}
}
+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;
}
}
+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;
}
}
-void vpx_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- int i, j;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64));
-
- out = WRAPLOW(dct_const_round_shift(out * cospi_16_64));
- a1 = ROUND_POWER_OF_TWO(out, 5);
- for (j = 0; j < 8; ++j) {
- for (i = 0; i < 8; ++i) dest[i] = clip_pixel_add(dest[i], a1);
- dest += stride;
- }
-}
-
-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];
- 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 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 };
}
}
-void idct16_c(const tran_low_t *input, tran_low_t *output) {
- tran_low_t step1[16], step2[16];
- tran_high_t temp1, temp2;
+void vpx_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ int i, j;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64));
- // stage 1
- step1[0] = input[0 / 2];
- step1[1] = input[16 / 2];
- step1[2] = input[8 / 2];
- step1[3] = input[24 / 2];
- step1[4] = input[4 / 2];
- step1[5] = input[20 / 2];
- step1[6] = input[12 / 2];
- step1[7] = input[28 / 2];
- step1[8] = input[2 / 2];
- step1[9] = input[18 / 2];
- step1[10] = input[10 / 2];
- step1[11] = input[26 / 2];
- step1[12] = input[6 / 2];
- step1[13] = input[22 / 2];
- step1[14] = input[14 / 2];
- step1[15] = input[30 / 2];
-
- // stage 2
- step2[0] = step1[0];
- step2[1] = step1[1];
- step2[2] = step1[2];
- step2[3] = step1[3];
- step2[4] = step1[4];
- step2[5] = step1[5];
- step2[6] = step1[6];
- step2[7] = step1[7];
-
- temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
- temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
- step2[8] = WRAPLOW(dct_const_round_shift(temp1));
- step2[15] = WRAPLOW(dct_const_round_shift(temp2));
-
- temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
- temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1));
- step2[14] = WRAPLOW(dct_const_round_shift(temp2));
-
- temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
- temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1));
- step2[13] = WRAPLOW(dct_const_round_shift(temp2));
-
- temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
- temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1));
- step2[12] = WRAPLOW(dct_const_round_shift(temp2));
-
- // stage 3
- step1[0] = step2[0];
- step1[1] = step2[1];
- step1[2] = step2[2];
- step1[3] = step2[3];
-
- temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
- temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
- step1[4] = WRAPLOW(dct_const_round_shift(temp1));
- step1[7] = WRAPLOW(dct_const_round_shift(temp2));
- temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
- temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1));
- step1[6] = WRAPLOW(dct_const_round_shift(temp2));
-
- step1[8] = WRAPLOW(step2[8] + step2[9]);
- step1[9] = WRAPLOW(step2[8] - step2[9]);
- step1[10] = WRAPLOW(-step2[10] + step2[11]);
- step1[11] = WRAPLOW(step2[10] + step2[11]);
- step1[12] = WRAPLOW(step2[12] + step2[13]);
- step1[13] = WRAPLOW(step2[12] - step2[13]);
- step1[14] = WRAPLOW(-step2[14] + step2[15]);
- step1[15] = WRAPLOW(step2[14] + step2[15]);
-
- // stage 4
- temp1 = (step1[0] + step1[1]) * cospi_16_64;
- temp2 = (step1[0] - step1[1]) * cospi_16_64;
- step2[0] = WRAPLOW(dct_const_round_shift(temp1));
- step2[1] = WRAPLOW(dct_const_round_shift(temp2));
- temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
- temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
- step2[2] = WRAPLOW(dct_const_round_shift(temp1));
- step2[3] = WRAPLOW(dct_const_round_shift(temp2));
- step2[4] = WRAPLOW(step1[4] + step1[5]);
- step2[5] = WRAPLOW(step1[4] - step1[5]);
- step2[6] = WRAPLOW(-step1[6] + step1[7]);
- step2[7] = WRAPLOW(step1[6] + step1[7]);
-
- step2[8] = step1[8];
- step2[15] = step1[15];
- temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
- temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1));
- step2[14] = WRAPLOW(dct_const_round_shift(temp2));
- temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
- temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1));
- step2[13] = WRAPLOW(dct_const_round_shift(temp2));
- step2[11] = step1[11];
- step2[12] = step1[12];
-
- // stage 5
- step1[0] = WRAPLOW(step2[0] + step2[3]);
- step1[1] = WRAPLOW(step2[1] + step2[2]);
- step1[2] = WRAPLOW(step2[1] - step2[2]);
- step1[3] = WRAPLOW(step2[0] - step2[3]);
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1));
- step1[6] = WRAPLOW(dct_const_round_shift(temp2));
- step1[7] = step2[7];
-
- step1[8] = WRAPLOW(step2[8] + step2[11]);
- step1[9] = WRAPLOW(step2[9] + step2[10]);
- step1[10] = WRAPLOW(step2[9] - step2[10]);
- step1[11] = WRAPLOW(step2[8] - step2[11]);
- step1[12] = WRAPLOW(-step2[12] + step2[15]);
- step1[13] = WRAPLOW(-step2[13] + step2[14]);
- step1[14] = WRAPLOW(step2[13] + step2[14]);
- step1[15] = WRAPLOW(step2[12] + step2[15]);
-
- // stage 6
- step2[0] = WRAPLOW(step1[0] + step1[7]);
- step2[1] = WRAPLOW(step1[1] + step1[6]);
- step2[2] = WRAPLOW(step1[2] + step1[5]);
- step2[3] = WRAPLOW(step1[3] + step1[4]);
- step2[4] = WRAPLOW(step1[3] - step1[4]);
- step2[5] = WRAPLOW(step1[2] - step1[5]);
- step2[6] = WRAPLOW(step1[1] - step1[6]);
- step2[7] = WRAPLOW(step1[0] - step1[7]);
- step2[8] = step1[8];
- step2[9] = step1[9];
- temp1 = (-step1[10] + step1[13]) * cospi_16_64;
- temp2 = (step1[10] + step1[13]) * cospi_16_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1));
- step2[13] = WRAPLOW(dct_const_round_shift(temp2));
- temp1 = (-step1[11] + step1[12]) * cospi_16_64;
- temp2 = (step1[11] + step1[12]) * cospi_16_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1));
- step2[12] = WRAPLOW(dct_const_round_shift(temp2));
- step2[14] = step1[14];
- step2[15] = step1[15];
-
- // stage 7
- output[0] = WRAPLOW(step2[0] + step2[15]);
- output[1] = WRAPLOW(step2[1] + step2[14]);
- output[2] = WRAPLOW(step2[2] + step2[13]);
- output[3] = WRAPLOW(step2[3] + step2[12]);
- output[4] = WRAPLOW(step2[4] + step2[11]);
- output[5] = WRAPLOW(step2[5] + step2[10]);
- output[6] = WRAPLOW(step2[6] + step2[9]);
- output[7] = WRAPLOW(step2[7] + step2[8]);
- output[8] = WRAPLOW(step2[7] - step2[8]);
- output[9] = WRAPLOW(step2[6] - step2[9]);
- output[10] = WRAPLOW(step2[5] - step2[10]);
- output[11] = WRAPLOW(step2[4] - step2[11]);
- output[12] = WRAPLOW(step2[3] - step2[12]);
- output[13] = WRAPLOW(step2[2] - step2[13]);
- output[14] = WRAPLOW(step2[1] - step2[14]);
- output[15] = WRAPLOW(step2[0] - step2[15]);
-}
-
-void vpx_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest,
- int stride) {
- int i, j;
- tran_low_t out[16 * 16];
- tran_low_t *outptr = out;
- tran_low_t temp_in[16], temp_out[16];
-
- // First transform rows
- for (i = 0; i < 16; ++i) {
- idct16_c(input, outptr);
- input += 16;
- outptr += 16;
- }
-
- // Then transform columns
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
- idct16_c(temp_in, temp_out);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
+ out = WRAPLOW(dct_const_round_shift(out * cospi_16_64));
+ a1 = ROUND_POWER_OF_TWO(out, 5);
+ for (j = 0; j < 8; ++j) {
+ for (i = 0; i < 8; ++i) dest[i] = clip_pixel_add(dest[i], a1);
+ dest += stride;
}
}
output[15] = WRAPLOW(-x1);
}
-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 };
- tran_low_t *outptr = out;
- tran_low_t temp_in[16], temp_out[16];
+void idct16_c(const tran_low_t *input, tran_low_t *output) {
+ tran_low_t step1[16], step2[16];
+ tran_high_t temp1, temp2;
- // 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) {
- idct16_c(input, outptr);
- input += 16;
- outptr += 16;
- }
+ // stage 1
+ step1[0] = input[0 / 2];
+ step1[1] = input[16 / 2];
+ step1[2] = input[8 / 2];
+ step1[3] = input[24 / 2];
+ step1[4] = input[4 / 2];
+ step1[5] = input[20 / 2];
+ step1[6] = input[12 / 2];
+ step1[7] = input[28 / 2];
+ step1[8] = input[2 / 2];
+ step1[9] = input[18 / 2];
+ step1[10] = input[10 / 2];
+ step1[11] = input[26 / 2];
+ step1[12] = input[6 / 2];
+ step1[13] = input[22 / 2];
+ step1[14] = input[14 / 2];
+ step1[15] = input[30 / 2];
- // Then transform columns
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
- idct16_c(temp_in, temp_out);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
-}
+ // stage 2
+ step2[0] = step1[0];
+ step2[1] = step1[1];
+ step2[2] = step1[2];
+ step2[3] = step1[3];
+ step2[4] = step1[4];
+ step2[5] = step1[5];
+ step2[6] = step1[6];
+ step2[7] = step1[7];
-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 };
- tran_low_t *outptr = out;
- tran_low_t temp_in[16], temp_out[16];
+ temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+ temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+ step2[8] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[15] = WRAPLOW(dct_const_round_shift(temp2));
- // 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) {
- idct16_c(input, outptr);
- input += 16;
- outptr += 16;
- }
+ temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+ temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2));
- // Then transform columns
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
- idct16_c(temp_in, temp_out);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
+ temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+ temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2));
+
+ temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+ temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2));
+
+ // stage 3
+ step1[0] = step2[0];
+ step1[1] = step2[1];
+ step1[2] = step2[2];
+ step1[3] = step2[3];
+
+ temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+ temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+ step1[4] = WRAPLOW(dct_const_round_shift(temp1));
+ step1[7] = WRAPLOW(dct_const_round_shift(temp2));
+ temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+ temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1));
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2));
+
+ step1[8] = WRAPLOW(step2[8] + step2[9]);
+ step1[9] = WRAPLOW(step2[8] - step2[9]);
+ step1[10] = WRAPLOW(-step2[10] + step2[11]);
+ step1[11] = WRAPLOW(step2[10] + step2[11]);
+ step1[12] = WRAPLOW(step2[12] + step2[13]);
+ step1[13] = WRAPLOW(step2[12] - step2[13]);
+ step1[14] = WRAPLOW(-step2[14] + step2[15]);
+ step1[15] = WRAPLOW(step2[14] + step2[15]);
+
+ // stage 4
+ temp1 = (step1[0] + step1[1]) * cospi_16_64;
+ temp2 = (step1[0] - step1[1]) * cospi_16_64;
+ step2[0] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[1] = WRAPLOW(dct_const_round_shift(temp2));
+ temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+ temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+ step2[2] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[3] = WRAPLOW(dct_const_round_shift(temp2));
+ step2[4] = WRAPLOW(step1[4] + step1[5]);
+ step2[5] = WRAPLOW(step1[4] - step1[5]);
+ step2[6] = WRAPLOW(-step1[6] + step1[7]);
+ step2[7] = WRAPLOW(step1[6] + step1[7]);
+
+ step2[8] = step1[8];
+ step2[15] = step1[15];
+ temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+ temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2));
+ temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+ temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2));
+ step2[11] = step1[11];
+ step2[12] = step1[12];
+
+ // stage 5
+ step1[0] = WRAPLOW(step2[0] + step2[3]);
+ step1[1] = WRAPLOW(step2[1] + step2[2]);
+ step1[2] = WRAPLOW(step2[1] - step2[2]);
+ step1[3] = WRAPLOW(step2[0] - step2[3]);
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1));
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2));
+ step1[7] = step2[7];
+
+ step1[8] = WRAPLOW(step2[8] + step2[11]);
+ step1[9] = WRAPLOW(step2[9] + step2[10]);
+ step1[10] = WRAPLOW(step2[9] - step2[10]);
+ step1[11] = WRAPLOW(step2[8] - step2[11]);
+ step1[12] = WRAPLOW(-step2[12] + step2[15]);
+ step1[13] = WRAPLOW(-step2[13] + step2[14]);
+ step1[14] = WRAPLOW(step2[13] + step2[14]);
+ step1[15] = WRAPLOW(step2[12] + step2[15]);
+
+ // stage 6
+ step2[0] = WRAPLOW(step1[0] + step1[7]);
+ step2[1] = WRAPLOW(step1[1] + step1[6]);
+ step2[2] = WRAPLOW(step1[2] + step1[5]);
+ step2[3] = WRAPLOW(step1[3] + step1[4]);
+ step2[4] = WRAPLOW(step1[3] - step1[4]);
+ step2[5] = WRAPLOW(step1[2] - step1[5]);
+ step2[6] = WRAPLOW(step1[1] - step1[6]);
+ step2[7] = WRAPLOW(step1[0] - step1[7]);
+ step2[8] = step1[8];
+ step2[9] = step1[9];
+ temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+ temp2 = (step1[10] + step1[13]) * cospi_16_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2));
+ temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+ temp2 = (step1[11] + step1[12]) * cospi_16_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1));
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2));
+ step2[14] = step1[14];
+ step2[15] = step1[15];
+
+ // stage 7
+ output[0] = WRAPLOW(step2[0] + step2[15]);
+ output[1] = WRAPLOW(step2[1] + step2[14]);
+ output[2] = WRAPLOW(step2[2] + step2[13]);
+ output[3] = WRAPLOW(step2[3] + step2[12]);
+ output[4] = WRAPLOW(step2[4] + step2[11]);
+ output[5] = WRAPLOW(step2[5] + step2[10]);
+ output[6] = WRAPLOW(step2[6] + step2[9]);
+ output[7] = WRAPLOW(step2[7] + step2[8]);
+ output[8] = WRAPLOW(step2[7] - step2[8]);
+ output[9] = WRAPLOW(step2[6] - step2[9]);
+ output[10] = WRAPLOW(step2[5] - step2[10]);
+ output[11] = WRAPLOW(step2[4] - step2[11]);
+ output[12] = WRAPLOW(step2[3] - step2[12]);
+ output[13] = WRAPLOW(step2[2] - step2[13]);
+ output[14] = WRAPLOW(step2[1] - step2[14]);
+ output[15] = WRAPLOW(step2[0] - step2[15]);
+}
+
+void vpx_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ int i, j;
+ tran_low_t out[16 * 16];
+ tran_low_t *outptr = out;
+ tran_low_t temp_in[16], temp_out[16];
+
+ // First transform rows
+ for (i = 0; i < 16; ++i) {
+ idct16_c(input, outptr);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
+ idct16_c(temp_in, temp_out);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+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 };
+ tran_low_t *outptr = out;
+ 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) {
+ idct16_c(input, outptr);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
+ idct16_c(temp_in, temp_out);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+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 };
+ tran_low_t *outptr = out;
+ 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) {
+ idct16_c(input, outptr);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
+ idct16_c(temp_in, temp_out);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
}
void vpx_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
}
}
+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;
}
}
-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;
-
- 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;
- }
-
- // stage 1
+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;
+
+ 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;
+ }
+
+ // stage 1
step1[0] = input[0];
step1[2] = input[4];
step1[1] = input[2];
}
}
+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;
}
}
-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;
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);
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);
-}
-
-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);
- }
- }
+ 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_idct16_c(const tran_low_t *input, tran_low_t *output, int 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,
int stride, int bd) {
int i, j;
projects / platform / upstream / libvpx.git / commitdiff