IJKMediaFramework第三方庫的使用

大多數(shù)做直播的時候使用 FFMpeg. IJKMediaFramework也是基于FFMpeg封裝 使用起來比較簡單,個人覺得如果有能力可以使用 FFMpeg , 使用 FFMpeg對 內(nèi)存的占用比IJKMediaFramework少

關(guān)于IJKMediaFramework 集成 可以關(guān)注網(wǎng)上別人寫的 github:http://blog.csdn.net/github_33362155/article/details/51801499

//
//  PlayerViewController.m
//  LittleLoveLive
//
//  Created by Apple on 16/7/20.
//  Copyright ? 2016年 Beryl. All rights reserved.
//

#import "PlayerViewController.h"
#import <IJKMediaFramework/IJKMediaFramework.h>
#import <Accelerate/Accelerate.h>

@interface PlayerViewController ()

@property (atomic, strong) NSURL *url;
@property (atomic, retain) id <IJKMediaPlayback> player;
@property (weak, nonatomic) UIView *PlayerView;
@property (nonatomic, strong)UIImageView *dimIamge;

@end

@implementation PlayerViewController

-(void)viewWillAppear:(BOOL)animated{
    
    [super viewWillAppear:YES];
    
    [self.navigationController setNavigationBarHidden:YES animated:YES];
    
    if (![self.player isPlaying]) {
        [self.player prepareToPlay];
    }
}

- (void)viewDidDisappear:(BOOL)animated {

    [super viewDidDisappear:YES];
    [self.navigationController setNavigationBarHidden:NO animated:NO];
}

- (void)viewDidLoad {
    [super viewDidLoad];

    self.view.backgroundColor = [UIColor blackColor];

    self.url = [NSURL URLWithString:@"http://live.hkstv.hk.lxdns.com/live/hks/playlist.m3u8"];
    _player = [[IJKFFMoviePlayerController alloc] initWithContentURL:self.url withOptions:nil];
    UIView *playerView = [self.player view];
    UIView *displayView = [[UIView alloc] initWithFrame:self.view.bounds];
    self.PlayerView = displayView;
    self.PlayerView.backgroundColor = [UIColor blackColor];
    [self.view addSubview:self.PlayerView];
    
    playerView.frame = self.PlayerView.bounds;
    playerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    [self.PlayerView insertSubview:playerView atIndex:1];
    [_player setScalingMode:IJKMPMovieScalingModeAspectFill];
    [self installMovieNotificationObservers];

    [self loadingView];
    [self changeBackBtn];

}

//關(guān)閉
- (void)goBackBtnClick {

    //停止播放
    [self.player pause];

    [self.navigationController popViewControllerAnimated:YES];
}

#pragma Selector func

- (void)loadStateDidChange:(NSNotification*)notification {
    IJKMPMovieLoadState loadState = _player.loadState;
    
    if ((loadState & IJKMPMovieLoadStatePlaythroughOK) != 0) {
        NSLog(@"LoadStateDidChange: IJKMovieLoadStatePlayThroughOK: %d\n",(int)loadState);
    }else if ((loadState & IJKMPMovieLoadStateStalled) != 0) {
        NSLog(@"loadStateDidChange: IJKMPMovieLoadStateStalled: %d\n", (int)loadState);
    } else {
        NSLog(@"loadStateDidChange: ???: %d\n", (int)loadState);
    }
}

- (void)moviePlayBackFinish:(NSNotification*)notification {
    int reason =[[[notification userInfo] valueForKey:IJKMPMoviePlayerPlaybackDidFinishReasonUserInfoKey] intValue];
    switch (reason) {
        case IJKMPMovieFinishReasonPlaybackEnded:
            NSLog(@"playbackStateDidChange: IJKMPMovieFinishReasonPlaybackEnded: %d\n", reason);
            break;
            
        case IJKMPMovieFinishReasonUserExited:
            NSLog(@"playbackStateDidChange: IJKMPMovieFinishReasonUserExited: %d\n", reason);
            break;
            
        case IJKMPMovieFinishReasonPlaybackError:
            NSLog(@"playbackStateDidChange: IJKMPMovieFinishReasonPlaybackError: %d\n", reason);
            break;
            
        default:
            NSLog(@"playbackPlayBackDidFinish: ???: %d\n", reason);
            break;
    }
}

- (void)mediaIsPreparedToPlayDidChange:(NSNotification*)notification {
    NSLog(@"mediaIsPrepareToPlayDidChange\n");
}

- (void)moviePlayBackStateDidChange:(NSNotification*)notification {
    
    _dimIamge.hidden = YES;
    
    switch (_player.playbackState) {
            
        case IJKMPMoviePlaybackStateStopped:
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: stoped", (int)_player.playbackState);
            break;
            
        case IJKMPMoviePlaybackStatePlaying:
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: playing", (int)_player.playbackState);
            break;
            
        case IJKMPMoviePlaybackStatePaused:
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: paused", (int)_player.playbackState);
            break;
            
        case IJKMPMoviePlaybackStateInterrupted:
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: interrupted", (int)_player.playbackState);
            break;
            
        case IJKMPMoviePlaybackStateSeekingForward:
        case IJKMPMoviePlaybackStateSeekingBackward: {
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: seeking", (int)_player.playbackState);
            break;
        }
            
        default: {
            NSLog(@"IJKMPMoviePlayBackStateDidChange %d: unknown", (int)_player.playbackState);
            break;
        }
    }
}

#pragma Install Notifiacation

- (void)installMovieNotificationObservers {
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(loadStateDidChange:)
                                                 name:IJKMPMoviePlayerLoadStateDidChangeNotification
                                               object:_player];
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(moviePlayBackFinish:)
                                                 name:IJKMPMoviePlayerPlaybackDidFinishNotification
                                               object:_player];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(mediaIsPreparedToPlayDidChange:)
                                                 name:IJKMPMediaPlaybackIsPreparedToPlayDidChangeNotification
                                               object:_player];
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(moviePlayBackStateDidChange:)
                                                 name:IJKMPMoviePlayerPlaybackStateDidChangeNotification
                                               object:_player];
    
}

- (void)removeMovieNotificationObservers {
    
    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                    name:IJKMPMoviePlayerLoadStateDidChangeNotification
                                                  object:_player];
    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                    name:IJKMPMoviePlayerPlaybackDidFinishNotification
                                                  object:_player];
    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                    name:IJKMPMediaPlaybackIsPreparedToPlayDidChangeNotification
                                                  object:_player];
    [[NSNotificationCenter defaultCenter] removeObserver:self
                                                    name:IJKMPMoviePlayerPlaybackStateDidChangeNotification
                                                  object:_player];
    
}

// 按鈕
- (void)changeBackBtn
{
    // 返回
    UIButton * backBtn = [UIButton buttonWithType:(UIButtonTypeCustom)];
    backBtn.frame = CGRectMake(kScreenWidth-50.0f, 10.0f, 40.0f, 40.0f);
    [backBtn setImage:[UIImage imageNamed:@"close_btn_show_view.png"] forState:(UIControlStateNormal)];
    [backBtn addTarget:self action:@selector(goBackBtnClick) forControlEvents:(UIControlEventTouchUpInside)];
    backBtn.layer.shadowColor = [UIColor blackColor].CGColor;
    backBtn.layer.shadowOffset = CGSizeMake(0, 0);
    backBtn.layer.shadowOpacity = 0.5;
    backBtn.layer.shadowRadius = 1;
    [self.view addSubview:backBtn];
}

//加載拉絲模糊視圖
- (void)loadingView {

    self.dimIamge = [[UIImageView alloc] initWithFrame:self.view.bounds];
    [self.dimIamge sd_setImageWithURL:[NSURL URLWithString:self.urlStr] placeholderImage:IMAGENAMED(@"bg_loading.png") options:SDWebImageCacheMemoryOnly];
    UIVisualEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
    UIVisualEffectView *visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
    visualEffectView.frame = _dimIamge.bounds;
    [_dimIamge addSubview:visualEffectView];
    [self.view addSubview:_dimIamge];

}

- (void)dealloc {
    
    [self.player shutdown];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];

}


@end
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