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added play VGA SMPTE bars

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Reto Kromer 2016-01-10 11:40:49 +01:00
parent a8a3efbb40
commit 67f5124b95
1 changed files with 20 additions and 0 deletions
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index.html
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@ -640,6 +640,26 @@
</div> </div>
<!-- ends Play HD SMPTE bars --> <!-- ends Play HD SMPTE bars -->
<!-- Play VGA SMPTE bars -->
<span data-toggle="modal" data-target=".play_vga_smpte"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Test a VGA video projector by playing the SMPTE colour bars pattern">Play VGA SMPTE bars</button></span>
<div class="modal fade play_vga_smpte" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="well">
<h3>Play VGA SMPTE bars</h3>
<p>Test a VGA (SD) video projector by playing the SMPTE colour bars pattern.</p>
<p><code>ffplay -f lavfi -i smptebars=size=640x480</code></p>
<dl>
<dt>ffplay</dt><dd>starts the command</dd>
<dt>-f lavfi</dt><dd>tells ffmpeg to use the libavfilter input virtual device <a href="http://ffmpeg.org/ffmpeg-devices.html#lavfi" target="_blank">[more]</a></dd>
<dt>-i smptebars=size=640x480</dt><dd>asks for the smptehdbars filter pattern as input and sets the HD resolution. This generates a colour bars pattern, based on the SMPTE Engineering Guideline EG 1–1990. <a href="https://ffmpeg.org/ffmpeg-filters.html#allrgb_002c-allyuv_002c-color_002c-haldclutsrc_002c-nullsrc_002c-rgbtestsrc_002c-smptebars_002c-smptehdbars_002c-testsrc" target="_blank">[more]</a></dd>
</dl>
</div>
</div>
</div>
</div>
<!-- ends Play VGA SMPTE bars -->
</div> </div>
<div class="well"> <div class="well">
<h4>Other</h4> <h4>Other</h4>