//
//  AudioHelper.m
//  VoipTest
//
//  Created by StevStark on 2020/11/11.
//

#import "HDLAudioHelper.h"

@implementation HDLAudioHelper

+ (NSArray *)bluetoothRoutes {
    return @[AVAudioSessionPortBluetoothHFP, AVAudioSessionPortCarAudio, AVAudioSessionPortBluetoothA2DP, AVAudioSessionPortBluetoothLE ];
}

+ (AVAudioSessionPortDescription *)bluetoothAudioDevice {
    return [HDLAudioHelper audioDeviceFromTypes:[HDLAudioHelper bluetoothRoutes]];
}

+ (AVAudioSessionPortDescription *)builtinAudioDevice {
    NSArray *builtinRoutes = @[ AVAudioSessionPortBuiltInMic ];
    return [HDLAudioHelper audioDeviceFromTypes:builtinRoutes];
}

+ (AVAudioSessionPortDescription *)speakerAudioDevice {
    NSArray *builtinRoutes = @[ AVAudioSessionPortBuiltInSpeaker ];
    return [HDLAudioHelper audioDeviceFromTypes:builtinRoutes];
}

+ (AVAudioSessionPortDescription *)audioDeviceFromTypes:(NSArray *)types {
    NSArray *routes = [[AVAudioSession sharedInstance] availableInputs];
    for (AVAudioSessionPortDescription *route in routes) {
        if ([types containsObject:route.portType]) {
            return route;
        }
    }
    return nil;
}

@end