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Unified Diff: third_party/libvpx/source/libvpx/vp9/encoder/vp9_dct.c

Issue 1158913006: Move libvpx from DEPS to src (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add DEPS file with #include paths Created 5 years, 7 months ago
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Index: third_party/libvpx/source/libvpx/vp9/encoder/vp9_dct.c
diff --git a/third_party/libvpx/source/libvpx/vp9/encoder/vp9_dct.c b/third_party/libvpx/source/libvpx/vp9/encoder/vp9_dct.c
new file mode 100644
index 0000000000000000000000000000000000000000..9e6ca3d594c4ab550f7738e99dd258bfad06f0b0
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vp9/encoder/vp9_dct.c
@@ -0,0 +1,1591 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <math.h>
+
+#include "./vpx_config.h"
+#include "./vp9_rtcd.h"
+
+#include "vp9/common/vp9_blockd.h"
+#include "vp9/common/vp9_idct.h"
+#include "vp9/common/vp9_systemdependent.h"
+#include "vp9/encoder/vp9_dct.h"
+
+static INLINE tran_high_t fdct_round_shift(tran_high_t input) {
+ tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
+ // TODO(debargha, peter.derivaz): Find new bounds for this assert
+ // and make the bounds consts.
+ // assert(INT16_MIN <= rv && rv <= INT16_MAX);
+ return rv;
+}
+
+void vp9_fdct4(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t step[4];
+ tran_high_t temp1, temp2;
+
+ step[0] = input[0] + input[3];
+ step[1] = input[1] + input[2];
+ step[2] = input[1] - input[2];
+ step[3] = input[0] - input[3];
+
+ temp1 = (step[0] + step[1]) * cospi_16_64;
+ temp2 = (step[0] - step[1]) * cospi_16_64;
+ output[0] = (tran_low_t)fdct_round_shift(temp1);
+ output[2] = (tran_low_t)fdct_round_shift(temp2);
+ temp1 = step[2] * cospi_24_64 + step[3] * cospi_8_64;
+ temp2 = -step[2] * cospi_8_64 + step[3] * cospi_24_64;
+ output[1] = (tran_low_t)fdct_round_shift(temp1);
+ output[3] = (tran_low_t)fdct_round_shift(temp2);
+}
+
+void vp9_fdct4x4_1_c(const int16_t *input, tran_low_t *output, int stride) {
+ int r, c;
+ tran_low_t sum = 0;
+ for (r = 0; r < 4; ++r)
+ for (c = 0; c < 4; ++c)
+ sum += input[r * stride + c];
+
+ output[0] = sum << 1;
+ output[1] = 0;
+}
+
+void vp9_fdct4x4_c(const int16_t *input, tran_low_t *output, int stride) {
+ // The 2D transform is done with two passes which are actually pretty
+ // similar. In the first one, we transform the columns and transpose
+ // the results. In the second one, we transform the rows. To achieve that,
+ // as the first pass results are transposed, we transpose the columns (that
+ // is the transposed rows) and transpose the results (so that it goes back
+ // in normal/row positions).
+ int pass;
+ // We need an intermediate buffer between passes.
+ tran_low_t intermediate[4 * 4];
+ const int16_t *in_pass0 = input;
+ const tran_low_t *in = NULL;
+ tran_low_t *out = intermediate;
+ // Do the two transform/transpose passes
+ for (pass = 0; pass < 2; ++pass) {
+ tran_high_t input[4]; // canbe16
+ tran_high_t step[4]; // canbe16
+ tran_high_t temp1, temp2; // needs32
+ int i;
+ for (i = 0; i < 4; ++i) {
+ // Load inputs.
+ if (0 == pass) {
+ input[0] = in_pass0[0 * stride] * 16;
+ input[1] = in_pass0[1 * stride] * 16;
+ input[2] = in_pass0[2 * stride] * 16;
+ input[3] = in_pass0[3 * stride] * 16;
+ if (i == 0 && input[0]) {
+ input[0] += 1;
+ }
+ } else {
+ input[0] = in[0 * 4];
+ input[1] = in[1 * 4];
+ input[2] = in[2 * 4];
+ input[3] = in[3 * 4];
+ }
+ // Transform.
+ step[0] = input[0] + input[3];
+ step[1] = input[1] + input[2];
+ step[2] = input[1] - input[2];
+ step[3] = input[0] - input[3];
+ temp1 = (step[0] + step[1]) * cospi_16_64;
+ temp2 = (step[0] - step[1]) * cospi_16_64;
+ out[0] = (tran_low_t)fdct_round_shift(temp1);
+ out[2] = (tran_low_t)fdct_round_shift(temp2);
+ temp1 = step[2] * cospi_24_64 + step[3] * cospi_8_64;
+ temp2 = -step[2] * cospi_8_64 + step[3] * cospi_24_64;
+ out[1] = (tran_low_t)fdct_round_shift(temp1);
+ out[3] = (tran_low_t)fdct_round_shift(temp2);
+ // Do next column (which is a transposed row in second/horizontal pass)
+ in_pass0++;
+ in++;
+ out += 4;
+ }
+ // Setup in/out for next pass.
+ in = intermediate;
+ out = output;
+ }
+
+ {
+ int i, j;
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ output[j + i * 4] = (output[j + i * 4] + 1) >> 2;
+ }
+ }
+}
+
+void vp9_fadst4(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t x0, x1, x2, x3;
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+ x0 = input[0];
+ x1 = input[1];
+ x2 = input[2];
+ x3 = input[3];
+
+ if (!(x0 | x1 | x2 | x3)) {
+ output[0] = output[1] = output[2] = output[3] = 0;
+ return;
+ }
+
+ s0 = sinpi_1_9 * x0;
+ s1 = sinpi_4_9 * x0;
+ s2 = sinpi_2_9 * x1;
+ s3 = sinpi_1_9 * x1;
+ s4 = sinpi_3_9 * x2;
+ s5 = sinpi_4_9 * x3;
+ s6 = sinpi_2_9 * x3;
+ s7 = x0 + x1 - x3;
+
+ x0 = s0 + s2 + s5;
+ x1 = sinpi_3_9 * s7;
+ x2 = s1 - s3 + s6;
+ x3 = s4;
+
+ s0 = x0 + x3;
+ s1 = x1;
+ s2 = x2 - x3;
+ s3 = x2 - x0 + x3;
+
+ // 1-D transform scaling factor is sqrt(2).
+ output[0] = (tran_low_t)fdct_round_shift(s0);
+ output[1] = (tran_low_t)fdct_round_shift(s1);
+ output[2] = (tran_low_t)fdct_round_shift(s2);
+ output[3] = (tran_low_t)fdct_round_shift(s3);
+}
+
+void vp9_fht4x4_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ if (tx_type == DCT_DCT) {
+ vp9_fdct4x4_c(input, output, stride);
+ } else {
+ tran_low_t out[4 * 4];
+ int i, j;
+ tran_low_t temp_in[4], temp_out[4];
+ const transform_2d ht = FHT_4[tx_type];
+
+ // Columns
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ temp_in[j] = input[j * stride + i] * 16;
+ if (i == 0 && temp_in[0])
+ temp_in[0] += 1;
+ ht.cols(temp_in, temp_out);
+ for (j = 0; j < 4; ++j)
+ out[j * 4 + i] = temp_out[j];
+ }
+
+ // Rows
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ temp_in[j] = out[j + i * 4];
+ ht.rows(temp_in, temp_out);
+ for (j = 0; j < 4; ++j)
+ output[j + i * 4] = (temp_out[j] + 1) >> 2;
+ }
+ }
+}
+
+void vp9_fdct8(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; // canbe16
+ tran_high_t t0, t1, t2, t3; // needs32
+ tran_high_t x0, x1, x2, x3; // canbe16
+
+ // stage 1
+ s0 = input[0] + input[7];
+ s1 = input[1] + input[6];
+ s2 = input[2] + input[5];
+ s3 = input[3] + input[4];
+ s4 = input[3] - input[4];
+ s5 = input[2] - input[5];
+ s6 = input[1] - input[6];
+ s7 = input[0] - input[7];
+
+ // fdct4(step, step);
+ x0 = s0 + s3;
+ x1 = s1 + s2;
+ x2 = s1 - s2;
+ x3 = s0 - s3;
+ t0 = (x0 + x1) * cospi_16_64;
+ t1 = (x0 - x1) * cospi_16_64;
+ t2 = x2 * cospi_24_64 + x3 * cospi_8_64;
+ t3 = -x2 * cospi_8_64 + x3 * cospi_24_64;
+ output[0] = (tran_low_t)fdct_round_shift(t0);
+ output[2] = (tran_low_t)fdct_round_shift(t2);
+ output[4] = (tran_low_t)fdct_round_shift(t1);
+ output[6] = (tran_low_t)fdct_round_shift(t3);
+
+ // Stage 2
+ t0 = (s6 - s5) * cospi_16_64;
+ t1 = (s6 + s5) * cospi_16_64;
+ t2 = (tran_low_t)fdct_round_shift(t0);
+ t3 = (tran_low_t)fdct_round_shift(t1);
+
+ // Stage 3
+ x0 = s4 + t2;
+ x1 = s4 - t2;
+ x2 = s7 - t3;
+ x3 = s7 + t3;
+
+ // Stage 4
+ t0 = x0 * cospi_28_64 + x3 * cospi_4_64;
+ t1 = x1 * cospi_12_64 + x2 * cospi_20_64;
+ t2 = x2 * cospi_12_64 + x1 * -cospi_20_64;
+ t3 = x3 * cospi_28_64 + x0 * -cospi_4_64;
+ output[1] = (tran_low_t)fdct_round_shift(t0);
+ output[3] = (tran_low_t)fdct_round_shift(t2);
+ output[5] = (tran_low_t)fdct_round_shift(t1);
+ output[7] = (tran_low_t)fdct_round_shift(t3);
+}
+
+void vp9_fdct8x8_1_c(const int16_t *input, tran_low_t *output, int stride) {
+ int r, c;
+ tran_low_t sum = 0;
+ for (r = 0; r < 8; ++r)
+ for (c = 0; c < 8; ++c)
+ sum += input[r * stride + c];
+
+ output[0] = sum;
+ output[1] = 0;
+}
+
+void vp9_fdct8x8_c(const int16_t *input, tran_low_t *final_output, int stride) {
+ int i, j;
+ tran_low_t intermediate[64];
+
+ // Transform columns
+ {
+ tran_low_t *output = intermediate;
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; // canbe16
+ tran_high_t t0, t1, t2, t3; // needs32
+ tran_high_t x0, x1, x2, x3; // canbe16
+
+ int i;
+ for (i = 0; i < 8; i++) {
+ // stage 1
+ s0 = (input[0 * stride] + input[7 * stride]) * 4;
+ s1 = (input[1 * stride] + input[6 * stride]) * 4;
+ s2 = (input[2 * stride] + input[5 * stride]) * 4;
+ s3 = (input[3 * stride] + input[4 * stride]) * 4;
+ s4 = (input[3 * stride] - input[4 * stride]) * 4;
+ s5 = (input[2 * stride] - input[5 * stride]) * 4;
+ s6 = (input[1 * stride] - input[6 * stride]) * 4;
+ s7 = (input[0 * stride] - input[7 * stride]) * 4;
+
+ // fdct4(step, step);
+ x0 = s0 + s3;
+ x1 = s1 + s2;
+ x2 = s1 - s2;
+ x3 = s0 - s3;
+ t0 = (x0 + x1) * cospi_16_64;
+ t1 = (x0 - x1) * cospi_16_64;
+ t2 = x2 * cospi_24_64 + x3 * cospi_8_64;
+ t3 = -x2 * cospi_8_64 + x3 * cospi_24_64;
+ output[0 * 8] = (tran_low_t)fdct_round_shift(t0);
+ output[2 * 8] = (tran_low_t)fdct_round_shift(t2);
+ output[4 * 8] = (tran_low_t)fdct_round_shift(t1);
+ output[6 * 8] = (tran_low_t)fdct_round_shift(t3);
+
+ // Stage 2
+ t0 = (s6 - s5) * cospi_16_64;
+ t1 = (s6 + s5) * cospi_16_64;
+ t2 = fdct_round_shift(t0);
+ t3 = fdct_round_shift(t1);
+
+ // Stage 3
+ x0 = s4 + t2;
+ x1 = s4 - t2;
+ x2 = s7 - t3;
+ x3 = s7 + t3;
+
+ // Stage 4
+ t0 = x0 * cospi_28_64 + x3 * cospi_4_64;
+ t1 = x1 * cospi_12_64 + x2 * cospi_20_64;
+ t2 = x2 * cospi_12_64 + x1 * -cospi_20_64;
+ t3 = x3 * cospi_28_64 + x0 * -cospi_4_64;
+ output[1 * 8] = (tran_low_t)fdct_round_shift(t0);
+ output[3 * 8] = (tran_low_t)fdct_round_shift(t2);
+ output[5 * 8] = (tran_low_t)fdct_round_shift(t1);
+ output[7 * 8] = (tran_low_t)fdct_round_shift(t3);
+ input++;
+ output++;
+ }
+ }
+
+ // Rows
+ for (i = 0; i < 8; ++i) {
+ vp9_fdct8(&intermediate[i * 8], &final_output[i * 8]);
+ for (j = 0; j < 8; ++j)
+ final_output[j + i * 8] /= 2;
+ }
+}
+
+void vp9_fdct8x8_quant_c(const int16_t *input, int stride,
+ tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ int skip_block,
+ const int16_t *zbin_ptr, const int16_t *round_ptr,
+ const int16_t *quant_ptr,
+ const int16_t *quant_shift_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
+ const int16_t *dequant_ptr,
+ uint16_t *eob_ptr,
+ const int16_t *scan, const int16_t *iscan) {
+ int eob = -1;
+
+ int i, j;
+ tran_low_t intermediate[64];
+
+ // Transform columns
+ {
+ tran_low_t *output = intermediate;
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; // canbe16
+ tran_high_t t0, t1, t2, t3; // needs32
+ tran_high_t x0, x1, x2, x3; // canbe16
+
+ int i;
+ for (i = 0; i < 8; i++) {
+ // stage 1
+ s0 = (input[0 * stride] + input[7 * stride]) * 4;
+ s1 = (input[1 * stride] + input[6 * stride]) * 4;
+ s2 = (input[2 * stride] + input[5 * stride]) * 4;
+ s3 = (input[3 * stride] + input[4 * stride]) * 4;
+ s4 = (input[3 * stride] - input[4 * stride]) * 4;
+ s5 = (input[2 * stride] - input[5 * stride]) * 4;
+ s6 = (input[1 * stride] - input[6 * stride]) * 4;
+ s7 = (input[0 * stride] - input[7 * stride]) * 4;
+
+ // fdct4(step, step);
+ x0 = s0 + s3;
+ x1 = s1 + s2;
+ x2 = s1 - s2;
+ x3 = s0 - s3;
+ t0 = (x0 + x1) * cospi_16_64;
+ t1 = (x0 - x1) * cospi_16_64;
+ t2 = x2 * cospi_24_64 + x3 * cospi_8_64;
+ t3 = -x2 * cospi_8_64 + x3 * cospi_24_64;
+ output[0 * 8] = (tran_low_t)fdct_round_shift(t0);
+ output[2 * 8] = (tran_low_t)fdct_round_shift(t2);
+ output[4 * 8] = (tran_low_t)fdct_round_shift(t1);
+ output[6 * 8] = (tran_low_t)fdct_round_shift(t3);
+
+ // Stage 2
+ t0 = (s6 - s5) * cospi_16_64;
+ t1 = (s6 + s5) * cospi_16_64;
+ t2 = fdct_round_shift(t0);
+ t3 = fdct_round_shift(t1);
+
+ // Stage 3
+ x0 = s4 + t2;
+ x1 = s4 - t2;
+ x2 = s7 - t3;
+ x3 = s7 + t3;
+
+ // Stage 4
+ t0 = x0 * cospi_28_64 + x3 * cospi_4_64;
+ t1 = x1 * cospi_12_64 + x2 * cospi_20_64;
+ t2 = x2 * cospi_12_64 + x1 * -cospi_20_64;
+ t3 = x3 * cospi_28_64 + x0 * -cospi_4_64;
+ output[1 * 8] = (tran_low_t)fdct_round_shift(t0);
+ output[3 * 8] = (tran_low_t)fdct_round_shift(t2);
+ output[5 * 8] = (tran_low_t)fdct_round_shift(t1);
+ output[7 * 8] = (tran_low_t)fdct_round_shift(t3);
+ input++;
+ output++;
+ }
+ }
+
+ // Rows
+ for (i = 0; i < 8; ++i) {
+ vp9_fdct8(&intermediate[i * 8], &coeff_ptr[i * 8]);
+ for (j = 0; j < 8; ++j)
+ coeff_ptr[j + i * 8] /= 2;
+ }
+
+ // TODO(jingning) Decide the need of these arguments after the
+ // quantization process is completed.
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)iscan;
+
+ memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ // Quantization pass: All coefficients with index >= zero_flag are
+ // skippable. Note: zero_flag can be zero.
+ for (i = 0; i < n_coeffs; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ int tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
+ tmp = (tmp * quant_ptr[rc != 0]) >> 16;
+
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
+
+ if (tmp)
+ eob = i;
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+
+void vp9_fdct16x16_1_c(const int16_t *input, tran_low_t *output, int stride) {
+ int r, c;
+ tran_low_t sum = 0;
+ for (r = 0; r < 16; ++r)
+ for (c = 0; c < 16; ++c)
+ sum += input[r * stride + c];
+
+ output[0] = sum >> 1;
+ output[1] = 0;
+}
+
+void vp9_fdct16x16_c(const int16_t *input, tran_low_t *output, int stride) {
+ // The 2D transform is done with two passes which are actually pretty
+ // similar. In the first one, we transform the columns and transpose
+ // the results. In the second one, we transform the rows. To achieve that,
+ // as the first pass results are transposed, we transpose the columns (that
+ // is the transposed rows) and transpose the results (so that it goes back
+ // in normal/row positions).
+ int pass;
+ // We need an intermediate buffer between passes.
+ tran_low_t intermediate[256];
+ const int16_t *in_pass0 = input;
+ const tran_low_t *in = NULL;
+ tran_low_t *out = intermediate;
+ // Do the two transform/transpose passes
+ for (pass = 0; pass < 2; ++pass) {
+ tran_high_t step1[8]; // canbe16
+ tran_high_t step2[8]; // canbe16
+ tran_high_t step3[8]; // canbe16
+ tran_high_t input[8]; // canbe16
+ tran_high_t temp1, temp2; // needs32
+ int i;
+ for (i = 0; i < 16; i++) {
+ if (0 == pass) {
+ // Calculate input for the first 8 results.
+ input[0] = (in_pass0[0 * stride] + in_pass0[15 * stride]) * 4;
+ input[1] = (in_pass0[1 * stride] + in_pass0[14 * stride]) * 4;
+ input[2] = (in_pass0[2 * stride] + in_pass0[13 * stride]) * 4;
+ input[3] = (in_pass0[3 * stride] + in_pass0[12 * stride]) * 4;
+ input[4] = (in_pass0[4 * stride] + in_pass0[11 * stride]) * 4;
+ input[5] = (in_pass0[5 * stride] + in_pass0[10 * stride]) * 4;
+ input[6] = (in_pass0[6 * stride] + in_pass0[ 9 * stride]) * 4;
+ input[7] = (in_pass0[7 * stride] + in_pass0[ 8 * stride]) * 4;
+ // Calculate input for the next 8 results.
+ step1[0] = (in_pass0[7 * stride] - in_pass0[ 8 * stride]) * 4;
+ step1[1] = (in_pass0[6 * stride] - in_pass0[ 9 * stride]) * 4;
+ step1[2] = (in_pass0[5 * stride] - in_pass0[10 * stride]) * 4;
+ step1[3] = (in_pass0[4 * stride] - in_pass0[11 * stride]) * 4;
+ step1[4] = (in_pass0[3 * stride] - in_pass0[12 * stride]) * 4;
+ step1[5] = (in_pass0[2 * stride] - in_pass0[13 * stride]) * 4;
+ step1[6] = (in_pass0[1 * stride] - in_pass0[14 * stride]) * 4;
+ step1[7] = (in_pass0[0 * stride] - in_pass0[15 * stride]) * 4;
+ } else {
+ // Calculate input for the first 8 results.
+ input[0] = ((in[0 * 16] + 1) >> 2) + ((in[15 * 16] + 1) >> 2);
+ input[1] = ((in[1 * 16] + 1) >> 2) + ((in[14 * 16] + 1) >> 2);
+ input[2] = ((in[2 * 16] + 1) >> 2) + ((in[13 * 16] + 1) >> 2);
+ input[3] = ((in[3 * 16] + 1) >> 2) + ((in[12 * 16] + 1) >> 2);
+ input[4] = ((in[4 * 16] + 1) >> 2) + ((in[11 * 16] + 1) >> 2);
+ input[5] = ((in[5 * 16] + 1) >> 2) + ((in[10 * 16] + 1) >> 2);
+ input[6] = ((in[6 * 16] + 1) >> 2) + ((in[ 9 * 16] + 1) >> 2);
+ input[7] = ((in[7 * 16] + 1) >> 2) + ((in[ 8 * 16] + 1) >> 2);
+ // Calculate input for the next 8 results.
+ step1[0] = ((in[7 * 16] + 1) >> 2) - ((in[ 8 * 16] + 1) >> 2);
+ step1[1] = ((in[6 * 16] + 1) >> 2) - ((in[ 9 * 16] + 1) >> 2);
+ step1[2] = ((in[5 * 16] + 1) >> 2) - ((in[10 * 16] + 1) >> 2);
+ step1[3] = ((in[4 * 16] + 1) >> 2) - ((in[11 * 16] + 1) >> 2);
+ step1[4] = ((in[3 * 16] + 1) >> 2) - ((in[12 * 16] + 1) >> 2);
+ step1[5] = ((in[2 * 16] + 1) >> 2) - ((in[13 * 16] + 1) >> 2);
+ step1[6] = ((in[1 * 16] + 1) >> 2) - ((in[14 * 16] + 1) >> 2);
+ step1[7] = ((in[0 * 16] + 1) >> 2) - ((in[15 * 16] + 1) >> 2);
+ }
+ // Work on the first eight values; fdct8(input, even_results);
+ {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; // canbe16
+ tran_high_t t0, t1, t2, t3; // needs32
+ tran_high_t x0, x1, x2, x3; // canbe16
+
+ // stage 1
+ s0 = input[0] + input[7];
+ s1 = input[1] + input[6];
+ s2 = input[2] + input[5];
+ s3 = input[3] + input[4];
+ s4 = input[3] - input[4];
+ s5 = input[2] - input[5];
+ s6 = input[1] - input[6];
+ s7 = input[0] - input[7];
+
+ // fdct4(step, step);
+ x0 = s0 + s3;
+ x1 = s1 + s2;
+ x2 = s1 - s2;
+ x3 = s0 - s3;
+ t0 = (x0 + x1) * cospi_16_64;
+ t1 = (x0 - x1) * cospi_16_64;
+ t2 = x3 * cospi_8_64 + x2 * cospi_24_64;
+ t3 = x3 * cospi_24_64 - x2 * cospi_8_64;
+ out[0] = (tran_low_t)fdct_round_shift(t0);
+ out[4] = (tran_low_t)fdct_round_shift(t2);
+ out[8] = (tran_low_t)fdct_round_shift(t1);
+ out[12] = (tran_low_t)fdct_round_shift(t3);
+
+ // Stage 2
+ t0 = (s6 - s5) * cospi_16_64;
+ t1 = (s6 + s5) * cospi_16_64;
+ t2 = fdct_round_shift(t0);
+ t3 = fdct_round_shift(t1);
+
+ // Stage 3
+ x0 = s4 + t2;
+ x1 = s4 - t2;
+ x2 = s7 - t3;
+ x3 = s7 + t3;
+
+ // Stage 4
+ t0 = x0 * cospi_28_64 + x3 * cospi_4_64;
+ t1 = x1 * cospi_12_64 + x2 * cospi_20_64;
+ t2 = x2 * cospi_12_64 + x1 * -cospi_20_64;
+ t3 = x3 * cospi_28_64 + x0 * -cospi_4_64;
+ out[2] = (tran_low_t)fdct_round_shift(t0);
+ out[6] = (tran_low_t)fdct_round_shift(t2);
+ out[10] = (tran_low_t)fdct_round_shift(t1);
+ out[14] = (tran_low_t)fdct_round_shift(t3);
+ }
+ // Work on the next eight values; step1 -> odd_results
+ {
+ // step 2
+ temp1 = (step1[5] - step1[2]) * cospi_16_64;
+ temp2 = (step1[4] - step1[3]) * cospi_16_64;
+ step2[2] = fdct_round_shift(temp1);
+ step2[3] = fdct_round_shift(temp2);
+ temp1 = (step1[4] + step1[3]) * cospi_16_64;
+ temp2 = (step1[5] + step1[2]) * cospi_16_64;
+ step2[4] = fdct_round_shift(temp1);
+ step2[5] = fdct_round_shift(temp2);
+ // step 3
+ step3[0] = step1[0] + step2[3];
+ step3[1] = step1[1] + step2[2];
+ step3[2] = step1[1] - step2[2];
+ step3[3] = step1[0] - step2[3];
+ step3[4] = step1[7] - step2[4];
+ step3[5] = step1[6] - step2[5];
+ step3[6] = step1[6] + step2[5];
+ step3[7] = step1[7] + step2[4];
+ // step 4
+ temp1 = step3[1] * -cospi_8_64 + step3[6] * cospi_24_64;
+ temp2 = step3[2] * cospi_24_64 + step3[5] * cospi_8_64;
+ step2[1] = fdct_round_shift(temp1);
+ step2[2] = fdct_round_shift(temp2);
+ temp1 = step3[2] * cospi_8_64 - step3[5] * cospi_24_64;
+ temp2 = step3[1] * cospi_24_64 + step3[6] * cospi_8_64;
+ step2[5] = fdct_round_shift(temp1);
+ step2[6] = fdct_round_shift(temp2);
+ // step 5
+ step1[0] = step3[0] + step2[1];
+ step1[1] = step3[0] - step2[1];
+ step1[2] = step3[3] + step2[2];
+ step1[3] = step3[3] - step2[2];
+ step1[4] = step3[4] - step2[5];
+ step1[5] = step3[4] + step2[5];
+ step1[6] = step3[7] - step2[6];
+ step1[7] = step3[7] + step2[6];
+ // step 6
+ temp1 = step1[0] * cospi_30_64 + step1[7] * cospi_2_64;
+ temp2 = step1[1] * cospi_14_64 + step1[6] * cospi_18_64;
+ out[1] = (tran_low_t)fdct_round_shift(temp1);
+ out[9] = (tran_low_t)fdct_round_shift(temp2);
+ temp1 = step1[2] * cospi_22_64 + step1[5] * cospi_10_64;
+ temp2 = step1[3] * cospi_6_64 + step1[4] * cospi_26_64;
+ out[5] = (tran_low_t)fdct_round_shift(temp1);
+ out[13] = (tran_low_t)fdct_round_shift(temp2);
+ temp1 = step1[3] * -cospi_26_64 + step1[4] * cospi_6_64;
+ temp2 = step1[2] * -cospi_10_64 + step1[5] * cospi_22_64;
+ out[3] = (tran_low_t)fdct_round_shift(temp1);
+ out[11] = (tran_low_t)fdct_round_shift(temp2);
+ temp1 = step1[1] * -cospi_18_64 + step1[6] * cospi_14_64;
+ temp2 = step1[0] * -cospi_2_64 + step1[7] * cospi_30_64;
+ out[7] = (tran_low_t)fdct_round_shift(temp1);
+ out[15] = (tran_low_t)fdct_round_shift(temp2);
+ }
+ // Do next column (which is a transposed row in second/horizontal pass)
+ in++;
+ in_pass0++;
+ out += 16;
+ }
+ // Setup in/out for next pass.
+ in = intermediate;
+ out = output;
+ }
+}
+
+void vp9_fadst8(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t 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];
+
+ // 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 = fdct_round_shift(s0 + s4);
+ x1 = fdct_round_shift(s1 + s5);
+ x2 = fdct_round_shift(s2 + s6);
+ x3 = fdct_round_shift(s3 + s7);
+ x4 = fdct_round_shift(s0 - s4);
+ x5 = fdct_round_shift(s1 - s5);
+ x6 = fdct_round_shift(s2 - s6);
+ x7 = fdct_round_shift(s3 - s7);
+
+ // 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 = s0 + s2;
+ x1 = s1 + s3;
+ x2 = s0 - s2;
+ x3 = s1 - s3;
+ x4 = fdct_round_shift(s4 + s6);
+ x5 = fdct_round_shift(s5 + s7);
+ x6 = fdct_round_shift(s4 - s6);
+ x7 = fdct_round_shift(s5 - s7);
+
+ // 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 = fdct_round_shift(s2);
+ x3 = fdct_round_shift(s3);
+ x6 = fdct_round_shift(s6);
+ x7 = fdct_round_shift(s7);
+
+ output[0] = (tran_low_t)x0;
+ output[1] = (tran_low_t)-x4;
+ output[2] = (tran_low_t)x6;
+ output[3] = (tran_low_t)-x2;
+ output[4] = (tran_low_t)x3;
+ output[5] = (tran_low_t)-x7;
+ output[6] = (tran_low_t)x5;
+ output[7] = (tran_low_t)-x1;
+}
+
+void vp9_fht8x8_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ if (tx_type == DCT_DCT) {
+ vp9_fdct8x8_c(input, output, stride);
+ } else {
+ tran_low_t out[64];
+ int i, j;
+ tran_low_t temp_in[8], temp_out[8];
+ const transform_2d ht = FHT_8[tx_type];
+
+ // Columns
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = input[j * stride + i] * 4;
+ ht.cols(temp_in, temp_out);
+ for (j = 0; j < 8; ++j)
+ out[j * 8 + i] = temp_out[j];
+ }
+
+ // Rows
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j + i * 8];
+ ht.rows(temp_in, temp_out);
+ for (j = 0; j < 8; ++j)
+ output[j + i * 8] = (temp_out[j] + (temp_out[j] < 0)) >> 1;
+ }
+ }
+}
+
+/* 4-point reversible, orthonormal Walsh-Hadamard in 3.5 adds, 0.5 shifts per
+ pixel. */
+void vp9_fwht4x4_c(const int16_t *input, tran_low_t *output, int stride) {
+ int i;
+ tran_high_t a1, b1, c1, d1, e1;
+ const int16_t *ip_pass0 = input;
+ const tran_low_t *ip = NULL;
+ tran_low_t *op = output;
+
+ for (i = 0; i < 4; i++) {
+ a1 = ip_pass0[0 * stride];
+ b1 = ip_pass0[1 * stride];
+ c1 = ip_pass0[2 * stride];
+ d1 = ip_pass0[3 * stride];
+
+ a1 += b1;
+ d1 = d1 - c1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= c1;
+ d1 += b1;
+ op[0] = (tran_low_t)a1;
+ op[4] = (tran_low_t)c1;
+ op[8] = (tran_low_t)d1;
+ op[12] = (tran_low_t)b1;
+
+ ip_pass0++;
+ op++;
+ }
+ ip = output;
+ op = output;
+
+ for (i = 0; i < 4; i++) {
+ a1 = ip[0];
+ b1 = ip[1];
+ c1 = ip[2];
+ d1 = ip[3];
+
+ a1 += b1;
+ d1 -= c1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= c1;
+ d1 += b1;
+ op[0] = (tran_low_t)(a1 * UNIT_QUANT_FACTOR);
+ op[1] = (tran_low_t)(c1 * UNIT_QUANT_FACTOR);
+ op[2] = (tran_low_t)(d1 * UNIT_QUANT_FACTOR);
+ op[3] = (tran_low_t)(b1 * UNIT_QUANT_FACTOR);
+
+ ip += 4;
+ op += 4;
+ }
+}
+
+// Rewrote to use same algorithm as others.
+void vp9_fdct16(const tran_low_t in[16], tran_low_t out[16]) {
+ tran_high_t step1[8]; // canbe16
+ tran_high_t step2[8]; // canbe16
+ tran_high_t step3[8]; // canbe16
+ tran_high_t input[8]; // canbe16
+ tran_high_t temp1, temp2; // needs32
+
+ // step 1
+ input[0] = in[0] + in[15];
+ input[1] = in[1] + in[14];
+ input[2] = in[2] + in[13];
+ input[3] = in[3] + in[12];
+ input[4] = in[4] + in[11];
+ input[5] = in[5] + in[10];
+ input[6] = in[6] + in[ 9];
+ input[7] = in[7] + in[ 8];
+
+ step1[0] = in[7] - in[ 8];
+ step1[1] = in[6] - in[ 9];
+ step1[2] = in[5] - in[10];
+ step1[3] = in[4] - in[11];
+ step1[4] = in[3] - in[12];
+ step1[5] = in[2] - in[13];
+ step1[6] = in[1] - in[14];
+ step1[7] = in[0] - in[15];
+
+ // fdct8(step, step);
+ {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; // canbe16
+ tran_high_t t0, t1, t2, t3; // needs32
+ tran_high_t x0, x1, x2, x3; // canbe16
+
+ // stage 1
+ s0 = input[0] + input[7];
+ s1 = input[1] + input[6];
+ s2 = input[2] + input[5];
+ s3 = input[3] + input[4];
+ s4 = input[3] - input[4];
+ s5 = input[2] - input[5];
+ s6 = input[1] - input[6];
+ s7 = input[0] - input[7];
+
+ // fdct4(step, step);
+ x0 = s0 + s3;
+ x1 = s1 + s2;
+ x2 = s1 - s2;
+ x3 = s0 - s3;
+ t0 = (x0 + x1) * cospi_16_64;
+ t1 = (x0 - x1) * cospi_16_64;
+ t2 = x3 * cospi_8_64 + x2 * cospi_24_64;
+ t3 = x3 * cospi_24_64 - x2 * cospi_8_64;
+ out[0] = (tran_low_t)fdct_round_shift(t0);
+ out[4] = (tran_low_t)fdct_round_shift(t2);
+ out[8] = (tran_low_t)fdct_round_shift(t1);
+ out[12] = (tran_low_t)fdct_round_shift(t3);
+
+ // Stage 2
+ t0 = (s6 - s5) * cospi_16_64;
+ t1 = (s6 + s5) * cospi_16_64;
+ t2 = fdct_round_shift(t0);
+ t3 = fdct_round_shift(t1);
+
+ // Stage 3
+ x0 = s4 + t2;
+ x1 = s4 - t2;
+ x2 = s7 - t3;
+ x3 = s7 + t3;
+
+ // Stage 4
+ t0 = x0 * cospi_28_64 + x3 * cospi_4_64;
+ t1 = x1 * cospi_12_64 + x2 * cospi_20_64;
+ t2 = x2 * cospi_12_64 + x1 * -cospi_20_64;
+ t3 = x3 * cospi_28_64 + x0 * -cospi_4_64;
+ out[2] = (tran_low_t)fdct_round_shift(t0);
+ out[6] = (tran_low_t)fdct_round_shift(t2);
+ out[10] = (tran_low_t)fdct_round_shift(t1);
+ out[14] = (tran_low_t)fdct_round_shift(t3);
+ }
+
+ // step 2
+ temp1 = (step1[5] - step1[2]) * cospi_16_64;
+ temp2 = (step1[4] - step1[3]) * cospi_16_64;
+ step2[2] = fdct_round_shift(temp1);
+ step2[3] = fdct_round_shift(temp2);
+ temp1 = (step1[4] + step1[3]) * cospi_16_64;
+ temp2 = (step1[5] + step1[2]) * cospi_16_64;
+ step2[4] = fdct_round_shift(temp1);
+ step2[5] = fdct_round_shift(temp2);
+
+ // step 3
+ step3[0] = step1[0] + step2[3];
+ step3[1] = step1[1] + step2[2];
+ step3[2] = step1[1] - step2[2];
+ step3[3] = step1[0] - step2[3];
+ step3[4] = step1[7] - step2[4];
+ step3[5] = step1[6] - step2[5];
+ step3[6] = step1[6] + step2[5];
+ step3[7] = step1[7] + step2[4];
+
+ // step 4
+ temp1 = step3[1] * -cospi_8_64 + step3[6] * cospi_24_64;
+ temp2 = step3[2] * cospi_24_64 + step3[5] * cospi_8_64;
+ step2[1] = fdct_round_shift(temp1);
+ step2[2] = fdct_round_shift(temp2);
+ temp1 = step3[2] * cospi_8_64 - step3[5] * cospi_24_64;
+ temp2 = step3[1] * cospi_24_64 + step3[6] * cospi_8_64;
+ step2[5] = fdct_round_shift(temp1);
+ step2[6] = fdct_round_shift(temp2);
+
+ // step 5
+ step1[0] = step3[0] + step2[1];
+ step1[1] = step3[0] - step2[1];
+ step1[2] = step3[3] + step2[2];
+ step1[3] = step3[3] - step2[2];
+ step1[4] = step3[4] - step2[5];
+ step1[5] = step3[4] + step2[5];
+ step1[6] = step3[7] - step2[6];
+ step1[7] = step3[7] + step2[6];
+
+ // step 6
+ temp1 = step1[0] * cospi_30_64 + step1[7] * cospi_2_64;
+ temp2 = step1[1] * cospi_14_64 + step1[6] * cospi_18_64;
+ out[1] = (tran_low_t)fdct_round_shift(temp1);
+ out[9] = (tran_low_t)fdct_round_shift(temp2);
+
+ temp1 = step1[2] * cospi_22_64 + step1[5] * cospi_10_64;
+ temp2 = step1[3] * cospi_6_64 + step1[4] * cospi_26_64;
+ out[5] = (tran_low_t)fdct_round_shift(temp1);
+ out[13] = (tran_low_t)fdct_round_shift(temp2);
+
+ temp1 = step1[3] * -cospi_26_64 + step1[4] * cospi_6_64;
+ temp2 = step1[2] * -cospi_10_64 + step1[5] * cospi_22_64;
+ out[3] = (tran_low_t)fdct_round_shift(temp1);
+ out[11] = (tran_low_t)fdct_round_shift(temp2);
+
+ temp1 = step1[1] * -cospi_18_64 + step1[6] * cospi_14_64;
+ temp2 = step1[0] * -cospi_2_64 + step1[7] * cospi_30_64;
+ out[7] = (tran_low_t)fdct_round_shift(temp1);
+ out[15] = (tran_low_t)fdct_round_shift(temp2);
+}
+
+void vp9_fadst16(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];
+
+ // 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 = fdct_round_shift(s0 + s8);
+ x1 = fdct_round_shift(s1 + s9);
+ x2 = fdct_round_shift(s2 + s10);
+ x3 = fdct_round_shift(s3 + s11);
+ x4 = fdct_round_shift(s4 + s12);
+ x5 = fdct_round_shift(s5 + s13);
+ x6 = fdct_round_shift(s6 + s14);
+ x7 = fdct_round_shift(s7 + s15);
+ x8 = fdct_round_shift(s0 - s8);
+ x9 = fdct_round_shift(s1 - s9);
+ x10 = fdct_round_shift(s2 - s10);
+ x11 = fdct_round_shift(s3 - s11);
+ x12 = fdct_round_shift(s4 - s12);
+ x13 = fdct_round_shift(s5 - s13);
+ x14 = fdct_round_shift(s6 - s14);
+ x15 = fdct_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 = s0 + s4;
+ x1 = s1 + s5;
+ x2 = s2 + s6;
+ x3 = s3 + s7;
+ x4 = s0 - s4;
+ x5 = s1 - s5;
+ x6 = s2 - s6;
+ x7 = s3 - s7;
+ x8 = fdct_round_shift(s8 + s12);
+ x9 = fdct_round_shift(s9 + s13);
+ x10 = fdct_round_shift(s10 + s14);
+ x11 = fdct_round_shift(s11 + s15);
+ x12 = fdct_round_shift(s8 - s12);
+ x13 = fdct_round_shift(s9 - s13);
+ x14 = fdct_round_shift(s10 - s14);
+ x15 = fdct_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 = s0 + s2;
+ x1 = s1 + s3;
+ x2 = s0 - s2;
+ x3 = s1 - s3;
+ x4 = fdct_round_shift(s4 + s6);
+ x5 = fdct_round_shift(s5 + s7);
+ x6 = fdct_round_shift(s4 - s6);
+ x7 = fdct_round_shift(s5 - s7);
+ x8 = s8 + s10;
+ x9 = s9 + s11;
+ x10 = s8 - s10;
+ x11 = s9 - s11;
+ x12 = fdct_round_shift(s12 + s14);
+ x13 = fdct_round_shift(s13 + s15);
+ x14 = fdct_round_shift(s12 - s14);
+ x15 = fdct_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 = fdct_round_shift(s2);
+ x3 = fdct_round_shift(s3);
+ x6 = fdct_round_shift(s6);
+ x7 = fdct_round_shift(s7);
+ x10 = fdct_round_shift(s10);
+ x11 = fdct_round_shift(s11);
+ x14 = fdct_round_shift(s14);
+ x15 = fdct_round_shift(s15);
+
+ output[0] = (tran_low_t)x0;
+ output[1] = (tran_low_t)-x8;
+ output[2] = (tran_low_t)x12;
+ output[3] = (tran_low_t)-x4;
+ output[4] = (tran_low_t)x6;
+ output[5] = (tran_low_t)x14;
+ output[6] = (tran_low_t)x10;
+ output[7] = (tran_low_t)x2;
+ output[8] = (tran_low_t)x3;
+ output[9] = (tran_low_t)x11;
+ output[10] = (tran_low_t)x15;
+ output[11] = (tran_low_t)x7;
+ output[12] = (tran_low_t)x5;
+ output[13] = (tran_low_t)-x13;
+ output[14] = (tran_low_t)x9;
+ output[15] = (tran_low_t)-x1;
+}
+
+void vp9_fht16x16_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ if (tx_type == DCT_DCT) {
+ vp9_fdct16x16_c(input, output, stride);
+ } else {
+ tran_low_t out[256];
+ int i, j;
+ tran_low_t temp_in[16], temp_out[16];
+ const transform_2d ht = FHT_16[tx_type];
+
+ // Columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = input[j * stride + i] * 4;
+ ht.cols(temp_in, temp_out);
+ for (j = 0; j < 16; ++j)
+ out[j * 16 + i] = (temp_out[j] + 1 + (temp_out[j] < 0)) >> 2;
+ }
+
+ // Rows
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j + i * 16];
+ ht.rows(temp_in, temp_out);
+ for (j = 0; j < 16; ++j)
+ output[j + i * 16] = temp_out[j];
+ }
+ }
+}
+
+static INLINE tran_high_t dct_32_round(tran_high_t input) {
+ tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
+ // TODO(debargha, peter.derivaz): Find new bounds for this assert,
+ // and make the bounds consts.
+ // assert(-131072 <= rv && rv <= 131071);
+ return rv;
+}
+
+static INLINE tran_high_t half_round_shift(tran_high_t input) {
+ tran_high_t rv = (input + 1 + (input < 0)) >> 2;
+ return rv;
+}
+
+void vp9_fdct32(const tran_high_t *input, tran_high_t *output, int round) {
+ tran_high_t step[32];
+ // Stage 1
+ step[0] = input[0] + input[(32 - 1)];
+ step[1] = input[1] + input[(32 - 2)];
+ step[2] = input[2] + input[(32 - 3)];
+ step[3] = input[3] + input[(32 - 4)];
+ step[4] = input[4] + input[(32 - 5)];
+ step[5] = input[5] + input[(32 - 6)];
+ step[6] = input[6] + input[(32 - 7)];
+ step[7] = input[7] + input[(32 - 8)];
+ step[8] = input[8] + input[(32 - 9)];
+ step[9] = input[9] + input[(32 - 10)];
+ step[10] = input[10] + input[(32 - 11)];
+ step[11] = input[11] + input[(32 - 12)];
+ step[12] = input[12] + input[(32 - 13)];
+ step[13] = input[13] + input[(32 - 14)];
+ step[14] = input[14] + input[(32 - 15)];
+ step[15] = input[15] + input[(32 - 16)];
+ step[16] = -input[16] + input[(32 - 17)];
+ step[17] = -input[17] + input[(32 - 18)];
+ step[18] = -input[18] + input[(32 - 19)];
+ step[19] = -input[19] + input[(32 - 20)];
+ step[20] = -input[20] + input[(32 - 21)];
+ step[21] = -input[21] + input[(32 - 22)];
+ step[22] = -input[22] + input[(32 - 23)];
+ step[23] = -input[23] + input[(32 - 24)];
+ step[24] = -input[24] + input[(32 - 25)];
+ step[25] = -input[25] + input[(32 - 26)];
+ step[26] = -input[26] + input[(32 - 27)];
+ step[27] = -input[27] + input[(32 - 28)];
+ step[28] = -input[28] + input[(32 - 29)];
+ step[29] = -input[29] + input[(32 - 30)];
+ step[30] = -input[30] + input[(32 - 31)];
+ step[31] = -input[31] + input[(32 - 32)];
+
+ // Stage 2
+ output[0] = step[0] + step[16 - 1];
+ output[1] = step[1] + step[16 - 2];
+ output[2] = step[2] + step[16 - 3];
+ output[3] = step[3] + step[16 - 4];
+ output[4] = step[4] + step[16 - 5];
+ output[5] = step[5] + step[16 - 6];
+ output[6] = step[6] + step[16 - 7];
+ output[7] = step[7] + step[16 - 8];
+ output[8] = -step[8] + step[16 - 9];
+ output[9] = -step[9] + step[16 - 10];
+ output[10] = -step[10] + step[16 - 11];
+ output[11] = -step[11] + step[16 - 12];
+ output[12] = -step[12] + step[16 - 13];
+ output[13] = -step[13] + step[16 - 14];
+ output[14] = -step[14] + step[16 - 15];
+ output[15] = -step[15] + step[16 - 16];
+
+ output[16] = step[16];
+ output[17] = step[17];
+ output[18] = step[18];
+ output[19] = step[19];
+
+ output[20] = dct_32_round((-step[20] + step[27]) * cospi_16_64);
+ output[21] = dct_32_round((-step[21] + step[26]) * cospi_16_64);
+ output[22] = dct_32_round((-step[22] + step[25]) * cospi_16_64);
+ output[23] = dct_32_round((-step[23] + step[24]) * cospi_16_64);
+
+ output[24] = dct_32_round((step[24] + step[23]) * cospi_16_64);
+ output[25] = dct_32_round((step[25] + step[22]) * cospi_16_64);
+ output[26] = dct_32_round((step[26] + step[21]) * cospi_16_64);
+ output[27] = dct_32_round((step[27] + step[20]) * cospi_16_64);
+
+ output[28] = step[28];
+ output[29] = step[29];
+ output[30] = step[30];
+ output[31] = step[31];
+
+ // dump the magnitude by 4, hence the intermediate values are within
+ // the range of 16 bits.
+ if (round) {
+ output[0] = half_round_shift(output[0]);
+ output[1] = half_round_shift(output[1]);
+ output[2] = half_round_shift(output[2]);
+ output[3] = half_round_shift(output[3]);
+ output[4] = half_round_shift(output[4]);
+ output[5] = half_round_shift(output[5]);
+ output[6] = half_round_shift(output[6]);
+ output[7] = half_round_shift(output[7]);
+ output[8] = half_round_shift(output[8]);
+ output[9] = half_round_shift(output[9]);
+ output[10] = half_round_shift(output[10]);
+ output[11] = half_round_shift(output[11]);
+ output[12] = half_round_shift(output[12]);
+ output[13] = half_round_shift(output[13]);
+ output[14] = half_round_shift(output[14]);
+ output[15] = half_round_shift(output[15]);
+
+ output[16] = half_round_shift(output[16]);
+ output[17] = half_round_shift(output[17]);
+ output[18] = half_round_shift(output[18]);
+ output[19] = half_round_shift(output[19]);
+ output[20] = half_round_shift(output[20]);
+ output[21] = half_round_shift(output[21]);
+ output[22] = half_round_shift(output[22]);
+ output[23] = half_round_shift(output[23]);
+ output[24] = half_round_shift(output[24]);
+ output[25] = half_round_shift(output[25]);
+ output[26] = half_round_shift(output[26]);
+ output[27] = half_round_shift(output[27]);
+ output[28] = half_round_shift(output[28]);
+ output[29] = half_round_shift(output[29]);
+ output[30] = half_round_shift(output[30]);
+ output[31] = half_round_shift(output[31]);
+ }
+
+ // Stage 3
+ step[0] = output[0] + output[(8 - 1)];
+ step[1] = output[1] + output[(8 - 2)];
+ step[2] = output[2] + output[(8 - 3)];
+ step[3] = output[3] + output[(8 - 4)];
+ step[4] = -output[4] + output[(8 - 5)];
+ step[5] = -output[5] + output[(8 - 6)];
+ step[6] = -output[6] + output[(8 - 7)];
+ step[7] = -output[7] + output[(8 - 8)];
+ step[8] = output[8];
+ step[9] = output[9];
+ step[10] = dct_32_round((-output[10] + output[13]) * cospi_16_64);
+ step[11] = dct_32_round((-output[11] + output[12]) * cospi_16_64);
+ step[12] = dct_32_round((output[12] + output[11]) * cospi_16_64);
+ step[13] = dct_32_round((output[13] + output[10]) * cospi_16_64);
+ step[14] = output[14];
+ step[15] = output[15];
+
+ step[16] = output[16] + output[23];
+ step[17] = output[17] + output[22];
+ step[18] = output[18] + output[21];
+ step[19] = output[19] + output[20];
+ step[20] = -output[20] + output[19];
+ step[21] = -output[21] + output[18];
+ step[22] = -output[22] + output[17];
+ step[23] = -output[23] + output[16];
+ step[24] = -output[24] + output[31];
+ step[25] = -output[25] + output[30];
+ step[26] = -output[26] + output[29];
+ step[27] = -output[27] + output[28];
+ step[28] = output[28] + output[27];
+ step[29] = output[29] + output[26];
+ step[30] = output[30] + output[25];
+ step[31] = output[31] + output[24];
+
+ // Stage 4
+ output[0] = step[0] + step[3];
+ output[1] = step[1] + step[2];
+ output[2] = -step[2] + step[1];
+ output[3] = -step[3] + step[0];
+ output[4] = step[4];
+ output[5] = dct_32_round((-step[5] + step[6]) * cospi_16_64);
+ output[6] = dct_32_round((step[6] + step[5]) * cospi_16_64);
+ output[7] = step[7];
+ output[8] = step[8] + step[11];
+ output[9] = step[9] + step[10];
+ output[10] = -step[10] + step[9];
+ output[11] = -step[11] + step[8];
+ output[12] = -step[12] + step[15];
+ output[13] = -step[13] + step[14];
+ output[14] = step[14] + step[13];
+ output[15] = step[15] + step[12];
+
+ output[16] = step[16];
+ output[17] = step[17];
+ output[18] = dct_32_round(step[18] * -cospi_8_64 + step[29] * cospi_24_64);
+ output[19] = dct_32_round(step[19] * -cospi_8_64 + step[28] * cospi_24_64);
+ output[20] = dct_32_round(step[20] * -cospi_24_64 + step[27] * -cospi_8_64);
+ output[21] = dct_32_round(step[21] * -cospi_24_64 + step[26] * -cospi_8_64);
+ output[22] = step[22];
+ output[23] = step[23];
+ output[24] = step[24];
+ output[25] = step[25];
+ output[26] = dct_32_round(step[26] * cospi_24_64 + step[21] * -cospi_8_64);
+ output[27] = dct_32_round(step[27] * cospi_24_64 + step[20] * -cospi_8_64);
+ output[28] = dct_32_round(step[28] * cospi_8_64 + step[19] * cospi_24_64);
+ output[29] = dct_32_round(step[29] * cospi_8_64 + step[18] * cospi_24_64);
+ output[30] = step[30];
+ output[31] = step[31];
+
+ // Stage 5
+ step[0] = dct_32_round((output[0] + output[1]) * cospi_16_64);
+ step[1] = dct_32_round((-output[1] + output[0]) * cospi_16_64);
+ step[2] = dct_32_round(output[2] * cospi_24_64 + output[3] * cospi_8_64);
+ step[3] = dct_32_round(output[3] * cospi_24_64 - output[2] * cospi_8_64);
+ step[4] = output[4] + output[5];
+ step[5] = -output[5] + output[4];
+ step[6] = -output[6] + output[7];
+ step[7] = output[7] + output[6];
+ step[8] = output[8];
+ step[9] = dct_32_round(output[9] * -cospi_8_64 + output[14] * cospi_24_64);
+ step[10] = dct_32_round(output[10] * -cospi_24_64 + output[13] * -cospi_8_64);
+ step[11] = output[11];
+ step[12] = output[12];
+ step[13] = dct_32_round(output[13] * cospi_24_64 + output[10] * -cospi_8_64);
+ step[14] = dct_32_round(output[14] * cospi_8_64 + output[9] * cospi_24_64);
+ step[15] = output[15];
+
+ step[16] = output[16] + output[19];
+ step[17] = output[17] + output[18];
+ step[18] = -output[18] + output[17];
+ step[19] = -output[19] + output[16];
+ step[20] = -output[20] + output[23];
+ step[21] = -output[21] + output[22];
+ step[22] = output[22] + output[21];
+ step[23] = output[23] + output[20];
+ step[24] = output[24] + output[27];
+ step[25] = output[25] + output[26];
+ step[26] = -output[26] + output[25];
+ step[27] = -output[27] + output[24];
+ step[28] = -output[28] + output[31];
+ step[29] = -output[29] + output[30];
+ step[30] = output[30] + output[29];
+ step[31] = output[31] + output[28];
+
+ // Stage 6
+ output[0] = step[0];
+ output[1] = step[1];
+ output[2] = step[2];
+ output[3] = step[3];
+ output[4] = dct_32_round(step[4] * cospi_28_64 + step[7] * cospi_4_64);
+ output[5] = dct_32_round(step[5] * cospi_12_64 + step[6] * cospi_20_64);
+ output[6] = dct_32_round(step[6] * cospi_12_64 + step[5] * -cospi_20_64);
+ output[7] = dct_32_round(step[7] * cospi_28_64 + step[4] * -cospi_4_64);
+ output[8] = step[8] + step[9];
+ output[9] = -step[9] + step[8];
+ output[10] = -step[10] + step[11];
+ output[11] = step[11] + step[10];
+ output[12] = step[12] + step[13];
+ output[13] = -step[13] + step[12];
+ output[14] = -step[14] + step[15];
+ output[15] = step[15] + step[14];
+
+ output[16] = step[16];
+ output[17] = dct_32_round(step[17] * -cospi_4_64 + step[30] * cospi_28_64);
+ output[18] = dct_32_round(step[18] * -cospi_28_64 + step[29] * -cospi_4_64);
+ output[19] = step[19];
+ output[20] = step[20];
+ output[21] = dct_32_round(step[21] * -cospi_20_64 + step[26] * cospi_12_64);
+ output[22] = dct_32_round(step[22] * -cospi_12_64 + step[25] * -cospi_20_64);
+ output[23] = step[23];
+ output[24] = step[24];
+ output[25] = dct_32_round(step[25] * cospi_12_64 + step[22] * -cospi_20_64);
+ output[26] = dct_32_round(step[26] * cospi_20_64 + step[21] * cospi_12_64);
+ output[27] = step[27];
+ output[28] = step[28];
+ output[29] = dct_32_round(step[29] * cospi_28_64 + step[18] * -cospi_4_64);
+ output[30] = dct_32_round(step[30] * cospi_4_64 + step[17] * cospi_28_64);
+ output[31] = step[31];
+
+ // Stage 7
+ step[0] = output[0];
+ step[1] = output[1];
+ step[2] = output[2];
+ step[3] = output[3];
+ step[4] = output[4];
+ step[5] = output[5];
+ step[6] = output[6];
+ step[7] = output[7];
+ step[8] = dct_32_round(output[8] * cospi_30_64 + output[15] * cospi_2_64);
+ step[9] = dct_32_round(output[9] * cospi_14_64 + output[14] * cospi_18_64);
+ step[10] = dct_32_round(output[10] * cospi_22_64 + output[13] * cospi_10_64);
+ step[11] = dct_32_round(output[11] * cospi_6_64 + output[12] * cospi_26_64);
+ step[12] = dct_32_round(output[12] * cospi_6_64 + output[11] * -cospi_26_64);
+ step[13] = dct_32_round(output[13] * cospi_22_64 + output[10] * -cospi_10_64);
+ step[14] = dct_32_round(output[14] * cospi_14_64 + output[9] * -cospi_18_64);
+ step[15] = dct_32_round(output[15] * cospi_30_64 + output[8] * -cospi_2_64);
+
+ step[16] = output[16] + output[17];
+ step[17] = -output[17] + output[16];
+ step[18] = -output[18] + output[19];
+ step[19] = output[19] + output[18];
+ step[20] = output[20] + output[21];
+ step[21] = -output[21] + output[20];
+ step[22] = -output[22] + output[23];
+ step[23] = output[23] + output[22];
+ step[24] = output[24] + output[25];
+ step[25] = -output[25] + output[24];
+ step[26] = -output[26] + output[27];
+ step[27] = output[27] + output[26];
+ step[28] = output[28] + output[29];
+ step[29] = -output[29] + output[28];
+ step[30] = -output[30] + output[31];
+ step[31] = output[31] + output[30];
+
+ // Final stage --- outputs indices are bit-reversed.
+ output[0] = step[0];
+ output[16] = step[1];
+ output[8] = step[2];
+ output[24] = step[3];
+ output[4] = step[4];
+ output[20] = step[5];
+ output[12] = step[6];
+ output[28] = step[7];
+ output[2] = step[8];
+ output[18] = step[9];
+ output[10] = step[10];
+ output[26] = step[11];
+ output[6] = step[12];
+ output[22] = step[13];
+ output[14] = step[14];
+ output[30] = step[15];
+
+ output[1] = dct_32_round(step[16] * cospi_31_64 + step[31] * cospi_1_64);
+ output[17] = dct_32_round(step[17] * cospi_15_64 + step[30] * cospi_17_64);
+ output[9] = dct_32_round(step[18] * cospi_23_64 + step[29] * cospi_9_64);
+ output[25] = dct_32_round(step[19] * cospi_7_64 + step[28] * cospi_25_64);
+ output[5] = dct_32_round(step[20] * cospi_27_64 + step[27] * cospi_5_64);
+ output[21] = dct_32_round(step[21] * cospi_11_64 + step[26] * cospi_21_64);
+ output[13] = dct_32_round(step[22] * cospi_19_64 + step[25] * cospi_13_64);
+ output[29] = dct_32_round(step[23] * cospi_3_64 + step[24] * cospi_29_64);
+ output[3] = dct_32_round(step[24] * cospi_3_64 + step[23] * -cospi_29_64);
+ output[19] = dct_32_round(step[25] * cospi_19_64 + step[22] * -cospi_13_64);
+ output[11] = dct_32_round(step[26] * cospi_11_64 + step[21] * -cospi_21_64);
+ output[27] = dct_32_round(step[27] * cospi_27_64 + step[20] * -cospi_5_64);
+ output[7] = dct_32_round(step[28] * cospi_7_64 + step[19] * -cospi_25_64);
+ output[23] = dct_32_round(step[29] * cospi_23_64 + step[18] * -cospi_9_64);
+ output[15] = dct_32_round(step[30] * cospi_15_64 + step[17] * -cospi_17_64);
+ output[31] = dct_32_round(step[31] * cospi_31_64 + step[16] * -cospi_1_64);
+}
+
+void vp9_fdct32x32_1_c(const int16_t *input, tran_low_t *output, int stride) {
+ int r, c;
+ tran_low_t sum = 0;
+ for (r = 0; r < 32; ++r)
+ for (c = 0; c < 32; ++c)
+ sum += input[r * stride + c];
+
+ output[0] = sum >> 3;
+ output[1] = 0;
+}
+
+void vp9_fdct32x32_c(const int16_t *input, tran_low_t *out, int stride) {
+ int i, j;
+ tran_high_t output[32 * 32];
+
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ tran_high_t temp_in[32], temp_out[32];
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = input[j * stride + i] * 4;
+ vp9_fdct32(temp_in, temp_out, 0);
+ for (j = 0; j < 32; ++j)
+ output[j * 32 + i] = (temp_out[j] + 1 + (temp_out[j] > 0)) >> 2;
+ }
+
+ // Rows
+ for (i = 0; i < 32; ++i) {
+ tran_high_t temp_in[32], temp_out[32];
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = output[j + i * 32];
+ vp9_fdct32(temp_in, temp_out, 0);
+ for (j = 0; j < 32; ++j)
+ out[j + i * 32] =
+ (tran_low_t)((temp_out[j] + 1 + (temp_out[j] < 0)) >> 2);
+ }
+}
+
+// Note that although we use dct_32_round in dct32 computation flow,
+// this 2d fdct32x32 for rate-distortion optimization loop is operating
+// within 16 bits precision.
+void vp9_fdct32x32_rd_c(const int16_t *input, tran_low_t *out, int stride) {
+ int i, j;
+ tran_high_t output[32 * 32];
+
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ tran_high_t temp_in[32], temp_out[32];
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = input[j * stride + i] * 4;
+ vp9_fdct32(temp_in, temp_out, 0);
+ for (j = 0; j < 32; ++j)
+ // TODO(cd): see quality impact of only doing
+ // output[j * 32 + i] = (temp_out[j] + 1) >> 2;
+ // PS: also change code in vp9/encoder/x86/vp9_dct_sse2.c
+ output[j * 32 + i] = (temp_out[j] + 1 + (temp_out[j] > 0)) >> 2;
+ }
+
+ // Rows
+ for (i = 0; i < 32; ++i) {
+ tran_high_t temp_in[32], temp_out[32];
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = output[j + i * 32];
+ vp9_fdct32(temp_in, temp_out, 1);
+ for (j = 0; j < 32; ++j)
+ out[j + i * 32] = (tran_low_t)temp_out[j];
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_highbd_fdct4x4_c(const int16_t *input, tran_low_t *output,
+ int stride) {
+ vp9_fdct4x4_c(input, output, stride);
+}
+
+void vp9_highbd_fht4x4_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ vp9_fht4x4_c(input, output, stride, tx_type);
+}
+
+void vp9_highbd_fdct8x8_1_c(const int16_t *input, tran_low_t *final_output,
+ int stride) {
+ vp9_fdct8x8_1_c(input, final_output, stride);
+}
+
+void vp9_highbd_fdct8x8_c(const int16_t *input, tran_low_t *final_output,
+ int stride) {
+ vp9_fdct8x8_c(input, final_output, stride);
+}
+
+void vp9_highbd_fdct16x16_1_c(const int16_t *input, tran_low_t *output,
+ int stride) {
+ vp9_fdct16x16_1_c(input, output, stride);
+}
+
+void vp9_highbd_fdct16x16_c(const int16_t *input, tran_low_t *output,
+ int stride) {
+ vp9_fdct16x16_c(input, output, stride);
+}
+
+void vp9_highbd_fht8x8_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ vp9_fht8x8_c(input, output, stride, tx_type);
+}
+
+void vp9_highbd_fwht4x4_c(const int16_t *input, tran_low_t *output,
+ int stride) {
+ vp9_fwht4x4_c(input, output, stride);
+}
+
+void vp9_highbd_fht16x16_c(const int16_t *input, tran_low_t *output,
+ int stride, int tx_type) {
+ vp9_fht16x16_c(input, output, stride, tx_type);
+}
+
+void vp9_highbd_fdct32x32_1_c(const int16_t *input, tran_low_t *out,
+ int stride) {
+ vp9_fdct32x32_1_c(input, out, stride);
+}
+
+void vp9_highbd_fdct32x32_c(const int16_t *input, tran_low_t *out, int stride) {
+ vp9_fdct32x32_c(input, out, stride);
+}
+
+void vp9_highbd_fdct32x32_rd_c(const int16_t *input, tran_low_t *out,
+ int stride) {
+ vp9_fdct32x32_rd_c(input, out, stride);
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
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