[Freeswitch-users] missing a=fmtp in SDP for video

Vik Killa vipkilla at gmail.com
Sat Oct 24 21:49:52 MSD 2015


Hello,
We are testing video with the freeswitch 'echo' app
We have problem where FS is not sending

a=fmtp:99 max-fs=9000;max-mbps=270000;profile-level-id=428028

in the OK

Here is the SDP INVITE

   v=0
   o=- 1445708055 1 IN IP4 10.0.0.30
   s=OPAL/1.0alpha0
   c=IN IP4 10.0.0.30
   t=0 0
   m=audio 5764 RTP/AVP 0
   a=sendrecv
   a=rtpmap:0 PCMU/8000/1
   a=ssrc:1900211023 cname:A6YydOwQGRCd/YCG8qzFZQ
   a=ptime:20
   a=maxptime:240
   m=video 5838 RTP/AVP 99 34 98
   b=AS:288000
   b=TIAS:288000000
   a=sendrecv
   a=rtpmap:99 H264/90000
   a=fmtp:99 max-fs=9000;max-mbps=270000;profile-level-id=428028
   a=imageattr:99 recv [x=[128:16:1920],y=[96:16:1200]] send
[x=[128:16:352],y=[96:16:288]]
   a=rtpmap:34 H263/90000
   a=fmtp:34 F=1;CIF=1;CIF16=1;CIF4=1;QCIF=1;SQCIF=1
   a=imageattr:34 recv [x=[128:16:1920],y=[96:16:1200]] send
[x=[128:16:352],y=[96:16:288]]
   a=rtpmap:98 H263-1998/90000
   a=fmtp:98 D=1;F=1;I=1;J=1;CIF=1;CIF16=1;CIF4=1;QCIF=1;SQCIF=1
   a=imageattr:98 recv [x=[128:16:1920],y=[96:16:1200]] send
[x=[128:16:352],y=[96:16:288]]
   a=ssrc:3809361268 cname:tKoydOwQGRCd/YCG8qzFZQ
   a=rtcp-fb:* nack pli
   a=rtcp-fb:* ccm fir
   a=rtcp-fb:* ccm tmmbr
   a=rtcp-fb:* ccm tstr
   ---------------------------




Here is the SDP of OK:

OK

   v=0
   o=XXXXX 1445682934 1445682935 IN IP4 X.X.X.X
   s=XXXXX
   c=IN IP4 X.X.X.X
   t=0 0
   m=audio 25128 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=ptime:20
   m=video 21162 RTP/AVP 99
   b=AS:1024
   a=rtpmap:99 H264/90000
   a=rtcp:21163 IN IP4 X.X.X.X
   a=rtcp-fb:99 ccm fir tmmbr
   a=rtcp-fb:99 nack
   a=rtcp-fb:99 nack pli




Is there anyway to force the line into the SDP?
Thanks.

/V
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