// // AudioHelper.h // VoipTest // // Created by StevStark on 2020/11/11. // #ifndef AudioHelper_h #define AudioHelper_h #import @import AVFoundation; @interface HDLAudioHelper : NSObject + (NSArray *)bluetoothRoutes; + (AVAudioSessionPortDescription *)bluetoothAudioDevice; + (AVAudioSessionPortDescription *)builtinAudioDevice; + (AVAudioSessionPortDescription *)speakerAudioDevice; + (AVAudioSessionPortDescription *)audioDeviceFromTypes:(NSArray *)types; @end #endif /* AudioHelper_h */