录音

////  LKRecordAudioViewController.m//  H264DecodeDemo////  Created by 联坤科技 on 2017/7/13.//  Copyright © 2017年 LianKun. All rights reserved.//#import "LKRecordAudioViewController.h"#import#import@interface LKRecordAudioViewController (){

NSString *audioRecoderSavePath;

NSString *savePath;

NSURL *tempRecordedFile;

AVAudioPlayer *avplayer;

AVAudioRecorder *recorder;

NSString * tempRecoderPath;

NSMutableArray *audioRcoderMutableArray;

NSFileManager *fileMgr;

NSString *recoderName;

NSString *dateaudioPath;

NSMutableArray *passAudioMutableArray;

}

@property (nonatomic,strong) AVAudioPlayer *audioplayer;

@end

@implementation LKRecordAudioViewController

- (void)viewDidLoad {

[super viewDidLoad];

self.view.backgroundColor = [UIColor greenColor];

UIButton *RecordAudio = [[UIButton alloc] initWithFrame:CGRectMake(50, 280, 200, 50)];

[RecordAudio setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

[RecordAudio setBackgroundColor:[UIColor redColor]];

[RecordAudio setTitle:@"开始录音" forState:UIControlStateNormal];

[RecordAudio setTitle:@"结束录音" forState:UIControlStateSelected];

[RecordAudio addTarget:self action:@selector(RecordAudio:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:RecordAudio];

//    ===========================================================

NSDate *  date=[NSDate date];

NSDateFormatter  *dateformatter=[[NSDateFormatter alloc] init];

[dateformatter setDateFormat:@"YYYY-MM-dd"];

NSString *datefloder= [dateformatter stringFromDate:date];

dateaudioPath=[NSString stringWithFormat:@"%@/",datefloder];

fileMgr = [NSFileManager defaultManager];

//指向文件目录

NSString *documentsDirectory= [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];

audioRecoderSavePath=[NSString stringWithFormat:@"%@/%@", documentsDirectory,dateaudioPath];

if (![fileMgr fileExistsAtPath:audioRecoderSavePath]) {

[fileMgr createDirectoryAtPath:audioRecoderSavePath withIntermediateDirectories:YES attributes:nil error:nil];

}

NSString *docPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

savePath = [docPath stringByAppendingPathComponent:[NSString stringWithFormat:@"TakeAudio"]];  // 关联账户 account 文件夹

// 创建路径

if (![fileMgr fileExistsAtPath:savePath]) {

[fileMgr createDirectoryAtPath:savePath withIntermediateDirectories:YES attributes:nil error:nil];

}

//

AVAudioSession *session = [AVAudioSession sharedInstance];

NSError *sessionError;

[session setCategory:AVAudioSessionCategoryPlayAndRecord error:&sessionError];

if(session == nil)

NSLog(@"Error creating session: %@", [sessionError description]);

else

[session setActive:YES error:nil];

}

-(void)RecordAudio:(UIButton *)sender{

if(!sender.selected)

{

NSDate *  date=[NSDate date];

NSDateFormatter  *dateformatter=[[NSDateFormatter alloc] init];

[dateformatter setDateFormat:@"YYYYMMddHHYYSS"];

recoderName= [NSString stringWithFormat:@"%@%@",[dateformatter stringFromDate:date],@".caf"];

tempRecoderPath=[NSString stringWithFormat:@"%@%@",audioRecoderSavePath,recoderName];

tempRecordedFile = [NSURL fileURLWithPath:tempRecoderPath];

recorder = [[AVAudioRecorder alloc] initWithURL:tempRecordedFile settings:[self getAudioSetting] error:nil];

recorder.delegate=self;

[recorder prepareToRecord];

[recorder record];

avplayer = nil;

}

//If the app is recording, we want to stop recording, enable the play button, and make the record button say "REC"

else

{

[recorder stop];

recorder = nil;

}

sender.selected = !sender.selected;

}

/**

*  取得录音文件设置

*

*  @return 录音设置

*/

-(NSMutableDictionary *)getAudioSetting{

NSMutableDictionary *dicM=[NSMutableDictionary dictionary];

//设置录音格式

[dicM setObject:@(kAudioFormatLinearPCM) forKey:AVFormatIDKey];

//设置录音采样率，8000是电话采样率，对于一般录音已经够了

[dicM setObject:@(8000) forKey:AVSampleRateKey];

//设置通道,这里采用单声道

[dicM setObject:@(1) forKey:AVNumberOfChannelsKey];

//每个采样点位数,分为8、16、24、32

[dicM setObject:@(8) forKey:AVLinearPCMBitDepthKey];

//是否使用浮点数采样

[dicM setObject:@(YES) forKey:AVLinearPCMIsFloatKey];

//....其他设置等

return dicM;

}

//保存录音

-(void)SaveAudioRecoder

{

//        AudioObject *object=[[AudioObject alloc]init];

//        object.audioRecoderName=recoderName;

//        object.audioRecoderPath=tempRecoderPath;

//        object.audioRecoderIsChecked=NO;

//        [audioRcoderMutableArray addObject:object];

//        [recoderTableView reloadData];

}

#pragma mark - 录音机代理方法

/**

*  录音完成，录音完成后播放录音

*

*  @param recorder 录音机对象

*  @param flag    是否成功

*/

-(void)audioRecorderDidFinishRecording:(AVAudioRecorder *)recorder successfully:(BOOL)flag{

if (flag == YES) {

NSLog(@"录音完成!");

NSError *playbackError = nil;

NSError *readingError = nil;

NSData *fileData = [NSData dataWithContentsOfFile:tempRecoderPath options:NSDataReadingMapped error:&readingError];

self.audioplayer = [[AVAudioPlayer alloc] initWithData:fileData

error:&playbackError];

if (self.audioplayer != nil) {

self.audioplayer.delegate = self;

if ([self.audioplayer prepareToPlay] == YES &&

[self.audioplayer play] == YES) {

NSLog(@"开始播放录制的音频！");

} else {

NSLog(@"不能播放录制的音频！");

}

}

}

}

@end