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https://github.com/webmproject/libwebp.git
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a67ff735a2
Use EXIT_SUCCESS / EXIT_FAILURE in most cases as more granularity isn't useful. For anim_diff, use 0 (success), 1 (image difference) and 2 (error) to align it with other diff utilities (diff, etc.). Bug: webp:637 Change-Id: I52925de8622a5a4d2141883279d69a1d95ef9b12
88 lines
2.0 KiB
Groff
88 lines
2.0 KiB
Groff
.\" Hey, EMACS: -*- nroff -*-
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.TH WEBPINFO 1 "April 30, 2024"
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.SH NAME
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webpinfo \- print out the chunk level structure of WebP files
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along with basic integrity checks.
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.SH SYNOPSIS
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.B webpinfo
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.I OPTIONS
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.I INPUT
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.br
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.B webpinfo [\-h|\-help|\-H|\-longhelp]
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.br
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.SH DESCRIPTION
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This manual page documents the
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.B webpinfo
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command.
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.PP
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\fBwebpinfo\fP can be used to print out the chunk level structure and bitstream
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header information of WebP files. It can also check if the files are of valid
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WebP format.
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.SH OPTIONS
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.TP
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.B \-version
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Print the version number (as major.minor.revision) and exit.
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.TP
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.B \-quiet
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Do not show chunk parsing information.
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.TP
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.B \-diag
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Show parsing error diagnosis.
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.TP
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.B \-summary
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Show chunk stats summary.
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.TP
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.BI \-bitstream_info
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Parse bitstream header.
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.TP
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.B \-h, \-help
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A short usage summary.
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.TP
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.B \-H, \-longhelp
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Detailed usage instructions.
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.SH INPUT
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Input files in WebP format. Input files must come last, following
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options (if any). There can be multiple input files.
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.SH EXIT STATUS
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If there were no problems during execution, \fBwebpinfo\fP exits with the value
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of the C constant \fBEXIT_SUCCESS\fP. This is usually zero.
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.PP
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If an error occurs, \fBwebpinfo\fP exits with the value of the C constant
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\fBEXIT_FAILURE\fP. This is usually one.
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.SH BUGS
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Please report all bugs to the issue tracker:
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https://bugs.chromium.org/p/webp
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.br
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Patches welcome! See this page to get started:
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https://www.webmproject.org/code/contribute/submitting\-patches/
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.SH EXAMPLES
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.br
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webpinfo \-h
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.br
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webpinfo \-diag \-summary input_file.webp
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.br
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webpinfo \-bitstream_info input_file_1.webp input_file_2.webp
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.br
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webpinfo *.webp
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.SH AUTHORS
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\fBwebpinfo\fP is a part of libwebp and was written by the WebP team.
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.br
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The latest source tree is available at
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https://chromium.googlesource.com/webm/libwebp
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.PP
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This manual page was written by Hui Su <huisu@google.com>,
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for the Debian project (and may be used by others).
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.SH SEE ALSO
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.BR webpmux (1)
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.br
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Please refer to https://developers.google.com/speed/webp/ for additional
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information.
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