Merge pull request #1360 from nickgzzjr/master

}

- (void)setFilter:(NSString *)filterName {

    _filterName = filterName;

    AVAsset *asset = _playerItem.asset;

    if (asset != nil) {

    if (!asset) {

        return;

    } else if (!_playerItem.videoComposition && (filterName == nil || [filterName isEqualToString:@""])) {

        return; // Setting up an empty filter has a cost so avoid whenever possible

    }

    // TODO: filters don't work for HLS, check & return

    CIFilter *filter = [CIFilter filterWithName:filterName];

    _playerItem.videoComposition = [AVVideoComposition

                                    videoCompositionWithAsset:asset

                                    applyingCIFiltersWithHandler:^(AVAsynchronousCIImageFilteringRequest *_Nonnull request) {

        if (filter == nil) {

            [request finishWithImage:request.sourceImage context:nil];

        } else {

            CIImage *image = request.sourceImage.imageByClampingToExtent;

            [filter setValue:image forKey:kCIInputImageKey];

            CIImage *output = [filter.outputImage imageByCroppingToRect:request.sourceImage.extent];

            [request finishWithImage:output context:nil];

        }

    }];

    }

}

#pragma mark - React View Management