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<document>
<properties>
<title>Howto switch between different versions of FFMPEG </title>
<author email="sebawagner@apache.org">
OpenMeetings Team
</author>
</properties>
<body>
<section name="Default Configuration">
<p>FFMPEG has a change in its API (possibly since GIT revision
88bfe4518)
</p>
<p>Since Version 1.9.x of OpenMeetings: By default OpenMeetings
expects you to have a new version of FFMPEG on your OpenMeetings
server installed and it will use the new API style to communicate
with FFMPEG.
</p>
</section>
<section name="Switching to old FFMPEG API">
<p>
If you want to switch to the old style you can change that using the
config key:
<tt>use.old.style.ffmpeg.map.option</tt>
</p>
<p>
Set this value to
<tt>1</tt>
to have the old params in the API call to FFMPEG.
</p>
<p>References: </p>
<ul>
<li>
<a
href="http://ffmpeg-users.933282.n4.nabble.com/Invalid-stream-specifier-0-Stream-map-0-0-matches-no-streams-Changes-in-FFMPEG-map-option-td4091165.html"
rel="nofollow">http://ffmpeg-users.933282.n4.nabble.com/Invalid-stream-specifier-0-Stream-map-0-0-matches-no-streams-Changes-in-FFMPEG-map-option-td4091165.html
</a>
</li>
</ul>
</section>
</body>
</document>