[SR-Users] Need help in transforming an SDP string through a re.subst

[Daniel-Constantin Mierla]

Hello,

there should be a function to remove a line from sdp by matching on its
prefix (in sdpops?!?), might be easier to use that one.

Cheers,
Daniel

On 23.02.21 19:51, Denys Pozniak wrote:
> Hello!
>
> There is a task to remove a fragment (*a=rtpmap:8 PCMA/8000#015#012*)
> from the SDP string generated by the rtpengine.
>
> /v=0#015#012o=kw 1614043485 1614043486 IN IP4
> 185.19.237.77#015#012s=kw#015#012c=IN IP4 1.1.1.1#015#012t=0
> 0#015#012m=audio 31828 RTP/AVP 0 8 101#015#012a=silenceSupp:off - - -
> -#015#012a=direction:both#015#012a=rtpmap:0
> PCMU/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:101
> telephone-event/8000#015#012a=fmtp:101
> 0-16#015#012a=sendrecv#015#012a=rtcp:31829#015#012a=ptime:20#015#012
> /
>
> The most logical option seems to be using the re.subst
> transformation, but so far no success.
> $avp(write_sdp_pv) = $(avp(write_sdp_pv){re.subst,/a=rtpmap:8
> PCMA\/8000%23015%23012//s});
>
> Сan there be an alternative or am I doing something wrong with the
> re.subst?
>
> -- 
>
> BR,
> Denys Pozniak
>
>
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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