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commit 8115a05aa56a4ef8e59b37c1b9907f6fa98ac8e6
Author:     Niklas Haas <[email protected]>
AuthorDate: Thu Feb 19 19:34:14 2026 +0100
Commit:     Niklas Haas <[email protected]>
CommitDate: Thu Mar 12 22:08:07 2026 +0100

    swscale: fix SWS_SPLINE documentation
    
    This was incorrectly inferred to be a Keys spline when the documentation
    was first added; but it's actually an "unwindowed" (in theory) natural
    cubic spline with C2 continuity everywhere, which is a completely different
    thing.
    
    (SWS_BICUBIC is closer to being a Keys spline)
    
    Sponsored-by: Sovereign Tech Fund
    Signed-off-by: Niklas Haas <[email protected]>
---
 libswscale/swscale.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index 1cfd4068f9..1ee24c22ad 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -107,7 +107,7 @@ typedef enum SwsFlags {
     SWS_GAUSS         = 1 <<  7, ///< gaussian approximation
     SWS_SINC          = 1 <<  8, ///< unwindowed sinc
     SWS_LANCZOS       = 1 <<  9, ///< 3-tap sinc/sinc
-    SWS_SPLINE        = 1 << 10, ///< cubic Keys spline
+    SWS_SPLINE        = 1 << 10, ///< unwindowed natural cubic spline
 
     /**
      * Return an error on underspecified conversions. Without this flag,

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