1/* 2 * Copyright (c) 2015 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 VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ 12#define VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ 13 14#include "vpx_dsp/mips/fwd_txfm_msa.h" 15#include "vpx_dsp/mips/txfm_macros_msa.h" 16#include "vpx_ports/mem.h" 17 18#define VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, out0, out1, out2, \ 19 out3, out4, out5, out6, out7) \ 20 { \ 21 v8i16 cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst4_m; \ 22 v8i16 vec0_m, vec1_m, vec2_m, vec3_m, s0_m, s1_m; \ 23 v8i16 coeff0_m = { cospi_2_64, cospi_6_64, cospi_10_64, cospi_14_64, \ 24 cospi_18_64, cospi_22_64, cospi_26_64, cospi_30_64 }; \ 25 v8i16 coeff1_m = { cospi_8_64, -cospi_8_64, cospi_16_64, -cospi_16_64, \ 26 cospi_24_64, -cospi_24_64, 0, 0 }; \ 27 \ 28 SPLATI_H2_SH(coeff0_m, 0, 7, cnst0_m, cnst1_m); \ 29 cnst2_m = -cnst0_m; \ 30 ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \ 31 SPLATI_H2_SH(coeff0_m, 4, 3, cnst2_m, cnst3_m); \ 32 cnst4_m = -cnst2_m; \ 33 ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \ 34 \ 35 ILVRL_H2_SH(in0, in7, vec1_m, vec0_m); \ 36 ILVRL_H2_SH(in4, in3, vec3_m, vec2_m); \ 37 DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst1_m, \ 38 cnst2_m, cnst3_m, in7, in0, in4, in3); \ 39 \ 40 SPLATI_H2_SH(coeff0_m, 2, 5, cnst0_m, cnst1_m); \ 41 cnst2_m = -cnst0_m; \ 42 ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \ 43 SPLATI_H2_SH(coeff0_m, 6, 1, cnst2_m, cnst3_m); \ 44 cnst4_m = -cnst2_m; \ 45 ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \ 46 \ 47 ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \ 48 ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \ 49 \ 50 DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst1_m, \ 51 cnst2_m, cnst3_m, in5, in2, in6, in1); \ 52 BUTTERFLY_4(in7, in0, in2, in5, s1_m, s0_m, in2, in5); \ 53 out7 = -s0_m; \ 54 out0 = s1_m; \ 55 \ 56 SPLATI_H4_SH(coeff1_m, 0, 4, 1, 5, cnst0_m, cnst1_m, cnst2_m, cnst3_m); \ 57 \ 58 ILVEV_H2_SH(cnst3_m, cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst2_m); \ 59 cnst0_m = __msa_ilvev_h(cnst1_m, cnst0_m); \ 60 cnst1_m = cnst0_m; \ 61 \ 62 ILVRL_H2_SH(in4, in3, vec1_m, vec0_m); \ 63 ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \ 64 DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst2_m, \ 65 cnst3_m, cnst1_m, out1, out6, s0_m, s1_m); \ 66 \ 67 SPLATI_H2_SH(coeff1_m, 2, 3, cnst0_m, cnst1_m); \ 68 cnst1_m = __msa_ilvev_h(cnst1_m, cnst0_m); \ 69 \ 70 ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \ 71 ILVRL_H2_SH(s0_m, s1_m, vec3_m, vec2_m); \ 72 out3 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst0_m); \ 73 out4 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst1_m); \ 74 out2 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst0_m); \ 75 out5 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst1_m); \ 76 \ 77 out1 = -out1; \ 78 out3 = -out3; \ 79 out5 = -out5; \ 80 } 81 82#define VP9_FADST4(in0, in1, in2, in3, out0, out1, out2, out3) \ 83 { \ 84 v4i32 s0_m, s1_m, s2_m, s3_m, constant_m; \ 85 v4i32 in0_r_m, in1_r_m, in2_r_m, in3_r_m; \ 86 \ 87 UNPCK_R_SH_SW(in0, in0_r_m); \ 88 UNPCK_R_SH_SW(in1, in1_r_m); \ 89 UNPCK_R_SH_SW(in2, in2_r_m); \ 90 UNPCK_R_SH_SW(in3, in3_r_m); \ 91 \ 92 constant_m = __msa_fill_w(sinpi_4_9); \ 93 MUL2(in0_r_m, constant_m, in3_r_m, constant_m, s1_m, s0_m); \ 94 \ 95 constant_m = __msa_fill_w(sinpi_1_9); \ 96 s0_m += in0_r_m * constant_m; \ 97 s1_m -= in1_r_m * constant_m; \ 98 \ 99 constant_m = __msa_fill_w(sinpi_2_9); \ 100 s0_m += in1_r_m * constant_m; \ 101 s1_m += in3_r_m * constant_m; \ 102 \ 103 s2_m = in0_r_m + in1_r_m - in3_r_m; \ 104 \ 105 constant_m = __msa_fill_w(sinpi_3_9); \ 106 MUL2(in2_r_m, constant_m, s2_m, constant_m, s3_m, in1_r_m); \ 107 \ 108 in0_r_m = s0_m + s3_m; \ 109 s2_m = s1_m - s3_m; \ 110 s3_m = s1_m - s0_m + s3_m; \ 111 \ 112 SRARI_W4_SW(in0_r_m, in1_r_m, s2_m, s3_m, DCT_CONST_BITS); \ 113 PCKEV_H4_SH(in0_r_m, in0_r_m, in1_r_m, in1_r_m, s2_m, s2_m, s3_m, s3_m, \ 114 out0, out1, out2, out3); \ 115 } 116#endif /* VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ */ 117