From 4e8508b8a3b3c41ea5d6f4dfe2dffe4fad868b4b Mon Sep 17 00:00:00 2001
From: Garrett <g@floft.net>
Date: Sun, 9 Nov 2014 22:41:46 -0800
Subject: [PATCH] Exponential decay for release instead of linear

It now sounds much more like the release in Linux Sampler.
---
 plugins/GigPlayer/GigPlayer.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/plugins/GigPlayer/GigPlayer.cpp b/plugins/GigPlayer/GigPlayer.cpp
index f678bf7bc..0e6a97a99 100644
--- a/plugins/GigPlayer/GigPlayer.cpp
+++ b/plugins/GigPlayer/GigPlayer.cpp
@@ -1204,7 +1204,15 @@ double ADSR::value()
 	{
 		if( releasePosition < releaseLength )
 		{
-			amplitude = sustain * ( 1.0 - 1.0 / releaseLength * releasePosition );
+			// Maybe not the best way of doing this, but it appears to be about right
+			amplitude = sustain * exp( -5.0 / releaseLength * releasePosition ) - 1e-5;
+
+			// Don't have an infinite exponential decay
+			if( amplitude < 0 )
+			{
+				amplitude = 0;
+				isDone = true;
+			}
 		}
 		else
 		{