public void EnvToSecs(bool sustainIsGain)
{
// EG times need to be converted from timecents to seconds.
// Pin very short EG segments. Timecents don't get to zero, and our EG is
// happier with zero values.
Delay = (Delay < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Delay));
Attack = (Attack < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Attack));
Release = (Release < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Release));
// If we have dynamic hold or decay times depending on key number we need
// to keep the values in timecents so we can calculate it during startNote
if (KeynumToHold == 0)
{
Hold = (Hold < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Hold));
}
if (KeynumToDecay == 0)
{
Decay = (Decay < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Decay));
}
if (Sustain < 0.0f)
{
Sustain = 0.0f;
}
else if (sustainIsGain)
{
Sustain = SynthHelper.DecibelsToGain(-Sustain / 10.0f);
}
else
{
Sustain = 1.0f - (Sustain / 1000.0f);
}
}
public void CalcPitchRatio(float pitchShift, float outSampleRate)
{
var note = PlayingKey + Region.Transpose + Region.Tune / 100.0;
var adjustedPitch = Region.PitchKeyCenter + (note - Region.PitchKeyCenter) * (Region.PitchKeyTrack / 100.0);
if (pitchShift != 0)
{
adjustedPitch += pitchShift;
}
PitchInputTimecents = adjustedPitch * 100.0;
PitchOutputFactor = Region.SampleRate / (SynthHelper.Timecents2Secs(Region.PitchKeyCenter * 100.0) * outSampleRate);
}
public void Setup(
Envelope newParameters,
int midiNoteNumber,
int midiVelocity,
bool isAmpEnv,
float outSampleRate)
{
Parameters = new Envelope(newParameters);
if (Parameters.KeynumToHold > 0)
{
Parameters.Hold += Parameters.KeynumToHold * (60.0f - midiNoteNumber);
Parameters.Hold = Parameters.Hold < -10000.0f ? 0.0f : SynthHelper.Timecents2Secs(Parameters.Hold);
}
if (Parameters.KeynumToDecay > 0)
{
Parameters.Decay += Parameters.KeynumToDecay * (60.0f - midiNoteNumber);
Parameters.Decay = Parameters.Decay < -10000.0f ? 0.0f : SynthHelper.Timecents2Secs(Parameters.Decay);
}
MidiVelocity = (short)midiVelocity;
IsAmpEnv = isAmpEnv;
NextSegment(VoiceEnvelopeSegment.None, outSampleRate);
}
