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WebCodecs is a flexible web API for encoding and decoding audio and video.

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sigurdle/webcodecs

 
 

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TheWebCodecs API allows web applicationsto encode and decode audio and video.

Many Web APIs use media codecs internally to support APIs for particular uses:

  • HTMLMediaElement and Media Source Extensions
  • WebAudio (decodeAudioData)
  • MediaRecorder
  • WebRTC

But there’s no general way to flexibly configure and use these media codecs.Because of this, many web applications have resorted to implementingmedia codecs in JavaScript or WebAssembly, despite the disadvantages:

  • Increased bandwidth to download codecs already in the browser.
  • Reduced performance
  • Reduced power efficiency

It's great for:

  • Live streaming
  • Cloud gaming
  • Media file editing and transcoding

See theexplainer for more info.

Code samples

Please seehttps://w3c.github.io/webcodecs/samples/

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WebCodecs is a flexible web API for encoding and decoding audio and video.

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