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Changed the width/position process again

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This commit is contained in:
Paul Fd 2020-02-10 21:28:31 +01:00
parent 754a7f8be7
commit 186c4f6b53
1 changed files with 3 additions and 32 deletions
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35
src/sfizz/Voice.cpp
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@ -350,40 +350,11 @@ void sfz::Voice::processStereo(AudioSpan<float> buffer) noexcept
egEnvelope.getBlock(modulationSpan);
buffer.applyGain(modulationSpan);
// Create mid/side from left/right in the output buffer
// Add const aliases to be slightly more readable
const auto leftBufferCopy = tempSpan2.first(numSamples);
copy<float>(leftBuffer, leftBufferCopy);
const auto midBuffer = leftBuffer;
add<float>(rightBuffer, midBuffer);
const auto sideBuffer = rightBuffer;
applyGain<float>(-1.0f, sideBuffer);
add<float>(leftBufferCopy, sideBuffer);
applyGain<float>(sqrtTwoInv<float>, midBuffer);
applyGain<float>(sqrtTwoInv<float>, sideBuffer);
// Apply the width process
// Apply the width/position process
widthEnvelope.getBlock(modulationSpan);
width<float>(modulationSpan, midBuffer, sideBuffer);
// Copy the mid channel into another span
const auto midBufferCopy = tempSpan3.first(numSamples);
copy<float>(midBuffer, midBufferCopy);
width<float>(modulationSpan, leftBuffer, rightBuffer);
positionEnvelope.getBlock(modulationSpan);
pan<float>(modulationSpan, midBuffer, midBufferCopy);
// Rebuild left/right
// Recall that midBuffer and leftBuffer point to the same buffer
add<float>(sideBuffer, leftBuffer);
applyGain(sqrtTwoInv<float>, leftBuffer);
// Recall that sideBuffer and rightBuffer point to the same buffer
applyGain<float>(-1.0f, sideBuffer);
add<float>(midBufferCopy, sideBuffer);
applyGain(sqrtTwoInv<float>, rightBuffer);
pan<float>(modulationSpan, leftBuffer, rightBuffer);
// Filtering and EQ
const float* inputChannels[2] { leftBuffer.data(), rightBuffer.data() };