//
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// SGSoundEffect.m
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// SGQRCodeExample
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//
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// Created by kingsic on 2022/7/8.
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// Copyright © 2022 kingsic. All rights reserved.
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//
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#import "SGSoundEffect.h"
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#import <AudioToolbox/AudioServices.h>
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@interface SGSoundEffect ()
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{
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SystemSoundID _soundID;
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}
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@end
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@implementation SGSoundEffect
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- (id)initWithFilepath:(NSString *)path {
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self = [super init];
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if (self != nil) {
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// 获取声音文件路径
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NSURL *aFileURL = [NSURL fileURLWithPath:path isDirectory:NO];
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// 判断声音文件是否存在
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if (aFileURL != nil) {
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// 定义SystemSoundID
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SystemSoundID aSoundID;
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// 允许应用程序指定由系统声音服务器播放的音频文件
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/*
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参数1：A CFURLRef for an AudioFile ，一个CFURLRef类型的音频文件
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参数2：Returns a SystemSoundID，返回一个SystemSoundID
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*/
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OSStatus error = AudioServicesCreateSystemSoundID((__bridge CFURLRef)aFileURL, &aSoundID);
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// 判断 error 是否等于无错误！
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if (error == kAudioServicesNoError) {
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// 赋值：
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_soundID = aSoundID;
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} else {
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NSLog(@"Error :loading sound path, %d, %@", (int)error, path);
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self = nil;
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}
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} else {
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NSLog(@"URL is nil for path %@", path);
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self = nil;
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}
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}
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return self;
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}
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+ (id)soundEffectWithFilepath:(NSString *)path {
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if (path) {
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return [[SGSoundEffect alloc] initWithFilepath:path];
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}
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return nil;
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}
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- (void)play {
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AudioServicesPlaySystemSound(_soundID);
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}
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- (void)dealloc {
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AudioServicesDisposeSystemSoundID(_soundID);
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}
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@end
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