| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| #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, int 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 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_ |