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track.cpp
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/*
This file is part of Waver
Copyright (C) 2021 Peter Papp
Please visit https://launchpad.net/waver for details
*/
#include "track.h"
Track::Track(TrackInfo trackInfo, PeakCallback::PeakCallbackInfo peakCallbackInfo, DecodingCallback::DecodingCallbackInfo decodingCallbackInfo, QObject *parent) : QObject(parent)
{
decoderThread.setObjectName("decoder");
cacheThread.setObjectName("cache");
analyzerThread.setObjectName("analyzer");
equalizerThread.setObjectName("equalizer");
this->trackInfo = trackInfo;
peakCallbackInfo.trackPointer = static_cast<void *>(this);
decodingCallbackInfo.trackPointer = static_cast<void *>(this);
this->peakCallbackInfo = peakCallbackInfo;
this->decodingCallbackInfo = decodingCallbackInfo;
currentStatus = Idle;
stopping = false;
decodingDone = false;
finishedSent = false;
fadeoutStartedSent = false;
posMilliseconds = 0;
decodingInfoLastSent = 0;
networkStartingLastState = false;
QSettings settings;
fadeDirection = FadeDirectionNone;
shortFadeBeginning = false;
shortFadeEnd = false;
updateFadeoutStartMilliseconds();
fadeTags.append(settings.value("options/fade_tags", DEFAULT_FADE_TAGS).toString().split(","));
skipLongSilence = settings.value("options/skip_long_silence", DEFAULT_SKIP_LONG_SILENCE).toBool();
skipLongSilenceMicroseconds = settings.value("options/skip_long_silence_seconds", DEFAULT_SKIP_LONG_SILENCE_SECONDS).toInt() * USEC_PER_SEC;
desiredPCMFormat.setByteOrder(QSysInfo::ByteOrder == QSysInfo::BigEndian ? QAudioFormat::BigEndian : QAudioFormat::LittleEndian);
desiredPCMFormat.setChannelCount(2);
desiredPCMFormat.setCodec("audio/pcm");
desiredPCMFormat.setSampleRate(44100);
desiredPCMFormat.setSampleSize(16);
desiredPCMFormat.setSampleType(QAudioFormat::SignedInt);
setupDecoder();
setupCache();
setupAnalyzer();
setupEqualizer();
setupOutput();
}
Track::~Track()
{
outputThread.requestInterruption();
outputQueueMutex.lock();
outputQueue.clear();
outputQueueMutex.unlock();
outputThread.quit();
outputThread.wait();
if (soundOutput != nullptr) {
disconnect(soundOutput, &SoundOutput::needChunk, this, &Track::outputNeedChunk);
disconnect(soundOutput, &SoundOutput::positionChanged, this, &Track::outputPositionChanged);
disconnect(soundOutput, &SoundOutput::bufferUnderrun, this, &Track::outputBufferUnderrun);
disconnect(soundOutput, &SoundOutput::error, this, &Track::outputError);
disconnect(this, &Track::chunkAvailableToOutput, soundOutput, &SoundOutput::chunkAvailable);
disconnect(this, &Track::pause, soundOutput, &SoundOutput::pause);
disconnect(this, &Track::resume, soundOutput, &SoundOutput::resume);
delete soundOutput;
}
equalizerThread.requestInterruption();
equalizerThread.quit();
equalizerThread.wait();
if (equalizer != nullptr) {
disconnect(equalizer, &Equalizer::chunkEqualized, this, &Track::pcmChunkFromEqualizer);
disconnect(equalizer, &Equalizer::replayGainChanged, this, &Track::equalizerReplayGainChanged);
disconnect(this, &Track::chunkAvailableToEqualizer, equalizer, &Equalizer::chunkAvailable);
disconnect(this, &Track::updateReplayGain, equalizer, &Equalizer::setReplayGain);
disconnect(this, &Track::playBegins, equalizer, &Equalizer::playBegins);
disconnect(this, &Track::requestReplayGainInfo, equalizer, &Equalizer::requestForReplayGainInfo);
delete equalizer;
}
analyzerThread.requestInterruption();
analyzerThread.quit();
analyzerThread.wait();
if (analyzer != nullptr) {
disconnect(analyzer, &Analyzer::replayGain, this, &Track::analyzerReplayGain);
disconnect(analyzer, &Analyzer::silences, this, &Track::analyzerSilences);
disconnect(this, &Track::bufferAvailableToAnalyzer, analyzer, &Analyzer::bufferAvailable);
disconnect(this, &Track::decoderDone, analyzer, &Analyzer::decoderDone);
disconnect(this, &Track::resetReplayGain, analyzer, &Analyzer::resetReplayGain);
delete analyzer;
}
cacheThread.requestInterruption();
cacheThread.quit();
cacheThread.wait();
if (cache != nullptr) {
disconnect(cache, &PCMCache::pcmChunk, this, &Track::pcmChunkFromCache);
disconnect(cache, &PCMCache::error, this, &Track::cacheError);
disconnect(this, &Track::cacheRequestNextPCMChunk, cache, &PCMCache::requestNextPCMChunk);
disconnect(this, &Track::cacheRequestTimestampPCMChunk, cache, &PCMCache::requestTimestampPCMChunk);
delete cache;
}
decoderThread.requestInterruption();
decoderThread.quit();
decoderThread.wait();
if (decoder != nullptr) {
disconnect(decoder, &DecoderGeneric::bufferAvailable, this, &Track::bufferAvailableFromDecoder);
disconnect(decoder, &DecoderGeneric::networkStarting, this, &Track::decoderNetworkStarting);
disconnect(decoder, &DecoderGeneric::finished, this, &Track::decoderFinished);
disconnect(decoder, &DecoderGeneric::errorMessage, this, &Track::decoderError);
disconnect(this, &Track::startDecode, decoder, &DecoderGeneric::start);
delete decoder;
}
}
void Track::analyzerReplayGain(double replayGain)
{
emit updateReplayGain(replayGain);
}
void Track::analyzerSilences(ReplayGainCalculator::Silences silences)
{
this->silences = silences;
updateFadeoutStartMilliseconds();
}
void Track::applyFade(QByteArray *chunk)
{
double framesPerPercent = static_cast<double>(desiredPCMFormat.framesForDuration(getFadeDurationSeconds(fadeDirection) * 1000000)) / 100;
double framesPerSample = 1.0 / desiredPCMFormat.channelCount();
int dataType = 0;
if (desiredPCMFormat.sampleType() == QAudioFormat::SignedInt) {
if (desiredPCMFormat.sampleSize() == 8) {
dataType = 1;
}
else if (desiredPCMFormat.sampleSize() == 16) {
dataType = 2;
}
else if (desiredPCMFormat.sampleSize() == 32) {
dataType = 3;
}
}
else if (desiredPCMFormat.sampleType() == QAudioFormat::UnSignedInt) {
if (desiredPCMFormat.sampleSize() == 8) {
dataType = 4;
}
else if (desiredPCMFormat.sampleSize() == 16) {
dataType = 5;
}
else if (desiredPCMFormat.sampleSize() == 32) {
dataType = 6;
}
}
qint8 *int8;
qint16 *int16;
qint32 *int32;
quint8 *uint8;
quint16 *uint16;
quint32 *uint32;
// simple linear fade
char *data = chunk->data();
int byteCount = 0;
while (byteCount < chunk->size()) {
if (dataType != 0) {
switch (dataType) {
case 1:
int8 = (qint8 *)data;
*int8 = (fadePercent * *int8) / 100;
data += 1;
byteCount += 1;
break;
case 2:
int16 = (qint16 *)data;
*int16 = (fadePercent * *int16) / 100;
data += 2;
byteCount += 2;
break;
case 3:
int32 = (qint32 *)data;
*int32 = (fadePercent * *int32) / 100;
data += 4;
byteCount += 4;
break;
case 4:
uint8 = (quint8 *)data;
*uint8 = (fadePercent * *uint8) / 100;
data += 1;
byteCount += 1;
break;
case 5:
uint16 = (quint16 *)data;
*uint16 = (fadePercent * *uint16) / 100;
data += 2;
byteCount += 2;
break;
case 6:
uint32 = (quint32 *)data;
*uint32 = (fadePercent * *uint32) / 100;
data += 4;
byteCount += 4;
}
}
else {
byteCount += desiredPCMFormat.sampleSize() / 8;
}
fadeFrameCount += framesPerSample;
if (fadeFrameCount >= framesPerPercent) {
fadeFrameCount = 0;
if ((fadeDirection == FadeDirectionIn) && (fadePercent < 100)) {
fadePercent++;
if (fadePercent == 100) {
fadeDirection = FadeDirectionNone;
}
}
if ((fadeDirection == FadeDirectionOut) && (fadePercent > 0)) {
fadePercent--;
if (fadePercent == 0) {
QTimer::singleShot(soundOutput->remainingMilliseconds() + PCMCache::BUFFER_CREATE_MILLISECONDS, this, SLOT(sendFinished()));
break;
}
}
}
}
}
void Track::artistInfoAdd(QString summary, QString art)
{
trackInfo.artistSummary = summary;
if (!art.isEmpty()) {
QUrl artUrl = QUrl(art);
if (!trackInfo.arts.contains(artUrl)) {
trackInfo.arts.append(artUrl);
}
}
emit trackInfoUpdated(trackInfo.id);
}
void Track::attributeAdd(QString key, QVariant value)
{
trackInfo.attributes.insert(key, value);
}
void Track::attributeRemove(QString key)
{
trackInfo.attributes.remove(key);
}
void Track::bufferAvailableFromDecoder(QAudioBuffer *buffer)
{
if (QDateTime::currentMSecsSinceEpoch() >= (decodingInfoLastSent + DECODING_CB_DELAY_MILLISECONDS)) {
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(decoder->downloadPercent(), decodedPercent(), this);
decodingInfoLastSent = QDateTime::currentMSecsSinceEpoch();
}
cache->storeBuffer(buffer);
analyzerQueueMutex.lock();
analyzerQueue.append(buffer);
analyzerQueueMutex.unlock();
emit bufferAvailableToAnalyzer();
}
void Track::cacheError(QString info, QString errorMessage)
{
emit error(trackInfo.id, info, errorMessage);
}
void Track::changeStatus(Status status)
{
currentStatus = status;
emit statusChanged(trackInfo.id, currentStatus, getStatusText());
}
double Track::decodedPercent()
{
bool isRadio = trackInfo.attributes.contains("radio_station");
qint64 total = isRadio ? cache->mostSize() : getLengthMilliseconds();
if (total <= 0) {
// -1 indicates indeterminate progress
return -1;
}
double percent = static_cast<double>(isRadio ? cache->size() : getDecodedMilliseconds()) / total;
if (percent < 0) {
percent = 0;
}
if (percent > 1) {
percent = 1;
}
return percent;
}
void Track::decoderError(QString info, QString errorMessage)
{
emit error(trackInfo.id, info, errorMessage);
if ((currentStatus == Playing) && ((decoder->getDecodedMicroseconds() / 1000 - 1000) > posMilliseconds)) {
decoderFinished();
return;
}
sendFinished();
}
void Track::decoderFinished()
{
decodingDone = true;
emit decoded(trackInfo.id, decoder->getDecodedMicroseconds() / 1000);
emit decoderDone();
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(decoder->downloadPercent(), decodedPercent(), this);
trackInfo.attributes.insert("lengthMilliseconds", decoder->getDecodedMicroseconds() / 1000);
emit trackInfoUpdated(trackInfo.id);
if ((silences.count() == 0) || (silences.last().type != ReplayGainCalculator::SilenceAtEnd)) {
QTimer::singleShot(100, this, &Track::requestSilencesUpdate);
}
if (currentStatus == Paused) {
emit playPosition(trackInfo.id, true, decoder->getDecodedMicroseconds() / 1000, posMilliseconds);
}
updateFadeoutStartMilliseconds();
}
void Track::decoderSessionExpired()
{
emit sessionExpired(trackInfo.id);
}
void Track::decoderInfo(QString info)
{
emit this->info(trackInfo.id, info);
}
void Track::decoderNetworkStarting(bool starting)
{
networkStartingLastState = starting;
emit networkConnecting(trackInfo.id, starting);
}
void Track::decoderNetworkBufferChanged()
{
if (QDateTime::currentMSecsSinceEpoch() >= (decodingInfoLastSent + DECODING_CB_DELAY_MILLISECONDS)) {
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(decoder->downloadPercent(), decodedPercent(), this);
decodingInfoLastSent = QDateTime::currentMSecsSinceEpoch();
}
}
QString Track::equalizerSettingsPrefix()
{
QString prefix = "eq";
if (trackInfo.attributes.contains("serverSettingsId")) {
QSettings settings;
QString settingsId = trackInfo.attributes.value("serverSettingsId").toString();
QString trackId = trackInfo.id.split("|").at(0).mid(1);
if (settings.contains(QString("%1/track/%2/eq/pre_amp").arg(settingsId, trackId))) {
prefix = QString("%1/track/%2/eq").arg(settingsId, trackId);
}
else if (settings.contains(QString("%1/album/%2/eq/pre_amp").arg(settingsId, trackInfo.albumId))) {
prefix = QString("%1/album/%2/eq").arg(settingsId, trackInfo.albumId);
}
}
return prefix;
}
void Track::equalizerReplayGainChanged(double current)
{
emit replayGainInfo(trackInfo.id, current);
}
qint64 Track::getDecodedMilliseconds()
{
return decoder->getDecodedMicroseconds() / 1000;
}
QVector<double> Track::getEqualizerBandCenterFrequencies()
{
if (equalizer == nullptr) {
return QVector<double>();
}
return equalizer->getBandCenterFrequencies();
}
int Track::getFadeDurationSeconds(FadeDirection fadeDirection)
{
if ((fadeDirection == FadeDirectionIn) && shortFadeBeginning) {
return SHORT_FADE_SECONDS;
}
if ((fadeDirection == FadeDirectionOut) && shortFadeEnd) {
return SHORT_FADE_SECONDS;
}
QSettings settings;
return settings.value("options/fade_seconds", DEFAULT_FADE_SECONDS).toInt();
}
qint64 Track::getLengthMilliseconds()
{
if (decodingDone) {
return decoder->getDecodedMicroseconds() / 1000;
}
if (trackInfo.attributes.contains("lengthMilliseconds")) {
bool OK = false;
int lengthMilliseconds = trackInfo.attributes.value("lengthMilliseconds").toInt(&OK);
if (OK) {
return lengthMilliseconds;
}
}
return 0;
}
bool Track::getNetworkStartingLastState()
{
return networkStartingLastState;
}
qint64 Track::getPlayedMillseconds()
{
return posMilliseconds;
}
Track::Status Track::getStatus()
{
return currentStatus;
}
QString Track::getStatusText()
{
switch (currentStatus) {
case Idle:
return tr("Idle");
case Decoding:
return tr("Decoding");
case Playing:
return tr("Playing");
case Paused:
return tr("Paused");
}
return tr("Stopped");
}
Track::TrackInfo Track::getTrackInfo()
{
return trackInfo;
}
bool Track::isDoFade()
{
if (fadeTags.contains("*")) {
return true;
}
foreach(QString fadeTag, fadeTags) {
if (trackInfo.tags.contains(fadeTag, Qt::CaseInsensitive)) {
return true;
}
}
return false;
}
void Track::optionsUpdated()
{
QSettings settings;
fadeTags.clear();
fadeTags.append(settings.value("options/fade_tags", DEFAULT_FADE_TAGS).toString().split(","));
updateFadeoutStartMilliseconds();
skipLongSilence = settings.value("options/skip_long_silence", DEFAULT_SKIP_LONG_SILENCE).toBool();
skipLongSilenceMicroseconds = settings.value("options/skip_long_silence_seconds", DEFAULT_SKIP_LONG_SILENCE_SECONDS).toInt() * USEC_PER_SEC;
if (equalizer != nullptr) {
QVector<double> gains;
QString prefix = equalizerSettingsPrefix();
gains.append(settings.value(prefix + "/eq1", DEFAULT_EQ1).toDouble());
gains.append(settings.value(prefix + "/eq2", DEFAULT_EQ2).toDouble());
gains.append(settings.value(prefix + "/eq3", DEFAULT_EQ3).toDouble());
gains.append(settings.value(prefix + "/eq4", DEFAULT_EQ4).toDouble());
gains.append(settings.value(prefix + "/eq5", DEFAULT_EQ5).toDouble());
gains.append(settings.value(prefix + "/eq6", DEFAULT_EQ6).toDouble());
gains.append(settings.value(prefix + "/eq7", DEFAULT_EQ7).toDouble());
gains.append(settings.value(prefix + "/eq8", DEFAULT_EQ8).toDouble());
gains.append(settings.value(prefix + "/eq9", DEFAULT_EQ9).toDouble());
gains.append(settings.value(prefix + "/eq10", DEFAULT_EQ10).toDouble());
bool on = settings.value("eq/on", DEFAULT_EQON).toBool();
double preAmp = settings.value(prefix + "/pre_amp", DEFAULT_PREAMP).toDouble();
equalizer->setGains(on, gains, preAmp);
}
if (soundOutput != nullptr) {
soundOutput->wideStereoDelayChanged(settings.value("options/wide_stereo_delay_millisec").toInt());
}
}
void Track::outputNeedChunk()
{
emit cacheRequestNextPCMChunk();
if (equalizerQueue.count() > 0) {
emit chunkAvailableToEqualizer(1);
}
if (outputQueue.size() > 0) {
emit chunkAvailableToOutput();
}
}
void Track::outputBufferUnderrun()
{
if (decodingDone && (posMilliseconds >= (decoder->getDecodedMicroseconds() / 1000 - 1000))) {
sendFinished();
return;
}
emit info(trackInfo.id, tr("Buffer underrun, waiting..."));
decodedMillisecondsAtUnderrun = decoder->getDecodedMicroseconds() / 1000;
posMillisecondsAtUnderrun = posMilliseconds;
QTimer::singleShot(UNDERRUN_DELAY_MILLISECONDS, this, SLOT(underrunTimeout()));
}
void Track::outputError(QString errorMessage)
{
emit error(trackInfo.id, tr("Sound output error"), errorMessage);
sendFinished();
}
void Track::outputPositionChanged(qint64 posMilliseconds)
{
this->posMilliseconds = posMilliseconds;
posMillisecondsAtUnderrun = 0;
emit playPosition(trackInfo.id, decodingDone, getLengthMilliseconds(), posMilliseconds);
if (!decodingDone) {
unsigned long delay = static_cast<unsigned long>(pow(4, log10(qMax(decoder->getDecodedMicroseconds() / 1000 - posMilliseconds, 1ll))));
#ifdef Q_OS_WINDOWS
delay *= 3;
if (trackInfo.attributes.contains("radio_station")) {
delay = qMax(delay, 10000ul);
}
#endif
decoder->setDecodeDelay(delay);
}
while ((radioTitlePositions.size() > 0) && (radioTitlePositions.first().microsecondsTimestamp <= posMilliseconds * 1000)) {
trackInfo.title = radioTitlePositions.first().title;
radioTitlePositions.removeFirst();
emit trackInfoUpdated(trackInfo.id);
emit resetReplayGain();
}
if (decodingDone && (posMilliseconds >= decoder->getDecodedMicroseconds() / 1000 - 50)) {
sendFinished();
return;
}
if ((posMilliseconds >= fadeoutStartMilliseconds) && (fadeDirection == FadeDirectionOut)) {
sendFadeoutStarted();
return;
}
if (skipLongSilence && !trackInfo.attributes.contains("radio_station")) {
foreach(ReplayGainCalculator::SilenceRange silence, silences) {
if ((silence.type == ReplayGainCalculator::SilenceIntermediate) && (silence.endMicroseconds - silence.startMicroseconds >= skipLongSilenceMicroseconds) && (posMilliseconds >= silence.startMicroseconds / 1000 + 2000) && (posMilliseconds <= silence.endMicroseconds / 1000)) {
setPosition(silence.endMicroseconds);
break;
}
}
}
}
void Track::pcmChunkFromCache(QByteArray chunk, qint64 startMicroseconds)
{
QByteArray *copy = new QByteArray(chunk.data(), chunk.size());
equalizerQueueMutex.lock();
equalizerQueue.append({ copy, startMicroseconds });
equalizerQueueMutex.unlock();
emit chunkAvailableToEqualizer(1);
}
void Track::pcmChunkFromEqualizer(TimedChunk chunk)
{
if ((fadeDirection == FadeDirectionNone) && isDoFade() && ((chunk.startMicroseconds + desiredPCMFormat.durationForBytes(chunk.chunkPointer->size())) / 1000 >= fadeoutStartMilliseconds)) {
fadeDirection = FadeDirectionOut;
fadePercent = 100;
fadeFrameCount = 0;
}
if (fadeDirection != FadeDirectionNone) {
applyFade(chunk.chunkPointer);
}
outputQueueMutex.lock();
outputQueue.append(chunk);
outputQueueMutex.unlock();
if (outputThread.isRunning()) {
emit chunkAvailableToOutput();
}
}
void Track::radioTitleCallback(QString title)
{
int decodingCompensation = 2500;
#if defined (Q_OS_WINDOWS)
decodingCompensation *= -1;
#endif
radioTitlePositions.append({ decoder->getDecodedMicroseconds() + decodingCompensation, title });
}
void Track::requestForBufferReplayGainInfo()
{
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(decoder->downloadPercent(), decodedPercent(), this);
emit requestReplayGainInfo();
}
void Track::requestDecodingCallback()
{
double dlp = decoder->downloadPercent();
double dcp = decodedPercent();
if ((dlp > 0) || (dcp > 0)) {
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(dlp, dcp, this);
}
}
void Track::requestSilencesUpdate()
{
if (soundOutput == nullptr) {
return;
}
if ((silences.count() > 0) && (silences.last().type == ReplayGainCalculator::SilenceAtEnd)) {
return;
}
emit requestSilencesFromAnalyzer(true);
}
void Track::sendFadeoutStarted()
{
if (fadeoutStartedSent) {
return;
}
emit fadeoutStarted(trackInfo.id);
fadeoutStartedSent = true;
}
void Track::sendFinished()
{
if (finishedSent) {
return;
}
finishedSent = true;
emit finished(trackInfo.id);
}
void Track::setPosition(qint64 microSecond)
{
if (getStatus() != Playing) {
return;
}
emit pause();
emit resume();
emit cacheRequestTimestampPCMChunk(microSecond / 1000);
}
void Track::setPosition(double percent)
{
if (getStatus() != Playing) {
return;
}
qint64 length = getLengthMilliseconds();
if (length > 0) {
double newPosition = percent * length;
emit pause();
emit resume();
emit cacheRequestTimestampPCMChunk(static_cast<long>(newPosition));
}
}
void Track::setShortFadeBeginning(bool shortFade)
{
shortFadeBeginning = shortFade;
}
void Track::setShortFadeEnd(bool shortFade)
{
shortFadeEnd = shortFade;
if ((silences.count() > 0) && (silences.last().type == ReplayGainCalculator::SilenceAtEnd)) {
fadeoutStartMilliseconds = (silences.last().startMicroseconds / 1000) - ((getFadeDurationSeconds(FadeDirectionOut) + 1) * 1000);
}
else {
#ifdef Q_OS_WIN
fadeoutStartMilliseconds = getLengthMilliseconds() > 0 ? getLengthMilliseconds() - ((getFadeDurationSeconds(FadeDirectionOut) + 1) * 1000) : 10 * 24 * 60 * 60 * 1000;
#elif defined (Q_OS_LINUX)
fadeoutStartMilliseconds = getLengthMilliseconds() > 0 ? getLengthMilliseconds() - ((getFadeDurationSeconds(FadeDirectionOut) + 1) * 1000) : std::numeric_limits<qint64>::max();
#endif
}
}
void Track::setStatus(Status status)
{
if (status == Idle) {
if ((currentStatus == Playing) && !stopping) {
stopping = true;
fadeDirection = FadeDirectionOut;
fadePercent = 100;
fadeFrameCount = 0;
return;
}
if (!stopping) {
sendFinished();
}
return;
}
if ((status == Decoding) && (currentStatus == Idle)) {
analyzerThread.start();
cacheThread.start();
decoderThread.start();
emit startDecode();
changeStatus(Decoding);
return;
}
if ((status == Playing) && (currentStatus == Idle)) {
analyzerThread.start();
equalizerThread.start();
cacheThread.start();
decoderThread.start();
outputThread.start(QThread::HighestPriority);
emit startDecode();
emit playBegins();
if (isDoFade()) {
fadeDirection = FadeDirectionIn;
fadePercent = 0;
fadeFrameCount = 0;
}
if (equalizerQueue.size() > 0) {
emit chunkAvailableToEqualizer(5);
}
if (outputQueue.size() > 0) {
emit chunkAvailableToOutput();
}
changeStatus(Playing);
(decodingCallbackInfo.callbackObject->*decodingCallbackInfo.callbackMethod)(decoder->downloadPercent(), decodedPercent(), this);
return;
}
if ((status == Playing) && (currentStatus == Decoding)) {
equalizerThread.start();
outputThread.start(QThread::HighestPriority);
emit playBegins();
if (isDoFade()) {
fadeDirection = FadeDirectionIn;
fadePercent = 0;
fadeFrameCount = 0;
}
if (equalizerQueue.size() > 0) {
emit chunkAvailableToEqualizer(5);
}
if (outputQueue.size() > 0) {
emit chunkAvailableToOutput();
}
changeStatus(Playing);
return;
}
if ((status == Paused) && (currentStatus == Playing)) {
emit pause();
changeStatus(Paused);
return;
}
if ((status == Playing) && (currentStatus == Paused)) {
if (decodingDone && (posMilliseconds >= decoder->getDecodedMicroseconds() / 1000 - 2500)) {
sendFinished();
return;
}
fadeDirection = FadeDirectionIn;
fadePercent = 0;
fadeFrameCount = 0;
emit resume();
if (equalizerQueue.size() > 0) {
emit chunkAvailableToEqualizer(5);
}
if (outputQueue.size() > 0) {
emit chunkAvailableToOutput();
}
changeStatus(Playing);
return;
}
}
void Track::setupAnalyzer()
{
analyzer = new Analyzer(desiredPCMFormat);
analyzer->setBufferQueue(&analyzerQueue, &analyzerQueueMutex);
analyzer->moveToThread(&analyzerThread);
connect(&analyzerThread, &QThread::started, analyzer, &Analyzer::run);
connect(analyzer, &Analyzer::replayGain, this, &Track::analyzerReplayGain);
connect(analyzer, &Analyzer::silences, this, &Track::analyzerSilences);
connect(this, &Track::bufferAvailableToAnalyzer, analyzer, &Analyzer::bufferAvailable);
connect(this, &Track::decoderDone, analyzer, &Analyzer::decoderDone);
connect(this, &Track::resetReplayGain, analyzer, &Analyzer::resetReplayGain);
connect(this, &Track::requestSilencesFromAnalyzer, analyzer, &Analyzer::silencesRequested);
}
void Track::setupCache()
{
cache = new PCMCache(desiredPCMFormat, getLengthMilliseconds(), trackInfo.attributes.contains("radio_station"));
cache->moveToThread(&cacheThread);
connect(&cacheThread, &QThread::started, cache, &PCMCache::run);
connect(cache, &PCMCache::pcmChunk, this, &Track::pcmChunkFromCache);
connect(cache, &PCMCache::error, this, &Track::cacheError);
connect(this, &Track::cacheRequestNextPCMChunk, cache, &PCMCache::requestNextPCMChunk);
connect(this, &Track::cacheRequestTimestampPCMChunk, cache, &PCMCache::requestTimestampPCMChunk);
}
void Track::setupDecoder()
{
decoder = new DecoderGeneric({ this, (RadioTitleCallback::RadioTitleCallbackPointer)&Track::radioTitleCallback });
qint64 waitUnderBytes = 4096;
#ifdef Q_OS_WINDOWS
waitUnderBytes = 65536;
#endif
decoder->setParameters(trackInfo.url, desiredPCMFormat, waitUnderBytes, trackInfo.attributes.contains("radio_station"), !trackInfo.attributes.contains("radio_station"));
decoder->moveToThread(&decoderThread);
connect(&decoderThread, &QThread::started, decoder, &DecoderGeneric::run);
connect(decoder, &DecoderGeneric::bufferAvailable, this, &Track::bufferAvailableFromDecoder);
connect(decoder, &DecoderGeneric::networkBufferChanged, this, &Track::decoderNetworkBufferChanged);
connect(decoder, &DecoderGeneric::networkStarting, this, &Track::decoderNetworkStarting);
connect(decoder, &DecoderGeneric::finished, this, &Track::decoderFinished);
connect(decoder, &DecoderGeneric::errorMessage, this, &Track::decoderError);
connect(decoder, &DecoderGeneric::infoMessage, this, &Track::decoderInfo);
connect(decoder, &DecoderGeneric::sessionExpired, this, &Track::decoderSessionExpired);
connect(this, &Track::startDecode, decoder, &DecoderGeneric::start);
}
void Track::setupEqualizer()
{
QSettings settings;
QVector<double> gains;
QString prefix = equalizerSettingsPrefix();
gains.append(settings.value(prefix + "/eq1", DEFAULT_EQ1).toDouble());
gains.append(settings.value(prefix + "/eq2", DEFAULT_EQ2).toDouble());
gains.append(settings.value(prefix + "/eq3", DEFAULT_EQ3).toDouble());
gains.append(settings.value(prefix + "/eq4", DEFAULT_EQ4).toDouble());
gains.append(settings.value(prefix + "/eq5", DEFAULT_EQ5).toDouble());
gains.append(settings.value(prefix + "/eq6", DEFAULT_EQ6).toDouble());
gains.append(settings.value(prefix + "/eq7", DEFAULT_EQ7).toDouble());
gains.append(settings.value(prefix + "/eq8", DEFAULT_EQ8).toDouble());
gains.append(settings.value(prefix + "/eq9", DEFAULT_EQ9).toDouble());
gains.append(settings.value(prefix + "/eq10", DEFAULT_EQ10).toDouble());
bool on = settings.value("eq/on", DEFAULT_EQON).toBool();
double preAmp = settings.value(prefix + "/pre_amp", DEFAULT_PREAMP).toDouble();
equalizer = new Equalizer(desiredPCMFormat);