Fix the caculation of preDelayFrames in DynamicsCompressorKernel

https://bugs.webkit.org/show_bug.cgi?id=78057

Patch by Raymond Liu <raymond.liu@intel.com> on 2012-02-08
Reviewed by Chris Rogers.

No new tests required.

* platform/audio/DynamicsCompressorKernel.cpp:
(WebCore::DynamicsCompressorKernel::setPreDelayTime):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@107172 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 3271eb4..2f58add 100644 (file)
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,15 @@
+2012-02-08  Raymond Liu  <raymond.liu@intel.com>
+
+        Fix the caculation of preDelayFrames in DynamicsCompressorKernel
+        https://bugs.webkit.org/show_bug.cgi?id=78057
+
+        Reviewed by Chris Rogers.
+
+        No new tests required.
+
+        * platform/audio/DynamicsCompressorKernel.cpp:
+        (WebCore::DynamicsCompressorKernel::setPreDelayTime):
+
 2012-02-08  Adam Klein  <adamk@chromium.org>
 
         DOM mutations should not be delivered on worker threads

diff --git a/Source/WebCore/platform/audio/DynamicsCompressorKernel.cpp b/Source/WebCore/platform/audio/DynamicsCompressorKernel.cpp
index a7a4c12..a322a33 100644 (file)
--- a/Source/WebCore/platform/audio/DynamicsCompressorKernel.cpp
+++ b/Source/WebCore/platform/audio/DynamicsCompressorKernel.cpp
@@ -69,7 +69,7 @@ DynamicsCompressorKernel::DynamicsCompressorKernel(float sampleRate)
 void DynamicsCompressorKernel::setPreDelayTime(float preDelayTime)
 {
     // Re-configure look-ahead section pre-delay if delay time has changed.
-    unsigned preDelayFrames = preDelayTime / sampleRate();
+    unsigned preDelayFrames = preDelayTime * sampleRate();
     if (preDelayFrames > MaxPreDelayFrames - 1)
         preDelayFrames = MaxPreDelayFrames - 1;