ios - Capture WKWebView audio for metering -

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i working on app contains wkwebview in have loaded iframe video streaming youtube.

i able create audio visualizer shown alongside iframe , moves in reaction audio stream.

i have been following along this ray wenderlich tutorial creating music visualizer, tutorial uses setmeteringenabled , updatemeters functions built in avaudioplayer.

is there way meter audio coming wkwebview? want average volume level, not actual audio stream itself.

i have attempted @ libraries the amazing audio engine, none of them seem allow capture channel coming wkwebview @ all, let alone metering purposes.


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