1 /* 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_DSP_MIPS_INV_TXFM_DSPR2_H_ 12 #define VPX_DSP_MIPS_INV_TXFM_DSPR2_H_ 13 14 #include <assert.h> 15 16 #include "./vpx_config.h" 17 #include "vpx/vpx_integer.h" 18 #include "vpx_dsp/inv_txfm.h" 19 #include "vpx_dsp/mips/common_dspr2.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #if HAVE_DSPR2 26 #define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) \ 27 ({ \ 28 \ 29 int32_t tmp, out; \ 30 int dct_cost_rounding = DCT_CONST_ROUNDING; \ 31 int in = input; \ 32 \ 33 __asm__ __volatile__(/* out = dct_const_round_shift(dc * cospi_16_64); */ \ 34 "mtlo %[dct_cost_rounding], $ac1 " \ 35 " \n\t" \ 36 "mthi $zero, $ac1 " \ 37 " \n\t" \ 38 "madd $ac1, %[in], " \ 39 "%[cospi_16_64] \n\t" \ 40 "extp %[tmp], $ac1, " \ 41 "31 \n\t" \ 42 \ 43 /* out = dct_const_round_shift(out * cospi_16_64); */ \ 44 "mtlo %[dct_cost_rounding], $ac2 " \ 45 " \n\t" \ 46 "mthi $zero, $ac2 " \ 47 " \n\t" \ 48 "madd $ac2, %[tmp], " \ 49 "%[cospi_16_64] \n\t" \ 50 "extp %[out], $ac2, " \ 51 "31 \n\t" \ 52 \ 53 : [tmp] "=&r"(tmp), [out] "=r"(out) \ 54 : [in] "r"(in), \ 55 [dct_cost_rounding] "r"(dct_cost_rounding), \ 56 [cospi_16_64] "r"(cospi_16_64)); \ 57 out; \ 58 }) 59 60 void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride); 61 void vpx_idct4_rows_dspr2(const int16_t *input, int16_t *output); 62 void vpx_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride); 63 void iadst4_dspr2(const int16_t *input, int16_t *output); 64 void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows); 65 void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride); 66 void iadst8_dspr2(const int16_t *input, int16_t *output); 67 void idct16_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows); 68 void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride); 69 void iadst16_dspr2(const int16_t *input, int16_t *output); 70 71 #endif // #if HAVE_DSPR2 72 #ifdef __cplusplus 73 } // extern "C" 74 #endif 75 76 #endif // VPX_DSP_MIPS_INV_TXFM_DSPR2_H_ 77
