diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/encoder/mips/msa/dct_msa.c')
| -rw-r--r-- | media/libvpx/libvpx/vp8/encoder/mips/msa/dct_msa.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/mips/msa/dct_msa.c b/media/libvpx/libvpx/vp8/encoder/mips/msa/dct_msa.c new file mode 100644 index 0000000000..3084667552 --- /dev/null +++ b/media/libvpx/libvpx/vp8/encoder/mips/msa/dct_msa.c @@ -0,0 +1,196 @@ +/* + * 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. + */ + +#include "./vp8_rtcd.h" +#include "vp8/common/mips/msa/vp8_macros_msa.h" + +#define TRANSPOSE4x4_H(in0, in1, in2, in3, out0, out1, out2, out3) \ + { \ + v8i16 s0_m, s1_m, tp0_m, tp1_m, tp2_m, tp3_m; \ + \ + ILVR_H2_SH(in2, in0, in3, in1, s0_m, s1_m); \ + ILVRL_H2_SH(s1_m, s0_m, tp0_m, tp1_m); \ + ILVL_H2_SH(in2, in0, in3, in1, s0_m, s1_m); \ + ILVRL_H2_SH(s1_m, s0_m, tp2_m, tp3_m); \ + PCKEV_D2_SH(tp2_m, tp0_m, tp3_m, tp1_m, out0, out2); \ + PCKOD_D2_SH(tp2_m, tp0_m, tp3_m, tp1_m, out1, out3); \ + } + +#define SET_DOTP_VALUES(coeff, val0, val1, val2, const1, const2) \ + { \ + v8i16 tmp0_m; \ + \ + SPLATI_H3_SH(coeff, val0, val1, val2, tmp0_m, const1, const2); \ + ILVEV_H2_SH(tmp0_m, const1, const2, tmp0_m, const1, const2); \ + } + +#define RET_1_IF_NZERO_H(in0) \ + ({ \ + v8i16 tmp0_m; \ + v8i16 one_m = __msa_ldi_h(1); \ + \ + tmp0_m = __msa_ceqi_h(in0, 0); \ + tmp0_m = tmp0_m ^ 255; \ + tmp0_m = one_m & tmp0_m; \ + \ + tmp0_m; \ + }) + +#define RET_1_IF_NZERO_W(in0) \ + ({ \ + v4i32 tmp0_m; \ + v4i32 one_m = __msa_ldi_w(1); \ + \ + tmp0_m = __msa_ceqi_w(in0, 0); \ + tmp0_m = tmp0_m ^ 255; \ + tmp0_m = one_m & tmp0_m; \ + \ + tmp0_m; \ + }) + +#define RET_1_IF_NEG_W(in0) \ + ({ \ + v4i32 tmp0_m; \ + \ + v4i32 one_m = __msa_ldi_w(1); \ + tmp0_m = __msa_clti_s_w(in0, 0); \ + tmp0_m = one_m & tmp0_m; \ + \ + tmp0_m; \ + }) + +void vp8_short_fdct4x4_msa(int16_t *input, int16_t *output, int32_t pitch) { + v8i16 in0, in1, in2, in3; + v8i16 temp0, temp1; + v8i16 const0, const1; + v8i16 coeff = { 2217, 5352, -5352, 14500, 7500, 12000, 25000, 26000 }; + v4i32 out0, out1, out2, out3; + v8i16 zero = { 0 }; + + LD_SH4(input, pitch / 2, in0, in1, in2, in3); + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + + BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); + SLLI_4V(temp0, temp1, in1, in3, 3); + in0 = temp0 + temp1; + in2 = temp0 - temp1; + SET_DOTP_VALUES(coeff, 0, 1, 2, const0, const1); + temp0 = __msa_ilvr_h(in3, in1); + in1 = __msa_splati_h(coeff, 3); + out0 = (v4i32)__msa_ilvev_h(zero, in1); + coeff = __msa_ilvl_h(zero, coeff); + out1 = __msa_splati_w((v4i32)coeff, 0); + DPADD_SH2_SW(temp0, temp0, const0, const1, out0, out1); + out0 >>= 12; + out1 >>= 12; + PCKEV_H2_SH(out0, out0, out1, out1, in1, in3); + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + + BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); + in0 = temp0 + temp1 + 7; + in2 = temp0 - temp1 + 7; + in0 >>= 4; + in2 >>= 4; + ILVR_H2_SW(zero, in0, zero, in2, out0, out2); + temp1 = RET_1_IF_NZERO_H(in3); + ILVR_H2_SH(zero, temp1, in3, in1, temp1, temp0); + SPLATI_W2_SW(coeff, 2, out3, out1); + out3 += out1; + out1 = __msa_splati_w((v4i32)coeff, 1); + DPADD_SH2_SW(temp0, temp0, const0, const1, out1, out3); + out1 >>= 16; + out3 >>= 16; + out1 += (v4i32)temp1; + PCKEV_H2_SH(out1, out0, out3, out2, in0, in2); + ST_SH2(in0, in2, output, 8); +} + +void vp8_short_fdct8x4_msa(int16_t *input, int16_t *output, int32_t pitch) { + v8i16 in0, in1, in2, in3; + v8i16 temp0, temp1, tmp0, tmp1; + v8i16 const0, const1, const2; + v8i16 coeff = { 2217, 5352, -5352, 14500, 7500, 12000, 25000, 26000 }; + v8i16 zero = { 0 }; + v4i32 vec0_w, vec1_w, vec2_w, vec3_w; + + LD_SH4(input, pitch / 2, in0, in1, in2, in3); + TRANSPOSE4x4_H(in0, in1, in2, in3, in0, in1, in2, in3); + + BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); + SLLI_4V(temp0, temp1, in1, in3, 3); + in0 = temp0 + temp1; + in2 = temp0 - temp1; + SET_DOTP_VALUES(coeff, 0, 1, 2, const1, const2); + temp0 = __msa_splati_h(coeff, 3); + vec1_w = (v4i32)__msa_ilvev_h(zero, temp0); + coeff = __msa_ilvl_h(zero, coeff); + vec3_w = __msa_splati_w((v4i32)coeff, 0); + ILVRL_H2_SH(in3, in1, tmp1, tmp0); + vec0_w = vec1_w; + vec2_w = vec3_w; + DPADD_SH4_SW(tmp1, tmp0, tmp1, tmp0, const1, const1, const2, const2, vec0_w, + vec1_w, vec2_w, vec3_w); + SRA_4V(vec1_w, vec0_w, vec3_w, vec2_w, 12); + PCKEV_H2_SH(vec1_w, vec0_w, vec3_w, vec2_w, in1, in3); + TRANSPOSE4x4_H(in0, in1, in2, in3, in0, in1, in2, in3); + + BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); + in0 = temp0 + temp1 + 7; + in2 = temp0 - temp1 + 7; + in0 >>= 4; + in2 >>= 4; + SPLATI_W2_SW(coeff, 2, vec3_w, vec1_w); + vec3_w += vec1_w; + vec1_w = __msa_splati_w((v4i32)coeff, 1); + const0 = RET_1_IF_NZERO_H(in3); + ILVRL_H2_SH(in3, in1, tmp1, tmp0); + vec0_w = vec1_w; + vec2_w = vec3_w; + DPADD_SH4_SW(tmp1, tmp0, tmp1, tmp0, const1, const1, const2, const2, vec0_w, + vec1_w, vec2_w, vec3_w); + SRA_4V(vec1_w, vec0_w, vec3_w, vec2_w, 16); + PCKEV_H2_SH(vec1_w, vec0_w, vec3_w, vec2_w, in1, in3); + in1 += const0; + PCKEV_D2_SH(in1, in0, in3, in2, temp0, temp1); + ST_SH2(temp0, temp1, output, 8); + + PCKOD_D2_SH(in1, in0, in3, in2, in0, in2); + ST_SH2(in0, in2, output + 16, 8); +} + +void vp8_short_walsh4x4_msa(int16_t *input, int16_t *output, int32_t pitch) { + v8i16 in0_h, in1_h, in2_h, in3_h; + v4i32 in0_w, in1_w, in2_w, in3_w, temp0, temp1, temp2, temp3; + + LD_SH4(input, pitch / 2, in0_h, in1_h, in2_h, in3_h); + TRANSPOSE4x4_SH_SH(in0_h, in1_h, in2_h, in3_h, in0_h, in1_h, in2_h, in3_h); + + UNPCK_R_SH_SW(in0_h, in0_w); + UNPCK_R_SH_SW(in1_h, in1_w); + UNPCK_R_SH_SW(in2_h, in2_w); + UNPCK_R_SH_SW(in3_h, in3_w); + BUTTERFLY_4(in0_w, in1_w, in3_w, in2_w, temp0, temp3, temp2, temp1); + SLLI_4V(temp0, temp1, temp2, temp3, 2); + BUTTERFLY_4(temp0, temp1, temp2, temp3, in0_w, in1_w, in2_w, in3_w); + temp0 = RET_1_IF_NZERO_W(temp0); + in0_w += temp0; + TRANSPOSE4x4_SW_SW(in0_w, in1_w, in2_w, in3_w, in0_w, in1_w, in2_w, in3_w); + + BUTTERFLY_4(in0_w, in1_w, in3_w, in2_w, temp0, temp3, temp2, temp1); + BUTTERFLY_4(temp0, temp1, temp2, temp3, in0_w, in1_w, in2_w, in3_w); + in0_w += RET_1_IF_NEG_W(in0_w); + in1_w += RET_1_IF_NEG_W(in1_w); + in2_w += RET_1_IF_NEG_W(in2_w); + in3_w += RET_1_IF_NEG_W(in3_w); + ADD4(in0_w, 3, in1_w, 3, in2_w, 3, in3_w, 3, in0_w, in1_w, in2_w, in3_w); + SRA_4V(in0_w, in1_w, in2_w, in3_w, 3); + PCKEV_H2_SH(in1_w, in0_w, in3_w, in2_w, in0_h, in1_h); + ST_SH2(in0_h, in1_h, output, 8); +} |