wheee!

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diff --git a/src/KLV.h b/src/KLV.h
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+/*
+Copyright (c) 2005, John Hurst
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef _KLV_H_
+#define _KLV_H_
+
+#include <FileIO.h>
+#include <MemIO.h>
+
+namespace ASDCP
+{
+  const ui32_t MXF_BER_LENGTH = 4;
+  const ui32_t MXF_TAG_LENGTH = 2;
+  const ui32_t SMPTE_UL_LENGTH = 16;
+  const ui32_t SMPTE_UMID_LENGTH = 32;
+  const byte_t SMPTE_UL_START[4] = { 0x06, 0x0e, 0x2b, 0x34 };
+  const ui32_t MAX_KLV_PACKET_LENGTH = 1024*1024*64;
+
+  const ui32_t IdentBufferLen = 128;
+
+  struct TagValue
+  {
+    byte_t a;
+    byte_t b;
+
+    inline bool operator<(const TagValue& rhs) const {
+      if ( a < rhs.a ) return true;
+      if ( a == rhs.a && b < rhs.b ) return true;
+      return false;
+    }
+
+    inline bool operator==(const TagValue& rhs) const {
+      if ( a != rhs.a ) return false;
+      if ( b != rhs.b ) return false;
+      return true;
+    }
+  };
+
+  //
+  class IArchive
+    {
+    public:
+      virtual ~IArchive() {}
+      virtual Result_t ReadFrom(ASDCP::MemIOReader& Reader) = 0;
+      virtual Result_t WriteTo(ASDCP::MemIOWriter& Writer) = 0;
+    };
+} // namespace ASDCP
+
+#include "Identifier.h"
+
+namespace ASDCP
+{
+  //
+  class IPrimerLookup
+    {
+    public:
+      virtual ~IPrimerLookup() {}
+      virtual void     ClearTagList() = 0;
+      virtual Result_t InsertTag(const ASDCP::UL& Key, ASDCP::TagValue& Tag) = 0;
+      virtual Result_t TagForKey(const ASDCP::UL& Key, ASDCP::TagValue& Tag) = 0;
+    };
+
+  //
+  struct MDDEntry
+  {
+    byte_t        ul[SMPTE_UL_LENGTH];
+    TagValue      tag;
+    bool          optional;
+    const char*   name;
+    const char*   detail;
+  };
+
+  //
+  const MDDEntry* GetMDDEntry(const byte_t*);
+
+  //
+  class KLVPacket
+    {
+      ASDCP_NO_COPY_CONSTRUCT(KLVPacket);
+
+    protected:
+      const byte_t* m_KeyStart;
+      ui32_t        m_KLLength;
+      const byte_t* m_ValueStart;
+      ui32_t        m_ValueLength;
+
+    public:
+      KLVPacket() : m_KeyStart(0), m_KLLength(0), m_ValueStart(0), m_ValueLength(0) {}
+      virtual ~KLVPacket() {}
+
+      ui32_t  PacketLength() {
+	return m_KLLength + m_ValueLength;
+      }
+
+      virtual bool     HasUL(const byte_t*);
+      virtual Result_t InitFromBuffer(const byte_t*, ui32_t);
+      virtual Result_t InitFromBuffer(const byte_t*, ui32_t, const byte_t* label);
+      virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer&, const byte_t* label, ui32_t length);
+      virtual void     Dump(FILE*, bool);
+    };
+
+  //
+  class KLVFilePacket : public KLVPacket
+    {
+      ASDCP_NO_COPY_CONSTRUCT(KLVFilePacket);
+
+    protected:
+      ASDCP::FrameBuffer m_Buffer;
+
+    public:
+      KLVFilePacket() {}
+      virtual ~KLVFilePacket() {}
+
+      virtual Result_t InitFromFile(const FileReader&);
+      virtual Result_t InitFromFile(const FileReader&, const byte_t* label);
+      virtual Result_t WriteKLToFile(FileWriter& Writer, const byte_t* label, ui32_t length);
+    };
+
+} // namespace ASDCP
+
+#endif // _KLV_H_
+
+
+//
+// end KLV.h
+//