On Saturday, November 27, 2021, Terje J. Hanssen via Cin <cin@lists.cinelerra-gg.org> wrote:

And to list the libbluray-tools:

rpm -ql libbluray-tools
/usr/bin/bd_info
/usr/bin/bd_list_titles
/usr/bin/bd_splice


A fourth tool, "bluray_info" used in the Gentoo article, I didn't packaged for Leap i.e as rpm, and I didn't succeed to compile and install it using "Linux" procedure in the tar install file. So tip here is welcome ;)

hm, it requires libbluray - not packaged for termux, adventure continued} 

In your case be sure you have -dev/-devel packages for libbluray

http://bluray.beandog.org/bluray_info/
https://sourceforge.net/projects/bluray-info/