#import"ViewController.h"
#import
#import
@interfaceViewController()
@end
@implementationViewController
{
AVAudioRecorder* audioRecorder;
AVAudioPlayer* player;
}
- (void)viewDidLoad {
[superviewDidLoad];
// MPMediaPickerController* pickerController=[[MPMediaPickerController alloc]initWithMediaTypes:MPMediaTypeMusic];
// pickerController.prompt=@"请选择音乐";
// pickerController.allowsPickingMultipleItems=YES;
// pickerController.delegate=self;
// [self presentViewController:pickerController animated:YES completion:^{
// }];
// NSString* filePath=[[NSBundle mainBundle] pathForResource:@"include" ofType:@"mp4"];
// NSURL* sourceNoviewURL=[NSURL fileURLWithPath:filePath];
// AVAsset* moviewAsset=[AVURLAsset URLAssetWithURL:sourceNoviewURL options:nil];
// AVPlayerItem* playItem=[AVPlayerItem playerItemWithAsset:moviewAsset];
// AVPlayer* player=[AVPlayer playerWithPlayerItem:playItem];
// AVPlayerLayer* playerLayer=[AVPlayerLayer playerLayerWithPlayer:player];
// playerLayer.frame=self.view.layer.bounds;
// playerLayer.videoGravity=AVLayerVideoGravityResizeAspect;
// [self.view.layer addSublayer:playerLayer];
// [player play];
//获取当前应用的音频会话
AVAudioSession* audioSession=[AVAudioSessionsharedInstance];
//设置音频类别，playAndRecored即可播放，也可录制
[audioSessionsetCategory:AVAudioSessionCategoryPlayAndRecorderror:nil];
[audioSessionsetActive:YESerror:nil];
// Do any additional setup after loading the view, typically from a nib.
}
-(NSString*)documentsPath{
if(!_documentsPath) {
NSArray* searchPaths=
NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
_documentsPath=[searchPathsobjectAtIndex:0];
}
return_documentsPath;
}
//22050采样率
//8 16 24样点
//双声道2
- (IBAction)player:(id)sender {
}
- (IBAction)recorder:(id)sender {
if(audioRecorder!=nil&&audioRecorder.isRecording) {
[audioRecorderpause];
}
else{
NSString* destinationString=[[selfdocumentsPath]
stringByAppendingPathComponent:@"sound.wav"];
NSURL* destinationURL=[NSURLfileURLWithPath:destinationString];
NSMutableDictionary*recordSettings=[[NSMutableDictionaryalloc]init];
//音频格式
[recordSettingssetObject:[NSNumbernumberWithInt:kAudioFormatLinearPCM]forKey:AVFormatIDKey];
//采样率
[recordSettingssetObject:[NSNumbernumberWithFloat:22050]forKey:AVSampleRateKey];
//通道数
[recordSettingssetObject:[NSNumbernumberWithInt:2]forKey:AVNumberOfChannelsKey];
//样点位数
[recordSettingssetObject:[NSNumbernumberWithInt:16]forKey:AVLinearPCMBitDepthKey];
//采用高位优先的记录格式
[recordSettingssetObject:[NSNumbernumberWithBool:YES]forKey:AVLinearPCMIsBigEndianKey];
//采样信号采用浮点数
[recordSettingssetObject:[NSNumbernumberWithBool:YES]forKey:AVLinearPCMIsFloatKey];
//初始化
audioRecorder=[[AVAudioRecorderalloc]initWithURL:destinationURLsettings:recordSettingserror:nil];
audioRecorder.delegate=self;
[audioRecorderrecord];
}
}
//-(void)mediaPicker:(MPMediaPickerController *)mediaPicker didPickMediaItems:(MPMediaItemCollection *)mediaItemCollection{
// MPMusicPlayerController* player=[[MPMusicPlayerController alloc]init];
// [player setQueueWithItemCollection:mediaItemCollection];
// [player play];
//}
//-(void)mediaPickerDidCancel:(MPMediaPickerController *)mediaPicker{
//
//}
- (void)didReceiveMemoryWarning {
[superdidReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end