I have some reference material in .mkv container (h.264 codec) that I’d like to get into Flame with highest quality. Any way to right the 264 stream out of the mkv and not have to re-transcode it?
macOS
ffmpeg -i input.mkv -c copy output.mp4
mkvtools is the official tool to extract / add streams to mkv files without transcode. It’s availaible for windows, and a lot of linux distros, via repos, including rmp for redhat, or appimages, flatpack… For mac there is some unnoficial repo in homebrew.
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VLC can do a wrapper change (mkv>mp4) without re-encoding.
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I believe Shutter does a re-wrap as well.
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