MediaConch

Conformance- and policy-checker for media files.

• Check if container/codecs meet specs.
• Policy-check for numerous media formats.
• Great for ingest of ‘born-digital’.
• etc.

Website: mediaarea.net/MediaConch/

Implementation Checks

Currently implemented:

• Container Matroska (.mkv)
  (any codecs)
• Video FFV1
  (any container)
• Audio LPCM (any container)

Additional formats implementable on demand.

Policy Checks

Defined rule sets (aka “a policy”) for selected technical properties

Policy Checks

Examples:

• Resolution (image, samplerate)
• Format/codec
• Framerate (fps)
• Bitrate
• …

Policies and Rules

• Policy = A branch
• Rule = A leaf
• Nested policies + rules?
  A tree!

Policies and Rules

Policy types:

• AND = all must match
• OR = at least one match

Exercise 1

Create a policy matching:

• PAL SD resolution
• PAL framerate

Exercise 2

Create a policy from existing file.

Which rules to keep?

Popular use cases

• Ingest of born digital “Banana boxes”
• Check before “move to archive”
• 3rd party digitization

Comments?

Questions?