<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
pre
{mso-style-priority:99;
mso-style-link:"Préformaté HTML Car";
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";}
tt
{mso-style-priority:99;
font-family:"Courier New";}
span.PrformatHTMLCar
{mso-style-name:"Préformaté HTML Car";
mso-style-priority:99;
mso-style-link:"Préformaté HTML";
font-family:Consolas;}
span.EmailStyle22
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.tlid-translation
{mso-style-name:tlid-translation;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi Bogdan,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>When you said « </span><tt><span lang=EN-US style='font-size:10.0pt'>once the rtpmap line found, use the {re.subst,reg_exp} transformation to get the codec ID from the line », </span></tt><span lang=EN-US>What do you mean by codec ID (codec NAME ?)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’ trying to use codec_delete function (codec_delete(“G729”), but it delete only one time the both aline (even if you try run several time), </span><span class=tlid-translation><span lang=EN-US>and, on the other hand it delete all payload (18) from the mline (and I need to keep one).<o:p></o:p></span></span></p><p class=MsoNormal><span class=tlid-translation><span lang=EN-US><o:p> </o:p></span></span></p><p class=MsoNormal><span class=tlid-translation><span lang=EN-US>Is there another way to delete an aline without use codec_delete ?<o:p></o:p></span></span></p><p class=MsoNormal><span class=tlid-translation><span lang=EN-US><o:p> </o:p></span></span></p><p class=MsoNormal><span class=tlid-translation><span lang=EN-US>Thanks</span></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:12.0pt;color:black'>De : </span></b><span style='font-size:12.0pt;color:black'>Bogdan-Andrei Iancu <bogdan@opensips.org><br><b>Date : </b>jeudi 13 février 2020 à 10:19<br><b>À : </b>OpenSIPS users mailling list <users@lists.opensips.org>, Alain Bieuzent <alain.bieuzent@free.fr><br><b>Objet : </b>Re: [OpenSIPS-Users] codec_delete_except_re<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><tt><span style='font-size:10.0pt'>Hi Alain,</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br></span><tt><span style='font-size:10.0pt'>Is is legal to have same codec ID more than once in the the `m` line ?? I see that 18 is mentioned like 3 times :-/.</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br></span><tt><span style='font-size:10.0pt'>Anyhow, for what you need, what you should do is:</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt'>* iterate through the `a` lines using the {sdp.line} transformation</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt'>* use a a regexp to check if the current `a` line contains "annexb=yes"</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt'>* if such a line was found, go back (decrementing the index of `a` lines) and search (backwards) the first `rtpmap` line</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt'>* once the rtpmap line found, use the {re.subst,reg_exp} transformation to get the codec ID from the line</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt'>* after that, simply use the codec delete function</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br></span><tt><span style='font-size:10.0pt'>Best regards,</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br></span><o:p></o:p></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>OpenSIPS Founder and Developer<o:p></o:p></pre><pre> <a href="https://www.opensips-solutions.com">https://www.opensips-solutions.com</a><o:p></o:p></pre><pre>OpenSIPS Summit, Amsterdam, May 2020<o:p></o:p></pre><pre> <a href="https://www.opensips.org/events/Summit-2020Amsterdam/">https://www.opensips.org/events/Summit-2020Amsterdam/</a><o:p></o:p></pre><pre>OpenSIPS Bootcamp, Miami, March 2020<o:p></o:p></pre><pre> <a href="https://opensips.org/training/OpenSIPS_Bootcamp_2020/">https://opensips.org/training/OpenSIPS_Bootcamp_2020/</a><o:p></o:p></pre><pre><o:p> </o:p></pre><div><p class=MsoNormal>On 2/11/20 3:35 PM, Alain Bieuzent wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-US>Hi all,</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>I received an SDP with several codec G729 (with annexb=yes and annexb=no)</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>=0</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>o=HNET 600152000 100017799 IN IP4 0.0.0.0</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>s=0_CALLMEDIA</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>i=HNET</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>c=IN IP4 0.0.0.0</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>t=0 0</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>m=audio 64976 RTP/AVP 18 18 18 8 101</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=rtpmap:18 G729/8000</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=fmtp:18 annexb=yes</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=ptime:20</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=rtpmap:18 G729/8000</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=fmtp:18 annexb=no</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=rtpmap:18 G729/8000</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=fmtp:18 annexb=yes</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=rtpmap:8 PCMA/8000</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=rtpmap:101 telephone-event/8000</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=fmtp:101 0-15</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'>a=sendonly</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>How can I delete codec where annexb=yes ?</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Thanks for your help</span><o:p></o:p></p><p class=MsoNormal><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Users mailing list<o:p></o:p></pre><pre><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></pre><pre><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></pre></blockquote><p class=MsoNormal><br><br><o:p></o:p></p></div></body></html>