Since I was reminded by seeing the libv4l update in changelog: I just
thought I'd bump this again in case anyone has a clue!
On 2017/03/05 22:57, Stuart Henderson wrote:
> On 2017/03/05 22:35, Stuart Henderson wrote:
> > On 2017/03/05 23:11, Mihai Popescu wrote:
> > > On Sun, Mar 5, 2017 at 10:41 PM, Stuart Henderson <s...@spacehopper.org>
> > > wrote:
> > > > On 2017/03/05 18:53, Mihai Popescu wrote:
> > > >> Hello,
> > > >>
> > > >> I am running the latest snapshot, but since a few snapshots ago ( i
> > > >> don't recall which ) some application using camera are displaying only
> > > >> vertical lines gradients.
> > > >>
> > > >> I use mainly baresip, then I checked with mpv and mplayer. Mpv and
> > > >> baresip are showing that vertical lines gradient, mplayer is working
> > > >> ok.
> > > >>
> > > >> I don't know where the problem lies, v4l or gstreamer. I will send
> > > >> some info:
> > > >
> > > > Presumably video(1) still works?
> > > >
> > > > I wonder if it might be something to do with the llvm/clang update.
> > >
> > > Yes, video works. I had no idea about this utility, but it is nice.
> >
> > I just dug out my uvideo to try. Fun, with mpv it looks something like a
> > section through the rings of Saturn. I've just tried it with FFmpeg compiled
> > using the older version of LLVM/Clang but no difference there. Not sure what
> > to try next but I can definitely replicate it.
> >
>
> ...also, it's fine with "ffplay -f video4linux2 /dev/video0" from FFmpeg;
> which does use libv4l.
>
> Things I've tried which are failing:
>
> mpv (as above)
>
> vlc (open capture device, video camera, /dev/video0) - crashes often with
> a segfault but when it did work I had an interlaced picture with some
> repetition
>
> gstreamer-1.0 ("gst-launch-1.0 v4l2src \! xvimagesink") - also interlaced with
> some repetition, but a bit different to vlc
>
> So there's a mixture of Gtk and Qt and SDL things in the list of failures..
>
