ios 获取音频时长

用来备份，方便自己使用，需要的拿去

直接上代码，自己看着办 也可以选择去GitHub下载☞ZQAudioLengthTool

ZQAudioLengthTool.h

#import@interface ZQAudioLengthTool : NSObject

+ (NSUInteger)durationWithVideo:(NSURL *)videoUrl;

@end

ZQAudioLengthTool.m

#import "ZQAudioLengthTool.h"

@implementation ZQAudioLengthTool

+ (NSUInteger)durationWithVideo:(NSURL *)videoUrl

{

AVURLAsset*audioAsset=[AVURLAsset URLAssetWithURL:videoUrl options:nil];

CMTime audioDuration=audioAsset.duration;

float audioDurationSeconds=CMTimeGetSeconds(audioDuration);

if (audioDurationSeconds>0) {

NSUInteger interValue = (audioDurationSeconds *10+5)/10;

return interValue;

}

return 0;

}

@end