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diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleTableBox.java.svn-base b/isoparser/src/main/java/com/coremedia/iso/boxes/.svn/text-base/SampleTableBox.java.svn-base
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+/*  
+ * 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.googlecode.mp4parser.AbstractContainerBox;
+
+/**
+ * The sample table contains all the time and data indexing of the media samples in a track. Using the tables
+ * here, it is possible to locate samples in time, determine their type (e.g. I-frame or not), and determine their
+ * size, container, and offset into that container.  <br>
+ * If the track that contains the Sample Table Box references no data, then the Sample Table Box does not need
+ * to contain any sub-boxes (this is not a very useful media track).                                          <br>
+ * If the track that the Sample Table Box is contained in does reference data, then the following sub-boxes are
+ * required: Sample Description, Sample Size, Sample To Chunk, and Chunk Offset. Further, the Sample
+ * Description Box shall contain at least one entry. A Sample Description Box is required because it contains the
+ * data reference index field which indicates which Data Reference Box to use to retrieve the media samples.
+ * Without the Sample Description, it is not possible to determine where the media samples are stored. The Sync
+ * Sample Box is optional. If the Sync Sample Box is not present, all samples are sync samples.<br>
+ * Annex A provides a narrative description of random access using the structures defined in the Sample Table
+ * Box.
+ */
+public class SampleTableBox extends AbstractContainerBox {
+    public static final String TYPE = "stbl";
+
+    public SampleTableBox() {
+        super(TYPE);
+    }
+
+    public SampleDescriptionBox getSampleDescriptionBox() {
+        for (Box box : boxes) {
+            if (box instanceof SampleDescriptionBox) {
+                return (SampleDescriptionBox) box;
+            }
+        }
+        return null;
+    }
+
+    public SampleSizeBox getSampleSizeBox() {
+        for (Box box : boxes) {
+            if (box instanceof SampleSizeBox) {
+                return (SampleSizeBox) box;
+            }
+        }
+        return null;
+    }
+
+    public SampleToChunkBox getSampleToChunkBox() {
+        for (Box box : boxes) {
+            if (box instanceof SampleToChunkBox) {
+                return (SampleToChunkBox) box;
+            }
+        }
+        return null;
+    }
+
+    public ChunkOffsetBox getChunkOffsetBox() {
+        for (Box box : boxes) {
+            if (box instanceof ChunkOffsetBox) {
+                return (ChunkOffsetBox) box;
+            }
+        }
+        return null;
+    }
+
+    public void setChunkOffsetBox(ChunkOffsetBox b) {
+        for (int i = 0; i < boxes.size(); i++) {
+            Box box = boxes.get(i);
+            if (box instanceof ChunkOffsetBox) {
+                boxes.set(i, b);
+            }
+        }
+    }
+
+    public TimeToSampleBox getTimeToSampleBox() {
+        for (Box box : boxes) {
+            if (box instanceof TimeToSampleBox) {
+                return (TimeToSampleBox) box;
+            }
+        }
+        return null;
+    }
+
+    public SyncSampleBox getSyncSampleBox() {
+        for (Box box : boxes) {
+            if (box instanceof SyncSampleBox) {
+                return (SyncSampleBox) box;
+            }
+        }
+        return null;
+    }
+
+    public CompositionTimeToSample getCompositionTimeToSample() {
+        for (Box box : boxes) {
+            if (box instanceof CompositionTimeToSample) {
+                return (CompositionTimeToSample) box;
+            }
+        }
+        return null;
+    }
+
+    public SampleDependencyTypeBox getSampleDependencyTypeBox() {
+        for (Box box : boxes) {
+            if (box instanceof SampleDependencyTypeBox) {
+                return (SampleDependencyTypeBox) box;
+            }
+        }
+        return null;
+    }
+
+}