2010/1/31 Reimar D?ffinger <Reimar.Doeffinger at gmx.de>: > On Sun, Jan 31, 2010 at 03:42:20PM +0100, Reimar D?ffinger wrote: >> On Sun, Jan 31, 2010 at 03:02:02PM +0100, Giorgio wrote: >> > 2010/1/31 Reimar D?ffinger <Reimar.Doeffinger at gmx.de>: >> > > On Sat, Jan 30, 2010 at 11:02:43PM +0100, Giorgio wrote: >> > >> I've noticed that when I play a file or watch tv using -vo gl, if I >> > >> press the '1' key and >> > >> keep it pressed until the image goes dark and the cursor on the OSD >> > >> move to its lowest >> > >> value, MPlayer crashes. Example: >> > > >> > > Two solutions: >> > > 1) Let OpenGL do it, use e.g. -vo gl:yuv=2 >> > >> > This solution works great, but the result is somewhat different, >> > here's a screenshot of the image when the contrast is set to minimum: >> > http://imagebin.ca/view/FqPE1hSN.html >> >> Hm, yes. I admit I considered it more correct, but to be honest I don't know. >> With that one contrast really only reduces contrast, the other one also >> decreases brightness (3) and saturation (7). > > Or easier to test: > -contrast -50 -brightness -25 -saturation -50 -vo gl:yuv=2 > should be mostly the same as > -contrast -50 -vo gl > I don't like the behaviour of the later since it makes it impossible to > get the effect your screenshot shows, but I don't mind adapting behviour > (possibly even configurable) if I get a better idea of what people like > and expect. I'm by no means an expert on this subject (I'll have to read something about it), but I find the behaviour of contrast when using -vo gl:yuv=2 to be the correct one. Plus, other programs I've tried behave in the same way. So, as far as I'm concerned, it might be useful to change how contrast works when using -vo gl. Of course, I'd like to hear what others think about this as well. Giorgio Vazzana
