[Freeswitch-users] No video in echo with H264

[Alexey Sibyakin]

Hi,

1. You need mod_av, not mod_h26x
2. Don't forget to set echo_encode_video=true

Regards,

Alex

Alex Sibyakin | Support Engineer SignalWire | 228 Hamilton Ave 3rd Floor,
Palo Alto, CA 94303 Email: alex at freeswitch.com Website:
https://www.signalwire.com



On Tue, Apr 9, 2019 at 7:01 AM Faisal Hanif <imfanee at gmail.com> wrote:

> Hi Geeks,
>
> When I join a call to echo application with H264 as video codec there is
> no video sent back from FreeSWITCH while with VP8 it sends video.
> I am using Linphone on iPhone 6 as SIP client
> I am using FreeSWITCH Version 1.8.4+git~20181227T011058Z~749a6e108b~64bit
> (git 749a6e1 2018-12-27 01:10:58Z 64bit) on Debian Release 9.6 stretch.
>
> mod_h26x is enabled and and it show it loaded,
>
> freeswitch at Dev-Togee-media-fra-16> module_exists mod_h26x
> true
>
> it enabled as only video codec in var.xml,
>
> <X-PRE-PROCESS cmd="set" data="global_codec_prefs=OPUS,PCMU,PCMA,H264"/>
> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=OPUS,PCMU,PCMA,H264"/>
>
> Linphone client send H264 in SDP offer,
>
>    v=0
>    o=USR1001 3576 2398 IN IP4 10.0.0.106
>    s=Talk
>    c=IN IP4 10.0.0.106
>    t=0 0
>    a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
>    m=audio 7212 RTP/AVP 96 0 8 101 97
>    a=rtpmap:96 opus/48000/2
>    a=fmtp:96 useinbandfec=1
>    a=rtpmap:101 telephone-event/48000
>    a=rtpmap:97 telephone-event/8000
>    a=rtcp-fb:* trr-int 1000
>    a=rtcp-fb:* ccm tmmbr
>    m=video 9236 RTP/AVP 96
>    a=rtpmap:96 H264/90000
>    a=fmtp:96 profile-level-id=42801F
>    a=rtcp-fb:* trr-int 1000
>    a=rtcp-fb:* ccm tmmbr
>    a=rtcp-fb:96 nack pli
>    a=rtcp-fb:96 ccm fir
>
>
> but FreeSWITCH replies SDP without video ,
>
>    v=0
>    o=FreeSWITCH 1554713996 1554713997 IN IP4 178.33.144.18
>    s=FreeSWITCH
>    c=IN IP4 178.33.144.18
>    t=0 0
>    m=audio 754 RTP/AVP 96 101
>    a=rtpmap:96 opus/48000/2
>    a=fmtp:96 useinbandfec=1
>    a=rtpmap:101 telephone-event/48000
>    a=fmtp:101 0-16
>    a=ptime:20
>    m=video 0 RTP/AVP 19
>
> It is really strange behavior, I really appreciate any suggestion and help
> on it.
>
> Regards,
>
> Faisal
>
>
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