[FFmpeg-user] Requesting colormatrix advice

Devin Heitmueller devin.heitmueller at ltnglobal.com
Mon Nov 6 16:16:32 EET 2023

On Sun, Nov 5, 2023 at 10:42 PM <markfilipak.imdb at gmail.com> wrote:
> Hello All,
> I have a 1990s TV show -- called 'SOURCE' here -- made by Paramount. The show was renowned for its
> production values. It's on Blu-ray from Paramount. The Blu-ray was made in 2012 (may be a clue to a
> colorspace variant used).

If it is standard definition and from the 1990's then the original
content is almost certainly in BT.601.  Now if you're referring to the
BluRay remaster, then who knows what they did.  If done properly I
would expect them to convert the colorspace to BT.709, but it's
possible they simply upscaled it without any colorspace conversion.

Because you don't have any reference pattern in the video (e.g. SMPTE
colorbars), you'll likely just have to render it in a couple of
different combinations, put them side-by-side, and pick the one that
looks the best.


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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