2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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.
11 #include "gtest/gtest.h"
12 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
13 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_internal.h"
14 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_tables.h"
15 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
16 #include "webrtc/system_wrappers/interface/cpu_features_wrapper.h"
17 #include "webrtc/typedefs.h"
19 class FilterBanksTest : public testing::Test {
21 // Pass a function pointer to the Tester function.
22 void CalculateResidualEnergyTester(AllpassFilter2FixDec16
23 AllpassFilter2FixDec16Function) {
24 const int kSamples = QLOOKAHEAD;
26 int16_t data_ch1[kSamples] = {0};
27 int16_t data_ch2[kSamples] = {0};
28 int32_t state_ch1[kState] = {0};
29 int32_t state_ch2[kState] = {0};
30 const int32_t out_state_ch1[kState] = {-809122714, 1645972152};
31 const int32_t out_state_ch2[kState] = {428019288, 1057309936};
32 const int32_t out_data_ch1[kSamples] = {0, 0, 347, 10618, 16718, -7089,
33 32767, 16913, 27042, 8377, -22973, -28372, -27603, -14804, 398, -25332,
34 -11200, 18044, 25223, -6839, 1116, -23984, 32717, 7364};
35 const int32_t out_data_ch2[kSamples] = {0, 0, 3010, 22351, 21106, 16969,
36 -2095, -664, 3513, -30980, 32767, -23839, 13335, 20289, -6831, 339,
37 -17207, 32767, 4959, 6177, 32767, 16599, -4747, 20504};
40 for (int i = 0; i < kSamples; i++) {
42 data_ch1[i] = sign * WEBRTC_SPL_WORD32_MAX / (i * i + 1);
43 data_ch2[i] = sign * WEBRTC_SPL_WORD32_MIN / (i * i + 1);
46 AllpassFilter2FixDec16Function(data_ch1,
48 WebRtcIsacfix_kUpperApFactorsQ15,
49 WebRtcIsacfix_kLowerApFactorsQ15,
54 for (int i = 0; i < kSamples; i++) {
55 EXPECT_EQ(out_data_ch1[i], data_ch1[i]);
56 EXPECT_EQ(out_data_ch2[i], data_ch2[i]);
58 for (int i = 0; i < kState; i++) {
59 EXPECT_EQ(out_state_ch1[i], state_ch1[i]);
60 EXPECT_EQ(out_state_ch2[i], state_ch2[i]);
65 TEST_F(FilterBanksTest, AllpassFilter2FixDec16Test) {
66 CalculateResidualEnergyTester(WebRtcIsacfix_AllpassFilter2FixDec16C);
67 #ifdef WEBRTC_DETECT_ARM_NEON
68 if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
69 CalculateResidualEnergyTester(WebRtcIsacfix_AllpassFilter2FixDec16Neon);
71 #elif defined(WEBRTC_ARCH_ARM_NEON)
72 CalculateResidualEnergyTester(WebRtcIsacfix_AllpassFilter2FixDec16Neon);
76 TEST_F(FilterBanksTest, HighpassFilterFixDec32Test) {
77 const int kSamples = 20;
79 int32_t state[2] = {12345, 987654};
80 #ifdef WEBRTC_ARCH_ARM_V7
81 int32_t out[kSamples] = {-1040, -1035, -22875, -1397, -27604, 20018, 7917,
82 -1279, -8552, -14494, -7558, -23537, -27258, -30554, -32768, -3432, -32768,
83 25215, -27536, 22436};
85 int32_t out[kSamples] = {-1040, -1035, -22875, -1397, -27604, 20017, 7915,
86 -1280, -8554, -14496, -7561, -23541, -27263, -30560, -32768, -3441, -32768,
87 25203, -27550, 22419};
89 HighpassFilterFixDec32 WebRtcIsacfix_HighpassFilterFixDec32;
90 #if defined(MIPS_DSP_R1_LE)
91 WebRtcIsacfix_HighpassFilterFixDec32 =
92 WebRtcIsacfix_HighpassFilterFixDec32MIPS;
94 WebRtcIsacfix_HighpassFilterFixDec32 = WebRtcIsacfix_HighpassFilterFixDec32C;
97 for (int i = 0; i < kSamples; i++) {
98 in[i] = WEBRTC_SPL_WORD32_MAX / (i + 1);
101 WebRtcIsacfix_HighpassFilterFixDec32(in, kSamples,
102 WebRtcIsacfix_kHPStCoeffOut1Q30, state);
104 for (int i = 0; i < kSamples; i++) {
105 EXPECT_EQ(out[i], in[i]);