[FFmpeg-user] MXF container tags modified when replacing audio

Frédéric Busnel-Joncour fred.bj at free.fr
Wed Feb 7 11:32:43 EET 2018

>> Thanks for support again !
>> As I'm not the end user, it's difficult to tell you exactly, but the problem
>> occurs with Avid Media Composer.
>> Video Line Map should be at 42, and it's at 0.
> Sorry, I am not sure I understand correctly:
> If you change the value "0" for Video Line Map in a 3840x2160 file
> created with FFmpeg to "42", the file works with Avid Media Composer?

Hi Carl Eugen,

As far as I know, yes. But I don't know how to change this value with ffmpeg or any other tool.

>> Perhaps it's not technically possible, but an option like
>> -keep_all_metadata would be very helpful in such case.
> Sorry if I was unclear in my first message in this thread:
> Just as FFmpeg is unable to "replace" streams, you
> cannot "keep" metadata.

Very clear, thanks.

Best regards,


More information about the ffmpeg-user mailing list