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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-07-20 14:47:33 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-07-28 14:14:00 +0300
commitf6d6181d3c91efa526b5027319331db9ac75f65b (patch)
tree080170ea014d5ceb58428f8e573ca6db0d6d599c /src/cam/sdl_texture_mjpg.h
parentdc1f4a91dfefa9f86202ab148e05fb901b6e3e73 (diff)
cam: sdl_sink: Pass a Span<const uint8_t> to SDLTexture::update()
The SDLTexture::update() function isn't meant to modify the data it receives. Make the Span type const to ensure this at compile time. While at it, pass the Span by value instead of reference, as a Span is only a pointer and size, which will fit in registers and will avoid pointer dereferences in the callee. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'src/cam/sdl_texture_mjpg.h')
-rw-r--r--src/cam/sdl_texture_mjpg.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cam/sdl_texture_mjpg.h b/src/cam/sdl_texture_mjpg.h
index 328c45a9..5141ed73 100644
--- a/src/cam/sdl_texture_mjpg.h
+++ b/src/cam/sdl_texture_mjpg.h
@@ -14,10 +14,10 @@ class SDLTextureMJPG : public SDLTexture
public:
SDLTextureMJPG(const SDL_Rect &rect);
- void update(const libcamera::Span<uint8_t> &data) override;
+ void update(libcamera::Span<const uint8_t> data) override;
private:
- int decompress(const libcamera::Span<uint8_t> &data);
+ int decompress(libcamera::Span<const uint8_t> data);
std::unique_ptr<unsigned char[]> rgb_;
};