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
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
currentDirection | Chrome Full support 69 | Edge No support No | Firefox Full support 59 | IE No support No | Opera No support No | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android Full support 59 | Opera Android No support No | Safari iOS ? | Samsung Internet Android Full support 10.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown