Re: [FFmpeg-devel] [RFC] swscale dithering

2025-04-04 Thread Niklas Haas
On Mon, 24 Mar 2025 21:04:46 +0100 Michael Niedermayer wrote: > Hi Niklas > > On Mon, Mar 24, 2025 at 01:43:19PM +0100, Niklas Haas wrote: > > Hi all, > > > > As part of my ongoing swscale rewrite, we have both the opportunity and the > > need to make a central decision about how to apply round

Re: [FFmpeg-devel] [RFC] swscale dithering

2025-03-28 Thread Michael Niedermayer
On Tue, Mar 25, 2025 at 02:59:25AM +0100, Niklas Haas wrote: > On Mon, 24 Mar 2025 21:04:46 +0100 Michael Niedermayer > wrote: > > Hi Niklas > > > > On Mon, Mar 24, 2025 at 01:43:19PM +0100, Niklas Haas wrote: > > > Hi all, > > > > > > As part of my ongoing swscale rewrite, we have both the opp

Re: [FFmpeg-devel] [RFC] swscale dithering

2025-03-24 Thread Michael Niedermayer
Hi Niklas On Mon, Mar 24, 2025 at 01:43:19PM +0100, Niklas Haas wrote: > Hi all, > > As part of my ongoing swscale rewrite, we have both the opportunity and the > need to make a central decision about how to apply rounding and/or dithering. > > Some particular cases I want to point out and gathe

[FFmpeg-devel] [RFC] swscale dithering

2025-03-24 Thread Niklas Haas
Hi all, As part of my ongoing swscale rewrite, we have both the opportunity and the need to make a central decision about how to apply rounding and/or dithering. Some particular cases I want to point out and gather feedback on include: 1. Should we dither and/or accurately round when scaling up