[FFmpeg-user] Question for FFmpeg-user list
seth.ansell at motional.com
Tue Aug 2 00:10:07 EEST 2022
Thank you for the info. Your advice is helpful.
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of Devin
Sent: Monday, August 1, 2022 4:47 PM
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] Question for FFmpeg-user list
On Sun, Jul 31, 2022 at 10:38 PM Seth Ansell <seth.ansell at motional.com>
> 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 first.
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
QKXu07wnr0ukqhX$ e: devin.heitmueller at ltnglobal.com
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