[ aws . kinesis-video-archived-media ]

get-images

Description

Retrieves a list of Images corresponding to each timestamp for a given time range, sampling interval, and image format configuration.

See also: AWS API Documentation

See ‘aws help’ for descriptions of global parameters.

get-images is a paginated operation. Multiple API calls may be issued in order to retrieve the entire data set of results. You can disable pagination by providing the --no-paginate argument. When using --output text and the --query argument on a paginated response, the --query argument must extract data from the results of the following query expressions: Images

Synopsis

  get-images
[--stream-name <value>]
[--stream-arn <value>]
--image-selector-type <value>
--start-timestamp <value>
--end-timestamp <value>
--sampling-interval <value>
--format <value>
[--format-config <value>]
[--width-pixels <value>]
[--height-pixels <value>]
[--cli-input-json | --cli-input-yaml]
[--starting-token <value>]
[--page-size <value>]
[--max-items <value>]
[--generate-cli-skeleton <value>]

Options

--stream-name (string)

The name of the stream from which to retrieve the images. You must specify either the StreamName or the StreamARN .

--stream-arn (string)

The Amazon Resource Name (ARN) of the stream from which to retrieve the images. You must specify either the StreamName or the StreamARN .

--image-selector-type (string)

The origin of the Server or Producer timestamps to use to generate the images.

Possible values:

• PRODUCER_TIMESTAMP

• SERVER_TIMESTAMP

--start-timestamp (timestamp)

The starting point from which the images should be generated. This StartTimestamp must be within an inclusive range of timestamps for an image to be returned.

--end-timestamp (timestamp)

The end timestamp for the range of images to be generated.

--sampling-interval (integer)

The time interval in milliseconds (ms) at which the images need to be generated from the stream. The minimum value that can be provided is 3000 ms. If the timestamp range is less than the sampling interval, the Image from the startTimestamp will be returned if available.

Note

The minimum value of 3000 ms is a soft limit. If needed, a lower sampling frequency can be requested.

--format (string)

The format that will be used to encode the image.

Possible values:

• JPEG

• PNG

--format-config (map)

The list of a key-value pair structure that contains extra parameters that can be applied when the image is generated. The FormatConfig key is the JPEGQuality , which indicates the JPEG quality key to be used to generate the image. The FormatConfig value accepts ints from 1 to 100. If the value is 1, the image will be generated with less quality and the best compression. If the value is 100, the image will be generated with the best quality and less compression. If no value is provided, the default value of the JPEGQuality key will be set to 80.

key -> (string)

value -> (string)

Shorthand Syntax:

  KeyName1=string,KeyName2=string

Where valid key names are:
  JPEGQuality

JSON Syntax:

{"JPEGQuality": "string"
  ...}

--width-pixels (integer)

The width of the output image that is used in conjunction with the HeightPixels parameter. When both WidthPixels and HeightPixels parameters are provided, the image will be stretched to fit the specified aspect ratio. If only the WidthPixels parameter is provided or if only the HeightPixels is provided, a ValidationException will be thrown. If neither parameter is provided, the original image size from the stream will be returned.

--height-pixels (integer)

The height of the output image that is used in conjunction with the WidthPixels parameter. When both HeightPixels and WidthPixels parameters are provided, the image will be stretched to fit the specified aspect ratio. If only the HeightPixels parameter is provided, its original aspect ratio will be used to calculate the WidthPixels ratio. If neither parameter is provided, the original image size will be returned.

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--starting-token (string)

A token to specify where to start paginating. This is the NextToken from a previously truncated response.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--page-size (long)

The size of each page to get in the AWS service call. This does not affect the number of items returned in the command’s output. Setting a smaller page size results in more calls to the AWS service, retrieving fewer items in each call. This can help prevent the AWS service calls from timing out.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--max-items (long)

The total number of items to return in the command’s output. If the total number of items available is more than the value specified, a NextToken is provided in the command’s output. To resume pagination, provide the NextToken value in the starting-token argument of a subsequent command. Do not use the NextToken response element directly outside of the AWS CLI.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See ‘aws help’ for descriptions of global parameters.

Output

Images -> (list)

The list of images generated from the video stream. If there is no media available for the given timestamp, the NO_MEDIA error will be listed in the output. If an error occurs while the image is being generated, the MEDIA_ERROR will be listed in the output as the cause of the missing image.

(structure)

A structure that contains the Timestamp , Error , and ImageContent .

TimeStamp -> (timestamp)

An attribute of the Image object that is used to extract an image from the video stream. This field is used to manage gaps on images or to better understand the pagination window.

Error -> (string)

The error message shown when the image for the provided timestamp was not extracted due to a non-tryable error. An error will be returned if:

• There is no media that exists for the specified Timestamp .

• The media for the specified time does not allow an image to be extracted. In this case the media is audio only, or the incorrect media has been ingested.

ImageContent -> (string)

An attribute of the Image object that is Base64 encoded.

NextToken -> (string)

The encrypted token that was used in the request to get more images.