Baseline Widely available *
The RTCRtpSender
interface provides the ability to control and obtain details about how a particular MediaStreamTrack
is encoded and sent to a remote peer.
With it, you can configure the encoding used for the corresponding track, get information about the device's media capabilities, and so forth. You can also obtain access to an RTCDTMFSender
which can be used to send DTMF codes (to simulate the user pressing buttons on a telephone's dial pad) to the remote peer.
RTCRtpSender.dtmf
Read only
An RTCDTMFSender
which can be used to send DTMF tones using telephone-event
payloads on the RTP session represented by the RTCRtpSender
object. If null
, the track and/or the connection doesn't support DTMF. Only audio tracks can support DTMF.
RTCRtpSender.track
Read only
The MediaStreamTrack
which is being handled by the RTCRtpSender
. If track
is null
, the RTCRtpSender
doesn't transmit anything.
RTCRtpSender.transport
Read only
The RTCDtlsTransport
over which the sender is exchanging the RTP and RTCP packets used to manage transmission of media and control data. This value is null
until the transport is established. When bundling is in use, more than transceiver may be sharing the same transport object.
RTCRtpSender.transform
An RTCRtpScriptTransform
is used to insert a transform stream (TransformStream
) running in a worker thread into the sender pipeline, allowing stream transforms to be applied to encoded video and audio frames after they are output by a codec, and before they are sent.
rtcpTransport
Deprecated
This property has been removed; the RTP and RTCP transports have been combined into a single transport. Use the transport
property instead.
RTCRtpSender.getCapabilities()
Returns an object describing the system's capabilities for sending a specified kind of media data.
RTCRtpSender.getParameters()
Returns an object describing the current configuration for the encoding and transmission of media on the track
.
RTCRtpSender.getStats()
Returns a Promise
which is fulfilled with a RTCStatsReport
which provides statistics data for all outbound streams being sent using this RTCRtpSender
.
RTCRtpSender.setParameters()
Applies changes to parameters which configure how the track
is encoded and transmitted to the remote peer.
RTCRtpSender.setStreams()
Sets the stream(s) associated with the track
being transmitted by this sender.
RTCRtpSender.replaceTrack()
Attempts to replace the track currently being sent by the RTCRtpSender
with another track, without performing renegotiation. This method can be used, for example, to toggle between the front- and rear-facing cameras on a device.
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