コード例 #1
0
ファイル: idct4x4_msa.c プロジェクト: Wafflespeanut/gecko-dev
void aom_idct4x4_1_add_msa(const int16_t *input, uint8_t *dst,
                           int32_t dst_stride) {
  int16_t out;
  v8i16 vec;

  out = ROUND_POWER_OF_TWO((input[0] * cospi_16_64), DCT_CONST_BITS);
  out = ROUND_POWER_OF_TWO((out * cospi_16_64), DCT_CONST_BITS);
  out = ROUND_POWER_OF_TWO(out, 4);
  vec = __msa_fill_h(out);

  ADDBLK_ST4x4_UB(vec, vec, vec, vec, dst, dst_stride);
}
コード例 #2
0
ファイル: idct4x4_msa.c プロジェクト: Wafflespeanut/gecko-dev
void aom_idct4x4_16_add_msa(const int16_t *input, uint8_t *dst,
                            int32_t dst_stride) {
  v8i16 in0, in1, in2, in3;

  /* load vector elements of 4x4 block */
  LD4x4_SH(input, in0, in1, in2, in3);
  /* rows */
  TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
  AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
  /* columns */
  TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
  AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
  /* rounding (add 2^3, divide by 2^4) */
  SRARI_H4_SH(in0, in1, in2, in3, 4);
  ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
}
コード例 #3
0
void vp9_iht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
                           int32_t dst_stride, int32_t tx_type) {
  v8i16 in0, in1, in2, in3;

  /* load vector elements of 4x4 block */
  LD4x4_SH(input, in0, in1, in2, in3);
  TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);

  switch (tx_type) {
    case DCT_DCT:
      /* DCT in horizontal */
      VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      /* DCT in vertical */
      TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
      VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      break;
    case ADST_DCT:
      /* DCT in horizontal */
      VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      /* ADST in vertical */
      TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
      VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      break;
    case DCT_ADST:
      /* ADST in horizontal */
      VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      /* DCT in vertical */
      TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
      VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      break;
    case ADST_ADST:
      /* ADST in horizontal */
      VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      /* ADST in vertical */
      TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
      VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
      break;
    default:
      assert(0);
      break;
  }

  /* final rounding (add 2^3, divide by 2^4) and shift */
  SRARI_H4_SH(in0, in1, in2, in3, 4);
  /* add block and store 4x4 */
  ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
}
コード例 #4
0
ファイル: dct-c.c プロジェクト: 0x0B501E7E/x264
static void avc_idct4x4_addblk_msa( uint8_t *p_dst, int16_t *p_src,
                                    int32_t i_dst_stride )
{
    v8i16 src0, src1, src2, src3;
    v8i16 hres0, hres1, hres2, hres3;
    v8i16 vres0, vres1, vres2, vres3;
    v8i16 zeros = { 0 };

    LD4x4_SH( p_src, src0, src1, src2, src3 );
    AVC_ITRANS_H( src0, src1, src2, src3, hres0, hres1, hres2, hres3 );
    TRANSPOSE4x4_SH_SH( hres0, hres1, hres2, hres3,
                        hres0, hres1, hres2, hres3 );
    AVC_ITRANS_H( hres0, hres1, hres2, hres3, vres0, vres1, vres2, vres3 );
    SRARI_H4_SH( vres0, vres1, vres2, vres3, 6 );
    ADDBLK_ST4x4_UB( vres0, vres1, vres2, vres3, p_dst, i_dst_stride );
    ST_SH2( zeros, zeros, p_src, 8 );
}
コード例 #5
0
ファイル: idct4x4_msa.c プロジェクト: Wafflespeanut/gecko-dev
void aom_iwht4x4_1_add_msa(const int16_t *input, uint8_t *dst,
                           int32_t dst_stride) {
  int16_t a1, e1;
  v8i16 in1, in0 = { 0 };

  a1 = input[0] >> UNIT_QUANT_SHIFT;
  e1 = a1 >> 1;
  a1 -= e1;

  in0 = __msa_insert_h(in0, 0, a1);
  in0 = __msa_insert_h(in0, 1, e1);
  in0 = __msa_insert_h(in0, 2, e1);
  in0 = __msa_insert_h(in0, 3, e1);

  in1 = in0 >> 1;
  in0 -= in1;

  ADDBLK_ST4x4_UB(in0, in1, in1, in1, dst, dst_stride);
}
コード例 #6
0
ファイル: idct4x4_msa.c プロジェクト: Wafflespeanut/gecko-dev
void aom_iwht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
                            int32_t dst_stride) {
  v8i16 in0, in1, in2, in3;
  v4i32 in0_r, in1_r, in2_r, in3_r, in4_r;

  /* load vector elements of 4x4 block */
  LD4x4_SH(input, in0, in2, in3, in1);
  TRANSPOSE4x4_SH_SH(in0, in2, in3, in1, in0, in2, in3, in1);
  UNPCK_R_SH_SW(in0, in0_r);
  UNPCK_R_SH_SW(in2, in2_r);
  UNPCK_R_SH_SW(in3, in3_r);
  UNPCK_R_SH_SW(in1, in1_r);
  SRA_4V(in0_r, in1_r, in2_r, in3_r, UNIT_QUANT_SHIFT);

  in0_r += in2_r;
  in3_r -= in1_r;
  in4_r = (in0_r - in3_r) >> 1;
  in1_r = in4_r - in1_r;
  in2_r = in4_r - in2_r;
  in0_r -= in1_r;
  in3_r += in2_r;

  TRANSPOSE4x4_SW_SW(in0_r, in1_r, in2_r, in3_r, in0_r, in1_r, in2_r, in3_r);

  in0_r += in1_r;
  in2_r -= in3_r;
  in4_r = (in0_r - in2_r) >> 1;
  in3_r = in4_r - in3_r;
  in1_r = in4_r - in1_r;
  in0_r -= in3_r;
  in2_r += in1_r;

  PCKEV_H4_SH(in0_r, in0_r, in1_r, in1_r, in2_r, in2_r, in3_r, in3_r, in0, in1,
              in2, in3);
  ADDBLK_ST4x4_UB(in0, in3, in1, in2, dst, dst_stride);
}