From 9d2b5762d3a29e4b2758d3ca1a7d70e362c6febf Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Fri, 25 Nov 2022 19:29:19 +0100
Subject: [PATCH] avfilter/avf_a3dscope: fix crash when using vflip filter

---
 libavfilter/avf_a3dscope.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/avf_a3dscope.c b/libavfilter/avf_a3dscope.c
index f3bb39feaf..089c8d8c01 100644
--- a/libavfilter/avf_a3dscope.c
+++ b/libavfilter/avf_a3dscope.c
@@ -209,7 +209,7 @@ static void view_matrix(const float eye[3],
 static void draw_dot(AVFrame *out, unsigned x, unsigned y, float z,
                      int r, int g, int b)
 {
-    const int linesize = out->linesize[0];
+    const ptrdiff_t linesize = out->linesize[0];
     uint8_t *dst;
 
     dst = out->data[0] + y * linesize + x * 4;