| /* |
| * 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. |
| */ |
| |
| #include <assert.h> |
| #include <stdio.h> |
| |
| #include "./aom_config.h" |
| #include "./av1_rtcd.h" |
| #include "av1/common/common.h" |
| #include "av1/common/blockd.h" |
| #include "av1/common/idct.h" |
| #include "aom_dsp/mips/inv_txfm_dspr2.h" |
| #include "aom_dsp/txfm_common.h" |
| #include "aom_ports/mem.h" |
| |
| #if HAVE_DSPR2 |
| void av1_iht4x4_16_add_dspr2(const int16_t *input, uint8_t *dest, |
| int dest_stride, FWD_TXFM_PARAM *param) { |
| int i, j; |
| DECLARE_ALIGNED(32, int16_t, out[4 * 4]); |
| int16_t *outptr = out; |
| int16_t temp_in[4 * 4], temp_out[4]; |
| uint32_t pos = 45; |
| int tx_type = param->tx_type; |
| |
| /* bit positon for extract from acc */ |
| __asm__ __volatile__("wrdsp %[pos], 1 \n\t" |
| : |
| : [pos] "r"(pos)); |
| |
| switch (tx_type) { |
| case DCT_DCT: // DCT in both horizontal and vertical |
| aom_idct4_rows_dspr2(input, outptr); |
| aom_idct4_columns_add_blk_dspr2(&out[0], dest, dest_stride); |
| break; |
| case ADST_DCT: // ADST in vertical, DCT in horizontal |
| aom_idct4_rows_dspr2(input, outptr); |
| |
| outptr = out; |
| |
| for (i = 0; i < 4; ++i) { |
| iadst4_dspr2(outptr, temp_out); |
| |
| for (j = 0; j < 4; ++j) |
| dest[j * dest_stride + i] = clip_pixel( |
| ROUND_POWER_OF_TWO(temp_out[j], 4) + dest[j * dest_stride + i]); |
| |
| outptr += 4; |
| } |
| break; |
| case DCT_ADST: // DCT in vertical, ADST in horizontal |
| for (i = 0; i < 4; ++i) { |
| iadst4_dspr2(input, outptr); |
| input += 4; |
| outptr += 4; |
| } |
| |
| for (i = 0; i < 4; ++i) { |
| for (j = 0; j < 4; ++j) { |
| temp_in[i * 4 + j] = out[j * 4 + i]; |
| } |
| } |
| aom_idct4_columns_add_blk_dspr2(&temp_in[0], dest, dest_stride); |
| break; |
| case ADST_ADST: // ADST in both directions |
| for (i = 0; i < 4; ++i) { |
| iadst4_dspr2(input, outptr); |
| input += 4; |
| outptr += 4; |
| } |
| |
| for (i = 0; i < 4; ++i) { |
| for (j = 0; j < 4; ++j) temp_in[j] = out[j * 4 + i]; |
| iadst4_dspr2(temp_in, temp_out); |
| |
| for (j = 0; j < 4; ++j) |
| dest[j * dest_stride + i] = clip_pixel( |
| ROUND_POWER_OF_TWO(temp_out[j], 4) + dest[j * dest_stride + i]); |
| } |
| break; |
| default: printf("av1_short_iht4x4_add_dspr2 : Invalid tx_type\n"); break; |
| } |
| } |
| #endif // #if HAVE_DSPR2 |