US 11,942,111 B2
Data storage device and method for auto-peeling of surveillance video content to increase archival storage
Eldhose Peter, Karnataka (IN)
Assigned to Western Digital Technologies, Inc., San Jose, CA (US)
Filed by Western Digital Technologies, Inc., San Jose, CA (US)
Filed on Jun. 15, 2021, as Appl. No. 17/348,148.
Prior Publication US 2022/0399040 A1, Dec. 15, 2022
Int. Cl. G11B 20/00 (2006.01); G06F 12/10 (2016.01); H04N 7/01 (2006.01); H04N 19/426 (2014.01)
CPC G11B 20/00007 (2013.01) [G06F 12/10 (2013.01); H04N 7/013 (2013.01); H04N 19/428 (2014.11); G06F 2212/1044 (2013.01); G11B 2020/00072 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A data storage device comprising:
a memory; and
a controller configured to:
receive first video data;
store the first video data in the memory at a first quality level;
after expiration of a first time period:
read the first video data from the memory;
re-encode the first video data at a second quality level, wherein the second quality level is lower than the first quality level; and
store the first video data re-encoded at the second quality level in the memory;
receive second video data;
store the second video data in the memory at the first quality level; and
after expiration of a second time period:
read the first video data from the memory;
re-encode the first video data at a third quality level, wherein the third quality level is lower than the second quality level;
store the first video data re-encoded at the third quality level in the memory;
read the second video data from the memory;
re-encode the second video data at the second quality level; and
store the second video data re-encoded at the second quality level in the memory.