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Track noteoffs

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This commit is contained in:
Paul Ferrand 2020-03-29 13:08:37 +02:00
parent 5ff31ae181
commit 27ceeb8e1a
2 changed files with 14 additions and 5 deletions
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14
src/sfizz/MidiState.cpp
View file

@ -33,6 +33,7 @@ void sfz::MidiState::noteOffEvent(int delay, int noteNumber, float velocity) noe
ASSERT(velocity >= 0.0 && velocity <= 1.0);
UNUSED(velocity);
if (noteNumber >= 0 && noteNumber < 128) {
noteOffTimes[noteNumber] = internalClock + static_cast<unsigned>(delay);
if (activeNotes > 0)
activeNotes--;
}
@ -44,6 +45,7 @@ void sfz::MidiState::setSampleRate(float sampleRate) noexcept
this->sampleRate = sampleRate;
internalClock = 0;
absl::c_fill(noteOnTimes, 0);
absl::c_fill(noteOffTimes, 0);
}
void sfz::MidiState::advanceTime(int numSamples) noexcept
@ -59,13 +61,14 @@ void sfz::MidiState::setSamplesPerBlock(int samplesPerBlock) noexcept
float sfz::MidiState::getNoteDuration(int noteNumber, int delay) const
{
ASSERT(noteNumber >= 0 && noteNumber < 128);
if (noteNumber < 0 || noteNumber >= 128)
return 0.0f;
if (noteNumber >= 0 && noteNumber < 128) {
const unsigned timeInSamples = internalClock + static_cast<unsigned>(delay) - noteOnTimes[noteNumber];
return static_cast<float>(timeInSamples) / sampleRate;
}
if (noteOnTimes[noteNumber] != 0 && noteOffTimes[noteNumber] != 0 && noteOnTimes[noteNumber] > noteOffTimes[noteNumber])
return 0.0f;
return 0.0f;
const unsigned timeInSamples = internalClock + static_cast<unsigned>(delay) - noteOnTimes[noteNumber];
return static_cast<float>(timeInSamples) / sampleRate;
}
float sfz::MidiState::getNoteVelocity(int noteNumber) const noexcept
@ -114,6 +117,7 @@ void sfz::MidiState::reset(int delay) noexcept
activeNotes = 0;
internalClock = 0;
absl::c_fill(noteOnTimes, 0);
absl::c_fill(noteOffTimes, 0);
}
void sfz::MidiState::resetAllControllers(int delay) noexcept

5
src/sfizz/MidiState.h
View file

@ -150,6 +150,11 @@ private:
*
*/
MidiNoteArray<unsigned> noteOnTimes {};
/**
* @brief Stores the note off times.
*
*/
MidiNoteArray<unsigned> noteOffTimes {};
/**
* @brief Stores the velocity of the note ons for currently
* depressed notes.