Mike Frisch (mfrisch@xxxxxxxxxx): > > This whole issue of field-orientation is a messy business, and this effect > > does depend on whether the original video is field-based. Often its > > frame-based, like film - in which case these problems aren't so obvious. > > I presume this is a non-issue if I was to use a progressive scan capable > television set? You'd still get judder. > Many HTPC users have their PCs connected directly to front projectors > (using a progressive scan mode) and do not complain of these problems, > so I presume it's simply an issue of an interlaced display. Because everything they output is progressive, so they have to deinterlace. And most reasonable Windows apps for high quality video sync to the vertical refresh which is difficult under Linux (for example, dScaler does). > > I just put up with this at the moment - but more power to Billy with > > efforts to fix it properly. Though my approach would probably be to > > work on XVideo to provide a hook into the physical VSYNC. > > Sounds like this is a non-trivial update to the X server. Yeah, which needs more discussion as to what best to do. I wish more developers were interested in it. -- Billy Biggs vektor@xxxxxxxxxxxx
