基于JPVideoPlayerKit的小视频播放

视频随便找的
//大部分都是复制过来的源码。。

@interface JPDouyinProgressView: JPVideoPlayerProgressView

@end

@implementation JPDouyinProgressView

(void)layoutThatFits:(CGRect)constrainedRect
nearestViewControllerInViewTree:(UIViewController *_Nullable)nearestViewController
interfaceOrientation:(JPVideoPlayViewInterfaceOrientation)interfaceOrientation {
[super layoutThatFits:constrainedRect
nearestViewControllerInViewTree:nearestViewController
interfaceOrientation:interfaceOrientation];

self.trackProgressView.frame = CGRectMake(0,
constrainedRect.size.height - JPVideoPlayerProgressViewElementHeight,
constrainedRect.size.width,
JPVideoPlayerProgressViewElementHeight);
self.cachedProgressView.frame = self.trackProgressView.bounds;
self.elapsedProgressView.frame = self.trackProgressView.frame;

}

@end
@implementation HFVideoListViewController

(void)viewDidLoad {
[super viewDidLoad];

//禁止侧滑，防止不必要的bug。
id traget = self.navigationController.interactivePopGestureRecognizer.delegate;
UIPanGestureRecognizer * pan = [[UIPanGestureRecognizer alloc]initWithTarget:traget action:nil];
[self.view addGestureRecognizer:pan];

[self setup];

//视图全屏
self.scrollView.contentInset = UIEdgeInsetsZero;
if (@available(iOS 11.0, *)) {
self.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
}else{
self.automaticallyAdjustsScrollViewInsets = NO;
}

self.scrollViewOffsetYOnStartDrag = -1;
[self scrollViewDidEndScrolling];

}

(void)viewDidLayoutSubviews {
[super viewDidLayoutSubviews];
self.scrollView.contentInset = UIEdgeInsetsZero;
if (@available(iOS 11.0, *)) {
self.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
}else{
self.automaticallyAdjustsScrollViewInsets = NO;
}

}

(void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.navigationController setNavigationBarHidden:YES animated:animated];
[IQKeyboardManager sharedManager].enable = NO;
}
(void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self.navigationController setNavigationBarHidden:NO animated:animated];
[IQKeyboardManager sharedManager].enable = YES;
}
(void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];

}

(void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];

[self.secondImageView jp_stopPlay];
}

#pragma mark - UIScrollViewDelegate

(void)scrollViewDidEndDragging:(UIScrollView *)scrollView
willDecelerate:(BOOL)decelerate {
if (decelerate == NO) {
[self scrollViewDidEndScrolling];
}
}
(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
[self scrollViewDidEndScrolling];
}
(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
NSLog(@“❤️scrollviewY%f>>>startDrag%f”, self.scrollView.contentOffset.y,self.scrollViewOffsetYOnStartDrag);
self.scrollViewOffsetYOnStartDrag = scrollView.contentOffset.y;
}

#pragma mark - JPVideoPlayerDelegate

(BOOL)shouldShowBlackBackgroundBeforePlaybackStart {
return YES;
}

#pragma mark - Private

(void)scrollViewDidEndScrolling {
```
  NSLog(@"❤️❤️scrollviewY%f>>>startDrag%f", self.scrollView.contentOffset.y,self.scrollViewOffsetYOnStartDrag);
```
if(self.scrollViewOffsetYOnStartDrag == self.scrollView.contentOffset.y){
return;
}
//移除小视频上面展示的用户信息
[self removeUserInfoViews];

NSURL *url ;
MKSmallVideoListModel *model;
if (self.scrollViewOffsetYOnStartDrag == -1) {//只有刚进来的时候调用此方法，此currentindex是上级小视频列表传过来的下标。
NSLog(@"-1>>>%ld",self.currentVideoIndex);
model = self.ListArr[self.currentVideoIndex];
// url = [NSURL URLWithString:model.video];
url = sdAppendImage(model.video);

}else{
//判断上滑还是下滑
if (self.scrollView.contentOffset.y==0) {
if(self.currentVideoIndex == 0){
```
          self.currentVideoIndex = (self.ListArr.count - 1);}else{self.currentVideoIndex--;}if (self.currentVideoIndex < 0) {self.currentVideoIndex = 0;}model = self.ListArr[self.currentVideoIndex];url = sdAppendImage(model.video);
```

// url = [NSURL URLWithString:model.video];

    }else{if(self.currentVideoIndex == (self.ListArr.count - 1)){self.currentVideoIndex = 0;}else{self.currentVideoIndex++;}if (self.currentVideoIndex >= self.ListArr.count) {self.currentVideoIndex = self.ListArr.count - 1;}model = self.ListArr[self.currentVideoIndex];url = sdAppendImage(model.video);

// url = [NSURL URLWithString:model.video];
// url = [NSURL URLWithString:self.douyinVideoStrings[self.currentVideoIndex]];

    }
}CGSize referenceSize = UIScreen.mainScreen.bounds.size;
[self.scrollView setContentOffset:CGPointMake(0, referenceSize.height) animated:NO];[self.secondImageView jp_stopPlay];

//设置当前视频的顶层封面。。
_secondImageView1.hidden = NO;
_secondImageView1.alpha = 1;

[self.secondImageView jp_playVideoMuteWithURL:urlbufferingIndicator:nilprogressView:[JPDouyinProgressView new]configuration:^(UIView *view, JPVideoPlayerModel *playerModel) {view.jp_muted = NO;

// view.backgroundColor = [UIColor clearColor];
}];

self.secondImageView.jp_progressView.hidden = YES;// 添加小视频上面展示的用户信息并配置数据
[self setupUserInfoViews:model];
//配置视频封面
[self configVideoThumb];

}

(void)configVideoThumb{

if (self.ListArr.count > _currentVideoIndex) {
```
  MKSmallVideoListModel *currentModel = self.ListArr[_currentVideoIndex];[self.secondImageView1 sd_setImageWithURL:sdAppendImage(currentModel.thumb) placeholderImage:nil];
```
}

NSInteger lastIndex = _currentVideoIndex-1;
if (lastIndex < 0) {
lastIndex = self.ListArr.count-1;
}
MKSmallVideoListModel *lastModel = self.ListArr[lastIndex];
[self.firstImageView sd_setImageWithURL:sdAppendImage(lastModel.thumb) placeholderImage:nil];

NSInteger nextIndex =_currentVideoIndex+1;
if (nextIndex >= self.ListArr.count) {
nextIndex = 0;
}

MKSmallVideoListModel *nextModel = self.ListArr[nextIndex];
[self.thridImageView sd_setImageWithURL:sdAppendImage(nextModel.thumb) placeholderImage:nil];
}

#pragma mark - Setup

(void)setup {
self.view.backgroundColor = [UIColor whiteColor];
CGSize referenceSize = UIScreen.mainScreen.bounds.size;
// self.currentVideoIndex = 0;

self.scrollView = ({
UIScrollView *scrollView = [UIScrollView new];
scrollView.backgroundColor = [UIColor blackColor];
[self.view addSubview:scrollView];
scrollView.frame = self.view.bounds;
scrollView.contentSize = CGSizeMake(referenceSize.width, referenceSize.height * 3);
scrollView.pagingEnabled = YES;
scrollView.delegate = self;
scrollView.showsHorizontalScrollIndicator = NO;
scrollView.showsVerticalScrollIndicator = NO;
scrollView;
});

self.firstImageView = ({
UIImageView *imageView = [UIImageView new];
[self.scrollView addSubview:imageView];
imageView.frame = CGRectMake(0, 0, referenceSize.width, referenceSize.height);
// imageView.image = [UIImage imageNamed:@“mine_redcoupon_redn”];
imageView.userInteractionEnabled = YES;
imageView;
});

self.secondImageView = ({
UIImageView *imageView = [UIImageView new];
[self.scrollView addSubview:imageView];
imageView.frame = CGRectMake(0, referenceSize.height, referenceSize.width, referenceSize.height);
// imageView.image = [UIImage imageNamed:@“placeholder2”];
imageView.jp_videoPlayerDelegate = self;
imageView.userInteractionEnabled = YES;
imageView;
});

self.secondImageView1 = ({
UIImageView *imageView = [UIImageView new];
[self.scrollView addSubview:imageView];
imageView.frame = CGRectMake(0, referenceSize.height, referenceSize.width, referenceSize.height);
// imageView.image = [UIImage imageNamed:@“placeholder2”];
imageView.userInteractionEnabled = YES;
imageView;
});

self.thridImageView = ({
UIImageView *imageView = [UIImageView new];
[self.scrollView addSubview:imageView];
imageView.frame = CGRectMake(0, referenceSize.height * 2, referenceSize.width, referenceSize.height);
// imageView.image = [UIImage imageNamed:@“mine_redcoupon_redd”];
imageView.userInteractionEnabled = YES;
imageView;
});

self.backBtn = ({
UIButton *btn = [UIButton buttonWithType:(UIButtonTypeCustom)];
[btn setImage:[UIImage imageNamed:@“navi_back_white”] forState:(UIControlStateNormal)];
[btn setFrame:CGRectMake(10, IPHONE_X?44:20, 44, 44)];
[btn addTarget:self action:@selector(backBtnClick) forControlEvents:(UIControlEventTouchUpInside)];
[self.view addSubview:btn];
btn;
});

}
#pragma mark --↓-- Videodelegate --↓–

(void)playerStatusDidChanged:(JPVideoPlayerStatus)playerStatus {
//解决视频加载后有一个黑色闪动的问题，视频大的话，还是有这种问题，目前没有好的解决方法。
if (playerStatus == JPVideoPlayerStatusPlaying) {
```
  [UIView animateWithDuration:0.15 animations:^{self.secondImageView1.alpha = 0;}completion:^(BOOL finished) {self.secondImageView1.hidden = YES;}];
```
}
}
(void)setupUserInfoViews:(MKSmallVideoListModel *)model {
_tempModel = model;

[self.secondImageView addSubview:self.iconImgView];
}

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