Method for event initiated video capturing and a video camera for capture event initiated video

摘要

The present invention relates to a method and a video camera for recording an event initiated video sequence, said method comprising continuously capturing video frames, temporarily storing video frames in a video buffer, detecting a first event, initiating, in response to the detection of the first event, a video sequence recording session for recording of a video sequence in a non-volatile memory, and recording in the non-volatile memory a number of pre event frames of the captured video data present in the buffer, this recording is performed in response to the detection of the first event. Further the method includes recording in the non-volatile memory post event frames of the video data captured during a post event time period related to the first event, the post event time period is starting at the detection of the first event and ranging a number of post event frames, and starting a first event delay time period in response to the expiration of the post event time period of the first event. Further the method comprises detecting a second event after expiration of the post event time period of the first event and before expiration of the first event delay time period, recording, in response to detection of the second event, in the non-volatile memory frames from the video buffer representing a time period starting at the expiration of the post event time period of the first event and ending at the detection of the second event, recording in the non-volatile memory frames of the video data captured during a post event time period related to the second event, the post event time period is starting at the detection of the second event and ranging a number of post event frames, and closing the video sequence recording session if a delay period expires and no other event process is in progress, wherein an event process includes recording pre event frames, recording post event frames, and an event delay time period, and wherein the delay period is a period counted from the expiration of a post event time period.