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    It works for me, on the same Free.fr servers:<br>
    <br>
    <a class="moz-txt-link-freetext" href="http://anamnese.online.fr/pmwiki-efo/index.php/Main/WikiSandbox">http://anamnese.online.fr/pmwiki-efo/index.php/Main/WikiSandbox</a><br>
    <br>
    It's probably because of a missing or wrong .htaccess (see my
    previous post about this).<br>
    <br>
    The code is only:<br>
    (:html5video filename=test poster='' width=480 height=270:)<br>
    <br>
    and test.ogv is in /pmwiki-efo/uploads<br>
    <br>
    This cookbook should be modified: it tries to load the 3 supported
    formats, which is not really efficient:<br>
    <br>
    <pre id="line1"><span><<span class="start-tag">p</span>></span><span></span><span><<span class="start-tag">video</span> <span class="attribute-name">width</span>="<a class="attribute-value">480</a>" <span class="attribute-name">height</span>="<a class="attribute-value">270</a>" <span class="attribute-name">controls</span>="<a class="attribute-value">controls</a>" 
<span id="line176"></span><span class="attribute-name">poster</span>="<a class="attribute-value">http://gnuzoo.org/guitarstuff/uploads/.jpg</a>"></span><span>
<span id="line177"></span>  </span><span><<span class="start-tag">source</span> <span class="attribute-name">src</span>="<a href="view-source:http://anamnese.online.fr/pmwiki-efo/uploads/test.ogv" class="attribute-value">../../uploads/test.ogv</a>"  <span class="attribute-name">type</span>="<a class="attribute-value">video/ogg</a>"  <span>/</span>></span><span>
<span id="line178"></span>  </span><span><<span class="start-tag">source</span> <span class="attribute-name">src</span>="<a href="view-source:http://anamnese.online.fr/pmwiki-efo/uploads/test.mp4" class="attribute-value">../../uploads/test.mp4</a>"  <span class="attribute-name">type</span>="<a class="attribute-value">video/mp4</a>"  <span>/</span>></span><span>
<span id="line179"></span>  </span><span><<span class="start-tag">source</span> <span class="attribute-name">src</span>="<a href="view-source:http://anamnese.online.fr/pmwiki-efo/uploads/test.webm" class="attribute-value">../../uploads/test.webm</a>" <span class="attribute-name">type</span>="<a class="attribute-value">video/webm</a>" <span>/</span>></span><span>
<span id="line180"></span>  </span><span><<span class="start-tag">img</span>    <span class="attribute-name">src</span>="<a href="view-source:http://anamnese.online.fr/pmwiki-efo/uploads/.jpg" class="attribute-value">../../uploads/.jpg</a>"  <span class="attribute-name">width</span>="<a class="attribute-value">480</a>" <span class="attribute-name">height</span>="<a class="attribute-value">270</a>" <span>/</span>></span><span>
<span id="line181"></span>  </span><span><<span class="start-tag">br</span> <span>/</span>></span><span>Your browser does not allow HTML5 video.
<span id="line182"></span></span><span></<span class="end-tag">video</span>>
</span><span></span></pre>
    <br>
    I'd prefer to explicitly write the extension myself because the file
    is called test.ogv, not only test: (:html5video filename=test.ogv
    poster='' width=480 height=270:)<br>
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