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 <[email protected]> wrote: > On Wed, 27 Mar 2024 11:45:00 -0300 > salsaman <[email protected]> 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 >
