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iOS音效

//AudioToolbox.framework是一套基于C语言的框架,使用它来播放音效其本质是将短音频注册到系统声音服务(System Sound Service)//System Sound Service的限制://1.音频播放时间不能超过30s//2.数据必须是PCM或者IMA4格式//3.音频文件必须打包成.caf、.aif、.wav中的一种(注意这是官方文档的说法,实际测试发现一些.mp3也可以播放)

iOS音效images/loading.gif' 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

播放音频的方法:

/** * 播放完成回调函数 * * @param soundID  系统声音ID * @param clientData 回调时传递的数据 */void soundCompleteCallback(SystemSoundID soundID,void * clientData){  NSLog(@"播放完成...");}/** * 播放音效文件 * * @param name 音频文件名称 */-(void)playSoundEffect:(NSString *)name{  NSString *audioFile=[[NSBundle mainBundle] pathForResource:name ofType:nil];  NSLog(@"%@",audioFile);  NSURL *fileUrl=[NSURL fileURLWithPath:audioFile];  //1.获得系统声音ID  SystemSoundID soundID=0;  /**   * inFileUrl:音频文件url   * outSystemSoundID:声音id(此函数会将音效文件加入到系统音频服务中并返回一个长整形ID)   */  AudioServicesCreateSystemSoundID((__bridge CFURLRef)(fileUrl), &soundID);  //如果需要在播放完之后执行某些操作,可以调用如下方法注册一个播放完成回调函数  AudioServicesAddSystemSoundCompletion(soundID, NULL, NULL, soundCompleteCallback, NULL);  //2.播放音频  AudioServicesPlaySystemSound(soundID);//播放音效  //  AudioServicesPlayAlertSound(soundID);//播放音效并震动}

 




原标题:iOS音效

关键词:IOS

IOS
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