[Ffmpeg-devel] ffmpeg & postprocess_internal.h (colorspace issue)
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?
More information about the ffmpeg-devel