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f4fhds: NGINX module for Adobe f4f format


You can install this module in any RHEL-based distribution, including, but not limited to:

  • RedHat Enterprise Linux 7, 8, 9
  • CentOS 7, 8, 9
  • AlmaLinux 8, 9
  • Rocky Linux 8, 9
  • Amazon Linux 2 and Amazon Linux 2023
yum -y install
yum -y install nginx-module-f4fhds

Enable the module by adding the following at the top of /etc/nginx/nginx.conf:

load_module modules/;

This document describes nginx-module-f4fhds v0.0.1 released on Oct 24 2020.

Nginx module for Adobe f4f format.

This module implements handling of HTTP Dynamic Streaming requests in the “/videoSeg1-Frag1” form — extracting the needed fragment from the videoSeg1.f4f file using the videoSeg1.f4x index file. This module is an alternative to the Adobe’s f4f module (HTTP Origin Module) for Apache.

It is open-source equivalent for commercial ngx_http_f4f_module module.


location /video/ {


  • The assumption is that all files contain a single (first) segment, e.g. Seg1
  • The files should reside in a local non-networked filesystem, due to use of mmap(2).


You may find additional configuration tips and documentation for this module in the GitHub repository for nginx-module-f4fhds.