[Libav-user] Libav is able to dump metadata ... But how ?

[kurdy_ch-forum at yahoo.fr]

Hi,

I would dump and load to another file metadata as describe in documentation http://libav.org/avconv.html#toc-Metadata 


But I could not find in documentation how to dump to a file and the load it to another audio file.

Have you a sample how to dump to a file and another how to load to file

Thanks
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