Help getting video off dashcam.
Discussion
Hi all,
Just trying to get some footage off a dashcam of an accident. There is the video leading up to the accident when you see the brake lights of the car in front come then it cuts out. The next video is of the copper moving the car to the side of the road. I can't seem to find the video of the actual crash? There's a folder on the SD card called PROTECTED with various videos but not any since March? Am I missing something or is it just a total coincidence that the dashcam has malfunctioned right before an accident?
Please forgive me if the answer is obvious, I've not used a dashcam before and I'm trying to help my parents.
Thanks
Just trying to get some footage off a dashcam of an accident. There is the video leading up to the accident when you see the brake lights of the car in front come then it cuts out. The next video is of the copper moving the car to the side of the road. I can't seem to find the video of the actual crash? There's a folder on the SD card called PROTECTED with various videos but not any since March? Am I missing something or is it just a total coincidence that the dashcam has malfunctioned right before an accident?
Please forgive me if the answer is obvious, I've not used a dashcam before and I'm trying to help my parents.
Thanks
https://www.nextbase.com/en-gb/help-and-support/da...
The user Manual is on that Page. There are steps to protecting/unprotecting files as well as transfering them to a PC.
The user Manual is on that Page. There are steps to protecting/unprotecting files as well as transfering them to a PC.
Sounds like the dashcam's internal battery has failed (a common fault, especially with Nextbase 4-series cams).
When the power to the dashcam was cut, the dashcam's backup battery didn't have enough energy to finish saving the file that was in progress at the time.
So you'll end up with a file that ended shortly before the incident, then possibly a corrupt/unreadable or missing file of the incident.
If you're lucky someone skilled with computers *might* be able to salvage a corrupt file.
When the power to the dashcam was cut, the dashcam's backup battery didn't have enough energy to finish saving the file that was in progress at the time.
So you'll end up with a file that ended shortly before the incident, then possibly a corrupt/unreadable or missing file of the incident.
If you're lucky someone skilled with computers *might* be able to salvage a corrupt file.
Have you checked all of the folders of the cameras memory card?
I have a SanDisk dash cam and if there has been a crash and the impact detection on the camera activated, it protects the file and saves it to a different folder so that it is not overwritten.
When viewing back on the camera it is a different menu to view protected files too.
I have a SanDisk dash cam and if there has been a crash and the impact detection on the camera activated, it protects the file and saves it to a different folder so that it is not overwritten.
When viewing back on the camera it is a different menu to view protected files too.
Edited by Buzz84 on Wednesday 8th July 14:16
Ron99 said:
Sounds like the dashcam's internal battery has failed (a common fault, especially with Nextbase 4-series cams).
When the power to the dashcam was cut, the dashcam's backup battery didn't have enough energy to finish saving the file that was in progress at the time.
So you'll end up with a file that ended shortly before the incident, then possibly a corrupt/unreadable or missing file of the incident.
If you're lucky someone skilled with computers *might* be able to salvage a corrupt file.
This sounds like what has happened I reckon. I've found a corrupt file...When the power to the dashcam was cut, the dashcam's backup battery didn't have enough energy to finish saving the file that was in progress at the time.
So you'll end up with a file that ended shortly before the incident, then possibly a corrupt/unreadable or missing file of the incident.
If you're lucky someone skilled with computers *might* be able to salvage a corrupt file.
I've done a bit of Googling and it looks like VLC may be able to help. I havent tried this and of course, as soon as you google stuff like this there are a million websites selling software that claim to recover your files but try this method, it's free if you download VLC (its an excellent free player)
https://www.nucleustechnologies.com/blog/free-meth...
There is a section on damaged or incomplete .avi files (or whatever format it records in)
https://www.nucleustechnologies.com/blog/free-meth...
There is a section on damaged or incomplete .avi files (or whatever format it records in)
I had the same issue on both NextBase and Transcend dashcams...and it was because the 'Protected' folder was full...and the too sensitive g-sensor was filling it up within about 30 mins.
For some reason, the Protected folder is set to a specific size, and there doesn't seem to be a way to change it.
Once it's full of protected recordings, it stops writing to that folder - well, it tries to, as it moves it from the normal folder, but can't fit it into the Protected folder, and then just forgets about it.
The only way I've found to mitigate it, is to use the biggest card the device will support and format it before every trip (which most of the manufacturers suggest doing regularly anyway), so that you have as much free capacity as possible.
If you're quick, and haven't been using the camera since, you should be recover it using a memory card undeleter program. You'll know the one you need as it will be named in series between the one before & after.
For some reason, the Protected folder is set to a specific size, and there doesn't seem to be a way to change it.
Once it's full of protected recordings, it stops writing to that folder - well, it tries to, as it moves it from the normal folder, but can't fit it into the Protected folder, and then just forgets about it.
The only way I've found to mitigate it, is to use the biggest card the device will support and format it before every trip (which most of the manufacturers suggest doing regularly anyway), so that you have as much free capacity as possible.
If you're quick, and haven't been using the camera since, you should be recover it using a memory card undeleter program. You'll know the one you need as it will be named in series between the one before & after.
TimmyMallett said:
That is some s
tty code right there.
Yup.tty code right there.I'd happily have it delete any non-protected stuff every 30 minutes...as long as it prioritised protected recordings every time. It could even have a setting to let you apportion the normal vs protected sizes.
This is one of the reasons I bought a NextBase after the Transcend, as I assumed they'd have different methods of protecting recordings.
Unfortunately, there's no easy way to find this information out before purchase (I've never found it on the spec sheets or product info pages). I suppose you could try to speak to technical support department of each company...and I wouldn't be surprised if you get a boilerplate response such as "Yes, you can protect recordings.", or "Yes, your recordings are protected."...despite asking a specific & detailed question.
Gassing Station | In-Car Electronics | Top of Page | What's New | My Stuff