[Libav-user] Question with encoding RGB frames into video stream

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Mar 8 08:14:43 CET 2012

吴沁凡 <wuqinfan at ...> writes:

> What is the difference between YUV420P and YUVJ420P?

YUV420P uses MPEG intensity, meaningful values are from 16 to 239 
(16 is as black as 0, 239 as white as 255), YUVJ420P uses values 
from 0 to 255.

Carl Eugen

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