Re: UdpSrc: streaming stopped, reason not-negotiated (-4)

Jochen Jung via gstreamer-devel <[email protected]>
Newsgroups gmane.comp.video.gstreamer.devel
Message-ID <CALv4NJE+z-0yGu9uHmN+YLH5CYZLU+R0b3YxnzOX0NT_fKDPuw@mail.gmail.com>
Hello Bruce,


Thanks for your reply. Demultiplexing on the receiving end did the trick.
I'm using a "rtpptdemux" now instead of the "tee". The pads are added
dynamically and linked in the callback.

Thanks again for the tipp!


Regards Jochen Jung

On Thu, Aug 17, 2023 at 10:38 PM Bruce Clay via gstreamer-devel <
[email protected]> wrote:

> Although UDP is connectionless I don't think you can have two apps /
> streams going to the same port.  The data needs to be multiplexed on the
> source end then demultiplexed on the receiving end
>
> On Thu, Aug 17, 2023 at 10:42 AM Jochen Jung via gstreamer-devel <
> [email protected]> wrote:
>
>> Hello gstreamer developers,
>>
>>
>> I have a problem with the UdpSrc. My application is supposed to process
>> live audio(i.e. PCMU) and dtmf(TELEPHONE-EVENT). Both are rtp messages sent
>> to the same port.
>>
>> With debug enabled the UdpSrc posts a warning: streaming stopped, reason
>> not-negotiated (-4).
>>
>> I have my pipeline converted from dot to pdf and attached to this mail.
>>
>> Is it even possible to use the UdpSrc this way, having caps of pcmu and
>> telephone event?
>> Is my general concept to process audio/dtmf correct?
>>
>> Any ideas are appreciated.
>>
>>
>> Regards Jochen Jung
>>
>
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.