blu-ray picture stretched

[Czcon1]

Happy Thanksgiving, I just started burning mkv files to blu-ray disc to watch on my stand alone blu-ray player. My problem is when I use TSmuxer then burn, it stretches the video vertically. I think the problem is that the video is 1920x800 then it gets burned at 1920x1080 because it's full screen. Can anyone let me know how to fix this or point me in the right direction.
Thanks

[Baldrick]

You must reconvert. Uncropmkv can easily do it.

[Czcon1]

You must reconvert. Uncropmkv can easily do it.

So after I put it through TSmuxer I reconvert it in Uncropmkv then burn?

[Baldrick]

First uncropmkv and then tsmuxer.


Or use bdtoavchd. It should reconvert and make a bluray directly.

[Czcon1]

First uncropmkv and then tsmuxer.


Or use bdtoavchd. It should reconvert and make a bluray directly.

Not to sure how to use uncropmkv but I'm giving it a try,