Convert Dolby Vision to MKV

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So....two things. First off, there's not really enough info to diagnose the issue here. Are you experiencing green or purple hues? That indicates a DV metadata reading issue, which could be related to a few issues, but likely one in particular -- to the point that MP4 is coming back into vogue for DV fanatics. Or is it a playback error? In that case, it's time for a good old-fashioned log hunt and you probably want to post your logs or a snippet after you recreate the issue.

Second, wondering if this has to do with the DV profile issues that have been plaguing folks for forever? I don't believe the most recent server update resolved any of them. The fix? Use DV in MP4 containers or have media with HDR/HDR10 fallback metadata.

Okay, maybe three things. Depending on your version of ffmpeg, most current releases aren't capable of transferring DolbyVision metadata during encoding. I'm not sure about 6+ or custom-built versions, but the docs don't seem to have anything and all the help I've been able to find has wild, circuitous workarounds just like it always has.