Filters: HTML5 audio/video to MP4 filter

Maintained by Picture of Nicolas DunandNicolas Dunand
This filter allows the automated creation of MP4 sources for HTML5 and elements.
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Current versions available: 1

Moodle HTML5 audio/video to MP4 filter

This filter allows the automated creation of MP4 sources for HTML5 <audio> and <video> elements.

This is particularly useful if some users are using atto_recordrtc because most browsers create ogg files for audio and webm files for video, which are not playable in Safari.

This plugin then check for the existence of an mp4 source and provides it automatically if it exists. In the case the mp4source does not exist, it is created via a scheduled task.


A working ffmpeg installation, and the correct path to be set in the plugin settings.

In Debian-like GNU/Linux environments, ffmpeg can be installed by issuing the following command:

apt-get install ffmpeg


You need to at least:

  1. install ffmpeg (see above),
  2. set the pathtoffmpeg in the plugin settings.

Optionnally you can:

  • change the other plugin settings as required,
  • tweak the execution times of the scheduled task running the file conversions.


Report issues on .


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Picture of Nicolas Dunand
Nicolas Dunand (Lead maintainer)
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