[Cin] ffmpeg's e-ac3 encoder

[Andrew Randrianasulu]

I sadly can't test this due to (pulseaudio-related?) crash on android

apoarently truehd (losless) encoder was fixed in git ffmpeg, so may be we
can patch our copy to and make truehd profile..

https://trac.ffmpeg.org/ticket/6216

On Wednesday, November 24, 2021, Andrew Randrianasulu <
randrianasulu at gmail.com> wrote:

> according to some tests it works, but some hw decoders (in tv) migh refuse
> stream (
>
> https://www.reddit.com/r/ffmpeg/comments/k3z9i9/how_
> bad_is_ffmpegs_eac3_encoder/
>
> it also does not support more than 6 channels
> https://trac.ffmpeg.org/ticket/3595?cversion=0&cnum_hist=7
>
> command line and bitrates possible here:
> https://ffmpeg-user.ffmpeg.narkive.com/JJ0ohMKA/eac3-encoding
>  -acodec eac3, up to 6 mbps...
>
> testing should be as simple as copying ffmpeg/audio ac3 profile with new
> name and replacing ac3 with eac3
>
>
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