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Add ffv1 fixity check

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Kieran O'Leary 2015-12-25 11:49:44 +00:00
parent e59026830b
commit 78f70f28f6
1 changed files with 22 additions and 0 deletions
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@ -647,6 +647,28 @@ path_name_and_extension_to_the_last_file</i></pre></dd>
</div>
</div>
<!-- ends Burn in timecode -->
<!-- Check FFv1 fixity -->
<span data-toggle="modal" data-target=".check_FFv1_fixity"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="This decodes your video and verifies the internal crc checksums">Check FFv1 fixity</button></span>
<div class="modal fade check_FFv1_fixity" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="well">
<h3>Check FFv1 Version 3 fixity</h3>
<p><code>ffmpeg -i <i>input_file</i> -f null -</code></p>
<p>This decodes your video and displays any crc checksum mismatches. These errors will display in your terminal like this: <code>[ffv1 @ 0x1b04660] CRC mismatch 350FBD8A!at 0.272000 seconds
</code></p>
<p>Frame crcs are enabled by default in FFv1 Version 3.</p>
<dl>
<dt>ffmpeg</dt><dd>starts the command</dd>
<dt>-i <i>input_file</i></dt><dd>path, name and extension of the input file</dd>
<dt>-f null</dt><dd>Video is decoded with the <code>null</code> muxer. This allows video decoding without creating an output file.</dd>
<dt>-</dt><dd>Ffmpeg syntax requires a specified output, and <code>-</code> is just a place holder. No file is actually created. </dd>
</dl>
</div>
</div>
</div>
</div>
<!-- ends Check FFv1 Fixity -->
</div> <!-- end "well col-md-6 col-md-offset-2" -->
</div> <!-- row -->