fix wrong AVIF chroma parsing

strukturag · Oct 4, 2024 · 098da51 · 098da51
1 parent a47b217
commit 098da51
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/libheif/codecs/avif_boxes.h b/libheif/codecs/avif_boxes.h
@@ -64,13 +64,13 @@ class Box_av1C : public Box
     //unsigned int (8)[] configOBUs;
 
     heif_chroma get_heif_chroma() const {
-      if (chroma_subsampling_x==2 && chroma_subsampling_y==2) {
+      if (chroma_subsampling_x==1 && chroma_subsampling_y==1) {
         return heif_chroma_420;
       }
-      else if (chroma_subsampling_x==2 && chroma_subsampling_y==1) {
+      else if (chroma_subsampling_x==1 && chroma_subsampling_y==0) {
         return heif_chroma_422;
       }
-      else if (chroma_subsampling_x==1 && chroma_subsampling_y==1) {
+      else if (chroma_subsampling_x==0 && chroma_subsampling_y==0) {
         return heif_chroma_444;
       }
       else {