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 int32_t tmp, out; \ 29 int dct_cost_rounding = DCT_CONST_ROUNDING; \ 30 int in = input; \ 31 \ 32 __asm__ __volatile__ ( \ 33 /* out = dct_const_round_shift(input_dc * cospi_16_64); */ \ 34 "mtlo %[dct_cost_rounding], $ac1 \n\t"\ 35 "mthi $zero, $ac1 \n\t"\ 36 "madd $ac1, %[in], %[cospi_16_64] \n\t"\ 37 "extp %[tmp], $ac1, 31 \n\t"\ 38 \ 39 /* out = dct_const_round_shift(out * cospi_16_64); */ \ 40 "mtlo %[dct_cost_rounding], $ac2 \n\t"\ 41 "mthi $zero, $ac2 \n\t"\ 42 "madd $ac2, %[tmp], %[cospi_16_64] \n\t"\ 43 "extp %[out], $ac2, 31 \n\t"\ 44 \ 45 : [tmp] "=&r" (tmp), [out] "=r" (out) \ 46 : [in] "r" (in), \ 47 [dct_cost_rounding] "r" (dct_cost_rounding), \ 48 [cospi_16_64] "r" (cospi_16_64) \ 49 ); \ 50 out; }) 51 52 void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, 53 int dest_stride); 54 void vpx_idct4_rows_dspr2(const int16_t *input, int16_t *output); 55 void vpx_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, 56 int dest_stride); 57 void iadst4_dspr2(const int16_t *input, int16_t *output); 58 void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows); 59 void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, 60 int dest_stride); 61 void iadst8_dspr2(const int16_t *input, int16_t *output); 62 void idct16_rows_dspr2(const int16_t *input, int16_t *output, 63 uint32_t no_rows); 64 void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, 65 int dest_stride); 66 void iadst16_dspr2(const int16_t *input, int16_t *output); 67 68 #endif // #if HAVE_DSPR2 69 #ifdef __cplusplus 70 } // extern "C" 71 #endif 72 73 #endif // VPX_DSP_MIPS_INV_TXFM_DSPR2_H_ 74