---
title: "RTCRtpCodecParameters | 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 RTCRtpCodecParameters

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

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

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

##### Index

### Properties[](#properties)

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

## Properties[](#properties-1)

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

channels?: number

Inherited from [RTCRtpCodec](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/).[channels](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/#channels)

### clockRate[](#clockrate)

clockRate: number

Inherited from [RTCRtpCodec](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/).[clockRate](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/#clockrate)

### mimeType[](#mimetype)

mimeType: string

Inherited from [RTCRtpCodec](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/).[mimeType](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/#mimetype)

### payloadType[](#payloadtype)

payloadType: number

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

sdpFmtpLine?: string

Inherited from [RTCRtpCodec](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/).[sdpFmtpLine](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodec/#sdpfmtpline)