Feature request: input box to provide .mp4 file location.

## Issue Type
- [ ] Bug report
- [x] Feature request
- [ ] Documentation update
- [ ] Other (please specify)

## Description
User unable to provide "mp4 file" or "path of mp4 file" to the app



## Screenshots
Screenshot below shows current interface:

![Image](https://github.com/user-attachments/assets/71f9547b-9a5d-476d-9b9d-03ab8297988c)

Screenshot below shows a sample of new interface (option 1):

![Image](https://github.com/user-attachments/assets/7e754adc-aee3-48e1-b067-36b8229b6548)

Screenshot below shows sample of new interface (option 2):

![Image](https://github.com/user-attachments/assets/21df8ce2-1511-41a3-9c22-3fa9dd29634d)

## Possible Solution
Implement an input field to obtain the mp4 file path or enable user to upload the mp4 file.

## Environment:
- Operating System: Windows 10
- Python Version: 3.12