---
title: "RTCRtpCodec | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface RTCRtpCodec

interface RTCRtpCodec {  
    [channels](#channels)?: number;  
    [clockRate](#clockrate): number;  
    [mimeType](#mimetype): string;  
    [sdpFmtpLine](#sdpfmtpline)?: string;  
}

#### Hierarchy ([View Summary](https://docs.maptiler.com/sdk-js/api-reference/hierarchy/#Externals.RTCRtpCodec))

-   RTCRtpCodec
    -   [RTCRtpCodecParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodecParameters/)

##### Index

### Properties[](#properties)

[channels?](#channels) [clockRate](#clockrate) [mimeType](#mimetype) [sdpFmtpLine?](#sdpfmtpline)

## Properties[](#properties-1)

### `Optional`channels[](#channels)

channels?: number

### clockRate[](#clockrate)

clockRate: number

### mimeType[](#mimetype)

mimeType: string

### `Optional`sdpFmtpLine[](#sdpfmtpline)

sdpFmtpLine?: string