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

[Carl Eugen Hoyos]

2018-02-07 12:47 GMT+01:00 Frédéric Busnel-Joncour <fred.bj at free.fr>:
>>>> 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?
>>>
>>> As far as I know, yes.
>>
>> How do you know?
>
> Technical advise of the TV Network that handled the files for editorial.
>
>>> But I don't know how to change this value with ffmpeg or any other tool.
>>
>> Either change the "default" video line map value in line 1166 of
>> libavformat/mxfenc.c and recompile or use a "hex editor" on
>> the output file.
>
> Thanks. I'll try to recompile, even if it's always a hard way for me

> (never could do it with all the needed options).

The needed options for this test are:
$ ./configure && make ffmpeg

Carl Eugen