| /* |
| * Copyright (c) 2015 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 VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ |
| #define VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ |
| |
| #include "vpx_dsp/mips/fwd_txfm_msa.h" |
| #include "vpx_dsp/mips/txfm_macros_msa.h" |
| #include "vpx_ports/mem.h" |
| |
| #define VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, \ |
| out0, out1, out2, out3, out4, out5, out6, out7) { \ |
| v8i16 cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst4_m; \ |
| v8i16 vec0_m, vec1_m, vec2_m, vec3_m, s0_m, s1_m; \ |
| v8i16 coeff0_m = { cospi_2_64, cospi_6_64, cospi_10_64, cospi_14_64, \ |
| cospi_18_64, cospi_22_64, cospi_26_64, cospi_30_64 }; \ |
| v8i16 coeff1_m = { cospi_8_64, -cospi_8_64, cospi_16_64, -cospi_16_64, \ |
| cospi_24_64, -cospi_24_64, 0, 0 }; \ |
| \ |
| SPLATI_H2_SH(coeff0_m, 0, 7, cnst0_m, cnst1_m); \ |
| cnst2_m = -cnst0_m; \ |
| ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \ |
| SPLATI_H2_SH(coeff0_m, 4, 3, cnst2_m, cnst3_m); \ |
| cnst4_m = -cnst2_m; \ |
| ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \ |
| \ |
| ILVRL_H2_SH(in0, in7, vec1_m, vec0_m); \ |
| ILVRL_H2_SH(in4, in3, vec3_m, vec2_m); \ |
| DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, \ |
| cnst1_m, cnst2_m, cnst3_m, in7, in0, \ |
| in4, in3); \ |
| \ |
| SPLATI_H2_SH(coeff0_m, 2, 5, cnst0_m, cnst1_m); \ |
| cnst2_m = -cnst0_m; \ |
| ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \ |
| SPLATI_H2_SH(coeff0_m, 6, 1, cnst2_m, cnst3_m); \ |
| cnst4_m = -cnst2_m; \ |
| ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \ |
| \ |
| ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \ |
| ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \ |
| \ |
| DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, \ |
| cnst1_m, cnst2_m, cnst3_m, in5, in2, \ |
| in6, in1); \ |
| BUTTERFLY_4(in7, in0, in2, in5, s1_m, s0_m, in2, in5); \ |
| out7 = -s0_m; \ |
| out0 = s1_m; \ |
| \ |
| SPLATI_H4_SH(coeff1_m, 0, 4, 1, 5, cnst0_m, cnst1_m, cnst2_m, cnst3_m); \ |
| \ |
| ILVEV_H2_SH(cnst3_m, cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst2_m); \ |
| cnst0_m = __msa_ilvev_h(cnst1_m, cnst0_m); \ |
| cnst1_m = cnst0_m; \ |
| \ |
| ILVRL_H2_SH(in4, in3, vec1_m, vec0_m); \ |
| ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \ |
| DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, \ |
| cnst2_m, cnst3_m, cnst1_m, out1, out6, \ |
| s0_m, s1_m); \ |
| \ |
| SPLATI_H2_SH(coeff1_m, 2, 3, cnst0_m, cnst1_m); \ |
| cnst1_m = __msa_ilvev_h(cnst1_m, cnst0_m); \ |
| \ |
| ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \ |
| ILVRL_H2_SH(s0_m, s1_m, vec3_m, vec2_m); \ |
| out3 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst0_m); \ |
| out4 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst1_m); \ |
| out2 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst0_m); \ |
| out5 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst1_m); \ |
| \ |
| out1 = -out1; \ |
| out3 = -out3; \ |
| out5 = -out5; \ |
| } |
| |
| #define VP9_FADST4(in0, in1, in2, in3, out0, out1, out2, out3) { \ |
| v4i32 s0_m, s1_m, s2_m, s3_m, constant_m; \ |
| v4i32 in0_r_m, in1_r_m, in2_r_m, in3_r_m; \ |
| \ |
| UNPCK_R_SH_SW(in0, in0_r_m); \ |
| UNPCK_R_SH_SW(in1, in1_r_m); \ |
| UNPCK_R_SH_SW(in2, in2_r_m); \ |
| UNPCK_R_SH_SW(in3, in3_r_m); \ |
| \ |
| constant_m = __msa_fill_w(sinpi_4_9); \ |
| MUL2(in0_r_m, constant_m, in3_r_m, constant_m, s1_m, s0_m); \ |
| \ |
| constant_m = __msa_fill_w(sinpi_1_9); \ |
| s0_m += in0_r_m * constant_m; \ |
| s1_m -= in1_r_m * constant_m; \ |
| \ |
| constant_m = __msa_fill_w(sinpi_2_9); \ |
| s0_m += in1_r_m * constant_m; \ |
| s1_m += in3_r_m * constant_m; \ |
| \ |
| s2_m = in0_r_m + in1_r_m - in3_r_m; \ |
| \ |
| constant_m = __msa_fill_w(sinpi_3_9); \ |
| MUL2(in2_r_m, constant_m, s2_m, constant_m, s3_m, in1_r_m); \ |
| \ |
| in0_r_m = s0_m + s3_m; \ |
| s2_m = s1_m - s3_m; \ |
| s3_m = s1_m - s0_m + s3_m; \ |
| \ |
| SRARI_W4_SW(in0_r_m, in1_r_m, s2_m, s3_m, DCT_CONST_BITS); \ |
| PCKEV_H4_SH(in0_r_m, in0_r_m, in1_r_m, in1_r_m, s2_m, s2_m, \ |
| s3_m, s3_m, out0, out1, out2, out3); \ |
| } |
| #endif /* VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ */ |
