Since this is a generic system-generated name, the specific "text" or content of the video cannot be identified without viewing the file. If you are looking for a description of what is inside the video, you may want to check your or your phone's "Export" folder from that date.
The filename appears to be an automated naming convention, likely generated by a video editing app or a dashcam. km_20220930-1_720pmp4
: This represents the date the file was created or exported— September 30, 2022 . Since this is a generic system-generated name, the
: This often stands for KineMaster , a popular mobile video editing application. It is the default prefix for many files exported from that app. km_20220930-1_720pmp4