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Merge pull request #102 from amiaopensource/ab/gifgifgif

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adds image-to-gif example #98
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Reto Kromer 2016-10-23 19:40:55 +02:00 committed by GitHub
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</div>
<!-- ends MKV to MP4 -->
<!-- Images to GIF -->
<span data-toggle="modal" data-target="#img_to_gif"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Converts images to GIF">Images to GIF</button></span>
<div id="img_to_gif" class="modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="well">
<h3>Images to GIF</h3>
<p><code>ffmpeg -f image2 -framerate 9 -pattern_type glob -i <i>"input_image_*.jpg"</i> -vf scale=250x250 <i>output_file</i>.gif</code></p>
<p>This will convert a series of image files into a gif.</p>
<dl>
<dt>ffmpeg</dt><dd>starts the command</dd>
<dt>-f image2</dt><dd>forces input or output file format. <code>image2</code> specifies the image file demuxer.</dd>
<dt>-framerate 9</dt><dd>sets framerate to 9 frames per second</dd>
<dt>-pattern_type glob</dt><dd>tells ffmpeg that the following mapping should "interpret like a <a href="https://en.wikipedia.org/wiki/Glob_%28programming%29">glob</a>" (a "global command" function that relies on the * as a wildcard and finds everything that matches)</dd>
<dt>-i <i>"input_image_*.jpg"</i></dt><dd>maps all files in the directory that start with input_image_, for example input_image_001.jpg, input_image_002.jpg, input_image_003.jpg... etc.<br/>
(The quotation marks are necessary for the above "glob" pattern!)</dd>
<dt>-vf scale=250x250</dt><dd>filter the video to scale it to 250x250; -vf is an alias for -filter:v</dd>
<dt><i>output_file.gif</i></dt><dd>path and name of the output file</dd>
</dl>
<p class="link"></p>
</div>
</div>
</div>
</div>
<!-- ends Images to GIF -->
</div>
<div class="well">
<h4>Make derivative variations</h4>