Hi eugen, many thanks for your answers. > As said, you can force libswscale to use yuv444p > as intermediate format which makes conversion > slower which is often undesired.
Can you please tell me how? Is it a flag? Gr Markus On Thu, Aug 21, 2014 at 1:45 PM, Carl Eugen Hoyos <[email protected]> wrote: > Markus Pfundstein <markuspfundstein86@...> writes: > > > some conversions use yuv420p as> intermediate format > > (this is what is generally needed> for video). It is > > possible to use yuv444p instead, at> least for some > > conversions. > > > > If yuv420p is used as an intermediate format, > > wouldnt that result into heavy information loss? > > As said, you can force libswscale to use yuv444p > as intermediate format which makes conversion > slower which is often undesired. > > [...] > > > Assume I want to convert from rgb fullrange to > > yuv444 BT709. > > In this case, no intermediate colour space should > be used. > > [...] > > > This is something I would like to know from the > > swscale developer. Are there 16bit paths or is > > the conversion done via 8bit? > > As said, if you find that a 16bit path is missing, > please explain how I can reproduce this. > > Carl Eugen > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user >
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