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Table of Contents



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Export start

POST httphttp://IP- Address:port/prefix/export/archive/{VIDEOSOURCEID}/{BEGINTIME}/{ENDTIME} - – archive export.
POST httphttp://IP- Address:port/prefix/export/live/{VIDEOSOURCEID}/{BEGINTIME}/{ENDTIME} - – live video export.

Tip

{VIDEOSOURCEID} - – the three-component source endpoint ID (see Get list of video cameras and information about them).   For instance, "SERVER1/DeviceIpint.3/SourceEndpoint.video:0:0".

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ParameterRequiredDescription
waittimeoutNo

Wait timeout in milliseconds required for a frame to arrive. The default value is 10. If the parameter value is less than the reference frames interval, then the export will not be performed.

It is recommended to set the value not less than 30.

archiveNoName of the archive in the hosts/SERVER1/MultimediaStorage.AliceBlue/MultimediaStorage format (see Get archive contents). If the value is not specified, the default archive will be used for export.

Sample request:

POST http://127.0.0.1:80/export/archive/Server1/DeviceIpint.1/SourceEndpoint.video:0:0/20200415T085456.908/20200415T085501.908?waittimeout=30

Request body example:

Code Block
{
    "format": "mp4",
    "vc": 4,
    "comment": "сomment"
}

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ParameterFormatDescriptionExample
formatString

Mandatory parameter. Available values are mp4, mkv, avi, exe, jpg and pdf. It sets the format of output export container.


maxfilesize

Number

Maximum export file size in bytes. A new file will be created when the size limit is exceeded. Export results in the collection of files. Default value is 0 (as a result, a single file).

"maxfilesize": 1e+6
"maxfilesize": 1000000
vc, acNumber

A compression quality level for video and audio respectively. Allowed values are from 0 to 6 (6 means the worst). Default value is 0.


freq Number

Frame rate of the output stream. Default value is 0. Available values:

  1. 0 – – original.
  2. 1 – – half of original.
  3. 2 - – quarter of original.
  4. 3 – – one-eighth of original.

tsformatString

A time stamp format template. Any string can be generated on the basis of http://www.boost.org/doc/libs/1_55_0/doc/html/date_time/date_time_io.html. Default value is %Y-%b-%d %H:%M:%S.

Attention! The Server does not check the format of the input string.

"tsformat": "%B %Y",
cropareaArea

A frame area for export (default value is [[0, 0], [1,1]] – the entire frame).

Image example:


Code Block
"croparea": [
        [
            0.3,
            0.3
        ],
        [
            0.8,
            0.8
        ]
    ]


maskspaceArea

A frame area for masking, set in coordinates. By default a frame is not masked.

The area is specified by at least 3 anchor points + 1 terminal point (coincides with one of the anchor points). The reference point is the upper left corner. You can specify multiple polygons.

Image example:


Code Block
"maskspace": [
    [
        [
            0.2,
            0.2
        ],
        [
            0.3,
            0.7
        ],
        [
            0.5,
            0.5
        ],
        [
            0.2,
            0.2
        ]
    ]
]


colorString

Text color of a comment and a time stamp. It is set in the #FFFFFF web format.

"color": "#e31e1e",
comment StringA comment.
Parameters relevant for PDF export only:
snapshotplaceAreaFrame location on the page.
commentplaceAreaComment location on the page.
tsplaceAreaTime stamp location on the page.
layoutNumber

Page layout. Available values are 0 (portrait), 1 (landscape).


Sample response:

Code Block
HTTP/1.1 202 Accepted
Connection: Close
Location: /export/3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3
Cache-Control: no-cache

...

Error codeDescription
400Incorrect request.
500Server internal error.

Get export status

GET httpGET http://IP- Address:port/export/{id}/status.

Tip

 id is  id is the value from the Location field from the Location field (here 3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3)

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ParameterDescription
state

Current state of export. Available values:
0 – export is not yet in perform.
1 – export is performed.
2 – export is completed.
3 – export error.
4 – not enough space to complete the operation.
5 – the file with the given name already exists.
6 – no data to export.

progressProgress of export session in the range from 0 to 1.
errorDescription of error (if any).
filesList of files created as the result of the export.

Download file

GET httpGET http://IP- Address:port/prefix/export/{id}/file

Tip

 id is  id is the value from the Location field from the Location field (here 3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3)

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This request deletes the created file on the Server.

DELETE DELETE http://IP -Address:port/prefix/export/{id}

Tip

 id is  id is the value from the Location field from the Location field (here 3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3)

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