From c09820d25c59950940a91c4c0e8c7e71121f44bc Mon Sep 17 00:00:00 2001
From: WyattBlue <wyattblue@auto-editor.com>
Date: Wed, 21 Jan 2026 03:31:57 -0500
Subject: [PATCH] Fix sws_scale const correctness for strict GCC

---
 av/video/reformatter.pyx       | 6 +++---
 include/libswscale/swscale.pxd | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/av/video/reformatter.pyx b/av/video/reformatter.pyx
index 4f6ec4c9f..465df6278 100644
--- a/av/video/reformatter.pyx
+++ b/av/video/reformatter.pyx
@@ -157,8 +157,8 @@ cdef class VideoReformatter:
         # We want to change the colorspace/color_range transforms.
         # We do that by grabbing all of the current settings, changing a
         # couple, and setting them all. We need a lot of state here.
-        cdef const int *inv_tbl
-        cdef const int *tbl
+        cdef int *inv_tbl
+        cdef int *tbl
         cdef int src_colorspace_range, dst_colorspace_range
         cdef int brightness, contrast, saturation
         cdef int ret
@@ -209,7 +209,7 @@ cdef class VideoReformatter:
         with nogil:
             lib.sws_scale(
                 self.ptr,
-                frame.ptr.data,
+                <const uint8_t *const *>frame.ptr.data,
                 frame.ptr.linesize,
                 0,  # slice Y
                 frame.ptr.height,
diff --git a/include/libswscale/swscale.pxd b/include/libswscale/swscale.pxd
index af7f7d134..a9698ecb3 100644
--- a/include/libswscale/swscale.pxd
+++ b/include/libswscale/swscale.pxd
@@ -49,11 +49,11 @@ cdef extern from "libswscale/swscale.h" nogil:
 
     cdef int sws_scale(
         SwsContext *ctx,
-        unsigned char **src_slice,
-        int *src_stride,
+        const unsigned char *const *src_slice,
+        const int *src_stride,
         int src_slice_y,
         int src_slice_h,
-        unsigned char **dst_slice,
+        unsigned char *const *dst_slice,
         int *dst_stride,
     )