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| author | Stefan Klug <stefan.klug@ideasonboard.com> | 2024-05-16 12:54:05 +0200 |
|---|---|---|
| committer | Stefan Klug <stefan.klug@ideasonboard.com> | 2024-06-11 15:11:11 +0200 |
| commit | 294ead848c3fa200b71062ed78550656a051cfbe (patch) | |
| tree | 3359b0b4092861c3804e53721fae995bd6760c23 /src | |
| parent | f3caea0ff7e63b529c9464f911162aa457e9b858 (diff) | |
libcamera: Add gamma control id
A camera gamma of roughly 2.2 is necessary to produce correct output
images on a standard monitor. Add a control for that.
Further information is available here:
https://en.wikipedia.org/wiki/SRGB
https://www.cambridgeincolour.com/tutorials/gamma-correction.htm
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcamera/control_ids_core.yaml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml index bf1f1a83..be191356 100644 --- a/src/libcamera/control_ids_core.yaml +++ b/src/libcamera/control_ids_core.yaml @@ -865,4 +865,11 @@ controls: description: | This is a long exposure image. + - Gamma: + type: float + description: | + Specify a fixed gamma value. Default must be 2.2 which closely mimics + sRGB gamma. Note that this is camera gamma, so it is applied as + 1.0/gamma + ... |