So, I slightly modified Windows version of thdmerge.<div><br></div><div>in theory it should prepare thd (trueHD) file for blu-ray muxing. </div><div><br></div><div>make file.thd and file.ac3 with ffmpeg</div><div><br></div><div>$ ffmpeg -i ~/vid_20210526.mp4 -vn -c:a ac3 b.ac3</div><div>$ ffmpeg -i ~/vid_20210526.mp4 -vn -c:a truehd -strict -2 a.thd</div><div><br></div><div>compile</div><div>gcc -o thdmerge thdmerge.cpp</div><div>run</div><div><br></div><div>./thdmerge a.thd b.ac3 full.thd+ac3</div><div><br></div><div>try to mux this resulting file with tsmuxer</div><div><br></div><div><br></div>