9.0以前的视屏播放改良 IOS9.0后_视频 Created MovieView

爱被打了一巴掌 2022-01-13 22:25 109阅读 0赞

[2019独角兽企业重金招聘Python工程师标准>>> ][2019_Python_] ![hot3.png][]

//  
// ViewController.m  
// 9.0以前的视屏播放  
//  
// Created by DC020 on 15/12/28.  
// Copyright (c) 2015年 Bill. All rights reserved.  
//  
  
\#import "ViewController.h"  
//引入头文件  
\#import <MediaPlayer/MediaPlayer.h>  
[@interface][interface] ViewController ()  
@property(nonatomic,strong)MPMoviePlayerController \*moviePlayer;//视频播放控制器  
[@end][end]  
  
@implementation ViewController  
  
\- (void)viewDidLoad \{  
\[super viewDidLoad\];  
\[self.moviePlayer play\];  
//1.获取缩略图  
\[self imageRequest\];  
//添加通知  
\[self addNotatification\];  
\}  
//2.调用获取缩略图的方法  
\-(void)imageRequest\{  
//参数：第一个数组(传入获取图片的时间点),第二个时间选项(获取时间点附近最近的一帧)  
\[self.moviePlayer requestThumbnailImagesAtTimes:@\[@3.0,@18.5\] timeOption:MPMovieTimeOptionNearestKeyFrame\];  
\}  
\-(void)addNotatification\{  
//创建通知中心  
NSNotificationCenter \*notificationCenter = \[NSNotificationCenter defaultCenter\];  
//播放状态改变的通知  
\[notificationCenter addObserver:self selector:@selector(stateChange:) name:MPMoviePlayerPlaybackStateDidChangeNotification object:self.moviePlayer\];  
//播放完成的通知  
\[notificationCenter addObserver:self selector:@selector(finishPlaying:) name:MPMoviePlayerPlaybackDidFinishNotification object:self.moviePlayer\];  
//3.视频缩略图的通知（缩略图请求完成的通知）  
\[notificationCenter addObserver:self selector:@selector(imageRequestFinished:) name:MPMoviePlayerThumbnailImageRequestDidFinishNotification object:self.moviePlayer\];  
\}  
  
\-(void)dealloc\{  
//移除所有self里的通知监控  
\[\[NSNotificationCenter defaultCenter\]removeObserver:self\];  
\}  
  
  
//4.此方法每次截图成功都会调用一次  
\-(void)imageRequestFinished:(NSNotification \*)notification\{  
NSLog(@"视频截图完成");  
//取出图片  
UIImage \*image = notification.userInfo\[MPMoviePlayerThumbnailImageKey\];  
//保存到相册  
UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);  
\}  
  
\-(void)finishPlaying:(NSNotification \*)notification\{  
NSLog(@"播放结束！！！！");  
\}  
  
\-(void)stateChange:(NSNotification\*)notification\{  
//判断播放状态  
switch (self.moviePlayer.playbackState) \{  
case MPMoviePlaybackStatePlaying:  
NSLog(@"正在播放...");  
break;  
case MPMoviePlaybackStatePaused:  
NSLog(@"暂停播放...");  
break;  
case MPMoviePlaybackStateStopped:  
NSLog(@"停止播放...");  
break;  
default:  
NSLog(@"播放状态为：%li",self.moviePlayer.playbackState);  
break;  
\}  
\}  
  
\#pragma mark 创建视频播放控制器  
\-(MPMoviePlayerController \*)moviePlayer\{  
if (!\_moviePlayer) \{  
//1.获取视频地址（可以本地，也可以网络）  
NSString \*urlStr = \[\[NSBundle mainBundle\]pathForResource:@"0" ofType:@"mp4"\];  
NSURL \*url = \[NSURL fileURLWithPath:urlStr\];  
//2.初始化播放控制器  
\_moviePlayer = \[\[MPMoviePlayerController alloc\]initWithContentURL:url\];  
\_moviePlayer.view.frame = self.view.frame;  
//播放器视图->自适应屏幕宽高  
\_moviePlayer.view.autoresizingMask =UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;  
\[self.view addSubview:\_moviePlayer.view\];  
\}  
return \_moviePlayer;  
\}  
\- (void)didReceiveMemoryWarning \{  
\[super didReceiveMemoryWarning\];  
// Dispose of any resources that can be recreated.  
\}  
  
@end

//  
// ViewController.m  
// 改良版播放器  
//  
// Created by DC020 on 15/12/29.  
// Copyright (c) 2015年 Bill. All rights reserved.  
//  
  
\#import "ViewController.h"  
\#import<MediaPlayer/MediaPlayer.h>  
@interface ViewController ()  
//视频视图控制器  
@property(nonatomic,strong)MPMoviePlayerViewController \*movieVC;  
@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.  
\}  
\-(MPMoviePlayerViewController \*)movieVC\{  
if (!\_movieVC) \{  
//获取视频地址  
NSURL \*url = \[NSURL fileURLWithPath:\[\[NSBundle mainBundle\]pathForResource:@"我的少N时代.Our.Times.2015.TS720P.X264.AAC.Mandarin.CHS-ENG.Mp4Ba" ofType:@"mp4"\]\];  
\_movieVC = \[\[MPMoviePlayerViewController alloc\]initWithContentURL:url\];  
\}  
return \_movieVC;  
\}  
\- (IBAction)button:(UIButton \*)sender \{  
//为了保证每次点击都会重新创建播放器  
self.movieVC = nil;  
//模态窗口跳转播放器，期间实例化播放器  
\[self presentMoviePlayerViewControllerAnimated:self.movieVC\];  
\}  
@end

//  
// ViewController.m  
// IOS9.0后\_视频  
//  
// Created by DC020 on 15/12/29.  
// Copyright (c) 2015年 Bill. All rights reserved.  
//  
  
\#import "ViewController.h"  
\#import <AVKit/AVKit.h>  
\#import <AVFoundation/AVFoundation.h>  
@interface ViewController ()  
@property(nonatomic,strong)AVPlayerViewController \*playerVC;  
@end  
  
@implementation ViewController  
  
\- (void)viewDidLoad \{  
\[super viewDidLoad\];  
NSURL \*url = \[NSURL fileURLWithPath:\[\[NSBundle mainBundle\] pathForResource:@"煎饼侠" ofType:@"mp4"\]\];  
AVPlayer \*player = \[AVPlayer playerWithURL:url\];  
AVPlayerLayer \*playerLayer = \[AVPlayerLayer playerLayerWithPlayer:player\];  
playerLayer.frame =CGRectMake(0, 20, 200, 100);  
\[self.view.layer addSublayer:playerLayer\];  
\[player play\];  
\}  
  
\- (void)didReceiveMemoryWarning \{  
\[super didReceiveMemoryWarning\];  
// Dispose of any resources that can be recreated.  
\}  
  
\- (IBAction)playMovie:(UIButton \*)sender \{  
  
NSURL \*url = \[NSURL fileURLWithPath:\[\[NSBundle mainBundle\] pathForResource:@"煎饼侠" ofType:@"mp4"\]\];  
//创建一个播放器  
AVPlayer \*player = \[AVPlayer playerWithURL:url\];  
//实例化播放视图控制器  
\_playerVC = \[\[AVPlayerViewController alloc\]init\];  
\_playerVC.player = player;  
\[self presentViewController:\_playerVC animated:YES completion:nil\];  
\}  
@end

//  
// ViewController.m  
// MovieView  
//  
// Created by DC020 on 15/12/29.  
// Copyright (c) 2015年 Bill. All rights reserved.  
//  
  
\#import "ViewController.h"  
\#import "TableViewCell.h"  
\#import<AVFoundation/AVFoundation.h>  
\#import <MediaPlayer/MediaPlayer.h>  
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>\{  
UIImageView \*imageView;  
UITableView \*\_tableView;  
NSArray \*arrayName;  
NSMutableArray \*arrayPic;  
UIImageView \*imagePic;  
int i;  
  
\}  
  
@property(nonatomic,strong)MPMoviePlayerController \*moviePlayer;  
@end  
  
@implementation ViewController  
  
\- (void)viewDidLoad \{  
\[super viewDidLoad\];  
imagePic=\[\[UIImageView alloc\]init\];  
  
arrayPic = \[\[NSMutableArray alloc\]init\];  
i = 0;  
\_tableView = \[\[UITableView alloc\]initWithFrame:CGRectMake(0, 20, self.view.frame.size.width ,self.view.frame.size.height)\];  
\_tableView.delegate = self;  
\_tableView.dataSource = self;  
\[self.view addSubview:\_tableView\];  
  
arrayName = @\[@"煎饼侠",@"心在跳"\];  
for (int pic = 0; pic < arrayName.count; pic++) \{  
\[self imageRequest:12.0 local:pic\];  
\}  
\}  
  
  
\-(void)imageRequest:(CGFloat)timeBySecond local:(int)num\{  
NSURL \*url = \[NSURL fileURLWithPath:\[\[NSBundle mainBundle\]pathForResource:arrayName\[num\] ofType:@"mp4"\] \];  
AVURLAsset \*urlAsset = \[AVURLAsset assetWithURL:url\];  
AVAssetImageGenerator \*imageGenerator = \[AVAssetImageGenerator assetImageGeneratorWithAsset:urlAsset\];  
CMTime time = CMTimeMakeWithSeconds(timeBySecond, 10);  
CMTime acturalTime;  
CGImageRef cgImage = \[imageGenerator copyCGImageAtTime:time actualTime:&acturalTime error:nil\];  
CMTimeShow(acturalTime);  
UIImage \*image = \[UIImage imageWithCGImage:cgImage\];  
imageView = \[\[UIImageView alloc\]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)\];  
imageView.contentMode = UIViewContentModeScaleAspectFit;  
imageView.image = image;  
\[arrayPic addObject:imageView\];  
\}  
  
  
\-(MPMoviePlayerController \*)moviePlayer\{  
if (!\_moviePlayer) \{  
//1.获取视频地址（可以本地，也可以网络）  
NSString \*urlStr = \[\[NSBundle mainBundle\]pathForResource:arrayName\[i\] ofType:@"mp4"\];  
NSURL \*url = \[NSURL fileURLWithPath:urlStr\];  
//2.初始化播放控制器  
\_moviePlayer = \[\[MPMoviePlayerController alloc\]initWithContentURL:url\];  
\_moviePlayer.view.frame = self.view.frame;  
//播放器视图->自适应屏幕宽高  
\_moviePlayer.view.autoresizingMask =UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;  
\[self.view addSubview:\_moviePlayer.view\];  
  
  
\}  
  
UIButton \*button = \[\[UIButton alloc\]initWithFrame:CGRectMake(20, 20, 50, 20)\];  
\[button setTitle:@"关闭" forState:UIControlStateNormal\];  
\[button setTitleColor:\[UIColor orangeColor\] forState:UIControlStateNormal\];  
button.backgroundColor = \[UIColor whiteColor\];  
\[button addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside\];  
\[\_moviePlayer.view addSubview:button\];  
  
return \_moviePlayer;  
\}  
\-(void)back\{  
\[\_moviePlayer.view removeFromSuperview\];  
\_moviePlayer = nil;  
\}  
  
  
  
\-(void)tableView:(UITableView \*)tableView didSelectRowAtIndexPath:(NSIndexPath \*)indexPath\{  
i = (int)indexPath.row;  
NSLog(@"%li",indexPath.row);  
\[self.moviePlayer play\];  
\}  
  
  
\-(NSInteger)tableView:(UITableView \*)tableView numberOfRowsInSection:(NSInteger)section\{  
return arrayName.count;  
\}  
  
\-(UITableViewCell \*)tableView:(UITableView \*)tableView cellForRowAtIndexPath:(NSIndexPath \*)indexPath\{  
TableViewCell \*Cell = \[tableView dequeueReusableCellWithIdentifier:@"cell"\];  
if (Cell == nil) \{  
Cell = \[\[TableViewCell alloc\]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cell"\];  
\}  
Cell.label.text = arrayName\[indexPath.row\];  
  
  
imagePic = arrayPic\[indexPath.row\];  
Cell.image.image = imagePic.image;  
return Cell;  
\}  
\-(CGFloat)tableView:(UITableView \*)tableView heightForRowAtIndexPath:(NSIndexPath \*)indexPath\{  
return 100;  
\}  
\- (void)didReceiveMemoryWarning \{  
\[super didReceiveMemoryWarning\];  
// Dispose of any resources that can be recreated.  
\}  
  
@end

转载于:https://my.oschina.net/u/2501648/blog/552961

[2019_Python_]: https://my.oschina.net/u/2663968/blog/3061697
[hot3.png]: /images/20220113/3431f5c323914ca996dd5f7c9ab4c161.png
[interface]: http://my.oschina.net/u/996807
[end]: http://my.oschina.net/u/567204