you can simply use eac3to to encode to dolby 5.1, without demuxing.
eac3to source.m2ts destination.ac3
done
the outputted file will be a 5.1 ac3 file.
you can simply use eac3to to encode to dolby 5.1, without demuxing.
eac3to source.m2ts destination.ac3
done
the outputted file will be a 5.1 ac3 file.