C++ (Cpp) SRLI_AVE_S_4V_H примеры использования

Пример #1

Файл: vp9_fdct8x8_msa.c Проект: JasonOldWoo/libvpx

void vp9_fht8x8_msa(const int16_t *input, int16_t *output, int32_t stride,
                    int32_t tx_type) {
  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;

  LD_SH8(input, stride, in0, in1, in2, in3, in4, in5, in6, in7);
  SLLI_4V(in0, in1, in2, in3, 2);
  SLLI_4V(in4, in5, in6, in7, 2);

  switch (tx_type) {
    case DCT_DCT:
      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                         in0, in1, in2, in3, in4, in5, in6, in7);
      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      break;
    case ADST_DCT:
      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                         in0, in1, in2, in3, in4, in5, in6, in7);
      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      break;
    case DCT_ADST:
      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                         in0, in1, in2, in3, in4, in5, in6, in7);
      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      break;
    case ADST_ADST:
      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                         in0, in1, in2, in3, in4, in5, in6, in7);
      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
                in0, in1, in2, in3, in4, in5, in6, in7);
      break;
    default:
      assert(0);
      break;
  }

  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                     in0, in1, in2, in3, in4, in5, in6, in7);
  SRLI_AVE_S_4V_H(in0, in1, in2, in3, in4, in5, in6, in7);
  ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8);
}

Пример #2

Файл: fwd_txfm_msa.c Проект: MIPS/external-libvpx

void vpx_fdct8x8_msa(const int16_t *input, int16_t *output,
                     int32_t src_stride) {
  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;

  LD_SH8(input, src_stride, in0, in1, in2, in3, in4, in5, in6, in7);
  SLLI_4V(in0, in1, in2, in3, 2);
  SLLI_4V(in4, in5, in6, in7, 2);
  VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
            in5, in6, in7);
  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
                     in4, in5, in6, in7);
  VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
            in5, in6, in7);
  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
                     in4, in5, in6, in7);
  SRLI_AVE_S_4V_H(in0, in1, in2, in3, in4, in5, in6, in7);
  ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8);
}