Improves memory management

Also adds some debugging tracking tools.

bug:10112287

Change-Id: I3f9b3d173db99818e5c9ae9a62b0ec38cd2b341b

1 files changed, 9 insertions, 4 deletions

diff --git a/src/com/android/gallery3d/filtershow/pipeline/SharedBuffer.java b/src/com/android/gallery3d/filtershow/pipeline/SharedBuffer.java
index 871e4cd6c..267315ccd 100644
--- a/src/com/android/gallery3d/filtershow/pipeline/SharedBuffer.java
+++ b/src/com/android/gallery3d/filtershow/pipeline/SharedBuffer.java
@@ -30,15 +30,20 @@ public class SharedBuffer {
     private volatile boolean mNeedsRepaint = true;
 
     public void setProducer(Bitmap producer) {
+        removeProducer();
+        Buffer buffer = new Buffer(producer);
+        synchronized (this) {
+            mProducer = buffer;
+        }
+    }
+
+    public void removeProducer() {
         synchronized (this) {
             if (mProducer != null) {
                 mProducer.remove();
+                mProducer = null;
             }
         }
-        Buffer buffer = new Buffer(producer);
-        synchronized (this) {
-            mProducer = buffer;
-        }
     }
 
     public synchronized Buffer getProducer() {