<!-- Creator : groff version 1.19.2 --> <!-- CreationDate: Fri Sep 19 17:51:07 2014 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; } pre { margin-top: 0; margin-bottom: 0; } table { margin-top: 0; margin-bottom: 0; } </style> <title>VWEBP</title> </head> <body> <h1 align=center>VWEBP</h1> <a href="#NAME">NAME</a><br> <a href="#SYNOPSIS">SYNOPSIS</a><br> <a href="#DESCRIPTION">DESCRIPTION</a><br> <a href="#OPTIONS">OPTIONS</a><br> <a href="#KEYBOARD SHORTCUTS">KEYBOARD SHORTCUTS</a><br> <a href="#BUGS">BUGS</a><br> <a href="#EXAMPLES">EXAMPLES</a><br> <a href="#AUTHORS">AUTHORS</a><br> <a href="#SEE ALSO">SEE ALSO</a><br> <hr> <a name="NAME"></a> <h2>NAME</h2> <p style="margin-left:11%; margin-top: 1em">vwebp − decompress a WebP file and display it in a window</p> <a name="SYNOPSIS"></a> <h2>SYNOPSIS</h2> <p style="margin-left:11%; margin-top: 1em"><b>vwebp</b> [<i>options</i>] <i>input_file.webp</i></p> <a name="DESCRIPTION"></a> <h2>DESCRIPTION</h2> <p style="margin-left:11%; margin-top: 1em">This manual page documents the <b>vwebp</b> command.</p> <p style="margin-left:11%; margin-top: 1em"><b>vwebp</b> decompresses a WebP file and displays it in a window using OpenGL.</p> <a name="OPTIONS"></a> <h2>OPTIONS</h2> <table width="100%" border=0 rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="3%"> <p style="margin-top: 1em" valign="top"><b>−h</b></p> </td> <td width="8%"></td> <td width="30%"> <p style="margin-top: 1em" valign="top">Print usage summary.</p> </td> <td width="48%"> </td> </table> <p style="margin-left:11%;"><b>−version</b></p> <p style="margin-left:22%;">Print version number and exit.</p> <table width="100%" border=0 rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p style="margin-top: 1em" valign="top"><b>−noicc</b></p> </td> <td width="2%"></td> <td width="56%"> <p style="margin-top: 1em" valign="top">Don’t use the ICC profile if present.</p></td> <td width="22%"> </td> </table> <p style="margin-left:11%;"><b>−nofancy</b></p> <p style="margin-left:22%;">Don’t use the fancy YUV420 upscaler.</p> <p style="margin-left:11%;"><b>−nofilter</b></p> <p style="margin-left:22%;">Disable in-loop filtering.</p> <p style="margin-left:11%;"><b>−dither</b> <i>strength</i></p> <p style="margin-left:22%;">Specify a dithering <b>strength</b> between 0 and 100. Dithering is a post-processing effect applied to chroma components in lossy compression. It helps by smoothing gradients and avoiding banding artifacts. Default: 50.</p> <table width="100%" border=0 rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="7%"> <p style="margin-top: 1em" valign="top"><b>−mt</b></p> </td> <td width="4%"></td> <td width="78%"> <p style="margin-top: 1em" valign="top">Use multi-threading for decoding, if possible.</p></td> <tr valign="top" align="left"> <td width="11%"></td> <td width="7%"> <p style="margin-top: 1em" valign="top"><b>−info</b></p> </td> <td width="4%"></td> <td width="78%"> <p style="margin-top: 1em" valign="top">Display image information on top of the decoded image.</p></td> </table> <p style="margin-left:11%;"><b>−−</b> <i>string</i></p> <p style="margin-left:22%;">Explicitly specify the input file. This option is useful if the input file starts with an ’−’ for instance. This option must appear <b>last</b>. Any other options afterward will be ignored. If the input file is "−", the data will be read from <i>stdin</i> instead of a file.</p> <a name="KEYBOARD SHORTCUTS"></a> <h2>KEYBOARD SHORTCUTS</h2> <table width="100%" border=0 rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="4%"> <p style="margin-top: 1em" valign="top"><b>’c’</b></p> </td> <td width="7%"></td> <td width="43%"> <p style="margin-top: 1em" valign="top">Toggle use of color profile.</p> </td> <td width="35%"> </td> <tr valign="top" align="left"> <td width="11%"></td> <td width="4%"> <p style="margin-top: 1em" valign="top"><b>’i’</b></p> </td> <td width="7%"></td> <td width="43%"> <p style="margin-top: 1em" valign="top">Overlay file information.</p> </td> <td width="35%"> </td> </table> <p style="margin-left:11%;"><b>’q’ / ’Q’ / ESC</b></p> <p style="margin-left:22%;">Quit.</p> <a name="BUGS"></a> <h2>BUGS</h2> <p style="margin-left:11%; margin-top: 1em">Please report all bugs to our issue tracker: http://code.google.com/p/webp/issues <br> Patches welcome! See this page to get started: http://www.webmproject.org/code/contribute/submitting-patches/</p> <a name="EXAMPLES"></a> <h2>EXAMPLES</h2> <p style="margin-left:11%; margin-top: 1em">vwebp picture.webp <br> vwebp picture.webp -mt -dither 0 <br> vwebp −− −−−picture.webp</p> <a name="AUTHORS"></a> <h2>AUTHORS</h2> <p style="margin-left:11%; margin-top: 1em"><b>vwebp</b> was written by the WebP team. <br> The latest source tree is available at http://www.webmproject.org/code</p> <p style="margin-left:11%; margin-top: 1em">This manual page was written for the Debian project (and may be used by others).</p> <a name="SEE ALSO"></a> <h2>SEE ALSO</h2> <p style="margin-left:11%; margin-top: 1em"><b>dwebp</b>(1) <br> Please refer to http://developers.google.com/speed/webp/ for additional information.</p> <hr> </body> </html>