MPEG-4 files and sound

[Russel Winder]

At the risk of exposing my ignorance publicly…

I had thought that the MPEG-4 standard specified that AAC audio was supposed
to be used, yet the mp4mux only seems to allow AC3. I tried using voaacenc
instead of avenc_ac3 but it isn't allowed to be part of the pipeline, which on
inspection of mp4mux makes sense, but is it right? (Should I be using
avenc_ac3_fixed instead of avenc_ac3? What's fixed about it?)

From what I can tell the faac encoder is not available in Debian packages even
though the faad is. There doesn't seem to be a GStreamer plugin that works
with fdk-aac, but is that a historical thing re licencing?

-- 
Russel.
===========================================
Dr Russel Winder      t: +44 20 7585 2200
41 Buckmaster Road    m: +44 7770 465 077
London SW11 1EN, UK   w: www.russel.org.uk

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: This is a digitally signed message part
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20181223/039561e5/attachment.sig>