Update aom to commit id e87fb2378f01103d5d6e477a4ef6892dc714e614

1 files changed, 42 insertions, 0 deletions

diff --git a/third_party/aom/av1/encoder/hash.h b/third_party/aom/av1/encoder/hash.h
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+++ b/third_party/aom/av1/encoder/hash.h
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+/*
+ * Copyright (c) 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.
+ */
+
+#ifndef AV1_ENCODER_HASH_H_
+#define AV1_ENCODER_HASH_H_
+
+#include "./aom_config.h"
+#include "aom/aom_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct _crc_calculator {
+  uint32_t remainder;
+  uint32_t trunc_poly;
+  uint32_t bits;
+  uint32_t table[256];
+  uint32_t final_result_mask;
+} CRC_CALCULATOR;
+
+// Initialize the crc calculator. It must be executed at least once before
+// calling av1_get_crc_value().
+void av1_crc_calculator_init(CRC_CALCULATOR *p_crc_calculator, uint32_t bits,
+                             uint32_t truncPoly);
+
+uint32_t av1_get_crc_value(CRC_CALCULATOR *p_crc_calculator, uint8_t *p,
+                           int length);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AV1_ENCODER_HASH_H_