801 format surveillance video recovery case

Case:
Customers call this monitoring as a supermarket because of a traffic accident and need to be recorded at the time.

Solution:
This monitoring is a self -assembled monitoring, which is hung under the Windows operating system and uses NTFS partitions.There are 8 channels for monitoring, 8 channels are written at the same time, and there are a lot of fragments to record files under NTFS. Many of them have only one or two small pieces.Click, according to the characteristics of the NTFS log data stream and .801 file format, restore part of the effective data from the NTFS idle space, and then modify the data in these incomplete .801 files so that it can play normally.After filtering, the recording of the accident scene has returned to success.