Hello codi290,
Thank you for reaching out in Apple Support Communities. We understand that your videos are white during playback. We'll be happy to help.
If you use iCloud to sync your data, let's see if you experience this same behavior through the iCloud website. Here's the link: iCloud
We also recommend to have the latest version of iOS 15.2 installed on your iPhone. This helps to provide software improvements that may help: Update your iPhone, iPad, or iPod touch
We look forward to hearing back from you with an update.
Kind regards.