[FFmpeg-user] Encrypted fmp4 not yet supported

Robin van der Linden linden at venom.one
Wed Jun 15 12:09:22 EEST 2022


Today I actually wanted to start implementing HLS segment encryption for 
my streams, but each time I try to generate encrypted output segments I 
run into the following error:

"Encrypted fmp4 not yet supported\nCould not write header for output 
file #2"

After some googling I came across this post, which I quite old but still 
seems true:

It still seems that even 2 years later fmp4 encryption is not supported, 
and I'm asking myself why it was supported in the past but
has been dropped, at least according to this post? Is there any 
workaround here? Can I maybe use OpenSSL here as a workaround?

Thanks in advance

Grüße / Kind regards,

Robin van der Linden
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