It's not converting.. In it's still in a mkv package, but just named mks to denote that it only contains a subtitle. Download cleaver or gmkvextractgui to extract. Source: over 1 year ago

Grab the two files again, and use mkvcleaver or Inviska MKV Extract to rip the tracks that you want. Save them in a temporary folder. Source: almost 2 years ago

I don't want to undermine your effort here, but checkout Tdarr. Source: 6 months ago

You could use the GPU for distributed transcoding / ai stuff. https://home.tdarr.io/. Source: 11 months ago

Outside of that, if you're looking for better overall direct play compatibility, there are quite a few ways to reencode the video while keeping the original audio/subtitle tracks. E.g. In HandBrake, you can choose the 'XYZ Passthru' option on the audio tracks, and if you choose an MKV container, you can add all existing subtitle tracks without burning them in: https://i.imgur.com/3BAiGTS.gif. If you find yourself... Source: 12 months ago

The A2000 goes for about 250-290€, only uses 75W and has unlimited video encoding threads (as has the P2000), while the 3060 only has a max of 5 (locked by Nvidia). I have a P2000 in my Unraid system and it could do up to 14x 4k to 1080p transcodes... And that thing is from 2017. The A2000 has 1 generation newer ENC engine and 2 generations newer DEC engine. You could also use both cards perfectly with... Source: 12 months ago

The only problem I see here is that you haven't queued up enough work for all your parts. Can I introduce you to our Lord and Savior tdarr? https://home.tdarr.io/. Source: about 1 year ago