Qizhuo Club

Mar 21, 2018 · Mobile Development

How to Encode and Mux MP4 Video on Android Using MediaCodec and MediaMuxer

This tutorial explains how to use Android's MediaCodec to encode video frames—either via byte arrays or an input Surface—and then combine the encoded video with audio using MediaMuxer to produce a synchronized MP4 file, complete with code samples and step‑by‑step guidance.