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iosaudioitunesipodaudiosession
Qdot543
Qdot543

Reputation: 51

Iphone IOS, Accessing audio data from another audio session

I'm in the process of building an app that uses the IPod Library Access API, so that I can play songs from iTunes in the app. However I also need to access the audio data of whatever song is playing, like how a music visualizer would.

So far, looking through the Audio Session documentation and the Core Audio documentation, I haven't found any officially supported means of achieving this. As I understand it, it would require accessing audio data from another audio session, as in the iPod access api, technically iTunes is playing in the background as I understand it and thus has a different audio session.

So basically how can you access audio data from another audio session? Specifically getting the audio data of songs played through the iPod Access API?

Upvotes: 0

Views: 278

Answers (1)

hotpaw2
hotpaw2

Reputation: 70733

See the AudioTapProcessor iOS Sample sample app in Apple's iOS Developer Library (sign on required), for the use of the AVFoundation MTAudioProcessingTap API.

Upvotes: 0

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