[BUG]

Platform

Arch Linux [Hyprland]

Browser

Firefox 143.0.1

Current Behavior

When I attempting to import a mp3 audio file with duration of approximately 4 minutes, the web application rapidly consumes excessive system resource. RAM usage spikes dramatically(eventually exhausting available memory), CPU usage remains at or near 100%, and browser unresponsive. After about 5mins my system regained 'consciousnesses'.

Expected Behavior

The audio file should import successfully without causing extreme memory or CPU usage, and the browser should remain stable and responsive throughout the process.

Recurrence Probability

Always

Steps To Reproduce

1. Access opencut.app
2. Click Import and select an audio file (~4 minutes in length).
3. Wait for the import process to begin.
4. Play video
5. Observe RAM and CPU usage in Task Manager.
6. Browser and system becomes unresponsive

Anything else?

No error message is displayed before the crash.

Start by reproducing the issue at opencut.app through Import with an approximately four-minute MP3, then play the video while monitoring RAM and CPU in Firefox. Trace the audio import and playback entry points to identify the resource spike; done means the file imports successfully without exhausting memory, saturating CPU, or making the browser unresponsive.