move mutex into function as Windows has problems with global mutex in…

…itialization (#951)
strukturag · Oct 9, 2023 · 01057a6 · 01057a6
1 parent 4a628bc
commit 01057a6
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/libheif/color-conversion/colorconversion.cc b/libheif/color-conversion/colorconversion.cc
@@ -207,13 +207,11 @@ std::ostream& operator<<(std::ostream& ostr, const ColorState& state)
 }
 
 std::vector<std::shared_ptr<ColorConversionOperation>> ColorConversionPipeline::m_operation_pool;
-#if ENABLE_MULTITHREADING_SUPPORT
-std::mutex init_ops_mutex;
-#endif
 
 void ColorConversionPipeline::init_ops()
 {
 #if ENABLE_MULTITHREADING_SUPPORT
+  static std::mutex init_ops_mutex;
   std::lock_guard<std::mutex> lock(init_ops_mutex);
 #endif
   if (!m_operation_pool.empty()) {