Fast switching video application crashes

[toutoumu]

Describe the bug
Opening these video files, quickly returning to playback, and then opening another one, repeated several times, will most likely cause the program to crash.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Actual behavior
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Crash logs
log.txt

Screenshots
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Additional info (please complete the following information):

• Device: [e.g. Google Pixel 6]
• Android version: [e.g. 13]
• App Version [e.g. Release v0.1.3, Nightly v0.1.3-r151]

Additional context
Add any other context about the problem here.

[abdallahmehiz]

Probably caused by a race condition of instantiating another instance of PlayerActivity before mpv is destroyed.