#import "MyAudioManager.h"
#import <AVFoundation/AVFoundation.h>
#import "NSStringEx.h"
@interface MyAudioManager()<AVAudioPlayerDelegate>
@property (nonatomic, strong) AVAudioSession *session;
@property (nonatomic, strong) AVAudioPlayer *player;
@property (nonatomic, strong) AVAudioRecorder *recorder;
@property (nonatomic, strong) NSURL *recordFileURL;
@property (nonatomic, copy) NSString *recordUrlKey;
@property (nonatomic, copy) didPlayFinish finishBlock;
@end
@implementation MyAudioManager
+ (instancetype)sharedInstance
{
static MyAudioManager *_sharedInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
_sharedInstance = [[self alloc ] init];
[_sharedInstance setproximity];
});
return _sharedInstance;
}
#pragma mark --设置距离传感器
- (void)setproximity{
self.session = [AVAudioSession sharedInstance];
NSError *sessionError = nil;
UInt32 audioRouteOverride = kAudioSessionOverrideAudioRoute_Speaker;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
AudioSessionSetProperty (
kAudioSessionProperty_OverrideAudioRoute,
sizeof (audioRouteOverride),
&audioRouteOverride
);
UInt32 sessionCategory = kAudioSessionCategory_MediaPlayback;
AudioSessionSetProperty(kAudioSessionProperty_AudioCategory,
sizeof(sessionCategory),
&sessionCategory);
//默认情况下扬声器播放
[self.session setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:AVAudioSessionCategoryOptionDefaultToSpeaker error:&sessionError];
[self.session overrideOutputAudioPort:AVAudioSessionPortOverrideSpeaker error:&sessionError];
if(!self.session) {
TDDLogEvent(@"Error creating session: %@", [sessionError description]);
}
else {
[self.session setActive:YES error:nil];
}
}
//proximityState 属性 如果用户接近手机，此时属性值为YES，并且屏幕关闭（非休眠）。
-(void)sensorStateChange:(NSNotificationCenter *)notification{
if ([[UIDevice currentDevice] proximityState] == YES)
{
//NSLog(@"Device is close to user");
[self.session setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];
}
else
{
// NSLog(@"Device is not close to user");
[self.session setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:AVAudioSessionCategoryOptionDefaultToSpeaker error:nil];
[self.session overrideOutputAudioPort:AVAudioSessionPortOverrideSpeaker error:nil];
}
}
- (void)playWithData:(NSData *)data finish:(void (^)())didFinish;
{
NSLog(@"datat========%@",data);
self.finishBlock = didFinish;
if (self.player) {
if (self.player.isPlaying) {
[self handleNotification:NO];
[self.player stop];
}
self.player.delegate = nil;
self.player = nil;
}
NSError *playerError = nil;
self.player = [[AVAudioPlayer alloc] initWithData:data error:&playerError];
if (self.player) {
self.player.delegate = self;
[self handleNotification:YES];
[self.player play];
}
else {
TDDLogEvent(@"Error creating player: %@", [playerError description]);
}
}
#pragma mark - 监听听筒or扬声器
- (void) handleNotification:(BOOL)state
{
[[UIDevice currentDevice] setProximityMonitoringEnabled:state]; //建议在播放之前设置yes，播放结束设置NO，这个功能是开启红外感应
if(state)//添加监听
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(sensorStateChange:) name:@"UIDeviceProximityStateDidChangeNotification"
object:nil];
}
else//移除监听
{
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"UIDeviceProximityStateDidChangeNotification" object:nil];
}
}
- (void)stopPlay{
if (self.player) {
if (self.player.isPlaying) {
[self handleNotification:NO];
[self.player stop];
}
self.player.delegate = nil;
self.player = nil;
[[NSNotificationCenter defaultCenter] postNotificationName:@"audioCellStopAnimating" object:nil];
}
}
- (BOOL)initRecord{
//录音设置
NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc]init];
//设置录音格式 AVFormatIDKey==kAudioFormatLinearPCM
[recordSetting setValue:[NSNumber numberWithInt:kAudioFormatMPEG4AAC] forKey:AVFormatIDKey];
//设置录音采样率(Hz) 如：AVSampleRateKey==8000/44100/96000（影响音频的质量）
[recordSetting setValue:[NSNumber numberWithFloat:44100] forKey:AVSampleRateKey];
//录音通道数 1 或 2
[recordSetting setValue:[NSNumber numberWithInt:1] forKey:AVNumberOfChannelsKey];
//线性采样位数 8、16、24、32
[recordSetting setValue:[NSNumber numberWithInt:16] forKey:AVLinearPCMBitDepthKey];
//录音的质量
[recordSetting setValue:[NSNumber numberWithInt:AVAudioQualityHigh] forKey:AVEncoderAudioQualityKey];
NSString *strUrl = [NSString stringWithFormat:@"%@/%@.mp4", [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject], [NSString uuid]];
NSURL *url = [NSURL fileURLWithPath:strUrl];
self.recordUrlKey = strUrl;
// self.audioRecord.filePath = strUrl;
NSError *error;
//初始化
_recorder = [[AVAudioRecorder alloc]initWithURL:url settings:recordSetting error:&error];
//开启音量检测
self.recorder.meteringEnabled = YES;
if ([self.recorder prepareToRecord]){
return YES;
}
return NO;
}
- (BOOL)startRecord
{
return [self.recorder record];
}
- (void)stopRecordWithBlock:(didRecordFinish)block
{
NSTimeInterval duration = self.recorder.currentTime;
[self.recorder stop];
if (block) {
block(self.recordUrlKey, (NSInteger)(round(duration)));
}
}
- (CGFloat)peakPowerMeter{
[self.recorder updateMeters];
double peakPower = pow(10, (0.05* [self.recorder peakPowerForChannel:0]));
return peakPower;
}
- (NSInteger)recordTime{
return self.recorder.currentTime+0.5;
}
#pragma mark - AVAudioPlayerDelegate
- (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag{
if (self.finishBlock) {
self.finishBlock();
[self handleNotification:NO];
}
}
@end