www.makemkv.com

This bugged me too. The attached patch fixes it.

I have tested the patch and can confirm that this gets blurays working in kodi 18, but I see two issues. Defunct instances of makemkvcon hang around. Also, the patch breaks bluray playback with mpv, and probably with other applications that use the older libbluray api, ie not bd_open_files(). Still ...

Assuming that playback does work as it is, I think team Kodi would be more amenable to a patch that basically says, if (has_libmmbd) use bd_open_disc else use bd_open_files libbluray does a similar check we could pull code from, and it defaults to libmmbd when present. So this patch wouldn't alter t...

More information. It seems that libaacs allows and still functions with a NULL device path passed to aacs_open_device(). With libmmbd, aacs_open_device() requires a valid non-NULL device path. The NULL device path initiates in libbluray/bluray.c/bd_open_files(), which calls _bd_open with the NULL pa...

I also am getting the same segfault using kodi 18 + makemkv. It seems that kodi 18 has added a call to bd_open_files from libbluray, which was not present in kodi 17. This was added in commit https://github.com/xbmc/xbmc/commit/25d755c0365b2699161bc303bd55afae895fc2ec . The stack trace (attached) le...