mirror of
https://github.com/morgan9e/VolumeControl
synced 2026-04-14 00:04:05 +09:00
56 lines
1.5 KiB
Objective-C
56 lines
1.5 KiB
Objective-C
// This file is part of Background Music.
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//
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// Background Music is free software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 2 of the
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// License, or (at your option) any later version.
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#if defined(__cplusplus)
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// Local Includes
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#import "VCVirtualDevice.h"
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// PublicUtility Includes
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#import "CAHALAudioDevice.h"
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#endif /* defined(__cplusplus) */
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// System Includes
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#import <Foundation/Foundation.h>
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#import <CoreAudio/AudioHardwareBase.h>
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#pragma clang assume_nonnull begin
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@interface VCAudioDeviceManager : NSObject
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// Called on any volume change (scroll, keyboard, system slider).
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@property (nonatomic, copy) void (^onVolumeChanged)(void);
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// Returns nil if the virtual device driver isn't installed.
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- (instancetype) init;
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- (NSError* __nullable) setVCDeviceAsOSDefault;
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- (NSError* __nullable) unsetVCDeviceAsOSDefault;
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#ifdef __cplusplus
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- (VCVirtualDevice) vcDevice;
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- (CAHALAudioDevice) outputDevice;
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#endif
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- (BOOL) isVirtualDeviceActive;
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// Scans connected devices. If any lack hardware volume, activates the virtual device and starts
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// playthrough. Otherwise bypasses. Called at launch and on device hotplug.
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- (void) evaluateAndActivate;
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// Universal volume control — works on both virtual device and native hardware.
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- (float) volume;
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- (void) setVolume:(float)vol;
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- (BOOL) isMuted;
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- (void) setMuted:(BOOL)muted;
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@end
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#pragma clang assume_nonnull end
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