grid: only use mutexes when parallel decoding is enabled, this is a s…

…ubset of ENABLE_MULTITHREADING_SUPPORT (#1377)
strukturag · Nov 9, 2024 · 08aba4a · 08aba4a
1 parent 3ce6149
commit 08aba4a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libheif/image-items/grid.cc b/libheif/image-items/grid.cc
@@ -446,7 +446,7 @@ Error ImageItem_Grid::decode_and_paste_tile_image(heif_item_id tileID, uint32_t
   // --- generate the image canvas for combining all the tiles
 
   if (!inout_image) { // this avoids that we normally have to lock a mutex
-#if ENABLE_MULTITHREADING_SUPPORT
+#if ENABLE_PARALLEL_TILE_DECODING
     static std::mutex createImageMutex;
     std::lock_guard<std::mutex> lock(createImageMutex);
 #endif
@@ -481,7 +481,7 @@ Error ImageItem_Grid::decode_and_paste_tile_image(heif_item_id tileID, uint32_t
   inout_image->copy_image_to(tile_img, x0, y0);
 
   if (options.on_progress) {
-#if ENABLE_MULTITHREADING_SUPPORT
+#if ENABLE_PARALLEL_TILE_DECODING
     static std::mutex progressMutex;
     std::lock_guard<std::mutex> lock(progressMutex);
 #endif