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HTML5 should be fine

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Reto Kromer 2015-11-27 08:56:09 +01:00
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<!DOCTYPE html> <!DOCTYPE html>
<html> <html lang="en">
<head> <head>
<title>ffmprovisr</title> <title>ffmprovisr</title>
<meta charset="utf-8"> <meta charset="utf-8">
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<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
</head> </head>
<div class="container"> <body>
<div class="container">
<div class="text-center"> <div class="text-center">
<h1>➺ ffmprovisr ❥</h1> <h1>➺ ffmprovisr ❥</h1>
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<ul> <ul>
<li><b>ffmpeg</b> starts the command</li> <li><b>ffmpeg</b> starts the command</li>
<li><b>-i</b> input file (path, name and extension)</li> <li><b>-i</b> input file (path, name and extension)</li>
<li><b>-ss HH:MM:SS</b> starting point of the gift</li> <li><b>-ss HH:MM:SS</b> starting point of the gif</li>
<li><b>-t 3</b> number of seconds after the starting point repeated in the gif (here 3)</li> <li><b>-t 3</b> number of seconds after the starting point repeated in the gif (here 3; can be specified also with a full timestamp, i.e. here 00:00:03)</li>
<li>output file (path, name and extension)</li> <li>output file (path, name and extension)</li>
</ul> </ul>
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<li>ffmpeg : starts the command</li> <li>ffmpeg : starts the command</li>
<li>-i for input</li> <li>-i for input</li>
<li>[inputfile.wav] : file you would like to convert to mp3</li> <li>[inputfile.wav] : file you would like to convert to mp3</li>
<li>-sample_fmt s16p: sample format. This will give you 16 bit audio (To see a list of supported sample formats, type: ffmpeg -sample_fmts)</li> <li>-sample_fmt s16p: sample format. This will give you 16 bit audio (To see a list of supported sample formats, type: <code>ffmpeg -sample_fmts</code>)</li>
<li>-ar 44100: Sets the audio sampling frequency to 44.1 kHz (CD quality).</li> <li>-ar 44100: Sets the audio sampling frequency to 44.1 kHz (CD quality).</li>
<li>[outputfile.mp3] : outputname and format</li> <li>[outputfile.mp3] : outputname and format</li>
</ul> </ul>
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<li>ffmpeg: starts the command</li> <li>ffmpeg: starts the command</li>
<li>-i for input</li> <li>-i for input</li>
<li>[inputfile.extension]: the file you want to create framemd5 checksums for</li> <li>[inputfile.extension]: the file you want to create framemd5 checksums for</li>
<li>-an: ignores the audio track</li> <li>-an: ignores the audio stream (audio no)</li>
<li>-f framemed5: file type</li> <li>-f framemed5: file type</li>
<li>[outputfile.framemd5]: output name and format</li> <li>[outputfile.framemd5]: output name and format</li>
</ul> </ul>
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<li>-i: Tells ffmpeg to expect an input file</li> <li>-i: Tells ffmpeg to expect an input file</li>
<li>[inputfile]: Specifies the name and location of the file you want to transcode into ProRes</li> <li>[inputfile]: Specifies the name and location of the file you want to transcode into ProRes</li>
<li>-c:v prores: Tells ffmpeg to transcode the video stream into Apple ProRes 422</li> <li>-c:v prores: Tells ffmpeg to transcode the video stream into Apple ProRes 422</li>
<li>-profile:v 1: Declares profile of ProRes you want to use. The profiles are explained below:</li> <li>-profile:v 1: Declares profile of ProRes you want to use. The profiles are explained below:
<ul> <ul>
<li>0 : ProRes422 (Proxy)</li> <li>0 : ProRes422 (Proxy)</li>
<li>1 : ProRes422 (LT)</li> <li>1 : ProRes422 (LT)</li>
<li>2 : ProRes422 (Normal)</li> <li>2 : ProRes422 (Normal)</li>
<li>3 : ProRes422 (HQ)</li> <li>3 : ProRes422 (HQ)</li>
</ul> </ul></li>
<li>-c:a pcm_s16le: Tells ffmpeg to encode the audio stream in 16-bit linear PCM</li> <li>-c:a pcm_s16le: Tells ffmpeg to encode the audio stream in 16-bit linear PCM</li>
<li>-vf yadif: Runs a deinterlacing video filter (yet another deinterlacing filter) on the new file</li> <li>-vf yadif: Runs a deinterlacing video filter (yet another deinterlacing filter) on the new file</li>
<li>[output.mov]: Specifies the name, location, and extension of the new ProRes file</li> <li>[output.mov]: Specifies the name, location, and extension of the new ProRes file</li>
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<li>-f: forces ffmpeg to keep the same file format of the joined files</li> <li>-f: forces ffmpeg to keep the same file format of the joined files</li>
<li>concat: ffmpeg’s concatenate command. This tells ffmpeg to join the files.</li> <li>concat: ffmpeg’s concatenate command. This tells ffmpeg to join the files.</li>
<li>-i: tells ffmpeg to expect input files</li> <li>-i: tells ffmpeg to expect input files</li>
<li>mylist.txt: specifies the location of a text file with a list of files to be concatenated. You should create a text file that is formatted as follows:</li> <li>mylist.txt: specifies the location of a text file with a list of files to be concatenated. You should create a text file that is formatted as follows:
<ul> <ul>
<li>file [path to file 1]</li> <li>file [path to file 1]</li>
<li>file [path to file 2]</li> <li>file [path to file 2]</li>
</ul> </ul></li>
<li>-c copy: specifies the encoder for the output file by telling ffmpeg to copy the codecs of the original files and use them for the output file</li> <li>-c copy: specifies the encoder for the output file by telling ffmpeg to copy the codecs of the original files and use them for the output file</li>
<li>[output]: specifies the filename and location for the output file</li> <li>[output]: specifies the filename and location for the output file</li>
</ul> </ul>
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<p>In order to use the same basic command to make a higher quality file, you can add some of these presets:</p> <p>In order to use the same basic command to make a higher quality file, you can add some of these presets:</p>
<p><code>ffmpeg -i [input file] -vcodec libx264 -acodec copy -preset veryslow -crf 18 [output file.mp4]</code></p> <p><code>ffmpeg -i [input file] -vcodec libx264 -acodec copy -preset veryslow -crf 18 [output file.mp4]</code></p>
<ul>
<li>-preset veryslow: This option tells ffmpeg to use the slowest preset possible for the best compression quality</li> <li>-preset veryslow: This option tells ffmpeg to use the slowest preset possible for the best compression quality</li>
<li>-crf 18: Specifying a lower CRF will make a larger file with better visual quality</li> <li>-crf 18: Specifying a lower CRF will make a larger file with better visual quality</li>
</ul>
<p>libx264 also defaults to 4:2:2 chroma subsampling. Some versions of Quicktime can't read x264 files in 4:2:2. In order to allow the video to play in all Quicktime players, you can specify 4:2:0 chroma subsampling instead:</p> <p>libx264 also defaults to 4:2:2 chroma subsampling. Some versions of Quicktime can't read x264 files in 4:2:2. In order to allow the video to play in all Quicktime players, you can specify 4:2:0 chroma subsampling instead:</p>
<p><code>ffmpeg -i [input file] -c:v libx264 -pix_fmt yuv420p -c:a copy -preset veryslow -crf 18 [output file.mp4]</code></p> <p><code>ffmpeg -i [input file] -c:v libx264 -pix_fmt yuv420p -c:a copy -preset veryslow -crf 18 [output file.mp4]</code></p>
<ul>
<li>-pix_fmt yuv420p: Specifies a pixel format of YUV 4:2:0 to allow the file to play in a standard Quicktime player</li> <li>-pix_fmt yuv420p: Specifies a pixel format of YUV 4:2:0 to allow the file to play in a standard Quicktime player</li>
</ul>
</div> </div>
</div> </div>
</div> </div>
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<div class="footer text-center"> <div class="footer text-center">
<p>Made with ♥ at <a href="http://wiki.curatecamp.org/index.php/Association_of_Moving_Image_Archivists_%26_Digital_Library_Federation_Hack_Day_2015">AMIA #AVhack15</a>! Contribute to the project via <a href="https://github.com/amiaopensource/ffmprovisr">our Github page</a>!</p> <p>Made with ♥ at <a href="http://wiki.curatecamp.org/index.php/Association_of_Moving_Image_Archivists_%26_Digital_Library_Federation_Hack_Day_2015">AMIA #AVhack15</a>! Contribute to the project via <a href="https://github.com/amiaopensource/ffmprovisr">our Github page</a>!</p>
</div> </div>
</div> <!-- class="container" -->
</body> </body>
</html> </html>