1 files changed, 65 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/DataReferenceBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/DataReferenceBox.java
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+++ b/isoparser/src/main/java/com/coremedia/iso/boxes/DataReferenceBox.java
@@ -0,0 +1,65 @@
+/*  
+ * Copyright 2008 CoreMedia AG, Hamburg
+ *
+ * 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 com.coremedia.iso.boxes;
+
+
+import com.coremedia.iso.IsoTypeWriter;
+import com.googlecode.mp4parser.FullContainerBox;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The data reference object contains a table of data references (normally URLs) that declare the location(s) of
+ * the media data used within the presentation. The data reference index in the sample description ties entries in
+ * this table to the samples in the track. A track may be split over several sources in this way.
+ * If the flag is set indicating that the data is in the same file as this box, then no string (not even an empty one)
+ * shall be supplied in the entry field.
+ * The DataEntryBox within the DataReferenceBox shall be either a DataEntryUrnBox or a DataEntryUrlBox.
+ *
+ * @see com.coremedia.iso.boxes.DataEntryUrlBox
+ * @see com.coremedia.iso.boxes.DataEntryUrnBox
+ */
+public class DataReferenceBox extends FullContainerBox {
+
+    public static final String TYPE = "dref";
+
+    public DataReferenceBox() {
+        super(TYPE);
+
+    }
+
+    @Override
+    protected long getContentSize() {
+        return super.getContentSize() + 4;
+    }
+
+    @Override
+    public void _parseDetails(ByteBuffer content) {
+        parseVersionAndFlags(content);
+        content.get(new byte[4]); // basically a skip of 4 bytes signaling the number of child boxes
+        parseChildBoxes(content);
+    }
+
+
+    @Override
+    protected void getContent(ByteBuffer byteBuffer) {
+        writeVersionAndFlags(byteBuffer);
+        IsoTypeWriter.writeUInt32(byteBuffer, getBoxes().size());
+        writeChildBoxes(byteBuffer);
+    }
+
+}