fixed video_desc_to_string returning same desc

The function returned description was not updated by subsequent call, because the returned thread_local variable is initialized statically.
CESNET · Jul 24, 2023 · 41da22a · 41da22a
1 parent c2c7a2d
commit 41da22a
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/video.cpp b/src/video.cpp
@@ -237,8 +237,9 @@ video_desc::operator string() const
 
 const char *video_desc_to_string(struct video_desc d)
 {
-        thread_local string s = d;
-        return s.c_str();
+        thread_local string desc_str;
+        desc_str = d;
+        return desc_str.c_str();
 }
 
 /**