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Very slow speeds making MKV fils

Posted: Thu Oct 31, 2024 8:23 am
by Carlder3
Hi everyone,
I have some MKV files with more audio languages than i need. So i decided to deselect all the ones not needed...
Long story short remaking the MKV file take in some cases less than 30 min and in other cases over 30 hours.
(its not depanding on the length of the movie)

I dont get why this is the case!? I am running an M1 Max MacBook Pro with MacOS 15.1.
When making a MKV file from a backed up Blu Ray everything is going well and fast.

I tried running it from a usbc SSD to a NAS with helped a bit with read speeds but not for sure.

It feels like a bug or i am missen a terminal command or something. I search the forum here and google but nothing really fits my problem .
Hope someone can point me to the core problem. Thx for having me it my first post here :)

Re: Very slow speeds making MKV fils

Posted: Thu Nov 14, 2024 3:14 pm
by danryan28
Can you provide screen shots of your settings (especially IO settings)?

Also, screenshot of the drive info on the right side of the app after you open it.