[x264-devel] Codec usage with image sequence

Loren Merritt lorenm at u.washington.edu
Fri Feb 20 01:51:32 CET 2009


On Thu, 19 Feb 2009, Georg Lippitsch wrote:

> BTW, are there any plans to bring back a color space conversion utility to
> x264?

No.

> The reason why it should be in the video encoder IMHO is that location of
> chroma samples is specified in the h.264 specs. Different codecs like MPEG2,
> JPEG or DV place chroma samples on different locations, so resampling to 
> the correct position is actually the encoder's business.

H.264 does not specify which chroma location to use, instead it 
allows a stream to pick one and say which. See x264 --chromaloc, or 
chroma_sample_loc_type in the standard.

--Loren Merritt


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