The WebRTC API's RTCRtpSendParameters
dictionary is used to specify the parameters for an RTCRtpSender
when calling its setParameters()
method.
Properties
In addition to the properties below, RTCRtpSendParameters
inherits the properties from the RTCRtpParameters
interface.
degradationPreference
- Specifies the preferred way the WebRTC layer should handle optimizing bandwidth against quality in constrained-bandwidth situations; the value comes from the
RTCDegradationPreference
enumerated string type, and the default isbalanced
. encodings
- An array of
RTCRtpEncodingParameters
objects, each specifying the parameters for a single codec that could be used to encode the track's media. priority
- A string from the
RTCPriorityType
enumerated type which indicates the encoding's priority. The default value islow
. transactionId
- A string containing a unique ID for the last set of parameters applied; this value is used to ensure that
setParameters()
can only be called to alter changes made by a specific previous call togetParameters()
.
Specifications
Specification | Status | Comment |
---|---|---|
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'RTCRtpSendParameters' in that specification. |
Candidate Recommendation | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
RTCRtpSendParameters | Chrome Full support 69 | Edge Full support ≤79 | Firefox
No support
No
| IE No support No | Opera ? | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android
No support
No
| Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 10.0 |
degradationPreference | Chrome No support No | Edge No support No | Firefox No support No | IE No support No | Opera ? | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
encodings | Chrome Full support 69 | Edge Full support ≤79 | Firefox
No support
No
| IE No support No | Opera ? | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android
No support
No
| Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 10.0 |
priority | Chrome No support No | Edge No support No | Firefox No support No | IE No support No | Opera ? | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
transactionId | Chrome Full support 69 | Edge Full support ≤79 | Firefox No support No | IE No support No | Opera ? | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android No support No | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 10.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- See implementation notes.
- See implementation notes.