1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "modules/audio_coding/codecs/isac/fix/source/codec.h"
12 #include "system_wrappers/include/cpu_features_wrapper.h"
13 #include "test/gtest.h"
14 #include "typedefs.h" // NOLINT(build/include)
15
16 class FiltersTest : public testing::Test {
17 protected:
18 // Pass a function pointer to the Tester function.
FiltersTester(AutocorrFix WebRtcIsacfix_AutocorrFixFunction)19 void FiltersTester(AutocorrFix WebRtcIsacfix_AutocorrFixFunction) {
20 const int kOrder = 12;
21 const int kBuffer = 40;
22 int16_t scale = 0;
23 int32_t r_buffer[kOrder + 2] = {0};
24
25 // Test an overflow case.
26 const int16_t x_buffer_0[kBuffer] = {0, 0, 3010, 22351, 21106, 16969, -2095,
27 -664, 3513, -30980, 32767, -23839, 13335, 20289, -6831, 339, -17207,
28 32767, 4959, 6177, 32767, 16599, -4747, 20504, 3513, -30980, 32767,
29 -23839, 13335, 20289, 0, -16969, -2095, -664, 3513, 31981, 32767,
30 -13839, 23336, 30281};
31 const int32_t r_expected_0[kOrder + 2] = {1872498461, -224288754, 203789985,
32 483400487, -208272635, 2436500, 137785322, 266600814, -208486262,
33 329510080, 137949184, -161738972, -26894267, 237630192};
34
35 WebRtcIsacfix_AutocorrFixFunction(r_buffer, x_buffer_0,
36 kBuffer, kOrder + 1, &scale);
37 for (int i = 0; i < kOrder + 2; i++) {
38 EXPECT_EQ(r_expected_0[i], r_buffer[i]);
39 }
40 EXPECT_EQ(3, scale);
41
42 // Test a no-overflow case.
43 const int16_t x_buffer_1[kBuffer] = {0, 0, 300, 21, 206, 169, -295,
44 -664, 3513, -300, 327, -29, 15, 289, -6831, 339, -107,
45 37, 59, 6177, 327, 169, -4747, 204, 313, -980, 767,
46 -9, 135, 289, 0, -6969, -2095, -664, 0, 1, 7,
47 -39, 236, 281};
48 const int32_t r_expected_1[kOrder + 2] = {176253864, 8126617, 1983287,
49 -26196788, -3487363, -42839676, -24644043, 3469813, 30559879, 31905045,
50 5101567, 29328896, -55787438, -13163978};
51
52 WebRtcIsacfix_AutocorrFixFunction(r_buffer, x_buffer_1,
53 kBuffer, kOrder + 1, &scale);
54 for (int i = 0; i < kOrder + 2; i++) {
55 EXPECT_EQ(r_expected_1[i], r_buffer[i]);
56 }
57 EXPECT_EQ(0, scale);
58 }
59 };
60
TEST_F(FiltersTest,AutocorrFixTest)61 TEST_F(FiltersTest, AutocorrFixTest) {
62 FiltersTester(WebRtcIsacfix_AutocorrC);
63 #if defined(WEBRTC_HAS_NEON)
64 FiltersTester(WebRtcIsacfix_AutocorrNeon);
65 #endif
66 }
67