromium.org/p/webp

Patches welcome! See this page to get started: https://www.webmproject.org/code/contribute/submitting-patches/

EXAMPLES

webpinfo -h

webpinfo -diag -summary input_file.webp

webpinfo -bitstream_info input_file_1.webp input_file_2.webp

webpinfo *.webp

AUTHORS
webpinfo is a part of libwebp and was written by the WebP team.

The latest source tree is available at https://chromium.googlesource.com/webm/libwebp

This manual page was written by Hui Su <[email protected]>, for the Debian project (and may be used by others).

SEE ALSO
webpmux (1)

Please refer to https://developers.google.com/speed/webp/ for additional information.