[Ffmpeg-devel] ffmpeg & postprocess_internal.h (colorspace issue)
Mon Jul 25 11:06:35 CEST 2005
Marcus Engene wrote:
> Martin Boehme wrote:
>> Kris A. Wotipka wrote:
>>>> AFAIK this means yuv420p colorspace, but with the standard luma
>>>> range (16-234).
>>> To be honest, this line really helped me because it put me on the
>>> track of YUV.
>> Actually, (almost) all digital video codecs use the YUV colour space.
>> Reason being that it decorrelates the RGB components, and you can
>> reduce the bandwidth for the U and V components because the human
>> visual system isn't as sensitive to colour changes as it is to
>> luminance changes.
> An utterly silly question, would it solve Kris's problem by doing a
> vhook squeezing 0-255 into 16-234 or am I on snus again?
I guess so... but it would require programming.
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