ref: 5de049b0677eb4f2f0e9d4c4b4f0bd82d6ed17cd
dir: /vpx_dsp/mips/inv_txfm_dspr2.h/
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
#define VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
#include <assert.h>
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/inv_txfm.h"
#include "vpx_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(input_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 vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
int dest_stride);
void vpx_idct4_rows_dspr2(const int16_t *input, int16_t *output);
void vpx_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 // VPX_DSP_MIPS_INV_TXFM_DSPR2_H_