Hi Chenhui Xu ,
As f is not a standard abbreviation of any SDP element,so it can not
recognized by pjsip.
If you want to do that anyway,you need add something with pjmedia_sdp_media
and deal with it in the function you had tried before.
Does the standard could not satisfied your needs?What is the purpose of f?
BR,
2013/7/3 Chenhui Xu <xch0929 at 126.com>
> I did a test that define pj_str_t sdp={ { sdp string}, len};
> and call the pjmedia_sdp_parse to construct the SDP with the sdp str which
> defined staticlly.
>
> but it seems that the non standard sdp line has been deleted when the
> pjsip library processes the request..
>
>
> Chenhui Xu
>
>
>
> At 2013-07-03 11:52:15,"Chenhui Xu" <xch0929 at 126.com> wrote:
>
> Hi,
>
> Recently, I was involved in a project which is based on PJSIP, and I
> encountered a issue that we have some non standard SDP lines, (please refer
> to the last bolder line)
>
> v=0
>
> o=Chen 1372821751 1372821751 IN IP4 192.168.77.109
>
> s=Chen
>
> c=IN IP4 192.168.77.109
>
> t=0 0
>
> m=video 5055 RTP/AVP 102
>
> a=rtpmap:102 H264/90000
>
> a=sendonly
>
> *f=v/2/5/0/1/0a///*
>
> *
> *
>
> I did not find any API which manage to construct this line, so I created a
> sdp then call pjmedia_sdp_print() to print the SDP into a buffer, then I
> just strcat(buffer, "*f=v/2/5/0/1/0a///\r\n*") and call
>
> pjmedia_sdp_parse() to construct the new sdp. But it seems does not work.
>
> Any one can give some comments?
>
>
>
> Thanks,
>
> Chenhui Xu
>
>
>
>
>
>
>
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