[yocto] x11 and gstreamer compete on same display ?

[Khem Raj]

On 12/15/17 9:39 AM, Ran Shalit wrote:
> Hello,
> 
> I use yocto x11 distro, and it works well with various application
> including qt5.
> On trying to use gstreamer, it seems that it does not function OK, I
> first suspected that it only has to do with high resolution, but now
> it seems that various distortions happens only in low resolution.
> 
> I suspect that x11 output compete with gstreamer output.
> I think that maybe most of embedded applications which use gstreamer
> probably used fb disro instead of x11 distro, and maybe that can
> explain why I did not find any information of this issue in internet.
> 
> I also see that when I stop the gstreamer pipeline , then x11 always pop in.
> I tried to disable x11 with:
> systemctl set-default multi-user.target
> 
> It seems to work find, but the xterm terminal show on the hdmi, and
> trying to kill it won't help.
> So, I guess that I better move to distro fb instead of distro x11.
> 
> I would like to ask if my suspicion sound reasonable, and if both x11
> and gstreamer compete on the same display ?

x11 would compose the output, so you might want to use that to display
video, do you have GStreamer plugins for X11 video output installed.

> 
> I use yocto morti with imx6.
> 
> Best Regards.
> Ran
>