1 files changed, 121 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/SampleSizeBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/SampleSizeBox.java
new file mode 100644
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+++ b/isoparser/src/main/java/com/coremedia/iso/boxes/SampleSizeBox.java
@@ -0,0 +1,121 @@
+/*  
+ * 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.IsoTypeReader;
+import com.coremedia.iso.IsoTypeWriter;
+import com.googlecode.mp4parser.AbstractFullBox;
+
+import java.nio.ByteBuffer;
+
+import static com.googlecode.mp4parser.util.CastUtils.l2i;
+
+/**
+ * This box containes the sample count and a table giving the size in bytes of each sample.
+ * Defined in ISO/IEC 14496-12.
+ */
+public class SampleSizeBox extends AbstractFullBox {
+    private long sampleSize;
+    private long[] sampleSizes = new long[0];
+    public static final String TYPE = "stsz";
+    int sampleCount;
+
+    public SampleSizeBox() {
+        super(TYPE);
+    }
+
+    /**
+     * Returns the field sample size.
+     * If sampleSize > 0 every sample has the same size.
+     * If sampleSize == 0 the samples have different size as stated in the sampleSizes field.
+     *
+     * @return the sampleSize field
+     */
+    public long getSampleSize() {
+        return sampleSize;
+    }
+
+    public void setSampleSize(long sampleSize) {
+        this.sampleSize = sampleSize;
+    }
+
+
+    public long getSampleSizeAtIndex(int index) {
+        if (sampleSize > 0) {
+            return sampleSize;
+        } else {
+            return sampleSizes[index];
+        }
+    }
+
+    public long getSampleCount() {
+        if (sampleSize > 0) {
+            return sampleCount;
+        } else {
+            return sampleSizes.length;
+        }
+
+    }
+
+    public long[] getSampleSizes() {
+        return sampleSizes;
+    }
+
+    public void setSampleSizes(long[] sampleSizes) {
+        this.sampleSizes = sampleSizes;
+    }
+
+    protected long getContentSize() {
+        return 12 + (sampleSize == 0 ? sampleSizes.length * 4 : 0);
+    }
+
+    @Override
+    public void _parseDetails(ByteBuffer content) {
+        parseVersionAndFlags(content);
+        sampleSize = IsoTypeReader.readUInt32(content);
+        sampleCount = l2i(IsoTypeReader.readUInt32(content));
+
+        if (sampleSize == 0) {
+            sampleSizes = new long[(int) sampleCount];
+
+            for (int i = 0; i < sampleCount; i++) {
+                sampleSizes[i] = IsoTypeReader.readUInt32(content);
+            }
+        }
+    }
+
+    @Override
+    protected void getContent(ByteBuffer byteBuffer) {
+        writeVersionAndFlags(byteBuffer);
+        IsoTypeWriter.writeUInt32(byteBuffer, sampleSize);
+
+        if (sampleSize == 0) {
+            IsoTypeWriter.writeUInt32(byteBuffer, sampleSizes.length);
+            for (long sampleSize1 : sampleSizes) {
+                IsoTypeWriter.writeUInt32(byteBuffer, sampleSize1);
+            }
+        } else {
+            IsoTypeWriter.writeUInt32(byteBuffer, sampleCount);
+        }
+
+    }
+
+    public String toString() {
+        return "SampleSizeBox[sampleSize=" + getSampleSize() + ";sampleCount=" + getSampleCount() + "]";
+    }
+}