SRT persistency

[scerveau]

Hello Miguel,


Happy that this MR could help you with your scenario.


Regarding your suggestion, I would say that the caller by definition 
should exit if the connection can not be established, otherwise you 
should use the listener option.


Regards.


Stéphane


On 5/17/22 11:34, Miguel Leão via gstreamer-devel wrote:
> Hello Stéphane,
>
> That seems to be what I need, I will give it a try and get back to you 
> later. Thank you very much!
>
> In the meantime I am also having troubles with the srtsink, and maybe 
> you can help me. I think that there's a bug in the srtsink element, as 
> it should not be writing to the buffer if there's no session 
> established (in SRT the buffer timestamps are attributed according to 
> the session "timestamp").
>
> So for example, if I have a pipeline like this:
> gst-launch-1.0 videotestsrc ! videoconvert ! x265enc tune=zerolatency 
> ! queue ! h265parse config-interval=-1 ! mpegtsmux alignment=7 
> latency=0 ! srtsink uri="srt://127.0.0.1:7000?mode=caller" latency=125 
> wait-for-connection=false async=false
> and there's no srtsrc active, this pipeline will crash because it's 
> trying to write to the buffer without establishing the session.
>
> In my opinion, the element should discard the buffers until it 
> establishes a connection.
>
> Do you know if someone has addressed this issue?
>
> Thanks in advance.
> Regards,
> Miguel
> ------------------------------------------------------------------------
> *From:* gstreamer-devel 
> <gstreamer-devel-bounces at lists.freedesktop.org> on behalf of scerveau 
> via gstreamer-devel <gstreamer-devel at lists.freedesktop.org>
> *Sent:* Monday, May 16, 2022 4:40 PM
> *To:* Miguel Leão via gstreamer-devel 
> <gstreamer-devel at lists.freedesktop.org>
> *Cc:* scerveau <scerveau at gmail.com>
> *Subject:* Re: SRT persistency
>
> Hello Miguel,
>
>
> There is a pending merge request about this topic.
>
>
> https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/967 
> <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/967>
>
>
> You can give it a try and let know if this is addressing your issue.
>
>
> Regards.
>
>
> Stéphane.
>
>
> On 5/2/22 16:33, Miguel Leão via gstreamer-devel wrote:
>> Hello,
>>
>> I am developing SRT pipelines, and I want to be able to stop the 
>> signal that is being sent to the pipeline and restart it. The problem 
>> is, when the signal is turned off the srtsink sends an EOS signal to 
>> the pipeline shutting it down. Is there any way to circumvent this or 
>> is this behaviour standard?
>>
>> Thanks in advance,
>> Miguel
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