ref: f6980ca68ec84336d3b089aa27a287a10807683c
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(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_