[FFmpeg-user] Question for FFmpeg-user list

Devin Heitmueller devin.heitmueller at ltnglobal.com
Mon Aug 1 23:46:56 EEST 2022

On Sun, Jul 31, 2022 at 10:38 PM Seth Ansell <seth.ansell at motional.com> wrote:
> Thank you James.
> I will try that out and let you know how it works.

Bear in mind there's a real possibility the manufacturer is simply
wrong.  Most of the chipsets out there which deliver ITU 601 data will
do UYVY, not VYUY.  It's entirely possible the vendor's intent was to
make clear that the chroma comes before luma (i.e. UYVY as opposed to
YUYV), and their explanation was incorrect in suggesting the V came

It's trivial to tell just by looking at some video.  If the video is
green/purple then the luma and chroma are reversed (i.e. YUYV treated
as YUVY).  If you look at the video and people's skin is blue, then
that means the two chroma channels are reversed.


Devin Heitmueller, Senior Software Engineer
LTN Global Communications
o: +1 (301) 363-1001
w: https://ltnglobal.com  e: devin.heitmueller at ltnglobal.com

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