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-rw-r--r--third_party/aom/av1/common/zigzag.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/zigzag.h b/third_party/aom/av1/common/zigzag.h
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index 0000000000..c58b18b571
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+++ b/third_party/aom/av1/common/zigzag.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2001-2016, 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.
+ */
+
+/* clang-format off */
+
+#if !defined(_zigzag_H)
+# define _zigzag_H (1)
+
+extern const unsigned char OD_ZIGZAG4_DCT_DCT[15][2];
+extern const unsigned char OD_ZIGZAG4_ADST_DCT[15][2];
+extern const unsigned char OD_ZIGZAG4_DCT_ADST[15][2];
+#define OD_ZIGZAG4_ADST_ADST OD_ZIGZAG4_DCT_DCT
+
+extern const unsigned char OD_ZIGZAG8_DCT_DCT[48][2];
+extern const unsigned char OD_ZIGZAG8_ADST_DCT[48][2];
+extern const unsigned char OD_ZIGZAG8_DCT_ADST[48][2];
+#define OD_ZIGZAG8_ADST_ADST OD_ZIGZAG8_DCT_DCT
+
+extern const unsigned char OD_ZIGZAG16_DCT_DCT[192][2];
+extern const unsigned char OD_ZIGZAG16_ADST_DCT[192][2];
+extern const unsigned char OD_ZIGZAG16_DCT_ADST[192][2];
+#define OD_ZIGZAG16_ADST_ADST OD_ZIGZAG16_DCT_DCT
+
+extern const unsigned char OD_ZIGZAG32_DCT_DCT[768][2];
+#endif