While highly efficient, x265 requires more processing power to play back. Seeing this in a filename often suggests the video was intended for modern devices (smartphones, newer PCs, or smart TVs) that support hardware-accelerated HEVC decoding. 4. The .mp4 Container
Many Network Video Recorders (NVRs) label camera feeds as "Custom" if they aren't using a default preset. "Custom_1" likely represents the first camera feed in a multi-camera setup. 2022_01_22_Custom_1_x265.mp4
The prefix 2022_01_22 indicates the file was recorded or processed on . This ISO-style dating (YYYY_MM_DD) is a hallmark of digital filing systems because it allows computer operating systems to sort files chronologically by name, ensuring that "Custom_1" from January doesn't get mixed up with "Custom_1" from February. 2. The "Custom_1" Designation While highly efficient, x265 requires more processing power