I have a DS-2CD2021G1-I IP camera that records video on its SD card based on motion detection. I've noticed that when it starts recording after detecting motion, the video jumps or skips ahead after a couple of seconds of recording. This issue persists even when I switch to continuous recording. I've tried reducing the frame rate and bitrate, and switching to H.264, but none of these adjustments have helped. Does anyone have a suggestion for this problem?