WJNetAudioPlayer.h
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//
// WJNetAudioPlayer.h
// MusicStreamer
//
// Created by 幻想無極（譚啟宏） on 16/8/31.
// Copyright ? 2016年 幻想無極（譚啟宏）. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
/**網絡音頻播放器*/
@interface WJNetAudioPlayer : NSObject
- (instancetype)initWithUrl:(NSURL *)url;
@property (nonatomic,copy) void (^progressBlock)(CGFloat f,NSString *loadTime,NSString *totalTime);
- (void)play;
- (void)pause;
- (void)stop;
@end
WJNetAudioPlayer.m
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//
// WJNetAudioPlayer.m
// MusicStreamer
//
// Created by 幻想無極（譚啟宏） on 16/8/31.
// Copyright ? 2016年 幻想無極（譚啟宏）. All rights reserved.
//
#import "WJNetAudioPlayer.h"
#import "FSAudioController.h"
@interface WJNetAudioPlayer () {
NSTimer *_progressUpdateTimer;
}
@property (nonatomic,strong) FSAudioController *audioController;//控制
@end
@implementation WJNetAudioPlayer
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self name:FSAudioStreamStateChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:FSAudioStreamErrorNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:FSAudioStreamMetaDataNotification object:nil];
[_progressUpdateTimer invalidate];
_progressUpdateTimer = nil;
}
- (instancetype)initWithUrl:(NSURL *)url{
self = [super init];
if (self) {
self.audioController.url = url;
[self.audioController play];
}
return self;
}
- (void)play {
[self.audioController play];
}
- (void)pause {
[self.audioController pause];
}
- (void)stop {
[self.audioController stop];
}
- (FSAudioController *)audioController
{
if (!_audioController) {
_audioController = [[FSAudioController alloc] init];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(audioStreamStateDidChange:)
name:FSAudioStreamStateChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(audioStreamErrorOccurred:)
name:FSAudioStreamErrorNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(audioStreamMetaDataAvailable:)
name:FSAudioStreamMetaDataNotification
object:nil];
}
return _audioController;
}
- (void)updatePlaybackProgress
{
if (self.audioController.activeStream.continuous) {
// [self.progressTextFieldCell setTitle:@""];
} else {
FSStreamPosition cur = self.audioController.activeStream.currentTimePlayed;
FSStreamPosition end = self.audioController.activeStream.duration;
CGFloat loadTime = cur.minute *60 + cur.second;
CGFloat totalTime = end.minute*60 + end.second;
NSString *loadDate = [NSString stringWithFormat:@"%i:%02i",cur.minute, cur.second];
NSString *totalDate = [NSString stringWithFormat:@"%i:%02i",end.minute, end.second];
if (self.progressBlock) {
self.progressBlock(loadTime/totalTime,loadDate,totalDate);
}
// NSLog(@"%@",[NSString stringWithFormat:@"%i:%02i / %i:%02i",
// cur.minute, cur.second,
// end.minute, end.second]);
}
}
#pragma mark - 播放控制的通知
- (void)audioStreamStateDidChange:(NSNotification *)notification {
NSString *statusRetrievingURL = @"Retrieving stream URL";
NSString *statusBuffering = @"Buffering...";
NSString *statusSeeking = @"Seeking...";
NSString *statusEmpty = @"";
NSDictionary *dict = [notification userInfo];
int state = [[dict valueForKey:FSAudioStreamNotificationKey_State] intValue];
switch (state) {
case kFsAudioStreamRetrievingURL:
if (_progressUpdateTimer) {
[_progressUpdateTimer invalidate];
}
NSLog(@"%@",statusRetrievingURL);
break;
case kFsAudioStreamStopped:
NSLog(@"%@",statusEmpty);
if (_progressUpdateTimer) {
[_progressUpdateTimer invalidate];
}
break;
case kFsAudioStreamBuffering:
NSLog(@"%@",statusBuffering);
if (_progressUpdateTimer) {
[_progressUpdateTimer invalidate];
}
break;
case kFsAudioStreamSeeking:
NSLog(@"%@",statusSeeking);
break;
case kFsAudioStreamPlaying:
if (_progressUpdateTimer) {
[_progressUpdateTimer invalidate];
}
_progressUpdateTimer = [NSTimer scheduledTimerWithTimeInterval:0.5
target:self
selector:@selector(updatePlaybackProgress)
userInfo:nil
repeats:YES];
break;
case kFsAudioStreamFailed:
if (_progressUpdateTimer) {
[_progressUpdateTimer invalidate];
}
break;
default:
break;
}
}
- (void)audioStreamErrorOccurred:(NSNotification *)notification {
NSDictionary *dict = [notification userInfo];
int errorCode = [[dict valueForKey:FSAudioStreamNotificationKey_Error] intValue];
switch (errorCode) {
case kFsAudioStreamErrorOpen:
NSLog(@"Cannot open the audio stream");
break;
case kFsAudioStreamErrorStreamParse:
NSLog(@"Cannot read the audio stream");
break;
case kFsAudioStreamErrorNetwork:
NSLog(@"Network failed: cannot play the audio stream");
break;
default:
NSLog(@"Unknown error occurred");
break;
}
}
- (void)audioStreamMetaDataAvailable:(NSNotification *)notification {
NSDictionary *dict = [notification userInfo];
NSDictionary *metaData = [dict valueForKey:FSAudioStreamNotificationKey_MetaData];
NSString *streamTitle = [metaData objectForKey:@"StreamTitle"];
NSLog(@"%@",streamTitle);
}
@end
