1 files changed, 64 insertions, 0 deletions
diff --git a/media/mca/filterpacks/java/android/filterpacks/base/FrameFetch.java b/media/mca/filterpacks/java/android/filterpacks/base/FrameFetch.java
new file mode 100644
index 0000000..518b837
--- /dev/null
+++ b/media/mca/filterpacks/java/android/filterpacks/base/FrameFetch.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package android.filterpacks.base;
+
+import android.filterfw.core.Filter;
+import android.filterfw.core.FilterContext;
+import android.filterfw.core.Frame;
+import android.filterfw.core.FrameFormat;
+import android.filterfw.core.GenerateFieldPort;
+import android.filterfw.core.GenerateFinalPort;
+
+import android.util.Log;
+
+/**
+ * @hide
+ */
+public class FrameFetch extends Filter {
+
+    @GenerateFinalPort(name = "format", hasDefault = true)
+    private FrameFormat mFormat;
+
+    @GenerateFieldPort(name = "key")
+    private String mKey;
+
+    @GenerateFieldPort(name = "repeatFrame", hasDefault = true)
+    private boolean mRepeatFrame = false;
+
+    public FrameFetch(String name) {
+        super(name);
+    }
+
+    @Override
+    public void setupPorts() {
+        addOutputPort("frame", mFormat == null ? FrameFormat.unspecified() : mFormat);
+    }
+
+    public void process(FilterContext context) {
+        Frame output = context.fetchFrame(mKey);
+        if (output != null) {
+            pushOutput("frame", output);
+            if (!mRepeatFrame) {
+                closeOutputPort("frame");
+            }
+        } else {
+            delayNextProcess(250);
+        }
+    }
+
+}