JSON message about the history video task management
{ "engine":1, /*required, int, engine ID which is used to distinguish models running in different engines*/ "channel":[1,2], /*required, int, device channel No. which is the video analysis channel No. of the device*/ "frameRate":2500, /*required, int, detection frame rate during protocol transmission is the actual frame rate multiplying 100*/ "alertInterval":1, /*optional, float, alarm interval. When it is 1, it means once each second; when it is 0.2, it meas twice each second*/ "recordTime":{ /*required, object, overall time period*/ "beginTime":"2020-02-17 10:00:00", /*required, string, start time*/ "endTime":"2020-03-17 10:00:00" /*required, string, end time*/ }, "TimeRange":[{ /*required, array of object, specific time period, e.g., from 7:00:00 to 9:00:00 each Monday, from 17:00:00 to 20:00:00 every Tuesday, etc.*/ "week":1, /*required, int, day of the week in ISO 8601 time format: 1-Monday...*/ "beginTime":"7:00:00", /*required, string, start time in ISO 8601 time format*/ "endTime":"9:00:00" /*required, string, end time in ISO 8601 time format*/ }], "drawFrame":0 /*optional, int, ratio of the frames extracted by the server sending the history stream, which is between 0 and 100, and 0 indicates extracting no frame*/ }