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libcamera: controls: Disallow arrays of arrays

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Arrays of arrays, even arrays of strings, are not supported by
the current `ControlValue` mechanism, so disable them for now
to trigger compile time errors if attempts are made to use them.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Barnabás Pőcze 2025-03-19 12:31:37 +01:00
parent 3569fed7af
commit 72c3deffbb
1 changed files with 1 additions and 1 deletions
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2
include/libcamera/controls.h
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@ -120,7 +120,7 @@ struct control_type<Point> {
};
template<typename T, std::size_t N>
struct control_type<Span<T, N>> : public control_type<std::remove_cv_t<T>> {
struct control_type<Span<T, N>, std::enable_if_t<control_type<std::remove_cv_t<T>>::size == 0>> : public control_type<std::remove_cv_t<T>> {
static constexpr std::size_t size = N;
};