Recording device, recording method, and program

A recording method comprising:

• acquiring predetermined information including at least an image acquisition unit that captures an image of an area around a vehicle, the predetermined information further including road information related to a road on which the vehicle is currently traveling;
• dividing the acquired predetermined information into a plurality of image files and recording the plurality of image files;
• playing back a designated image file among the recorded plurality of image files;
• extracting an image file recorded in a period substantially continuous in time series with an image file being played back from the plurality of image files and protecting writing of the extracted image file;
• protecting, among the extracted files, writing of an image file having same road information as the road information recorded in the image file being played back;
• and
• setting an image file having road information different from the road information recorded in the image file being played back to be overwritable.

A non-transitory computer readable medium storing program for causing a computer to execute:

• acquiring predetermined information including at least an image acquisition unit that captures an image of an area around a vehicle, the predetermined information further including road information related to a road on which the vehicle is currently traveling;
• dividing the acquired predetermined information into a plurality of image files and recording the plurality of image files;
• playing back a designated image file among the recorded plurality of image files;
• extracting an image file recorded in a period substantially continuous in time series with an image file being played back from the plurality of image files and protecting writing of the extracted image file;
• protecting, among the extracted files, writing of an image file having same road information as the road information recorded in the image file being played back;
• and
• setting an image file having road information different from the road information recorded in the image file being played back to be overwritable.