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synthesizer_tests.cpp
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synthesizer_tests.cpp
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#include <gtest/gtest.h>
#include "../include/synthesizer.h"
#include <chrono>
using namespace std::chrono_literals;
void setupStandardSynthesizer(Synthesizer &synth) {
Synthesizer::Parameters params;
params.AudioBufferSize = 512 * 16;
params.AudioSampleRate = 16;
params.InputBufferSize = 256;
params.InputChannelCount = 8;
params.InputSampleRate = 32;
Synthesizer::AudioParameters audioParams;
audioParams.AirNoise = 0.0;
audioParams.InputSampleNoise = 0.0;
audioParams.LevelerMaxGain = 1.0;
audioParams.LevelerMinGain = 1.0;
audioParams.dF_F_mix = 0.0;
params.InitialAudioParameters = audioParams;
synth.initialize(params);
}
void setupSynchronizedSynthesizer(Synthesizer &synth) {
Synthesizer::Parameters params;
params.AudioBufferSize = 512 * 16;
params.AudioSampleRate = 32;
params.InputBufferSize = 1024;
params.InputChannelCount = 8;
params.InputSampleRate = 32;
Synthesizer::AudioParameters audioParams;
audioParams.AirNoise = 0.0;
audioParams.InputSampleNoise = 0.0;
audioParams.LevelerMaxGain = 1.0;
audioParams.LevelerMinGain = 1.0;
audioParams.dF_F_mix = 0.0;
params.InitialAudioParameters = audioParams;
synth.initialize(params);
}
TEST(SynthesizerTests, SynthesizerSanityCheck) {
Synthesizer synth;
setupStandardSynthesizer(synth);
synth.destroy();
}
/*
TEST(SynthesizerTests, SynthesizerConversionTest) {
Synthesizer synth;
setupStandardSynthesizer(synth);
EXPECT_NEAR(synth.inputSampleToTimeOffset(0.0), 0.0, 1E-6);
EXPECT_NEAR(synth.inputSampleToTimeOffset(1.0), 1 / 32.0, 1E-6);
EXPECT_NEAR(synth.audioSampleToTimeOffset(0), -0.5, 1E-6);
synth.destroy();
}
TEST(SynthesizerTests, SynthesizerTrimTest) {
Synthesizer synth;
setupStandardSynthesizer(synth);
const double timeOffset0 = synth.audioSampleToTimeOffset(0);
synth.trimInput(0.5, false);
const double timeOffset1 = synth.audioSampleToTimeOffset(8);
EXPECT_NEAR(timeOffset1, timeOffset0, 1E-6);
synth.destroy();
}
TEST(SynthesizerTests, SynthesizerSampleTest) {
Synthesizer synth;
setupStandardSynthesizer(synth);
for (int i = 0; i < 1024; ++i) {
const double v = (double)i;
const double data[] = { v, v, v, v, v, v, v, v };
synth.writeInput(data);
}
const double end_t = 1023 / 32.0;
const double v0 = synth.sampleInput(end_t, 0);
const double v1 = synth.sampleInput(end_t - 1 / 64.0, 0);
EXPECT_NEAR(v0, 1023.0, 1E-6);
EXPECT_NEAR(v1, 1022.5, 1E-6);
synth.trimInput(0.5);
const double v0_trim = synth.sampleInput(end_t, 0);
const double v1_trim = synth.sampleInput(end_t - 1 / 64.0, 0);
EXPECT_NEAR(v0, v0_trim, 1E-6);
EXPECT_NEAR(v1, v1_trim, 1E-6);
synth.destroy();
}
*/
TEST(SynthesizerTests, SynthesizerSystemTestSingleThread) {
constexpr int inputSamples = 64;
constexpr int outputSamples = 63;
Synthesizer synth;
setupSynchronizedSynthesizer(synth);
int16_t *output = new int16_t[outputSamples];
int totalSamples = 0;
for (int i = 0; i < inputSamples;) {
for (int j = 0; j < 16; ++j, ++i) {
const double v = (double)i;
const double data[] = { v, v, v, v, v, v, v, v };
synth.writeInput(data);
}
synth.endInputBlock();
synth.renderAudio();
totalSamples += synth.readAudioOutput(16, output + totalSamples);
int a = 0;
}
const int rem = synth.readAudioOutput(outputSamples - totalSamples, output + totalSamples);
EXPECT_EQ(rem, outputSamples - totalSamples);
for (int i = 0; i < 16; ++i) {
EXPECT_EQ(output[i], 0);
}
for (int i = 16; i < outputSamples; ++i) {
EXPECT_EQ(output[i], (i - 16) * 10 * 8);
}
synth.destroy();
delete[] output;
}
TEST(SynthesizerTests, SynthesizerSystemTest) {
constexpr int inputSamples = 1024;
constexpr int outputSamples = 1023;
Synthesizer synth;
setupSynchronizedSynthesizer(synth);
synth.startAudioRenderingThread();
int16_t *output = new int16_t[outputSamples];
int totalSamples = 0;
for (int i = 0; i < inputSamples;) {
for (int j = 0; j < 16; ++j, ++i) {
const double v = (double)i;
const double data[] = { v, v, v, v, v, v, v, v };
synth.writeInput(data);
}
const int samplesReturned = synth.readAudioOutput(8, output + totalSamples);
totalSamples += samplesReturned;
}
synth.endInputBlock();
synth.waitProcessed();
const int rem = synth.readAudioOutput(outputSamples - totalSamples, output + totalSamples);
EXPECT_EQ(rem, outputSamples - totalSamples);
for (int i = 0; i < 16; ++i) {
EXPECT_EQ(output[i], 0);
}
for (int i = 16; i < outputSamples; ++i) {
EXPECT_EQ(output[i], std::min(32767, (i - 16) * 10 * 8));
}
synth.endAudioRenderingThread();
synth.destroy();
delete[] output;
}