ref: f88315cb2929e70cf2befeecd26224530458bf84
parent: f6d870f7ae6f968bdbc342af80c8f71fa98f2ac2
author: Yunqing Wang <yunqingwang@google.com>
date: Wed Oct 23 10:25:16 EDT 2013
Add 32x32 idct function for eob<=34 case When only upper-left 8x8 area has non-zero dct coefficients, we could skip 1D IDCT for 9th to 32th rows to save operations. This function is called when eob <= 34. Change-Id: I9684b75947bdde346cfe3720f08a953aa7a13fb5
--- a/vp9/common/vp9_idct.c
+++ b/vp9/common/vp9_idct.c
@@ -1280,6 +1280,31 @@
}
}
+void vp9_idct32x32_34_add_c(const int16_t *input, uint8_t *dest, int stride) {+ int16_t out[32 * 32] = {0};+ int16_t *outptr = out;
+ int i, j;
+ int16_t temp_in[32], temp_out[32];
+
+ // Rows
+ // only upper-left 8x8 has non-zero coeff
+ for (i = 0; i < 8; ++i) {+ idct32_1d(input, outptr);
+ input += 32;
+ outptr += 32;
+ }
+
+ // Columns
+ for (i = 0; i < 32; ++i) {+ for (j = 0; j < 32; ++j)
+ temp_in[j] = out[j * 32 + i];
+ idct32_1d(temp_in, temp_out);
+ for (j = 0; j < 32; ++j)
+ dest[j * stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6)
+ + dest[j * stride + i]);
+ }
+}
+
void vp9_idct32x32_1_add_c(const int16_t *input, uint8_t *dest, int stride) {int i, j;
int a1;
@@ -1350,6 +1375,9 @@
if (eob) {if (eob == 1)
vp9_idct32x32_1_add(input, dest, stride);
+ else if (eob <= 34)
+ // non-zero coeff only in upper-left 8x8
+ vp9_idct32x32_34_add(input, dest, stride);
else
vp9_idct32x32_1024_add(input, dest, stride);
}
--- a/vp9/common/vp9_rtcd_defs.sh
+++ b/vp9/common/vp9_rtcd_defs.sh
@@ -294,6 +294,9 @@
prototype void vp9_idct32x32_1024_add "const int16_t *input, uint8_t *dest, int dest_stride"
specialize vp9_idct32x32_1024_add sse2 neon
+prototype void vp9_idct32x32_34_add "const int16_t *input, uint8_t *dest, int dest_stride"
+specialize vp9_idct32x32_34_add sse2
+
prototype void vp9_idct32x32_1_add "const int16_t *input, uint8_t *dest, int dest_stride"
specialize vp9_idct32x32_1_add sse2
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -415,7 +415,7 @@
res3 = _mm_packs_epi32(tmp6, tmp7); \
}
-#define IDCT8x8_1D \
+#define IDCT8_1D \
/* Stage1 */ \
{ \const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
@@ -530,7 +530,7 @@
in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8x8_1D
+ IDCT8_1D
}
// Final rounding and shift
@@ -643,7 +643,7 @@
in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8x8_1D
+ IDCT8_1D
in[0] = in0;
in[1] = in1;
in[2] = in2;
@@ -1068,7 +1068,7 @@
in4, in5, in6, in7)
// 1D idct8x8
- IDCT8x8_1D
+ IDCT8_1D
// Final rounding and shift
in0 = _mm_adds_epi16(in0, final_rounding);
@@ -1099,7 +1099,7 @@
RECON_AND_STORE(dest, in7);
}
-#define IDCT16x16_1D \
+#define IDCT16_1D \
/* Stage2 */ \
{ \const __m128i lo_1_15 = _mm_unpacklo_epi16(in1, in15); \
@@ -1321,7 +1321,7 @@
in12, in13, in14, in15);
}
- IDCT16x16_1D
+ IDCT16_1D
// Stage7
if (i == 0) {@@ -2703,7 +2703,7 @@
in8 = in9 = in10 = in11 = in12 = in13 = in14 = in15 = zero;
- IDCT16x16_1D
+ IDCT16_1D
// Stage7
in0 = _mm_add_epi16(stp2_0, stp1_15);
@@ -2785,6 +2785,698 @@
input += 8; \
} \
+#define IDCT32_1D \
+/* Stage1 */ \
+{ \+ const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31); \
+ const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31); \
+ const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15); \
+ const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15); \
+ \
+ const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23); \
+ const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23); \
+ const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7); \
+ const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7); \
+ \
+ const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27); \
+ const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27); \
+ const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11); \
+ const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11); \
+ \
+ const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19); \
+ const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19); \
+ const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3); \
+ const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \
+ stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \
+ stp1_17, stp1_30) \
+ MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \
+ stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \
+ stp1_19, stp1_28) \
+ MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \
+ stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \
+ stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \
+ stp1_23, stp1_24) \
+} \
+\
+/* Stage2 */ \
+{ \+ const __m128i lo_2_30 = _mm_unpacklo_epi16(in2, in30); \
+ const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30); \
+ const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14); \
+ const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14); \
+ \
+ const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22); \
+ const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22); \
+ const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6); \
+ const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \
+ stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \
+ stp2_14) \
+ MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \
+ stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \
+ stp2_11, stp2_12) \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \
+ stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \
+ stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \
+ \
+ stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \
+ stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \
+ stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \
+ \
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \
+ stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \
+ stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \
+ stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \
+ \
+ stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \
+ stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \
+ stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \
+} \
+\
+/* Stage3 */ \
+{ \+ const __m128i lo_4_28 = _mm_unpacklo_epi16(in4, in28); \
+ const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28); \
+ const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12); \
+ const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12); \
+ \
+ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \
+ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
+ \
+ MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \
+ stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \
+ stp1_6) \
+ \
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
+ stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
+ \
+ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
+ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
+ stp1_18, stp1_29) \
+ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
+ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
+ stp1_22, stp1_25) \
+ \
+ stp1_16 = stp2_16; \
+ stp1_31 = stp2_31; \
+ stp1_19 = stp2_19; \
+ stp1_20 = stp2_20; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_27 = stp2_27; \
+ stp1_28 = stp2_28; \
+} \
+\
+/* Stage4 */ \
+{ \+ const __m128i lo_0_16 = _mm_unpacklo_epi16(in0, in16); \
+ const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16); \
+ const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24); \
+ const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ \
+ MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \
+ stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \
+ stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
+ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
+ stp2_10, stp2_13) \
+ \
+ stp2_8 = stp1_8; \
+ stp2_15 = stp1_15; \
+ stp2_11 = stp1_11; \
+ stp2_12 = stp1_12; \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
+ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
+ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
+ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
+ stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
+ \
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
+ stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
+ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
+ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
+ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
+} \
+\
+/* Stage5 */ \
+{ \+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
+ \
+ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
+ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_4 = stp2_4; \
+ stp1_7 = stp2_7; \
+ \
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ \
+ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
+ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
+ stp1_19, stp1_28) \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
+ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ \
+ stp1_22 = stp2_22; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_25 = stp2_25; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+} \
+\
+/* Stage6 */ \
+{ \+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
+ \
+ stp2_8 = stp1_8; \
+ stp2_9 = stp1_9; \
+ stp2_14 = stp1_14; \
+ stp2_15 = stp1_15; \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
+ stp2_13, stp2_11, stp2_12) \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
+ stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
+ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
+ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
+ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
+ \
+ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
+ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
+ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
+ stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
+ stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
+} \
+\
+/* Stage7 */ \
+{ \+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
+ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
+ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
+ stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
+ stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
+ stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
+ stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
+ stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
+ stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
+ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
+ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
+ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ stp1_18 = stp2_18; \
+ stp1_19 = stp2_19; \
+ \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
+ stp1_23, stp1_24) \
+ \
+ stp1_28 = stp2_28; \
+ stp1_29 = stp2_29; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+}
+
+// Only upper-left 8x8 has non-zero coeff
+void vp9_idct32x32_34_add_sse2(const int16_t *input, uint8_t *dest,
+ int stride) {+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+
+ // idct constants for each stage
+ const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
+ const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12,
+ in13, in14, in15, in16, in17, in18, in19, in20, in21, in22, in23,
+ in24, in25, in26, in27, in28, in29, in30, in31;
+ __m128i col[128];
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
+ stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
+ stp1_30, stp1_31;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
+ stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
+ stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
+ stp2_30, stp2_31;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i, j, i32;
+
+ // We work on a 8x32 block each time, and loop 8 times for 2-D 32x32 idct.
+ for (i = 0; i < 8; i++) {+ i32 = (i << 5);
+ if (i == 0) {+ // First 1-D idct: first 8 rows
+ // Load input data.
+ LOAD_DQCOEFF(in0, input);
+ LOAD_DQCOEFF(in8, input);
+ LOAD_DQCOEFF(in16, input);
+ LOAD_DQCOEFF(in24, input);
+ LOAD_DQCOEFF(in1, input);
+ LOAD_DQCOEFF(in9, input);
+ LOAD_DQCOEFF(in17, input);
+ LOAD_DQCOEFF(in25, input);
+ LOAD_DQCOEFF(in2, input);
+ LOAD_DQCOEFF(in10, input);
+ LOAD_DQCOEFF(in18, input);
+ LOAD_DQCOEFF(in26, input);
+ LOAD_DQCOEFF(in3, input);
+ LOAD_DQCOEFF(in11, input);
+ LOAD_DQCOEFF(in19, input);
+ LOAD_DQCOEFF(in27, input);
+
+ LOAD_DQCOEFF(in4, input);
+ LOAD_DQCOEFF(in12, input);
+ LOAD_DQCOEFF(in20, input);
+ LOAD_DQCOEFF(in28, input);
+ LOAD_DQCOEFF(in5, input);
+ LOAD_DQCOEFF(in13, input);
+ LOAD_DQCOEFF(in21, input);
+ LOAD_DQCOEFF(in29, input);
+ LOAD_DQCOEFF(in6, input);
+ LOAD_DQCOEFF(in14, input);
+ LOAD_DQCOEFF(in22, input);
+ LOAD_DQCOEFF(in30, input);
+ LOAD_DQCOEFF(in7, input);
+ LOAD_DQCOEFF(in15, input);
+ LOAD_DQCOEFF(in23, input);
+ LOAD_DQCOEFF(in31, input);
+
+ // Transpose 32x8 block to 8x32 block
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+ in4, in5, in6, in7);
+ TRANSPOSE_8X8(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9,
+ in10, in11, in12, in13, in14, in15);
+ TRANSPOSE_8X8(in16, in17, in18, in19, in20, in21, in22, in23, in16, in17,
+ in18, in19, in20, in21, in22, in23);
+ TRANSPOSE_8X8(in24, in25, in26, in27, in28, in29, in30, in31, in24, in25,
+ in26, in27, in28, in29, in30, in31);
+ } else if (i < 4) {+ // First 1-D idct: next 24 zero-coeff rows
+ col[i32 + 0] = _mm_setzero_si128();
+ col[i32 + 1] = _mm_setzero_si128();
+ col[i32 + 2] = _mm_setzero_si128();
+ col[i32 + 3] = _mm_setzero_si128();
+ col[i32 + 4] = _mm_setzero_si128();
+ col[i32 + 5] = _mm_setzero_si128();
+ col[i32 + 6] = _mm_setzero_si128();
+ col[i32 + 7] = _mm_setzero_si128();
+ col[i32 + 8] = _mm_setzero_si128();
+ col[i32 + 9] = _mm_setzero_si128();
+ col[i32 + 10] = _mm_setzero_si128();
+ col[i32 + 11] = _mm_setzero_si128();
+ col[i32 + 12] = _mm_setzero_si128();
+ col[i32 + 13] = _mm_setzero_si128();
+ col[i32 + 14] = _mm_setzero_si128();
+ col[i32 + 15] = _mm_setzero_si128();
+ col[i32 + 16] = _mm_setzero_si128();
+ col[i32 + 17] = _mm_setzero_si128();
+ col[i32 + 18] = _mm_setzero_si128();
+ col[i32 + 19] = _mm_setzero_si128();
+ col[i32 + 20] = _mm_setzero_si128();
+ col[i32 + 21] = _mm_setzero_si128();
+ col[i32 + 22] = _mm_setzero_si128();
+ col[i32 + 23] = _mm_setzero_si128();
+ col[i32 + 24] = _mm_setzero_si128();
+ col[i32 + 25] = _mm_setzero_si128();
+ col[i32 + 26] = _mm_setzero_si128();
+ col[i32 + 27] = _mm_setzero_si128();
+ col[i32 + 28] = _mm_setzero_si128();
+ col[i32 + 29] = _mm_setzero_si128();
+ col[i32 + 30] = _mm_setzero_si128();
+ col[i32 + 31] = _mm_setzero_si128();
+ continue;
+ } else {+ // Second 1-D idct
+ j = i - 4;
+
+ // Transpose 32x8 block to 8x32 block
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in0, in1, in2, in3, in4,
+ in5, in6, in7);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in8, in9, in10,
+ in11, in12, in13, in14, in15);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in16, in17, in18,
+ in19, in20, in21, in22, in23);
+ j += 4;
+ TRANSPOSE_8X8(col[j * 8 + 0], col[j * 8 + 1], col[j * 8 + 2],
+ col[j * 8 + 3], col[j * 8 + 4], col[j * 8 + 5],
+ col[j * 8 + 6], col[j * 8 + 7], in24, in25, in26, in27,
+ in28, in29, in30, in31);
+ }
+
+ IDCT32_1D
+
+ // final stage
+ if (i < 4) {+ // 1_D: Store 32 intermediate results for each 8x32 block.
+ col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
+ col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
+ col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
+ col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
+ col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
+ col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
+ col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
+ col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
+ col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
+ col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
+ col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
+ col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
+ col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
+ col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
+ col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
+ col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
+ col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
+ col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
+ col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
+ col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
+ col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
+ col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
+ col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
+ col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
+ col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
+ col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
+ col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
+ col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
+ col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
+ col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
+ col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
+ col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
+ } else {+ const __m128i zero = _mm_setzero_si128();
+
+ // 2_D: Calculate the results and store them to destination.
+ in0 = _mm_add_epi16(stp1_0, stp1_31);
+ in1 = _mm_add_epi16(stp1_1, stp1_30);
+ in2 = _mm_add_epi16(stp1_2, stp1_29);
+ in3 = _mm_add_epi16(stp1_3, stp1_28);
+ in4 = _mm_add_epi16(stp1_4, stp1_27);
+ in5 = _mm_add_epi16(stp1_5, stp1_26);
+ in6 = _mm_add_epi16(stp1_6, stp1_25);
+ in7 = _mm_add_epi16(stp1_7, stp1_24);
+ in8 = _mm_add_epi16(stp1_8, stp1_23);
+ in9 = _mm_add_epi16(stp1_9, stp1_22);
+ in10 = _mm_add_epi16(stp1_10, stp1_21);
+ in11 = _mm_add_epi16(stp1_11, stp1_20);
+ in12 = _mm_add_epi16(stp1_12, stp1_19);
+ in13 = _mm_add_epi16(stp1_13, stp1_18);
+ in14 = _mm_add_epi16(stp1_14, stp1_17);
+ in15 = _mm_add_epi16(stp1_15, stp1_16);
+ in16 = _mm_sub_epi16(stp1_15, stp1_16);
+ in17 = _mm_sub_epi16(stp1_14, stp1_17);
+ in18 = _mm_sub_epi16(stp1_13, stp1_18);
+ in19 = _mm_sub_epi16(stp1_12, stp1_19);
+ in20 = _mm_sub_epi16(stp1_11, stp1_20);
+ in21 = _mm_sub_epi16(stp1_10, stp1_21);
+ in22 = _mm_sub_epi16(stp1_9, stp1_22);
+ in23 = _mm_sub_epi16(stp1_8, stp1_23);
+ in24 = _mm_sub_epi16(stp1_7, stp1_24);
+ in25 = _mm_sub_epi16(stp1_6, stp1_25);
+ in26 = _mm_sub_epi16(stp1_5, stp1_26);
+ in27 = _mm_sub_epi16(stp1_4, stp1_27);
+ in28 = _mm_sub_epi16(stp1_3, stp1_28);
+ in29 = _mm_sub_epi16(stp1_2, stp1_29);
+ in30 = _mm_sub_epi16(stp1_1, stp1_30);
+ in31 = _mm_sub_epi16(stp1_0, stp1_31);
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+ in8 = _mm_adds_epi16(in8, final_rounding);
+ in9 = _mm_adds_epi16(in9, final_rounding);
+ in10 = _mm_adds_epi16(in10, final_rounding);
+ in11 = _mm_adds_epi16(in11, final_rounding);
+ in12 = _mm_adds_epi16(in12, final_rounding);
+ in13 = _mm_adds_epi16(in13, final_rounding);
+ in14 = _mm_adds_epi16(in14, final_rounding);
+ in15 = _mm_adds_epi16(in15, final_rounding);
+ in16 = _mm_adds_epi16(in16, final_rounding);
+ in17 = _mm_adds_epi16(in17, final_rounding);
+ in18 = _mm_adds_epi16(in18, final_rounding);
+ in19 = _mm_adds_epi16(in19, final_rounding);
+ in20 = _mm_adds_epi16(in20, final_rounding);
+ in21 = _mm_adds_epi16(in21, final_rounding);
+ in22 = _mm_adds_epi16(in22, final_rounding);
+ in23 = _mm_adds_epi16(in23, final_rounding);
+ in24 = _mm_adds_epi16(in24, final_rounding);
+ in25 = _mm_adds_epi16(in25, final_rounding);
+ in26 = _mm_adds_epi16(in26, final_rounding);
+ in27 = _mm_adds_epi16(in27, final_rounding);
+ in28 = _mm_adds_epi16(in28, final_rounding);
+ in29 = _mm_adds_epi16(in29, final_rounding);
+ in30 = _mm_adds_epi16(in30, final_rounding);
+ in31 = _mm_adds_epi16(in31, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 6);
+ in1 = _mm_srai_epi16(in1, 6);
+ in2 = _mm_srai_epi16(in2, 6);
+ in3 = _mm_srai_epi16(in3, 6);
+ in4 = _mm_srai_epi16(in4, 6);
+ in5 = _mm_srai_epi16(in5, 6);
+ in6 = _mm_srai_epi16(in6, 6);
+ in7 = _mm_srai_epi16(in7, 6);
+ in8 = _mm_srai_epi16(in8, 6);
+ in9 = _mm_srai_epi16(in9, 6);
+ in10 = _mm_srai_epi16(in10, 6);
+ in11 = _mm_srai_epi16(in11, 6);
+ in12 = _mm_srai_epi16(in12, 6);
+ in13 = _mm_srai_epi16(in13, 6);
+ in14 = _mm_srai_epi16(in14, 6);
+ in15 = _mm_srai_epi16(in15, 6);
+ in16 = _mm_srai_epi16(in16, 6);
+ in17 = _mm_srai_epi16(in17, 6);
+ in18 = _mm_srai_epi16(in18, 6);
+ in19 = _mm_srai_epi16(in19, 6);
+ in20 = _mm_srai_epi16(in20, 6);
+ in21 = _mm_srai_epi16(in21, 6);
+ in22 = _mm_srai_epi16(in22, 6);
+ in23 = _mm_srai_epi16(in23, 6);
+ in24 = _mm_srai_epi16(in24, 6);
+ in25 = _mm_srai_epi16(in25, 6);
+ in26 = _mm_srai_epi16(in26, 6);
+ in27 = _mm_srai_epi16(in27, 6);
+ in28 = _mm_srai_epi16(in28, 6);
+ in29 = _mm_srai_epi16(in29, 6);
+ in30 = _mm_srai_epi16(in30, 6);
+ in31 = _mm_srai_epi16(in31, 6);
+
+ RECON_AND_STORE(dest, in0);
+ RECON_AND_STORE(dest, in1);
+ RECON_AND_STORE(dest, in2);
+ RECON_AND_STORE(dest, in3);
+ RECON_AND_STORE(dest, in4);
+ RECON_AND_STORE(dest, in5);
+ RECON_AND_STORE(dest, in6);
+ RECON_AND_STORE(dest, in7);
+ RECON_AND_STORE(dest, in8);
+ RECON_AND_STORE(dest, in9);
+ RECON_AND_STORE(dest, in10);
+ RECON_AND_STORE(dest, in11);
+ RECON_AND_STORE(dest, in12);
+ RECON_AND_STORE(dest, in13);
+ RECON_AND_STORE(dest, in14);
+ RECON_AND_STORE(dest, in15);
+ RECON_AND_STORE(dest, in16);
+ RECON_AND_STORE(dest, in17);
+ RECON_AND_STORE(dest, in18);
+ RECON_AND_STORE(dest, in19);
+ RECON_AND_STORE(dest, in20);
+ RECON_AND_STORE(dest, in21);
+ RECON_AND_STORE(dest, in22);
+ RECON_AND_STORE(dest, in23);
+ RECON_AND_STORE(dest, in24);
+ RECON_AND_STORE(dest, in25);
+ RECON_AND_STORE(dest, in26);
+ RECON_AND_STORE(dest, in27);
+ RECON_AND_STORE(dest, in28);
+ RECON_AND_STORE(dest, in29);
+ RECON_AND_STORE(dest, in30);
+ RECON_AND_STORE(dest, in31);
+
+ dest += 8 - (stride * 32);
+ }
+ }
+}
+
void vp9_idct32x32_1024_add_sse2(const int16_t *input, uint8_t *dest,
int stride) {const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
@@ -3009,336 +3701,7 @@
in28, in29, in30, in31);
}
- // Stage1
- {- const __m128i lo_1_31 = _mm_unpacklo_epi16(in1, in31);
- const __m128i hi_1_31 = _mm_unpackhi_epi16(in1, in31);
- const __m128i lo_17_15 = _mm_unpacklo_epi16(in17, in15);
- const __m128i hi_17_15 = _mm_unpackhi_epi16(in17, in15);
-
- const __m128i lo_9_23 = _mm_unpacklo_epi16(in9, in23);
- const __m128i hi_9_23 = _mm_unpackhi_epi16(in9, in23);
- const __m128i lo_25_7= _mm_unpacklo_epi16(in25, in7);
- const __m128i hi_25_7 = _mm_unpackhi_epi16(in25, in7);
-
- const __m128i lo_5_27 = _mm_unpacklo_epi16(in5, in27);
- const __m128i hi_5_27 = _mm_unpackhi_epi16(in5, in27);
- const __m128i lo_21_11 = _mm_unpacklo_epi16(in21, in11);
- const __m128i hi_21_11 = _mm_unpackhi_epi16(in21, in11);
-
- const __m128i lo_13_19 = _mm_unpacklo_epi16(in13, in19);
- const __m128i hi_13_19 = _mm_unpackhi_epi16(in13, in19);
- const __m128i lo_29_3 = _mm_unpacklo_epi16(in29, in3);
- const __m128i hi_29_3 = _mm_unpackhi_epi16(in29, in3);
-
- MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0,
- stg1_1, stg1_2, stg1_3, stp1_16, stp1_31,
- stp1_17, stp1_30)
- MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4,
- stg1_5, stg1_6, stg1_7, stp1_18, stp1_29,
- stp1_19, stp1_28)
- MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8,
- stg1_9, stg1_10, stg1_11, stp1_20, stp1_27,
- stp1_21, stp1_26)
- MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12,
- stg1_13, stg1_14, stg1_15, stp1_22, stp1_25,
- stp1_23, stp1_24)
- }
-
- // Stage2
- {- const __m128i lo_2_30 = _mm_unpacklo_epi16(in2, in30);
- const __m128i hi_2_30 = _mm_unpackhi_epi16(in2, in30);
- const __m128i lo_18_14 = _mm_unpacklo_epi16(in18, in14);
- const __m128i hi_18_14 = _mm_unpackhi_epi16(in18, in14);
-
- const __m128i lo_10_22 = _mm_unpacklo_epi16(in10, in22);
- const __m128i hi_10_22 = _mm_unpackhi_epi16(in10, in22);
- const __m128i lo_26_6 = _mm_unpacklo_epi16(in26, in6);
- const __m128i hi_26_6 = _mm_unpackhi_epi16(in26, in6);
-
- MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0,
- stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9,
- stp2_14)
- MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4,
- stg2_5, stg2_6, stg2_7, stp2_10, stp2_13,
- stp2_11, stp2_12)
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_17);
- stp2_17 = _mm_sub_epi16(stp1_16, stp1_17);
- stp2_18 = _mm_sub_epi16(stp1_19, stp1_18);
- stp2_19 = _mm_add_epi16(stp1_19, stp1_18);
-
- stp2_20 = _mm_add_epi16(stp1_20, stp1_21);
- stp2_21 = _mm_sub_epi16(stp1_20, stp1_21);
- stp2_22 = _mm_sub_epi16(stp1_23, stp1_22);
- stp2_23 = _mm_add_epi16(stp1_23, stp1_22);
-
- stp2_24 = _mm_add_epi16(stp1_24, stp1_25);
- stp2_25 = _mm_sub_epi16(stp1_24, stp1_25);
- stp2_26 = _mm_sub_epi16(stp1_27, stp1_26);
- stp2_27 = _mm_add_epi16(stp1_27, stp1_26);
-
- stp2_28 = _mm_add_epi16(stp1_28, stp1_29);
- stp2_29 = _mm_sub_epi16(stp1_28, stp1_29);
- stp2_30 = _mm_sub_epi16(stp1_31, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_31, stp1_30);
- }
-
- // Stage3
- {- const __m128i lo_4_28 = _mm_unpacklo_epi16(in4, in28);
- const __m128i hi_4_28 = _mm_unpackhi_epi16(in4, in28);
- const __m128i lo_20_12 = _mm_unpacklo_epi16(in20, in12);
- const __m128i hi_20_12 = _mm_unpackhi_epi16(in20, in12);
-
- const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30);
- const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30);
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
-
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
-
- MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0,
- stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5,
- stp1_6)
-
- stp1_8 = _mm_add_epi16(stp2_8, stp2_9);
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10);
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10);
- stp1_12 = _mm_add_epi16(stp2_12, stp2_13);
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14);
-
- MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4,
- stg3_5, stg3_6, stg3_4, stp1_17, stp1_30,
- stp1_18, stp1_29)
- MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8,
- stg3_9, stg3_10, stg3_8, stp1_21, stp1_26,
- stp1_22, stp1_25)
-
- stp1_16 = stp2_16;
- stp1_31 = stp2_31;
- stp1_19 = stp2_19;
- stp1_20 = stp2_20;
- stp1_23 = stp2_23;
- stp1_24 = stp2_24;
- stp1_27 = stp2_27;
- stp1_28 = stp2_28;
- }
-
- // Stage4
- {- const __m128i lo_0_16 = _mm_unpacklo_epi16(in0, in16);
- const __m128i hi_0_16 = _mm_unpackhi_epi16(in0, in16);
- const __m128i lo_8_24 = _mm_unpacklo_epi16(in8, in24);
- const __m128i hi_8_24 = _mm_unpackhi_epi16(in8, in24);
-
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14);
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
-
- MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0,
- stg4_1, stg4_2, stg4_3, stp2_0, stp2_1,
- stp2_2, stp2_3)
-
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5);
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6);
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6);
-
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4,
- stg4_5, stg4_6, stg4_4, stp2_9, stp2_14,
- stp2_10, stp2_13)
-
- stp2_8 = stp1_8;
- stp2_15 = stp1_15;
- stp2_11 = stp1_11;
- stp2_12 = stp1_12;
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_19);
- stp2_17 = _mm_add_epi16(stp1_17, stp1_18);
- stp2_18 = _mm_sub_epi16(stp1_17, stp1_18);
- stp2_19 = _mm_sub_epi16(stp1_16, stp1_19);
- stp2_20 = _mm_sub_epi16(stp1_23, stp1_20);
- stp2_21 = _mm_sub_epi16(stp1_22, stp1_21);
- stp2_22 = _mm_add_epi16(stp1_22, stp1_21);
- stp2_23 = _mm_add_epi16(stp1_23, stp1_20);
-
- stp2_24 = _mm_add_epi16(stp1_24, stp1_27);
- stp2_25 = _mm_add_epi16(stp1_25, stp1_26);
- stp2_26 = _mm_sub_epi16(stp1_25, stp1_26);
- stp2_27 = _mm_sub_epi16(stp1_24, stp1_27);
- stp2_28 = _mm_sub_epi16(stp1_31, stp1_28);
- stp2_29 = _mm_sub_epi16(stp1_30, stp1_29);
- stp2_30 = _mm_add_epi16(stp1_29, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_28, stp1_31);
- }
-
- // Stage5
- {- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5);
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5);
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29);
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29);
-
- const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28);
- const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28);
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
-
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
-
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2);
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2);
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3);
-
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1);
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1);
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0);
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
-
- stp1_5 = _mm_packs_epi32(tmp0, tmp1);
- stp1_6 = _mm_packs_epi32(tmp2, tmp3);
-
- stp1_4 = stp2_4;
- stp1_7 = stp2_7;
-
- stp1_8 = _mm_add_epi16(stp2_8, stp2_11);
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10);
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10);
- stp1_11 = _mm_sub_epi16(stp2_8, stp2_11);
- stp1_12 = _mm_sub_epi16(stp2_15, stp2_12);
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13);
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13);
- stp1_15 = _mm_add_epi16(stp2_15, stp2_12);
-
- stp1_16 = stp2_16;
- stp1_17 = stp2_17;
-
- MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4,
- stg4_5, stg4_4, stg4_5, stp1_18, stp1_29,
- stp1_19, stp1_28)
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6,
- stg4_4, stg4_6, stg4_4, stp1_20, stp1_27,
- stp1_21, stp1_26)
-
- stp1_22 = stp2_22;
- stp1_23 = stp2_23;
- stp1_24 = stp2_24;
- stp1_25 = stp2_25;
- stp1_30 = stp2_30;
- stp1_31 = stp2_31;
- }
-
- // Stage6
- {- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13);
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12);
-
- stp2_0 = _mm_add_epi16(stp1_0, stp1_7);
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6);
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5);
- stp2_3 = _mm_add_epi16(stp1_3, stp1_4);
- stp2_4 = _mm_sub_epi16(stp1_3, stp1_4);
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5);
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6);
- stp2_7 = _mm_sub_epi16(stp1_0, stp1_7);
-
- stp2_8 = stp1_8;
- stp2_9 = stp1_9;
- stp2_14 = stp1_14;
- stp2_15 = stp1_15;
-
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12,
- stg6_0, stg4_0, stg6_0, stg4_0, stp2_10,
- stp2_13, stp2_11, stp2_12)
-
- stp2_16 = _mm_add_epi16(stp1_16, stp1_23);
- stp2_17 = _mm_add_epi16(stp1_17, stp1_22);
- stp2_18 = _mm_add_epi16(stp1_18, stp1_21);
- stp2_19 = _mm_add_epi16(stp1_19, stp1_20);
- stp2_20 = _mm_sub_epi16(stp1_19, stp1_20);
- stp2_21 = _mm_sub_epi16(stp1_18, stp1_21);
- stp2_22 = _mm_sub_epi16(stp1_17, stp1_22);
- stp2_23 = _mm_sub_epi16(stp1_16, stp1_23);
-
- stp2_24 = _mm_sub_epi16(stp1_31, stp1_24);
- stp2_25 = _mm_sub_epi16(stp1_30, stp1_25);
- stp2_26 = _mm_sub_epi16(stp1_29, stp1_26);
- stp2_27 = _mm_sub_epi16(stp1_28, stp1_27);
- stp2_28 = _mm_add_epi16(stp1_27, stp1_28);
- stp2_29 = _mm_add_epi16(stp1_26, stp1_29);
- stp2_30 = _mm_add_epi16(stp1_25, stp1_30);
- stp2_31 = _mm_add_epi16(stp1_24, stp1_31);
- }
-
- // Stage7
- {- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27);
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27);
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26);
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26);
-
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25);
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25);
- const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24);
- const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24);
-
- stp1_0 = _mm_add_epi16(stp2_0, stp2_15);
- stp1_1 = _mm_add_epi16(stp2_1, stp2_14);
- stp1_2 = _mm_add_epi16(stp2_2, stp2_13);
- stp1_3 = _mm_add_epi16(stp2_3, stp2_12);
- stp1_4 = _mm_add_epi16(stp2_4, stp2_11);
- stp1_5 = _mm_add_epi16(stp2_5, stp2_10);
- stp1_6 = _mm_add_epi16(stp2_6, stp2_9);
- stp1_7 = _mm_add_epi16(stp2_7, stp2_8);
- stp1_8 = _mm_sub_epi16(stp2_7, stp2_8);
- stp1_9 = _mm_sub_epi16(stp2_6, stp2_9);
- stp1_10 = _mm_sub_epi16(stp2_5, stp2_10);
- stp1_11 = _mm_sub_epi16(stp2_4, stp2_11);
- stp1_12 = _mm_sub_epi16(stp2_3, stp2_12);
- stp1_13 = _mm_sub_epi16(stp2_2, stp2_13);
- stp1_14 = _mm_sub_epi16(stp2_1, stp2_14);
- stp1_15 = _mm_sub_epi16(stp2_0, stp2_15);
-
- stp1_16 = stp2_16;
- stp1_17 = stp2_17;
- stp1_18 = stp2_18;
- stp1_19 = stp2_19;
-
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0,
- stg4_0, stg6_0, stg4_0, stp1_20, stp1_27,
- stp1_21, stp1_26)
- MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0,
- stg4_0, stg6_0, stg4_0, stp1_22, stp1_25,
- stp1_23, stp1_24)
-
- stp1_28 = stp2_28;
- stp1_29 = stp2_29;
- stp1_30 = stp2_30;
- stp1_31 = stp2_31;
- }
+ IDCT32_1D
// final stage
if (i < 4) {--
⑨