iOS使用音频处理框架TheAmazingAudioEngine实现音频录制播放

#import "ViewController.h"
#import 
#import "HWProgressHUD.h"
#import "UIImage+HW.h"
#import "AERecorder.h"
#import "HWRecordingDrawView.h"
 
#define KMainW [UIScreen mainScreen].bounds.size.width
#define KMainH [UIScreen mainScreen].bounds.size.height
 
@interface ViewController ()
 
@property (nonatomic, strong) AERecorder *recorder;
@property (nonatomic, strong) AEAudioController *audioController;
@property (nonatomic, strong) AEAudioFilePlayer *player;
@property (nonatomic, strong) AEAudioFilePlayer *backgroundPlayer;
@property (nonatomic, strong) NSTimer *timer;
@property (nonatomic, strong) NSMutableArray *soundSource;
@property (nonatomic, weak) HWRecordingDrawView *recordingDrawView;
@property (nonatomic, weak) UILabel *recLabel;
@property (nonatomic, weak) UILabel *recordTimeLabel;
@property (nonatomic, weak) UILabel *playTimeLabel;
@property (nonatomic, weak) UIButton *auditionBtn;
@property (nonatomic, weak) UIButton *recordBtn;
@property (nonatomic, weak) UISlider *slider;
@property (nonatomic, copy) NSString *path;
 
@end
 
@implementation ViewController
 
- (AEAudioController *)audioController
{
 if (!_audioController) {
 _audioCOntroller= [[AEAudioController alloc] initWithAudioDescription:[AEAudioController nonInterleavedFloatStereoAudioDescription] inputEnabled:YES];
 _audioController.preferredBufferDuration = 0.005;
 _audioController.useMeasurementMode = YES;
 }
 
 return _audioController;
}
 
- (NSMutableArray *)soundSource
{
 if (!_soundSource) {
 _soundSource = [NSMutableArray array];
 }
 
 return _soundSource;
}
 
- (void)viewDidLoad {
 [super viewDidLoad];
 
 [self creatControl];
}
 
- (void)creatControl
{
 CGFloat marginX = 30.0f;
 
 //音频视图
 HWRecordingDrawView *recordingDrawView = [[HWRecordingDrawView alloc] initWithFrame:CGRectMake(marginX, 80, KMainW - marginX * 2, 100)];
 [self.view addSubview:recordingDrawView];
 _recordingDrawView = recordingDrawView;
 
 //REC
 UILabel *recLabel = [[UILabel alloc] initWithFrame:CGRectMake(marginX, CGRectGetMaxY(recordingDrawView.frame) + 20, 80, 40)];
 recLabel.text = @"REC";
 recLabel.textColor = [UIColor redColor];
 [self.view addSubview:recLabel];
 _recLabel = recLabel;
 
 //录制时间
 UILabel *recordTimeLabel = [[UILabel alloc] initWithFrame:CGRectMake(CGRectGetMaxX(recLabel.frame) + 20, CGRectGetMinY(recLabel.frame), 150, 40)];
 recordTimeLabel.text = @"录制时长：00:00";
 [self.view addSubview:recordTimeLabel];
 _recordTimeLabel = recordTimeLabel;
 
 //播放时间
 UILabel *playTimeLabel = [[UILabel alloc] initWithFrame:CGRectMake(CGRectGetMinX(recordTimeLabel.frame), CGRectGetMaxY(recordTimeLabel.frame), 150, 40)];
 playTimeLabel.text = @"播放时长：00:00";
 playTimeLabel.hidden = YES;
 [self.view addSubview:playTimeLabel];
 _playTimeLabel = playTimeLabel;
 
 //配乐按钮
 NSArray *titleArray = @[@"无配乐", @"夏天", @"阳光海湾"];
 CGFloat btnW = 80.0f;
 CGFloat padding = (KMainW - marginX * 2 - btnW * titleArray.count) / (titleArray.count - 1);
 for (int i = 0; i