1 files changed, 35 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/rect.h b/third_party/aom/aom_dsp/rect.h
new file mode 100644
index 0000000000..11bdaca979
--- /dev/null
+++ b/third_party/aom/aom_dsp/rect.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2022, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_DSP_RECT_H_
+#define AOM_AOM_DSP_RECT_H_
+
+#include "config/aom_config.h"
+
+#include <stdbool.h>
+
+// Struct representing a rectangle of pixels.
+// The axes are inclusive-exclusive, ie. the point (top, left) is included
+// in the rectangle but (bottom, right) is not.
+typedef struct {
+  int left, right, top, bottom;
+} PixelRect;
+
+static INLINE int rect_width(const PixelRect *r) { return r->right - r->left; }
+
+static INLINE int rect_height(const PixelRect *r) { return r->bottom - r->top; }
+
+static INLINE bool is_inside_rect(const int x, const int y,
+                                  const PixelRect *r) {
+  return (r->left <= x && x < r->right) && (r->top <= y && y < r->bottom);
+}
+
+#endif  // AOM_AOM_DSP_RECT_H_