Swift调用SuperpoweredAdvanceAudioPlayer是否可行？技术咨询

Hey there! Let’s unpack this for you clearly, based on SuperPowered’s official note and real-world experience with Swift + real-time audio:

First, interpreting the official comment #

Let’s start with the note you found:

Swift note: We have also tried creating this project in Swift, but it’s not complete for audio and several features were impossible to implement (such as proper performance measurement). Swift is not designed for real-time audio. Fortunately, Objective-C++ files work great in Swift projects.

This doesn’t mean you can’t call the player from Swift at all. What it’s saying is:

• Swift’s runtime characteristics (like non-deterministic ARC behavior and occasional overhead) make it a poor fit for the strict low-latency requirements of real-time audio processing.
• Some advanced SuperPowered features (like precise performance tracking) can’t be implemented directly in Swift.
• The recommended approach is to wrap your core audio logic (including SuperpoweredAdvancedAudioPlayer) in an Objective-C++ layer, then expose that layer to Swift via a bridging header. This way you get the best of both worlds: Swift’s ease of use for your app’s UI/non-audio code, and the stability of Objective-C++ for real-time audio work.

Your current issue: Compiles but no audio output #

Since your code compiles fine, the problem is almost certainly not that "calling the player from Swift is impossible." More likely, there’s a misconfiguration or missing step in your setup. Common culprits include:

• Incorrect audio session setup: Did you set the right AVAudioSession category (e.g., .playback) and activate it properly? Real-time audio requires the session to be configured for low latency.
• Player initialization mistakes: Did you pass the correct audio format parameters, set up the required callbacks, or assign a valid audio buffer?
• Threading issues: SuperPowered’s audio callbacks need to run on a dedicated real-time thread. If you’re handling callbacks on the main thread or a non-real-time background thread, audio might not output correctly.
• Bridging header gaps: Double-check that your bridging header properly declares all the SuperpoweredAdvancedAudioPlayer methods and types you’re using.

Next steps #

If you can share code snippets like:

• How you initialize SuperpoweredAdvancedAudioPlayer
• Your audio session configuration code
• How you’re handling the player’s audio callbacks
  I can help you pinpoint exactly where the issue is.

内容的提问来源于stack exchange，提问作者Jon Cook