1. Function Description
Call API interface to implement segmented downloading of video files in MP4 format
2. Operating instructions
2.1 Set the storage server to save MP4 format files
Document reference: #2198
2.2 API to obtain session number
https://v7.cmsv8.com/StandardApiAction_login.action?account=cmsv6&password=cmsv6
2.3 query the terminal video file
https://v7.cmsv8.com/StandardApiAction_getVideoFileInfo.action?DevIDNO=990108&LOC=1&CHN=0&YEAR=2023&MON=06&DAY=19&RECTYPE=-1&FILEATTR=2&BEG=0&END=86399&ARM1=0&ARM2=0&RES=0&STREAM=0&STORE=0&jsession=d2063cefa2b34538b3b5ebf19dd1edc2
2.4 Add a segmented download task
With the downtaskurl returned in step 3, complete the jsession session number and lab label, dtp = 2 and execute, returning result:0, as shown in the following example:
https://v7.cmsv8.com/StandardApiAction_addDownloadTask.action?jsession=d2063cefa2b34538b3b5ebf19dd1edc2&did=990108&fbtm=2023-06-19 00:25:55&fetm=2023-06-19 00:37:21&sbtm=2023-06-19 00:25:55&setm=2023-06-19 00:37:21&lab=&fph=/var/disk0/rec_file/rec1488.cv1&vtp=0&len=536863475&chn=0&dtp=2
2.5 Download MP4 file to local
Wait for the file download to complete, search for the storage server video, LOC = 2
https://v7.cmsv8.com/StandardApiAction_getVideoFileInfo.action?DevIDNO=990108&LOC=2&CHN=0&YEAR=2023&MON=06&DAY=19&RECTYPE=-1&FILEATTR=2&BEG=0&END=86399&ARM1=0&ARM2=0&RES=0&STREAM=0&STORE=0&jsession=d2063cefa2b34538b3b5ebf19dd1edc2
Use the returned URL with MP4 format to download to the local, customize SAVENAME =20230619.mp4, and start downloading MP4 files after execution
https://v7.cmsv8.com:16611/3/5?DownType=3&jsession=&DevIDNO=990108&FILELOC=2&FLENGTH=269750640&FOFFSET=0&MTYPE=1&FPATH=C:/gStorage/RECORD_FILE/990108/2023-06-19/990108_0-230619-042536-043702-20010100.mp4&SAVENAME=20230619.mp4
