1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "EffectTestHelper.h"
using namespace android;
// Update isBassBoost, if the order of effects is updated
constexpr effect_uuid_t kEffectUuids[] = {
// NXP SW BassBoost
{0x8631f300, 0x72e2, 0x11df, 0xb57e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW Virtualizer
{0x1d4033c0, 0x8557, 0x11df, 0x9f2d, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW Equalizer
{0xce772f20, 0x847d, 0x11df, 0xbb17, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW Volume
{0x119341a0, 0x8469, 0x11df, 0x81f9, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
};
static bool isBassBoost(const effect_uuid_t* uuid) {
// Update this, if the order of effects in kEffectUuids is updated
return uuid == &kEffectUuids[0];
}
constexpr size_t kNumEffectUuids = std::size(kEffectUuids);
typedef std::tuple<int, int, int, int, int> SingleEffectTestParam;
class SingleEffectTest : public ::testing::TestWithParam<SingleEffectTestParam> {
public:
SingleEffectTest()
: mChMask(EffectTestHelper::kChMasks[std::get<0>(GetParam())]),
mChannelCount(audio_channel_count_from_out_mask(mChMask)),
mSampleRate(EffectTestHelper::kSampleRates[std::get<1>(GetParam())]),
mFrameCount(EffectTestHelper::kFrameCounts[std::get<2>(GetParam())]),
mLoopCount(EffectTestHelper::kLoopCounts[std::get<3>(GetParam())]),
mTotalFrameCount(mFrameCount * mLoopCount),
mUuid(&kEffectUuids[std::get<4>(GetParam())]) {}
const size_t mChMask;
const size_t mChannelCount;
const size_t mSampleRate;
const size_t mFrameCount;
const size_t mLoopCount;
const size_t mTotalFrameCount;
const effect_uuid_t* mUuid;
};
// Tests applying a single effect
TEST_P(SingleEffectTest, SimpleProcess) {
SCOPED_TRACE(testing::Message()
<< "chMask: " << mChMask << " sampleRate: " << mSampleRate
<< " frameCount: " << mFrameCount << " loopCount: " << mLoopCount);
EffectTestHelper effect(mUuid, mChMask, mChMask, mSampleRate, mFrameCount, mLoopCount);
ASSERT_NO_FATAL_FAILURE(effect.createEffect());
ASSERT_NO_FATAL_FAILURE(effect.setConfig());
// Initialize input buffer with deterministic pseudo-random values
std::vector<float> input(mTotalFrameCount * mChannelCount);
std::vector<float> output(mTotalFrameCount * mChannelCount);
std::minstd_rand gen(mChMask);
std::uniform_real_distribution<> dis(-1.0f, 1.0f);
for (auto& in : input) {
in = dis(gen);
}
ASSERT_NO_FATAL_FAILURE(effect.process(input.data(), output.data()));
ASSERT_NO_FATAL_FAILURE(effect.releaseEffect());
}
INSTANTIATE_TEST_SUITE_P(
EffectBundleTestAll, SingleEffectTest,
::testing::Combine(::testing::Range(0, (int)EffectTestHelper::kNumChMasks),
::testing::Range(0, (int)EffectTestHelper::kNumSampleRates),
::testing::Range(0, (int)EffectTestHelper::kNumFrameCounts),
::testing::Range(0, (int)EffectTestHelper::kNumLoopCounts),
::testing::Range(0, (int)kNumEffectUuids)));
typedef std::tuple<int, int, int, int> SingleEffectComparisonTestParam;
class SingleEffectComparisonTest
: public ::testing::TestWithParam<SingleEffectComparisonTestParam> {
public:
SingleEffectComparisonTest()
: mSampleRate(EffectTestHelper::kSampleRates[std::get<0>(GetParam())]),
mFrameCount(EffectTestHelper::kFrameCounts[std::get<1>(GetParam())]),
mLoopCount(EffectTestHelper::kLoopCounts[std::get<2>(GetParam())]),
mTotalFrameCount(mFrameCount * mLoopCount),
mUuid(&kEffectUuids[std::get<3>(GetParam())]) {}
const size_t mSampleRate;
const size_t mFrameCount;
const size_t mLoopCount;
const size_t mTotalFrameCount;
const effect_uuid_t* mUuid;
};
// Compares first two channels in multi-channel output to stereo output when same effect is applied
TEST_P(SingleEffectComparisonTest, SimpleProcess) {
SCOPED_TRACE(testing::Message() << " sampleRate: " << mSampleRate << " frameCount: "
<< mFrameCount << " loopCount: " << mLoopCount);
// Initialize mono input buffer with deterministic pseudo-random values
std::vector<float> monoInput(mTotalFrameCount);
std::minstd_rand gen(mSampleRate);
std::uniform_real_distribution<> dis(-1.0f, 1.0f);
for (auto& in : monoInput) {
in = dis(gen);
}
// Generate stereo by repeating mono channel data
std::vector<float> stereoInput(mTotalFrameCount * FCC_2);
adjust_channels(monoInput.data(), FCC_1, stereoInput.data(), FCC_2, sizeof(float),
mTotalFrameCount * sizeof(float) * FCC_1);
// Apply effect on stereo channels
EffectTestHelper stereoEffect(mUuid, AUDIO_CHANNEL_OUT_STEREO, AUDIO_CHANNEL_OUT_STEREO,
mSampleRate, mFrameCount, mLoopCount);
ASSERT_NO_FATAL_FAILURE(stereoEffect.createEffect());
ASSERT_NO_FATAL_FAILURE(stereoEffect.setConfig());
std::vector<float> stereoOutput(mTotalFrameCount * FCC_2);
ASSERT_NO_FATAL_FAILURE(stereoEffect.process(stereoInput.data(), stereoOutput.data()));
ASSERT_NO_FATAL_FAILURE(stereoEffect.releaseEffect());
// Convert stereo float data to stereo int16_t to be used as reference
std::vector<int16_t> stereoRefI16(mTotalFrameCount * FCC_2);
memcpy_to_i16_from_float(stereoRefI16.data(), stereoOutput.data(), mTotalFrameCount * FCC_2);
for (size_t chMask : EffectTestHelper::kChMasks) {
size_t channelCount = audio_channel_count_from_out_mask(chMask);
EffectTestHelper testEffect(mUuid, chMask, chMask, mSampleRate, mFrameCount, mLoopCount);
ASSERT_NO_FATAL_FAILURE(testEffect.createEffect());
ASSERT_NO_FATAL_FAILURE(testEffect.setConfig());
std::vector<float> testInput(mTotalFrameCount * channelCount);
// Repeat mono channel data to all the channels
// adjust_channels() zero fills channels > 2, hence can't be used here
for (size_t i = 0; i < mTotalFrameCount; ++i) {
auto* fp = &testInput[i * channelCount];
std::fill(fp, fp + channelCount, monoInput[i]);
}
std::vector<float> testOutput(mTotalFrameCount * channelCount);
ASSERT_NO_FATAL_FAILURE(testEffect.process(testInput.data(), testOutput.data()));
ASSERT_NO_FATAL_FAILURE(testEffect.releaseEffect());
// Extract first two channels
std::vector<float> stereoTestOutput(mTotalFrameCount * FCC_2);
adjust_channels(testOutput.data(), channelCount, stereoTestOutput.data(), FCC_2,
sizeof(float), mTotalFrameCount * sizeof(float) * channelCount);
// Convert the test data to int16_t
std::vector<int16_t> stereoTestI16(mTotalFrameCount * FCC_2);
memcpy_to_i16_from_float(stereoTestI16.data(), stereoTestOutput.data(),
mTotalFrameCount * FCC_2);
if (isBassBoost(mUuid)) {
// SNR must be above the threshold
float snr = computeSnr<int16_t>(stereoRefI16.data(), stereoTestI16.data(),
mTotalFrameCount * FCC_2);
ASSERT_GT(snr, EffectTestHelper::kSNRThreshold)
<< "SNR " << snr << "is lower than " << EffectTestHelper::kSNRThreshold;
} else {
ASSERT_EQ(0,
memcmp(stereoRefI16.data(), stereoTestI16.data(), mTotalFrameCount * FCC_2))
<< "First two channels do not match with stereo output \n";
}
}
}
INSTANTIATE_TEST_SUITE_P(
EffectBundleTestAll, SingleEffectComparisonTest,
::testing::Combine(::testing::Range(0, (int)EffectTestHelper::kNumSampleRates),
::testing::Range(0, (int)EffectTestHelper::kNumFrameCounts),
::testing::Range(0, (int)EffectTestHelper::kNumLoopCounts),
::testing::Range(0, (int)kNumEffectUuids)));
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
int status = RUN_ALL_TESTS();
ALOGV("Test result = %d\n", status);
return status;
}
|
