| /* |
| * 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_DSP_MIPS_INV_TXFM_DSPR2_H_ |
| #define AOM_DSP_MIPS_INV_TXFM_DSPR2_H_ |
| |
| #include <assert.h> |
| |
| #include "./aom_config.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/inv_txfm.h" |
| #include "aom_dsp/mips/common_dspr2.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if HAVE_DSPR2 |
| #define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) \ |
| ({ \ |
| \ |
| int32_t tmp, out; \ |
| int dct_cost_rounding = DCT_CONST_ROUNDING; \ |
| int in = input; \ |
| \ |
| __asm__ __volatile__(/* out = dct_const_round_shift(dc * cospi_16_64); */ \ |
| "mtlo %[dct_cost_rounding], $ac1 " \ |
| " \n\t" \ |
| "mthi $zero, $ac1 " \ |
| " \n\t" \ |
| "madd $ac1, %[in], " \ |
| "%[cospi_16_64] \n\t" \ |
| "extp %[tmp], $ac1, " \ |
| "31 \n\t" \ |
| \ |
| /* out = dct_const_round_shift(out * cospi_16_64); */ \ |
| "mtlo %[dct_cost_rounding], $ac2 " \ |
| " \n\t" \ |
| "mthi $zero, $ac2 " \ |
| " \n\t" \ |
| "madd $ac2, %[tmp], " \ |
| "%[cospi_16_64] \n\t" \ |
| "extp %[out], $ac2, " \ |
| "31 \n\t" \ |
| \ |
| : [tmp] "=&r"(tmp), [out] "=r"(out) \ |
| : [in] "r"(in), \ |
| [dct_cost_rounding] "r"(dct_cost_rounding), \ |
| [cospi_16_64] "r"(cospi_16_64)); \ |
| out; \ |
| }) |
| |
| void aom_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, |
| int dest_stride); |
| void aom_idct4_rows_dspr2(const int16_t *input, int16_t *output); |
| void aom_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, |
| int dest_stride); |
| void iadst4_dspr2(const int16_t *input, int16_t *output); |
| void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows); |
| void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, |
| int dest_stride); |
| void iadst8_dspr2(const int16_t *input, int16_t *output); |
| void idct16_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows); |
| void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int dest_stride); |
| void iadst16_dspr2(const int16_t *input, int16_t *output); |
| |
| #endif // #if HAVE_DSPR2 |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_DSP_MIPS_INV_TXFM_DSPR2_H_ |