[asterisk-dev] ASTERISK-29655 Fixing one-way video stream state (pjsip)

[Joshua C. Colp]

On Wed, Mar 23, 2022 at 6:34 AM Fridrich Maximilian <M.Fridrich at commend.com>
wrote:

<snip>


> I have a feeling that some stream states are mixed up which causes the
> streams
>
> to be set on hold (inactive) during SDP negotiation.
>
>
>
> Generally any information on this issue is appreciated as I am not fully
>
> familiar with all of the details of how the SDP negotiation happens in
>
> Asterisk.
>

The Asterisk PJSIP implementation negotiates some, and produces a local
SDP. PJSIP (well - pjmedia) has an SDP negotiator as well which performs
the SDP negotiation and is what sets active_local_sdp. It's located
here[1].

[1]
https://github.com/pjsip/pjproject/blob/master/pjmedia/src/pjmedia/sdp_neg.c

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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