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diff --git a/debian/mp4v2/mp4v2-2.0.0~dfsg0/src/mp4descriptor.h b/debian/mp4v2/mp4v2-2.0.0~dfsg0/src/mp4descriptor.h
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+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is MPEG4IP.
+ *
+ * The Initial Developer of the Original Code is Cisco Systems Inc.
+ * Portions created by Cisco Systems Inc. are
+ * Copyright (C) Cisco Systems Inc. 2001.  All Rights Reserved.
+ *
+ * Contributor(s):
+ *      Dave Mackie     dmackie@cisco.com
+ */
+
+#ifndef MP4V2_IMPL_MP4DESCRIPTOR_H
+#define MP4V2_IMPL_MP4DESCRIPTOR_H
+
+namespace mp4v2 {
+namespace impl {
+
+///////////////////////////////////////////////////////////////////////////////
+
+class MP4Descriptor {
+public:
+    MP4Descriptor(MP4Atom& parentAtom, uint8_t tag = 0);
+
+    virtual ~MP4Descriptor();
+
+    uint8_t GetTag() {
+        return m_tag;
+    }
+    void SetTag(uint8_t tag) {
+        m_tag = tag;
+    }
+
+    void AddProperty(MP4Property* pProperty);
+
+    virtual void Generate();
+    virtual void Read(MP4File& file);
+    virtual void Write(MP4File& file);
+    virtual void Dump(uint8_t indent, bool dumpImplicits);
+
+    MP4Property* GetProperty(uint32_t index) {
+        return m_pProperties[index];
+    }
+
+    // use with extreme caution
+    void SetProperty(uint32_t index, MP4Property* pProperty) {
+        m_pProperties[index] = pProperty;
+    }
+
+    bool FindProperty( const char* name, MP4Property** ppProperty,
+                       uint32_t* pIndex = NULL)
+    {
+        return FindContainedProperty(name, ppProperty, pIndex);
+    }
+
+    void WriteToMemory(MP4File& file,
+                       uint8_t** ppBytes, uint64_t* pNumBytes);
+
+protected:
+    void SetReadMutate(uint32_t propIndex) {
+        m_readMutatePoint = propIndex;
+    }
+
+    void ReadHeader(MP4File& file);
+    void ReadProperties(MP4File& file,
+                        uint32_t startIndex = 0, uint32_t count = 0xFFFFFFFF);
+
+    virtual void Mutate() {
+        // default is a no-op
+    };
+
+    bool FindContainedProperty(const char* name,
+                               MP4Property** ppProperty, uint32_t* pIndex);
+
+    uint8_t GetDepth();
+
+protected:
+    MP4Atom&            m_parentAtom;
+    uint8_t             m_tag;
+    uint64_t            m_start;
+    uint32_t            m_size;
+    MP4PropertyArray    m_pProperties;
+    uint32_t            m_readMutatePoint;
+private:
+    MP4Descriptor();
+    MP4Descriptor ( const MP4Descriptor &src );
+    MP4Descriptor &operator= ( const MP4Descriptor &src );
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+}
+} // namespace mp4v2::impl
+
+#endif // MP4V2_IMPL_MP4DESCRIPTOR_H