autovideosink does not work in native Windows machine for RTP stream but works in VM

[Mailing List SVR]

Il 19/01/21 08:46, Rigamonti Roberto ha scritto:
> Dear Nicola,
>
>
> We've just done the test and you're right, that solved the issue! :)

Hi,

I guess this commit could help

https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=46c577222d4577f65914370007052fe22ea080a4

Nicola

>
> Thanks a lot for your help!!
>
>
> Rob
>
> ________________________________
> De : gstreamer-devel <gstreamer-devel-bounces at lists.freedesktop.org> de la part de Mailing List SVR <lists at svrinformatica.it>
> Envoyé : mardi, 12 janvier 2021 11:13:34
> À : gstreamer-devel at lists.freedesktop.org
> Objet : Re: autovideosink does not work in native Windows machine for RTP stream but works in VM
>
> Hi,
>
> this seems an issue with the hw decoder, please try something like this:
>
> ..... ! h265parse ! avdec_h265 ! autovideosink
>
> or specify manually the video sink too.
>
> This will use more CPU since it will use a sw decoder,
>
> regards
> Nicola
>
>
> Il 12/01/21 10:14, Rigamonti Roberto ha scritto:
>> Dear Tim,
>>
>>
>> I've managed to do the tests you've suggested (sorry for the delay, but the emitter is remote (>300km) and I have to wait for someone to turn it on for me...).
>>
>> Using queue after udpsrc this is what I get: https://ibb.co/hBntcxg
>>
>> Increasing the debug level, I get:
>>
>> https://ibb.co/s5kcfFj
>> https://ibb.co/2F5KvD3
>> When using an rtpjitterbuffer, things seem to improve a bit (in the sense that at least gstreamer does not halt), but I'm still unable to get any image :(
>> https://ibb.co/MPqF2kN
>> https://ibb.co/18s8NMq
>> https://ibb.co/0nG2n5W
>> Do you have any further test I could try?
>> Thanks a lot in advance and have a nice day!
>> Rob
>>
>> ________________________________
>> De : gstreamer-devel <gstreamer-devel-bounces at lists.freedesktop.org> de la part de Tim Müller <tim at centricular.com>
>> Envoyé : vendredi, 8 janvier 2021 13:42:39
>> À : Discussion of the development of and with GStreamer
>> Objet : Re: autovideosink does not work in native Windows machine for RTP stream but works in VM
>>
>> On Fri, 2021-01-08 at 10:43 +0000, Rigamonti Roberto wrote:
>>
>> Hi,
>>
>>> even Gstreamer works perfectly when saving
>>> the stream to file with the command:
>>>
>>> gst-launch-1.0 -e udpsrc port=5000 ! "application/x-rtp, encoding-
>>> name=H265, payload=96" ! rtph265depay ! h265parse ! mp4mux ! filesink
>>> location=DST_FILENAME.mp4
>>>
>>> instead of showing it on the screen.
>> What do you mean by "works perfectly" here? That it doesn't complain or
>> error out, or that the resulting mp4 file plays just fine afterwards?
>>
>> It appears there's a problem with packet loss or reordered packets
>> here. Maybe nvh265dec has a start-up delay that blocks the udpsrc for a
>> bit too long (that's just speculation).
>>
>> Have you tried putting a queue after udpsrc, like
>>
>>    udpsrc ! queue max-size-time=0 max-size-buffers=0 max-size-bytes=0
>>
>> or even better an rtpjitterbuffer like
>>
>>    udpsrc ! rtpjitterbuffer latency=100 ! ..
>>
>> Cheers
>>    Tim
>>
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