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#include <gtest/gtest.h>
#include <QtDebug>
#include "test/mockedenginebackendtest.h"
#include "track/replaygain.h"
namespace {
class ReplayGainTest : public testing::Test {
protected:
double ratioFromString(const QString& inputValue, bool expectedResult, double expectedValue) {
//qDebug() << "ratioFromString" << inputValue << expectedResult << expectedValue;
bool actualResult;
const double actualValue = mixxx::ReplayGain::ratioFromString(inputValue, &actualResult);
EXPECT_EQ(expectedResult, actualResult);
EXPECT_NEAR(expectedValue, actualValue, 0.005);
return actualResult;
}
void normalizeRatio(double expectedResult) {
const double actualResult = mixxx::ReplayGain::normalizeRatio(expectedResult);
if (mixxx::ReplayGain::isValidRatio(expectedResult)) {
EXPECT_EQ(expectedResult, actualResult);
} else {
EXPECT_EQ(mixxx::ReplayGain::kRatioUndefined, actualResult);
}
}
CSAMPLE peakFromString(const QString& inputValue, bool expectedResult, CSAMPLE expectedValue) {
//qDebug() << "peakFromString" << inputValue << expectedResult << expectedValue;
bool actualResult;
const CSAMPLE actualValue = mixxx::ReplayGain::peakFromString(inputValue, &actualResult);
EXPECT_EQ(expectedResult, actualResult);
EXPECT_FLOAT_EQ(expectedValue, actualValue);
return actualResult;
}
void normalizePeak(CSAMPLE expectedResult) {
const CSAMPLE actualResult = mixxx::ReplayGain::normalizePeak(expectedResult);
if (mixxx::ReplayGain::isValidPeak(expectedResult)) {
EXPECT_EQ(expectedResult, actualResult);
} else {
EXPECT_EQ(mixxx::ReplayGain::kPeakUndefined, actualResult);
}
}
};
TEST_F(ReplayGainTest, hasRatio) {
mixxx::ReplayGain replayGain;
EXPECT_FALSE(replayGain.hasRatio());
replayGain.setRatio(mixxx::ReplayGain::kRatioUndefined);
EXPECT_FALSE(replayGain.hasRatio());
replayGain.setRatio(mixxx::ReplayGain::kRatioMin); // exclusive
EXPECT_FALSE(replayGain.hasRatio());
replayGain.setRatio(mixxx::ReplayGain::kRatio0dB);
EXPECT_TRUE(replayGain.hasRatio());
replayGain.resetRatio();
EXPECT_FALSE(replayGain.hasRatio());
}
TEST_F(ReplayGainTest, hasPeak) {
mixxx::ReplayGain replayGain;
EXPECT_FALSE(replayGain.hasPeak());
replayGain.setPeak(mixxx::ReplayGain::kPeakUndefined);
EXPECT_FALSE(replayGain.hasPeak());
replayGain.setPeak(mixxx::ReplayGain::kPeakMin);
EXPECT_TRUE(replayGain.hasPeak());
replayGain.setPeak(mixxx::ReplayGain::kPeakClip);
EXPECT_TRUE(replayGain.hasPeak());
replayGain.resetPeak();
EXPECT_FALSE(replayGain.hasPeak());
}
TEST_F(ReplayGainTest, RatioFromString0dB) {
ratioFromString("0 dB", true, mixxx::ReplayGain::kRatio0dB);
ratioFromString("0.0dB", true, mixxx::ReplayGain::kRatio0dB);
ratioFromString("0 DB", true, mixxx::ReplayGain::kRatio0dB);
ratioFromString("-0 Db", true, mixxx::ReplayGain::kRatio0dB);
ratioFromString("+0db", true, mixxx::ReplayGain::kRatio0dB);
}
TEST_F(ReplayGainTest, RatioFromStringValidRange) {
for (int replayGainDb = -100; 100 >= replayGainDb; ++replayGainDb) {
const QString inputValues[] = {
QString("%1 ").arg(replayGainDb),
QString(" %1dB ").arg(replayGainDb),
QString(" %1 DB ").arg(replayGainDb),
QString(" %1db ").arg(replayGainDb)
};
const auto expectedValue = static_cast<float>(db2ratio(static_cast<double>(replayGainDb)));
for (size_t i = 0; i < sizeof(inputValues) / sizeof(inputValues[0]); ++i) {
ratioFromString(inputValues[i], true, expectedValue);
if (0 <= replayGainDb) {
ratioFromString(QString(" + ") + inputValues[i], true, expectedValue);
}
}
}
}
TEST_F(ReplayGainTest, RatioFromStringInvalid) {
ratioFromString("", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("abcde", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("0 dBA", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("--2 dB", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("+-2 dB", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("-+2 dB", false, mixxx::ReplayGain::kRatioUndefined);
ratioFromString("++2 dB", false, mixxx::ReplayGain::kRatioUndefined);
}
TEST_F(ReplayGainTest, NormalizeRatio) {
normalizeRatio(mixxx::ReplayGain::kRatioUndefined);
normalizeRatio(mixxx::ReplayGain::kRatioMin);
normalizeRatio(-mixxx::ReplayGain::kRatioMin);
normalizeRatio(mixxx::ReplayGain::kRatio0dB);
normalizeRatio(-mixxx::ReplayGain::kRatio0dB);
}
TEST_F(ReplayGainTest, PeakFromStringValid) {
peakFromString("0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("+0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("-0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("0.0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("+0.0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("-0.0", true, mixxx::ReplayGain::kPeakMin);
peakFromString("1", true, mixxx::ReplayGain::kPeakClip);
peakFromString("+1", true, mixxx::ReplayGain::kPeakClip);
peakFromString("1.0", true, mixxx::ReplayGain::kPeakClip);
peakFromString("+1.0", true, mixxx::ReplayGain::kPeakClip);
peakFromString(" 0.12345 ", true, 0.12345f);
peakFromString(" 1.2345", true, 1.2345f);
}
TEST_F(ReplayGainTest, PeakFromStringInvalid) {
peakFromString("", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("-1", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("-0.12345", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("--1.0", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("+-1.0", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("-+1.0", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("++1.0", false, mixxx::ReplayGain::kPeakUndefined);
peakFromString("+abcde", false, mixxx::ReplayGain::kPeakUndefined);
}
TEST_F(ReplayGainTest, NormalizePeak) {
normalizePeak(mixxx::ReplayGain::kPeakUndefined);
normalizePeak(mixxx::ReplayGain::kPeakMin);
normalizePeak(-mixxx::ReplayGain::kPeakMin);
normalizePeak(mixxx::ReplayGain::kPeakClip);
normalizePeak(-mixxx::ReplayGain::kPeakClip);
normalizePeak(mixxx::ReplayGain::kPeakClip + mixxx::ReplayGain::kPeakClip);
}
class AdjustReplayGainTest : public MockedEngineBackendTest {};
TEST_F(AdjustReplayGainTest, AdjustReplayGainUpdatesPregain) {
// Initialize fake track replaygain so it's not zero.
mixxx::ReplayGain replayGain;
replayGain.setRatio(1.0);
m_pTrack1->setReplayGain(replayGain);
// Load the same track in decks 1 and 2 so we can see that the pregain is adjusted on both
// decks.
m_pMixerDeck2->slotLoadTrack(m_pTrack1, false);
// Because of this artificial process we have to manually set the replaygain CO for the second
// deck.
m_pMixerDeck2->slotSetReplayGain(replayGain);
ControlObject::getControl(ConfigKey(m_sGroup1, "pregain"))->set(1.2);
ControlObject::getControl(ConfigKey(m_sGroup1, "update_replaygain_from_pregain"))->set(1.0);
// The pregain value is folded into the replaygain value, and all pregains for all decks that
// have the same track loaded are adjusted so that the audible volume of the track does not
// change.
EXPECT_DOUBLE_EQ(1.0, ControlObject::getControl(ConfigKey(m_sGroup1, "pregain"))->get());
EXPECT_NEAR(0.83333333,
ControlObject::getControl(ConfigKey(m_sGroup2, "pregain"))->get(),
.005);
EXPECT_DOUBLE_EQ(1.2, ControlObject::getControl(ConfigKey(m_sGroup1, "replaygain"))->get());
EXPECT_DOUBLE_EQ(1.2, ControlObject::getControl(ConfigKey(m_sGroup2, "replaygain"))->get());
EXPECT_DOUBLE_EQ(1.2, m_pTrack1->getReplayGain().getRatio());
}
} // anonymous namespace
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