--- description: Find detailed guides on Ultralytics YOLO data loaders, including LoadStreams, LoadImages and LoadTensor. Learn how to get the best YouTube URLs. keywords: Ultralytics, data loaders, LoadStreams, LoadImages, LoadTensor, YOLO, YouTube URLs --- # Reference for `ultralytics/data/loaders.py` !!! Note This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/loaders.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/loaders.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/data/loaders.py) 🛠️. Thank you 🙏!

## ::: ultralytics.data.loaders.SourceTypes

## ::: ultralytics.data.loaders.LoadStreams

## ::: ultralytics.data.loaders.LoadScreenshots

## ::: ultralytics.data.loaders.LoadImagesAndVideos

## ::: ultralytics.data.loaders.LoadPilAndNumpy

## ::: ultralytics.data.loaders.LoadTensor

## ::: ultralytics.data.loaders.autocast_list

## ::: ultralytics.data.loaders.get_best_youtube_url