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/*
* Copyright (c) 2018, 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_AV1_COMMON_ARM_AV1_INV_TXFM_NEON_H_
#define AOM_AV1_COMMON_ARM_AV1_INV_TXFM_NEON_H_
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "aom/aom_integer.h"
#include "av1/common/enums.h"
#include "av1/common/av1_inv_txfm1d.h"
#include "av1/common/av1_inv_txfm1d_cfg.h"
#include "av1/common/av1_txfm.h"
typedef void (*transform_1d_neon)(const int32_t *input, int32_t *output,
const int8_t cos_bit,
const int8_t *stage_ptr);
typedef void (*transform_neon)(int16x8_t *input, int16x8_t *output,
int8_t cos_bit);
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x8_default[8]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_16x16_default[16]) = {
0x0707, 0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_32x32_default[32]) = {
0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f, 0x1f1f,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x16_default[16]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0f07, 0x0f07, 0x0f07,
0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_16x8_default[8]) = {
0x0707, 0x0707, 0x070f, 0x070f, 0x070f, 0x070f, 0x070f, 0x070f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_16x32_default[32]) = {
0x0707, 0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f0f,
0x0f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f, 0x1f0f,
};
DECLARE_ALIGNED(16, static const int16_t,
av1_eob_to_eobxy_32x16_default[16]) = {
0x0707, 0x0f0f, 0x0f0f, 0x0f0f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f,
0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f, 0x0f1f,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x32_default[32]) = {
0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0f07, 0x0f07, 0x0f07,
0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x0f07, 0x1f07, 0x1f07, 0x1f07,
0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07,
0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07, 0x1f07,
};
DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_32x8_default[8]) = {
0x0707, 0x070f, 0x070f, 0x071f, 0x071f, 0x071f, 0x071f, 0x071f,
};
DECLARE_ALIGNED(16, static const int16_t *,
av1_eob_to_eobxy_default[TX_SIZES_ALL]) = {
NULL,
av1_eob_to_eobxy_8x8_default,
av1_eob_to_eobxy_16x16_default,
av1_eob_to_eobxy_32x32_default,
av1_eob_to_eobxy_32x32_default,
NULL,
NULL,
av1_eob_to_eobxy_8x16_default,
av1_eob_to_eobxy_16x8_default,
av1_eob_to_eobxy_16x32_default,
av1_eob_to_eobxy_32x16_default,
av1_eob_to_eobxy_32x32_default,
av1_eob_to_eobxy_32x32_default,
NULL,
NULL,
av1_eob_to_eobxy_8x32_default,
av1_eob_to_eobxy_32x8_default,
av1_eob_to_eobxy_16x32_default,
av1_eob_to_eobxy_32x16_default,
};
static const int lowbd_txfm_all_1d_zeros_idx[32] = {
0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
};
// Transform block width in log2 for eob (size of 64 map to 32)
static const int tx_size_wide_log2_eob[TX_SIZES_ALL] = {
2, 3, 4, 5, 5, 2, 3, 3, 4, 4, 5, 5, 5, 2, 4, 3, 5, 4, 5,
};
static const int eob_fill[32] = {
0, 7, 7, 7, 7, 7, 7, 7, 15, 15, 15, 15, 15, 15, 15, 15,
31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
};
static inline void get_eobx_eoby_scan_default(int *eobx, int *eoby,
TX_SIZE tx_size, int eob) {
if (eob == 1) {
*eobx = 0;
*eoby = 0;
return;
}
const int tx_w_log2 = tx_size_wide_log2_eob[tx_size];
const int eob_row = (eob - 1) >> tx_w_log2;
const int eobxy = av1_eob_to_eobxy_default[tx_size][eob_row];
*eobx = eobxy & 0xFF;
*eoby = eobxy >> 8;
}
static inline void get_eobx_eoby_scan_v_identity(int *eobx, int *eoby,
TX_SIZE tx_size, int eob) {
eob -= 1;
const int txfm_size_row = tx_size_high[tx_size];
const int eoby_max = AOMMIN(32, txfm_size_row) - 1;
*eobx = eob / (eoby_max + 1);
*eoby = (eob >= eoby_max) ? eoby_max : eob_fill[eob];
}
static inline void get_eobx_eoby_scan_h_identity(int *eobx, int *eoby,
TX_SIZE tx_size, int eob) {
eob -= 1;
const int txfm_size_col = tx_size_wide[tx_size];
const int eobx_max = AOMMIN(32, txfm_size_col) - 1;
*eobx = (eob >= eobx_max) ? eobx_max : eob_fill[eob];
const int temp_eoby = eob / (eobx_max + 1);
assert(temp_eoby < 32);
*eoby = eob_fill[temp_eoby];
}
#endif // AOM_AV1_COMMON_ARM_AV1_INV_TXFM_NEON_H_