AVKit & MediaPlayer简写

@import AVKit;

@import AVFoundation;

NSString *address = [[NSBundle mainBundle]pathForResource:@"show" ofType:@"mp4"];

NSURL *urlPath = [NSURL fileURLWithPath:address];

self.playerController = [[AVPlayerViewController alloc]init];

self.playerController.player = [AVPlayer playerWithURL:urlPath];

self.playerController.showsPlaybackControls = NO;     //不显示播放器控件

self.playerController.videoGravity = AVLayerVideoGravityResizeAspectFill;  //设置拉伸模式

self.playerController.view.frame = CGRectMake(0, 0, KWidth, KHeight);

[self.navigationController.view addSubview:self.playerController.view];

[self.playerController.player play];

@import AVFoundation;

@import MediaPlayer;

self.mPlayer = [[MPMoviePlayerController alloc]initWithContentURL:[NSURL  URLWithString:@"http://192.168.42.1/DCIM/100MEDIA/FILE0001.mp4"]];

self.mPlayer.view.frame = CGRectMake(0, 150, self.view.frame.size.width, 220);

[self.view addSubview:self.mPlayer.view];

self.mPlayer.scalingMode = MPMovieScalingModeAspectFill;

[self.mPlayer play];

[self.mPlayer requestThumbnailImagesAtTimes:@[@1.2,@2.1] timeOption:MPMovieTimeOptionNearestKeyFrame];

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(noti:) name:MPMoviePlayerThumbnailImageRequestDidFinishNotification object:nil];

- (void)noti:(NSNotification*)noti{

static int a = 1;

if (a == 1) {

_img1.image = noti.userInfo[MPMoviePlayerThumbnailImageKey];

}else{

_img2.image = noti.userInfo[MPMoviePlayerThumbnailImageKey];

}

a ++;

}

NSURL *videoUrl = [NSURL URLWithString:@"http://192.168.42.1/DCIM/100MEDIA/FILE0140.mp4"];

self.playerItem = [AVPlayerItem playerItemWithURL:videoUrl];

[self.playerItem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:nil];// 监听status属性

[self.playerItem addObserver:self forKeyPath:@"loadedTimeRanges" options:NSKeyValueObservingOptionNew context:nil];// 监听loadedTimeRanges属性

self.player = [AVPlayer playerWithPlayerItem:self.playerItem];

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(moviePlayDidEnd:) name:AVPlayerItemDidPlayToEndTimeNotification object:self.playerItem];

self.layer = [AVPlayerLayer playerLayerWithPlayer:self.player];

_layer.frame = self.view.layer.frame;

[self.view.layer addSublayer:_layer];

[self.player setVolume:0.8];

[self.player play];

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {

AVPlayerItem *playerItem = (AVPlayerItem *)object;

if ([keyPath isEqualToString:@"status"]) {

if ([playerItem status] == AVPlayerStatusReadyToPlay) {

NSLog(@"AVPlayerStatusReadyToPlay");

//  self.stateButton.enabled = YES;

CMTime duration = self.playerItem.duration;// 获取视频总长度

CGFloat totalSecond = playerItem.duration.value / playerItem.duration.timescale;// 转换成秒

// _totalTime = [self convertTime:totalSecond];// 转换成播放时间

//[self customVideoSlider:duration];// 自定义UISlider外观

NSLog(@"movie total duration:%f",CMTimeGetSeconds(duration));

[self monitoringPlayback:self.playerItem];// 监听播放状态

} else if ([playerItem status] == AVPlayerStatusFailed) {

NSLog(@"AVPlayerStatusFailed");

}

} else if ([keyPath isEqualToString:@"loadedTimeRanges"]) {

NSTimeInterval timeInterval = [self availableDuration];// 计算缓冲进度

NSLog(@"Time Interval:%f",timeInterval);

CMTime duration = self.playerItem.duration;

CGFloat totalDuration = CMTimeGetSeconds(duration);

[self.gress setProgress:timeInterval/totalDuration animated:YES];

NSLog(@"%f",timeInterval / totalDuration);

}

}

- (NSTimeInterval)availableDuration {

NSArray *loadedTimeRanges = [[self.player currentItem] loadedTimeRanges];

CMTimeRange timeRange = [loadedTimeRanges.firstObject CMTimeRangeValue];// 获取缓冲区域

float startSeconds = CMTimeGetSeconds(timeRange.start);

float durationSeconds = CMTimeGetSeconds(timeRange.duration);

NSTimeInterval result = startSeconds + durationSeconds;// 计算缓冲总进度

return result;

}

- (NSString *)convertTime:(CGFloat)second{

NSDate *d = [NSDate dateWithTimeIntervalSince1970:second];

NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

if (second/3600 >= 1) {

[formatter setDateFormat:@"HH:mm:ss"];

} else {

[formatter setDateFormat:@"mm:ss"];

}

NSString *showtimeNew = [formatter stringFromDate:d];

return showtimeNew;

}

- (void)monitoringPlayback:(AVPlayerItem *)playerItem {

[self.player addPeriodicTimeObserverForInterval:CMTimeMake(1, 1) queue:NULL usingBlock:^(CMTime time) {

CGFloat currentSecond = playerItem.currentTime.value/playerItem.currentTime.timescale;// 计算当前在第几秒

[self updateVideoSlider:currentSecond];

NSString *timeString = [self convertTime:currentSecond];

//self.timeLabel.text = [NSString stringWithFormat:@"%@/%@",timeString,_totalTime];

NSLog(@"%f,%@",currentSecond,timeString);

}];

}

-(void)updateVideoSlider:(CGFloat)f{

CMTime duration = self.playerItem.duration;// 获取视频总长度

CGFloat totalSecond = self.playerItem.duration.value / self.playerItem.duration.timescale;

self.playerSlider.value = f / totalSecond;

}

-(void)moviePlayDidEnd:(NSNotification*)noti{

}