The Dolby MP4 streaming muxer (dlb_mp4base) is a software implementation of a muxer of fragmented or unfragmented ISO base media file format (mp4). It supports muxing of Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3), and Dolby AC-4 audio formats as well as Dolby Vision.
when i using the command
./mp4muxer_mac -o "Liaison.mp4" -i out/out_2.ec3 -i out/out_1.h265 -i out/out_3.data
i get
ERROR! Input ES type: dat, extension not supported
Edit: this is the command i'm using to demux
./mp4demuxer_mac --input-file Liaison.mp4 --output-folder out