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-rw-r--r--third_party/aom/aom_dsp/blend.h45
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diff --git a/third_party/aom/aom_dsp/blend.h b/third_party/aom/aom_dsp/blend.h
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--- a/third_party/aom/aom_dsp/blend.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 AOM_AOM_DSP_BLEND_H_
-#define AOM_AOM_DSP_BLEND_H_
-
-#include "aom_ports/mem.h"
-
-// Various blending functions and macros.
-// See also the aom_blend_* functions in aom_dsp_rtcd.h
-
-// Alpha blending with alpha values from the range [0, 64], where 64
-// means use the first input and 0 means use the second input.
-
-#define AOM_BLEND_A64_ROUND_BITS 6
-#define AOM_BLEND_A64_MAX_ALPHA (1 << AOM_BLEND_A64_ROUND_BITS) // 64
-
-#define AOM_BLEND_A64(a, v0, v1) \
- ROUND_POWER_OF_TWO((a) * (v0) + (AOM_BLEND_A64_MAX_ALPHA - (a)) * (v1), \
- AOM_BLEND_A64_ROUND_BITS)
-
-// Alpha blending with alpha values from the range [0, 256], where 256
-// means use the first input and 0 means use the second input.
-#define AOM_BLEND_A256_ROUND_BITS 8
-#define AOM_BLEND_A256_MAX_ALPHA (1 << AOM_BLEND_A256_ROUND_BITS) // 256
-
-#define AOM_BLEND_A256(a, v0, v1) \
- ROUND_POWER_OF_TWO((a) * (v0) + (AOM_BLEND_A256_MAX_ALPHA - (a)) * (v1), \
- AOM_BLEND_A256_ROUND_BITS)
-
-// Blending by averaging.
-#define AOM_BLEND_AVG(v0, v1) ROUND_POWER_OF_TWO((v0) + (v1), 1)
-
-#define DIFF_FACTOR_LOG2 4
-#define DIFF_FACTOR (1 << DIFF_FACTOR_LOG2)
-
-#endif // AOM_AOM_DSP_BLEND_H_