From 002b25991d710d448fb555f3cfec5e476fa7ab1b Mon Sep 17 00:00:00 2001
From: "v.audacity" <v.audacity@47890b92-0858-11df-a26f-8b716316a5bc>
Date: Wed, 11 Jul 2012 04:09:45 +0000
Subject: [PATCH] bug 528
 (http://bugzilla.audacityteam.org/show_bug.cgi?id=528, P2)

modified version of Martyn's patch
---
 src/WaveTrack.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/WaveTrack.cpp b/src/WaveTrack.cpp
index 4b5b32998..85cc08750 100644
--- a/src/WaveTrack.cpp
+++ b/src/WaveTrack.cpp
@@ -1752,15 +1752,15 @@ void WaveTrack::GetEnvelopeValues(double *buffer, int bufferLen,
 
          if (rt0 < clip->GetStartTime())
          {
-            int dx = (int) floor((clip->GetStartTime() - rt0) / tstep + 0.5);
-            rbuf += dx;
-            rlen -= dx;
+            sampleCount start = clip->GetStartSample();
+            rbuf += start;
+            rlen -= start;
             rt0 = clip->GetStartTime();
          }
 
          if (rt0+rlen*tstep > clip->GetEndTime())
          {
-            rlen = (int) ((clip->GetEndTime()-rt0) / tstep);
+            rlen = clip->GetEndSample() - clip->GetStartSample();
          }
          clip->GetEnvelope()->GetValues(rbuf, rlen, rt0, tstep);
       }