Overview

In this article, we will explore how to capture RTP streams from a Mediasoup server using Node.js and forward them to FFmpeg. This allows us to save the streams to a file or push them as RTMP streams to other media servers.

Step 1: Setting Up the SDP File

To facilitate the transmission of both audio and video streams, we need to create an SDP (Session Description Protocol) file. This file will describe the media streams and their respective configurations. Below is an example of an SDP file:

v=0