[Ffmpeg-devel] ffmpeg & postprocess_internal.h (colorspace issue)

Marcus Engene ffmpeg
Mon Jul 25 10:47:24 CEST 2005

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?


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