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/*
* 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 <audio_effects/effect_presetreverb.h>
#include <VectorArithmetic.h>
#include "EffectTestHelper.h"
using namespace android;
constexpr effect_uuid_t kEffectUuids[] = {
// NXP SW insert environmental reverb
{0xc7a511a0, 0xa3bb, 0x11df, 0x860e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW insert preset reverb
{0x172cdf00, 0xa3bc, 0x11df, 0xa72f, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW auxiliary environmental reverb
{0x4a387fc0, 0x8ab3, 0x11df, 0x8bad, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
// NXP SW auxiliary preset reverb
{0xf29a1400, 0xa3bb, 0x11df, 0x8ddc, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
};
constexpr size_t kNumEffectUuids = std::size(kEffectUuids);
static bool isAuxMode(const effect_uuid_t* uuid) {
// Update this, if the order of effects in kEffectUuids is updated
return (uuid == &kEffectUuids[2] || uuid == &kEffectUuids[3]);
}
constexpr int kPresets[] = {
REVERB_PRESET_NONE, REVERB_PRESET_SMALLROOM, REVERB_PRESET_MEDIUMROOM,
REVERB_PRESET_LARGEROOM, REVERB_PRESET_MEDIUMHALL, REVERB_PRESET_LARGEHALL,
REVERB_PRESET_PLATE,
};
constexpr size_t kNumPresets = std::size(kPresets);
typedef std::tuple<int, int, int, int, int, int> SingleEffectTestParam;
class SingleEffectTest : public ::testing::TestWithParam<SingleEffectTestParam> {
public:
SingleEffectTest()
: 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())]),
mInChMask(isAuxMode(mUuid) ? AUDIO_CHANNEL_OUT_MONO
: EffectTestHelper::kChMasks[std::get<0>(GetParam())]),
mInChannelCount(audio_channel_count_from_out_mask(mInChMask)),
mOutChMask(EffectTestHelper::kChMasks[std::get<0>(GetParam())]),
mOutChannelCount(audio_channel_count_from_out_mask(mOutChMask)),
mPreset(kPresets[std::get<5>(GetParam())]) {}
const size_t mSampleRate;
const size_t mFrameCount;
const size_t mLoopCount;
const size_t mTotalFrameCount;
const effect_uuid_t* mUuid;
const size_t mInChMask;
const size_t mInChannelCount;
const size_t mOutChMask;
const size_t mOutChannelCount;
const size_t mPreset;
};
// Tests applying a single effect
TEST_P(SingleEffectTest, SimpleProcess) {
SCOPED_TRACE(testing::Message() << "outChMask: " << mOutChMask << " sampleRate: " << mSampleRate
<< " frameCount: " << mFrameCount
<< " loopCount: " << mLoopCount << " preset: " << mPreset);
EffectTestHelper effect(mUuid, mInChMask, mOutChMask, mSampleRate, mFrameCount, mLoopCount);
ASSERT_NO_FATAL_FAILURE(effect.createEffect());
ASSERT_NO_FATAL_FAILURE(effect.setConfig());
ASSERT_NO_FATAL_FAILURE(effect.setParam(REVERB_PARAM_PRESET, mPreset));
// Initialize input buffer with deterministic pseudo-random values
std::vector<float> input(mTotalFrameCount * mInChannelCount);
std::vector<float> output(mTotalFrameCount * mOutChannelCount);
std::minstd_rand gen(mOutChMask);
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(
EffectReverbTestAll, 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),
::testing::Range(0, (int)kNumPresets)));
typedef std::tuple<int, 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())]),
mPreset(kPresets[std::get<4>(GetParam())]) {}
const size_t mSampleRate;
const size_t mFrameCount;
const size_t mLoopCount;
const size_t mTotalFrameCount;
const effect_uuid_t* mUuid;
const size_t mPreset;
};
// 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 << " preset: " << mPreset);
// 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, isAuxMode(mUuid) ? AUDIO_CHANNEL_OUT_MONO : AUDIO_CHANNEL_OUT_STEREO,
AUDIO_CHANNEL_OUT_STEREO, mSampleRate, mFrameCount, mLoopCount);
ASSERT_NO_FATAL_FAILURE(stereoEffect.createEffect());
ASSERT_NO_FATAL_FAILURE(stereoEffect.setConfig());
ASSERT_NO_FATAL_FAILURE(stereoEffect.setParam(REVERB_PARAM_PRESET, mPreset));
std::vector<float> stereoOutput(mTotalFrameCount * FCC_2);
ASSERT_NO_FATAL_FAILURE(stereoEffect.process(
(isAuxMode(mUuid) ? monoInput.data() : stereoInput.data()), stereoOutput.data()));
ASSERT_NO_FATAL_FAILURE(stereoEffect.releaseEffect());
// Average of both channels data is stored for mono comparison
std::vector<float> monoOutput(mTotalFrameCount);
From2iToMono_Float((const float*)stereoOutput.data(), monoOutput.data(), mTotalFrameCount);
// 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);
// mono int16_t to be used as refernece for mono comparison
std::vector<int16_t> monoRefI16(mTotalFrameCount);
memcpy_to_i16_from_float(monoRefI16.data(), monoOutput.data(), mTotalFrameCount);
for (size_t outChMask : EffectTestHelper::kChMasks) {
size_t outChannelCount = audio_channel_count_from_out_mask(outChMask);
size_t inChMask = isAuxMode(mUuid) ? AUDIO_CHANNEL_OUT_MONO : outChMask;
EffectTestHelper testEffect(mUuid, inChMask, outChMask, mSampleRate, mFrameCount,
mLoopCount);
ASSERT_NO_FATAL_FAILURE(testEffect.createEffect());
ASSERT_NO_FATAL_FAILURE(testEffect.setConfig());
ASSERT_NO_FATAL_FAILURE(testEffect.setParam(REVERB_PARAM_PRESET, mPreset));
std::vector<float> testInput(mTotalFrameCount * outChannelCount);
// 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 * outChannelCount];
std::fill(fp, fp + outChannelCount, monoInput[i]);
}
std::vector<float> testOutput(mTotalFrameCount * outChannelCount);
ASSERT_NO_FATAL_FAILURE(testEffect.process(
(isAuxMode(mUuid) ? monoInput.data() : testInput.data()), testOutput.data()));
ASSERT_NO_FATAL_FAILURE(testEffect.releaseEffect());
if (outChannelCount == FCC_1) {
// Convert the test data to int16_t
std::vector<int16_t> monoTestI16(mTotalFrameCount);
memcpy_to_i16_from_float(monoTestI16.data(), testOutput.data(), mTotalFrameCount);
ASSERT_EQ(0, memcmp(monoRefI16.data(), monoTestI16.data(), mTotalFrameCount * FCC_2))
<< "Mono channel do not match with reference output \n";
} else {
// Extract first two channels
std::vector<float> stereoTestOutput(mTotalFrameCount * FCC_2);
adjust_channels(testOutput.data(), outChannelCount, stereoTestOutput.data(), FCC_2,
sizeof(float), mTotalFrameCount * sizeof(float) * outChannelCount);
// 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);
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(
EffectReverbTestAll, 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),
::testing::Range(0, (int)kNumPresets)));
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
int status = RUN_ALL_TESTS();
ALOGV("Test result = %d\n", status);
return status;
}