feat(vm): add dbgain unit, where gain is defined in decibels

Closes #78
2026-10-01 20:42:01 -04:00 · 2023-10-23 21:57:29 +03:00
parent f698986718
commit 04fbc9f6a7
12 changed files with 146 additions and 25 deletions
@@ -346,6 +346,12 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, t
 					stack[l-2] /= params[0]
 				}
 				stack[l-1] /= params[0]
+			case opDbgain:
+				gain := float32(math.Pow(2, float64(params[0]*2-1)*6.643856189774724))
+				if stereo {
+					stack[l-2] *= gain
+				}
+				stack[l-1] *= gain
 			case opClip:
 				if stereo {
 					stack[l-2] = clip(stack[l-2])