ref: 106c342659f8c584b95c9dcd7dbdc0b096273f49
parent: 81914ce68a6b45d6d85f88e55791c57ae07329d8
author: Linfeng Zhang <[email protected]>
date: Tue Feb 14 11:27:30 EST 2017
cosmetics,dsp/inv_txfm.c: reorder functions Change-Id: Ie0f7689ebe230c68eadb22a32b14838c1a7543a6
--- a/vpx_dsp/inv_txfm.c
+++ b/vpx_dsp/inv_txfm.c
@@ -93,6 +93,42 @@
}
}
+void iadst4_c(const tran_low_t *input, tran_low_t *output) {+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+ tran_low_t x0 = input[0];
+ tran_low_t x1 = input[1];
+ tran_low_t x2 = input[2];
+ tran_low_t x3 = input[3];
+
+ if (!(x0 | x1 | x2 | x3)) {+ memset(output, 0, 4 * sizeof(*output));
+ return;
+ }
+
+ s0 = sinpi_1_9 * x0;
+ s1 = sinpi_2_9 * x0;
+ s2 = sinpi_3_9 * x1;
+ s3 = sinpi_4_9 * x2;
+ s4 = sinpi_1_9 * x2;
+ s5 = sinpi_2_9 * x3;
+ s6 = sinpi_4_9 * x3;
+ s7 = WRAPLOW(x0 - x2 + x3);
+
+ s0 = s0 + s3 + s5;
+ s1 = s1 - s4 - s6;
+ s3 = s2;
+ s2 = sinpi_3_9 * s7;
+
+ // 1-D transform scaling factor is sqrt(2).
+ // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
+ // + 1b (addition) = 29b.
+ // Hence the output bit depth is 15b.
+ output[0] = WRAPLOW(dct_const_round_shift(s0 + s3));
+ output[1] = WRAPLOW(dct_const_round_shift(s1 + s3));
+ output[2] = WRAPLOW(dct_const_round_shift(s2));
+ output[3] = WRAPLOW(dct_const_round_shift(s0 + s1 - s3));
+}
+
void idct4_c(const tran_low_t *input, tran_low_t *output) {tran_low_t step[4];
tran_high_t temp1, temp2;
@@ -155,6 +191,81 @@
}
}
+void iadst8_c(const tran_low_t *input, tran_low_t *output) {+ int s0, s1, s2, s3, s4, s5, s6, s7;
+ tran_high_t x0 = input[7];
+ tran_high_t x1 = input[0];
+ tran_high_t x2 = input[5];
+ tran_high_t x3 = input[2];
+ tran_high_t x4 = input[3];
+ tran_high_t x5 = input[4];
+ tran_high_t x6 = input[1];
+ tran_high_t x7 = input[6];
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {+ memset(output, 0, 8 * sizeof(*output));
+ return;
+ }
+
+ // stage 1
+ s0 = (int)(cospi_2_64 * x0 + cospi_30_64 * x1);
+ s1 = (int)(cospi_30_64 * x0 - cospi_2_64 * x1);
+ s2 = (int)(cospi_10_64 * x2 + cospi_22_64 * x3);
+ s3 = (int)(cospi_22_64 * x2 - cospi_10_64 * x3);
+ s4 = (int)(cospi_18_64 * x4 + cospi_14_64 * x5);
+ s5 = (int)(cospi_14_64 * x4 - cospi_18_64 * x5);
+ s6 = (int)(cospi_26_64 * x6 + cospi_6_64 * x7);
+ s7 = (int)(cospi_6_64 * x6 - cospi_26_64 * x7);
+
+ x0 = WRAPLOW(dct_const_round_shift(s0 + s4));
+ x1 = WRAPLOW(dct_const_round_shift(s1 + s5));
+ x2 = WRAPLOW(dct_const_round_shift(s2 + s6));
+ x3 = WRAPLOW(dct_const_round_shift(s3 + s7));
+ x4 = WRAPLOW(dct_const_round_shift(s0 - s4));
+ x5 = WRAPLOW(dct_const_round_shift(s1 - s5));
+ x6 = WRAPLOW(dct_const_round_shift(s2 - s6));
+ x7 = WRAPLOW(dct_const_round_shift(s3 - s7));
+
+ // stage 2
+ s0 = (int)x0;
+ s1 = (int)x1;
+ s2 = (int)x2;
+ s3 = (int)x3;
+ s4 = (int)(cospi_8_64 * x4 + cospi_24_64 * x5);
+ s5 = (int)(cospi_24_64 * x4 - cospi_8_64 * x5);
+ s6 = (int)(-cospi_24_64 * x6 + cospi_8_64 * x7);
+ s7 = (int)(cospi_8_64 * x6 + cospi_24_64 * x7);
+
+ x0 = WRAPLOW(s0 + s2);
+ x1 = WRAPLOW(s1 + s3);
+ x2 = WRAPLOW(s0 - s2);
+ x3 = WRAPLOW(s1 - s3);
+ x4 = WRAPLOW(dct_const_round_shift(s4 + s6));
+ x5 = WRAPLOW(dct_const_round_shift(s5 + s7));
+ x6 = WRAPLOW(dct_const_round_shift(s4 - s6));
+ x7 = WRAPLOW(dct_const_round_shift(s5 - s7));
+
+ // stage 3
+ s2 = (int)(cospi_16_64 * (x2 + x3));
+ s3 = (int)(cospi_16_64 * (x2 - x3));
+ s6 = (int)(cospi_16_64 * (x6 + x7));
+ s7 = (int)(cospi_16_64 * (x6 - x7));
+
+ x2 = WRAPLOW(dct_const_round_shift(s2));
+ x3 = WRAPLOW(dct_const_round_shift(s3));
+ x6 = WRAPLOW(dct_const_round_shift(s6));
+ x7 = WRAPLOW(dct_const_round_shift(s7));
+
+ output[0] = WRAPLOW(x0);
+ output[1] = WRAPLOW(-x4);
+ output[2] = WRAPLOW(x6);
+ output[3] = WRAPLOW(-x2);
+ output[4] = WRAPLOW(x3);
+ output[5] = WRAPLOW(-x7);
+ output[6] = WRAPLOW(x5);
+ output[7] = WRAPLOW(-x1);
+}
+
void idct8_c(const tran_low_t *input, tran_low_t *output) {tran_low_t step1[8], step2[8];
tran_high_t temp1, temp2;
@@ -234,6 +345,31 @@
}
}
+void vpx_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest, int stride) {+ int i, j;
+ tran_low_t out[8 * 8] = { 0 };+ tran_low_t *outptr = out;
+ tran_low_t temp_in[8], temp_out[8];
+
+ // First transform rows
+ // Only first 4 row has non-zero coefs
+ for (i = 0; i < 4; ++i) {+ idct8_c(input, outptr);
+ input += 8;
+ outptr += 8;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 8; ++i) {+ for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
+ idct8_c(temp_in, temp_out);
+ for (j = 0; j < 8; ++j) {+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 5));
+ }
+ }
+}
+
void vpx_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {int i, j;
tran_high_t a1;
@@ -247,87 +383,120 @@
}
}
-void iadst4_c(const tran_low_t *input, tran_low_t *output) {- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
- tran_low_t x0 = input[0];
- tran_low_t x1 = input[1];
- tran_low_t x2 = input[2];
- tran_low_t x3 = input[3];
-
- if (!(x0 | x1 | x2 | x3)) {- memset(output, 0, 4 * sizeof(*output));
- return;
- }
-
- s0 = sinpi_1_9 * x0;
- s1 = sinpi_2_9 * x0;
- s2 = sinpi_3_9 * x1;
- s3 = sinpi_4_9 * x2;
- s4 = sinpi_1_9 * x2;
- s5 = sinpi_2_9 * x3;
- s6 = sinpi_4_9 * x3;
- s7 = WRAPLOW(x0 - x2 + x3);
-
- s0 = s0 + s3 + s5;
- s1 = s1 - s4 - s6;
- s3 = s2;
- s2 = sinpi_3_9 * s7;
-
- // 1-D transform scaling factor is sqrt(2).
- // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
- // + 1b (addition) = 29b.
- // Hence the output bit depth is 15b.
- output[0] = WRAPLOW(dct_const_round_shift(s0 + s3));
- output[1] = WRAPLOW(dct_const_round_shift(s1 + s3));
- output[2] = WRAPLOW(dct_const_round_shift(s2));
- output[3] = WRAPLOW(dct_const_round_shift(s0 + s1 - s3));
-}
-
-void iadst8_c(const tran_low_t *input, tran_low_t *output) {- int s0, s1, s2, s3, s4, s5, s6, s7;
- tran_high_t x0 = input[7];
+void iadst16_c(const tran_low_t *input, tran_low_t *output) {+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
+ tran_high_t s9, s10, s11, s12, s13, s14, s15;
+ tran_high_t x0 = input[15];
tran_high_t x1 = input[0];
- tran_high_t x2 = input[5];
+ tran_high_t x2 = input[13];
tran_high_t x3 = input[2];
- tran_high_t x4 = input[3];
+ tran_high_t x4 = input[11];
tran_high_t x5 = input[4];
- tran_high_t x6 = input[1];
+ tran_high_t x6 = input[9];
tran_high_t x7 = input[6];
+ tran_high_t x8 = input[7];
+ tran_high_t x9 = input[8];
+ tran_high_t x10 = input[5];
+ tran_high_t x11 = input[10];
+ tran_high_t x12 = input[3];
+ tran_high_t x13 = input[12];
+ tran_high_t x14 = input[1];
+ tran_high_t x15 = input[14];
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {- memset(output, 0, 8 * sizeof(*output));
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 |
+ x13 | x14 | x15)) {+ memset(output, 0, 16 * sizeof(*output));
return;
}
// stage 1
- s0 = (int)(cospi_2_64 * x0 + cospi_30_64 * x1);
- s1 = (int)(cospi_30_64 * x0 - cospi_2_64 * x1);
- s2 = (int)(cospi_10_64 * x2 + cospi_22_64 * x3);
- s3 = (int)(cospi_22_64 * x2 - cospi_10_64 * x3);
- s4 = (int)(cospi_18_64 * x4 + cospi_14_64 * x5);
- s5 = (int)(cospi_14_64 * x4 - cospi_18_64 * x5);
- s6 = (int)(cospi_26_64 * x6 + cospi_6_64 * x7);
- s7 = (int)(cospi_6_64 * x6 - cospi_26_64 * x7);
+ s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
+ s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
+ s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
+ s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
+ s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
+ s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
+ s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
+ s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
+ s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
+ s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
+ s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
+ s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
+ s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
+ s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
+ s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
+ s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
- x0 = WRAPLOW(dct_const_round_shift(s0 + s4));
- x1 = WRAPLOW(dct_const_round_shift(s1 + s5));
- x2 = WRAPLOW(dct_const_round_shift(s2 + s6));
- x3 = WRAPLOW(dct_const_round_shift(s3 + s7));
- x4 = WRAPLOW(dct_const_round_shift(s0 - s4));
- x5 = WRAPLOW(dct_const_round_shift(s1 - s5));
- x6 = WRAPLOW(dct_const_round_shift(s2 - s6));
- x7 = WRAPLOW(dct_const_round_shift(s3 - s7));
+ x0 = WRAPLOW(dct_const_round_shift(s0 + s8));
+ x1 = WRAPLOW(dct_const_round_shift(s1 + s9));
+ x2 = WRAPLOW(dct_const_round_shift(s2 + s10));
+ x3 = WRAPLOW(dct_const_round_shift(s3 + s11));
+ x4 = WRAPLOW(dct_const_round_shift(s4 + s12));
+ x5 = WRAPLOW(dct_const_round_shift(s5 + s13));
+ x6 = WRAPLOW(dct_const_round_shift(s6 + s14));
+ x7 = WRAPLOW(dct_const_round_shift(s7 + s15));
+ x8 = WRAPLOW(dct_const_round_shift(s0 - s8));
+ x9 = WRAPLOW(dct_const_round_shift(s1 - s9));
+ x10 = WRAPLOW(dct_const_round_shift(s2 - s10));
+ x11 = WRAPLOW(dct_const_round_shift(s3 - s11));
+ x12 = WRAPLOW(dct_const_round_shift(s4 - s12));
+ x13 = WRAPLOW(dct_const_round_shift(s5 - s13));
+ x14 = WRAPLOW(dct_const_round_shift(s6 - s14));
+ x15 = WRAPLOW(dct_const_round_shift(s7 - s15));
// stage 2
- s0 = (int)x0;
- s1 = (int)x1;
- s2 = (int)x2;
- s3 = (int)x3;
- s4 = (int)(cospi_8_64 * x4 + cospi_24_64 * x5);
- s5 = (int)(cospi_24_64 * x4 - cospi_8_64 * x5);
- s6 = (int)(-cospi_24_64 * x6 + cospi_8_64 * x7);
- s7 = (int)(cospi_8_64 * x6 + cospi_24_64 * x7);
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4;
+ s5 = x5;
+ s6 = x6;
+ s7 = x7;
+ s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
+ s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
+ s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
+ s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
+ s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
+ s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
+ s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
+ s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
+ x0 = WRAPLOW(s0 + s4);
+ x1 = WRAPLOW(s1 + s5);
+ x2 = WRAPLOW(s2 + s6);
+ x3 = WRAPLOW(s3 + s7);
+ x4 = WRAPLOW(s0 - s4);
+ x5 = WRAPLOW(s1 - s5);
+ x6 = WRAPLOW(s2 - s6);
+ x7 = WRAPLOW(s3 - s7);
+ x8 = WRAPLOW(dct_const_round_shift(s8 + s12));
+ x9 = WRAPLOW(dct_const_round_shift(s9 + s13));
+ x10 = WRAPLOW(dct_const_round_shift(s10 + s14));
+ x11 = WRAPLOW(dct_const_round_shift(s11 + s15));
+ x12 = WRAPLOW(dct_const_round_shift(s8 - s12));
+ x13 = WRAPLOW(dct_const_round_shift(s9 - s13));
+ x14 = WRAPLOW(dct_const_round_shift(s10 - s14));
+ x15 = WRAPLOW(dct_const_round_shift(s11 - s15));
+
+ // stage 3
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
+ s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
+ s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
+ s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
+ s8 = x8;
+ s9 = x9;
+ s10 = x10;
+ s11 = x11;
+ s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
+ s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
+ s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
+ s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
+
x0 = WRAPLOW(s0 + s2);
x1 = WRAPLOW(s1 + s3);
x2 = WRAPLOW(s0 - s2);
@@ -336,53 +505,52 @@
x5 = WRAPLOW(dct_const_round_shift(s5 + s7));
x6 = WRAPLOW(dct_const_round_shift(s4 - s6));
x7 = WRAPLOW(dct_const_round_shift(s5 - s7));
+ x8 = WRAPLOW(s8 + s10);
+ x9 = WRAPLOW(s9 + s11);
+ x10 = WRAPLOW(s8 - s10);
+ x11 = WRAPLOW(s9 - s11);
+ x12 = WRAPLOW(dct_const_round_shift(s12 + s14));
+ x13 = WRAPLOW(dct_const_round_shift(s13 + s15));
+ x14 = WRAPLOW(dct_const_round_shift(s12 - s14));
+ x15 = WRAPLOW(dct_const_round_shift(s13 - s15));
- // stage 3
- s2 = (int)(cospi_16_64 * (x2 + x3));
- s3 = (int)(cospi_16_64 * (x2 - x3));
- s6 = (int)(cospi_16_64 * (x6 + x7));
- s7 = (int)(cospi_16_64 * (x6 - x7));
+ // stage 4
+ s2 = (-cospi_16_64) * (x2 + x3);
+ s3 = cospi_16_64 * (x2 - x3);
+ s6 = cospi_16_64 * (x6 + x7);
+ s7 = cospi_16_64 * (-x6 + x7);
+ s10 = cospi_16_64 * (x10 + x11);
+ s11 = cospi_16_64 * (-x10 + x11);
+ s14 = (-cospi_16_64) * (x14 + x15);
+ s15 = cospi_16_64 * (x14 - x15);
x2 = WRAPLOW(dct_const_round_shift(s2));
x3 = WRAPLOW(dct_const_round_shift(s3));
x6 = WRAPLOW(dct_const_round_shift(s6));
x7 = WRAPLOW(dct_const_round_shift(s7));
+ x10 = WRAPLOW(dct_const_round_shift(s10));
+ x11 = WRAPLOW(dct_const_round_shift(s11));
+ x14 = WRAPLOW(dct_const_round_shift(s14));
+ x15 = WRAPLOW(dct_const_round_shift(s15));
output[0] = WRAPLOW(x0);
- output[1] = WRAPLOW(-x4);
- output[2] = WRAPLOW(x6);
- output[3] = WRAPLOW(-x2);
- output[4] = WRAPLOW(x3);
- output[5] = WRAPLOW(-x7);
- output[6] = WRAPLOW(x5);
- output[7] = WRAPLOW(-x1);
+ output[1] = WRAPLOW(-x8);
+ output[2] = WRAPLOW(x12);
+ output[3] = WRAPLOW(-x4);
+ output[4] = WRAPLOW(x6);
+ output[5] = WRAPLOW(x14);
+ output[6] = WRAPLOW(x10);
+ output[7] = WRAPLOW(x2);
+ output[8] = WRAPLOW(x3);
+ output[9] = WRAPLOW(x11);
+ output[10] = WRAPLOW(x15);
+ output[11] = WRAPLOW(x7);
+ output[12] = WRAPLOW(x5);
+ output[13] = WRAPLOW(-x13);
+ output[14] = WRAPLOW(x9);
+ output[15] = WRAPLOW(-x1);
}
-void vpx_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest, int stride) {- int i, j;
- tran_low_t out[8 * 8] = { 0 };- tran_low_t *outptr = out;
- tran_low_t temp_in[8], temp_out[8];
-
- // First transform rows
- // Only first 4 row has non-zero coefs
- for (i = 0; i < 4; ++i) {- idct8_c(input, outptr);
- input += 8;
- outptr += 8;
- }
-
- // Then transform columns
- for (i = 0; i < 8; ++i) {- for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
- idct8_c(temp_in, temp_out);
- for (j = 0; j < 8; ++j) {- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 5));
- }
- }
-}
-
void idct16_c(const tran_low_t *input, tran_low_t *output) {tran_low_t step1[16], step2[16];
tran_high_t temp1, temp2;
@@ -573,175 +741,7 @@
}
}
-void iadst16_c(const tran_low_t *input, tran_low_t *output) {- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
- tran_high_t s9, s10, s11, s12, s13, s14, s15;
- tran_high_t x0 = input[15];
- tran_high_t x1 = input[0];
- tran_high_t x2 = input[13];
- tran_high_t x3 = input[2];
- tran_high_t x4 = input[11];
- tran_high_t x5 = input[4];
- tran_high_t x6 = input[9];
- tran_high_t x7 = input[6];
- tran_high_t x8 = input[7];
- tran_high_t x9 = input[8];
- tran_high_t x10 = input[5];
- tran_high_t x11 = input[10];
- tran_high_t x12 = input[3];
- tran_high_t x13 = input[12];
- tran_high_t x14 = input[1];
- tran_high_t x15 = input[14];
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 |
- x13 | x14 | x15)) {- memset(output, 0, 16 * sizeof(*output));
- return;
- }
-
- // stage 1
- s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
- s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
- s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
- s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
- s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
- s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
- s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
- s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
- s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
- s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
- s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
- s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
- s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
- s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
- s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
- s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
-
- x0 = WRAPLOW(dct_const_round_shift(s0 + s8));
- x1 = WRAPLOW(dct_const_round_shift(s1 + s9));
- x2 = WRAPLOW(dct_const_round_shift(s2 + s10));
- x3 = WRAPLOW(dct_const_round_shift(s3 + s11));
- x4 = WRAPLOW(dct_const_round_shift(s4 + s12));
- x5 = WRAPLOW(dct_const_round_shift(s5 + s13));
- x6 = WRAPLOW(dct_const_round_shift(s6 + s14));
- x7 = WRAPLOW(dct_const_round_shift(s7 + s15));
- x8 = WRAPLOW(dct_const_round_shift(s0 - s8));
- x9 = WRAPLOW(dct_const_round_shift(s1 - s9));
- x10 = WRAPLOW(dct_const_round_shift(s2 - s10));
- x11 = WRAPLOW(dct_const_round_shift(s3 - s11));
- x12 = WRAPLOW(dct_const_round_shift(s4 - s12));
- x13 = WRAPLOW(dct_const_round_shift(s5 - s13));
- x14 = WRAPLOW(dct_const_round_shift(s6 - s14));
- x15 = WRAPLOW(dct_const_round_shift(s7 - s15));
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4;
- s5 = x5;
- s6 = x6;
- s7 = x7;
- s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
- s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
- s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
- s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
- s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
- s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
- s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
- s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
-
- x0 = WRAPLOW(s0 + s4);
- x1 = WRAPLOW(s1 + s5);
- x2 = WRAPLOW(s2 + s6);
- x3 = WRAPLOW(s3 + s7);
- x4 = WRAPLOW(s0 - s4);
- x5 = WRAPLOW(s1 - s5);
- x6 = WRAPLOW(s2 - s6);
- x7 = WRAPLOW(s3 - s7);
- x8 = WRAPLOW(dct_const_round_shift(s8 + s12));
- x9 = WRAPLOW(dct_const_round_shift(s9 + s13));
- x10 = WRAPLOW(dct_const_round_shift(s10 + s14));
- x11 = WRAPLOW(dct_const_round_shift(s11 + s15));
- x12 = WRAPLOW(dct_const_round_shift(s8 - s12));
- x13 = WRAPLOW(dct_const_round_shift(s9 - s13));
- x14 = WRAPLOW(dct_const_round_shift(s10 - s14));
- x15 = WRAPLOW(dct_const_round_shift(s11 - s15));
-
- // stage 3
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
- s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
- s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
- s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
- s8 = x8;
- s9 = x9;
- s10 = x10;
- s11 = x11;
- s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
- s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
- s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
- s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
-
- x0 = WRAPLOW(s0 + s2);
- x1 = WRAPLOW(s1 + s3);
- x2 = WRAPLOW(s0 - s2);
- x3 = WRAPLOW(s1 - s3);
- x4 = WRAPLOW(dct_const_round_shift(s4 + s6));
- x5 = WRAPLOW(dct_const_round_shift(s5 + s7));
- x6 = WRAPLOW(dct_const_round_shift(s4 - s6));
- x7 = WRAPLOW(dct_const_round_shift(s5 - s7));
- x8 = WRAPLOW(s8 + s10);
- x9 = WRAPLOW(s9 + s11);
- x10 = WRAPLOW(s8 - s10);
- x11 = WRAPLOW(s9 - s11);
- x12 = WRAPLOW(dct_const_round_shift(s12 + s14));
- x13 = WRAPLOW(dct_const_round_shift(s13 + s15));
- x14 = WRAPLOW(dct_const_round_shift(s12 - s14));
- x15 = WRAPLOW(dct_const_round_shift(s13 - s15));
-
- // stage 4
- s2 = (-cospi_16_64) * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (-x6 + x7);
- s10 = cospi_16_64 * (x10 + x11);
- s11 = cospi_16_64 * (-x10 + x11);
- s14 = (-cospi_16_64) * (x14 + x15);
- s15 = cospi_16_64 * (x14 - x15);
-
- x2 = WRAPLOW(dct_const_round_shift(s2));
- x3 = WRAPLOW(dct_const_round_shift(s3));
- x6 = WRAPLOW(dct_const_round_shift(s6));
- x7 = WRAPLOW(dct_const_round_shift(s7));
- x10 = WRAPLOW(dct_const_round_shift(s10));
- x11 = WRAPLOW(dct_const_round_shift(s11));
- x14 = WRAPLOW(dct_const_round_shift(s14));
- x15 = WRAPLOW(dct_const_round_shift(s15));
-
- output[0] = WRAPLOW(x0);
- output[1] = WRAPLOW(-x8);
- output[2] = WRAPLOW(x12);
- output[3] = WRAPLOW(-x4);
- output[4] = WRAPLOW(x6);
- output[5] = WRAPLOW(x14);
- output[6] = WRAPLOW(x10);
- output[7] = WRAPLOW(x2);
- output[8] = WRAPLOW(x3);
- output[9] = WRAPLOW(x11);
- output[10] = WRAPLOW(x15);
- output[11] = WRAPLOW(x7);
- output[12] = WRAPLOW(x5);
- output[13] = WRAPLOW(-x13);
- output[14] = WRAPLOW(x9);
- output[15] = WRAPLOW(-x1);
-}
-
-void vpx_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest,
+void vpx_idct16x16_38_add_c(const tran_low_t *input, uint8_t *dest,
int stride) {int i, j;
tran_low_t out[16 * 16] = { 0 };@@ -749,8 +749,8 @@
tran_low_t temp_in[16], temp_out[16];
// First transform rows. Since all non-zero dct coefficients are in
- // upper-left 4x4 area, we only need to calculate first 4 rows here.
- for (i = 0; i < 4; ++i) {+ // upper-left 8x8 area, we only need to calculate first 8 rows here.
+ for (i = 0; i < 8; ++i) {idct16_c(input, outptr);
input += 16;
outptr += 16;
@@ -767,7 +767,7 @@
}
}
-void vpx_idct16x16_38_add_c(const tran_low_t *input, uint8_t *dest,
+void vpx_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest,
int stride) {int i, j;
tran_low_t out[16 * 16] = { 0 };@@ -775,8 +775,8 @@
tran_low_t temp_in[16], temp_out[16];
// First transform rows. Since all non-zero dct coefficients are in
- // upper-left 8x8 area, we only need to calculate first 8 rows here.
- for (i = 0; i < 8; ++i) {+ // upper-left 4x4 area, we only need to calculate first 4 rows here.
+ for (i = 0; i < 4; ++i) {idct16_c(input, outptr);
input += 16;
outptr += 16;
@@ -1377,6 +1377,51 @@
}
}
+void vpx_highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd) {+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+ tran_low_t x0 = input[0];
+ tran_low_t x1 = input[1];
+ tran_low_t x2 = input[2];
+ tran_low_t x3 = input[3];
+ (void)bd;
+
+ if (detect_invalid_highbd_input(input, 4)) {+#if CONFIG_COEFFICIENT_RANGE_CHECKING
+ assert(0 && "invalid highbd txfm input");
+#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
+ memset(output, 0, sizeof(*output) * 4);
+ return;
+ }
+
+ if (!(x0 | x1 | x2 | x3)) {+ memset(output, 0, 4 * sizeof(*output));
+ return;
+ }
+
+ s0 = sinpi_1_9 * x0;
+ s1 = sinpi_2_9 * x0;
+ s2 = sinpi_3_9 * x1;
+ s3 = sinpi_4_9 * x2;
+ s4 = sinpi_1_9 * x2;
+ s5 = sinpi_2_9 * x3;
+ s6 = sinpi_4_9 * x3;
+ s7 = (tran_high_t)HIGHBD_WRAPLOW(x0 - x2 + x3, bd);
+
+ s0 = s0 + s3 + s5;
+ s1 = s1 - s4 - s6;
+ s3 = s2;
+ s2 = sinpi_3_9 * s7;
+
+ // 1-D transform scaling factor is sqrt(2).
+ // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
+ // + 1b (addition) = 29b.
+ // Hence the output bit depth is 15b.
+ output[0] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s3), bd);
+ output[1] = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s3), bd);
+ output[2] = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
+ output[3] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s1 - s3), bd);
+}
+
void vpx_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd) {tran_low_t step[4];
tran_high_t temp1, temp2;
@@ -1453,6 +1498,90 @@
}
}
+void vpx_highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd) {+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+ tran_low_t x0 = input[7];
+ tran_low_t x1 = input[0];
+ tran_low_t x2 = input[5];
+ tran_low_t x3 = input[2];
+ tran_low_t x4 = input[3];
+ tran_low_t x5 = input[4];
+ tran_low_t x6 = input[1];
+ tran_low_t x7 = input[6];
+ (void)bd;
+
+ if (detect_invalid_highbd_input(input, 8)) {+#if CONFIG_COEFFICIENT_RANGE_CHECKING
+ assert(0 && "invalid highbd txfm input");
+#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
+ memset(output, 0, sizeof(*output) * 8);
+ return;
+ }
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {+ memset(output, 0, 8 * sizeof(*output));
+ return;
+ }
+
+ // stage 1
+ s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
+ s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
+ s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
+ s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
+ s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
+ s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
+ s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
+ s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
+
+ x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s4), bd);
+ x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s5), bd);
+ x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s6), bd);
+ x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s7), bd);
+ x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s4), bd);
+ x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s5), bd);
+ x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s6), bd);
+ x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s7), bd);
+
+ // stage 2
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
+ s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
+ s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
+ s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
+
+ x0 = HIGHBD_WRAPLOW(s0 + s2, bd);
+ x1 = HIGHBD_WRAPLOW(s1 + s3, bd);
+ x2 = HIGHBD_WRAPLOW(s0 - s2, bd);
+ x3 = HIGHBD_WRAPLOW(s1 - s3, bd);
+ x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s6), bd);
+ x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s7), bd);
+ x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s6), bd);
+ x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s7), bd);
+
+ // stage 3
+ s2 = cospi_16_64 * (x2 + x3);
+ s3 = cospi_16_64 * (x2 - x3);
+ s6 = cospi_16_64 * (x6 + x7);
+ s7 = cospi_16_64 * (x6 - x7);
+
+ x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
+ x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3), bd);
+ x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6), bd);
+ x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7), bd);
+
+ output[0] = HIGHBD_WRAPLOW(x0, bd);
+ output[1] = HIGHBD_WRAPLOW(-x4, bd);
+ output[2] = HIGHBD_WRAPLOW(x6, bd);
+ output[3] = HIGHBD_WRAPLOW(-x2, bd);
+ output[4] = HIGHBD_WRAPLOW(x3, bd);
+ output[5] = HIGHBD_WRAPLOW(-x7, bd);
+ output[6] = HIGHBD_WRAPLOW(x5, bd);
+ output[7] = HIGHBD_WRAPLOW(-x1, bd);
+}
+
void vpx_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd) {tran_low_t step1[8], step2[8];
tran_high_t temp1, temp2;
@@ -1533,6 +1662,33 @@
}
}
+void vpx_highbd_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {+ int i, j;
+ tran_low_t out[8 * 8] = { 0 };+ tran_low_t *outptr = out;
+ tran_low_t temp_in[8], temp_out[8];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // First transform rows
+ // Only first 4 row has non-zero coefs
+ for (i = 0; i < 4; ++i) {+ vpx_highbd_idct8_c(input, outptr, bd);
+ input += 8;
+ outptr += 8;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 8; ++i) {+ for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
+ vpx_highbd_idct8_c(temp_in, temp_out, bd);
+ for (j = 0; j < 8; ++j) {+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
+ }
+ }
+}
+
void vpx_highbd_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest8,
int stride, int bd) {int i, j;
@@ -1549,94 +1705,75 @@
}
}
-void vpx_highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd) {- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
- tran_low_t x0 = input[0];
- tran_low_t x1 = input[1];
- tran_low_t x2 = input[2];
- tran_low_t x3 = input[3];
- (void)bd;
-
- if (detect_invalid_highbd_input(input, 4)) {-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- assert(0 && "invalid highbd txfm input");
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- memset(output, 0, sizeof(*output) * 4);
- return;
- }
-
- if (!(x0 | x1 | x2 | x3)) {- memset(output, 0, 4 * sizeof(*output));
- return;
- }
-
- s0 = sinpi_1_9 * x0;
- s1 = sinpi_2_9 * x0;
- s2 = sinpi_3_9 * x1;
- s3 = sinpi_4_9 * x2;
- s4 = sinpi_1_9 * x2;
- s5 = sinpi_2_9 * x3;
- s6 = sinpi_4_9 * x3;
- s7 = (tran_high_t)HIGHBD_WRAPLOW(x0 - x2 + x3, bd);
-
- s0 = s0 + s3 + s5;
- s1 = s1 - s4 - s6;
- s3 = s2;
- s2 = sinpi_3_9 * s7;
-
- // 1-D transform scaling factor is sqrt(2).
- // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
- // + 1b (addition) = 29b.
- // Hence the output bit depth is 15b.
- output[0] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s3), bd);
- output[1] = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s3), bd);
- output[2] = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
- output[3] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s1 - s3), bd);
-}
-
-void vpx_highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd) {- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
- tran_low_t x0 = input[7];
+void vpx_highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd) {+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
+ tran_high_t s9, s10, s11, s12, s13, s14, s15;
+ tran_low_t x0 = input[15];
tran_low_t x1 = input[0];
- tran_low_t x2 = input[5];
+ tran_low_t x2 = input[13];
tran_low_t x3 = input[2];
- tran_low_t x4 = input[3];
+ tran_low_t x4 = input[11];
tran_low_t x5 = input[4];
- tran_low_t x6 = input[1];
+ tran_low_t x6 = input[9];
tran_low_t x7 = input[6];
+ tran_low_t x8 = input[7];
+ tran_low_t x9 = input[8];
+ tran_low_t x10 = input[5];
+ tran_low_t x11 = input[10];
+ tran_low_t x12 = input[3];
+ tran_low_t x13 = input[12];
+ tran_low_t x14 = input[1];
+ tran_low_t x15 = input[14];
(void)bd;
- if (detect_invalid_highbd_input(input, 8)) {+ if (detect_invalid_highbd_input(input, 16)) {#if CONFIG_COEFFICIENT_RANGE_CHECKING
assert(0 && "invalid highbd txfm input");
#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- memset(output, 0, sizeof(*output) * 8);
+ memset(output, 0, sizeof(*output) * 16);
return;
}
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {- memset(output, 0, 8 * sizeof(*output));
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 |
+ x13 | x14 | x15)) {+ memset(output, 0, 16 * sizeof(*output));
return;
}
// stage 1
- s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
- s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
- s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
- s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
- s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
- s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
- s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
- s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
+ s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
+ s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
+ s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
+ s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
+ s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
+ s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
+ s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
+ s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
+ s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
+ s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
+ s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
+ s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
+ s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
+ s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
+ s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
+ s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
- x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s4), bd);
- x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s5), bd);
- x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s6), bd);
- x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s7), bd);
- x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s4), bd);
- x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s5), bd);
- x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s6), bd);
- x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s7), bd);
+ x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s8), bd);
+ x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s9), bd);
+ x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s10), bd);
+ x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s11), bd);
+ x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s12), bd);
+ x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s13), bd);
+ x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 + s14), bd);
+ x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 + s15), bd);
+ x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s8), bd);
+ x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s9), bd);
+ x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s10), bd);
+ x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s11), bd);
+ x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s12), bd);
+ x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s13), bd);
+ x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 - s14), bd);
+ x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 - s15), bd);
// stage 2
s0 = x0;
@@ -1643,11 +1780,54 @@
s1 = x1;
s2 = x2;
s3 = x3;
- s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
- s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
- s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
- s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
+ s4 = x4;
+ s5 = x5;
+ s6 = x6;
+ s7 = x7;
+ s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
+ s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
+ s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
+ s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
+ s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
+ s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
+ s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
+ s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
+ x0 = HIGHBD_WRAPLOW(s0 + s4, bd);
+ x1 = HIGHBD_WRAPLOW(s1 + s5, bd);
+ x2 = HIGHBD_WRAPLOW(s2 + s6, bd);
+ x3 = HIGHBD_WRAPLOW(s3 + s7, bd);
+ x4 = HIGHBD_WRAPLOW(s0 - s4, bd);
+ x5 = HIGHBD_WRAPLOW(s1 - s5, bd);
+ x6 = HIGHBD_WRAPLOW(s2 - s6, bd);
+ x7 = HIGHBD_WRAPLOW(s3 - s7, bd);
+ x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 + s12), bd);
+ x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 + s13), bd);
+ x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 + s14), bd);
+ x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 + s15), bd);
+ x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 - s12), bd);
+ x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 - s13), bd);
+ x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 - s14), bd);
+ x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 - s15), bd);
+
+ // stage 3
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
+ s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
+ s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
+ s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
+ s8 = x8;
+ s9 = x9;
+ s10 = x10;
+ s11 = x11;
+ s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
+ s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
+ s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
+ s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
+
x0 = HIGHBD_WRAPLOW(s0 + s2, bd);
x1 = HIGHBD_WRAPLOW(s1 + s3, bd);
x2 = HIGHBD_WRAPLOW(s0 - s2, bd);
@@ -1656,55 +1836,52 @@
x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s7), bd);
x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s6), bd);
x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s7), bd);
+ x8 = HIGHBD_WRAPLOW(s8 + s10, bd);
+ x9 = HIGHBD_WRAPLOW(s9 + s11, bd);
+ x10 = HIGHBD_WRAPLOW(s8 - s10, bd);
+ x11 = HIGHBD_WRAPLOW(s9 - s11, bd);
+ x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 + s14), bd);
+ x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 + s15), bd);
+ x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 - s14), bd);
+ x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 - s15), bd);
- // stage 3
- s2 = cospi_16_64 * (x2 + x3);
+ // stage 4
+ s2 = (-cospi_16_64) * (x2 + x3);
s3 = cospi_16_64 * (x2 - x3);
s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (x6 - x7);
+ s7 = cospi_16_64 * (-x6 + x7);
+ s10 = cospi_16_64 * (x10 + x11);
+ s11 = cospi_16_64 * (-x10 + x11);
+ s14 = (-cospi_16_64) * (x14 + x15);
+ s15 = cospi_16_64 * (x14 - x15);
x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3), bd);
x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6), bd);
x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7), bd);
+ x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10), bd);
+ x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11), bd);
+ x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s14), bd);
+ x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s15), bd);
output[0] = HIGHBD_WRAPLOW(x0, bd);
- output[1] = HIGHBD_WRAPLOW(-x4, bd);
- output[2] = HIGHBD_WRAPLOW(x6, bd);
- output[3] = HIGHBD_WRAPLOW(-x2, bd);
- output[4] = HIGHBD_WRAPLOW(x3, bd);
- output[5] = HIGHBD_WRAPLOW(-x7, bd);
- output[6] = HIGHBD_WRAPLOW(x5, bd);
- output[7] = HIGHBD_WRAPLOW(-x1, bd);
+ output[1] = HIGHBD_WRAPLOW(-x8, bd);
+ output[2] = HIGHBD_WRAPLOW(x12, bd);
+ output[3] = HIGHBD_WRAPLOW(-x4, bd);
+ output[4] = HIGHBD_WRAPLOW(x6, bd);
+ output[5] = HIGHBD_WRAPLOW(x14, bd);
+ output[6] = HIGHBD_WRAPLOW(x10, bd);
+ output[7] = HIGHBD_WRAPLOW(x2, bd);
+ output[8] = HIGHBD_WRAPLOW(x3, bd);
+ output[9] = HIGHBD_WRAPLOW(x11, bd);
+ output[10] = HIGHBD_WRAPLOW(x15, bd);
+ output[11] = HIGHBD_WRAPLOW(x7, bd);
+ output[12] = HIGHBD_WRAPLOW(x5, bd);
+ output[13] = HIGHBD_WRAPLOW(-x13, bd);
+ output[14] = HIGHBD_WRAPLOW(x9, bd);
+ output[15] = HIGHBD_WRAPLOW(-x1, bd);
}
-void vpx_highbd_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {- int i, j;
- tran_low_t out[8 * 8] = { 0 };- tran_low_t *outptr = out;
- tran_low_t temp_in[8], temp_out[8];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // First transform rows
- // Only first 4 row has non-zero coefs
- for (i = 0; i < 4; ++i) {- vpx_highbd_idct8_c(input, outptr, bd);
- input += 8;
- outptr += 8;
- }
-
- // Then transform columns
- for (i = 0; i < 8; ++i) {- for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
- vpx_highbd_idct8_c(temp_in, temp_out, bd);
- for (j = 0; j < 8; ++j) {- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
- }
- }
-}
-
void vpx_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd) {tran_low_t step1[16], step2[16];
tran_high_t temp1, temp2;
@@ -1903,183 +2080,6 @@
dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
}
}
-}
-
-void vpx_highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd) {- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
- tran_high_t s9, s10, s11, s12, s13, s14, s15;
- tran_low_t x0 = input[15];
- tran_low_t x1 = input[0];
- tran_low_t x2 = input[13];
- tran_low_t x3 = input[2];
- tran_low_t x4 = input[11];
- tran_low_t x5 = input[4];
- tran_low_t x6 = input[9];
- tran_low_t x7 = input[6];
- tran_low_t x8 = input[7];
- tran_low_t x9 = input[8];
- tran_low_t x10 = input[5];
- tran_low_t x11 = input[10];
- tran_low_t x12 = input[3];
- tran_low_t x13 = input[12];
- tran_low_t x14 = input[1];
- tran_low_t x15 = input[14];
- (void)bd;
-
- if (detect_invalid_highbd_input(input, 16)) {-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- assert(0 && "invalid highbd txfm input");
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- memset(output, 0, sizeof(*output) * 16);
- return;
- }
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 |
- x13 | x14 | x15)) {- memset(output, 0, 16 * sizeof(*output));
- return;
- }
-
- // stage 1
- s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
- s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
- s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
- s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
- s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
- s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
- s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
- s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
- s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
- s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
- s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
- s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
- s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
- s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
- s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
- s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
-
- x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s8), bd);
- x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s9), bd);
- x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s10), bd);
- x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s11), bd);
- x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s12), bd);
- x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s13), bd);
- x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 + s14), bd);
- x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 + s15), bd);
- x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s8), bd);
- x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s9), bd);
- x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s10), bd);
- x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s11), bd);
- x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s12), bd);
- x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s13), bd);
- x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 - s14), bd);
- x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 - s15), bd);
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4;
- s5 = x5;
- s6 = x6;
- s7 = x7;
- s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
- s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
- s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
- s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
- s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
- s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
- s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
- s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
-
- x0 = HIGHBD_WRAPLOW(s0 + s4, bd);
- x1 = HIGHBD_WRAPLOW(s1 + s5, bd);
- x2 = HIGHBD_WRAPLOW(s2 + s6, bd);
- x3 = HIGHBD_WRAPLOW(s3 + s7, bd);
- x4 = HIGHBD_WRAPLOW(s0 - s4, bd);
- x5 = HIGHBD_WRAPLOW(s1 - s5, bd);
- x6 = HIGHBD_WRAPLOW(s2 - s6, bd);
- x7 = HIGHBD_WRAPLOW(s3 - s7, bd);
- x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 + s12), bd);
- x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 + s13), bd);
- x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 + s14), bd);
- x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 + s15), bd);
- x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 - s12), bd);
- x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 - s13), bd);
- x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 - s14), bd);
- x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 - s15), bd);
-
- // stage 3
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
- s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
- s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
- s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
- s8 = x8;
- s9 = x9;
- s10 = x10;
- s11 = x11;
- s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
- s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
- s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
- s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
-
- x0 = HIGHBD_WRAPLOW(s0 + s2, bd);
- x1 = HIGHBD_WRAPLOW(s1 + s3, bd);
- x2 = HIGHBD_WRAPLOW(s0 - s2, bd);
- x3 = HIGHBD_WRAPLOW(s1 - s3, bd);
- x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s6), bd);
- x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s7), bd);
- x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s6), bd);
- x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s7), bd);
- x8 = HIGHBD_WRAPLOW(s8 + s10, bd);
- x9 = HIGHBD_WRAPLOW(s9 + s11, bd);
- x10 = HIGHBD_WRAPLOW(s8 - s10, bd);
- x11 = HIGHBD_WRAPLOW(s9 - s11, bd);
- x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 + s14), bd);
- x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 + s15), bd);
- x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 - s14), bd);
- x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 - s15), bd);
-
- // stage 4
- s2 = (-cospi_16_64) * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (-x6 + x7);
- s10 = cospi_16_64 * (x10 + x11);
- s11 = cospi_16_64 * (-x10 + x11);
- s14 = (-cospi_16_64) * (x14 + x15);
- s15 = cospi_16_64 * (x14 - x15);
-
- x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
- x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3), bd);
- x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6), bd);
- x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7), bd);
- x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10), bd);
- x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11), bd);
- x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s14), bd);
- x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s15), bd);
-
- output[0] = HIGHBD_WRAPLOW(x0, bd);
- output[1] = HIGHBD_WRAPLOW(-x8, bd);
- output[2] = HIGHBD_WRAPLOW(x12, bd);
- output[3] = HIGHBD_WRAPLOW(-x4, bd);
- output[4] = HIGHBD_WRAPLOW(x6, bd);
- output[5] = HIGHBD_WRAPLOW(x14, bd);
- output[6] = HIGHBD_WRAPLOW(x10, bd);
- output[7] = HIGHBD_WRAPLOW(x2, bd);
- output[8] = HIGHBD_WRAPLOW(x3, bd);
- output[9] = HIGHBD_WRAPLOW(x11, bd);
- output[10] = HIGHBD_WRAPLOW(x15, bd);
- output[11] = HIGHBD_WRAPLOW(x7, bd);
- output[12] = HIGHBD_WRAPLOW(x5, bd);
- output[13] = HIGHBD_WRAPLOW(-x13, bd);
- output[14] = HIGHBD_WRAPLOW(x9, bd);
- output[15] = HIGHBD_WRAPLOW(-x1, bd);
}
void vpx_highbd_idct16x16_38_add_c(const tran_low_t *input, uint8_t *dest8,