I hate win32
[asdcplib.git] / src / Metadata.cpp
index b597303daec56cb42f047c51b7e5586451a8e1dd..aeedbde87cde8bc1dc2ffb7b694558eda1e4a5b6 100755 (executable)
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2005-2006, John Hurst
+Copyright (c) 2005-2009, John Hurst
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -30,133 +30,81 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 
+#include <KM_mutex.h>
 #include "Metadata.h"
-#include "MDD.h"
-#include "Mutex.h"
-#include "hex_utils.h"
 
+using namespace ASDCP;
+using namespace ASDCP::MXF;
+
+const ui32_t kl_length = ASDCP::SMPTE_UL_LENGTH + ASDCP::MXF_BER_LENGTH;
 
 //------------------------------------------------------------------------------------------
 
-//
-enum FLT_t
-  {
-    FLT_Preface,
-    FLT_IndexTableSegment,
-    FLT_Identification,
-    FLT_ContentStorage,
-    FLT_MaterialPackage,
-    FLT_SourcePackage,
-    FLT_Track,
-    FLT_Sequence,
-    FLT_SourceClip,
-    FLT_TimecodeComponent,
-    FLT_FileDescriptor,
-    FLT_GenericSoundEssenceDescriptor,
-    FLT_WaveAudioDescriptor,
-    FLT_GenericPictureEssenceDescriptor,
-    FLT_RGBAEssenceDescriptor,
-    FLT_JPEG2000PictureSubDescriptor,
-    FLT_CDCIEssenceDescriptor,
-    FLT_MPEG2VideoDescriptor,
-    FLT_CryptographicFramework,
-    FLT_CryptographicContext,
-  };
-
-//
-typedef std::map<ASDCP::UL, FLT_t>::iterator FLi_t;
-
-class FactoryList : public std::map<ASDCP::UL, FLT_t>
-{
-  ASDCP::Mutex m_Lock;
-
-public:
-  FactoryList() {}
-  ~FactoryList() {}
-
-  bool Empty() {
-    ASDCP::AutoMutex BlockLock(m_Lock);
-    return empty();
-  }
-
-  FLi_t Find(const byte_t* label) {
-    ASDCP::AutoMutex BlockLock(m_Lock);
-    return find(label);
-  }
-
-  FLi_t End() {
-    ASDCP::AutoMutex BlockLock(m_Lock);
-    return end();
-  }
-
-};
-
-//
-static FactoryList s_FactoryList;
-
-//
-ASDCP::MXF::InterchangeObject*
-ASDCP::MXF::CreateObject(const byte_t* label)
-{
-  if ( label == 0 )
-    return 0;
-
-  if ( s_FactoryList.empty() )
-    {
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_Preface].ul, FLT_Preface));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_IndexTableSegment].ul, FLT_IndexTableSegment));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_Identification].ul, FLT_Identification));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_ContentStorage].ul, FLT_ContentStorage));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_MaterialPackage].ul, FLT_MaterialPackage));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_SourcePackage].ul, FLT_SourcePackage));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_Track].ul, FLT_Track));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_Sequence].ul, FLT_Sequence));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_SourceClip].ul, FLT_SourceClip));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_TimecodeComponent].ul, FLT_TimecodeComponent));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_FileDescriptor].ul, FLT_FileDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_GenericSoundEssenceDescriptor].ul, FLT_GenericSoundEssenceDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_WaveAudioDescriptor].ul, FLT_WaveAudioDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_GenericPictureEssenceDescriptor].ul, FLT_GenericPictureEssenceDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_RGBAEssenceDescriptor].ul, FLT_RGBAEssenceDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_JPEG2000PictureSubDescriptor].ul, FLT_JPEG2000PictureSubDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_CDCIEssenceDescriptor].ul, FLT_CDCIEssenceDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_MPEG2VideoDescriptor].ul, FLT_MPEG2VideoDescriptor));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_CryptographicFramework].ul, FLT_CryptographicFramework));
-      s_FactoryList.insert(FactoryList::value_type(s_MDD_Table[MDDindex_CryptographicContext].ul, FLT_CryptographicContext));
-    }
-
-  FLi_t i = s_FactoryList.find(label);
-
-  if ( i == s_FactoryList.end() )
-    return new InterchangeObject;
-
-  switch ( i->second )
-    {
-      case FLT_Preface: return new Preface;
-      case FLT_IndexTableSegment: return new IndexTableSegment;
-      case FLT_Identification: return new Identification;
-      case FLT_ContentStorage: return new ContentStorage;
-      case FLT_MaterialPackage: return new MaterialPackage;
-      case FLT_SourcePackage: return new SourcePackage;
-      case FLT_Track: return new Track;
-      case FLT_Sequence: return new Sequence;
-      case FLT_SourceClip: return new SourceClip;
-      case FLT_TimecodeComponent: return new TimecodeComponent;
-      case FLT_FileDescriptor: return new FileDescriptor;
-      case FLT_GenericSoundEssenceDescriptor: return new GenericSoundEssenceDescriptor;
-      case FLT_WaveAudioDescriptor: return new WaveAudioDescriptor;
-      case FLT_GenericPictureEssenceDescriptor: return new GenericPictureEssenceDescriptor;
-      case FLT_RGBAEssenceDescriptor: return new RGBAEssenceDescriptor;
-      case FLT_JPEG2000PictureSubDescriptor: return new JPEG2000PictureSubDescriptor;
-      case FLT_CDCIEssenceDescriptor: return new CDCIEssenceDescriptor;
-      case FLT_MPEG2VideoDescriptor: return new MPEG2VideoDescriptor;
-      case FLT_CryptographicFramework: return new CryptographicFramework;
-      case FLT_CryptographicContext: return new CryptographicContext;
-    }
-  
-  return new InterchangeObject;
-}
+static InterchangeObject* Preface_Factory(const Dictionary*& Dict) { return new Preface(Dict); }
+static InterchangeObject* IndexTableSegment_Factory(const Dictionary*& Dict) { return new IndexTableSegment(Dict); }
+
+static InterchangeObject* Identification_Factory(const Dictionary*& Dict) { return new Identification(Dict); }
+static InterchangeObject* ContentStorage_Factory(const Dictionary*& Dict) { return new ContentStorage(Dict); }
+static InterchangeObject* EssenceContainerData_Factory(const Dictionary*& Dict) { return new EssenceContainerData(Dict); }
+static InterchangeObject* MaterialPackage_Factory(const Dictionary*& Dict) { return new MaterialPackage(Dict); }
+static InterchangeObject* SourcePackage_Factory(const Dictionary*& Dict) { return new SourcePackage(Dict); }
+static InterchangeObject* StaticTrack_Factory(const Dictionary*& Dict) { return new StaticTrack(Dict); }
+static InterchangeObject* Track_Factory(const Dictionary*& Dict) { return new Track(Dict); }
+static InterchangeObject* Sequence_Factory(const Dictionary*& Dict) { return new Sequence(Dict); }
+static InterchangeObject* SourceClip_Factory(const Dictionary*& Dict) { return new SourceClip(Dict); }
+static InterchangeObject* TimecodeComponent_Factory(const Dictionary*& Dict) { return new TimecodeComponent(Dict); }
+static InterchangeObject* FileDescriptor_Factory(const Dictionary*& Dict) { return new FileDescriptor(Dict); }
+static InterchangeObject* GenericSoundEssenceDescriptor_Factory(const Dictionary*& Dict) { return new GenericSoundEssenceDescriptor(Dict); }
+static InterchangeObject* WaveAudioDescriptor_Factory(const Dictionary*& Dict) { return new WaveAudioDescriptor(Dict); }
+static InterchangeObject* GenericPictureEssenceDescriptor_Factory(const Dictionary*& Dict) { return new GenericPictureEssenceDescriptor(Dict); }
+static InterchangeObject* RGBAEssenceDescriptor_Factory(const Dictionary*& Dict) { return new RGBAEssenceDescriptor(Dict); }
+static InterchangeObject* JPEG2000PictureSubDescriptor_Factory(const Dictionary*& Dict) { return new JPEG2000PictureSubDescriptor(Dict); }
+static InterchangeObject* CDCIEssenceDescriptor_Factory(const Dictionary*& Dict) { return new CDCIEssenceDescriptor(Dict); }
+static InterchangeObject* MPEG2VideoDescriptor_Factory(const Dictionary*& Dict) { return new MPEG2VideoDescriptor(Dict); }
+static InterchangeObject* DMSegment_Factory(const Dictionary*& Dict) { return new DMSegment(Dict); }
+static InterchangeObject* CryptographicFramework_Factory(const Dictionary*& Dict) { return new CryptographicFramework(Dict); }
+static InterchangeObject* CryptographicContext_Factory(const Dictionary*& Dict) { return new CryptographicContext(Dict); }
+static InterchangeObject* GenericDataEssenceDescriptor_Factory(const Dictionary*& Dict) { return new GenericDataEssenceDescriptor(Dict); }
+static InterchangeObject* TimedTextDescriptor_Factory(const Dictionary*& Dict) { return new TimedTextDescriptor(Dict); }
+static InterchangeObject* TimedTextResourceSubDescriptor_Factory(const Dictionary*& Dict) { return new TimedTextResourceSubDescriptor(Dict); }
+static InterchangeObject* StereoscopicPictureSubDescriptor_Factory(const Dictionary*& Dict) { return new StereoscopicPictureSubDescriptor(Dict); }
+static InterchangeObject* NetworkLocator_Factory(const Dictionary*& Dict) { return new NetworkLocator(Dict); }
+
 
+void
+ASDCP::MXF::Metadata_InitTypes(const Dictionary*& Dict)
+{
+  assert(Dict);
+  SetObjectFactory(Dict->ul(MDD_Preface), Preface_Factory);
+  SetObjectFactory(Dict->ul(MDD_IndexTableSegment), IndexTableSegment_Factory);
+
+  SetObjectFactory(Dict->ul(MDD_Identification), Identification_Factory);
+  SetObjectFactory(Dict->ul(MDD_ContentStorage), ContentStorage_Factory);
+  SetObjectFactory(Dict->ul(MDD_EssenceContainerData), EssenceContainerData_Factory);
+  SetObjectFactory(Dict->ul(MDD_MaterialPackage), MaterialPackage_Factory);
+  SetObjectFactory(Dict->ul(MDD_SourcePackage), SourcePackage_Factory);
+  SetObjectFactory(Dict->ul(MDD_StaticTrack), StaticTrack_Factory);
+  SetObjectFactory(Dict->ul(MDD_Track), Track_Factory);
+  SetObjectFactory(Dict->ul(MDD_Sequence), Sequence_Factory);
+  SetObjectFactory(Dict->ul(MDD_SourceClip), SourceClip_Factory);
+  SetObjectFactory(Dict->ul(MDD_TimecodeComponent), TimecodeComponent_Factory);
+  SetObjectFactory(Dict->ul(MDD_FileDescriptor), FileDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_GenericSoundEssenceDescriptor), GenericSoundEssenceDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_WaveAudioDescriptor), WaveAudioDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_GenericPictureEssenceDescriptor), GenericPictureEssenceDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_RGBAEssenceDescriptor), RGBAEssenceDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_JPEG2000PictureSubDescriptor), JPEG2000PictureSubDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_CDCIEssenceDescriptor), CDCIEssenceDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_MPEG2VideoDescriptor), MPEG2VideoDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_DMSegment), DMSegment_Factory);
+  SetObjectFactory(Dict->ul(MDD_CryptographicFramework), CryptographicFramework_Factory);
+  SetObjectFactory(Dict->ul(MDD_CryptographicContext), CryptographicContext_Factory);
+  SetObjectFactory(Dict->ul(MDD_GenericDataEssenceDescriptor), GenericDataEssenceDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_TimedTextDescriptor), TimedTextDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_TimedTextResourceSubDescriptor), TimedTextResourceSubDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_StereoscopicPictureSubDescriptor), StereoscopicPictureSubDescriptor_Factory);
+  SetObjectFactory(Dict->ul(MDD_NetworkLocator), NetworkLocator_Factory);
+}
 
 //------------------------------------------------------------------------------------------
 // KLV Sets
@@ -168,24 +116,43 @@ ASDCP::MXF::CreateObject(const byte_t* label)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Identification::InitFromTLVSet(TLVReader& TLVSet)
+Identification::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ThisGenerationUID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, CompanyName));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ProductName));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi16(OBJ_READ_ARGS(Identification, ProductVersion));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ProductVersion));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, VersionString));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ProductUID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ModificationDate));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi16(OBJ_READ_ARGS(Identification, ToolkitVersion));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, ToolkitVersion));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Identification, Platform));
   return result;
 }
 
+//
+ASDCP::Result_t
+Identification::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ThisGenerationUID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, CompanyName));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ProductName));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ProductVersion));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, VersionString));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ProductUID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ModificationDate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, ToolkitVersion));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Identification, Platform));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::Identification::Dump(FILE* stream)
+Identification::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -194,39 +161,33 @@ ASDCP::MXF::Identification::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "ThisGenerationUID", ThisGenerationUID.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "CompanyName", CompanyName.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "ProductName", ProductName.ToString(identbuf));
-  fprintf(stream, "  %22s = %d\n",  "ProductVersion", ProductVersion);
-  fprintf(stream, "  %22s = %s\n",  "VersionString", VersionString.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "ProductUID", ProductUID.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "ModificationDate", ModificationDate.ToString(identbuf));
-  fprintf(stream, "  %22s = %d\n",  "ToolkitVersion", ToolkitVersion);
-  fprintf(stream, "  %22s = %s\n",  "Platform", Platform.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "ThisGenerationUID", ThisGenerationUID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "CompanyName", CompanyName.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "ProductName", ProductName.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "ProductVersion", ProductVersion.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "VersionString", VersionString.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "ProductUID", ProductUID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "ModificationDate", ModificationDate.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "ToolkitVersion", ToolkitVersion.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "Platform", Platform.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Identification::InitFromBuffer(const byte_t* p, ui32_t l)
+Identification::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_Identification].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Identification));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Identification::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+Identification::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_Identification].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Identification));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -234,17 +195,29 @@ ASDCP::MXF::Identification::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::ContentStorage::InitFromTLVSet(TLVReader& TLVSet)
+ContentStorage::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(ContentStorage, Packages));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(ContentStorage, EssenceContainerData));
   return result;
 }
 
+//
+ASDCP::Result_t
+ContentStorage::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(ContentStorage, Packages));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(ContentStorage, EssenceContainerData));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::ContentStorage::Dump(FILE* stream)
+ContentStorage::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -253,34 +226,89 @@ ASDCP::MXF::ContentStorage::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %s:\n",  "Packages");
+  fprintf(stream, "  %22s:\n",  "Packages");
   Packages.Dump(stream);
-  fprintf(stream, "  %s:\n",  "EssenceContainerData");
+  fprintf(stream, "  %22s:\n",  "EssenceContainerData");
   EssenceContainerData.Dump(stream);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::ContentStorage::InitFromBuffer(const byte_t* p, ui32_t l)
+ContentStorage::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_ContentStorage));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
 
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_ContentStorage].ul);
+//
+ASDCP::Result_t
+ContentStorage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_ContentStorage));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
 
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
+//------------------------------------------------------------------------------------------
+// EssenceContainerData
 
+//
+ASDCP::Result_t
+EssenceContainerData::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(EssenceContainerData, LinkedPackageUID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(EssenceContainerData, IndexSID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(EssenceContainerData, BodySID));
   return result;
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::ContentStorage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+EssenceContainerData::WriteToTLVSet(TLVWriter& TLVSet)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_ContentStorage].ul, 0);
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(EssenceContainerData, LinkedPackageUID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(EssenceContainerData, IndexSID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(EssenceContainerData, BodySID));
+  return result;
+}
+
+//
+void
+EssenceContainerData::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  InterchangeObject::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "LinkedPackageUID", LinkedPackageUID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %d\n",  "IndexSID", IndexSID);
+  fprintf(stream, "  %22s = %d\n",  "BodySID", BodySID);
+}
+
+//
+ASDCP::Result_t
+EssenceContainerData::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_EssenceContainerData));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+EssenceContainerData::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_EssenceContainerData));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -288,8 +316,9 @@ ASDCP::MXF::ContentStorage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericPackage::InitFromTLVSet(TLVReader& TLVSet)
+GenericPackage::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericPackage, PackageUID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericPackage, Name));
@@ -299,9 +328,23 @@ ASDCP::MXF::GenericPackage::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+GenericPackage::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPackage, PackageUID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPackage, Name));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPackage, PackageCreationDate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPackage, PackageModifiedDate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPackage, Tracks));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::GenericPackage::Dump(FILE* stream)
+GenericPackage::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -310,11 +353,11 @@ ASDCP::MXF::GenericPackage::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "PackageUID", PackageUID.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "Name", Name.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "PackageCreationDate", PackageCreationDate.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "PackageModifiedDate", PackageModifiedDate.ToString(identbuf));
-  fprintf(stream, "  %s:\n",  "Tracks");
+  fprintf(stream, "  %22s = %s\n",  "PackageUID", PackageUID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "Name", Name.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "PackageCreationDate", PackageCreationDate.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "PackageModifiedDate", PackageModifiedDate.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s:\n",  "Tracks");
   Tracks.Dump(stream);
 }
 
@@ -324,15 +367,25 @@ ASDCP::MXF::GenericPackage::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MaterialPackage::InitFromTLVSet(TLVReader& TLVSet)
+MaterialPackage::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericPackage::InitFromTLVSet(TLVSet);
   return result;
 }
 
+//
+ASDCP::Result_t
+MaterialPackage::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericPackage::WriteToTLVSet(TLVSet);
+  return result;
+}
+
 //
 void
-ASDCP::MXF::MaterialPackage::Dump(FILE* stream)
+MaterialPackage::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -345,26 +398,20 @@ ASDCP::MXF::MaterialPackage::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MaterialPackage::InitFromBuffer(const byte_t* p, ui32_t l)
+MaterialPackage::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_MaterialPackage].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_MaterialPackage));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MaterialPackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+MaterialPackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_MaterialPackage].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_MaterialPackage));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -372,15 +419,27 @@ ASDCP::MXF::MaterialPackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourcePackage::InitFromTLVSet(TLVReader& TLVSet)
+SourcePackage::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericPackage::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(SourcePackage, Descriptor));
+  return result;
+}
+
+//
+ASDCP::Result_t
+SourcePackage::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericPackage::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(SourcePackage, Descriptor));
   return result;
 }
 
 //
 void
-ASDCP::MXF::SourcePackage::Dump(FILE* stream)
+SourcePackage::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -389,30 +448,25 @@ ASDCP::MXF::SourcePackage::Dump(FILE* stream)
     stream = stderr;
 
   GenericPackage::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "Descriptor", Descriptor.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourcePackage::InitFromBuffer(const byte_t* p, ui32_t l)
+SourcePackage::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_SourcePackage].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_SourcePackage));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourcePackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+SourcePackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_SourcePackage].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_SourcePackage));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -420,8 +474,9 @@ ASDCP::MXF::SourcePackage::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericTrack::InitFromTLVSet(TLVReader& TLVSet)
+GenericTrack::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericTrack, TrackID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericTrack, TrackNumber));
@@ -430,9 +485,22 @@ ASDCP::MXF::GenericTrack::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+GenericTrack::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericTrack, TrackID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericTrack, TrackNumber));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericTrack, TrackName));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericTrack, Sequence));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::GenericTrack::Dump(FILE* stream)
+GenericTrack::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -443,27 +511,35 @@ ASDCP::MXF::GenericTrack::Dump(FILE* stream)
   InterchangeObject::Dump(stream);
   fprintf(stream, "  %22s = %d\n",  "TrackID", TrackID);
   fprintf(stream, "  %22s = %d\n",  "TrackNumber", TrackNumber);
-  fprintf(stream, "  %22s = %s\n",  "TrackName", TrackName.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "Sequence", Sequence.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "TrackName", TrackName.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "Sequence", Sequence.EncodeString(identbuf, IdentBufferLen));
 }
 
 
 //------------------------------------------------------------------------------------------
-// Track
+// StaticTrack
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Track::InitFromTLVSet(TLVReader& TLVSet)
+StaticTrack::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericTrack::InitFromTLVSet(TLVSet);
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Track, EditRate));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(Track, Origin));
+  return result;
+}
+
+//
+ASDCP::Result_t
+StaticTrack::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericTrack::WriteToTLVSet(TLVSet);
   return result;
 }
 
 //
 void
-ASDCP::MXF::Track::Dump(FILE* stream)
+StaticTrack::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -472,32 +548,82 @@ ASDCP::MXF::Track::Dump(FILE* stream)
     stream = stderr;
 
   GenericTrack::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "EditRate", EditRate.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "Origin", i64sz(Origin, identbuf));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Track::InitFromBuffer(const byte_t* p, ui32_t l)
+StaticTrack::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_StaticTrack));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
 
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_Track].ul);
+//
+ASDCP::Result_t
+StaticTrack::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_StaticTrack));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
 
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
+//------------------------------------------------------------------------------------------
+// Track
 
+//
+ASDCP::Result_t
+Track::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericTrack::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Track, EditRate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(Track, Origin));
   return result;
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Track::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+Track::WriteToTLVSet(TLVWriter& TLVSet)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_Track].ul, 0);
+  assert(m_Dict);
+  Result_t result = GenericTrack::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Track, EditRate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(Track, Origin));
+  return result;
+}
+
+//
+void
+Track::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  GenericTrack::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "EditRate", EditRate.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "Origin", i64sz(Origin, identbuf));
+}
+
+//
+ASDCP::Result_t
+Track::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Track));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+Track::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Track));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -505,17 +631,29 @@ ASDCP::MXF::Track::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::StructuralComponent::InitFromTLVSet(TLVReader& TLVSet)
+StructuralComponent::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(StructuralComponent, DataDefinition));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(StructuralComponent, Duration));
   return result;
 }
 
+//
+ASDCP::Result_t
+StructuralComponent::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(StructuralComponent, DataDefinition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(StructuralComponent, Duration));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::StructuralComponent::Dump(FILE* stream)
+StructuralComponent::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -524,7 +662,7 @@ ASDCP::MXF::StructuralComponent::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "DataDefinition", DataDefinition.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "DataDefinition", DataDefinition.EncodeString(identbuf, IdentBufferLen));
   fprintf(stream, "  %22s = %s\n",  "Duration", i64sz(Duration, identbuf));
 }
 
@@ -534,16 +672,27 @@ ASDCP::MXF::StructuralComponent::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Sequence::InitFromTLVSet(TLVReader& TLVSet)
+Sequence::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = StructuralComponent::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(Sequence, StructuralComponents));
   return result;
 }
 
+//
+ASDCP::Result_t
+Sequence::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = StructuralComponent::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(Sequence, StructuralComponents));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::Sequence::Dump(FILE* stream)
+Sequence::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -552,32 +701,26 @@ ASDCP::MXF::Sequence::Dump(FILE* stream)
     stream = stderr;
 
   StructuralComponent::Dump(stream);
-  fprintf(stream, "  %s:\n",  "StructuralComponents");
+  fprintf(stream, "  %22s:\n",  "StructuralComponents");
   StructuralComponents.Dump(stream);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Sequence::InitFromBuffer(const byte_t* p, ui32_t l)
+Sequence::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_Sequence].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Sequence));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::Sequence::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+Sequence::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_Sequence].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_Sequence));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -585,8 +728,9 @@ ASDCP::MXF::Sequence::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourceClip::InitFromTLVSet(TLVReader& TLVSet)
+SourceClip::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = StructuralComponent::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(SourceClip, StartPosition));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(SourceClip, SourcePackageID));
@@ -594,9 +738,21 @@ ASDCP::MXF::SourceClip::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+SourceClip::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = StructuralComponent::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(SourceClip, StartPosition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(SourceClip, SourcePackageID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(SourceClip, SourceTrackID));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::SourceClip::Dump(FILE* stream)
+SourceClip::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -606,32 +762,26 @@ ASDCP::MXF::SourceClip::Dump(FILE* stream)
 
   StructuralComponent::Dump(stream);
   fprintf(stream, "  %22s = %s\n",  "StartPosition", i64sz(StartPosition, identbuf));
-  fprintf(stream, "  %22s = %s\n",  "SourcePackageID", SourcePackageID.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "SourcePackageID", SourcePackageID.EncodeString(identbuf, IdentBufferLen));
   fprintf(stream, "  %22s = %d\n",  "SourceTrackID", SourceTrackID);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourceClip::InitFromBuffer(const byte_t* p, ui32_t l)
+SourceClip::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_SourceClip].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_SourceClip));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::SourceClip::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+SourceClip::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_SourceClip].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_SourceClip));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -639,8 +789,9 @@ ASDCP::MXF::SourceClip::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::TimecodeComponent::InitFromTLVSet(TLVReader& TLVSet)
+TimecodeComponent::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = StructuralComponent::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi16(OBJ_READ_ARGS(TimecodeComponent, RoundedTimecodeBase));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(TimecodeComponent, StartTimecode));
@@ -648,9 +799,21 @@ ASDCP::MXF::TimecodeComponent::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+TimecodeComponent::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = StructuralComponent::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi16(OBJ_WRITE_ARGS(TimecodeComponent, RoundedTimecodeBase));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(TimecodeComponent, StartTimecode));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(TimecodeComponent, DropFrame));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::TimecodeComponent::Dump(FILE* stream)
+TimecodeComponent::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -666,26 +829,20 @@ ASDCP::MXF::TimecodeComponent::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::TimecodeComponent::InitFromBuffer(const byte_t* p, ui32_t l)
+TimecodeComponent::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_TimecodeComponent].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimecodeComponent));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::TimecodeComponent::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+TimecodeComponent::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_TimecodeComponent].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimecodeComponent));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -693,17 +850,29 @@ ASDCP::MXF::TimecodeComponent::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+GenericDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericDescriptor, Locators));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericDescriptor, SubDescriptors));
   return result;
 }
 
+//
+ASDCP::Result_t
+GenericDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericDescriptor, Locators));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericDescriptor, SubDescriptors));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::GenericDescriptor::Dump(FILE* stream)
+GenericDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -712,9 +881,9 @@ ASDCP::MXF::GenericDescriptor::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %s:\n",  "Locators");
+  fprintf(stream, "  %22s:\n",  "Locators");
   Locators.Dump(stream);
-  fprintf(stream, "  %s:\n",  "SubDescriptors");
+  fprintf(stream, "  %22s:\n",  "SubDescriptors");
   SubDescriptors.Dump(stream);
 }
 
@@ -724,8 +893,9 @@ ASDCP::MXF::GenericDescriptor::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::FileDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+FileDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(FileDescriptor, LinkedTrackID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(FileDescriptor, SampleRate));
@@ -735,9 +905,23 @@ ASDCP::MXF::FileDescriptor::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+FileDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(FileDescriptor, LinkedTrackID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(FileDescriptor, SampleRate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(FileDescriptor, ContainerDuration));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(FileDescriptor, EssenceContainer));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(FileDescriptor, Codec));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::FileDescriptor::Dump(FILE* stream)
+FileDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -747,34 +931,28 @@ ASDCP::MXF::FileDescriptor::Dump(FILE* stream)
 
   GenericDescriptor::Dump(stream);
   fprintf(stream, "  %22s = %d\n",  "LinkedTrackID", LinkedTrackID);
-  fprintf(stream, "  %22s = %s\n",  "SampleRate", SampleRate.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "SampleRate", SampleRate.EncodeString(identbuf, IdentBufferLen));
   fprintf(stream, "  %22s = %s\n",  "ContainerDuration", i64sz(ContainerDuration, identbuf));
-  fprintf(stream, "  %22s = %s\n",  "EssenceContainer", EssenceContainer.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "Codec", Codec.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "EssenceContainer", EssenceContainer.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "Codec", Codec.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::FileDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+FileDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_FileDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_FileDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::FileDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+FileDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_FileDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_FileDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -782,23 +960,37 @@ ASDCP::MXF::FileDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericSoundEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+GenericSoundEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = FileDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, AudioSamplingRate));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, Locked));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, AudioRefLevel));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, ElectroSpatialFormulation));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, ChannelCount));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, QuantizationBits));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, DialNorm));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericSoundEssenceDescriptor, SoundEssenceCompression));
+  return result;
+}
+
+//
+ASDCP::Result_t
+GenericSoundEssenceDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = FileDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, AudioSamplingRate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, Locked));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, AudioRefLevel));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, ChannelCount));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, QuantizationBits));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(GenericSoundEssenceDescriptor, DialNorm));
   return result;
 }
 
 //
 void
-ASDCP::MXF::GenericSoundEssenceDescriptor::Dump(FILE* stream)
+GenericSoundEssenceDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -807,38 +999,30 @@ ASDCP::MXF::GenericSoundEssenceDescriptor::Dump(FILE* stream)
     stream = stderr;
 
   FileDescriptor::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "AudioSamplingRate", AudioSamplingRate.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "AudioSamplingRate", AudioSamplingRate.EncodeString(identbuf, IdentBufferLen));
   fprintf(stream, "  %22s = %d\n",  "Locked", Locked);
   fprintf(stream, "  %22s = %d\n",  "AudioRefLevel", AudioRefLevel);
-  fprintf(stream, "  %22s = %d\n",  "ElectroSpatialFormulation", ElectroSpatialFormulation);
   fprintf(stream, "  %22s = %d\n",  "ChannelCount", ChannelCount);
   fprintf(stream, "  %22s = %d\n",  "QuantizationBits", QuantizationBits);
   fprintf(stream, "  %22s = %d\n",  "DialNorm", DialNorm);
-  fprintf(stream, "  %22s = %s\n",  "SoundEssenceCompression", SoundEssenceCompression.ToString(identbuf));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericSoundEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+GenericSoundEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_GenericSoundEssenceDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericSoundEssenceDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericSoundEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+GenericSoundEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_GenericSoundEssenceDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericSoundEssenceDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -846,18 +1030,33 @@ ASDCP::MXF::GenericSoundEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buf
 
 //
 ASDCP::Result_t
-ASDCP::MXF::WaveAudioDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+WaveAudioDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericSoundEssenceDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi16(OBJ_READ_ARGS(WaveAudioDescriptor, BlockAlign));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(WaveAudioDescriptor, SequenceOffset));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(WaveAudioDescriptor, AvgBps));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(WaveAudioDescriptor, ChannelAssignment));
+  return result;
+}
+
+//
+ASDCP::Result_t
+WaveAudioDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericSoundEssenceDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi16(OBJ_WRITE_ARGS(WaveAudioDescriptor, BlockAlign));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(WaveAudioDescriptor, SequenceOffset));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(WaveAudioDescriptor, AvgBps));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(WaveAudioDescriptor, ChannelAssignment));
   return result;
 }
 
 //
 void
-ASDCP::MXF::WaveAudioDescriptor::Dump(FILE* stream)
+WaveAudioDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -869,30 +1068,25 @@ ASDCP::MXF::WaveAudioDescriptor::Dump(FILE* stream)
   fprintf(stream, "  %22s = %d\n",  "BlockAlign", BlockAlign);
   fprintf(stream, "  %22s = %d\n",  "SequenceOffset", SequenceOffset);
   fprintf(stream, "  %22s = %d\n",  "AvgBps", AvgBps);
+  fprintf(stream, "  %22s = %s\n",  "ChannelAssignment", ChannelAssignment.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::WaveAudioDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+WaveAudioDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_WaveAudioDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_WaveAudioDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::WaveAudioDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+WaveAudioDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_WaveAudioDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_WaveAudioDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -900,23 +1094,35 @@ ASDCP::MXF::WaveAudioDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericPictureEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+GenericPictureEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = FileDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, FrameLayout));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, StoredWidth));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, StoredHeight));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, DisplayWidth));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, DisplayHeight));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, AspectRatio));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, Gamma));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericPictureEssenceDescriptor, PictureEssenceCoding));
   return result;
 }
 
+//
+ASDCP::Result_t
+GenericPictureEssenceDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = FileDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(GenericPictureEssenceDescriptor, FrameLayout));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericPictureEssenceDescriptor, StoredWidth));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(GenericPictureEssenceDescriptor, StoredHeight));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPictureEssenceDescriptor, AspectRatio));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericPictureEssenceDescriptor, PictureEssenceCoding));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::GenericPictureEssenceDescriptor::Dump(FILE* stream)
+GenericPictureEssenceDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -928,35 +1134,26 @@ ASDCP::MXF::GenericPictureEssenceDescriptor::Dump(FILE* stream)
   fprintf(stream, "  %22s = %d\n",  "FrameLayout", FrameLayout);
   fprintf(stream, "  %22s = %d\n",  "StoredWidth", StoredWidth);
   fprintf(stream, "  %22s = %d\n",  "StoredHeight", StoredHeight);
-  fprintf(stream, "  %22s = %d\n",  "DisplayWidth", DisplayWidth);
-  fprintf(stream, "  %22s = %d\n",  "DisplayHeight", DisplayHeight);
-  fprintf(stream, "  %22s = %s\n",  "AspectRatio", AspectRatio.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "Gamma", Gamma.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "PictureEssenceCoding", PictureEssenceCoding.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "AspectRatio", AspectRatio.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "PictureEssenceCoding", PictureEssenceCoding.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericPictureEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+GenericPictureEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_GenericPictureEssenceDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericPictureEssenceDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::GenericPictureEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+GenericPictureEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_GenericPictureEssenceDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericPictureEssenceDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -964,18 +1161,29 @@ ASDCP::MXF::GenericPictureEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& B
 
 //
 ASDCP::Result_t
-ASDCP::MXF::RGBAEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+RGBAEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericPictureEssenceDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(RGBAEssenceDescriptor, ComponentMaxRef));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(RGBAEssenceDescriptor, ComponentMinRef));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(RGBAEssenceDescriptor, PixelLayout));
+  return result;
+}
+
+//
+ASDCP::Result_t
+RGBAEssenceDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericPictureEssenceDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(RGBAEssenceDescriptor, ComponentMaxRef));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(RGBAEssenceDescriptor, ComponentMinRef));
   return result;
 }
 
 //
 void
-ASDCP::MXF::RGBAEssenceDescriptor::Dump(FILE* stream)
+RGBAEssenceDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -986,31 +1194,24 @@ ASDCP::MXF::RGBAEssenceDescriptor::Dump(FILE* stream)
   GenericPictureEssenceDescriptor::Dump(stream);
   fprintf(stream, "  %22s = %d\n",  "ComponentMaxRef", ComponentMaxRef);
   fprintf(stream, "  %22s = %d\n",  "ComponentMinRef", ComponentMinRef);
-  fprintf(stream, "  %22s = %s\n",  "PixelLayout", PixelLayout.ToString(identbuf));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::RGBAEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+RGBAEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_RGBAEssenceDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_RGBAEssenceDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::RGBAEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+RGBAEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_RGBAEssenceDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_RGBAEssenceDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -1018,8 +1219,9 @@ ASDCP::MXF::RGBAEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::JPEG2000PictureSubDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+JPEG2000PictureSubDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi16(OBJ_READ_ARGS(JPEG2000PictureSubDescriptor, Rsize));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(JPEG2000PictureSubDescriptor, Xsize));
@@ -1037,9 +1239,31 @@ ASDCP::MXF::JPEG2000PictureSubDescriptor::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+JPEG2000PictureSubDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi16(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, Rsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, Xsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, Ysize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, XOsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, YOsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, XTsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, YTsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, XTOsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, YTOsize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi16(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, Csize));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, PictureComponentSizing));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, CodingStyleDefault));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(JPEG2000PictureSubDescriptor, QuantizationDefault));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::JPEG2000PictureSubDescriptor::Dump(FILE* stream)
+JPEG2000PictureSubDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -1058,33 +1282,27 @@ ASDCP::MXF::JPEG2000PictureSubDescriptor::Dump(FILE* stream)
   fprintf(stream, "  %22s = %d\n",  "XTOsize", XTOsize);
   fprintf(stream, "  %22s = %d\n",  "YTOsize", YTOsize);
   fprintf(stream, "  %22s = %d\n",  "Csize", Csize);
-  fprintf(stream, "  %22s = %s\n",  "PictureComponentSizing", PictureComponentSizing.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "CodingStyleDefault", CodingStyleDefault.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "QuantizationDefault", QuantizationDefault.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "PictureComponentSizing", PictureComponentSizing.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "CodingStyleDefault", CodingStyleDefault.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "QuantizationDefault", QuantizationDefault.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::JPEG2000PictureSubDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+JPEG2000PictureSubDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_JPEG2000PictureSubDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_JPEG2000PictureSubDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::JPEG2000PictureSubDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+JPEG2000PictureSubDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_JPEG2000PictureSubDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_JPEG2000PictureSubDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -1092,23 +1310,33 @@ ASDCP::MXF::JPEG2000PictureSubDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buff
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CDCIEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+CDCIEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = GenericPictureEssenceDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, ComponentDepth));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, HorizontalSubsampling));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, VerticalSubsampling));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(CDCIEssenceDescriptor, ColorSiting));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(CDCIEssenceDescriptor, ReversedByteOrder));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, BlackRefLevel));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, WhiteReflevel));
-  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(CDCIEssenceDescriptor, ColorRange));
+  return result;
+}
+
+//
+ASDCP::Result_t
+CDCIEssenceDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericPictureEssenceDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(CDCIEssenceDescriptor, ComponentDepth));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(CDCIEssenceDescriptor, HorizontalSubsampling));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(CDCIEssenceDescriptor, VerticalSubsampling));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(CDCIEssenceDescriptor, ColorSiting));
   return result;
 }
 
 //
 void
-ASDCP::MXF::CDCIEssenceDescriptor::Dump(FILE* stream)
+CDCIEssenceDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -1121,34 +1349,24 @@ ASDCP::MXF::CDCIEssenceDescriptor::Dump(FILE* stream)
   fprintf(stream, "  %22s = %d\n",  "HorizontalSubsampling", HorizontalSubsampling);
   fprintf(stream, "  %22s = %d\n",  "VerticalSubsampling", VerticalSubsampling);
   fprintf(stream, "  %22s = %d\n",  "ColorSiting", ColorSiting);
-  fprintf(stream, "  %22s = %d\n",  "ReversedByteOrder", ReversedByteOrder);
-  fprintf(stream, "  %22s = %d\n",  "BlackRefLevel", BlackRefLevel);
-  fprintf(stream, "  %22s = %d\n",  "WhiteReflevel", WhiteReflevel);
-  fprintf(stream, "  %22s = %d\n",  "ColorRange", ColorRange);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CDCIEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+CDCIEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_CDCIEssenceDescriptor].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CDCIEssenceDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CDCIEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+CDCIEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_CDCIEssenceDescriptor].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CDCIEssenceDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -1156,8 +1374,9 @@ ASDCP::MXF::CDCIEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MPEG2VideoDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+MPEG2VideoDescriptor::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = CDCIEssenceDescriptor::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(MPEG2VideoDescriptor, CodedContentType));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(MPEG2VideoDescriptor, LowDelay));
@@ -1166,9 +1385,22 @@ ASDCP::MXF::MPEG2VideoDescriptor::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+MPEG2VideoDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = CDCIEssenceDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(MPEG2VideoDescriptor, CodedContentType));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(MPEG2VideoDescriptor, LowDelay));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(MPEG2VideoDescriptor, BitRate));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(MPEG2VideoDescriptor, ProfileAndLevel));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::MPEG2VideoDescriptor::Dump(FILE* stream)
+MPEG2VideoDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -1185,26 +1417,87 @@ ASDCP::MXF::MPEG2VideoDescriptor::Dump(FILE* stream)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MPEG2VideoDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+MPEG2VideoDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_MPEG2VideoDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
 
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_MPEG2VideoDescriptor].ul);
+//
+ASDCP::Result_t
+MPEG2VideoDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_MPEG2VideoDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
 
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
+//------------------------------------------------------------------------------------------
+// DMSegment
 
+//
+ASDCP::Result_t
+DMSegment::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(DMSegment, DataDefinition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(DMSegment, EventStartPosition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(DMSegment, Duration));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(DMSegment, EventComment));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(DMSegment, DMFramework));
   return result;
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::MPEG2VideoDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+DMSegment::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(DMSegment, DataDefinition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(DMSegment, EventStartPosition));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(DMSegment, Duration));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(DMSegment, EventComment));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(DMSegment, DMFramework));
+  return result;
+}
+
+//
+void
+DMSegment::Dump(FILE* stream)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_MPEG2VideoDescriptor].ul, 0);
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  InterchangeObject::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "DataDefinition", DataDefinition.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "EventStartPosition", i64sz(EventStartPosition, identbuf));
+  fprintf(stream, "  %22s = %s\n",  "Duration", i64sz(Duration, identbuf));
+  fprintf(stream, "  %22s = %s\n",  "EventComment", EventComment.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "DMFramework", DMFramework.EncodeString(identbuf, IdentBufferLen));
+}
+
+//
+ASDCP::Result_t
+DMSegment::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_DMSegment));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+DMSegment::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_DMSegment));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -1212,16 +1505,27 @@ ASDCP::MXF::MPEG2VideoDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicFramework::InitFromTLVSet(TLVReader& TLVSet)
+CryptographicFramework::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(CryptographicFramework, ContextSR));
   return result;
 }
 
+//
+ASDCP::Result_t
+CryptographicFramework::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicFramework, ContextSR));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::CryptographicFramework::Dump(FILE* stream)
+CryptographicFramework::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -1230,31 +1534,25 @@ ASDCP::MXF::CryptographicFramework::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "ContextSR", ContextSR.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "ContextSR", ContextSR.EncodeString(identbuf, IdentBufferLen));
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicFramework::InitFromBuffer(const byte_t* p, ui32_t l)
+CryptographicFramework::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
-
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_CryptographicFramework].ul);
-
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
-
-  return result;
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CryptographicFramework));
+  return InterchangeObject::InitFromBuffer(p, l);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicFramework::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+CryptographicFramework::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_CryptographicFramework].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CryptographicFramework));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //------------------------------------------------------------------------------------------
@@ -1262,8 +1560,9 @@ ASDCP::MXF::CryptographicFramework::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicContext::InitFromTLVSet(TLVReader& TLVSet)
+CryptographicContext::InitFromTLVSet(TLVReader& TLVSet)
 {
+  assert(m_Dict);
   Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(CryptographicContext, ContextID));
   if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(CryptographicContext, SourceEssenceContainer));
@@ -1273,9 +1572,202 @@ ASDCP::MXF::CryptographicContext::InitFromTLVSet(TLVReader& TLVSet)
   return result;
 }
 
+//
+ASDCP::Result_t
+CryptographicContext::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicContext, ContextID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicContext, SourceEssenceContainer));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicContext, CipherAlgorithm));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicContext, MICAlgorithm));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(CryptographicContext, CryptographicKeyID));
+  return result;
+}
+
+//
+void
+CryptographicContext::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  InterchangeObject::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "ContextID", ContextID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "SourceEssenceContainer", SourceEssenceContainer.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "CipherAlgorithm", CipherAlgorithm.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "MICAlgorithm", MICAlgorithm.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "CryptographicKeyID", CryptographicKeyID.EncodeString(identbuf, IdentBufferLen));
+}
+
+//
+ASDCP::Result_t
+CryptographicContext::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CryptographicContext));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+CryptographicContext::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_CryptographicContext));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
+
+//------------------------------------------------------------------------------------------
+// GenericDataEssenceDescriptor
+
+//
+ASDCP::Result_t
+GenericDataEssenceDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = FileDescriptor::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(GenericDataEssenceDescriptor, DataEssenceCoding));
+  return result;
+}
+
+//
+ASDCP::Result_t
+GenericDataEssenceDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = FileDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(GenericDataEssenceDescriptor, DataEssenceCoding));
+  return result;
+}
+
+//
+void
+GenericDataEssenceDescriptor::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  FileDescriptor::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "DataEssenceCoding", DataEssenceCoding.EncodeString(identbuf, IdentBufferLen));
+}
+
+//
+ASDCP::Result_t
+GenericDataEssenceDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericDataEssenceDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+GenericDataEssenceDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_GenericDataEssenceDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
+
+//------------------------------------------------------------------------------------------
+// TimedTextDescriptor
+
+//
+ASDCP::Result_t
+TimedTextDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericDataEssenceDescriptor::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(TimedTextDescriptor, ResourceID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(TimedTextDescriptor, UCSEncoding));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(TimedTextDescriptor, NamespaceURI));
+  return result;
+}
+
+//
+ASDCP::Result_t
+TimedTextDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = GenericDataEssenceDescriptor::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(TimedTextDescriptor, ResourceID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(TimedTextDescriptor, UCSEncoding));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(TimedTextDescriptor, NamespaceURI));
+  return result;
+}
+
 //
 void
-ASDCP::MXF::CryptographicContext::Dump(FILE* stream)
+TimedTextDescriptor::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  GenericDataEssenceDescriptor::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "ResourceID", ResourceID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "UCSEncoding", UCSEncoding.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "NamespaceURI", NamespaceURI.EncodeString(identbuf, IdentBufferLen));
+}
+
+//
+ASDCP::Result_t
+TimedTextDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimedTextDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+TimedTextDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimedTextDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
+
+//------------------------------------------------------------------------------------------
+// TimedTextResourceSubDescriptor
+
+//
+ASDCP::Result_t
+TimedTextResourceSubDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(TimedTextResourceSubDescriptor, AncillaryResourceID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(TimedTextResourceSubDescriptor, MIMEMediaType));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(TimedTextResourceSubDescriptor, EssenceStreamID));
+  return result;
+}
+
+//
+ASDCP::Result_t
+TimedTextResourceSubDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(TimedTextResourceSubDescriptor, AncillaryResourceID));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(TimedTextResourceSubDescriptor, MIMEMediaType));
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(TimedTextResourceSubDescriptor, EssenceStreamID));
+  return result;
+}
+
+//
+void
+TimedTextResourceSubDescriptor::Dump(FILE* stream)
 {
   char identbuf[IdentBufferLen];
   *identbuf = 0;
@@ -1284,37 +1776,136 @@ ASDCP::MXF::CryptographicContext::Dump(FILE* stream)
     stream = stderr;
 
   InterchangeObject::Dump(stream);
-  fprintf(stream, "  %22s = %s\n",  "ContextID", ContextID.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "SourceEssenceContainer", SourceEssenceContainer.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "CipherAlgorithm", CipherAlgorithm.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "MICAlgorithm", MICAlgorithm.ToString(identbuf));
-  fprintf(stream, "  %22s = %s\n",  "CryptographicKeyID", CryptographicKeyID.ToString(identbuf));
+  fprintf(stream, "  %22s = %s\n",  "AncillaryResourceID", AncillaryResourceID.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %s\n",  "MIMEMediaType", MIMEMediaType.EncodeString(identbuf, IdentBufferLen));
+  fprintf(stream, "  %22s = %d\n",  "EssenceStreamID", EssenceStreamID);
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicContext::InitFromBuffer(const byte_t* p, ui32_t l)
+TimedTextResourceSubDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
 {
-  ASDCP_TEST_NULL(p);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimedTextResourceSubDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
 
-  Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_CryptographicContext].ul);
+//
+ASDCP::Result_t
+TimedTextResourceSubDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_TimedTextResourceSubDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
 
-  if ( ASDCP_SUCCESS(result) )
-    {
-      TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
-      result = InitFromTLVSet(MemRDR);
-    }
+//------------------------------------------------------------------------------------------
+// StereoscopicPictureSubDescriptor
 
+//
+ASDCP::Result_t
+StereoscopicPictureSubDescriptor::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
   return result;
 }
 
 //
 ASDCP::Result_t
-ASDCP::MXF::CryptographicContext::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+StereoscopicPictureSubDescriptor::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  return result;
+}
+
+//
+void
+StereoscopicPictureSubDescriptor::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  InterchangeObject::Dump(stream);
+}
+
+//
+ASDCP::Result_t
+StereoscopicPictureSubDescriptor::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_StereoscopicPictureSubDescriptor));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+StereoscopicPictureSubDescriptor::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_StereoscopicPictureSubDescriptor));
+  return InterchangeObject::WriteToBuffer(Buffer);
+}
+
+//------------------------------------------------------------------------------------------
+// NetworkLocator
+
+//
+ASDCP::Result_t
+NetworkLocator::InitFromTLVSet(TLVReader& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(NetworkLocator, URLString));
+  return result;
+}
+
+//
+ASDCP::Result_t
+NetworkLocator::WriteToTLVSet(TLVWriter& TLVSet)
+{
+  assert(m_Dict);
+  Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
+  if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(NetworkLocator, URLString));
+  return result;
+}
+
+//
+void
+NetworkLocator::Dump(FILE* stream)
+{
+  char identbuf[IdentBufferLen];
+  *identbuf = 0;
+
+  if ( stream == 0 )
+    stream = stderr;
+
+  InterchangeObject::Dump(stream);
+  fprintf(stream, "  %22s = %s\n",  "URLString", URLString.EncodeString(identbuf, IdentBufferLen));
+}
+
+//
+ASDCP::Result_t
+NetworkLocator::InitFromBuffer(const byte_t* p, ui32_t l)
+{
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_NetworkLocator));
+  return InterchangeObject::InitFromBuffer(p, l);
+}
+
+//
+ASDCP::Result_t
+NetworkLocator::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
 {
-  return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_CryptographicContext].ul, 0);
+  assert(m_Dict);
+  m_Typeinfo = &(m_Dict->Type(MDD_NetworkLocator));
+  return InterchangeObject::WriteToBuffer(Buffer);
 }
 
 //
-// end MXF.cpp
+// end Metadata.cpp
 //