1 files changed, 135 insertions, 0 deletions
diff --git a/media/libaom/src/test/av1_txfm_test.h b/media/libaom/src/test/av1_txfm_test.h
new file mode 100644
index 0000000000..a181647411
--- /dev/null
+++ b/media/libaom/src/test/av1_txfm_test.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_TEST_AV1_TXFM_TEST_H_
+#define AOM_TEST_AV1_TXFM_TEST_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+
+#include "config/av1_rtcd.h"
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "test/acm_random.h"
+#include "av1/common/av1_txfm.h"
+#include "av1/common/blockd.h"
+#include "av1/common/enums.h"
+
+namespace libaom_test {
+typedef enum {
+  TYPE_DCT = 0,
+  TYPE_ADST,
+  TYPE_IDTX,
+  TYPE_IDCT,
+  TYPE_IADST,
+  TYPE_LAST
+} TYPE_TXFM;
+
+int get_txfm1d_size(TX_SIZE tx_size);
+
+void get_txfm1d_type(TX_TYPE txfm2d_type, TYPE_TXFM *type0, TYPE_TXFM *type1);
+
+void reference_dct_1d(const double *in, double *out, int size);
+void reference_idct_1d(const double *in, double *out, int size);
+
+void reference_adst_1d(const double *in, double *out, int size);
+
+void reference_hybrid_1d(double *in, double *out, int size, int type);
+
+double get_amplification_factor(TX_TYPE tx_type, TX_SIZE tx_size);
+
+void reference_hybrid_2d(double *in, double *out, TX_TYPE tx_type,
+                         TX_SIZE tx_size);
+template <typename Type1, typename Type2>
+static double compute_avg_abs_error(const Type1 *a, const Type2 *b,
+                                    const int size) {
+  double error = 0;
+  for (int i = 0; i < size; i++) {
+    error += fabs(static_cast<double>(a[i]) - static_cast<double>(b[i]));
+  }
+  error = error / size;
+  return error;
+}
+
+template <typename Type>
+void fliplr(Type *dest, int width, int height, int stride);
+
+template <typename Type>
+void flipud(Type *dest, int width, int height, int stride);
+
+template <typename Type>
+void fliplrud(Type *dest, int width, int height, int stride);
+
+typedef void (*TxfmFunc)(const int32_t *in, int32_t *out, const int8_t cos_bit,
+                         const int8_t *range_bit);
+
+typedef void (*InvTxfm2dFunc)(const int32_t *, uint16_t *, int, TX_TYPE, int);
+typedef void (*LbdInvTxfm2dFunc)(const int32_t *, uint8_t *, int, TX_TYPE,
+                                 TX_SIZE, int);
+
+static const int bd = 10;
+static const int input_base = (1 << bd);
+
+static INLINE bool IsTxSizeTypeValid(TX_SIZE tx_size, TX_TYPE tx_type) {
+  const TX_SIZE tx_size_sqr_up = txsize_sqr_up_map[tx_size];
+  TxSetType tx_set_type;
+  if (tx_size_sqr_up > TX_32X32) {
+    tx_set_type = EXT_TX_SET_DCTONLY;
+  } else if (tx_size_sqr_up == TX_32X32) {
+    tx_set_type = EXT_TX_SET_DCT_IDTX;
+  } else {
+    tx_set_type = EXT_TX_SET_ALL16;
+  }
+  return av1_ext_tx_used[tx_set_type][tx_type] != 0;
+}
+
+#if CONFIG_AV1_ENCODER
+
+static const FwdTxfm2dFunc fwd_txfm_func_ls[TX_SIZES_ALL] = {
+  av1_fwd_txfm2d_4x4_c,   av1_fwd_txfm2d_8x8_c,   av1_fwd_txfm2d_16x16_c,
+  av1_fwd_txfm2d_32x32_c, av1_fwd_txfm2d_64x64_c, av1_fwd_txfm2d_4x8_c,
+  av1_fwd_txfm2d_8x4_c,   av1_fwd_txfm2d_8x16_c,  av1_fwd_txfm2d_16x8_c,
+  av1_fwd_txfm2d_16x32_c, av1_fwd_txfm2d_32x16_c, av1_fwd_txfm2d_32x64_c,
+  av1_fwd_txfm2d_64x32_c, av1_fwd_txfm2d_4x16_c,  av1_fwd_txfm2d_16x4_c,
+  av1_fwd_txfm2d_8x32_c,  av1_fwd_txfm2d_32x8_c,  av1_fwd_txfm2d_16x64_c,
+  av1_fwd_txfm2d_64x16_c,
+};
+#endif
+
+static const InvTxfm2dFunc inv_txfm_func_ls[TX_SIZES_ALL] = {
+  av1_inv_txfm2d_add_4x4_c,   av1_inv_txfm2d_add_8x8_c,
+  av1_inv_txfm2d_add_16x16_c, av1_inv_txfm2d_add_32x32_c,
+  av1_inv_txfm2d_add_64x64_c, av1_inv_txfm2d_add_4x8_c,
+  av1_inv_txfm2d_add_8x4_c,   av1_inv_txfm2d_add_8x16_c,
+  av1_inv_txfm2d_add_16x8_c,  av1_inv_txfm2d_add_16x32_c,
+  av1_inv_txfm2d_add_32x16_c, av1_inv_txfm2d_add_32x64_c,
+  av1_inv_txfm2d_add_64x32_c, av1_inv_txfm2d_add_4x16_c,
+  av1_inv_txfm2d_add_16x4_c,  av1_inv_txfm2d_add_8x32_c,
+  av1_inv_txfm2d_add_32x8_c,  av1_inv_txfm2d_add_16x64_c,
+  av1_inv_txfm2d_add_64x16_c,
+};
+
+#define BD_NUM 3
+
+extern int bd_arr[];
+extern int8_t low_range_arr[];
+extern int8_t high_range_arr[];
+
+void txfm_stage_range_check(const int8_t *stage_range, int stage_num,
+                            const int8_t cos_bit, int low_range,
+                            int high_range);
+}  // namespace libaom_test
+#endif  // AOM_TEST_AV1_TXFM_TEST_H_