[Q] Video recording app with overwrite?

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Is there an app that could take a video of, lets say, max 10 or 15 minutes and when it reaches that time it would just overwrite the same file from the beginning? So I could record for an hour or so and when I hit stop there would be only last 10 or 15 minutes saved...

This would be useful to me because I would like to record while driving in case something happens or if I there is something interesting on the road, but I don't want to delete old files all the time or to worry if there is going to be enough space on SD card for longer trips.

Thanks...

Unfortunately I wouldn't even know where to start, but I would imagine something like this is achievable with tasker.

Tasker? I know its powerful, but I can't image what should I do with it to make it do what I want... I don't have tasker, so maybe I am missing something...

Before I buy it, do you know this can be done?

Just a notification if anyone else is interested... I found what I needed a few days ago. I doesn't overwrite, but deletes oldest files when it reaches limit, and with a tap you can save current file...

https://market.android.com/details?id=com.dailyroads.v