Return config before create

gen2brain · Mar 9, 2024 · e33a90d · e33a90d
1 parent 2ef0b89
commit e33a90d
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/decode_dynamic.go b/decode_dynamic.go
@@ -46,6 +46,10 @@ func decodeDynamic(r io.Reader, configOnly bool) (image.Image, image.Config, err
 	cfg.Height = heifImageHandleGetHeight(handle)
 	cfg.ColorModel = color.NRGBAModel
 
+	if configOnly {
+		return nil, cfg, nil
+	}
+
 	img := &heifImage{}
 	e = heifImageCreate(cfg.Width, cfg.Height, heifColorspaceRgb, heifChromaInterleavedRgba, &img)
 	if e.Code != 0 {
@@ -58,10 +62,6 @@ func decodeDynamic(r io.Reader, configOnly bool) (image.Image, image.Config, err
 		return nil, cfg, ErrDecode
 	}
 
-	if configOnly {
-		return nil, cfg, nil
-	}
-
 	options := heifDecodingOptionsAlloc()
 	options.ConvertHdrTo8bit = 1
 	defer heifDecodingOptionsFree(options)