[FFmpeg-devel] [PATCH v4 3/3] avformat/mxfenc: prefer to use the configured metadta

[Tobias Rapp]

On 25.01.2021 20:40, emcodem at ffastrans.com wrote:
> [...]
> 
> What you can do instead is to push both identifications, the old one and 
> the one from the current program into the identification array, this way 
> the processing chain can be reconstructed. Unforutnately i have never 
> seen anyone doing this besides Opencube.

This might work when your whole chain is built on a single container 
format (MXF). As soon as there is a mix of formats it is easier to store 
the processing chain information as a separate file.

PREMIS is some standard for doing this, but it has quite some overhead:
http://www.loc.gov/standards/premis/premis-mets.html
Not sure how popular it is.

Regards,
Tobias