![]() For Mockingjay Part 1 there are 550 segment lists on the disk, 519 of these are the length of the movie.Ī) All the movie length lists start with the same segment: 519Ĭ) There are only 20 chunks in each segment list, and we already know 2 of them. ![]() It turns out that “,26,” is unique enough to grab all of the segment lists. Isolate the segment lists from /tmp/xx.txt. Makemkvcon - r info dev : / dev / sr0 > / tmp / xx. Use MakeMKVcon to dump info to a text file Recently I came across a way to use MakeMKV to do the full process, again thanks to a MakeMKV forum post. I struck out here as I didn’t have a Windows machine with the right software combination, and it seems I wasn’t able to get Ubuntu to natively play back a bluray either. The MakeMKV forum has a post about using PowerDVD and Process monitor to figure this out. It’s much better to figure it out for the disk you have. It turns out that there are multiple versions of the movie: rental, US release, Canadian release, etc. If you got digging around, you can find advice on which of the many to pick from the list. Initially I naively picked the 1st and used that one, but upon watching the movie it was obvious there was 1 scene out of place, and thus two weird jump cuts to the flow of the movie. It seems that all but one of these titles has things shuffled in the wrong order. Starting with Catching Fire the bluray shows you 100’s of feature length titles – all the same duration, but with different segment maps. When I got to the Hunger Games series, things got a bit more interesting. With MakeMKV that selection is more manual, but picking 1 title from a list of 10 isn’t all that hard. Handbrake will automatically select the longest video, and that’s almost always the actual movie itself. MakeMKV is how I rip bluray disks, then feed the resulting rip into Handbrake to compress it down. Handbrake is great for dealing with DVDs. This gives me a Netflix like viewing experience, but for my own personal movie collection. I still have a large collection, but have been slowly converting it to be hosted on my Plex server. (You don't need to search an entire volume, as that command will work with any file or directory the fewer files it has to search for, the faster it'll run.Before streaming was the primary way to get new content, I collected a lot of movies on DVD / bluray. ![]() It includes only files your user has permission for, so you may want to prefix it with sudo, to run it as root.īy default it lists the command name, process ID, username, file descriptor number, device numbers, file size, node number, and filename - but there are options to show other info. (Type man lsof to see info on all the various options.) The command name is probably the most useful item here though if that's not enough, you can note down the process ID and look that up in ps or the Activity Monitor app. It can take a very long time to run (as it has to list all files on the given volume and then search for processes using any of them). ‘lsof’ stands for ‘list open files’, and lists information on files opened by processes. If you're comfortable with the command line, you can open a Terminal window and use a command like: lsof +D /Volumes/ How can I find out what program is trying to access discs in my optical drive? ![]() So it seems that something is accessing my external USB optical drives even when I'm not using any software to do this. I've had this happen before, where I have discs in either drive, usually DVDs or BDs, and I hear movement in the drive even when I haven't been using any software to access that drive for hours or even a day or more. It's no longer making noise, but the access LED on the drive is still flashing. But I still heard a fair amount of activity from the drive. On reboot the OS recognized the BD in the drive and it came up in Finder. (I remember at one point I found a way to still eject it, but I was unable to use that drive to read anything until I rebooted because the OS still saw it as in use.) I rebooted. I tried to eject the BD, but Disk Utilities would not because it was in use. Recently I had an issue with reading a BD with MakeMKV and had to force-quit MakeMKV. I have two external USB optical drives, both burners, one that will work with DVDs and CDs, the other that will also handle BDs (Blu-ray Discs). ![]()
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