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Diffstat (limited to 'third_party/aom/av1/common/arm/av1_inv_txfm_neon.c')
| -rw-r--r-- | third_party/aom/av1/common/arm/av1_inv_txfm_neon.c | 844 |
1 files changed, 844 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/av1_inv_txfm_neon.c b/third_party/aom/av1/common/arm/av1_inv_txfm_neon.c new file mode 100644 index 000000000..51c991498 --- /dev/null +++ b/third_party/aom/av1/common/arm/av1_inv_txfm_neon.c @@ -0,0 +1,844 @@ +/* + * 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. + */ + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" +#include "config/av1_rtcd.h" + +#include "av1/common/av1_inv_txfm1d.h" +#include "av1/common/av1_inv_txfm1d_cfg.h" +#include "av1/common/av1_txfm.h" +#include "av1/common/enums.h" +#include "av1/common/idct.h" +#include "av1/common/arm/av1_inv_txfm_neon.h" + +static INLINE TxSetType find_TxSetType(TX_SIZE tx_size) { + const TX_SIZE tx_size_sqr_up = txsize_sqr_up_map[tx_size]; + TxSetType tx_set_type; + if (tx_size_sqr_up > TX_32X32) { + tx_set_type = EXT_TX_SET_DCTONLY; + } else if (tx_size_sqr_up == TX_32X32) { + tx_set_type = EXT_TX_SET_DCT_IDTX; + } else { + tx_set_type = EXT_TX_SET_ALL16; + } + return tx_set_type; +} + +// 1D itx types +typedef enum ATTRIBUTE_PACKED { + IDCT_1D, + IADST_1D, + IFLIPADST_1D = IADST_1D, + IIDENTITY_1D, + ITX_TYPES_1D, +} ITX_TYPE_1D; + +static const ITX_TYPE_1D vitx_1d_tab[TX_TYPES] = { + IDCT_1D, IADST_1D, IDCT_1D, IADST_1D, + IFLIPADST_1D, IDCT_1D, IFLIPADST_1D, IADST_1D, + IFLIPADST_1D, IIDENTITY_1D, IDCT_1D, IIDENTITY_1D, + IADST_1D, IIDENTITY_1D, IFLIPADST_1D, IIDENTITY_1D, +}; + +static const ITX_TYPE_1D hitx_1d_tab[TX_TYPES] = { + IDCT_1D, IDCT_1D, IADST_1D, IADST_1D, + IDCT_1D, IFLIPADST_1D, IFLIPADST_1D, IFLIPADST_1D, + IADST_1D, IIDENTITY_1D, IIDENTITY_1D, IDCT_1D, + IIDENTITY_1D, IADST_1D, IIDENTITY_1D, IFLIPADST_1D, +}; + +// 1D functions +static const transform_1d_neon lowbd_txfm_all_1d_arr[TX_SIZES][ITX_TYPES_1D] = { + { av1_idct4_new, av1_iadst4_new, av1_iidentity4_c }, + { av1_idct8_new, av1_iadst8_new, av1_iidentity8_c }, + { av1_idct16_new, av1_iadst16_new, av1_iidentity16_c }, + { av1_idct32_new, NULL, NULL }, + { av1_idct64_new, NULL, NULL }, +}; + +// Functions for blocks with eob at DC and within +// topleft 8x8, 16x16, 32x32 corner +static const transform_1d_neon + lowbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = { + { + { av1_idct4_new, av1_idct4_new, NULL, NULL }, + { av1_iadst4_new, av1_iadst4_new, NULL, NULL }, + { av1_iidentity4_c, av1_iidentity4_c, NULL, NULL }, + }, + { { av1_idct8_new, av1_idct8_new, NULL, NULL }, + { av1_iadst8_new, av1_iadst8_new, NULL, NULL }, + { av1_iidentity8_c, av1_iidentity8_c, NULL, NULL } }, + { + { av1_idct16_new, av1_idct16_new, av1_idct16_new, NULL }, + { av1_iadst16_new, av1_iadst16_new, av1_iadst16_new, NULL }, + { av1_iidentity16_c, av1_iidentity16_c, av1_iidentity16_c, NULL }, + }, + { { av1_idct32_new, av1_idct32_new, av1_idct32_new, av1_idct32_new }, + { NULL, NULL, NULL, NULL }, + { av1_iidentity32_c, av1_iidentity32_c, av1_iidentity32_c, + av1_iidentity32_c } }, + { { av1_idct64_new, av1_idct64_new, av1_idct64_new, av1_idct64_new }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL } } + }; +static INLINE void lowbd_inv_txfm2d_add_idtx_neon(const int32_t *input, + uint8_t *output, int stride, + TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + for (r = 0; r < txfm_size_row; ++r) temp_in[r] = buf[r * txfm_size_col + c]; + + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_v_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_h_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_4x4_neon(const int32_t *input, + uint8_t *output, int stride, + TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 4 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_4x8_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 8 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_8x4_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[8 * 4 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_4x16_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 16 + 16 + 16]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_16x4_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + + DECLARE_ALIGNED(32, int, txfm_buf[16 * 4 + 16 + 16]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_no_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[64 * 64 + 64 + 64]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby, ud_flip, lr_flip, row_start; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + const int bd = 8; + int r; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + row_start = (buf_size_nonzero_h_div8 << 3); + + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_universe_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + switch (tx_type) { + case IDTX: + lowbd_inv_txfm2d_add_idtx_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case H_DCT: + case H_ADST: + case H_FLIPADST: + lowbd_inv_txfm2d_add_v_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + case V_DCT: + case V_ADST: + case V_FLIPADST: + lowbd_inv_txfm2d_add_h_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + default: + lowbd_inv_txfm2d_add_no_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + } +} +void av1_lowbd_inv_txfm2d_add_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + int row; + switch (tx_size) { + case TX_4X4: + lowbd_inv_txfm2d_add_4x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_4X8: + lowbd_inv_txfm2d_add_4x8_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_8X4: + lowbd_inv_txfm2d_add_8x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_4X16: + lowbd_inv_txfm2d_add_4x16_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_16X4: + lowbd_inv_txfm2d_add_16x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_16X64: { + lowbd_inv_txfm2d_add_universe_neon(input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X16: { + int32_t mod_input[64 * 16]; + for (row = 0; row < 16; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_32X64: { + lowbd_inv_txfm2d_add_universe_neon(input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X32: { + int32_t mod_input[64 * 32]; + for (row = 0; row < 32; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X64: { + int32_t mod_input[64 * 64]; + for (row = 0; row < 32; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + default: + lowbd_inv_txfm2d_add_universe_neon(input, output, stride, tx_type, + tx_size, eob); + break; + } +} +void av1_inv_txfm_add_neon(const tran_low_t *dqcoeff, uint8_t *dst, int stride, + const TxfmParam *txfm_param) { + const TX_TYPE tx_type = txfm_param->tx_type; + if (!txfm_param->lossless) { + av1_lowbd_inv_txfm2d_add_neon(dqcoeff, dst, stride, tx_type, + txfm_param->tx_size, txfm_param->eob); + } else { + av1_inv_txfm_add_c(dqcoeff, dst, stride, txfm_param); + } +} |