![MEDIA PLAYER
rtpengine
event_route[xhttp:request] {
play_media(call-id=$var(callid)
from-tag=$var(fromtag)
file=/path/to/hello.mp3);
}
rtpengine
--interface=ext/1.2.3.4
--listen-ng=127.0.0.1:12221
Kamailio Con鍖g rtpengine](https://image.slidesharecdn.com/kw7-rtpengine-agranig-190509090004/85/rtpengine-Media-Relaying-and-Beyond-17-320.jpg)
rtpengine - Media Relaying and Beyond
- 1. rtpengine Media Relaying and Beyond Andreas Granig <agranig@sipwise.com>
- 2. WHAT IS IT? rtpengine Media Relay WebRTC Bridge Call Recorder Media Transcoder Media Player
- 3. MEDIA RELAY rtpengine Kernel based forwarding Network bridging (IPv4, IPv6) IP load balancing (more ports) State syncing (Redis)
- 4. MEDIA RELAY rtpengine rtpengine.so module in Kamailio rtpengine daemon xt_RTPENGINE kernel module rtpengine Kamailio SIP RTP original SDP + meta info modi鍖ed SDP + meta info
- 5. MEDIA RELAY rtpengine route { ... rtpengine_manage(); ... } rtpengine --interface=ext/1.2.3.4 --listen-ng=127.0.0.1:12221 Kamailio Con鍖g rtpengine
- 6. WEBRTC BRIDGE rtpengine SDP pro鍖le transforming RTP/AVP 皙 RTP/SAVPF In-Kernel DTLS-SRTP crypto ICE negotiation RTCP multiplexing
- 7. WEBRTC BRIDGE rtpengine rtpengine Kamailio SIP RTP original SDP + meta info modi鍖ed SDP: changed pro鍖le added ICE candidates RTCP mux DTLS-RTP
- 8. WEBRTC BRIDGE rtpengine route { rtpengine_offer(RTP/SAVPF ICE=force); } reply_route { rtpengine_answer(RTP/AVP ICE=remove rtcp-mux-demux); } rtpengine --interface=ext/1.2.3.4 --listen-ng=127.0.0.1:12221 Kamailio Con鍖g rtpengine
- 9. CALL RECORDER rtpengine Started/stopped before or during call Packet forking to /proc in real-time Storing streams as WAV/MP3 on NFS Storing meta-data in MySQL
- 10. CALL RECORDER rtpengine rtpengine Kamailio SIP RTP original SDP + meta info recorder metainfo /var/spool/recordings/ /proc/rtpengine/0/calls/ out.wav /nfs/recordings/Packet Queue modi鍖ed SDP + meta info
- 11. CALL RECORDER rtpengine route { rtpengine_manage(record-call metadata=uuid:$var(aid)| uuid:$var(bid)); } rtpengine --interface=ext/1.2.3.4 --listen-ng=127.0.0.1:12221 --recording-method=proc --recording-dir=/var/spool/rtpengine Kamailio Con鍖g rtpengine
- 12. MEDIA TRANSCODER rtpengine Transcoding audio streams Supporting Opus, G711, G729, G722, speex, (see rtpengine --codecs) Operating in user-space Allowing last-resort and forced mode
- 13. MEDIA TRANSCODER rtpengine rtpengine Kamailio SIP RTP G711 original SDP + meta info modi鍖ed SDP: 鍖lter unwanted codecs add additional codecs RTP Opus
- 14. MEDIA TRANSCODER rtpengine route { rtpengine_manage(mask-all transcode-opus); } rtpengine --interface=ext/1.2.3.4 --listen-ng=127.0.0.1:12221 Kamailio Con鍖g rtpengine
- 15. MEDIA PLAYER rtpengine Injecting audio into streams Playing from local 鍖les or MySQL blobs
- 16. MEDIA PLAYER rtpengine rtpengine Kamailio SIP RTP call-id of existing call from-tag/address 鍖le/db-id calculated duration in.wav
- 17. MEDIA PLAYER rtpengine event_route[xhttp:request] { play_media(call-id=$var(callid) from-tag=$var(fromtag) file=/path/to/hello.mp3); } rtpengine --interface=ext/1.2.3.4 --listen-ng=127.0.0.1:12221 Kamailio Con鍖g rtpengine
- 18. MORE FEATURES rtpengine DTMF logging Media and DTMF blocking/unblocking block/unblock_dtmf(...) block/unblock_media(...) Stream forwarding to 3rd party via TLS (for example to speech recognition engine) start/stop_forwarding(...) MOS reporting via AVPs mos_xxx_pv mod-param