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- Perform the search by captions or by video clips as described above.
- The archive results are shown as a list of entries. Click the right mouse button on a field of interest in the list of results. The menu with Video query and Frame query items is displayed.
- If Video query item is selected, the Video query dialog box appears. You can also call this dialog box by clicking Video button in the Query group.
- The Date and time (1) and Camera (2) fields are filled in automatically.
The Length (sec) field (3) allows specifying the received video fragment duration.
Info title Note. If the Not used value is selected in the Export to avi parameter (5), then one or more clips will be exported which contain the specified time interval relative to the date and time. In the context of a single clip, it's impossible to request only a part of it.
If you try to set the value of the Length (sec) field to over 120, the value of 120 is offered. This is done to remind the user that such requests can export a big data file from a video archive on ATM-Intellect Pro side. If you want to turn this limitation off, click Settings in the lower-left area of the Search in archive area. In the window that opens, change the value of the Maximum length of loaded video clip, sec field.
- If you want to decrease network load, set the Bandwidth __ KBps field (4) to the appropriate value.
The Export to avi parameter (5) allows you to select the format and codec of the requested video clip:
Not used - the video clip will be exported as an archive with a set of directories and files from the VIDEO folder.
Original - the video clip will be exported to an avi-file without transcoding.
Xvid - the video clip will be exported to an avi-file with the Xvid codec.
DivX - the video clip will be exported to an avi-file with the DivX codec.
x264- the video clip will be exported to an avi-file with the x264 codec.
Note title Attention! The export to an avi-file with the specified codec is performed on the ATM-Intellect Pro side using the AviExport.run module. The AviExport.run module version used on the ATM-Intellect Pro should be no lower than 4.10.5.3776, and the required codec should be installed. Otherwise, an error Frame or video clip is not found (archive export error) will be received.
Info title Note If the ATM-Intellect Pro version is lower than 11.0.1520, then the value of the Export to avi parameter will be automatically set to Not used without the possibility of changing it.
- In the Start area select time to perform request: Immediately or Schedule (6).
Timeout of video receiving is set in the Data receive timeout, sec field (7).
Info title Note If you request a clip that is longer than one minute, you have to increase the value of the Data receive timeout, sec. parameter. It i snecessary is necessary to do it, because it takes time to export a large video clip on the ATM-Intellect Pro side.
- If the Open immediately checkbox (8) is set, then after data downloaded completely they will be placed into the archive and visualized. Otherwise data will only be placed into the archive. To view such data you can use the ATM Monitoring Reports component.
- After all fields values are specified, press New.
You will get to the Downloads tab where the task performance process is displayed. During receipt of a video fragment, the file's size, amount downloaded and transmission speed are shown. You can stop loading the video fragment at any time, by clicking the Pause button.
Info title Note. In case data have stopped coming during the download, for example if connection with the object is lost, download will be restarted after a random time interval from 1 to 60 seconds. In case of the attempt failure, attempts will be made at intervals of 1 minute. Information on the time remaining to the restart is displayed in the Comment field. Any time you can restart loading manually using the Start button.
- If the Open immediately checkbox was set, after it is loaded, the video fragment will be played in the following way:
- on the ATM-Intellect Workstation and the Additional workplace using the Axxon Player utility, if the Not used value was selected in the Export to avi parameter.
- on the ATM-Intellect Workstation using the program specified in the AVI-files player parameter (see Setting up the reaction on receiving images and clips), if a value other than Not used was selected in the Export to avi parameter.
- on the Additional workplace using the program specified in the AVI-files player parameter (see Interface of Additional workplace configuration tool), if a value other than Not used was selected in the Export to avi parameter.
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To change the storage period for the temporary files, it is necesary to create the StoreVideoFiles string parameter in the Windows OS registry and set the required number of days as its value (for details, see Registry keys reference guide, for more information about working with the registry, see Working with Windows OS registry). Then it is necessary to restart the Videosrv.exe module. |
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