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Add description for metadata(-format) CLI options #4112

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May 21, 2025
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Add description for metadata(-format) CLI options #4112

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21 changes: 21 additions & 0 deletions documentation/asciidoc/computers/camera/rpicam_options_common.adoc
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Expand Up @@ -571,3 +571,24 @@ The number of buffers to allocate for still image capture or for video recording
==== `viewfinder-buffer-count`

As the `buffer-count` option, but applies when running in preview mode (that is `rpicam-hello` or the preview, not capture, phase of `rpicam-still`).

==== `metadata`

Save captured image metadata to a file or `-` for stdout. The fields in the metadata output will depend on the camera model in use.

See also `metadata-format`.

==== `metadata-format`

Format to save the metadata in. Accepts the following values:

* `txt` for text format
* `json` for JSON format

In text format, each line will have the form

key=value

In JSON format, the output is a JSON object.

This option does nothing unless `--metadata` is also specified.
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