| /* |
| * 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_ |