RTCRtpCapabilities Dictionary object

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Called with the getCapabilities method to express the capabilities of RTCRtpSender and RTCRtpReceiver objects.

Features which are mandatory to implement in [RTP-USAGE], such as RTP/RTCP multiplexing [RFC5761], audio/video multiplexing [RTP-MULTI-STREAM] and reduced size RTCP [RFC5506] are assumed to be available and are therefore not included in RTCRtpCapabilities, although these features can be set via RTCRtpParameters.

Syntax

dictionary RTCRtpCapabilities {
             sequence<RTCRtpCodecCapability> codecs;
             sequence<RTCRtpHeaderExtension> headerExtensions;
             sequence<DOMString>             fecMechanisms;
};

Standards information

• Object RTC (ORTC) API for WebRTC

Dictionary

Member	Type	Description
codecs	sequence<RTCRtpCodecCapability>	Supported codecs.
fecMechanisms	sequence<DOMString>	Supported Forward Error Correction (FEC) mechanisms.
headerExtensions	sequence<RTCRtpHeaderExtensions>	Supported RTP header extensions.

 

See also

RTCRtpReceiver

RTCRtpSender