WebCodecs and WebTransport Note and Demo
WebCodecs API为web开发人员提供了对视频流单个帧和音频块的底层api访问。它对于需要完全控制媒体处理方式的web应用程序很有用。例如，视频或音频编辑器和视频会议
Media Stream API, Media Recording API, Media Source API, and WebRTC API add up to a rich tool set for recording, transferring, and playing video streams
已有的 API 内部使用了媒体 codecs WebRTC API Web Audio API
WebAssembly additional bandwidth reducing performance power efficiency adding additional development overhead
AudioDecoder VideoDecoder AudioEncoder VideoEncoder EncodedAudioChunk EncodedVideoChunk AudioData VideoFrame VideoColorSpace ImageDecoder ImageTrackList ImageTrack