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The voice state matches its envelope release state

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This commit is contained in:
Paul Ferrand 2020-02-18 14:44:48 +01:00
parent e1c6c6c3de
commit 87c3cfaced
3 changed files with 21 additions and 14 deletions
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13
src/sfizz/ADSREnvelope.cpp
View file

@ -205,9 +205,15 @@ void ADSREnvelope<Type>::getBlock(absl::Span<Type> output) noexcept
}
}
template <class Type>
bool ADSREnvelope<Type>::isSmoothing() noexcept
bool ADSREnvelope<Type>::isSmoothing() const noexcept
{
return currentState != State::Done;
return (currentState != State::Done);
}
template <class Type>
bool ADSREnvelope<Type>::isReleased() const noexcept
{
return (currentState == State::Release);
}
template <class Type>
@ -222,6 +228,9 @@ void ADSREnvelope<Type>::startRelease(int releaseDelay, bool fastRelease) noexce
shouldRelease = true;
this->releaseDelay = releaseDelay;
if (releaseDelay == 0)
currentState = State::Release;
if (fastRelease)
this->release = 0;
}

9
src/sfizz/ADSREnvelope.h
View file

@ -58,7 +58,14 @@ public:
* @return true
* @return false
*/
bool isSmoothing() noexcept;
bool isSmoothing() const noexcept;
/**
* @brief Is the envelope released?
*
* @return true
* @return false
*/
bool isReleased() const noexcept;
/**
* @brief Get the remaining delay samples
*

13
src/sfizz/Voice.cpp
View file

@ -125,7 +125,6 @@ void sfz::Voice::release(int delay, bool fastRelease) noexcept
if (egEnvelope.getRemainingDelay() > std::max(0, delay - initialDelay)) {
reset();
} else {
state = State::release;
egEnvelope.startRelease(delay, fastRelease);
}
}
@ -382,8 +381,6 @@ void sfz::Voice::fillWithData(AudioSpan<float> buffer) noexcept
sfzInterpolationCast<float>(jumps, indices, leftCoeffs, rightCoeffs);
add<int>(sourcePosition, indices);
absl::optional<int> releaseAt {};
if (region->shouldLoop() && region->loopEnd(currentPromise->oversamplingFactor) <= source.getNumFrames()) {
const auto loopEnd = static_cast<int>(region->loopEnd(currentPromise->oversamplingFactor));
const auto offset = loopEnd - static_cast<int>(region->loopStart(currentPromise->oversamplingFactor)) + 1;
@ -400,7 +397,7 @@ void sfz::Voice::fillWithData(AudioSpan<float> buffer) noexcept
) - 2;
for (auto* index = indices.begin(); index < indices.end(); ++index) {
if (*index >= sampleEnd) {
releaseAt = static_cast<int>(std::distance(indices.begin(), index));
release(static_cast<int>(std::distance(indices.begin(), index)));
const auto remainingElements = static_cast<size_t>(std::distance(index, indices.end()));
if (source.getNumFrames() - 1 < region->trueSampleEnd(currentPromise->oversamplingFactor)) {
DBG("[sfizz] Underflow: source available samples "
@ -438,12 +435,6 @@ void sfz::Voice::fillWithData(AudioSpan<float> buffer) noexcept
sourcePosition = indices.back();
floatPositionOffset = rightCoeffs.back();
if (state != State::release && releaseAt) {
release(*releaseAt);
// TODO: not needed probably
buffer.subspan(*releaseAt).fill(0.0f);
}
}
void sfz::Voice::fillWithGenerator(AudioSpan<float> buffer) noexcept
@ -535,7 +526,7 @@ float sfz::Voice::getMeanSquaredAverage() const noexcept
bool sfz::Voice::canBeStolen() const noexcept
{
return state == State::release;
return state == State::idle || egEnvelope.isReleased();
}
uint32_t sfz::Voice::getSourcePosition() const noexcept