IOS 实现音频视频播放器功能

//音频播放器//  ViewController.h//  AVAudioPlayer////  Created by mouweng on 17/8/26.//  Copyright © 2017年 mouweng. All rights reserved.//#import <UIKit/UIKit.h>//导入音频播放系统库文件#import <AVFoundation/AVFoundation.h>@interface ViewController : UIViewController<AVAudioPlayerDelegate>//音频播放协议{    //播放暂停停止按钮    UIButton *_btnPlay;    UIButton *_btnPause;    UIButton *_btnStop;        UIProgressView *_musicProgress;  //音乐播放进度    UISlider *_volumeSlider;         //声音大小调整滑动条    UISwitch *_volumeOn;             //静音开关        AVAudioPlayer *_player ;         //音频播放器    NSTimer *_timer;                 //定义一个定时器，可以跟进进度}@end

////  ViewController.m//  AVAudioPlayer////  Created by mouweng on 17/8/26.//  Copyright © 2017年 mouweng. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.                _btnPlay = [UIButton buttonWithType:UIButtonTypeRoundedRect];    _btnPlay.frame = CGRectMake(100, 100, 100, 40);    [_btnPlay setTitle:@"播放" forState:UIControlStateNormal];    [_btnPlay addTarget:self action:@selector(pressPlay) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:_btnPlay];        _btnPause = [UIButton buttonWithType:UIButtonTypeRoundedRect];    _btnPause.frame = CGRectMake(100, 160, 100, 40);    [_btnPause setTitle:@"暂停" forState:UIControlStateNormal];    [_btnPause addTarget:self action:@selector(pressPause) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:_btnPause];        _btnStop = [UIButton buttonWithType:UIButtonTypeRoundedRect];    _btnStop.frame = CGRectMake(100, 220, 100, 40);    [_btnStop setTitle:@"停止" forState:UIControlStateNormal];    [_btnStop addTarget:self action:@selector(pressStop) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:_btnStop];        //创建进度条    _musicProgress = [[UIProgressView alloc] initWithFrame:CGRectMake(10, 300, 300, 20)];    _musicProgress.progress = 0;    [self.view addSubview:_musicProgress];    //创建声音条    _volumeSlider = [[UISlider alloc] initWithFrame:CGRectMake(10, 380, 300, 20)];    _volumeSlider.maximumValue = 100;    _volumeSlider.minimumValue = 0;    _volumeSlider.value = 50;    [_volumeSlider addTarget:self action:@selector(volumeChange:) forControlEvents:UIControlEventValueChanged];    [self.view addSubview:_volumeSlider];        _player.delegate = self;        [self createPlayer];}//当音乐放完时调用- (void) audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag{    [_timer invalidate];}- (void)createPlayer{    NSString *str = [[NSBundle mainBundle] pathForResource:@"Music" ofType:@"mp3"];    NSURL *_urlMusic = [NSURL fileURLWithPath:str];        //创建音频播放器对象2    _player = [[AVAudioPlayer alloc] initWithContentsOfURL:_urlMusic error:nil];    [_player prepareToPlay];//准备播放（转码解码工作）    _player.numberOfLoops = 1;//循环播放的次数(-1表示无限循环)    _player.volume = 0.5;//设置音量大小        //第一个时间间隔0.1秒调用一次    _timer = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(updateTime) userInfo:nil repeats:YES];//定义一个定时器对象，用于跟新进度条}- (void)pressPlay{    NSLog(@"play");        [_player play];}- (void)pressPause{    NSLog(@"pause");        [_player pause];}- (void)pressStop{    NSLog(@"stop");        [_player stop];    _player.currentTime = 0;//当前播放时前清零}- (void)volumeChange:(UISlider *)slider{    NSLog(@"%f",slider.value);        _player .volume = slider.value/100;}- (void)updateTime{    _musicProgress.progress = _player.currentTime/_player.duration;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

//视频播放器//  ViewController.h//  MPMoviePlayerViewConrroller////  Created by mouweng on 17/8/27.//  Copyright © 2017年 mouweng. All rights reserved.//#import <UIKit/UIKit.h>//导入苹果的官方播放器头文件（封装了音频视频的播放类和其编码解码基础类库）#import <MediaPlayer/MediaPlayer.h>@interface ViewController : UIViewController{    //定义一个播放器对象    MPMoviePlayerController *_playerController;        //定义一个播放器视图控制器    MPMoviePlayerViewController *_playerView;    }@end

////  ViewController.m//  MPMoviePlayerViewConrroller////  Created by mouweng on 17/8/27.//  Copyright © 2017年 mouweng. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}- (void) touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSString *strURL = @"/Users/apple/Desktop/QQ20170826-185026.mp4";    NSURL *url = [NSURL fileURLWithPath:strURL];            //    _playerController = [[MPMoviePlayerController alloc] initWithContentURL:url];//    _playerController.view.frame = self.view.bounds;//    [_playerController prepareToPlay];//视频处理的编解码的过程//    [self.view addSubview:_playerController.view];            //播放试图控制器    _playerView = [[MPMoviePlayerViewController alloc] initWithContentURL:url];    _playerView.view.frame = self.view.bounds;    [self.view addSubview:_playerView.view];}@end