Jun 10, 2016
cPanel Access Level
Root Administrator
i am VPS user and geting this error when try to run some ffmpeg commands.

[[email protected] ~]# /usr/local/bin/ffmpeg -i /home/xconnect/public_html/tester/test.avi -vcodec libx264 -s 640x360 -threads 4 -movflags faststart /home/xconnect/public_html/tester/test.mp4
ffmpeg version 3.0.2 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-17)
  configuration: --prefix=/home/.cpanm/work/1465496978.8603/Alien-ffmpeg-0.103/blib/lib/auto/share/dist/Alien-ffmpeg
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
[NULL @ 0x30735a0] RIFF stream data tag type Zora (1634889562) is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[NULL @ 0x30735a0] If you want to help, upload a sample of this file to and contact the ffmpeg-devel mailing list. ([email protected])
[mjpeg @ 0x30735a0] Changing bps to 8
Guessed Channel Layout for  Input Stream #0.1 : mono
Input #0, avi, from '/home/xconnect/public_html/tester/test.avi':
  Duration: 00:00:09.87, start: 0.000000, bitrate: 7858 kb/s
    Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 640x480, 7528 kb/s, 24 fps, 24 tbr, 24 tbn, 24 tbc
    Stream #0:1: Audio: pcm_mulaw ([7][0][0][0] / 0x0007), 44100 Hz, 1 channels, s16, 352 kb/s
Unknown encoder 'libx264'


Staff member
Apr 11, 2011

Please note that assistance with FFMPEG software application installations (including software that utilizes this software) and technical support for this piece of software are not available from cPanel. While FFMPEG software is distributed subject to GPL licenses, the use and installation of the software may also require patent licenses from third parties.

Because of the legal uncertainty relating to the FFMPEG software application, we are not able to assist in the installation or troubleshooting of FFMPEG.

This is not legal advice or a legal opinion. We are simply explaining that our participation in the installation/troubleshooting of this software is not available. Please see the following location for any legal discussion:

FFmpeg License and Legal Considerations

You can search this forum for "ffmpeg" to see some threads that show how other users have installed it. However, cPanel staff members can not assist you with FFMPEG (including software that utilizes this software).

Thank you.