[Libav-user] map_metadata

[arias]

Hello

I am trying to copy the metada data from one mp3 file to another, using (among many others) something like this: 
ffmpeg -y -i a1.mp3 -acodec copy -map_metadata notags.mp3:a.mp3 notags.mp3 

It tolds me that invalid metadata type o

How can i convert some mp3 files into, lets say, flac or ogg, aac and copy the metada of the original metadata?

Any help will be appreciated.





Ricardo
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