Faulty file when using the 'faststart' option in Muxer

Hi, I get faulty file that doesn't open, when using NVENC and setting faststart to true in MP4 container in Voukoder Pro.

Sure, everything's inside. When faststart (movflags 64) is enabled in the MP4 muxer, the resulting file is unreadable. The same file processed with standalone FFmpeg (-movflags +faststart) works fine. Maybe the post-processing step to move the moov atom is failing or corrupting the file.

Sorry, mate, I'm here to report only. It will only take a minute for you to test: Muxer Properties > MP4 > Faststart=true, if the rendered file actually plays back – congratulations, you've fixed it. I'll be upgrading my Voukoder to a newer version, once the adjustable NVENC codec tag is implemented. Otherwise it's all good, don't wanna mess up anything in my current workflow.