Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 40 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/partition.h b/third_party/aom/av1/common/partition.h
new file mode 100644
index 000000000..bd308f94f
--- /dev/null
+++ b/third_party/aom/av1/common/partition.h
@@ -0,0 +1,40 @@
+/*
+ * 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(_partition_H)
+# define _partition_H
+
+#include "av1/common/enums.h"
+#include "odintrin.h"
+
+typedef unsigned char index_pair[2];
+
+typedef struct {
+  const index_pair **const dst_table;
+  int size;
+  int nb_bands;
+  const int *const band_offsets;
+} band_layout;
+
+extern const int *const OD_BAND_OFFSETS[OD_TXSIZES + 1];
+
+void od_raster_to_coding_order(tran_low_t *dst, int n,  TX_TYPE ty_type,
+ const tran_low_t *src, int stride);
+
+void od_coding_order_to_raster(tran_low_t *dst, int stride,  TX_TYPE ty_type,
+ const tran_low_t *src, int n);
+
+void od_raster_to_coding_order_16(int16_t *dst, int n, const int16_t *src,
+ int stride);
+
+#endif