chromium/third_party/libaom/source/libaom/aom_dsp/intrapred_common.h

/*
 * 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_INTRAPRED_COMMON_H_
#define AOM_AOM_DSP_INTRAPRED_COMMON_H_

#include "config/aom_config.h"

// Weights are quadratic from '1' to '1 / block_size', scaled by
// 2^SMOOTH_WEIGHT_LOG2_SCALE.
#define SMOOTH_WEIGHT_LOG2_SCALE …

// Note these arrays are aligned to ensure NEON loads using a cast to uint32_t*
// have sufficient alignment. Using 8 preserves the potential for an alignment
// hint in load_weight_w8(). For that case, this could be increased to 16 to
// allow an aligned load in x86.
DECLARE_ALIGNED(8, static const uint8_t, smooth_weights[]) = …;

DECLARE_ALIGNED(8, static const uint16_t, smooth_weights_u16[]) = …;

#endif  // AOM_AOM_DSP_INTRAPRED_COMMON_H_