In addition, I am not sure if there are xdg standards for audio, but I would suggest video and follow similar hierarchies, and that both could be classed under a more generic xdg multimedia standard.
On Thu, 28 Mar 2024 at 18:48, salsaman <salsa...@gmail.com> wrote: > Hi, IMO hardware related would be more appropriate under display standards > Video standards could be more software related, and provide common > definitions, for example , allowing exchange of information between > applications which produce or consume video frames or streams of frames. > Some examples I can think of might be > xdg_colorspace_RGB, > xdg_colorspace_YUV > > xdg_pixfmt_RGB24 > xdg_pixfmt_YUV420p > etc > > xdg_gamma_linear > xdg_gamma_sRGB > > xdg_video_width > xdg_video_height > > I could provide a more full list, but I think if it goes along this > route. the starting point has to be what are we setting out to achieve with > the standards / definitions, and provide a range of speculative use cases. > > Gabriel (salsaman) > > > On Thu, 28 Mar 2024 at 06:07, Pekka Paalanen <pekka.paala...@haloniitty.fi> > wrote: > >> On Wed, 27 Mar 2024 11:45:00 -0300 >> salsaman <salsa...@gmail.com> wrote: >> >> > ISTR that the xdg video standards were never defined, If you need any >> > advice or assistance with this, I would be happy to act in an >> > advisory capacity if that is called for. I have over 20 years >> experience of >> > developing Free Software video and have been an active participant in >> > developing other video / effects standards. I have been a bit our of the >> > spotlight recently as I have been busy architecting and implementing the >> > core components of the upcoming next gen LiVES 4,0 video application >> plus >> > its accompanying state-of-the-art effects standard) >> >> Hi, >> >> what kind of video standards would that be? >> >> I'm wondering if it would have anything to do with Wayland color >> management and HDR: >> >> https://gitlab.freedesktop.org/pq/color-and-hdr >> >> https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/183 >> >> https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/14 >> >> Would there need to be any XDG standards to support color managed HDR >> desktops, or is the window system support enough? >> >> I have not much in my mind, but then I've been staring only at the >> window system interactions, and haven't seen what else the desktop >> ecosystem or applications might need. >> >> Recommended display calibration and measurement procedures maybe? >> >> Desktop viewing environment standards? >> >> Viewing environment measurement? >> >> They could be as straightforward as referring to a freely available >> ITU-R or SMPTE papers or others, if there are suitable ones. >> >> >> Thanks, >> pq >> >
