| CARVIEW |
Select Language
HTTP/2 301
content-length: 162
content-type: text/html
date: Wed, 15 Oct 2025 17:20:27 GMT
location: https://developer.mozilla.org/en-US/docs/Web/API/RTCCodecStats/payloadType
server: nginx
strict-transport-security: max-age=60; includeSubDomains
via: 1.1 google
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
HTTP/2 200
content-type: text/html
x-guploader-uploadid: AAwnv3LvnPEYc4WilF7XTo0ndzPL1YKGnCVaChCP7izOQk6QZdA4bz4QNcjpCxp442a86xeMi8ObQW8
cache-control: public, max-age=3600
expires: Wed, 15 Oct 2025 18:20:27 GMT
last-modified: Wed, 15 Oct 2025 09:09:28 GMT
etag: W/"ef50fda724c5ce4769b4df13bc0ba87e"
x-goog-generation: 1760519367918268
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 138430
x-goog-meta-goog-reserved-file-mtime: 1760517828
x-goog-hash: crc32c=n6AZmw==, md5=71D9pyTFzkdptN8TvAuofg==
x-goog-storage-class: STANDARD
accept-ranges: none
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
alt-svc: clear
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=63072000
content-security-policy: default-src 'self'; script-src 'report-sample' 'self' 'wasm-unsafe-eval' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; script-src-elem 'report-sample' 'self' 'wasm-unsafe-eval' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' developer.allizom.org bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://incoming.telemetry.mozilla.org https://observatory-api.mdn.allizom.net https://observatory-api.mdn.mozilla.net https://api.github.com/search/issues stats.g.doubleclick.net https://api.stripe.com; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net *.mdnplay.dev *.mdnyalp.dev *.play.test.mdn.allizom.net https://v2.scrimba.com https://scrimba.com jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com https://js.stripe.com; img-src 'self' data: *.githubusercontent.com *.googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com developer.mozilla.org mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org https://mdn.github.io/shared-assets/ https://mdn.dev/ https://*.google-analytics.com https://*.googletagmanager.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net https://mdn.github.io/shared-assets/; child-src 'self'; worker-src 'self';
x-frame-options: DENY
origin-trial: AxVILwizhbMjxFeHOn1P3R8niO1RJY/smaK4B4d1rLzc1gTaxtXMSaTi+FoigYgCw40uFRDwFcEAeqDR+vVLOW4AAABfeyJvcmlnaW4iOiJodHRwczovL2RldmVsb3Blci5tb3ppbGxhLm9yZyIsImZlYXR1cmUiOiJQcml2YXRlQXR0cmlidXRpb25WMiIsImV4cGlyeSI6MTc0MjA3OTYwMH0=
x-cloud-trace-context: b21b249acf1299ae5832c0414f05f162
date: Wed, 15 Oct 2025 17:20:28 GMT
server: Google Frontend
via: 1.1 google
vary: Accept-Encoding
content-encoding: gzip
x-cache: miss
RTCCodecStats: payloadType property - Web APIs | MDN
Toggle sidebar
RTCCodecStats: payloadType property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.
The payloadType property of the RTCCodecStats dictionary is a positive integer in the range from 0 to 127 that describes the format of the RTP payload used in RTP encoding or decoding.
Value
A positive integer between 0 and 127.
The mappings of values to formats is defined in RFC3550, and more specifically in Section 6: Payload Type Definitions of RFC3551.
Specifications
| Specification |
|---|
| Identifiers for WebRTC's Statistics API # dom-rtccodecstats-payloadtype |
Browser compatibility
Loading…
See also
payloadTypereturned byRTCEncodedAudioFrame.getMetadata()payloadTypereturned byRTCEncodedVideoFrame.getMetadata()codecs.payloadTypeoption in parameter passed toRTCRtpSender.setParameters().codecs.payloadTypein object returned byRTCRtpSender.getParameters()andRTCRtpReceiver.getParameters().