- From: Chris Lilley <chris@w3.org>
- Date: Fri, 3 Jan 2025 20:11:58 -0500
- To: jbowler@acm.org, "Seeger, Chris (NBCUniversal)" <Chris.Seeger@nbcuni.com>
- Cc: "Chris Blume (ProgramMax)" <programmax@gmail.com>, "Portable Network Graphics (PNG) Working Group" <public-png@w3.org>
I agree with John that delaying cLLI and mDCV would be unfortunate and produce breakage. On 2025-01-03 15:59, John Bowler wrote: > It's trivial for me to implement those chunks and both are pretty much > essential for producing correct test files, cLLI for PQ encoding with > sRGB data (which would come out very dark without cLLI since the PQ > 1.0 corresponds to 2000cd/m2; this is assuming I understand H273). > mDCV when data with a different white point is encoded in a colour > space, particular colour space 10 (SMPTE ST 428-1). Without those > chunks the display will be confusing in a conformant decoder; bad for > testing. -- Chris Lilley @svgeesus Technical Director @ W3C W3C Strategy Team, Core Web Design W3C Architecture & Technology Team, Core Web & Media
Received on Saturday, 4 January 2025 01:11:59 UTC