Merge "add dct 64x64 transform" into nextgenv2
diff --git a/test/vp10_fwd_txfm1d_test.cc b/test/vp10_fwd_txfm1d_test.cc
index a39e0ef..bcbc617 100644
--- a/test/vp10_fwd_txfm1d_test.cc
+++ b/test/vp10_fwd_txfm1d_test.cc
@@ -8,8 +8,8 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-#include "test/vp10_txfm_test.h"
#include "vp10/common/vp10_fwd_txfm1d.h"
+#include "test/vp10_txfm_test.h"
using libvpx_test::ACMRandom;
@@ -17,12 +17,14 @@
static int txfm_type_num = 2;
static TYPE_TXFM txfm_type_ls[2] = {TYPE_DCT, TYPE_ADST};
-static int txfm_size_num = 4;
-static int txfm_size_ls[4] = {4, 8, 16, 32};
+static int txfm_size_num = 5;
+static int txfm_size_ls[5] = {4, 8, 16, 32, 64};
-static TxfmFunc fwd_txfm_func_ls[2][4] = {
- {vp10_fdct4_new, vp10_fdct8_new, vp10_fdct16_new, vp10_fdct32_new},
- {vp10_fadst4_new, vp10_fadst8_new, vp10_fadst16_new, vp10_fadst32_new}};
+static TxfmFunc fwd_txfm_func_ls[2][5] = {
+ {vp10_fdct4_new, vp10_fdct8_new, vp10_fdct16_new, vp10_fdct32_new,
+ vp10_fdct64_new},
+ {vp10_fadst4_new, vp10_fadst8_new, vp10_fadst16_new, vp10_fadst32_new,
+ NULL}};
// the maximum stage number of fwd/inv 1d dct/adst txfm is 12
static int8_t cos_bit[12] = {14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14};
@@ -104,19 +106,21 @@
int max_error = 7;
const int count_test_block = 5000;
- for (int ti = 0; ti < count_test_block; ++ti) {
- for (int ni = 0; ni < txfm_size; ++ni) {
- input[ni] = rnd.Rand16() % base - rnd.Rand16() % base;
- ref_input[ni] = static_cast<double>(input[ni]);
- }
+ if (fwd_txfm_func != NULL) {
+ for (int ti = 0; ti < count_test_block; ++ti) {
+ for (int ni = 0; ni < txfm_size; ++ni) {
+ input[ni] = rnd.Rand16() % base - rnd.Rand16() % base;
+ ref_input[ni] = static_cast<double>(input[ni]);
+ }
- fwd_txfm_func(input, output, cos_bit, range_bit);
- reference_hybrid_1d(ref_input, ref_output, txfm_size, txfm_type);
+ fwd_txfm_func(input, output, cos_bit, range_bit);
+ reference_hybrid_1d(ref_input, ref_output, txfm_size, txfm_type);
- for (int ni = 0; ni < txfm_size; ++ni) {
- EXPECT_LE(
- abs(output[ni] - static_cast<int32_t>(round(ref_output[ni]))),
- max_error);
+ for (int ni = 0; ni < txfm_size; ++ni) {
+ EXPECT_LE(
+ abs(output[ni] - static_cast<int32_t>(round(ref_output[ni]))),
+ max_error);
+ }
}
}
}
diff --git a/test/vp10_fwd_txfm2d_test.cc b/test/vp10_fwd_txfm2d_test.cc
index e6416cc..d4115c9 100644
--- a/test/vp10_fwd_txfm2d_test.cc
+++ b/test/vp10_fwd_txfm2d_test.cc
@@ -8,9 +8,9 @@
* be found in the AUTHORS file in the root of the source tree.
*/
+#include <math.h>
#include <stdio.h>
#include <stdlib.h>
-#include <math.h>
#include "third_party/googletest/src/include/gtest/gtest.h"
@@ -23,21 +23,22 @@
namespace {
-const int txfm_size_num = 4;
-const int txfm_size_ls[4] = {4, 8, 16, 32};
-const TXFM_2D_CFG fwd_txfm_cfg_ls[4][4] = {
- {fwd_txfm_2d_cfg_dct_dct_4, fwd_txfm_2d_cfg_dct_adst_4,
- fwd_txfm_2d_cfg_adst_adst_4, fwd_txfm_2d_cfg_adst_dct_4},
- {fwd_txfm_2d_cfg_dct_dct_8, fwd_txfm_2d_cfg_dct_adst_8,
- fwd_txfm_2d_cfg_adst_adst_8, fwd_txfm_2d_cfg_adst_dct_8},
- {fwd_txfm_2d_cfg_dct_dct_16, fwd_txfm_2d_cfg_dct_adst_16,
- fwd_txfm_2d_cfg_adst_adst_16, fwd_txfm_2d_cfg_adst_dct_16},
- {fwd_txfm_2d_cfg_dct_dct_32, fwd_txfm_2d_cfg_dct_adst_32,
- fwd_txfm_2d_cfg_adst_adst_32, fwd_txfm_2d_cfg_adst_dct_32}};
+const int txfm_size_num = 5;
+const int txfm_size_ls[5] = {4, 8, 16, 32, 64};
+const TXFM_2D_CFG* fwd_txfm_cfg_ls[5][4] = {
+ {&fwd_txfm_2d_cfg_dct_dct_4, &fwd_txfm_2d_cfg_dct_adst_4,
+ &fwd_txfm_2d_cfg_adst_adst_4, &fwd_txfm_2d_cfg_adst_dct_4},
+ {&fwd_txfm_2d_cfg_dct_dct_8, &fwd_txfm_2d_cfg_dct_adst_8,
+ &fwd_txfm_2d_cfg_adst_adst_8, &fwd_txfm_2d_cfg_adst_dct_8},
+ {&fwd_txfm_2d_cfg_dct_dct_16, &fwd_txfm_2d_cfg_dct_adst_16,
+ &fwd_txfm_2d_cfg_adst_adst_16, &fwd_txfm_2d_cfg_adst_dct_16},
+ {&fwd_txfm_2d_cfg_dct_dct_32, &fwd_txfm_2d_cfg_dct_adst_32,
+ &fwd_txfm_2d_cfg_adst_adst_32, &fwd_txfm_2d_cfg_adst_dct_32},
+ {&fwd_txfm_2d_cfg_dct_dct_64, NULL, NULL, NULL}};
-const Fwd_Txfm2d_Func fwd_txfm_func_ls[4] = {
+const Fwd_Txfm2d_Func fwd_txfm_func_ls[5] = {
vp10_fwd_txfm2d_4x4, vp10_fwd_txfm2d_8x8, vp10_fwd_txfm2d_16x16,
- vp10_fwd_txfm2d_32x32};
+ vp10_fwd_txfm2d_32x32, vp10_fwd_txfm2d_64x64};
const int txfm_type_num = 4;
const TYPE_TXFM type_ls_0[4] = {TYPE_DCT, TYPE_DCT, TYPE_ADST, TYPE_ADST};
@@ -54,44 +55,48 @@
for (int txfm_type_idx = 0; txfm_type_idx < txfm_type_num;
++txfm_type_idx) {
- TXFM_2D_CFG fwd_txfm_cfg = fwd_txfm_cfg_ls[txfm_size_idx][txfm_type_idx];
- Fwd_Txfm2d_Func fwd_txfm_func = fwd_txfm_func_ls[txfm_size_idx];
- TYPE_TXFM type0 = type_ls_0[txfm_type_idx];
- TYPE_TXFM type1 = type_ls_1[txfm_type_idx];
- int amplify_bit =
- fwd_txfm_cfg.shift[0] + fwd_txfm_cfg.shift[1] + fwd_txfm_cfg.shift[2];
- double amplify_factor =
- amplify_bit >= 0 ? (1 << amplify_bit) : (1.0 / (1 << -amplify_bit));
+ const TXFM_2D_CFG* fwd_txfm_cfg =
+ fwd_txfm_cfg_ls[txfm_size_idx][txfm_type_idx];
+ if (fwd_txfm_cfg != NULL) {
+ Fwd_Txfm2d_Func fwd_txfm_func = fwd_txfm_func_ls[txfm_size_idx];
+ TYPE_TXFM type0 = type_ls_0[txfm_type_idx];
+ TYPE_TXFM type1 = type_ls_1[txfm_type_idx];
+ int amplify_bit = fwd_txfm_cfg->shift[0] + fwd_txfm_cfg->shift[1] +
+ fwd_txfm_cfg->shift[2];
+ double amplify_factor =
+ amplify_bit >= 0 ? (1 << amplify_bit) : (1.0 / (1 << -amplify_bit));
- ACMRandom rnd(ACMRandom::DeterministicSeed());
- int count = 5000;
- double avg_abs_error = 0;
- for (int ci = 0; ci < count; ci++) {
- for (int ni = 0; ni < sqr_txfm_size; ++ni) {
- input[ni] = rnd.Rand16() % base;
- ref_input[ni] = static_cast<double>(input[ni]);
- output[ni] = 0;
- ref_output[ni] = 0;
+ ACMRandom rnd(ACMRandom::DeterministicSeed());
+ int count = 500;
+ double avg_abs_error = 0;
+ for (int ci = 0; ci < count; ci++) {
+ for (int ni = 0; ni < sqr_txfm_size; ++ni) {
+ input[ni] = rnd.Rand16() % base;
+ ref_input[ni] = static_cast<double>(input[ni]);
+ output[ni] = 0;
+ ref_output[ni] = 0;
+ }
+
+ fwd_txfm_func(input, output, txfm_size, fwd_txfm_cfg, bd);
+ reference_hybrid_2d(ref_input, ref_output, txfm_size, type0, type1);
+
+ for (int ni = 0; ni < sqr_txfm_size; ++ni) {
+ ref_output[ni] = round(ref_output[ni] * amplify_factor);
+ EXPECT_LE(fabs(output[ni] - ref_output[ni]) / amplify_factor, 60);
+ }
+ avg_abs_error += compute_avg_abs_error<int32_t, double>(
+ output, ref_output, sqr_txfm_size);
}
- fwd_txfm_func(input, output, txfm_size, &fwd_txfm_cfg, bd);
- reference_hybrid_2d(ref_input, ref_output, txfm_size, type0, type1);
-
- for (int ni = 0; ni < sqr_txfm_size; ++ni) {
- ref_output[ni] = round(ref_output[ni] * amplify_factor);
- EXPECT_LE(fabs(output[ni] - ref_output[ni]) / amplify_factor, 30);
- }
- avg_abs_error += compute_avg_abs_error<int32_t, double>(
- output, ref_output, sqr_txfm_size);
+ avg_abs_error /= amplify_factor;
+ avg_abs_error /= count;
+ // max_abs_avg_error comes from upper bound of avg_abs_error
+ // printf("type0: %d type1: %d txfm_size: %d accuracy_avg_abs_error:
+ // %f\n",
+ // type0, type1, txfm_size, avg_abs_error);
+ double max_abs_avg_error = 5;
+ EXPECT_LE(avg_abs_error, max_abs_avg_error);
}
-
- avg_abs_error /= amplify_factor;
- avg_abs_error /= count;
- // max_abs_avg_error comes from upper bound of avg_abs_error
- // printf("type0: %d type1: %d txfm_size: %d accuracy_avg_abs_error:
- // %f\n", type0, type1, txfm_size, avg_abs_error);
- double max_abs_avg_error = 1.5;
- EXPECT_LE(avg_abs_error, max_abs_avg_error);
}
delete[] input;
diff --git a/test/vp10_inv_txfm1d_test.cc b/test/vp10_inv_txfm1d_test.cc
index 3b716c8..2e9e58d 100644
--- a/test/vp10_inv_txfm1d_test.cc
+++ b/test/vp10_inv_txfm1d_test.cc
@@ -16,16 +16,20 @@
namespace {
static int txfm_type_num = 2;
-static int txfm_size_num = 4;
-static int txfm_size_ls[4] = {4, 8, 16, 32};
+static int txfm_size_num = 5;
+static int txfm_size_ls[5] = {4, 8, 16, 32, 64};
-static TxfmFunc fwd_txfm_func_ls[2][4] = {
- {vp10_fdct4_new, vp10_fdct8_new, vp10_fdct16_new, vp10_fdct32_new},
- {vp10_fadst4_new, vp10_fadst8_new, vp10_fadst16_new, vp10_fadst32_new}};
+static TxfmFunc fwd_txfm_func_ls[2][5] = {
+ {vp10_fdct4_new, vp10_fdct8_new, vp10_fdct16_new, vp10_fdct32_new,
+ vp10_fdct64_new},
+ {vp10_fadst4_new, vp10_fadst8_new, vp10_fadst16_new, vp10_fadst32_new,
+ NULL}};
-static TxfmFunc inv_txfm_func_ls[2][4] = {
- {vp10_idct4_new, vp10_idct8_new, vp10_idct16_new, vp10_idct32_new},
- {vp10_iadst4_new, vp10_iadst8_new, vp10_iadst16_new, vp10_iadst32_new}};
+static TxfmFunc inv_txfm_func_ls[2][5] = {
+ {vp10_idct4_new, vp10_idct8_new, vp10_idct16_new, vp10_idct32_new,
+ vp10_idct64_new},
+ {vp10_iadst4_new, vp10_iadst8_new, vp10_iadst16_new, vp10_iadst32_new,
+ NULL}};
// the maximum stage number of fwd/inv 1d dct/adst txfm is 12
static int8_t cos_bit[12] = {14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14};
@@ -44,19 +48,22 @@
TxfmFunc inv_txfm_func = inv_txfm_func_ls[ti][si];
int max_error = 2;
- const int count_test_block = 5000;
- for (int ci = 0; ci < count_test_block; ++ci) {
- for (int ni = 0; ni < txfm_size; ++ni) {
- input[ni] = rnd.Rand16() % base - rnd.Rand16() % base;
- }
+ if (fwd_txfm_func != NULL) {
+ const int count_test_block = 5000;
+ for (int ci = 0; ci < count_test_block; ++ci) {
+ for (int ni = 0; ni < txfm_size; ++ni) {
+ input[ni] = rnd.Rand16() % base - rnd.Rand16() % base;
+ }
- fwd_txfm_func(input, output, cos_bit, range_bit);
- inv_txfm_func(output, round_trip_output, cos_bit, range_bit);
+ fwd_txfm_func(input, output, cos_bit, range_bit);
+ inv_txfm_func(output, round_trip_output, cos_bit, range_bit);
- for (int ni = 0; ni < txfm_size; ++ni) {
- EXPECT_LE(abs(input[ni] - round_shift(round_trip_output[ni],
- get_max_bit(txfm_size) - 1)),
- max_error);
+ for (int ni = 0; ni < txfm_size; ++ni) {
+ int node_err =
+ abs(input[ni] - round_shift(round_trip_output[ni],
+ get_max_bit(txfm_size) - 1));
+ EXPECT_LE(node_err, max_error);
+ }
}
}
}
diff --git a/test/vp10_inv_txfm2d_test.cc b/test/vp10_inv_txfm2d_test.cc
index 603821e..b0e6af5 100644
--- a/test/vp10_inv_txfm2d_test.cc
+++ b/test/vp10_inv_txfm2d_test.cc
@@ -25,34 +25,36 @@
namespace {
-const int txfm_size_num = 4;
-const int txfm_size_ls[4] = {4, 8, 16, 32};
-const TXFM_2D_CFG fwd_txfm_cfg_ls[4][4] = {
- {fwd_txfm_2d_cfg_dct_dct_4, fwd_txfm_2d_cfg_dct_adst_4,
- fwd_txfm_2d_cfg_adst_adst_4, fwd_txfm_2d_cfg_adst_dct_4},
- {fwd_txfm_2d_cfg_dct_dct_8, fwd_txfm_2d_cfg_dct_adst_8,
- fwd_txfm_2d_cfg_adst_adst_8, fwd_txfm_2d_cfg_adst_dct_8},
- {fwd_txfm_2d_cfg_dct_dct_16, fwd_txfm_2d_cfg_dct_adst_16,
- fwd_txfm_2d_cfg_adst_adst_16, fwd_txfm_2d_cfg_adst_dct_16},
- {fwd_txfm_2d_cfg_dct_dct_32, fwd_txfm_2d_cfg_dct_adst_32,
- fwd_txfm_2d_cfg_adst_adst_32, fwd_txfm_2d_cfg_adst_dct_32}};
+const int txfm_size_num = 5;
+const int txfm_size_ls[5] = {4, 8, 16, 32, 64};
+const TXFM_2D_CFG* fwd_txfm_cfg_ls[5][4] = {
+ {&fwd_txfm_2d_cfg_dct_dct_4, &fwd_txfm_2d_cfg_dct_adst_4,
+ &fwd_txfm_2d_cfg_adst_adst_4, &fwd_txfm_2d_cfg_adst_dct_4},
+ {&fwd_txfm_2d_cfg_dct_dct_8, &fwd_txfm_2d_cfg_dct_adst_8,
+ &fwd_txfm_2d_cfg_adst_adst_8, &fwd_txfm_2d_cfg_adst_dct_8},
+ {&fwd_txfm_2d_cfg_dct_dct_16, &fwd_txfm_2d_cfg_dct_adst_16,
+ &fwd_txfm_2d_cfg_adst_adst_16, &fwd_txfm_2d_cfg_adst_dct_16},
+ {&fwd_txfm_2d_cfg_dct_dct_32, &fwd_txfm_2d_cfg_dct_adst_32,
+ &fwd_txfm_2d_cfg_adst_adst_32, &fwd_txfm_2d_cfg_adst_dct_32},
+ {&fwd_txfm_2d_cfg_dct_dct_64, NULL, NULL, NULL}};
-const TXFM_2D_CFG inv_txfm_cfg_ls[4][4] = {
- {inv_txfm_2d_cfg_dct_dct_4, inv_txfm_2d_cfg_dct_adst_4,
- inv_txfm_2d_cfg_adst_adst_4, inv_txfm_2d_cfg_adst_dct_4},
- {inv_txfm_2d_cfg_dct_dct_8, inv_txfm_2d_cfg_dct_adst_8,
- inv_txfm_2d_cfg_adst_adst_8, inv_txfm_2d_cfg_adst_dct_8},
- {inv_txfm_2d_cfg_dct_dct_16, inv_txfm_2d_cfg_dct_adst_16,
- inv_txfm_2d_cfg_adst_adst_16, inv_txfm_2d_cfg_adst_dct_16},
- {inv_txfm_2d_cfg_dct_dct_32, inv_txfm_2d_cfg_dct_adst_32,
- inv_txfm_2d_cfg_adst_adst_32, inv_txfm_2d_cfg_adst_dct_32}};
+const TXFM_2D_CFG* inv_txfm_cfg_ls[5][4] = {
+ {&inv_txfm_2d_cfg_dct_dct_4, &inv_txfm_2d_cfg_dct_adst_4,
+ &inv_txfm_2d_cfg_adst_adst_4, &inv_txfm_2d_cfg_adst_dct_4},
+ {&inv_txfm_2d_cfg_dct_dct_8, &inv_txfm_2d_cfg_dct_adst_8,
+ &inv_txfm_2d_cfg_adst_adst_8, &inv_txfm_2d_cfg_adst_dct_8},
+ {&inv_txfm_2d_cfg_dct_dct_16, &inv_txfm_2d_cfg_dct_adst_16,
+ &inv_txfm_2d_cfg_adst_adst_16, &inv_txfm_2d_cfg_adst_dct_16},
+ {&inv_txfm_2d_cfg_dct_dct_32, &inv_txfm_2d_cfg_dct_adst_32,
+ &inv_txfm_2d_cfg_adst_adst_32, &inv_txfm_2d_cfg_adst_dct_32},
+ {&inv_txfm_2d_cfg_dct_dct_64, NULL, NULL, NULL}};
-const Fwd_Txfm2d_Func fwd_txfm_func_ls[4] = {
+const Fwd_Txfm2d_Func fwd_txfm_func_ls[5] = {
vp10_fwd_txfm2d_4x4, vp10_fwd_txfm2d_8x8, vp10_fwd_txfm2d_16x16,
- vp10_fwd_txfm2d_32x32};
-const Inv_Txfm2d_Func inv_txfm_func_ls[4] = {
+ vp10_fwd_txfm2d_32x32, vp10_fwd_txfm2d_64x64};
+const Inv_Txfm2d_Func inv_txfm_func_ls[5] = {
vp10_inv_txfm2d_add_4x4, vp10_inv_txfm2d_add_8x8, vp10_inv_txfm2d_add_16x16,
- vp10_inv_txfm2d_add_32x32};
+ vp10_inv_txfm2d_add_32x32, vp10_inv_txfm2d_add_64x64};
const int txfm_type_num = 4;
@@ -66,44 +68,46 @@
for (int txfm_type_idx = 0; txfm_type_idx < txfm_type_num;
++txfm_type_idx) {
- const TXFM_2D_CFG fwd_txfm_cfg =
+ const TXFM_2D_CFG* fwd_txfm_cfg =
fwd_txfm_cfg_ls[txfm_size_idx][txfm_type_idx];
- const TXFM_2D_CFG inv_txfm_cfg =
+ const TXFM_2D_CFG* inv_txfm_cfg =
inv_txfm_cfg_ls[txfm_size_idx][txfm_type_idx];
- const Fwd_Txfm2d_Func fwd_txfm_func = fwd_txfm_func_ls[txfm_size_idx];
- const Inv_Txfm2d_Func inv_txfm_func = inv_txfm_func_ls[txfm_size_idx];
- const int count = 5000;
- double avg_abs_error = 0;
- ACMRandom rnd(ACMRandom::DeterministicSeed());
- for (int ci = 0; ci < count; ci++) {
- for (int ni = 0; ni < sqr_txfm_size; ++ni) {
- if (ci == 0) {
- int extreme_input = base - 1;
- input[ni] = extreme_input; // extreme case
- ref_input[ni] = 0;
- } else {
- input[ni] = rnd.Rand16() % base;
- ref_input[ni] = 0;
+ if (fwd_txfm_cfg != NULL) {
+ const Fwd_Txfm2d_Func fwd_txfm_func = fwd_txfm_func_ls[txfm_size_idx];
+ const Inv_Txfm2d_Func inv_txfm_func = inv_txfm_func_ls[txfm_size_idx];
+ const int count = 1000;
+ double avg_abs_error = 0;
+ ACMRandom rnd(ACMRandom::DeterministicSeed());
+ for (int ci = 0; ci < count; ci++) {
+ for (int ni = 0; ni < sqr_txfm_size; ++ni) {
+ if (ci == 0) {
+ int extreme_input = base - 1;
+ input[ni] = extreme_input; // extreme case
+ ref_input[ni] = 0;
+ } else {
+ input[ni] = rnd.Rand16() % base;
+ ref_input[ni] = 0;
+ }
}
+
+ fwd_txfm_func(input, output, txfm_size, fwd_txfm_cfg, bd);
+ inv_txfm_func(output, ref_input, txfm_size, inv_txfm_cfg, bd);
+
+ for (int ni = 0; ni < sqr_txfm_size; ++ni) {
+ EXPECT_LE(abs(input[ni] - ref_input[ni]), 2);
+ }
+ avg_abs_error += compute_avg_abs_error<int16_t, uint16_t>(
+ input, ref_input, sqr_txfm_size);
}
- fwd_txfm_func(input, output, txfm_size, &fwd_txfm_cfg, bd);
- inv_txfm_func(output, ref_input, txfm_size, &inv_txfm_cfg, bd);
-
- for (int ni = 0; ni < sqr_txfm_size; ++ni) {
- EXPECT_LE(abs(input[ni] - ref_input[ni]), 2);
- }
- avg_abs_error += compute_avg_abs_error<int16_t, uint16_t>(
- input, ref_input, sqr_txfm_size);
+ avg_abs_error /= count;
+ // max_abs_avg_error comes from upper bound of
+ // printf("txfm_size: %d accuracy_avg_abs_error: %f\n",
+ // txfm_size, avg_abs_error);
+ // TODO(angiebird): this upper bound is from adst_adst_8
+ const double max_abs_avg_error = 0.024;
+ EXPECT_LE(avg_abs_error, max_abs_avg_error);
}
-
- avg_abs_error /= count;
- // max_abs_avg_error comes from upper bound of
- // printf("txfm_size: %d accuracy_avg_abs_error: %f\n", txfm_size,
- // avg_abs_error);
- // TODO(angiebird): this upper bound is from adst_adst_8
- const double max_abs_avg_error = 0.024;
- EXPECT_LE(avg_abs_error, max_abs_avg_error);
}
delete[] input;
diff --git a/vp10/common/vp10_fwd_txfm1d.c b/vp10/common/vp10_fwd_txfm1d.c
index f3da5c9..ef24362 100644
--- a/vp10/common/vp10_fwd_txfm1d.c
+++ b/vp10/common/vp10_fwd_txfm1d.c
@@ -15,8 +15,8 @@
{ \
int i, j; \
for (i = 0; i < size; ++i) { \
- int buf_bit = get_max_bit(abs(buf[i])) + 1; \
- if (buf_bit > bit) { \
+ int buf_bit = get_max_bit(abs(buf[i])) + 1; \
+ if (buf_bit > bit) { \
printf("======== %s overflow ========\n", __func__); \
printf("stage: %d node: %d\n", stage, i); \
printf("bit: %d buf_bit: %d buf[i]: %d\n", bit, buf_bit, buf[i]); \
@@ -32,11 +32,11 @@
#else
#define range_check(stage, input, buf, size, bit) \
{ \
- (void) stage; \
- (void) input; \
- (void) buf; \
- (void) size; \
- (void) bit; \
+ (void)stage; \
+ (void)input; \
+ (void)buf; \
+ (void)size; \
+ (void)bit; \
}
#endif
@@ -1092,7 +1092,6 @@
bf1[14] = bf0[9];
bf1[15] = -bf0[1];
range_check(stage, input, bf1, size, stage_range[stage]);
-
}
void vp10_fadst32_new(const int32_t *input, int32_t *output,
@@ -1529,3 +1528,796 @@
bf1[31] = -bf0[1];
range_check(stage, input, bf1, size, stage_range[stage]);
}
+
+void vp10_fdct64_new(const int32_t *input, int32_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range) {
+ const int32_t size = 64;
+ const int32_t *cospi;
+
+ int32_t stage = 0;
+ int32_t *bf0, *bf1;
+ int32_t step[64];
+
+ // stage 0;
+ range_check(stage, input, input, size, stage_range[stage]);
+
+ // stage 1;
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf1 = output;
+ bf1[0] = input[0] + input[63];
+ bf1[1] = input[1] + input[62];
+ bf1[2] = input[2] + input[61];
+ bf1[3] = input[3] + input[60];
+ bf1[4] = input[4] + input[59];
+ bf1[5] = input[5] + input[58];
+ bf1[6] = input[6] + input[57];
+ bf1[7] = input[7] + input[56];
+ bf1[8] = input[8] + input[55];
+ bf1[9] = input[9] + input[54];
+ bf1[10] = input[10] + input[53];
+ bf1[11] = input[11] + input[52];
+ bf1[12] = input[12] + input[51];
+ bf1[13] = input[13] + input[50];
+ bf1[14] = input[14] + input[49];
+ bf1[15] = input[15] + input[48];
+ bf1[16] = input[16] + input[47];
+ bf1[17] = input[17] + input[46];
+ bf1[18] = input[18] + input[45];
+ bf1[19] = input[19] + input[44];
+ bf1[20] = input[20] + input[43];
+ bf1[21] = input[21] + input[42];
+ bf1[22] = input[22] + input[41];
+ bf1[23] = input[23] + input[40];
+ bf1[24] = input[24] + input[39];
+ bf1[25] = input[25] + input[38];
+ bf1[26] = input[26] + input[37];
+ bf1[27] = input[27] + input[36];
+ bf1[28] = input[28] + input[35];
+ bf1[29] = input[29] + input[34];
+ bf1[30] = input[30] + input[33];
+ bf1[31] = input[31] + input[32];
+ bf1[32] = -input[32] + input[31];
+ bf1[33] = -input[33] + input[30];
+ bf1[34] = -input[34] + input[29];
+ bf1[35] = -input[35] + input[28];
+ bf1[36] = -input[36] + input[27];
+ bf1[37] = -input[37] + input[26];
+ bf1[38] = -input[38] + input[25];
+ bf1[39] = -input[39] + input[24];
+ bf1[40] = -input[40] + input[23];
+ bf1[41] = -input[41] + input[22];
+ bf1[42] = -input[42] + input[21];
+ bf1[43] = -input[43] + input[20];
+ bf1[44] = -input[44] + input[19];
+ bf1[45] = -input[45] + input[18];
+ bf1[46] = -input[46] + input[17];
+ bf1[47] = -input[47] + input[16];
+ bf1[48] = -input[48] + input[15];
+ bf1[49] = -input[49] + input[14];
+ bf1[50] = -input[50] + input[13];
+ bf1[51] = -input[51] + input[12];
+ bf1[52] = -input[52] + input[11];
+ bf1[53] = -input[53] + input[10];
+ bf1[54] = -input[54] + input[9];
+ bf1[55] = -input[55] + input[8];
+ bf1[56] = -input[56] + input[7];
+ bf1[57] = -input[57] + input[6];
+ bf1[58] = -input[58] + input[5];
+ bf1[59] = -input[59] + input[4];
+ bf1[60] = -input[60] + input[3];
+ bf1[61] = -input[61] + input[2];
+ bf1[62] = -input[62] + input[1];
+ bf1[63] = -input[63] + input[0];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 2
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0] + bf0[31];
+ bf1[1] = bf0[1] + bf0[30];
+ bf1[2] = bf0[2] + bf0[29];
+ bf1[3] = bf0[3] + bf0[28];
+ bf1[4] = bf0[4] + bf0[27];
+ bf1[5] = bf0[5] + bf0[26];
+ bf1[6] = bf0[6] + bf0[25];
+ bf1[7] = bf0[7] + bf0[24];
+ bf1[8] = bf0[8] + bf0[23];
+ bf1[9] = bf0[9] + bf0[22];
+ bf1[10] = bf0[10] + bf0[21];
+ bf1[11] = bf0[11] + bf0[20];
+ bf1[12] = bf0[12] + bf0[19];
+ bf1[13] = bf0[13] + bf0[18];
+ bf1[14] = bf0[14] + bf0[17];
+ bf1[15] = bf0[15] + bf0[16];
+ bf1[16] = -bf0[16] + bf0[15];
+ bf1[17] = -bf0[17] + bf0[14];
+ bf1[18] = -bf0[18] + bf0[13];
+ bf1[19] = -bf0[19] + bf0[12];
+ bf1[20] = -bf0[20] + bf0[11];
+ bf1[21] = -bf0[21] + bf0[10];
+ bf1[22] = -bf0[22] + bf0[9];
+ bf1[23] = -bf0[23] + bf0[8];
+ bf1[24] = -bf0[24] + bf0[7];
+ bf1[25] = -bf0[25] + bf0[6];
+ bf1[26] = -bf0[26] + bf0[5];
+ bf1[27] = -bf0[27] + bf0[4];
+ bf1[28] = -bf0[28] + bf0[3];
+ bf1[29] = -bf0[29] + bf0[2];
+ bf1[30] = -bf0[30] + bf0[1];
+ bf1[31] = -bf0[31] + bf0[0];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = bf0[34];
+ bf1[35] = bf0[35];
+ bf1[36] = bf0[36];
+ bf1[37] = bf0[37];
+ bf1[38] = bf0[38];
+ bf1[39] = bf0[39];
+ bf1[40] = half_btf(-cospi[32], bf0[40], cospi[32], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(-cospi[32], bf0[41], cospi[32], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[32], bf0[42], cospi[32], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[32], bf0[43], cospi[32], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(-cospi[32], bf0[44], cospi[32], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(-cospi[32], bf0[45], cospi[32], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(-cospi[32], bf0[46], cospi[32], bf0[49], cos_bit[stage]);
+ bf1[47] = half_btf(-cospi[32], bf0[47], cospi[32], bf0[48], cos_bit[stage]);
+ bf1[48] = half_btf(cospi[32], bf0[48], cospi[32], bf0[47], cos_bit[stage]);
+ bf1[49] = half_btf(cospi[32], bf0[49], cospi[32], bf0[46], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[32], bf0[50], cospi[32], bf0[45], cos_bit[stage]);
+ bf1[51] = half_btf(cospi[32], bf0[51], cospi[32], bf0[44], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[32], bf0[52], cospi[32], bf0[43], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[32], bf0[53], cospi[32], bf0[42], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[32], bf0[54], cospi[32], bf0[41], cos_bit[stage]);
+ bf1[55] = half_btf(cospi[32], bf0[55], cospi[32], bf0[40], cos_bit[stage]);
+ bf1[56] = bf0[56];
+ bf1[57] = bf0[57];
+ bf1[58] = bf0[58];
+ bf1[59] = bf0[59];
+ bf1[60] = bf0[60];
+ bf1[61] = bf0[61];
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 3
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0] + bf0[15];
+ bf1[1] = bf0[1] + bf0[14];
+ bf1[2] = bf0[2] + bf0[13];
+ bf1[3] = bf0[3] + bf0[12];
+ bf1[4] = bf0[4] + bf0[11];
+ bf1[5] = bf0[5] + bf0[10];
+ bf1[6] = bf0[6] + bf0[9];
+ bf1[7] = bf0[7] + bf0[8];
+ bf1[8] = -bf0[8] + bf0[7];
+ bf1[9] = -bf0[9] + bf0[6];
+ bf1[10] = -bf0[10] + bf0[5];
+ bf1[11] = -bf0[11] + bf0[4];
+ bf1[12] = -bf0[12] + bf0[3];
+ bf1[13] = -bf0[13] + bf0[2];
+ bf1[14] = -bf0[14] + bf0[1];
+ bf1[15] = -bf0[15] + bf0[0];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = bf0[18];
+ bf1[19] = bf0[19];
+ bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit[stage]);
+ bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit[stage]);
+ bf1[24] = half_btf(cospi[32], bf0[24], cospi[32], bf0[23], cos_bit[stage]);
+ bf1[25] = half_btf(cospi[32], bf0[25], cospi[32], bf0[22], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[32], bf0[26], cospi[32], bf0[21], cos_bit[stage]);
+ bf1[27] = half_btf(cospi[32], bf0[27], cospi[32], bf0[20], cos_bit[stage]);
+ bf1[28] = bf0[28];
+ bf1[29] = bf0[29];
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[47];
+ bf1[33] = bf0[33] + bf0[46];
+ bf1[34] = bf0[34] + bf0[45];
+ bf1[35] = bf0[35] + bf0[44];
+ bf1[36] = bf0[36] + bf0[43];
+ bf1[37] = bf0[37] + bf0[42];
+ bf1[38] = bf0[38] + bf0[41];
+ bf1[39] = bf0[39] + bf0[40];
+ bf1[40] = -bf0[40] + bf0[39];
+ bf1[41] = -bf0[41] + bf0[38];
+ bf1[42] = -bf0[42] + bf0[37];
+ bf1[43] = -bf0[43] + bf0[36];
+ bf1[44] = -bf0[44] + bf0[35];
+ bf1[45] = -bf0[45] + bf0[34];
+ bf1[46] = -bf0[46] + bf0[33];
+ bf1[47] = -bf0[47] + bf0[32];
+ bf1[48] = -bf0[48] + bf0[63];
+ bf1[49] = -bf0[49] + bf0[62];
+ bf1[50] = -bf0[50] + bf0[61];
+ bf1[51] = -bf0[51] + bf0[60];
+ bf1[52] = -bf0[52] + bf0[59];
+ bf1[53] = -bf0[53] + bf0[58];
+ bf1[54] = -bf0[54] + bf0[57];
+ bf1[55] = -bf0[55] + bf0[56];
+ bf1[56] = bf0[56] + bf0[55];
+ bf1[57] = bf0[57] + bf0[54];
+ bf1[58] = bf0[58] + bf0[53];
+ bf1[59] = bf0[59] + bf0[52];
+ bf1[60] = bf0[60] + bf0[51];
+ bf1[61] = bf0[61] + bf0[50];
+ bf1[62] = bf0[62] + bf0[49];
+ bf1[63] = bf0[63] + bf0[48];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 4
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0] + bf0[7];
+ bf1[1] = bf0[1] + bf0[6];
+ bf1[2] = bf0[2] + bf0[5];
+ bf1[3] = bf0[3] + bf0[4];
+ bf1[4] = -bf0[4] + bf0[3];
+ bf1[5] = -bf0[5] + bf0[2];
+ bf1[6] = -bf0[6] + bf0[1];
+ bf1[7] = -bf0[7] + bf0[0];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
+ bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
+ bf1[12] = half_btf(cospi[32], bf0[12], cospi[32], bf0[11], cos_bit[stage]);
+ bf1[13] = half_btf(cospi[32], bf0[13], cospi[32], bf0[10], cos_bit[stage]);
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16] + bf0[23];
+ bf1[17] = bf0[17] + bf0[22];
+ bf1[18] = bf0[18] + bf0[21];
+ bf1[19] = bf0[19] + bf0[20];
+ bf1[20] = -bf0[20] + bf0[19];
+ bf1[21] = -bf0[21] + bf0[18];
+ bf1[22] = -bf0[22] + bf0[17];
+ bf1[23] = -bf0[23] + bf0[16];
+ bf1[24] = -bf0[24] + bf0[31];
+ bf1[25] = -bf0[25] + bf0[30];
+ bf1[26] = -bf0[26] + bf0[29];
+ bf1[27] = -bf0[27] + bf0[28];
+ bf1[28] = bf0[28] + bf0[27];
+ bf1[29] = bf0[29] + bf0[26];
+ bf1[30] = bf0[30] + bf0[25];
+ bf1[31] = bf0[31] + bf0[24];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = bf0[34];
+ bf1[35] = bf0[35];
+ bf1[36] = half_btf(-cospi[16], bf0[36], cospi[48], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(-cospi[16], bf0[37], cospi[48], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(-cospi[16], bf0[38], cospi[48], bf0[57], cos_bit[stage]);
+ bf1[39] = half_btf(-cospi[16], bf0[39], cospi[48], bf0[56], cos_bit[stage]);
+ bf1[40] = half_btf(-cospi[48], bf0[40], -cospi[16], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(-cospi[48], bf0[41], -cospi[16], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[48], bf0[42], -cospi[16], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[48], bf0[43], -cospi[16], bf0[52], cos_bit[stage]);
+ bf1[44] = bf0[44];
+ bf1[45] = bf0[45];
+ bf1[46] = bf0[46];
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = bf0[49];
+ bf1[50] = bf0[50];
+ bf1[51] = bf0[51];
+ bf1[52] = half_btf(cospi[48], bf0[52], -cospi[16], bf0[43], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[48], bf0[53], -cospi[16], bf0[42], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[48], bf0[54], -cospi[16], bf0[41], cos_bit[stage]);
+ bf1[55] = half_btf(cospi[48], bf0[55], -cospi[16], bf0[40], cos_bit[stage]);
+ bf1[56] = half_btf(cospi[16], bf0[56], cospi[48], bf0[39], cos_bit[stage]);
+ bf1[57] = half_btf(cospi[16], bf0[57], cospi[48], bf0[38], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[16], bf0[58], cospi[48], bf0[37], cos_bit[stage]);
+ bf1[59] = half_btf(cospi[16], bf0[59], cospi[48], bf0[36], cos_bit[stage]);
+ bf1[60] = bf0[60];
+ bf1[61] = bf0[61];
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 5
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0] + bf0[3];
+ bf1[1] = bf0[1] + bf0[2];
+ bf1[2] = -bf0[2] + bf0[1];
+ bf1[3] = -bf0[3] + bf0[0];
+ bf1[4] = bf0[4];
+ bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
+ bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[5], cos_bit[stage]);
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8] + bf0[11];
+ bf1[9] = bf0[9] + bf0[10];
+ bf1[10] = -bf0[10] + bf0[9];
+ bf1[11] = -bf0[11] + bf0[8];
+ bf1[12] = -bf0[12] + bf0[15];
+ bf1[13] = -bf0[13] + bf0[14];
+ bf1[14] = bf0[14] + bf0[13];
+ bf1[15] = bf0[15] + bf0[12];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit[stage]);
+ bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit[stage]);
+ bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit[stage]);
+ bf1[22] = bf0[22];
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = bf0[25];
+ bf1[26] = half_btf(cospi[48], bf0[26], -cospi[16], bf0[21], cos_bit[stage]);
+ bf1[27] = half_btf(cospi[48], bf0[27], -cospi[16], bf0[20], cos_bit[stage]);
+ bf1[28] = half_btf(cospi[16], bf0[28], cospi[48], bf0[19], cos_bit[stage]);
+ bf1[29] = half_btf(cospi[16], bf0[29], cospi[48], bf0[18], cos_bit[stage]);
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[39];
+ bf1[33] = bf0[33] + bf0[38];
+ bf1[34] = bf0[34] + bf0[37];
+ bf1[35] = bf0[35] + bf0[36];
+ bf1[36] = -bf0[36] + bf0[35];
+ bf1[37] = -bf0[37] + bf0[34];
+ bf1[38] = -bf0[38] + bf0[33];
+ bf1[39] = -bf0[39] + bf0[32];
+ bf1[40] = -bf0[40] + bf0[47];
+ bf1[41] = -bf0[41] + bf0[46];
+ bf1[42] = -bf0[42] + bf0[45];
+ bf1[43] = -bf0[43] + bf0[44];
+ bf1[44] = bf0[44] + bf0[43];
+ bf1[45] = bf0[45] + bf0[42];
+ bf1[46] = bf0[46] + bf0[41];
+ bf1[47] = bf0[47] + bf0[40];
+ bf1[48] = bf0[48] + bf0[55];
+ bf1[49] = bf0[49] + bf0[54];
+ bf1[50] = bf0[50] + bf0[53];
+ bf1[51] = bf0[51] + bf0[52];
+ bf1[52] = -bf0[52] + bf0[51];
+ bf1[53] = -bf0[53] + bf0[50];
+ bf1[54] = -bf0[54] + bf0[49];
+ bf1[55] = -bf0[55] + bf0[48];
+ bf1[56] = -bf0[56] + bf0[63];
+ bf1[57] = -bf0[57] + bf0[62];
+ bf1[58] = -bf0[58] + bf0[61];
+ bf1[59] = -bf0[59] + bf0[60];
+ bf1[60] = bf0[60] + bf0[59];
+ bf1[61] = bf0[61] + bf0[58];
+ bf1[62] = bf0[62] + bf0[57];
+ bf1[63] = bf0[63] + bf0[56];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 6
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
+ bf1[1] = half_btf(-cospi[32], bf0[1], cospi[32], bf0[0], cos_bit[stage]);
+ bf1[2] = half_btf(cospi[48], bf0[2], cospi[16], bf0[3], cos_bit[stage]);
+ bf1[3] = half_btf(cospi[48], bf0[3], -cospi[16], bf0[2], cos_bit[stage]);
+ bf1[4] = bf0[4] + bf0[5];
+ bf1[5] = -bf0[5] + bf0[4];
+ bf1[6] = -bf0[6] + bf0[7];
+ bf1[7] = bf0[7] + bf0[6];
+ bf1[8] = bf0[8];
+ bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit[stage]);
+ bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit[stage]);
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = half_btf(cospi[48], bf0[13], -cospi[16], bf0[10], cos_bit[stage]);
+ bf1[14] = half_btf(cospi[16], bf0[14], cospi[48], bf0[9], cos_bit[stage]);
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16] + bf0[19];
+ bf1[17] = bf0[17] + bf0[18];
+ bf1[18] = -bf0[18] + bf0[17];
+ bf1[19] = -bf0[19] + bf0[16];
+ bf1[20] = -bf0[20] + bf0[23];
+ bf1[21] = -bf0[21] + bf0[22];
+ bf1[22] = bf0[22] + bf0[21];
+ bf1[23] = bf0[23] + bf0[20];
+ bf1[24] = bf0[24] + bf0[27];
+ bf1[25] = bf0[25] + bf0[26];
+ bf1[26] = -bf0[26] + bf0[25];
+ bf1[27] = -bf0[27] + bf0[24];
+ bf1[28] = -bf0[28] + bf0[31];
+ bf1[29] = -bf0[29] + bf0[30];
+ bf1[30] = bf0[30] + bf0[29];
+ bf1[31] = bf0[31] + bf0[28];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = half_btf(-cospi[8], bf0[34], cospi[56], bf0[61], cos_bit[stage]);
+ bf1[35] = half_btf(-cospi[8], bf0[35], cospi[56], bf0[60], cos_bit[stage]);
+ bf1[36] = half_btf(-cospi[56], bf0[36], -cospi[8], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(-cospi[56], bf0[37], -cospi[8], bf0[58], cos_bit[stage]);
+ bf1[38] = bf0[38];
+ bf1[39] = bf0[39];
+ bf1[40] = bf0[40];
+ bf1[41] = bf0[41];
+ bf1[42] = half_btf(-cospi[40], bf0[42], cospi[24], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[40], bf0[43], cospi[24], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(-cospi[24], bf0[44], -cospi[40], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(-cospi[24], bf0[45], -cospi[40], bf0[50], cos_bit[stage]);
+ bf1[46] = bf0[46];
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = bf0[49];
+ bf1[50] = half_btf(cospi[24], bf0[50], -cospi[40], bf0[45], cos_bit[stage]);
+ bf1[51] = half_btf(cospi[24], bf0[51], -cospi[40], bf0[44], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[40], bf0[52], cospi[24], bf0[43], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[40], bf0[53], cospi[24], bf0[42], cos_bit[stage]);
+ bf1[54] = bf0[54];
+ bf1[55] = bf0[55];
+ bf1[56] = bf0[56];
+ bf1[57] = bf0[57];
+ bf1[58] = half_btf(cospi[56], bf0[58], -cospi[8], bf0[37], cos_bit[stage]);
+ bf1[59] = half_btf(cospi[56], bf0[59], -cospi[8], bf0[36], cos_bit[stage]);
+ bf1[60] = half_btf(cospi[8], bf0[60], cospi[56], bf0[35], cos_bit[stage]);
+ bf1[61] = half_btf(cospi[8], bf0[61], cospi[56], bf0[34], cos_bit[stage]);
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 7
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = half_btf(cospi[56], bf0[4], cospi[8], bf0[7], cos_bit[stage]);
+ bf1[5] = half_btf(cospi[24], bf0[5], cospi[40], bf0[6], cos_bit[stage]);
+ bf1[6] = half_btf(cospi[24], bf0[6], -cospi[40], bf0[5], cos_bit[stage]);
+ bf1[7] = half_btf(cospi[56], bf0[7], -cospi[8], bf0[4], cos_bit[stage]);
+ bf1[8] = bf0[8] + bf0[9];
+ bf1[9] = -bf0[9] + bf0[8];
+ bf1[10] = -bf0[10] + bf0[11];
+ bf1[11] = bf0[11] + bf0[10];
+ bf1[12] = bf0[12] + bf0[13];
+ bf1[13] = -bf0[13] + bf0[12];
+ bf1[14] = -bf0[14] + bf0[15];
+ bf1[15] = bf0[15] + bf0[14];
+ bf1[16] = bf0[16];
+ bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit[stage]);
+ bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit[stage]);
+ bf1[19] = bf0[19];
+ bf1[20] = bf0[20];
+ bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit[stage]);
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = half_btf(cospi[24], bf0[25], -cospi[40], bf0[22], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[40], bf0[26], cospi[24], bf0[21], cos_bit[stage]);
+ bf1[27] = bf0[27];
+ bf1[28] = bf0[28];
+ bf1[29] = half_btf(cospi[56], bf0[29], -cospi[8], bf0[18], cos_bit[stage]);
+ bf1[30] = half_btf(cospi[8], bf0[30], cospi[56], bf0[17], cos_bit[stage]);
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[35];
+ bf1[33] = bf0[33] + bf0[34];
+ bf1[34] = -bf0[34] + bf0[33];
+ bf1[35] = -bf0[35] + bf0[32];
+ bf1[36] = -bf0[36] + bf0[39];
+ bf1[37] = -bf0[37] + bf0[38];
+ bf1[38] = bf0[38] + bf0[37];
+ bf1[39] = bf0[39] + bf0[36];
+ bf1[40] = bf0[40] + bf0[43];
+ bf1[41] = bf0[41] + bf0[42];
+ bf1[42] = -bf0[42] + bf0[41];
+ bf1[43] = -bf0[43] + bf0[40];
+ bf1[44] = -bf0[44] + bf0[47];
+ bf1[45] = -bf0[45] + bf0[46];
+ bf1[46] = bf0[46] + bf0[45];
+ bf1[47] = bf0[47] + bf0[44];
+ bf1[48] = bf0[48] + bf0[51];
+ bf1[49] = bf0[49] + bf0[50];
+ bf1[50] = -bf0[50] + bf0[49];
+ bf1[51] = -bf0[51] + bf0[48];
+ bf1[52] = -bf0[52] + bf0[55];
+ bf1[53] = -bf0[53] + bf0[54];
+ bf1[54] = bf0[54] + bf0[53];
+ bf1[55] = bf0[55] + bf0[52];
+ bf1[56] = bf0[56] + bf0[59];
+ bf1[57] = bf0[57] + bf0[58];
+ bf1[58] = -bf0[58] + bf0[57];
+ bf1[59] = -bf0[59] + bf0[56];
+ bf1[60] = -bf0[60] + bf0[63];
+ bf1[61] = -bf0[61] + bf0[62];
+ bf1[62] = bf0[62] + bf0[61];
+ bf1[63] = bf0[63] + bf0[60];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 8
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = half_btf(cospi[60], bf0[8], cospi[4], bf0[15], cos_bit[stage]);
+ bf1[9] = half_btf(cospi[28], bf0[9], cospi[36], bf0[14], cos_bit[stage]);
+ bf1[10] = half_btf(cospi[44], bf0[10], cospi[20], bf0[13], cos_bit[stage]);
+ bf1[11] = half_btf(cospi[12], bf0[11], cospi[52], bf0[12], cos_bit[stage]);
+ bf1[12] = half_btf(cospi[12], bf0[12], -cospi[52], bf0[11], cos_bit[stage]);
+ bf1[13] = half_btf(cospi[44], bf0[13], -cospi[20], bf0[10], cos_bit[stage]);
+ bf1[14] = half_btf(cospi[28], bf0[14], -cospi[36], bf0[9], cos_bit[stage]);
+ bf1[15] = half_btf(cospi[60], bf0[15], -cospi[4], bf0[8], cos_bit[stage]);
+ bf1[16] = bf0[16] + bf0[17];
+ bf1[17] = -bf0[17] + bf0[16];
+ bf1[18] = -bf0[18] + bf0[19];
+ bf1[19] = bf0[19] + bf0[18];
+ bf1[20] = bf0[20] + bf0[21];
+ bf1[21] = -bf0[21] + bf0[20];
+ bf1[22] = -bf0[22] + bf0[23];
+ bf1[23] = bf0[23] + bf0[22];
+ bf1[24] = bf0[24] + bf0[25];
+ bf1[25] = -bf0[25] + bf0[24];
+ bf1[26] = -bf0[26] + bf0[27];
+ bf1[27] = bf0[27] + bf0[26];
+ bf1[28] = bf0[28] + bf0[29];
+ bf1[29] = -bf0[29] + bf0[28];
+ bf1[30] = -bf0[30] + bf0[31];
+ bf1[31] = bf0[31] + bf0[30];
+ bf1[32] = bf0[32];
+ bf1[33] = half_btf(-cospi[4], bf0[33], cospi[60], bf0[62], cos_bit[stage]);
+ bf1[34] = half_btf(-cospi[60], bf0[34], -cospi[4], bf0[61], cos_bit[stage]);
+ bf1[35] = bf0[35];
+ bf1[36] = bf0[36];
+ bf1[37] = half_btf(-cospi[36], bf0[37], cospi[28], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(-cospi[28], bf0[38], -cospi[36], bf0[57], cos_bit[stage]);
+ bf1[39] = bf0[39];
+ bf1[40] = bf0[40];
+ bf1[41] = half_btf(-cospi[20], bf0[41], cospi[44], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[44], bf0[42], -cospi[20], bf0[53], cos_bit[stage]);
+ bf1[43] = bf0[43];
+ bf1[44] = bf0[44];
+ bf1[45] = half_btf(-cospi[52], bf0[45], cospi[12], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(-cospi[12], bf0[46], -cospi[52], bf0[49], cos_bit[stage]);
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = half_btf(cospi[12], bf0[49], -cospi[52], bf0[46], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[52], bf0[50], cospi[12], bf0[45], cos_bit[stage]);
+ bf1[51] = bf0[51];
+ bf1[52] = bf0[52];
+ bf1[53] = half_btf(cospi[44], bf0[53], -cospi[20], bf0[42], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[20], bf0[54], cospi[44], bf0[41], cos_bit[stage]);
+ bf1[55] = bf0[55];
+ bf1[56] = bf0[56];
+ bf1[57] = half_btf(cospi[28], bf0[57], -cospi[36], bf0[38], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[36], bf0[58], cospi[28], bf0[37], cos_bit[stage]);
+ bf1[59] = bf0[59];
+ bf1[60] = bf0[60];
+ bf1[61] = half_btf(cospi[60], bf0[61], -cospi[4], bf0[34], cos_bit[stage]);
+ bf1[62] = half_btf(cospi[4], bf0[62], cospi[60], bf0[33], cos_bit[stage]);
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 9
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = bf0[10];
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = bf0[13];
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = half_btf(cospi[62], bf0[16], cospi[2], bf0[31], cos_bit[stage]);
+ bf1[17] = half_btf(cospi[30], bf0[17], cospi[34], bf0[30], cos_bit[stage]);
+ bf1[18] = half_btf(cospi[46], bf0[18], cospi[18], bf0[29], cos_bit[stage]);
+ bf1[19] = half_btf(cospi[14], bf0[19], cospi[50], bf0[28], cos_bit[stage]);
+ bf1[20] = half_btf(cospi[54], bf0[20], cospi[10], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(cospi[22], bf0[21], cospi[42], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(cospi[38], bf0[22], cospi[26], bf0[25], cos_bit[stage]);
+ bf1[23] = half_btf(cospi[6], bf0[23], cospi[58], bf0[24], cos_bit[stage]);
+ bf1[24] = half_btf(cospi[6], bf0[24], -cospi[58], bf0[23], cos_bit[stage]);
+ bf1[25] = half_btf(cospi[38], bf0[25], -cospi[26], bf0[22], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[22], bf0[26], -cospi[42], bf0[21], cos_bit[stage]);
+ bf1[27] = half_btf(cospi[54], bf0[27], -cospi[10], bf0[20], cos_bit[stage]);
+ bf1[28] = half_btf(cospi[14], bf0[28], -cospi[50], bf0[19], cos_bit[stage]);
+ bf1[29] = half_btf(cospi[46], bf0[29], -cospi[18], bf0[18], cos_bit[stage]);
+ bf1[30] = half_btf(cospi[30], bf0[30], -cospi[34], bf0[17], cos_bit[stage]);
+ bf1[31] = half_btf(cospi[62], bf0[31], -cospi[2], bf0[16], cos_bit[stage]);
+ bf1[32] = bf0[32] + bf0[33];
+ bf1[33] = -bf0[33] + bf0[32];
+ bf1[34] = -bf0[34] + bf0[35];
+ bf1[35] = bf0[35] + bf0[34];
+ bf1[36] = bf0[36] + bf0[37];
+ bf1[37] = -bf0[37] + bf0[36];
+ bf1[38] = -bf0[38] + bf0[39];
+ bf1[39] = bf0[39] + bf0[38];
+ bf1[40] = bf0[40] + bf0[41];
+ bf1[41] = -bf0[41] + bf0[40];
+ bf1[42] = -bf0[42] + bf0[43];
+ bf1[43] = bf0[43] + bf0[42];
+ bf1[44] = bf0[44] + bf0[45];
+ bf1[45] = -bf0[45] + bf0[44];
+ bf1[46] = -bf0[46] + bf0[47];
+ bf1[47] = bf0[47] + bf0[46];
+ bf1[48] = bf0[48] + bf0[49];
+ bf1[49] = -bf0[49] + bf0[48];
+ bf1[50] = -bf0[50] + bf0[51];
+ bf1[51] = bf0[51] + bf0[50];
+ bf1[52] = bf0[52] + bf0[53];
+ bf1[53] = -bf0[53] + bf0[52];
+ bf1[54] = -bf0[54] + bf0[55];
+ bf1[55] = bf0[55] + bf0[54];
+ bf1[56] = bf0[56] + bf0[57];
+ bf1[57] = -bf0[57] + bf0[56];
+ bf1[58] = -bf0[58] + bf0[59];
+ bf1[59] = bf0[59] + bf0[58];
+ bf1[60] = bf0[60] + bf0[61];
+ bf1[61] = -bf0[61] + bf0[60];
+ bf1[62] = -bf0[62] + bf0[63];
+ bf1[63] = bf0[63] + bf0[62];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 10
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = bf0[10];
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = bf0[13];
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = bf0[18];
+ bf1[19] = bf0[19];
+ bf1[20] = bf0[20];
+ bf1[21] = bf0[21];
+ bf1[22] = bf0[22];
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = bf0[25];
+ bf1[26] = bf0[26];
+ bf1[27] = bf0[27];
+ bf1[28] = bf0[28];
+ bf1[29] = bf0[29];
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = half_btf(cospi[63], bf0[32], cospi[1], bf0[63], cos_bit[stage]);
+ bf1[33] = half_btf(cospi[31], bf0[33], cospi[33], bf0[62], cos_bit[stage]);
+ bf1[34] = half_btf(cospi[47], bf0[34], cospi[17], bf0[61], cos_bit[stage]);
+ bf1[35] = half_btf(cospi[15], bf0[35], cospi[49], bf0[60], cos_bit[stage]);
+ bf1[36] = half_btf(cospi[55], bf0[36], cospi[9], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(cospi[23], bf0[37], cospi[41], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(cospi[39], bf0[38], cospi[25], bf0[57], cos_bit[stage]);
+ bf1[39] = half_btf(cospi[7], bf0[39], cospi[57], bf0[56], cos_bit[stage]);
+ bf1[40] = half_btf(cospi[59], bf0[40], cospi[5], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(cospi[27], bf0[41], cospi[37], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(cospi[43], bf0[42], cospi[21], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(cospi[11], bf0[43], cospi[53], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(cospi[51], bf0[44], cospi[13], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(cospi[19], bf0[45], cospi[45], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(cospi[35], bf0[46], cospi[29], bf0[49], cos_bit[stage]);
+ bf1[47] = half_btf(cospi[3], bf0[47], cospi[61], bf0[48], cos_bit[stage]);
+ bf1[48] = half_btf(cospi[3], bf0[48], -cospi[61], bf0[47], cos_bit[stage]);
+ bf1[49] = half_btf(cospi[35], bf0[49], -cospi[29], bf0[46], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[19], bf0[50], -cospi[45], bf0[45], cos_bit[stage]);
+ bf1[51] = half_btf(cospi[51], bf0[51], -cospi[13], bf0[44], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[11], bf0[52], -cospi[53], bf0[43], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[43], bf0[53], -cospi[21], bf0[42], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[27], bf0[54], -cospi[37], bf0[41], cos_bit[stage]);
+ bf1[55] = half_btf(cospi[59], bf0[55], -cospi[5], bf0[40], cos_bit[stage]);
+ bf1[56] = half_btf(cospi[7], bf0[56], -cospi[57], bf0[39], cos_bit[stage]);
+ bf1[57] = half_btf(cospi[39], bf0[57], -cospi[25], bf0[38], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[23], bf0[58], -cospi[41], bf0[37], cos_bit[stage]);
+ bf1[59] = half_btf(cospi[55], bf0[59], -cospi[9], bf0[36], cos_bit[stage]);
+ bf1[60] = half_btf(cospi[15], bf0[60], -cospi[49], bf0[35], cos_bit[stage]);
+ bf1[61] = half_btf(cospi[47], bf0[61], -cospi[17], bf0[34], cos_bit[stage]);
+ bf1[62] = half_btf(cospi[31], bf0[62], -cospi[33], bf0[33], cos_bit[stage]);
+ bf1[63] = half_btf(cospi[63], bf0[63], -cospi[1], bf0[32], cos_bit[stage]);
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 11
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[32];
+ bf1[2] = bf0[16];
+ bf1[3] = bf0[48];
+ bf1[4] = bf0[8];
+ bf1[5] = bf0[40];
+ bf1[6] = bf0[24];
+ bf1[7] = bf0[56];
+ bf1[8] = bf0[4];
+ bf1[9] = bf0[36];
+ bf1[10] = bf0[20];
+ bf1[11] = bf0[52];
+ bf1[12] = bf0[12];
+ bf1[13] = bf0[44];
+ bf1[14] = bf0[28];
+ bf1[15] = bf0[60];
+ bf1[16] = bf0[2];
+ bf1[17] = bf0[34];
+ bf1[18] = bf0[18];
+ bf1[19] = bf0[50];
+ bf1[20] = bf0[10];
+ bf1[21] = bf0[42];
+ bf1[22] = bf0[26];
+ bf1[23] = bf0[58];
+ bf1[24] = bf0[6];
+ bf1[25] = bf0[38];
+ bf1[26] = bf0[22];
+ bf1[27] = bf0[54];
+ bf1[28] = bf0[14];
+ bf1[29] = bf0[46];
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[62];
+ bf1[32] = bf0[1];
+ bf1[33] = bf0[33];
+ bf1[34] = bf0[17];
+ bf1[35] = bf0[49];
+ bf1[36] = bf0[9];
+ bf1[37] = bf0[41];
+ bf1[38] = bf0[25];
+ bf1[39] = bf0[57];
+ bf1[40] = bf0[5];
+ bf1[41] = bf0[37];
+ bf1[42] = bf0[21];
+ bf1[43] = bf0[53];
+ bf1[44] = bf0[13];
+ bf1[45] = bf0[45];
+ bf1[46] = bf0[29];
+ bf1[47] = bf0[61];
+ bf1[48] = bf0[3];
+ bf1[49] = bf0[35];
+ bf1[50] = bf0[19];
+ bf1[51] = bf0[51];
+ bf1[52] = bf0[11];
+ bf1[53] = bf0[43];
+ bf1[54] = bf0[27];
+ bf1[55] = bf0[59];
+ bf1[56] = bf0[7];
+ bf1[57] = bf0[39];
+ bf1[58] = bf0[23];
+ bf1[59] = bf0[55];
+ bf1[60] = bf0[15];
+ bf1[61] = bf0[47];
+ bf1[62] = bf0[31];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+}
diff --git a/vp10/common/vp10_fwd_txfm1d.h b/vp10/common/vp10_fwd_txfm1d.h
index d5b9f40..d06e305 100644
--- a/vp10/common/vp10_fwd_txfm1d.h
+++ b/vp10/common/vp10_fwd_txfm1d.h
@@ -25,6 +25,8 @@
const int8_t *cos_bit, const int8_t *stage_range);
void vp10_fdct32_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
+void vp10_fdct64_new(const int32_t *input, int32_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range);
void vp10_fadst4_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
diff --git a/vp10/common/vp10_fwd_txfm2d.c b/vp10/common/vp10_fwd_txfm2d.c
index 67449ec..045ca2b 100644
--- a/vp10/common/vp10_fwd_txfm2d.c
+++ b/vp10/common/vp10_fwd_txfm2d.c
@@ -82,3 +82,11 @@
(void)bd;
fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
}
+
+void vp10_fwd_txfm2d_64x64(const int16_t *input, int32_t *output,
+ const int stride, const TXFM_2D_CFG *cfg,
+ const int bd) {
+ int txfm_buf[64 * 64 + 64 + 64];
+ (void)bd;
+ fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
+}
diff --git a/vp10/common/vp10_fwd_txfm2d.h b/vp10/common/vp10_fwd_txfm2d.h
index 64e6f56..3829609 100644
--- a/vp10/common/vp10_fwd_txfm2d.h
+++ b/vp10/common/vp10_fwd_txfm2d.h
@@ -27,6 +27,9 @@
void vp10_fwd_txfm2d_32x32(const int16_t *input, int32_t *output,
const int stride, const TXFM_2D_CFG *cfg,
const int bd);
+void vp10_fwd_txfm2d_64x64(const int16_t *input, int32_t *output,
+ const int stride, const TXFM_2D_CFG *cfg,
+ const int bd);
#ifdef __cplusplus
}
#endif
diff --git a/vp10/common/vp10_fwd_txfm2d_cfg.h b/vp10/common/vp10_fwd_txfm2d_cfg.h
index 5c2b4ca..bbabafe 100644
--- a/vp10/common/vp10_fwd_txfm2d_cfg.h
+++ b/vp10/common/vp10_fwd_txfm2d_cfg.h
@@ -95,6 +95,29 @@
vp10_fdct32_new, // .txfm_func_col
vp10_fdct32_new}; // .txfm_func_row;
+// ---------------- config fwd_dct_dct_64 ----------------
+static int8_t fwd_shift_dct_dct_64[3] = {2, -2, -2};
+static int8_t fwd_stage_range_col_dct_dct_64[12] = {13, 14, 15, 16, 17, 18,
+ 19, 19, 19, 19, 19, 19};
+static int8_t fwd_stage_range_row_dct_dct_64[12] = {17, 18, 19, 20, 21, 22,
+ 22, 22, 22, 22, 22, 22};
+static int8_t fwd_cos_bit_col_dct_dct_64[12] = {15, 15, 15, 15, 15, 14,
+ 13, 13, 13, 13, 13, 13};
+static int8_t fwd_cos_bit_row_dct_dct_64[12] = {15, 14, 13, 12, 11, 10,
+ 10, 10, 10, 10, 10, 10};
+
+static const TXFM_2D_CFG fwd_txfm_2d_cfg_dct_dct_64 = {
+ 64, // .txfm_size
+ 12, // .stage_num_col
+ 12, // .stage_num_row
+ fwd_shift_dct_dct_64, // .shift
+ fwd_stage_range_col_dct_dct_64, // .stage_range_col
+ fwd_stage_range_row_dct_dct_64, // .stage_range_row
+ fwd_cos_bit_col_dct_dct_64, // .cos_bit_col
+ fwd_cos_bit_row_dct_dct_64, // .cos_bit_row
+ vp10_fdct64_new, // .txfm_func_col
+ vp10_fdct64_new}; // .txfm_func_row;
+
// ---------------- config fwd_dct_adst_4 ----------------
static const int8_t fwd_shift_dct_adst_4[3] = {5, -2, -1};
static const int8_t fwd_stage_range_col_dct_adst_4[4] = {16, 17, 18, 18};
diff --git a/vp10/common/vp10_inv_txfm1d.c b/vp10/common/vp10_inv_txfm1d.c
index 606ca55..494000f 100644
--- a/vp10/common/vp10_inv_txfm1d.c
+++ b/vp10/common/vp10_inv_txfm1d.c
@@ -32,11 +32,11 @@
#else
#define range_check(stage, input, buf, size, bit) \
{ \
- (void) stage; \
- (void) input; \
- (void) buf; \
- (void) size; \
- (void) bit; \
+ (void)stage; \
+ (void)input; \
+ (void)buf; \
+ (void)size; \
+ (void)bit; \
}
#endif
@@ -1535,3 +1535,796 @@
bf1[31] = bf0[0];
range_check(stage, input, bf1, size, stage_range[stage]);
}
+
+void vp10_idct64_new(const int32_t *input, int32_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range) {
+ const int32_t size = 64;
+ const int32_t *cospi;
+
+ int32_t stage = 0;
+ int32_t *bf0, *bf1;
+ int32_t step[64];
+
+ // stage 0;
+ range_check(stage, input, input, size, stage_range[stage]);
+
+ // stage 1;
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf1 = output;
+ bf1[0] = input[0];
+ bf1[1] = input[32];
+ bf1[2] = input[16];
+ bf1[3] = input[48];
+ bf1[4] = input[8];
+ bf1[5] = input[40];
+ bf1[6] = input[24];
+ bf1[7] = input[56];
+ bf1[8] = input[4];
+ bf1[9] = input[36];
+ bf1[10] = input[20];
+ bf1[11] = input[52];
+ bf1[12] = input[12];
+ bf1[13] = input[44];
+ bf1[14] = input[28];
+ bf1[15] = input[60];
+ bf1[16] = input[2];
+ bf1[17] = input[34];
+ bf1[18] = input[18];
+ bf1[19] = input[50];
+ bf1[20] = input[10];
+ bf1[21] = input[42];
+ bf1[22] = input[26];
+ bf1[23] = input[58];
+ bf1[24] = input[6];
+ bf1[25] = input[38];
+ bf1[26] = input[22];
+ bf1[27] = input[54];
+ bf1[28] = input[14];
+ bf1[29] = input[46];
+ bf1[30] = input[30];
+ bf1[31] = input[62];
+ bf1[32] = input[1];
+ bf1[33] = input[33];
+ bf1[34] = input[17];
+ bf1[35] = input[49];
+ bf1[36] = input[9];
+ bf1[37] = input[41];
+ bf1[38] = input[25];
+ bf1[39] = input[57];
+ bf1[40] = input[5];
+ bf1[41] = input[37];
+ bf1[42] = input[21];
+ bf1[43] = input[53];
+ bf1[44] = input[13];
+ bf1[45] = input[45];
+ bf1[46] = input[29];
+ bf1[47] = input[61];
+ bf1[48] = input[3];
+ bf1[49] = input[35];
+ bf1[50] = input[19];
+ bf1[51] = input[51];
+ bf1[52] = input[11];
+ bf1[53] = input[43];
+ bf1[54] = input[27];
+ bf1[55] = input[59];
+ bf1[56] = input[7];
+ bf1[57] = input[39];
+ bf1[58] = input[23];
+ bf1[59] = input[55];
+ bf1[60] = input[15];
+ bf1[61] = input[47];
+ bf1[62] = input[31];
+ bf1[63] = input[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 2
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = bf0[10];
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = bf0[13];
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = bf0[18];
+ bf1[19] = bf0[19];
+ bf1[20] = bf0[20];
+ bf1[21] = bf0[21];
+ bf1[22] = bf0[22];
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = bf0[25];
+ bf1[26] = bf0[26];
+ bf1[27] = bf0[27];
+ bf1[28] = bf0[28];
+ bf1[29] = bf0[29];
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = half_btf(cospi[63], bf0[32], -cospi[1], bf0[63], cos_bit[stage]);
+ bf1[33] = half_btf(cospi[31], bf0[33], -cospi[33], bf0[62], cos_bit[stage]);
+ bf1[34] = half_btf(cospi[47], bf0[34], -cospi[17], bf0[61], cos_bit[stage]);
+ bf1[35] = half_btf(cospi[15], bf0[35], -cospi[49], bf0[60], cos_bit[stage]);
+ bf1[36] = half_btf(cospi[55], bf0[36], -cospi[9], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(cospi[23], bf0[37], -cospi[41], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(cospi[39], bf0[38], -cospi[25], bf0[57], cos_bit[stage]);
+ bf1[39] = half_btf(cospi[7], bf0[39], -cospi[57], bf0[56], cos_bit[stage]);
+ bf1[40] = half_btf(cospi[59], bf0[40], -cospi[5], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(cospi[27], bf0[41], -cospi[37], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(cospi[43], bf0[42], -cospi[21], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(cospi[11], bf0[43], -cospi[53], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(cospi[51], bf0[44], -cospi[13], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(cospi[19], bf0[45], -cospi[45], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(cospi[35], bf0[46], -cospi[29], bf0[49], cos_bit[stage]);
+ bf1[47] = half_btf(cospi[3], bf0[47], -cospi[61], bf0[48], cos_bit[stage]);
+ bf1[48] = half_btf(cospi[61], bf0[47], cospi[3], bf0[48], cos_bit[stage]);
+ bf1[49] = half_btf(cospi[29], bf0[46], cospi[35], bf0[49], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[45], bf0[45], cospi[19], bf0[50], cos_bit[stage]);
+ bf1[51] = half_btf(cospi[13], bf0[44], cospi[51], bf0[51], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[53], bf0[43], cospi[11], bf0[52], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[21], bf0[42], cospi[43], bf0[53], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[37], bf0[41], cospi[27], bf0[54], cos_bit[stage]);
+ bf1[55] = half_btf(cospi[5], bf0[40], cospi[59], bf0[55], cos_bit[stage]);
+ bf1[56] = half_btf(cospi[57], bf0[39], cospi[7], bf0[56], cos_bit[stage]);
+ bf1[57] = half_btf(cospi[25], bf0[38], cospi[39], bf0[57], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[41], bf0[37], cospi[23], bf0[58], cos_bit[stage]);
+ bf1[59] = half_btf(cospi[9], bf0[36], cospi[55], bf0[59], cos_bit[stage]);
+ bf1[60] = half_btf(cospi[49], bf0[35], cospi[15], bf0[60], cos_bit[stage]);
+ bf1[61] = half_btf(cospi[17], bf0[34], cospi[47], bf0[61], cos_bit[stage]);
+ bf1[62] = half_btf(cospi[33], bf0[33], cospi[31], bf0[62], cos_bit[stage]);
+ bf1[63] = half_btf(cospi[1], bf0[32], cospi[63], bf0[63], cos_bit[stage]);
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 3
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = bf0[10];
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = bf0[13];
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit[stage]);
+ bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit[stage]);
+ bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit[stage]);
+ bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit[stage]);
+ bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit[stage]);
+ bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit[stage]);
+ bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit[stage]);
+ bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit[stage]);
+ bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit[stage]);
+ bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit[stage]);
+ bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit[stage]);
+ bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit[stage]);
+ bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit[stage]);
+ bf1[32] = bf0[32] + bf0[33];
+ bf1[33] = bf0[32] - bf0[33];
+ bf1[34] = -bf0[34] + bf0[35];
+ bf1[35] = bf0[34] + bf0[35];
+ bf1[36] = bf0[36] + bf0[37];
+ bf1[37] = bf0[36] - bf0[37];
+ bf1[38] = -bf0[38] + bf0[39];
+ bf1[39] = bf0[38] + bf0[39];
+ bf1[40] = bf0[40] + bf0[41];
+ bf1[41] = bf0[40] - bf0[41];
+ bf1[42] = -bf0[42] + bf0[43];
+ bf1[43] = bf0[42] + bf0[43];
+ bf1[44] = bf0[44] + bf0[45];
+ bf1[45] = bf0[44] - bf0[45];
+ bf1[46] = -bf0[46] + bf0[47];
+ bf1[47] = bf0[46] + bf0[47];
+ bf1[48] = bf0[48] + bf0[49];
+ bf1[49] = bf0[48] - bf0[49];
+ bf1[50] = -bf0[50] + bf0[51];
+ bf1[51] = bf0[50] + bf0[51];
+ bf1[52] = bf0[52] + bf0[53];
+ bf1[53] = bf0[52] - bf0[53];
+ bf1[54] = -bf0[54] + bf0[55];
+ bf1[55] = bf0[54] + bf0[55];
+ bf1[56] = bf0[56] + bf0[57];
+ bf1[57] = bf0[56] - bf0[57];
+ bf1[58] = -bf0[58] + bf0[59];
+ bf1[59] = bf0[58] + bf0[59];
+ bf1[60] = bf0[60] + bf0[61];
+ bf1[61] = bf0[60] - bf0[61];
+ bf1[62] = -bf0[62] + bf0[63];
+ bf1[63] = bf0[62] + bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 4
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = bf0[5];
+ bf1[6] = bf0[6];
+ bf1[7] = bf0[7];
+ bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit[stage]);
+ bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit[stage]);
+ bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit[stage]);
+ bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit[stage]);
+ bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit[stage]);
+ bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit[stage]);
+ bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit[stage]);
+ bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit[stage]);
+ bf1[16] = bf0[16] + bf0[17];
+ bf1[17] = bf0[16] - bf0[17];
+ bf1[18] = -bf0[18] + bf0[19];
+ bf1[19] = bf0[18] + bf0[19];
+ bf1[20] = bf0[20] + bf0[21];
+ bf1[21] = bf0[20] - bf0[21];
+ bf1[22] = -bf0[22] + bf0[23];
+ bf1[23] = bf0[22] + bf0[23];
+ bf1[24] = bf0[24] + bf0[25];
+ bf1[25] = bf0[24] - bf0[25];
+ bf1[26] = -bf0[26] + bf0[27];
+ bf1[27] = bf0[26] + bf0[27];
+ bf1[28] = bf0[28] + bf0[29];
+ bf1[29] = bf0[28] - bf0[29];
+ bf1[30] = -bf0[30] + bf0[31];
+ bf1[31] = bf0[30] + bf0[31];
+ bf1[32] = bf0[32];
+ bf1[33] = half_btf(-cospi[4], bf0[33], cospi[60], bf0[62], cos_bit[stage]);
+ bf1[34] = half_btf(-cospi[60], bf0[34], -cospi[4], bf0[61], cos_bit[stage]);
+ bf1[35] = bf0[35];
+ bf1[36] = bf0[36];
+ bf1[37] = half_btf(-cospi[36], bf0[37], cospi[28], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(-cospi[28], bf0[38], -cospi[36], bf0[57], cos_bit[stage]);
+ bf1[39] = bf0[39];
+ bf1[40] = bf0[40];
+ bf1[41] = half_btf(-cospi[20], bf0[41], cospi[44], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[44], bf0[42], -cospi[20], bf0[53], cos_bit[stage]);
+ bf1[43] = bf0[43];
+ bf1[44] = bf0[44];
+ bf1[45] = half_btf(-cospi[52], bf0[45], cospi[12], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(-cospi[12], bf0[46], -cospi[52], bf0[49], cos_bit[stage]);
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = half_btf(-cospi[52], bf0[46], cospi[12], bf0[49], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[12], bf0[45], cospi[52], bf0[50], cos_bit[stage]);
+ bf1[51] = bf0[51];
+ bf1[52] = bf0[52];
+ bf1[53] = half_btf(-cospi[20], bf0[42], cospi[44], bf0[53], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[44], bf0[41], cospi[20], bf0[54], cos_bit[stage]);
+ bf1[55] = bf0[55];
+ bf1[56] = bf0[56];
+ bf1[57] = half_btf(-cospi[36], bf0[38], cospi[28], bf0[57], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[28], bf0[37], cospi[36], bf0[58], cos_bit[stage]);
+ bf1[59] = bf0[59];
+ bf1[60] = bf0[60];
+ bf1[61] = half_btf(-cospi[4], bf0[34], cospi[60], bf0[61], cos_bit[stage]);
+ bf1[62] = half_btf(cospi[60], bf0[33], cospi[4], bf0[62], cos_bit[stage]);
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 5
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0];
+ bf1[1] = bf0[1];
+ bf1[2] = bf0[2];
+ bf1[3] = bf0[3];
+ bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit[stage]);
+ bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit[stage]);
+ bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit[stage]);
+ bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit[stage]);
+ bf1[8] = bf0[8] + bf0[9];
+ bf1[9] = bf0[8] - bf0[9];
+ bf1[10] = -bf0[10] + bf0[11];
+ bf1[11] = bf0[10] + bf0[11];
+ bf1[12] = bf0[12] + bf0[13];
+ bf1[13] = bf0[12] - bf0[13];
+ bf1[14] = -bf0[14] + bf0[15];
+ bf1[15] = bf0[14] + bf0[15];
+ bf1[16] = bf0[16];
+ bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit[stage]);
+ bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit[stage]);
+ bf1[19] = bf0[19];
+ bf1[20] = bf0[20];
+ bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit[stage]);
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit[stage]);
+ bf1[27] = bf0[27];
+ bf1[28] = bf0[28];
+ bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit[stage]);
+ bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit[stage]);
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[35];
+ bf1[33] = bf0[33] + bf0[34];
+ bf1[34] = bf0[33] - bf0[34];
+ bf1[35] = bf0[32] - bf0[35];
+ bf1[36] = -bf0[36] + bf0[39];
+ bf1[37] = -bf0[37] + bf0[38];
+ bf1[38] = bf0[37] + bf0[38];
+ bf1[39] = bf0[36] + bf0[39];
+ bf1[40] = bf0[40] + bf0[43];
+ bf1[41] = bf0[41] + bf0[42];
+ bf1[42] = bf0[41] - bf0[42];
+ bf1[43] = bf0[40] - bf0[43];
+ bf1[44] = -bf0[44] + bf0[47];
+ bf1[45] = -bf0[45] + bf0[46];
+ bf1[46] = bf0[45] + bf0[46];
+ bf1[47] = bf0[44] + bf0[47];
+ bf1[48] = bf0[48] + bf0[51];
+ bf1[49] = bf0[49] + bf0[50];
+ bf1[50] = bf0[49] - bf0[50];
+ bf1[51] = bf0[48] - bf0[51];
+ bf1[52] = -bf0[52] + bf0[55];
+ bf1[53] = -bf0[53] + bf0[54];
+ bf1[54] = bf0[53] + bf0[54];
+ bf1[55] = bf0[52] + bf0[55];
+ bf1[56] = bf0[56] + bf0[59];
+ bf1[57] = bf0[57] + bf0[58];
+ bf1[58] = bf0[57] - bf0[58];
+ bf1[59] = bf0[56] - bf0[59];
+ bf1[60] = -bf0[60] + bf0[63];
+ bf1[61] = -bf0[61] + bf0[62];
+ bf1[62] = bf0[61] + bf0[62];
+ bf1[63] = bf0[60] + bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 6
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
+ bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit[stage]);
+ bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit[stage]);
+ bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit[stage]);
+ bf1[4] = bf0[4] + bf0[5];
+ bf1[5] = bf0[4] - bf0[5];
+ bf1[6] = -bf0[6] + bf0[7];
+ bf1[7] = bf0[6] + bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit[stage]);
+ bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit[stage]);
+ bf1[11] = bf0[11];
+ bf1[12] = bf0[12];
+ bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit[stage]);
+ bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit[stage]);
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16] + bf0[19];
+ bf1[17] = bf0[17] + bf0[18];
+ bf1[18] = bf0[17] - bf0[18];
+ bf1[19] = bf0[16] - bf0[19];
+ bf1[20] = -bf0[20] + bf0[23];
+ bf1[21] = -bf0[21] + bf0[22];
+ bf1[22] = bf0[21] + bf0[22];
+ bf1[23] = bf0[20] + bf0[23];
+ bf1[24] = bf0[24] + bf0[27];
+ bf1[25] = bf0[25] + bf0[26];
+ bf1[26] = bf0[25] - bf0[26];
+ bf1[27] = bf0[24] - bf0[27];
+ bf1[28] = -bf0[28] + bf0[31];
+ bf1[29] = -bf0[29] + bf0[30];
+ bf1[30] = bf0[29] + bf0[30];
+ bf1[31] = bf0[28] + bf0[31];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = half_btf(-cospi[8], bf0[34], cospi[56], bf0[61], cos_bit[stage]);
+ bf1[35] = half_btf(-cospi[8], bf0[35], cospi[56], bf0[60], cos_bit[stage]);
+ bf1[36] = half_btf(-cospi[56], bf0[36], -cospi[8], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(-cospi[56], bf0[37], -cospi[8], bf0[58], cos_bit[stage]);
+ bf1[38] = bf0[38];
+ bf1[39] = bf0[39];
+ bf1[40] = bf0[40];
+ bf1[41] = bf0[41];
+ bf1[42] = half_btf(-cospi[40], bf0[42], cospi[24], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[40], bf0[43], cospi[24], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(-cospi[24], bf0[44], -cospi[40], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(-cospi[24], bf0[45], -cospi[40], bf0[50], cos_bit[stage]);
+ bf1[46] = bf0[46];
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = bf0[49];
+ bf1[50] = half_btf(-cospi[40], bf0[45], cospi[24], bf0[50], cos_bit[stage]);
+ bf1[51] = half_btf(-cospi[40], bf0[44], cospi[24], bf0[51], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[24], bf0[43], cospi[40], bf0[52], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[24], bf0[42], cospi[40], bf0[53], cos_bit[stage]);
+ bf1[54] = bf0[54];
+ bf1[55] = bf0[55];
+ bf1[56] = bf0[56];
+ bf1[57] = bf0[57];
+ bf1[58] = half_btf(-cospi[8], bf0[37], cospi[56], bf0[58], cos_bit[stage]);
+ bf1[59] = half_btf(-cospi[8], bf0[36], cospi[56], bf0[59], cos_bit[stage]);
+ bf1[60] = half_btf(cospi[56], bf0[35], cospi[8], bf0[60], cos_bit[stage]);
+ bf1[61] = half_btf(cospi[56], bf0[34], cospi[8], bf0[61], cos_bit[stage]);
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 7
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0] + bf0[3];
+ bf1[1] = bf0[1] + bf0[2];
+ bf1[2] = bf0[1] - bf0[2];
+ bf1[3] = bf0[0] - bf0[3];
+ bf1[4] = bf0[4];
+ bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
+ bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
+ bf1[7] = bf0[7];
+ bf1[8] = bf0[8] + bf0[11];
+ bf1[9] = bf0[9] + bf0[10];
+ bf1[10] = bf0[9] - bf0[10];
+ bf1[11] = bf0[8] - bf0[11];
+ bf1[12] = -bf0[12] + bf0[15];
+ bf1[13] = -bf0[13] + bf0[14];
+ bf1[14] = bf0[13] + bf0[14];
+ bf1[15] = bf0[12] + bf0[15];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit[stage]);
+ bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit[stage]);
+ bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit[stage]);
+ bf1[22] = bf0[22];
+ bf1[23] = bf0[23];
+ bf1[24] = bf0[24];
+ bf1[25] = bf0[25];
+ bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit[stage]);
+ bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit[stage]);
+ bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit[stage]);
+ bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit[stage]);
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[39];
+ bf1[33] = bf0[33] + bf0[38];
+ bf1[34] = bf0[34] + bf0[37];
+ bf1[35] = bf0[35] + bf0[36];
+ bf1[36] = bf0[35] - bf0[36];
+ bf1[37] = bf0[34] - bf0[37];
+ bf1[38] = bf0[33] - bf0[38];
+ bf1[39] = bf0[32] - bf0[39];
+ bf1[40] = -bf0[40] + bf0[47];
+ bf1[41] = -bf0[41] + bf0[46];
+ bf1[42] = -bf0[42] + bf0[45];
+ bf1[43] = -bf0[43] + bf0[44];
+ bf1[44] = bf0[43] + bf0[44];
+ bf1[45] = bf0[42] + bf0[45];
+ bf1[46] = bf0[41] + bf0[46];
+ bf1[47] = bf0[40] + bf0[47];
+ bf1[48] = bf0[48] + bf0[55];
+ bf1[49] = bf0[49] + bf0[54];
+ bf1[50] = bf0[50] + bf0[53];
+ bf1[51] = bf0[51] + bf0[52];
+ bf1[52] = bf0[51] - bf0[52];
+ bf1[53] = bf0[50] - bf0[53];
+ bf1[54] = bf0[49] - bf0[54];
+ bf1[55] = bf0[48] - bf0[55];
+ bf1[56] = -bf0[56] + bf0[63];
+ bf1[57] = -bf0[57] + bf0[62];
+ bf1[58] = -bf0[58] + bf0[61];
+ bf1[59] = -bf0[59] + bf0[60];
+ bf1[60] = bf0[59] + bf0[60];
+ bf1[61] = bf0[58] + bf0[61];
+ bf1[62] = bf0[57] + bf0[62];
+ bf1[63] = bf0[56] + bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 8
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0] + bf0[7];
+ bf1[1] = bf0[1] + bf0[6];
+ bf1[2] = bf0[2] + bf0[5];
+ bf1[3] = bf0[3] + bf0[4];
+ bf1[4] = bf0[3] - bf0[4];
+ bf1[5] = bf0[2] - bf0[5];
+ bf1[6] = bf0[1] - bf0[6];
+ bf1[7] = bf0[0] - bf0[7];
+ bf1[8] = bf0[8];
+ bf1[9] = bf0[9];
+ bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
+ bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
+ bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
+ bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
+ bf1[14] = bf0[14];
+ bf1[15] = bf0[15];
+ bf1[16] = bf0[16] + bf0[23];
+ bf1[17] = bf0[17] + bf0[22];
+ bf1[18] = bf0[18] + bf0[21];
+ bf1[19] = bf0[19] + bf0[20];
+ bf1[20] = bf0[19] - bf0[20];
+ bf1[21] = bf0[18] - bf0[21];
+ bf1[22] = bf0[17] - bf0[22];
+ bf1[23] = bf0[16] - bf0[23];
+ bf1[24] = -bf0[24] + bf0[31];
+ bf1[25] = -bf0[25] + bf0[30];
+ bf1[26] = -bf0[26] + bf0[29];
+ bf1[27] = -bf0[27] + bf0[28];
+ bf1[28] = bf0[27] + bf0[28];
+ bf1[29] = bf0[26] + bf0[29];
+ bf1[30] = bf0[25] + bf0[30];
+ bf1[31] = bf0[24] + bf0[31];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = bf0[34];
+ bf1[35] = bf0[35];
+ bf1[36] = half_btf(-cospi[16], bf0[36], cospi[48], bf0[59], cos_bit[stage]);
+ bf1[37] = half_btf(-cospi[16], bf0[37], cospi[48], bf0[58], cos_bit[stage]);
+ bf1[38] = half_btf(-cospi[16], bf0[38], cospi[48], bf0[57], cos_bit[stage]);
+ bf1[39] = half_btf(-cospi[16], bf0[39], cospi[48], bf0[56], cos_bit[stage]);
+ bf1[40] = half_btf(-cospi[48], bf0[40], -cospi[16], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(-cospi[48], bf0[41], -cospi[16], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[48], bf0[42], -cospi[16], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[48], bf0[43], -cospi[16], bf0[52], cos_bit[stage]);
+ bf1[44] = bf0[44];
+ bf1[45] = bf0[45];
+ bf1[46] = bf0[46];
+ bf1[47] = bf0[47];
+ bf1[48] = bf0[48];
+ bf1[49] = bf0[49];
+ bf1[50] = bf0[50];
+ bf1[51] = bf0[51];
+ bf1[52] = half_btf(-cospi[16], bf0[43], cospi[48], bf0[52], cos_bit[stage]);
+ bf1[53] = half_btf(-cospi[16], bf0[42], cospi[48], bf0[53], cos_bit[stage]);
+ bf1[54] = half_btf(-cospi[16], bf0[41], cospi[48], bf0[54], cos_bit[stage]);
+ bf1[55] = half_btf(-cospi[16], bf0[40], cospi[48], bf0[55], cos_bit[stage]);
+ bf1[56] = half_btf(cospi[48], bf0[39], cospi[16], bf0[56], cos_bit[stage]);
+ bf1[57] = half_btf(cospi[48], bf0[38], cospi[16], bf0[57], cos_bit[stage]);
+ bf1[58] = half_btf(cospi[48], bf0[37], cospi[16], bf0[58], cos_bit[stage]);
+ bf1[59] = half_btf(cospi[48], bf0[36], cospi[16], bf0[59], cos_bit[stage]);
+ bf1[60] = bf0[60];
+ bf1[61] = bf0[61];
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 9
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0] + bf0[15];
+ bf1[1] = bf0[1] + bf0[14];
+ bf1[2] = bf0[2] + bf0[13];
+ bf1[3] = bf0[3] + bf0[12];
+ bf1[4] = bf0[4] + bf0[11];
+ bf1[5] = bf0[5] + bf0[10];
+ bf1[6] = bf0[6] + bf0[9];
+ bf1[7] = bf0[7] + bf0[8];
+ bf1[8] = bf0[7] - bf0[8];
+ bf1[9] = bf0[6] - bf0[9];
+ bf1[10] = bf0[5] - bf0[10];
+ bf1[11] = bf0[4] - bf0[11];
+ bf1[12] = bf0[3] - bf0[12];
+ bf1[13] = bf0[2] - bf0[13];
+ bf1[14] = bf0[1] - bf0[14];
+ bf1[15] = bf0[0] - bf0[15];
+ bf1[16] = bf0[16];
+ bf1[17] = bf0[17];
+ bf1[18] = bf0[18];
+ bf1[19] = bf0[19];
+ bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit[stage]);
+ bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit[stage]);
+ bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit[stage]);
+ bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit[stage]);
+ bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit[stage]);
+ bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit[stage]);
+ bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit[stage]);
+ bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit[stage]);
+ bf1[28] = bf0[28];
+ bf1[29] = bf0[29];
+ bf1[30] = bf0[30];
+ bf1[31] = bf0[31];
+ bf1[32] = bf0[32] + bf0[47];
+ bf1[33] = bf0[33] + bf0[46];
+ bf1[34] = bf0[34] + bf0[45];
+ bf1[35] = bf0[35] + bf0[44];
+ bf1[36] = bf0[36] + bf0[43];
+ bf1[37] = bf0[37] + bf0[42];
+ bf1[38] = bf0[38] + bf0[41];
+ bf1[39] = bf0[39] + bf0[40];
+ bf1[40] = bf0[39] - bf0[40];
+ bf1[41] = bf0[38] - bf0[41];
+ bf1[42] = bf0[37] - bf0[42];
+ bf1[43] = bf0[36] - bf0[43];
+ bf1[44] = bf0[35] - bf0[44];
+ bf1[45] = bf0[34] - bf0[45];
+ bf1[46] = bf0[33] - bf0[46];
+ bf1[47] = bf0[32] - bf0[47];
+ bf1[48] = -bf0[48] + bf0[63];
+ bf1[49] = -bf0[49] + bf0[62];
+ bf1[50] = -bf0[50] + bf0[61];
+ bf1[51] = -bf0[51] + bf0[60];
+ bf1[52] = -bf0[52] + bf0[59];
+ bf1[53] = -bf0[53] + bf0[58];
+ bf1[54] = -bf0[54] + bf0[57];
+ bf1[55] = -bf0[55] + bf0[56];
+ bf1[56] = bf0[55] + bf0[56];
+ bf1[57] = bf0[54] + bf0[57];
+ bf1[58] = bf0[53] + bf0[58];
+ bf1[59] = bf0[52] + bf0[59];
+ bf1[60] = bf0[51] + bf0[60];
+ bf1[61] = bf0[50] + bf0[61];
+ bf1[62] = bf0[49] + bf0[62];
+ bf1[63] = bf0[48] + bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 10
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = output;
+ bf1 = step;
+ bf1[0] = bf0[0] + bf0[31];
+ bf1[1] = bf0[1] + bf0[30];
+ bf1[2] = bf0[2] + bf0[29];
+ bf1[3] = bf0[3] + bf0[28];
+ bf1[4] = bf0[4] + bf0[27];
+ bf1[5] = bf0[5] + bf0[26];
+ bf1[6] = bf0[6] + bf0[25];
+ bf1[7] = bf0[7] + bf0[24];
+ bf1[8] = bf0[8] + bf0[23];
+ bf1[9] = bf0[9] + bf0[22];
+ bf1[10] = bf0[10] + bf0[21];
+ bf1[11] = bf0[11] + bf0[20];
+ bf1[12] = bf0[12] + bf0[19];
+ bf1[13] = bf0[13] + bf0[18];
+ bf1[14] = bf0[14] + bf0[17];
+ bf1[15] = bf0[15] + bf0[16];
+ bf1[16] = bf0[15] - bf0[16];
+ bf1[17] = bf0[14] - bf0[17];
+ bf1[18] = bf0[13] - bf0[18];
+ bf1[19] = bf0[12] - bf0[19];
+ bf1[20] = bf0[11] - bf0[20];
+ bf1[21] = bf0[10] - bf0[21];
+ bf1[22] = bf0[9] - bf0[22];
+ bf1[23] = bf0[8] - bf0[23];
+ bf1[24] = bf0[7] - bf0[24];
+ bf1[25] = bf0[6] - bf0[25];
+ bf1[26] = bf0[5] - bf0[26];
+ bf1[27] = bf0[4] - bf0[27];
+ bf1[28] = bf0[3] - bf0[28];
+ bf1[29] = bf0[2] - bf0[29];
+ bf1[30] = bf0[1] - bf0[30];
+ bf1[31] = bf0[0] - bf0[31];
+ bf1[32] = bf0[32];
+ bf1[33] = bf0[33];
+ bf1[34] = bf0[34];
+ bf1[35] = bf0[35];
+ bf1[36] = bf0[36];
+ bf1[37] = bf0[37];
+ bf1[38] = bf0[38];
+ bf1[39] = bf0[39];
+ bf1[40] = half_btf(-cospi[32], bf0[40], cospi[32], bf0[55], cos_bit[stage]);
+ bf1[41] = half_btf(-cospi[32], bf0[41], cospi[32], bf0[54], cos_bit[stage]);
+ bf1[42] = half_btf(-cospi[32], bf0[42], cospi[32], bf0[53], cos_bit[stage]);
+ bf1[43] = half_btf(-cospi[32], bf0[43], cospi[32], bf0[52], cos_bit[stage]);
+ bf1[44] = half_btf(-cospi[32], bf0[44], cospi[32], bf0[51], cos_bit[stage]);
+ bf1[45] = half_btf(-cospi[32], bf0[45], cospi[32], bf0[50], cos_bit[stage]);
+ bf1[46] = half_btf(-cospi[32], bf0[46], cospi[32], bf0[49], cos_bit[stage]);
+ bf1[47] = half_btf(-cospi[32], bf0[47], cospi[32], bf0[48], cos_bit[stage]);
+ bf1[48] = half_btf(cospi[32], bf0[47], cospi[32], bf0[48], cos_bit[stage]);
+ bf1[49] = half_btf(cospi[32], bf0[46], cospi[32], bf0[49], cos_bit[stage]);
+ bf1[50] = half_btf(cospi[32], bf0[45], cospi[32], bf0[50], cos_bit[stage]);
+ bf1[51] = half_btf(cospi[32], bf0[44], cospi[32], bf0[51], cos_bit[stage]);
+ bf1[52] = half_btf(cospi[32], bf0[43], cospi[32], bf0[52], cos_bit[stage]);
+ bf1[53] = half_btf(cospi[32], bf0[42], cospi[32], bf0[53], cos_bit[stage]);
+ bf1[54] = half_btf(cospi[32], bf0[41], cospi[32], bf0[54], cos_bit[stage]);
+ bf1[55] = half_btf(cospi[32], bf0[40], cospi[32], bf0[55], cos_bit[stage]);
+ bf1[56] = bf0[56];
+ bf1[57] = bf0[57];
+ bf1[58] = bf0[58];
+ bf1[59] = bf0[59];
+ bf1[60] = bf0[60];
+ bf1[61] = bf0[61];
+ bf1[62] = bf0[62];
+ bf1[63] = bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+
+ // stage 11
+ stage++;
+ cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
+ bf0 = step;
+ bf1 = output;
+ bf1[0] = bf0[0] + bf0[63];
+ bf1[1] = bf0[1] + bf0[62];
+ bf1[2] = bf0[2] + bf0[61];
+ bf1[3] = bf0[3] + bf0[60];
+ bf1[4] = bf0[4] + bf0[59];
+ bf1[5] = bf0[5] + bf0[58];
+ bf1[6] = bf0[6] + bf0[57];
+ bf1[7] = bf0[7] + bf0[56];
+ bf1[8] = bf0[8] + bf0[55];
+ bf1[9] = bf0[9] + bf0[54];
+ bf1[10] = bf0[10] + bf0[53];
+ bf1[11] = bf0[11] + bf0[52];
+ bf1[12] = bf0[12] + bf0[51];
+ bf1[13] = bf0[13] + bf0[50];
+ bf1[14] = bf0[14] + bf0[49];
+ bf1[15] = bf0[15] + bf0[48];
+ bf1[16] = bf0[16] + bf0[47];
+ bf1[17] = bf0[17] + bf0[46];
+ bf1[18] = bf0[18] + bf0[45];
+ bf1[19] = bf0[19] + bf0[44];
+ bf1[20] = bf0[20] + bf0[43];
+ bf1[21] = bf0[21] + bf0[42];
+ bf1[22] = bf0[22] + bf0[41];
+ bf1[23] = bf0[23] + bf0[40];
+ bf1[24] = bf0[24] + bf0[39];
+ bf1[25] = bf0[25] + bf0[38];
+ bf1[26] = bf0[26] + bf0[37];
+ bf1[27] = bf0[27] + bf0[36];
+ bf1[28] = bf0[28] + bf0[35];
+ bf1[29] = bf0[29] + bf0[34];
+ bf1[30] = bf0[30] + bf0[33];
+ bf1[31] = bf0[31] + bf0[32];
+ bf1[32] = bf0[31] - bf0[32];
+ bf1[33] = bf0[30] - bf0[33];
+ bf1[34] = bf0[29] - bf0[34];
+ bf1[35] = bf0[28] - bf0[35];
+ bf1[36] = bf0[27] - bf0[36];
+ bf1[37] = bf0[26] - bf0[37];
+ bf1[38] = bf0[25] - bf0[38];
+ bf1[39] = bf0[24] - bf0[39];
+ bf1[40] = bf0[23] - bf0[40];
+ bf1[41] = bf0[22] - bf0[41];
+ bf1[42] = bf0[21] - bf0[42];
+ bf1[43] = bf0[20] - bf0[43];
+ bf1[44] = bf0[19] - bf0[44];
+ bf1[45] = bf0[18] - bf0[45];
+ bf1[46] = bf0[17] - bf0[46];
+ bf1[47] = bf0[16] - bf0[47];
+ bf1[48] = bf0[15] - bf0[48];
+ bf1[49] = bf0[14] - bf0[49];
+ bf1[50] = bf0[13] - bf0[50];
+ bf1[51] = bf0[12] - bf0[51];
+ bf1[52] = bf0[11] - bf0[52];
+ bf1[53] = bf0[10] - bf0[53];
+ bf1[54] = bf0[9] - bf0[54];
+ bf1[55] = bf0[8] - bf0[55];
+ bf1[56] = bf0[7] - bf0[56];
+ bf1[57] = bf0[6] - bf0[57];
+ bf1[58] = bf0[5] - bf0[58];
+ bf1[59] = bf0[4] - bf0[59];
+ bf1[60] = bf0[3] - bf0[60];
+ bf1[61] = bf0[2] - bf0[61];
+ bf1[62] = bf0[1] - bf0[62];
+ bf1[63] = bf0[0] - bf0[63];
+ range_check(stage, input, bf1, size, stage_range[stage]);
+}
diff --git a/vp10/common/vp10_inv_txfm1d.h b/vp10/common/vp10_inv_txfm1d.h
index 0609b65..fd547a6 100644
--- a/vp10/common/vp10_inv_txfm1d.h
+++ b/vp10/common/vp10_inv_txfm1d.h
@@ -25,6 +25,8 @@
const int8_t *cos_bit, const int8_t *stage_range);
void vp10_idct32_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
+void vp10_idct64_new(const int32_t *input, int32_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range);
void vp10_iadst4_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
diff --git a/vp10/common/vp10_inv_txfm2d.c b/vp10/common/vp10_inv_txfm2d.c
index c894a42..cacbd0b 100644
--- a/vp10/common/vp10_inv_txfm2d.c
+++ b/vp10/common/vp10_inv_txfm2d.c
@@ -96,3 +96,15 @@
inv_txfm2d_add_c(input, (int16_t *)output, stride, cfg, txfm_buf);
clamp_block((int16_t *)output, 32, stride, 0, (1 << bd) - 1);
}
+
+void vp10_inv_txfm2d_add_64x64(const int32_t *input, uint16_t *output,
+ const int stride, const TXFM_2D_CFG *cfg,
+ const int bd) {
+ int txfm_buf[64 * 64 + 64 + 64];
+ // output contains the prediction signal which is always positive and smaller
+ // than (1 << bd) - 1
+ // since bd < 16-1, therefore we can treat the uint16_t* output buffer as an
+ // int16_t*
+ inv_txfm2d_add_c(input, (int16_t *)output, stride, cfg, txfm_buf);
+ clamp_block((int16_t *)output, 64, stride, 0, (1 << bd) - 1);
+}
diff --git a/vp10/common/vp10_inv_txfm2d.h b/vp10/common/vp10_inv_txfm2d.h
index 1b570ef..fd4b23c 100644
--- a/vp10/common/vp10_inv_txfm2d.h
+++ b/vp10/common/vp10_inv_txfm2d.h
@@ -27,6 +27,9 @@
void vp10_inv_txfm2d_add_32x32(const int32_t *input, uint16_t *output,
const int stride, const TXFM_2D_CFG *cfg,
const int bd);
+void vp10_inv_txfm2d_add_64x64(const int32_t *input, uint16_t *output,
+ const int stride, const TXFM_2D_CFG *cfg,
+ const int bd);
#ifdef __cplusplus
}
#endif
diff --git a/vp10/common/vp10_inv_txfm2d_cfg.h b/vp10/common/vp10_inv_txfm2d_cfg.h
index fc552fe..a1c4892 100644
--- a/vp10/common/vp10_inv_txfm2d_cfg.h
+++ b/vp10/common/vp10_inv_txfm2d_cfg.h
@@ -96,6 +96,29 @@
vp10_idct32_new, // .txfm_func_col
vp10_idct32_new}; // .txfm_func_row;
+// ---------------- config inv_dct_dct_64 ----------------
+static int8_t inv_shift_dct_dct_64[2] = {-1, -7};
+static int8_t inv_stage_range_col_dct_dct_64[12] = {19, 19, 19, 19, 19, 19,
+ 19, 19, 19, 19, 18, 18};
+static int8_t inv_stage_range_row_dct_dct_64[12] = {20, 20, 20, 20, 20, 20,
+ 20, 20, 20, 20, 20, 20};
+static int8_t inv_cos_bit_col_dct_dct_64[12] = {13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 14};
+static int8_t inv_cos_bit_row_dct_dct_64[12] = {12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12};
+
+static const TXFM_2D_CFG inv_txfm_2d_cfg_dct_dct_64 = {
+ 64, // .txfm_size
+ 12, // .stage_num_col
+ 12, // .stage_num_row
+ inv_shift_dct_dct_64, // .shift
+ inv_stage_range_col_dct_dct_64, // .stage_range_col
+ inv_stage_range_row_dct_dct_64, // .stage_range_row
+ inv_cos_bit_col_dct_dct_64, // .cos_bit_col
+ inv_cos_bit_row_dct_dct_64, // .cos_bit_row
+ vp10_idct64_new, // .txfm_func_col
+ vp10_idct64_new}; // .txfm_func_row;
+
// ---------------- config inv_dct_adst_4 ----------------
static const int8_t inv_shift_dct_adst_4[2] = {1, -5};
static const int8_t inv_stage_range_col_dct_adst_4[4] = {17, 17, 16, 16};
