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This page contains information on the Cisco OpenH264 firefox plugin.


Cisco provides a binary version of a OpenH264 plugin for firefox. This plugin is needed for WebRTC along with other H264 decoding. This binary is released under this agreement from Cisco:

Upstream firefox versions download and install this plugin by default automatically. Due to it's binary nature, Fedora disables this automatic download.


Source for this plugin is available at under a BSD license.

Manual install of binary

mkdir -p ~/.mozilla/firefox/<yourprofile>/gmp-gmpopenh264/1.1/
cd ~/.mozilla/firefox/<yourprofile>/gmp-gmpopenh264/1.1/
unzip ~/
  • Restart Firefox