Question

我正在尝试播放存储在我的设备上的视频，同时尝试AVPlayer和MPMoviePlayerController。视频URl是：file:///var/mobile/Containers/Data/Application/73695F3E-9351-447B-BB8A-0B4A62CE430F/Documents/08-03-201711:48:50.3gp。现在问题是我得到了空白屏幕。

AVPlayer *player = [AVPlayer playerWithURL:fileURL];
AVPlayerViewController *playerViewController = [AVPlayerViewController new];
[player pause];
[player play];
playerViewController.player = player;

[self addChildViewController: playerViewController];
[self.view addSubview: playerViewController.view];
//[playerViewController.player play];//Used to Play On start
[self presentViewController:playerViewController animated:YES completion:nil];

我认为问题在于链接。我正在做的是获取本地目录链接并使用该链接附加名称。

Answer 1

我会给你很好的解决方案。它完美无缺。

ViewController.h

#import <UIKit/UIKit.h>
#import <AVKit/AVKit.h>

@interface ViewController : UIViewController
@property (strong, nonatomic) AVPlayerViewController *playerViewController;
- (IBAction)actionPlayVideo:(id)sender;

@end

ViewController.m

#import "ViewController.h"

@interface ViewController (){
    NSURL *vedioURL;
}

@end

@implementation ViewController
@synthesize playerViewController;

- (IBAction)actionPlayVideo:(id)sender{
    NSString *fullpath = [[self documentsDirectory] stringByAppendingPathComponent:@"yourdate.3gp"];
    vedioURL =[NSURL fileURLWithPath:fullpath];
    AVPlayerItem* playerItem = [AVPlayerItem playerItemWithURL:vedioURL];
    AVPlayer* playVideo = [[AVPlayer alloc] initWithPlayerItem:playerItem];
    playerViewController = [[AVPlayerViewController alloc] init];
    playerViewController.player = playVideo;
    playerViewController.player.volume = 0;
    playerViewController.view.frame = self.view.bounds;
    [self.view addSubview:playerViewController.view];
    [playVideo play];
}
-(NSString *)documentsDirectory{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    return documentsDirectory;
}

Answer 2

使用此代码

 NSURL *videoURL = [NSURL fileURLWithPath:filePath];
//filePath may be from the Bundle or from the Saved file Directory, it is just the path for the video
    AVPlayer *player = [AVPlayer playerWithURL:videoURL];
    AVPlayerViewController *playerViewController = [AVPlayerViewController new];
    playerViewController.player = player;
    //[playerViewController.player play];//Used to Play On start
    [self presentViewController:playerViewController animated:YES completion:nil];

请不要忘记导入以下框架：

#import <AVFoundation/AVFoundation.h>
#import <AVKit/AVKit.h>

您可以使用MPMoviePlayerController播放本地文件。

添加Mediaplayer框架并在viewController中执行#import。
将您在桌面上创建的视频文件拖放到xcode中。
获取本地视频的路径。

NSString thePath = [[NSBundle mainBundle] pathForResource：@“yourVideo”ofType：@“MOV”]; NSURL theurl = [NSURL fileURLWithPath：thePath];
使用您的路径初始化moviePlayer。

self.moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL：theurl]; [self.moviePlayer.view setFrame：CGRectMake（40,197,240,160）]; [self.moviePlayer prepareToPlay]; [self.moviePlayer setShouldAutoplay：NO]; //您可以通过文档查看其他选项。 [self.view addSubview：self.moviePlayer.view];
控制播放后要执行的操作：

[[NSNotificationCenter defaultCenter] addObserver：self selector：@selector（playBackFinished :) name：MPMoviePlayerPlaybackDidFinishNotification object：moviePlayer];

// playBackFinished将是您自己的方法。

参考：https://stackoverflow.com/a/9802543/4033273

Answer 3

由于您的文件网址不正确，可能会发生这种情况。

尝试以下代码来获取答案的路径。

如果你的mac中有视频，那么首先将它复制到你的项目中，然后将它吸毒到Xcode。

NSString *filepath   =   [[NSBundle mainBundle] pathForResource:@"08-03-201711:21:67" ofType:@"3gp"];  

NSURL *fileURL    =   [NSURL fileURLWithPath:filepath];

并将此路径用于AVPlayer

AVPlayer *player = [AVPlayer playerWithURL:fileURL];
AVPlayerViewController *playerViewController = [AVPlayerViewController new];
[player pause];
[player play];
playerViewController.player = player;

[self addChildViewController: playerViewController];
[self.view addSubview: playerViewController.view];

**当我查看您的代码时，您可能会将AVPlayer添加到图层中而不是作为子视图/子视图控件添加到空白屏幕。所以试试我的代码！

在iOS中播放视频

3 个答案: