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/*
* 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
/* Note: this macro expects a local int32_t named out to exist, and will write
* to that variable. */
#define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) \
({ \
\
int32_t tmp; \
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_
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