void TCompGuiButton::Released()
{
if (checkEnabled()) {
if (render_state >= RSTATE_RELEASED) {
ChangeState(STRING(Actioned));
}
}
}
void Logging::perror(const char* prefix)
{
int rc = errno; // backup errno, in case it gets overridden until we actually read it.
if (!checkEnabled())
return;
printf(SD_ERR "%s: %s: %s\n", prefix_.c_str(), prefix, strerror(rc));
}
void TCompGuiDrag::Enabled()
{
if (checkEnabled()) {
if (checkOver() && !controller->IsGuiItemDragged()) {
ChangeState(STRING(Over));
notifyOver(true);
}
else render_state = RSTATE_ENABLED;
}
}
void TCompGuiButton::Enabled()
{
//checkOver --> Over
if (checkEnabled()) {
if (checkOver()) {
ChangeState(STRING(Over));
render_state_target = RSTATE_OVER;
notifyOver(true);
}
else render_state_target = RSTATE_ENABLED;
}
}
void TCompGuiDrag::Clicked()
{
if (checkEnabled()) {
if (controller->IsGuiItemDragged()) {
render_state = RSTATE_OVER;
updateDrag();
}
else {
notifyValue();
SetDragState(Over);
}
}
}
void TCompGuiButton::Clicked()
{
if (checkEnabled()) {
if (!checkOver()) {
ChangeState(STRING(Enabled));
render_state_target = RSTATE_ENABLED;
notifyOver(false);
}
else if (checkReleased()) {
setReleased();
//logic_manager->throwEvent(CLogicManagerModule::EVENT::OnClicked, MY_NAME, MY_OWNER);
}
}
}
void Logging::error(const char* fmt, ...)
{
if (!checkEnabled())
return;
char buf[1024];
va_list va;
va_start(va, fmt);
vsnprintf(buf, sizeof(buf), fmt, va);
va_end(va);
printf(SD_ERR "%s: %s\n", prefix_.c_str(), buf);
}
void Logging::debug(const char *fmt, ...)
{
if (!checkEnabled())
return;
char buf[1024];
va_list va;
va_start(va, fmt);
vsnprintf(buf, sizeof(buf), fmt, va);
va_end(va);
fprintf(stdout, SD_DEBUG "%s: %s\n", prefix_.c_str(), buf);
fflush(stdout);
}
void TCompGuiButton::Over()
{
if (checkEnabled()) {
if (!checkOver()) {
ChangeState(STRING(Enabled));
render_state_target = RSTATE_ENABLED;
notifyOver(false);
}
else if (checkClicked()) {
ChangeState(STRING(Clicked));
render_state = RSTATE_OVER;
render_state_target = RSTATE_CLICKED;
logic_manager->throwEvent(CLogicManagerModule::EVENT::OnButtonPressed, MY_NAME, MY_OWNER);
}
}
}
void ServiceManager::ProgramInit(QString chroot, QString IP)
{
// Set any warden stuff
wDir = chroot;
wIP = IP;
listServices->setColumnHidden(0, true);
listServices->setColumnHidden(1, true);
pushStart->setEnabled(FALSE);
pushStop->setEnabled(FALSE);
pushRestart->setEnabled(FALSE);
pushEnableStartup->setEnabled(FALSE);
pushDisableStartup->setEnabled(FALSE);
// Connect the buttons
connect( pushStart, SIGNAL( clicked() ), this, SLOT( startSlot() ) );
connect( pushStop, SIGNAL( clicked() ), this, SLOT( stopSlot() ) );
connect( pushRestart, SIGNAL( clicked() ), this, SLOT( restartSlot() ) );
connect( pushEnableStartup, SIGNAL( clicked() ), this, SLOT( enableSlot() ) );
connect( pushDisableStartup, SIGNAL( clicked() ), this, SLOT( disableSlot() ) );
// Connect the list box
connect( listServices, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT( listSelectionChanged() ) );
// Start loading the various service files
populateList();
// Start checking the status of these services
currentCheckRunningItem = new QTreeWidgetItemIterator(listServices);
checkRunning();
// Start checking if services are enabled
checkEnabled();
if ( ! wDir.isEmpty() )
textTopLabel->setText(tr("Managing services for Warden IP:") + " " + wIP);
}
void TCompGuiDrag::Over()
{
if (checkEnabled()) {
if (checkOver()) {
if (controller->IsGuiItemDragged()) {
SetDragState(Clicked);
}
else render_state = RSTATE_OVER;
if (controller->IsLeftPressed()) {
SetValue(value - 0.1f);
notifyValue();
}
else if (controller->IsRightPressed()) {
SetValue(value + 0.1f);
notifyValue();
}
}
else {
ChangeState(STRING(Enabled));
notifyOver(false);
}
}
}
void VinylControlXwax::analyzeSamples(CSAMPLE* pSamples, size_t nFrames) {
ScopedTimer t("VinylControlXwax::analyzeSamples");
CSAMPLE gain = m_pVinylControlInputGain->get();
const int kChannels = 2;
// We only support amplifying with the VC pre-amp.
if (gain < 1.0f) {
gain = 1.0f;
}
size_t samplesSize = nFrames * kChannels;
if (samplesSize > m_workBufferSize) {
delete [] m_pWorkBuffer;
m_pWorkBuffer = new short[samplesSize];
m_workBufferSize = samplesSize;
}
// Convert CSAMPLE samples to shorts, preventing overflow.
for (int i = 0; i < static_cast<int>(samplesSize); ++i) {
CSAMPLE sample = pSamples[i] * gain * SAMPLE_MAX;
if (sample > SAMPLE_MAX) {
m_pWorkBuffer[i] = SAMPLE_MAX;
} else if (sample < SAMPLE_MIN) {
m_pWorkBuffer[i] = SAMPLE_MIN;
} else {
m_pWorkBuffer[i] = static_cast<short>(sample);
}
}
// Submit the samples to the xwax timecode processor. The size argument is
// in stereo frames.
timecoder_submit(&timecoder, m_pWorkBuffer, nFrames);
bool bHaveSignal = fabs(pSamples[0]) + fabs(pSamples[1]) > kMinSignal;
//qDebug() << "signal?" << bHaveSignal;
//TODO: Move all these config object get*() calls to an "updatePrefs()" function,
// and make that get called when any options get changed in the preferences dialog, rather than
// polling everytime we get a buffer.
// Check if vinyl control is enabled...
m_bIsEnabled = enabled == NULL ? false : checkEnabled(m_bIsEnabled, enabled->get());
if(bHaveSignal) {
// Always analyze the input samples
m_iPosition = timecoder_get_position(&timecoder, NULL);
//Notify the UI if the timecode quality is good
establishQuality(m_iPosition != -1);
}
//are we even playing and enabled at all?
if (!m_bIsEnabled)
return;
double dVinylPitch = timecoder_get_pitch(&timecoder);
// Has a new track been loaded? Currently we use track duration which is
// integer seconds in the song. However, for calculations we need the
// higher-accuracy duration found by dividing the track samples by the
// samplerate.
// TODO(XXX): we should really sync on all track changes
// TODO(rryan): Should we calculate the true duration to check if it
// changed? It's just an extra division by trackSampleRate.
double duration_inaccurate = duration->get();
if (duration_inaccurate != m_dOldDurationInaccurate) {
m_bForceResync = true;
m_bTrackSelectMode = false; //just in case
m_dOldDurationInaccurate = duration_inaccurate;
m_dOldDuration = trackSamples->get() / 2 / trackSampleRate->get();
// we were at record end, so turn it off and restore mode
if(m_bAtRecordEnd) {
disableRecordEndMode();
if (m_iOldVCMode == MIXXX_VCMODE_CONSTANT)
m_iVCMode = MIXXX_VCMODE_RELATIVE;
else
m_iVCMode = m_iOldVCMode;
}
}
// make sure m_dVinylPosition only has good values
if (m_iPosition != -1) {
m_dVinylPosition = static_cast<double>(m_iPosition) / 1000.0 - m_iLeadInTime;
}
// Initialize drift control to zero in case we don't get any position data
// to calculate it with.
double dDriftControl = 0.0;
// Get the playback position in the file in seconds.
double filePosition = playPos->get() * m_dOldDuration;
int reportedMode = mode->get();
bool reportedPlayButton = playButton->get();
if (m_iVCMode != reportedMode) {
//if we are playing, don't allow change
//to absolute mode (would cause sudden track skip)
if (reportedPlayButton && reportedMode == MIXXX_VCMODE_ABSOLUTE) {
m_iVCMode = MIXXX_VCMODE_RELATIVE;
mode->slotSet((double)m_iVCMode);
} else {
// go ahead and switch
m_iVCMode = reportedMode;
if (reportedMode == MIXXX_VCMODE_ABSOLUTE) {
m_bForceResync = true;
}
}
//if we are out of error mode...
if (vinylStatus->get() == VINYL_STATUS_ERROR &&
m_iVCMode == MIXXX_VCMODE_RELATIVE) {
vinylStatus->slotSet(VINYL_STATUS_OK);
}
}
//if looping has been enabled, don't allow absolute mode
if (loopEnabled->get() && m_iVCMode == MIXXX_VCMODE_ABSOLUTE) {
m_iVCMode = MIXXX_VCMODE_RELATIVE;
mode->slotSet((double)m_iVCMode);
}
// Don't allow cueing mode to be enabled in absolute mode.
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
cueing->get() != MIXXX_RELATIVE_CUE_OFF) {
cueing->set(MIXXX_RELATIVE_CUE_OFF);
}
//are we newly playing near the end of the record? (in absolute mode, this happens
//when the filepos is past safe (more accurate),
//but it can also happen in relative mode if the vinylpos is nearing the end
//If so, change to constant mode so DJ can move the needle safely
if (!m_bAtRecordEnd && reportedPlayButton) {
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
(filePosition + m_iLeadInTime) * 1000.0 > m_uiSafeZone &&
!m_bForceResync) {
// corner case: we are waiting for resync so don't enable just yet
enableRecordEndMode();
} else if (m_iVCMode != MIXXX_VCMODE_ABSOLUTE &&
m_iPosition != -1 &&
m_iPosition > static_cast<int>(m_uiSafeZone)) {
enableRecordEndMode();
}
}
if (m_bAtRecordEnd) {
//if m_bAtRecordEnd was true, maybe it no longer applies:
if (!reportedPlayButton) {
//if we turned off play button, also disable
disableRecordEndMode();
} else if (m_iPosition != -1 &&
m_iPosition <= static_cast<int>(m_uiSafeZone) &&
m_dVinylPosition > 0 &&
checkSteadyPitch(dVinylPitch, filePosition) > 0.5) {
//if good position, and safe, and not in leadin, and steady,
//disable
disableRecordEndMode();
}
if (m_bAtRecordEnd) {
//ok, it's still valid, blink
if ((reportedPlayButton && (int)(filePosition * 2.0) % 2) ||
(!reportedPlayButton && (int)(m_iPosition / 500.0) % 2))
vinylStatus->slotSet(VINYL_STATUS_WARNING);
else
vinylStatus->slotSet(VINYL_STATUS_DISABLED);
}
}
//check here for position > safe, and if no record end mode,
//then trigger track selection mode. just pass position to it
//and ignore pitch
if (!m_bAtRecordEnd) {
if (m_iPosition != -1 && m_iPosition > static_cast<int>(m_uiSafeZone)) {
//only enable if pitch is steady, though. Heavy scratching can
//produce crazy results and trigger this mode
if (m_bTrackSelectMode || checkSteadyPitch(dVinylPitch, filePosition) > 0.1) {
//until I can figure out how to detect "track 2" on serato CD,
//don't try track selection
if (!m_bCDControl) {
if (!m_bTrackSelectMode) {
qDebug() << "position greater than safe, select mode" << m_iPosition << m_uiSafeZone;
m_bTrackSelectMode = true;
togglePlayButton(false);
resetSteadyPitch(0.0, 0.0);
controlScratch->slotSet(0.0);
}
doTrackSelection(true, dVinylPitch, m_iPosition);
}
//hm I wonder if track will keep playing while this happens?
//not sure what we want to do here... probably enforce
//stopped deck.
//but if constant mode... nah, force stop.
return;
}
//if it's not steady yet we process as normal
} else {
//so we're not unsafe.... but
//if no position, but we were in select mode, do select mode
if (m_iPosition == -1 && m_bTrackSelectMode) {
//qDebug() << "no position, but were in select mode";
doTrackSelection(false, dVinylPitch, m_iPosition);
//again, force stop?
return;
} else if (m_bTrackSelectMode) {
//qDebug() << "discontinuing select mode, selecting track";
if (m_pControlTrackLoader == NULL)
m_pControlTrackLoader = new ControlObjectThread(m_group,"LoadSelectedTrack");
if (!m_pControlTrackLoader) {
qDebug() << "ERROR: couldn't get track loading object?";
} else {
m_pControlTrackLoader->slotSet(1.0);
m_pControlTrackLoader->slotSet(0.0); //I think I have to do this...
}
//if position is known and safe then no track select mode
m_bTrackSelectMode = false;
}
}
}
if (m_iVCMode == MIXXX_VCMODE_CONSTANT) {
//when we enabled constant mode we set the rate slider
//now we just either set scratch val to 0 (stops playback)
//or 1 (plays back at that rate)
double newScratch = reportedPlayButton ? rateDir->get() *
(rateSlider->get() * rateRange->get()) + 1.0 : 0.0;
controlScratch->slotSet(newScratch);
//is there any reason we'd need to do anything else?
return;
}
//CONSTANT MODE NO LONGER APPLIES...
// When there's a timecode signal available
// This is set when we analyze samples (no need for lock I think)
if(bHaveSignal) {
//POSITION: MAYBE PITCH: YES
//We have pitch, but not position. so okay signal but not great (scratching / cueing?)
//qDebug() << "Pitch" << dVinylPitch;
if (m_iPosition != -1) {
//POSITION: YES PITCH: YES
//add a value to the pitch ring (for averaging / smoothing the pitch)
//qDebug() << fabs(((m_dVinylPosition - m_dVinylPositionOld) * (dVinylPitch / fabs(dVinylPitch))));
//save the absolute amount of drift for when we need to estimate vinyl position
m_dDriftAmt = m_dVinylPosition - filePosition;
//qDebug() << "drift" << m_dDriftAmt;
if (m_bForceResync) {
//if forceresync was set but we're no longer absolute,
//it no longer applies
//if we're in relative mode then we'll do a sync
//because it might select a cue
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE ||
(m_iVCMode == MIXXX_VCMODE_RELATIVE && cueing->get())) {
syncPosition();
resetSteadyPitch(dVinylPitch, m_dVinylPosition);
}
m_bForceResync = false;
} else if (fabs(m_dVinylPosition - filePosition) > 0.1 &&
m_dVinylPosition < -2.0) {
//At first I thought it was a bug to resync to leadin in relative mode,
//but after using it that way it's actually pretty convenient.
//qDebug() << "Vinyl leadin";
syncPosition();
resetSteadyPitch(dVinylPitch, m_dVinylPosition);
if (uiUpdateTime(filePosition))
rateSlider->slotSet(rateDir->get() * (fabs(dVinylPitch) - 1.0) / rateRange->get());
} else if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
(fabs(m_dVinylPosition - m_dVinylPositionOld) >= 5.0)) {
//If the position from the timecode is more than a few seconds off, resync the position.
//qDebug() << "resync position (>15.0 sec)";
//qDebug() << m_dVinylPosition << m_dVinylPositionOld << m_dVinylPosition - m_dVinylPositionOld;
syncPosition();
resetSteadyPitch(dVinylPitch, m_dVinylPosition);
} else if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE && m_bCDControl &&
fabs(m_dVinylPosition - m_dVinylPositionOld) >= 0.1) {
//qDebug() << "CDJ resync position (>0.1 sec)";
syncPosition();
resetSteadyPitch(dVinylPitch, m_dVinylPosition);
} else if (playPos->get() >= 1.0 && dVinylPitch > 0) {
//end of track, force stop
togglePlayButton(false);
resetSteadyPitch(0.0, 0.0);
controlScratch->slotSet(0.0);
m_iPitchRingPos = 0;
m_iPitchRingFilled = 0;
return;
} else {
togglePlayButton(checkSteadyPitch(dVinylPitch, filePosition) > 0.5);
}
// Calculate how much the vinyl's position has drifted from it's timecode and compensate for it.
// (This is caused by the manufacturing process of the vinyl.)
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
fabs(m_dDriftAmt) > 0.1 && fabs(m_dDriftAmt) < 5.0) {
dDriftControl = m_dDriftAmt * .01;
} else {
dDriftControl = 0.0;
}
m_dVinylPositionOld = m_dVinylPosition;
} else {
//POSITION: NO PITCH: YES
//if we don't have valid position, we're not playing so reset time to current
//estimate vinyl position
if (playPos->get() >= 1.0 && dVinylPitch > 0) {
//end of track, force stop
togglePlayButton(false);
resetSteadyPitch(0.0, 0.0);
controlScratch->slotSet(0.0);
m_iPitchRingPos = 0;
m_iPitchRingFilled = 0;
return;
}
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
fabs(dVinylPitch) < 0.05 &&
fabs(m_dDriftAmt) >= 0.3) {
//qDebug() << "slow, out of sync, syncing position";
syncPosition();
}
m_dVinylPositionOld = filePosition + m_dDriftAmt;
if (dVinylPitch > 0.2) {
togglePlayButton(checkSteadyPitch(dVinylPitch, filePosition) > 0.5);
}
}
//playbutton status may have changed
reportedPlayButton = playButton->get();
if (reportedPlayButton) {
// Only add to the ring if pitch is stable
m_pPitchRing[m_iPitchRingPos] = dVinylPitch;
if (m_iPitchRingFilled < m_iPitchRingSize) {
m_iPitchRingFilled++;
}
m_iPitchRingPos = (m_iPitchRingPos + 1) % m_iPitchRingSize;
} else {
// Reset ring if pitch isn't steady
m_iPitchRingPos = 0;
m_iPitchRingFilled = 0;
}
//only smooth when we have good position (no smoothing for scratching)
double averagePitch = 0.0;
if (m_iPosition != -1 && reportedPlayButton) {
for (int i = 0; i < m_iPitchRingFilled; ++i) {
averagePitch += m_pPitchRing[i];
}
averagePitch /= m_iPitchRingFilled;
// Round out some of the noise
averagePitch = round(averagePitch * 10000.0);
averagePitch /= 10000.0;
} else {
averagePitch = dVinylPitch;
}
controlScratch->slotSet(averagePitch + dDriftControl);
if (m_iPosition != -1 && reportedPlayButton && uiUpdateTime(filePosition)) {
double true_pitch = averagePitch + dDriftControl;
double pitch_difference = true_pitch - m_dDisplayPitch;
// The true pitch can show a misleading amount of variance --
// differences of .1% or less can show up as 1 or 2 bpm changes.
// Therefore we react slowly to bpm changes to show a more steady
// number to the user.
if (fabs(pitch_difference) > 0.5) {
// For large changes in pitch (start/stop, usually), immediately
// update the display.
m_dDisplayPitch = true_pitch;
} else if (fabs(pitch_difference) > 0.005) {
// For medium changes in pitch, take 4 callback loops to
// converge on the correct amount.
m_dDisplayPitch += pitch_difference * .25;
} else {
// For extremely small changes, converge very slowly.
m_dDisplayPitch += pitch_difference * .01;
}
rateSlider->slotSet(rateDir->get() * (m_dDisplayPitch - 1.0) / rateRange->get());
m_dUiUpdateTime = filePosition;
}
m_dOldFilePos = filePosition;
} else {
// No pitch data available (the needle is up/stopped.... or *really*
// crappy signal)
//POSITION: NO PITCH: NO
//if it's been a long time, we're stopped.
//if it hasn't been long,
//let the track play a wee bit more before deciding we've stopped
rateSlider->slotSet(0.0);
if (m_iVCMode == MIXXX_VCMODE_ABSOLUTE &&
fabs(m_dVinylPosition - filePosition) >= 0.1) {
//qDebug() << "stopped, out of sync, syncing position";
syncPosition();
}
if(fabs(filePosition - m_dOldFilePos) >= 0.1 ||
filePosition == m_dOldFilePos) {
//We are not playing any more
togglePlayButton(false);
resetSteadyPitch(0.0, 0.0);
controlScratch->slotSet(0.0);
//resetSteadyPitch(dVinylPitch, filePosition);
// Notify the UI that the timecode quality is garbage/missing.
m_fTimecodeQuality = 0.0f;
m_iPitchRingPos = 0;
m_iPitchRingFilled = 0;
m_iQualPos = 0;
m_iQualFilled = 0;
m_bForceResync = true;
vinylStatus->slotSet(VINYL_STATUS_OK);
}
}
}
