sam/sfizz
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Tracking the phase of the sine directly instead of recomputing it

Browse source
This commit is contained in:
paulfd 2019-08-28 17:23:36 +02:00
parent a885bf0c72
commit 1cd4a95246
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sources/Voice.h
View file

@ -165,9 +165,10 @@ public:
return;
float step = baseFrequency * twoPi<float> / sampleRate;
::linearRamp<float>(tempSpan1.first(buffer.size()), sourcePosition * step, step);
::sin<float>(tempSpan1, buffer.left());
phase = ::linearRamp<float>(tempSpan1, phase, step);
::sin<float>(tempSpan1.first(buffer.size()), buffer.left());
absl::c_copy(buffer.left(), buffer.right().begin());
sourcePosition += buffer.size();
}
@ -238,6 +239,7 @@ private:
float pitchRatio { 1.0 };
float baseGain { 1.0 };
float baseFrequency { 440.0 };
float phase { 0.0f };
uint32_t sourcePosition { 0 };
uint32_t initialDelay { 0 };