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This project is obsolete, kept for historical reasons. See cpu-audio instead

Author : Xavier "dascritch" Mouton-Dubosc

Version : 1.1.01

Thank you to my lovely friends

Informations in french :


This is an hashtag extention for <audio></video>, permits to do a hotlink or a deeplink.


Link to an hash with a timecode to point the media player to the desired time. The main difference with standard media fragment is to permit external link to your page at a precise moment of your media.

Example page :

Blog post to come after August.

How to

First, call the library as usual in your html where you want to address your players :

<script src="timecodehash.js"></script>

I personaly prefer in the <head> section, but it can work at the end of <body> minimified and collated. It should also work in dynamic injection.

Just link as you usually do to a named anchor, then add &t= and the timecode you want the player to jump to. By example, triggering <a href="page.html#player@100"> will start any playable element of page.html named "player" at the 100th second. The referred page.html should have a call to the library, the referrent doesn't need it.

If you want to change the separator character, you should change the window.TimecodeHash.separator property after calling the lib.

Permitted notations

For the timecode, you can use

  • seconds without unit : page.html#player&t=7442
  • professionnal timecodes as 02:04:02 (2 hours, 4 minutes and 2 seconds) : page.html#player&t=02:04:02
  • human-readable units as in page.html#player&t=2h4m2s for the previous example. Sub-units availables : seconds, minutes, hours and days

Note : if a timecode without named anchor is given, as in href="#@13h37m", the very first <audio>/<video> element of the document will be started and placed at this time.

Via the API and only for the API at this time, you can change the separator from &t= to any accepted unicode character, p.e. ;, or .

Production notes

Firefox do large media seeking without any problems. But Chrome is not handling very easily. So TDD tests where switched laterly in async mode and .jumpElementAt and hashOrder have a callback function to test it properly.

A contrario, Firefox seems doing a refresh loading when I use media frangment.


Copyright (C) 2014 Xavier "dascritch" Mouton-Dubosc

This software is licenced under the GNU General Purpose Licence. Use it and deploy it as you want : i've done too much closed source before.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see


  • September 2014 : 2 , correcting to standard separator
  • September 2014 : 1 , public announcing
  • July 2014 : 1.a , public release
  • June 2014 : 0.2 , proof of concept
  • October 2012 : first version, trashed

Repository :

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