Codecs Av01008m08 399 Opus 251 New Today

This specific combination of terms refers to the high-efficiency playback formats currently used by YouTube, which you can often see when enabling "Stats for Nerds" on a video. Decoding the Terms av01.0.08M.08 : This represents the AV1 (AOMedia Video 1) video codec. : The specific identifier for AV1. : Profile 0 (Main profile).

• encode to RTP stream:

  gst-launch-1.0 filesrc location=input.wav ! decodebin ! audioconvert ! audioresample ! opusenc bitrate=64000 ! rtpopuspay ! udpsink host=DEST_IP port=5004
  

• receive and play:

  gst-launch-1.0 udpsrc port=5004 caps="application/x-rtp,media=(string)audio,clock-rate=(int)48000,encoding-name=(string)OPUS,payload=(int)96" ! rtpopusdepay ! opusdec ! audioconvert ! autoaudiosink
  

Conclusion

const videoConfig = 
  type: 'file',
  video: 
    contentType: 'video/mp4; codecs="av01008m08"',
    width: 1920,
    height: 1080,
    bitrate: 2000000,
    framerate: 30
  ,
  audio: 
    contentType: 'audio/webm; codecs="opus"'