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#include "engine/channels/enginedeck.h"
#include "control/controlpushbutton.h"
#include "effects/effectsmanager.h"
#include "engine/effects/engineeffectsmanager.h"
#include "engine/enginebuffer.h"
#include "engine/enginepregain.h"
#include "engine/enginevumeter.h"
#include "util/sample.h"
#include "waveform/waveformwidgetfactory.h"
EngineDeck::EngineDeck(const ChannelHandleAndGroup& handle_group,
UserSettingsPointer pConfig,
EngineMaster* pMixingEngine,
EffectsManager* pEffectsManager,
EngineChannel::ChannelOrientation defaultOrientation,
bool primaryDeck)
: EngineChannel(handle_group, defaultOrientation, pEffectsManager,
/*isTalkoverChannel*/ false,
primaryDeck),
m_pConfig(pConfig),
m_pInputConfigured(new ControlObject(ConfigKey(getGroup(), "input_configured"))),
m_pPassing(new ControlPushButton(ConfigKey(getGroup(), "passthrough"))),
// Need a +1 here because the CircularBuffer only allows its size-1
// items to be held at once (it keeps a blank spot open persistently)
m_wasActive(false) {
m_pInputConfigured->setReadOnly();
// Set up passthrough utilities and fields
m_pPassing->setButtonMode(ControlPushButton::POWERWINDOW);
m_bPassthroughIsActive = false;
m_bPassthroughWasActive = false;
// Ensure that input is configured before enabling passthrough
m_pPassing->connectValueChangeRequest(
this,
&EngineDeck::slotPassthroughChangeRequest,
Qt::DirectConnection);
m_pPregain = new EnginePregain(getGroup());
m_pBuffer = new EngineBuffer(getGroup(), pConfig, this, pMixingEngine);
}
EngineDeck::~EngineDeck() {
delete m_pPassing;
delete m_pBuffer;
delete m_pPregain;
}
void EngineDeck::process(CSAMPLE* pOut, const int iBufferSize) {
// Feed the incoming audio through if passthrough is active
const CSAMPLE* sampleBuffer = m_sampleBuffer; // save pointer on stack
if (isPassthroughActive() && sampleBuffer) {
SampleUtil::copy(pOut, sampleBuffer, iBufferSize);
m_bPassthroughWasActive = true;
m_sampleBuffer = NULL;
m_pPregain->setSpeedAndScratching(1, false);
} else {
// If passthrough is no longer enabled, zero out the buffer
if (m_bPassthroughWasActive) {
SampleUtil::clear(pOut, iBufferSize);
m_bPassthroughWasActive = false;
return;
}
// Process the raw audio
m_pBuffer->process(pOut, iBufferSize);
m_pPregain->setSpeedAndScratching(m_pBuffer->getSpeed(), m_pBuffer->getScratching());
m_bPassthroughWasActive = false;
}
// Apply pregain
m_pPregain->process(pOut, iBufferSize);
EngineEffectsManager* pEngineEffectsManager = m_pEffectsManager->getEngineEffectsManager();
if (pEngineEffectsManager != nullptr) {
pEngineEffectsManager->processPreFaderInPlace(
m_group.handle(), m_pEffectsManager->getMasterHandle(),
pOut, iBufferSize, m_pSampleRate->get());
}
// Update VU meter
m_vuMeter.process(pOut, iBufferSize);
}
void EngineDeck::collectFeatures(GroupFeatureState* pGroupFeatures) const {
m_pBuffer->collectFeatures(pGroupFeatures);
m_vuMeter.collectFeatures(pGroupFeatures);
m_pPregain->collectFeatures(pGroupFeatures);
}
void EngineDeck::postProcess(const int iBufferSize) {
m_pBuffer->postProcess(iBufferSize);
}
EngineBuffer* EngineDeck::getEngineBuffer() {
return m_pBuffer;
}
bool EngineDeck::isActive() {
bool active = false;
if (m_bPassthroughWasActive && !m_bPassthroughIsActive) {
active = true;
} else {
active = m_pBuffer->isTrackLoaded() || isPassthroughActive();
}
if (!active && m_wasActive) {
m_vuMeter.reset();
}
m_wasActive = active;
return active;
}
void EngineDeck::receiveBuffer(AudioInput input, const CSAMPLE* pBuffer, unsigned int nFrames) {
Q_UNUSED(input);
Q_UNUSED(nFrames);
// Skip receiving audio input if passthrough is not active
if (!m_bPassthroughIsActive) {
m_sampleBuffer = NULL;
return;
} else {
m_sampleBuffer = pBuffer;
}
}
void EngineDeck::onInputConfigured(AudioInput input) {
if (input.getType() != AudioPath::VINYLCONTROL) {
// This is an error!
qDebug() << "WARNING: EngineDeck connected to AudioInput for a non-vinylcontrol type!";
return;
}
m_pInputConfigured->forceSet(1.0);
m_sampleBuffer = NULL;
}
void EngineDeck::onInputUnconfigured(AudioInput input) {
if (input.getType() != AudioPath::VINYLCONTROL) {
// This is an error!
qDebug() << "WARNING: EngineDeck connected to AudioInput for a non-vinylcontrol type!";
return;
}
m_pInputConfigured->forceSet(0.0);
m_sampleBuffer = NULL;
}
bool EngineDeck::isPassthroughActive() const {
return (m_bPassthroughIsActive && m_sampleBuffer);
}
void EngineDeck::slotPassingToggle(double v) {
m_bPassthroughIsActive = v > 0;
}
void EngineDeck::slotPassthroughChangeRequest(double v) {
if (v <= 0 || m_pInputConfigured->get() > 0) {
m_pPassing->setAndConfirm(v);
// Pass confirmed value to slotPassingToggle. We cannot use the
// valueChanged signal for this, because the change originates from the
// same ControlObject instance.
slotPassingToggle(v);
} else {
emit noPassthroughInputConfigured();
}
}
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