- (void)viewDidLoad {
[super viewDidLoad];
movieFile = [[GPUImageMovie alloc] initWithURL:@"URL"];
movieFile.runBenchmark = YES;
movieFile.playAtActualSpeed = YES;

filterImageView = [[GPUImageView alloc] initWithFrame:self.view.frame];
[_videoContainerView addSubview:filterImageView];

[self applyFilterForRow:0];
}


 //Method To Switch Filter
-(void)applyFilterForRow:(NSInteger )row
{
[movieFile endProcessing];
[movieFile removeAllTargets];
[filter removeAllTargets];

if (row == 0) {
    filter = [[GPUImagePixellateFilter alloc] init];
}
else{
    filter = [[GPUImageFilter alloc] initWithFragmentShaderFromFile:@"custom"];
}

[movieFile addTarget:filter];
[filter addTarget:filterImageView];

[movieFile startProcessing];

}