IOS 多媒體載入 載入音頻 AVAudioPlayer

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IOS載入音頻檔案

 

     需要匯入#import <AVFoundation/AVFoundation.h>

 1 NSString *path = [[NSBundle mainBundle] pathForResource:@"胭脂淚" ofType:@"mp3"]; //把音頻檔案轉換成url格式   2    3 NSURL *urlStr             = [NSURL fileURLWithPath:path];   4 AVAudioPlayer * audioPlayer  = [[AVAudioPlayer alloc] initWithContentsOfURL:urlStr error:nil];   5 audioPlayer.volume        = 1;            //音量0.0~1.0之間   6 audioPlayer.numberOfLoops = -1;           //迴圈次數   —1為無限迴圈播放   7    8 [audioPlayer play];                      //音樂播放   9   10 audioPlayer.currentTime = 15.0;  11   12   13   14 NSUInteger channels = audioPlayer.numberOfChannels; //聲道數（唯讀）  15 NSTimeInterval duration = audioPlayer.duration;  //採樣期間  16 audioPlayer.meteringEnabled = YES; //開啟儀錶技術功能  17 [audioPlayer updateMeters];  //更新儀錶讀數  18   19 [audioPlayer prepareToPlay]; //分配播放所需的資源並將其加入內部播放列隊  

停止播放 

    [audioPlayer stop];

IOS 多媒體載入 載入音頻 AVAudioPlayer