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Ashley Blewer 2015-11-18 15:26:38 -08:00
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<h3>Join multiple files together</h3>
<h3>Pull specs from video file</h3>
<p><code>ffprobe -i filename.avi -show_format -show_streams -print_format xml</code></p>
<p>This command extracts technical metadata from a video file and displays it in xml. </p>
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<h3>ffmpeg -f concat -i mylist.txt -c copy [output]</h3>
<h3>Join files together</h3>
<p><code>ffmpeg -f concat -i mylist.txt -c copy [output] </code></p>
<p>This command takes two or more files of the same filetype and joins them together to make a single file. All that the program needs is a list specifying the files that should be concatenated. However, it only works if the files to be combined have the exact same codec and technical specifications. </p>
<p>ffmpeg documentation on concatenating files (full list of flags, commands, <a href="https://trac.ffmpeg.org/wiki/Concatenate">https://trac.ffmpeg.org/wiki/Concatenate</a>) </p>
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<li>-i: tells ffmpeg to expect input files</li>
<li>mylist.txt: a text file indicating the list of files to be concatenated. Should be formatted as:</li>
<ul>
<li>file [path to file 1]</li>
<li>file [path to file 2]</li>
<li>file [path to file 1]</li>
<li>file [path to file 2]</li>
</ul>
<li>-c copy: specifies the encoder for the output file by telling the program to copy the codecs of the original files and use them for the output file</li>
<li>[output]: desired filename for the output file</li>