בתאריך 15 בדצמ 2017 17:54, "Todd Fischer" <todd.fischer@xxxxxxxxxxxx> כתב:
>
>
>>
>> Date: Thu, 14 Dec 2017 21:14:07 +0200
>> From: Ran Shalit <ranshalit@xxxxxxxxx>
>> To: Discussions specific to using GStreamer on embedded systems
>> <gstreamer-embedded@xxxxxxxxxxxxxxxxxxxxx>
>> Subject: Re: x11 and gstreamer compete on same display ?
>> Message-ID:
>> <CAJ2oMhJ4NmYkeMYvEABoan2G16+_5OkC8JcE8JOBDZEw7edSAw@xxxxxxxxxxxxxx>
>> Content-Type: text/plain; charset="UTF-8"
>>
>>
>> On Thu, Dec 14, 2017 at 8:25 PM, Todd Fischer <todd.fischer@xxxxxxxxxxxx> wrote:
>>>
>>>
>>>> On Dec 14, 2017, at 11:07 AM, Ran Shalit <ranshalit@xxxxxxxxx> wrote:
>>>>
>>>> Hello,
>>>>
>>>> I am using linux distro with x11.
>>>> We have some issue, that gstreamer is not displayed correctly with rtp.
>>>> We suspect that x11 and gstreamer compete on the display (becuase on
>>>> exiting the gstreamer process x11 is immeditely shown again).
>>>
>>>
>>> What is the pipeline you are using?
>>
>>
>> Hi,
>> This is the pipeline:
>>
>> gst-launch-1.0 -v udpsrc port=5000 caps = "application/x-rtp,
>> media=(string)video, clock-rate=(int)90000,
>> encoding-name=(string)RAW,width=(string)1280,height=(string)1024,
>> payload=(int)96,sampling=YCbCr-4:2:0" ! rtpvrawdepay ! imxg2dvideosink
>> use-vsync=true
>>
>>
>
> There are several other video sinks available for iMX6. I was trying to find a specific example for QT + GST on iMX6, but didn’t stumble across one. You might find some useful information at
>
> * http://developer.ridgerun.com/wiki/index.php?title=IMX6_GStreamer_Pipelines_-_SDK_Turrialba
> * http://developer.ridgerun.com/wiki/index.php?title=Getting_Started_Guide_for_RidgeRun_iMX6_Graphics-Server
I saw various distortions even in low resolutions and rates.
That is why I suspect that x11 terminal or ui is also writing or competing on the same framebuffer. Is that possible?
>
>>
>>>
>>> What system is running the pipeline?
>>>
>> imx6, yocto morti, x11 distro (there is also fb distro, which might be better?)
>>
>>> It sounds like the hardware that mixes the display and video windows isn’t configured as you would like. The easiest fix is likely to use a different video sink.
>>
>>
>> This is my assumption. That x11 and gstreamer are competing. when I
>> stop the pipeline I immediately see the GUI. even when I disabled
>> desktop manager with systemctl set-default multi-user.target ,
>> although I don't see the gnome environment, I keep see the xterm
>> terminal. So, I suspect that they compete, and that's why gstreamer
>> has difficulties. Yet, I am not sure, with simpler pipelines without
>> rtp, like videotstsrc, then it appears better on the screen.
>>
>>>
>>>>
>>>> Does it make sense ?
>>>>
>>>> Thank you,
>>>> Ran
>>>
>>>
>>> Todd
>>> RidgeRun
>>>
>>> _______________________________________________
>>> gstreamer-embedded mailing list
>>> gstreamer-embedded@xxxxxxxxxxxxxxxxxxxxx
>>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-embedded
>>
>>
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