How to determine which modules needed for licensing FFmpeg as part of an app

For the developers that use FFmpeg in their software.
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d0g
Posts: 1
Joined: Tue Oct 29, 2019 11:04 pm

How to determine which modules needed for licensing FFmpeg as part of an app

Post by d0g » Tue Oct 29, 2019 11:07 pm

I developed an app that uses ffmpeg for some simple muxing, which I am going to sell. I contacted MPEG LA about licensing, and they said I the license I need depends on which codecs I use.

Is there any way to determine which codecs/libraries are actually being used by a particular `ffmpeg` command?

If not, is there any way to temporarily disable/enable options to see if they are required for a given operation?

FWIW, my operation doesn't re-encode any video. It uses

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c:v copy
and

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c:a copy
with a

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map
function to re-arrange audio tracks. In some cases it might convert

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pcm_s24be
to

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pcm_s24le
.

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