mp4-muxer

MP4 multiplexer in pure TypeScript with support for WebCodecs API, video & audio.

@webav/av-recorder

Record MediaStream to MP4, Use Webcodecs API encode VideoFrame and AudioData, [mp4box.js](https://github.com/gpac/mp4box.js) as muxer. 录制 MediaStream 到 MP4,使用 Webcodecs API 编码 VideoFrame、AudioData,mp4box.js 封装。