1 files changed, 24 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jpegli/downsample.h b/third_party/jpeg-xl/lib/jpegli/downsample.h
new file mode 100644
index 0000000000..9d87047758
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jpegli/downsample.h
@@ -0,0 +1,24 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#ifndef LIB_JPEGLI_DOWNSAMPLE_H_
+#define LIB_JPEGLI_DOWNSAMPLE_H_
+
+/* clang-format off */
+#include <stdio.h>
+#include <jpeglib.h>
+/* clang-format on */
+
+namespace jpegli {
+
+void ChooseDownsampleMethods(j_compress_ptr cinfo);
+
+void DownsampleInputBuffer(j_compress_ptr cinfo);
+
+void ApplyInputSmoothing(j_compress_ptr cinfo);
+
+}  // namespace jpegli
+
+#endif  // LIB_JPEGLI_DOWNSAMPLE_H_