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List CoreAudio devices in Swift
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| import Foundation | |
| import CoreAudio | |
| var propertyAddress = AudioObjectPropertyAddress(mSelector: kAudioHardwarePropertyDevices, mScope: kAudioObjectPropertyScopeGlobal, mElement: kAudioObjectPropertyElementMaster) | |
| var propertySize:UInt32 = 0 | |
| if AudioObjectGetPropertyDataSize(AudioObjectID(kAudioObjectSystemObject), &propertyAddress, 0, nil, &propertySize) == noErr { | |
| let numDevices = Int(propertySize) / MemoryLayout<AudioDeviceID>.size | |
| var deviceIDs = [AudioDeviceID](repeating: 0, count: numDevices) | |
| if AudioObjectGetPropertyData(AudioObjectID(kAudioObjectSystemObject), &propertyAddress, 0, nil, &propertySize, &deviceIDs) == noErr { | |
| var deviceAddress = AudioObjectPropertyAddress() | |
| var deviceNameCString = [CChar](repeating:0, count: 64) | |
| var manufacturerNameCString = [CChar](repeating:0, count: 64) | |
| for idx in (0..<numDevices) { | |
| // print("\(deviceIDs[idx])\n") | |
| propertySize = UInt32(MemoryLayout<CChar>.size * 64) | |
| deviceAddress.mSelector = kAudioDevicePropertyDeviceName | |
| deviceAddress.mScope = kAudioObjectPropertyScopeGlobal | |
| deviceAddress.mElement = kAudioObjectPropertyElementMaster | |
| if AudioObjectGetPropertyData(deviceIDs[idx], &deviceAddress, 0, nil, &propertySize, &deviceNameCString) == noErr { | |
| let deviceName = String(cString:deviceNameCString) | |
| propertySize = UInt32(MemoryLayout<CChar>.size * 64) | |
| deviceAddress.mSelector = kAudioDevicePropertyDeviceManufacturer | |
| deviceAddress.mScope = kAudioObjectPropertyScopeGlobal | |
| deviceAddress.mElement = kAudioObjectPropertyElementMaster | |
| if (AudioObjectGetPropertyData(deviceIDs[idx], &deviceAddress, 0, nil, &propertySize, &manufacturerNameCString) == noErr) { | |
| let manufacturerName = String(cString:manufacturerNameCString) | |
| var uidString = "" as CFString | |
| propertySize = UInt32(MemoryLayout.size(ofValue: uidString)) | |
| deviceAddress.mSelector = kAudioDevicePropertyDeviceUID | |
| deviceAddress.mScope = kAudioObjectPropertyScopeGlobal | |
| deviceAddress.mElement = kAudioObjectPropertyElementMaster | |
| if (AudioObjectGetPropertyData(deviceIDs[idx], &deviceAddress, 0, nil, &propertySize, &uidString) == noErr) { | |
| print("device \(deviceName)\nby \(manufacturerName)\nid \(uidString)\n\n") | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
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airplay device missing