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Add audio services system sound API wrapper class.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,27 @@ | ||
| // | ||
| // HTKSystemSound.h | ||
| // HapticKey | ||
| // | ||
| // Created by Yoshimasa Niwa on 1/29/18. | ||
| // Copyright © 2018 Yoshimasa Niwa. All rights reserved. | ||
| // | ||
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| @import Foundation; | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface HTKSystemSound : NSObject | ||
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| @property (nonatomic, readonly) NSString *path; | ||
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| + (instancetype)new NS_UNAVAILABLE; | ||
| - (instancetype)init NS_UNAVAILABLE; | ||
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| - (instancetype)initWithPath:(NSString *)path NS_DESIGNATED_INITIALIZER; | ||
| - (instancetype)initWithSystemSoundsGroup:(NSString *)group name:(NSString *)name; | ||
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| - (void)play; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // | ||
| // HTKSystemSound.m | ||
| // HapticKey | ||
| // | ||
| // Created by Yoshimasa Niwa on 1/29/18. | ||
| // Copyright © 2018 Yoshimasa Niwa. All rights reserved. | ||
| // | ||
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| #import "HTKSystemSound.h" | ||
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| @import AudioToolbox; | ||
| @import os.log; | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| static NSString * const kSystemSoundsPath = @"/System/Library/Components/CoreAudio.component/Contents/SharedSupport/SystemSounds"; | ||
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| @interface HTKSystemSound () | ||
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| @property (nonatomic, readonly) SystemSoundID systemSoundID; | ||
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| @end | ||
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| @implementation HTKSystemSound | ||
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| - (instancetype)init | ||
| { | ||
| [self doesNotRecognizeSelector:_cmd]; | ||
| abort(); | ||
| } | ||
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| - (instancetype)initWithPath:(NSString *)path | ||
| { | ||
| if (self = [super init]) { | ||
| _path = [path copy]; | ||
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| SystemSoundID systemSoundID; | ||
| NSURL *url = [[NSURL alloc] initFileURLWithPath:path]; | ||
| OSStatus error = AudioServicesCreateSystemSoundID((__bridge CFURLRef)url, &systemSoundID); | ||
| if (error != noErr) { | ||
| os_log_error(OS_LOG_DEFAULT, "Fail to create system sound at path: %{public}@ code: %lu", path, (long)error); | ||
| return nil; | ||
| } else { | ||
| os_log_info(OS_LOG_DEFAULT, "Create system sound at path: %{public}@ id: %lu", path, (long)systemSoundID); | ||
| } | ||
| _systemSoundID = systemSoundID; | ||
| } | ||
| return self; | ||
| } | ||
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| - (instancetype)initWithSystemSoundsGroup:(NSString *)group name:(NSString *)name | ||
| { | ||
| NSString * const path = [[kSystemSoundsPath stringByAppendingPathComponent:group] stringByAppendingPathComponent:name]; | ||
| return [self initWithPath:path]; | ||
| } | ||
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| - (void)dealloc | ||
| { | ||
| OSStatus error = AudioServicesDisposeSystemSoundID(self.systemSoundID); | ||
| if (error != noErr) { | ||
| os_log_error(OS_LOG_DEFAULT, "Fail to dispose system sound id: %lu code: %lu", (long)self.systemSoundID, (long)error); | ||
| } | ||
| } | ||
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| - (void)play | ||
| { | ||
| AudioServicesPlaySystemSoundWithCompletion(self.systemSoundID, NULL); | ||
| } | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |