Verify a Matroska/FFV1 file

The Bash script verify_ffv1 verifies the fixity and a few parameters of an FFV1 file wrapped into a Matroska container (a “.mkv” file) or another possible container. The program is part of Bash AVpres, released under a 3-Clause BSD License and provided “as is” without warranty or support of any kind.

Documentation

A short help message is embedded into the script:

$ verify_ffv1 -h

Usage:
  verify_ffv1 -i <input_file>
  verify_ffv1 -h | -x
Options:
  -i  input file
  -h  this help
  -x  advanced options with their default arguments
      (no local configuration file found on this computer)
Dependencies:
  ffmpeg and ffprobe
See also:
  man verify_ffv1
  https://avpres.net/Bash_AVpres/
About:
  Abstract: Verify fixity and a few parameters of a Matroska/FFV1 file
  Version:  2026-01-02

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A detailed manual page is installed together with the script (man verify_ffv1) and is available also as a PDF file.

2026-01-03