Smooth AVPlayer scrolling in UICollectionView/UITableView

AVPlayerItem+MLWPerformance.m

#import <JRSwizzle/JRSwizzle.h>

@implementation AVPlayerItem (MLWPerformance)

+ (void)load {
    [AVPlayerItem jr_swizzleMethod:NSSelectorFromString(@"_attachToFigPlayer") withMethod:@selector(mlw_attachToFigPlayer) error:nil];
}

- (void)mlw_attachToFigPlayer {
    static dispatch_queue_t queue = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        queue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL);
    });

    dispatch_group_t group = dispatch_group_create();
    dispatch_group_enter(group);
    @weakify(self);
    dispatch_async(queue, ^{
        @strongify(self);
        [self mlw_attachToFigPlayer];
        dispatch_group_leave(group);
    });

    while (dispatch_group_wait(group, DISPATCH_TIME_NOW)) {
        [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.01]];
    }
}

@end