//==============================================================================
void dRowTremoloEditorComponent::updateParametersFromFilter()
{
dRowTremoloFilter* const filter = getFilter();
// we use this lock to make sure the processBlock() method isn't writing to the
// lastMidiMessage variable while we're trying to read it, but be extra-careful to
// only hold the lock for a minimum amount of time..
filter->getCallbackLock().enter();
// take a local copy of the info we need while we've got the lock..
const AudioPlayHead::CurrentPositionInfo positionInfo (filter->lastPosInfo);
const float newGain = filter->getParameter (TremoloInterface::Parameters::Gain);
const float newRate = filter->getParameter (TremoloInterface::Parameters::Rate);
const float newTremDepth = filter->getParameter (TremoloInterface::Parameters::Depth);
// ..release the lock ASAP
filter->getCallbackLock().exit();
// ..and after releasing the lock, we're free to do the time-consuming UI stuff..
String infoText;
infoText << String (positionInfo.bpm, 2) << T(" bpm, ")
<< positionInfo.timeSigNumerator << T("/") << positionInfo.timeSigDenominator
<< T(" - ") << timeToTimecodeString (positionInfo.timeInSeconds)
<< T(" - ") << ppqToBarsBeatsString (positionInfo.ppqPosition,
positionInfo.ppqPositionOfLastBarStart,
positionInfo.timeSigNumerator,
positionInfo.timeSigDenominator);
if (positionInfo.isPlaying)
infoText << T(" (playing)");
infoLabel->setText (infoText, false);
/* Update our slider.
(note that it's important here to tell the slider not to send a change
message, because that would cause it to call the filter with a parameter
change message again, and the values would drift out.
*/
gainSlider->setValue (newGain, false);
rateSlider->setValue (newRate, false);
depthSlider->setValue (newTremDepth, false);
setSize (filter->lastUIWidth,
filter->lastUIHeight);
}
// Updates the text in our position label.
void JuceDemoPluginAudioProcessorEditor::displayPositionInfo (const AudioPlayHead::CurrentPositionInfo& pos)
{
lastDisplayedPosition = pos;
String displayText;
displayText.preallocateBytes (128);
displayText << String (pos.bpm, 2) << " bpm, "
<< pos.timeSigNumerator << '/' << pos.timeSigDenominator
<< " - " << timeToTimecodeString (pos.timeInSeconds)
<< " - " << ppqToBarsBeatsString (pos.ppqPosition, pos.ppqPositionOfLastBarStart,
pos.timeSigNumerator, pos.timeSigDenominator);
if (pos.isRecording)
displayText << " (recording)";
else if (pos.isPlaying)
displayText << " (playing)";
infoLabel.setText (displayText, false);
}
// Updates the text in our position label.
void SignalProcessorAudioProcessorEditor::displayPositionInfo (const AudioPlayHead::CurrentPositionInfo& pos)
{
lastDisplayedPosition = pos;
String displayText;
displayText.preallocateBytes (128);
displayText << String (pos.bpm, 2) << " bpm, "
<< pos.timeSigNumerator << '/' << pos.timeSigDenominator
<< " - " << timeToTimecodeString (pos.timeInSeconds)
<< " - " << ppqToBarsBeatsString (pos.ppqPosition, pos.ppqPositionOfLastBarStart,
pos.timeSigNumerator, pos.timeSigDenominator);
if (pos.isRecording)
displayText << " (recording)";
else if (pos.isPlaying)
displayText << " (playing)";
infoLabel.setText ("[" + SystemStats::getJUCEVersion() + "] " + displayText, dontSendNotification);
}
// Updates the text in our position label.
void JuceDemoPluginAudioProcessorEditor::updateTimecodeDisplay (AudioPlayHead::CurrentPositionInfo pos)
{
MemoryOutputStream displayText;
displayText << "[" << SystemStats::getJUCEVersion() << "] "
<< String (pos.bpm, 2) << " bpm, "
<< pos.timeSigNumerator << '/' << pos.timeSigDenominator
<< " - " << timeToTimecodeString (pos.timeInSeconds)
<< " - " << quarterNotePositionToBarsBeatsString (pos.ppqPosition,
pos.timeSigNumerator,
pos.timeSigDenominator);
if (pos.isRecording)
displayText << " (recording)";
else if (pos.isPlaying)
displayText << " (playing)";
timecodeDisplayLabel.setText (displayText.toString(), dontSendNotification);
}