RTCRtpTransceiver.currentDirection

The read-only RTCRtpTransceiver property currentDirection is a string which indicates the current directionality of the transceiver. Its value is one of the strings defined by the RTCRtpTransceiverDirection enumeration.

You can examine and set the transceiver's preferred directionality using direction property.

Syntax

var direction = RTCRtpTransceiver.currentDirection

Value

A DOMString whose value is one of the strings which are a member of the RTCRtpTransceiverDirection enumerated type.

The RTCRtpTransceiverDirection type is an enumeration of string values. Each describes how the transceiver's associated RTCRtpSender and RTCRtpReceiver behave as shown in the table below.

Value RTCRtpSender behavior RTCRtpReceiver behavior
"sendrecv" Offers to send RTP data, and will do so if the other peer accepts the connection and at least one of the sender's encodings is active1. Offers to receive RTP data, and does so if the other peer accepts.
"sendonly" Offers to send RTP data, and will do so if the other peer accepts the connection and at least one of the sender's encodings is active1. Does not offer to receive RTP data and will not do so.
"recvonly" Does not offer to send RTP data, and will not do so. Offers to receive RTP data, and will do so if the other peer offers.
"inactive" Does not offer to send RTP data, and will not do so. Does not offer to receive RTP data and will not do so.

[1] To determine if a sender has at least one active encoding, the user agent gets its parameters using RTCRtpSender.getParameters(), then looks at the parameters' encodings property; if any of the listed encodings has its active property set to true, the sender has an active encoding.

Specifications

Specification Status Comment
WebRTC 1.0: Real-time Communication Between Browsers
The definition of 'RTCRtpTransceiver.currentDirection' in that specification.
Candidate Recommendation  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome No support NoEdge ? Firefox Full support 59IE No support NoOpera No support NoSafari ? WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 59Opera Android No support NoSafari iOS ? Samsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

Contributors to this page: fscholz, Sheppy
Last updated by: fscholz,