Comments (6)
iRayanKhan
commented on May 23, 2024
1
Maybe the Shairport people can help.
I have several AirPlay 2 devices if you need any help
- AirPort Express
- AirPlay 2 TV (No HomeKit)
- HomePods
- Apple TV 4K's
And am planning to get a Sonos One SL (No Mic) w/ AirPlay 2.
I can ask Mike or Erik on how to play that type of audio. I will reply back as soon as I get a reply.
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serezhka
commented on May 23, 2024
Hi, @iRayanKhan!
First, I need to understand how audio is encrypted. In java-airplay-lib I've implemented AES CBC decryption with aes key and aesIV received during pairing step. But I could not find a way to check that it's correct. Also I have no idea how to play raw AAC ELD encoded audio. I've tried to do it with fdk-aac lib but it turned out without success
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spott
commented on May 23, 2024
This might help with the audio encryption: https://emanuelecozzi.net/docs/airplay2/rtp
It appears to be ChaCha20-Poly1305 AEAD.
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iRayanKhan
commented on May 23, 2024
@spott I saw that this project works for macOS using python. I can't get it to work using docker as it is private.
https://github.com/ckdo/airplay2-receiver
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serezhka
commented on May 23, 2024
This might help with the audio encryption: https://emanuelecozzi.net/docs/airplay2/rtp
It appears to be ChaCha20-Poly1305 AEAD.
@spott it isn't. Now I can confirm that during screen mirroring audio is encrypted with AES-CBC
https://youtu.be/BFuYug8MO6s
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spott
commented on May 23, 2024
@serezhka Thanks. Looks like I didn't read far enough (or the page has since been updated). It mentions that audio is encrypted with AES-CBC further down the page.
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Related Issues (13)
- ..Tammy Boyle HOT 3
- Tv platform HOT 2
- 7_make test.txt HOT 1
- > https://github.com/serezhka/serezhka.github.io/blob/main/_posts/2023-03-18-ida-print-string-from-register-pointer.md HOT 1
- Server is not visible for Screen Mirroring.
- Server is not Play audio
- Cannot Run On Android Phone
- no handler for "/pair-pin-start" HOT 4
- how to play audio pcm output ?
- LICENSE.txt
- Tv platform HOT 1
- > HOT 2
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