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#include "analyzerkey.h"
#include <QtDebug>
#include <QVector>
#include "proto/keys.pb.h"
#include "track/key_preferences.h"
#include "track/keyfactory.h"
using mixxx::track::io::key::ChromaticKey;
using mixxx::track::io::key::ChromaticKey_IsValid;
AnalyzerKey::AnalyzerKey(UserSettingsPointer pConfig)
: m_pConfig(pConfig),
m_pVamp(NULL),
m_iSampleRate(0),
m_iTotalSamples(0),
m_bPreferencesKeyDetectionEnabled(true),
m_bPreferencesFastAnalysisEnabled(false),
m_bPreferencesReanalyzeEnabled(false) {
}
AnalyzerKey::~AnalyzerKey() {
delete m_pVamp;
}
bool AnalyzerKey::initialize(TrackPointer tio, int sampleRate, int totalSamples) {
if (totalSamples == 0) {
return false;
}
m_bPreferencesKeyDetectionEnabled = static_cast<bool>(
m_pConfig->getValueString(
ConfigKey(KEY_CONFIG_KEY, KEY_DETECTION_ENABLED)).toInt());
if (!m_bPreferencesKeyDetectionEnabled) {
qDebug() << "Key detection is deactivated";
return false;
}
m_bPreferencesFastAnalysisEnabled = static_cast<bool>(
m_pConfig->getValueString(
ConfigKey(KEY_CONFIG_KEY, KEY_FAST_ANALYSIS)).toInt());
QString library = m_pConfig->getValueString(
ConfigKey(VAMP_CONFIG_KEY, VAMP_ANALYZER_KEY_LIBRARY),
// TODO(rryan) this default really doesn't belong here.
"libmixxxminimal");
QString pluginID = m_pConfig->getValueString(
ConfigKey(VAMP_CONFIG_KEY, VAMP_ANALYZER_KEY_PLUGIN_ID),
// TODO(rryan) this default really doesn't belong here.
VAMP_ANALYZER_KEY_DEFAULT_PLUGIN_ID);
m_pluginId = pluginID;
m_iSampleRate = sampleRate;
m_iTotalSamples = totalSamples;
// if we can't load a stored track reanalyze it
bool bShouldAnalyze = !loadStored(tio);
if (bShouldAnalyze) {
m_pVamp = new VampAnalyzer();
bShouldAnalyze = m_pVamp->Init(
library, m_pluginId, sampleRate, totalSamples,
m_bPreferencesFastAnalysisEnabled);
if (!bShouldAnalyze) {
delete m_pVamp;
m_pVamp = NULL;
}
}
if (bShouldAnalyze) {
qDebug() << "Key calculation started with plugin" << m_pluginId;
} else {
qDebug() << "Key calculation will not start.";
}
return bShouldAnalyze;
}
bool AnalyzerKey::loadStored(TrackPointer tio) const {
bool bPreferencesFastAnalysisEnabled = static_cast<bool>(
m_pConfig->getValueString(
ConfigKey(KEY_CONFIG_KEY, KEY_FAST_ANALYSIS)).toInt());
QString library = m_pConfig->getValueString(
ConfigKey(VAMP_CONFIG_KEY, VAMP_ANALYZER_KEY_LIBRARY));
QString pluginID = m_pConfig->getValueString(
ConfigKey(VAMP_CONFIG_KEY, VAMP_ANALYZER_KEY_PLUGIN_ID));
// TODO(rryan): This belongs elsewhere.
if (library.isEmpty() || library.isNull())
library = "libmixxxminimal";
// TODO(rryan): This belongs elsewhere.
if (pluginID.isEmpty() || pluginID.isNull())
pluginID = VAMP_ANALYZER_KEY_DEFAULT_PLUGIN_ID;
const Keys& keys = tio->getKeys();
if (keys.isValid()) {
QString version = keys.getVersion();
QString subVersion = keys.getSubVersion();
QHash<QString, QString> extraVersionInfo = getExtraVersionInfo(
pluginID, bPreferencesFastAnalysisEnabled);
QString newVersion = KeyFactory::getPreferredVersion();
QString newSubVersion = KeyFactory::getPreferredSubVersion(extraVersionInfo);
if (version == newVersion && subVersion == newSubVersion) {
// If the version and settings have not changed then if the world is
// sane, re-analyzing will do nothing.
qDebug() << "Keys version/sub-version unchanged since previous analysis. Not analyzing.";
return true;
} else if (m_bPreferencesReanalyzeEnabled) {
return false;
} else {
qDebug() << "Track has previous key detection result that is not up"
<< "to date with latest settings but user preferences"
<< "indicate we should not re-analyze it.";
return true;
}
} else {
// If we got here, we want to analyze this track.
return false;
}
}
void AnalyzerKey::process(const CSAMPLE *pIn, const int iLen) {
if (m_pVamp == NULL)
return;
bool success = m_pVamp->Process(pIn, iLen);
if (!success) {
delete m_pVamp;
m_pVamp = NULL;
}
}
void AnalyzerKey::cleanup(TrackPointer tio) {
Q_UNUSED(tio);
delete m_pVamp;
m_pVamp = NULL;
}
void AnalyzerKey::finalize(TrackPointer tio) {
if (m_pVamp == NULL) {
return;
}
bool success = m_pVamp->End();
qDebug() << "Key Detection" << (success ? "complete" : "failed");
QVector<double> frames = m_pVamp->GetInitFramesVector();
QVector<double> keys = m_pVamp->GetLastValuesVector();
delete m_pVamp;
m_pVamp = NULL;
if (frames.size() == 0 || frames.size() != keys.size()) {
qWarning() << "AnalyzerKey: Key sequence and list of times do not match.";
return;
}
KeyChangeList key_changes;
for (int i = 0; i < keys.size(); ++i) {
if (ChromaticKey_IsValid(keys[i])) {
key_changes.push_back(qMakePair(
// int() intermediate cast required by MSVC.
static_cast<ChromaticKey>(int(keys[i])), frames[i]));
}
}
QHash<QString, QString> extraVersionInfo = getExtraVersionInfo(
m_pluginId, m_bPreferencesFastAnalysisEnabled);
Keys track_keys = KeyFactory::makePreferredKeys(
key_changes, extraVersionInfo,
m_iSampleRate, m_iTotalSamples);
tio->setKeys(track_keys);
}
// static
QHash<QString, QString> AnalyzerKey::getExtraVersionInfo(
QString pluginId, bool bPreferencesFastAnalysis) {
QHash<QString, QString> extraVersionInfo;
extraVersionInfo["vamp_plugin_id"] = pluginId;
if (bPreferencesFastAnalysis) {
extraVersionInfo["fast_analysis"] = "1";
}
return extraVersionInfo;
}
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