I used passthrough for video&audio, set output to m2ts and enabled 'Create Structure->Blu-ray' then used the file from the BDMV\STREAM folder.
=> try whether you can reproduce this
Seems like the '--blu-ray' does something else that is need for your setup.
Cu Selur
Ps.: also check if it changes anything if you use: https://www.videohelp.com/download/tsMux...2.6.15.zip
=> try whether you can reproduce this
MUXOPT --no-pcr-on-video-pid --new-audio-pes --blu-ray --label="DOLBY-DIGITAL-PLUS-LOSSLESS" --vbr --vbv-len=500
V_MPEG4/ISO/AVC, "G:\Output\dolby-digital-plus-lossless_1_2023-08-11@17_19_46_4510_02.264", fps=29.97, insertSEI, contSPS, ar=1:1 (Square), lang=eng
A_AC3, "G:\Output\iId_1_aid_0_lang_en_2023-08-11@17_19_46_4510_01.eac3", lang=eng
Seems like the '--blu-ray' does something else that is need for your setup.
Cu Selur
Ps.: also check if it changes anything if you use: https://www.videohelp.com/download/tsMux...2.6.15.zip