This document illustrates the use of RTP Transceiver in webRTC model API. It also illustrates the different class pipeline depending on the usage of different transport optimizations. This is the simplified version without the SDP or multiparty/simulcast examples.

1. WebRTC
RtpTransceiver
Concepts,
use
cases,
varia4ons
Dr
Alex
Gouaillard

2. ORTC
/
Object
Model
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

3. Rtp
Sender
Sctp
Transport
Rtp
Receiver
Dtls
Transport
Ice
Transport
Local
Track
Data
Channel
Javascript
App
NET
Ice
Transport
Dtls
Transport
Sctp
Transport
Remote
Track
Data
Channel
Javascript
App
ORTC
/
Object
Model
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

4. Rtp
Sender
Rtp
Receiver
Dtls
Transport
Ice
Transport
Local
Track
NET
Ice
Transport
Dtls
Transport
Rtp
Sender
WebRTC
/
Object
Model
Example
1:
Audio
only,
1:1
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Remote
Track
Local
Track
Rtp
Transceiver
RTP
RTCP
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

5. Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Rtp
Sender
Local
Track
WebRTC
/
Object
Model
Example
1:
Audio
only,
1:1,
rtcp-­‐mux
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

6. WebRTC
/
Object
Model
Example
2:
Audio
+
Video,
1:1,
rtcp-­‐mux
Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Rtp
Sender
Local
Track
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Rtp
Sender
Local
Track
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
AUDIO
VIDEO
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

7. Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Local
Track
WebRTC
/
Object
Model
Example
2:
Audio
+
Video,
1:1,
rtcp-­‐mux
+
BUNDLE
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
Rtp
Receiver
Local
Track
Remote
Track
Rtp
Receiver
Local
Track
Rtp
Sender
Remote
Track
Rtp
Transceiver
Rtp
Transceiver
RTP
RTCP
Dtls
Transport
AUDIO
VIDEO
Rtp
Sender
Rtp
Sender
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

8. Rtp
Transceiver
Rtp
Transceiver
Rtp
Sender
Rtp
Sender
Rtp
Sender
Rtp
Receiver
Track
Rtp
Sender
Rtp
Receiver
Dtls
Transport
Ice
Transport
Local
Track
NET
Ice
Transport
Dtls
Transport
Track
Remote
Track
Rtp
Receiver
Track
Remote
Track
Rtp
Sender
Track
Local
Track
Example
2:
simplified
view
Rtp
Transceiver
Rtp
Transceiver
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

9. WebRTC
/
Object
Model
Example
3:
Audio
+
Video
+
Data,
1:1,
rtcp-­‐mux
Sctp
Transport
Dtls
Transport
Ice
Transport
Data
Channel
NET
Ice
Transport
Dtls
Transport
Sctp
Transport
Data
Channel
Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Rtp
Sender
Local
Track
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
Rtp
Sender
Rtp
Receiver
Local
Track
NET
Remote
Track
Rtp
Sender
Local
Track
Dtls
Transport
Ice
Transport
Rtp
Receiver
Remote
Track
Dtls
Transport
Ice
Transport
Rtp
Transceiver
Rtp
Transceiver
AUDIO
VIDEO
DATA
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

10. WebRTC
/
Object
Model
Example
3:
Audio
+
Video
+
Data,
1:1,
rtcp-­‐mux
+
Bundle
Rtp
Transceiver
Rtp
Transceiver
Rtp
Sender
Rtp
Sender
Rtp
Sender
Rtp
Receiver
Track
Rtp
Sender
Rtp
Receiver
Dtls
Transport
Ice
Transport
Local
Track
NET
Ice
Transport
Dtls
Transport
Track
Remote
Track
Rtp
Receiver
Track
Remote
Track
Rtp
Sender
Track
Local
Track
Rtp
Transceiver
Rtp
Transceiver
Sctp
Transport
Data
Channel
Sctp
Transport
Data
Channel
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

11. Data
Channel
Data
Channel
WebRTC
/
Object
Model
Generic
Rtp
Transceiver
Rtp
Transceiver
Rtp
Sender
Rtp
Sender
Rtp
Sender
Rtp
Receiver
Track
Rtp
Sender
Rtp
Receiver
Dtls
Transport
Ice
Transport
Local
Track
NET
Ice
Transport
Dtls
Transport
Track
Remote
Track
Rtp
Receiver
Track
Remote
Track
Rtp
Sender
Track
Local
Track
Rtp
Transceiver
Rtp
Transceiver
Sctp
Transport
Data
Channel
Sctp
Transport
Data
Channel
©
Dr.
Alex
Gouaillard
@
Cosmo
Consul5ng.,
2015.
Document
provided
under
CC
BY-­‐NC
4.0
©
Dr.
Alex
Gouaillard
@
Citrix
Systems,
2015.
Document
provided
under
CC
BY-­‐NC
4.0

12. Full
Deck
Overview
• Correspondence
between
pipeline
and
SDP
for
each
example
and
case
• Examples
and
SDPs
for
mul4
party,
simulcast
and
more.
Stay
Tuned
hCp://webrtcbydralex.com
@agouaillard
on
twiCer