I’ve been messing around trying to make a live-CD with some transcoding/ripping utilities built in to utilize some of the spare hardware I’ve got lying around. More on this later, but I’ve been reworking the guide @ http://willhaley.com/blog/create-a-custom-debian-live-environment/ with my own utilities and tools.
One problem I’ve been challenged with over the last couple of days is HandBrake-Cli bombing out with the message:
[email protected]:/mnt/Videos/Movies/dvdrip/91# HandBrakeCLI -i BHD.iso -o BHD.mkv –preset=”High Profile”
[20:41:41] hb_init: starting libhb thread
HandBrake 0.9.9 (2014070200) – Linux x86_64 – http://handbrake.fr
4 CPUs detected
Opening BHD.iso…
[20:41:41] hb_scan: path=BHD.iso, title_index=1
index_parse.c:191: indx_parse(): error opening BHD.iso/BDMV/index.bdmv
index_parse.c:191: indx_parse(): error opening BHD.iso/BDMV/BACKUP/index.bdmv
bluray.c:2341: nav_get_title_list(BHD.iso) failed
[20:41:42] bd: not a bd – trying as a stream/file instead
libdvdnav: Using dvdnav version 4.1.3
libdvdread: Missing symbols in libdvdcss.so.2, this shouldn’t happen !
libdvdread: Using libdvdcss version for DVD access
Segmentation fault
This has been bugging me, as it worked before I converted the image to a livecd. I wondered if it was some kind of problem with the lack of ‘real’ disk space, or a lack of memory or something like that, but nothing I could find would identify it.
Finally, I started looking into libdvdcss rather than HandBrake itself. I think what confused me is the symbols error looks like a warning, especially given that there is a follow-on message which looks like libdvdcss is continuing. Anyway, eventually! I ran an md5sum on the libdvdcss.so.2 file to see if it matched a non-live machine (to a virtually identical build).
[email protected]:/# md5sum /usr/lib/x86_64-linux-gnu/libdvdcss.so.2
4702028ab20843fd5cb1e9ca4b720a72 /usr/lib/x86_64-linux-gnu/libdvdcss.so.2
N.b. libdvdcss.so.2 is symlinked to libdvdcss.so.2.1.0 in my current Debian sid based build.
On the donor machine
[email protected]:/usr/lib# md5sum x86_64-linux-gnu/libdvdcss.so.2
c9b314d9ed2688223c427bc5e5a39e6f x86_64-linux-gnu/libdvdcss.so.2
Hope this helps someone, and I’ll be back soon with more details about building a live image, then booting it using iPXE.
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