[FFmpeg-user] LLossless (10 Bit RGB 444) and (10 Bit YUV 422) Compression
jasonslife at hotmail.com
Sun Jan 4 19:55:59 CET 2015
> Subject: Re: [FFmpeg-user] LLossless (10 Bit RGB 444) and (10 Bit YUV 422) Compression
> Jason Freets <jasonslife <at> hotmail.com> writes:
> > I wouldn't use FFmpeg if I didn't trust it =). For
> > v210, I've proven it to myself and use FFV1 a lot.
> > For r10k, it's still not there yet.
> I should add here that while ffv1 is a complicated
> codec, r10k (like v210) is so trivial that you can
> be sure there is no issue after a short test.
> (I don't know how to prove that ffv1 does what you
> want, I don't even know if it can be proven.)
> > Making progress though. For this reason, I keep
> > everything in original r10k format. I won't
> > convert r10k files to FFV1 until I have a way to
> > verify the conversion is done properly.
> I showed you a way.
When running the following:
ffmpeg -i r10kToFFV.avi -pix_fmt gbrp10le -vcodec r10k -c:a copy FFVTor10k.avi -f framemd5 -an FFVTor10k.framemd5
ffmpeg -i "FFVTor10k.avi" -f framemd5 output.framemd5
Why is "FFVTor10k.framemd5" not the same as "output.framemd5"? I would expect both "FFVTor10k.framemd5" and "output.framemd5" to be equal. Yet, they are not.
> Carl Eugen
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> ffmpeg-user at ffmpeg.org
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