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Table of Contents



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Export start

POST http://IP-address Address:port/prefix/export/archive/{VIDEOSOURCEID}/{BEGINTIME}/{ENDTIME} − – archive export.
POST http://IP-address 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".

...

ParameterRequiredDescription
waittimeoutNo

Wait timeout in milliseconds required for a frame to arrive. The default value is 1010000. 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 3030000

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 POST http://127.0.0.1:80/export/archive/Server1/DeviceIpint.1/SourceEndpoint.video:0:0/20200415T085456.908/20200415T085501.908?waittimeout=3030000

Request body example:

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

The supported parameters that are sent in the body of the initial POST request:

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
 –
  1. – original
  2. 1
 –
  1. – half of original
  2. 2
−
  1. – quarter of original
  2. 3
 –
  1. – 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:

Image Modified


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:

Image Modified


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

Possible error codes:

Error codeDescription
400Incorrect request
500Server internal error

Get export status

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

Tip

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

Sample request:

GET http://127.0.0.1:80/export/3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3/status

Sample response:

Code Block
{
  "id": "38e3e286-c07c-490f-a452-e4b541b958c4",
  "state": 2,
  "progress": 1.000000000e+00,
  "error": "",
  "files": [
    "Server1_DeviceIpint.10[20190903T050000-20190903T050100].mp4"
  ],
  "filesFriendly": [
    "Server1_10.RHCP[20190903T050000-20190903T050100].mp4"
  ]
}

...

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 the files created as the result of the export

Download file

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

Tip

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

...

ParameterRequiredDescription
nameYes

Name of the file from the files field

Sample request:

GET http://127.0.0.1:80/export/3dc15b75-6463-4eb1-ab2d-0eb0a8f54bd3/file?name=Server1_DeviceIpint.10[20190903T050000-20190903T050100].mp4

...

This request deletes the created file on the Server.

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

Tip

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

...