Dan Dennedy

The flatpak uses the MLT git master from the date of the build. So, the big difference between what you are testing and myself is Qt version. The v18.11.18 flatpak...

It is not clear if you want interlace or progressive output from this description. When I run your ffmpeg command line it says the output is progressive: ``` Metadata: encoder...

You are confused by judging the quality of interlaced video output using a media player that does some form of deinterlacing. Shotcut does output interlace if you request that. Check...

I reproduced the problem by opening `BUG 50i color YUY2.avi` in shotcut and exporting that as interlaced. Then, open the result and use Properties > Convert > Advanced > Deinterlace....

This might be occurring because the pixel format conversions are not isolating between fields such as `-vf scale=interl=1` does. I wonder what that does in the original post's ffmpeg command...

I don't know; it doesn't happen to me. Some things to try: - reboot - reinstall - reinstall using the installer check box to remove shotcut's settings from the registry...

I do not reproduce it. What build or package are you using? In other words, how did you install and launch it?

Are you dragging one or multiple files? Is the timeline blank or already have something?

OK, thanks. I just test some more using this info and could not reproduce it yet. I am on Ubuntu 20.04. We will see if others report it. As a...

Hmm, I would not suspect the Ubuntu version makes a difference as our snap and binaries include many of the dependencies including Qt. If you want to try to help...