Often stands for "Parking Mode" (in dashcams) or "Permanent" (continuous recording in DVRs).
Security footage often stops abruptly, which can "break" the file. Use VLC's "Repair AVI Index" feature when prompted upon opening. 2018-08-26 20 49 39-P.avi
If you hear sound but see no video, you may need a codec pack (like K-Lite) or to convert the file. Often stands for "Parking Mode" (in dashcams) or
Older .avi files may require a wrapper or conversion to play correctly. 2. Identifying the Content 2018-08-26 20 49 39-P.avi