[FFmpeg-user] dvd2concat.pl fails with lsdvd's "Couldn't read enough bytes for title." message

Nicolas George george at nsup.org
Fri May 11 12:30:54 EEST 2018


桃源老師 (2018-05-11):
> I recently noticed the existence of dvd concat tool named "dvd2concat.pl".
> I installed the following dependency to my macOS environment to use this tool.
> libdvdcss-1.4.2
> libdvdread-6.0.0
> lsdvd-0.17
> Then run the command like the below and get the answer:
> $ $ ./dvd2concat.pl /Volumes/DVD_VIDEO/ > test.vob
> libdvdread: Attempting to use device /dev/rdisk13 mounted on /Volumes/DVD_VIDEO for CSS authentication
> Couldn't read enough bytes for title.
> Using longest title 1
> I tested several DVD, both CSS encrypted and not encrypted, the result are same.
> I found Nicolas-san answered to similar issue on 2014.  He requested
> the out put of "lsdvd -Op -x /dev/loop0"? in that mail. So here's
> similar output.

The output you are seeing are harmless diagnosis. You neglected to say
what problem you are experiencing. It seems dvd2concat is doing its job.


  Nicolas George
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