//! Scan a metadata object for strong references in sub-objects and add those to this partition
void Partition::AddMetadataSubs(MDObjectPtr &NewObject, bool ForceFirst)
{
MDObjectULList::iterator it = NewObject->begin();
MDObjectULList::iterator itend = NewObject->end();
while(it != itend)
{
if((*it).second->GetRefType() == DICT_REF_STRONG)
{
MDObjectPtr Link = (*it).second->GetLink();
if(Link)
{
AddMetadata(Link, ForceFirst);
// Prevent the new item being top-level (which it may be as we are not added yet)
// DRAGONS: There is surely a better way than this!!
TopLevelMetadata.remove(Link);
}
}
else if(!((*it).second->empty()))
{
AddMetadataSubs((*it).second, ForceFirst);
}
it++;
}
}
/*! DRAGONS: We use the current UTF16String GetString trait to ensure that we always have the correct handling,
* even if the user wants these strings handled differently (i.e. we do it their way!)
*/
std::list<std::string> SplitStringArray(const MDObjectPtr &Array)
{
std::list<std::string> Ret;
// Quit early if an invalid parameter
if(!Array) return Ret;
// Build a working string
static MDTypePtr ValType = MDType::Find("UTF16String");
MDObjectPtr Value = ValType ? new MDObject(ValType) : NULL;
if(!Value)
{
error("Can't build UTF16String value required by SplitStringArray() - need this type to be defined in the dictionary file\n");
return Ret;
}
// Assemble the data value (which may be an array of sub-values)
DataChunkPtr Data = Array->PutData();
// Get a pointer to the start of the data
UInt8 *pData = Data->Data;
// The number of bytes of data to split
size_t BytesLeft = Data->Size;
while(BytesLeft > 1)
{
// Find the end of the current string
size_t Len = 0;
UInt8 *p = pData;
while(BytesLeft > 1)
{
BytesLeft -= 2;
Len += 2;
UInt16 Char = GetU16(p);
p += 2;
// End when we find a null
if(Char == 0) break;
}
// Copy this string to the working value
Value->SetValue(pData, Len);
// Read out the traits-formatted version of the string
Ret.push_back(Value->GetString());
// Move the pointer forward to the next value after the string terminator
pData = p;
}
return Ret;
}
/*! DRAGONS: We use the current UTF16String SetString trait to ensure that we always have the correct handling,
* even if the user wants these strings handled differently (i.e. we do it their way!)
*/
void SetStringArray(MDObjectPtr &Array, const std::list<std::string> &Strings)
{
// Abort if we are send a NULL pointer
if(!Array) return;
// Don't bother if we have nothing to do
if(Strings.empty()) return;
// Build a working string
static MDTypePtr ValType = MDType::Find("UTF16String");
MDObjectPtr Value = ValType ? new MDObject(ValType) : NULL;
if(!Value)
{
error("Can't build UTF16String value required by SetStringArray() - need this type to be defined in the dictionary file\n");
return;
}
// Get a buffer in which to build the final string array, make it quite granular as it will keep growing
DataChunkPtr Buffer = new DataChunk();
Buffer->SetGranularity(16 * 1024);
std::list<std::string>::const_iterator it = Strings.begin();
while(it != Strings.end())
{
Value->SetString(*it);
DataChunkPtr ThisString = Value->PutData();
Buffer->Append(ThisString);
// Add terminator if required, i.e. if the sub-string we just added did not end in a zero
UInt8 *p = &ThisString->Data[ThisString->Size];
// Terminate if either of the last two bytes in the current buffer is non-zero - or if the string was too short to have a terminator
if((ThisString->Size) < 2 || ((*(--p) != 0) || (*(--p) != 0)))
{
const UInt8 Term[2] = { 0, 0};
Buffer->Set(2, Term, Buffer->Size);
}
it++;
}
// Set the value from this buffer
Array->SetValue(Buffer);
}
//! Read any index table segments from a file
MDObjectListPtr mxflib::Partition::ReadIndex(MXFFilePtr File, UInt64 Size)
{
MDObjectListPtr Ret = new MDObjectList;
while(Size)
{
UInt64 Location = File->Tell();
UInt64 Bytes;
MDObjectPtr NewIndex = File->ReadObject(NULL);
if(NewIndex)
{
if((NewIndex->Name() == "IndexTableSegment") || (NewIndex->Name() == "V10IndexTableSegment"))
{
Ret->push_back(NewIndex);
Bytes = File->Tell() - Location;
}
else if( NewIndex->IsA(KLVFill_UL) )
{
// Skip over the filler
Bytes = File->Tell() - Location;
}
else
{
error("Expected to find an IndexTableSegment - found %s at %s\n",
NewIndex->FullName().c_str(), NewIndex->GetSourceLocation().c_str());
break;
}
}
else
{
error("Error reading IndexTableSegment at 0x%s in %s\n",
Int64toHexString(Location,8).c_str(), File->Name.c_str());
break;
}
if(Bytes > Size) break;
Size -= Bytes;
}
return Ret;
}
/*! \note This call will modify properties SampleRate, DataStart and DataSize */
MDObjectPtr mxflib::WAVE_PCM_EssenceSubParser::BuildWaveAudioDescriptor(FileHandle InFile, UInt64 Start /*=0*/)
{
const unsigned int ID_RIFF = 0x52494646; //! "RIFF"
const unsigned int ID_fmt = 0x666d7420; //! "fmt "
const unsigned int ID_data = 0x64617461; //! "data"
MDObjectPtr Ret;
FileSeek(InFile, Start);
U32Pair Header = ReadRIFFHeader(InFile);
// Can't build a descriptor if it isn't a RIFF file!
if(Header.first != ID_RIFF) return Ret;
if(Header.second < 4) return Ret;
// Read the RIFF file type (always 4 bytes)
DataChunkPtr ChunkData = FileReadChunk(InFile, 4);
// Can't build a descriptor if it isn't a WAVE file!
if(memcmp(ChunkData->Data, "WAVE", 4) != 0) return Ret;
// Scan the chunks within the RIFF file
// DRAGONS: To do this properly we would check the file size in the RIFF chunk
// DRAGONS: "LIST" chunks are "sets" and are not yet supported
for(;;)
{
Header = ReadRIFFHeader(InFile);
// End of file?
if((Header.first == 0) && (Header.second == 0)) break;
if(Header.first == ID_fmt)
{
ChunkData = FileReadChunk(InFile, Header.second);
if(ChunkData->Size < 16) return Ret;
UInt16 AudioFormat = GetU16_LE(&ChunkData->Data[0]);
if(AudioFormat != 1) return Ret;
Ret = new MDObject(WaveAudioDescriptor_UL);
if(!Ret) return Ret;
// Set the sample rate
char Buffer[32];
SampleRate = GetU32_LE(&ChunkData->Data[4]);
sprintf(Buffer, "%d/1", SampleRate);
Ret->SetString(SampleRate_UL, Buffer);
Ret->SetString(AudioSamplingRate_UL, Buffer);
// Must assume not locked!
Ret->SetUInt(Locked_UL, 0);
// Set channel count
UInt16 Chan = GetU16_LE(&ChunkData->Data[2]);
Ret->SetUInt(ChannelCount_UL, Chan);
// Set quantization bits
UInt16 Quant = GetU16_LE(&ChunkData->Data[14]);
Ret->SetUInt(QuantizationBits_UL, Quant);
// Calculate the number of bytes per sample
SampleSize = ((Quant+7) / 8) * Chan;
// Set the block alignment
Ret->SetUInt(BlockAlign_UL, GetU16_LE(&ChunkData->Data[12]));
// Set the byte-rate
Ret->SetUInt(AvgBps_UL, GetU32_LE(&ChunkData->Data[8]));
}
else if(Header.first == ID_data)
{
// Record the location of the audio data
DataStart = FileTell(InFile);
DataSize = Header.second;
// ...and skip the chunk value
FileSeek(InFile, FileTell(InFile) + Header.second);
}
else
{
// Skip the chunk value
FileSeek(InFile, FileTell(InFile) + Header.second);
}
}
return Ret;
}
/*! Note that any strongly linked objects are also added */
void mxflib::Partition::AddMetadata(MDObjectPtr NewObject, bool ForceFirst /*=false*/)
{
// Start out without a target
bool has_target = false;
// Start out not (strong) reffed
bool linked = false;
// Add us to the list of all items - done last if forcing first as the child items will get added first
if(!ForceFirst) AllMetadata.push_back(NewObject);
// Add this object to the ref target list if it is one. At the same time any objects
// linked from this object (before this function was called) are added as well
// Note: although nothing currently does it it is theoretically possible to
// have more than one target entry in a set
MDObjectULList::iterator it = NewObject->begin();
while(it != NewObject->end())
{
ClassRef RefType = (*it).second->GetRefType();
if(RefType == ClassRefTarget)
{
if((*it).second->Value->GetData().Size != 16)
{
error("Metadata Object \"%s/%s\" should be a reference target (a UUID), but has size %d\n",
NewObject->Name().c_str(), (*it).second->Name().c_str(), (*it).second->Value->GetData().Size);
}
else
{
has_target = true;
UUIDPtr ID = new UUID((*it).second->Value->PutData()->Data);
RefTargets.insert(std::map<UUID, MDObjectPtr>::value_type(*ID, NewObject));
// Try and satisfy all refs to this set
for(;;)
{
std::multimap<UUID, MDObjectPtr>::iterator mit = UnmatchedRefs.find(*ID);
// Exit when no more refs to this object
if(mit == UnmatchedRefs.end()) break;
// Sanity check!
if((*mit).second->GetLink())
{
error("Internal error - %s at 0x%s in UnmatchedRefs but already linked!\n", (*mit).second->FullName().c_str() , Int64toHexString((*mit).second->GetLocation(), 8).c_str());
}
// Make the link
(*mit).second->SetLink(NewObject);
// If we are the tagert of a strong ref we won't get added to the top level
if((*mit).second->GetRefType() == DICT_REF_STRONG) linked = true;
// Remove from the unmatched refs map
UnmatchedRefs.erase(mit);
// loop for any more refs to this set
}
}
}
else if(RefType == ClassRefStrong)
{
MDObjectPtr Link = (*it).second->GetLink();
if(Link)
{
AddMetadata(Link, ForceFirst);
// Prevent the new item being top-level (which it may be as we are not added yet)
// DRAGONS: There is surely a better way than this!!
TopLevelMetadata.remove(Link);
}
// If this item is not a link, it may contain links
else if((*it).second->size())
{
MDObject::iterator subit = (*it).second->begin();
while(subit != (*it).second->end())
{
Link = (*subit).second->GetLink();
if(Link)
{
AddMetadata(Link, ForceFirst);
// Prevent the new item being top-level (which it may be as we are not added yet)
// DRAGONS: There is surely a better way than this!!
TopLevelMetadata.remove(Link);
}
subit++;
}
}
}
else if(!((*it).second->empty()))
{
AddMetadataSubs((*it).second, ForceFirst);
}
it++;
}
// Add any forced-first items after thier children
if(ForceFirst) AllMetadata.push_front(NewObject);
// If we are not yet (strong) reffed then we are top level
if(!linked)
{
if(ForceFirst) TopLevelMetadata.push_front(NewObject);
else TopLevelMetadata.push_back(NewObject);
}
// Satisfy, or record as un-matched, all outgoing references
ProcessChildRefs(NewObject);
}
/*! \note The value of "Size" does not include the size of any filler before
* the primer, but the return value does
* \return The number of bytes read (<b>including</b> any preceeding filler)
*/
Length mxflib::Partition::ReadMetadata(MXFFilePtr File, Length Size)
{
Length Bytes = 0;
Length FillerBytes = 0;
// Clear any existing metadata, including the primer
ClearMetadata(false);
// Quick return for NULL metadata
if(Size == 0) return 0;
// Record the position of the current item
Position Location = File->Tell();
// Check for a leading filler item
{
ULPtr FirstUL = File->ReadKey();
if(!FirstUL)
{
error("Error reading first KLV after %s at 0x%s in %s\n", FullName().c_str(),
Int64toHexString(GetLocation(),8).c_str(), GetSource().c_str());
return 0;
}
if(FirstUL->Matches(KLVFill_UL))
{
// Skip over the filler, recording how far we went
Position NewLocation = File->ReadBER();
NewLocation += File->Tell();
FillerBytes = NewLocation - Location;
Location = NewLocation;
}
}
// Sanity check the size for this platform
// TODO: Should we fix this so that we can read larger metadata - but if so where in memory would we put it if its > 4GB on a 32-bit machine?
if((sizeof(size_t) < 8) && Size > 0xffffffff)
{
error("Maximum read size on this platform is 4Gbytes - However, requested to read metadata at 0x%s which has size of 0x%s\n",
Int64toHexString(Location,8).c_str(), Int64toHexString(Size,8).c_str());
return 0;
}
// Read enough bytes for the metadata
File->Seek(Location);
DataChunkPtr Data = File->Read(static_cast<size_t>(Size));
if(Data->Size != static_cast<size_t>(Size))
{
error("Header Metadata starting at 0x%s should contain 0x%s bytes, but only 0x%s could be read\n",
Int64toHexString(Location,8).c_str(), Int64toHexString(Size,8).c_str(), Int64toHexString(Data->Size,8).c_str());
Size = static_cast<Length>(Data->Size);
}
// Start of data buffer
const UInt8 *BuffPtr = Data->Data;
while(Size)
{
Length BytesAtItemStart = Bytes;
if(Size < 16)
{
error("Less than 16-bytes of header metadata available after reading 0x%s bytes at 0x%s in file \"%s\"\n",
Int64toHexString(Bytes, 8).c_str(), Int64toHexString(File->Tell(),8).c_str(), File->Name.c_str() );
break;
}
/* // Sanity check the keys
if((BuffPtr[0] != 6) || (BuffPtr[1] != 0x0e))
{
error("Invalid KLV key found at 0x%s in file \"%s\"\n", Int64toHexString(File->Tell(),8).c_str(), File->Name.c_str() );
break;
}
*/
// Build an object (it may come back as an "unknown")
ULPtr NewUL = new UL(BuffPtr);
/* If we are loading metadictionaries, we do so when we first read the Preface key */
if(Feature(FeatureLoadMetadict))
{
if(NewUL->Matches(Preface_UL))
{
LoadMetadict();
}
}
MDObjectPtr NewItem = new MDObject(NewUL);
mxflib_assert(NewItem);
BuffPtr += 16;
Size -= 16;
Bytes += 16;
if(Size < 1)
{
error("Incomplete BER length at 0x%s in file \"%s\"\n", Int64toHexString(File->Tell(),8).c_str(), File->Name.c_str() );
break;
}
Length Len = *BuffPtr++;
Size--;
Bytes++;
if(Len >= 0x80)
{
UInt32 i = (UInt32)Len & 0x7f;
if(Size < i)
{
error("Incomplete BER length at 0x%s in \"%s\"\n", Int64toHexString(File->Tell(),8).c_str(), File->Name.c_str() );
break;
}
Len = 0;
while(i--)
{
Len = ((Len<<8) + *(BuffPtr++));
Size--;
Bytes++;
}
}
// DRAGONS: KLV Size limit!!
if(Len > 0xffffffff)
{
error("Current implementation KLV size limit of 0xffffffff bytes exceeded at 0x%s in file \"%s\"\n",
Int64toHexString(Location + Bytes,8).c_str(), File->Name.c_str() );
break;
}
if(Size < Len)
{
error("KLV length is %s but available data size is only %s after reading 0x%s of header metadata at 0x%s in \"%s\"\n",
UInt64toString(Len).c_str(), UInt64toString(Size).c_str(), Int64toHexString(Bytes, 8).c_str(),
Int64toHexString(Location + Bytes,8).c_str(), File->Name.c_str() );
// Try reading what we have
Len = Size;
}
// Check for the primer until we have found it
if(!PartitionPrimer)
{
if(NewItem->IsA(Primer_UL))
{
PartitionPrimer = new Primer;
UInt32 ThisBytes = PartitionPrimer->ReadValue(BuffPtr, (UInt32)Len);
Size -= ThisBytes;
Bytes += ThisBytes;
BuffPtr += ThisBytes;
// Skip further processing for the primer
continue;
}
}
// Skip any filler items
if(NewItem->IsA(KLVFill_UL))
{
Size -= Len;
Bytes += Len;
BuffPtr += Len;
// Don't add the filler
continue;
}
if(Len)
{
NewItem->SetParent(File, BytesAtItemStart + Location,(UInt32)( Bytes - BytesAtItemStart));
NewItem->ReadValue(BuffPtr,(UInt32) Len, PartitionPrimer);
// Skip total length, not just the length actually consumed
Size -= Len;
Bytes += Len;
BuffPtr += Len;
}
AddMetadata(NewItem);
}
return Bytes + FillerBytes;
}
//! Load any metadictionaties that are in the list of currently loaded objects
bool mxflib::Partition::LoadMetadict(void)
{
bool Ret = true;
/* Search for the metadictionary */
MDObjectList::iterator it = AllMetadata.begin();
while(it != AllMetadata.end())
{
if((*it)->IsA(MetaDictionary_UL))
{
/* We need to set up a symbol space for this metadictionary
At the moment we attach it to one named with the instance ID of this metadictionary item */
std::string SymSpaceName = (*it)->GetString(InstanceUID_UL);
// If there was no InstanceUID, add a random symspace
if(SymSpaceName.empty()) SymSpaceName = RandomUL()->GetString();
// See if we already have this symbol space (may have already loaded a copy of this metadictionary) - if not, build it
SymbolSpacePtr SymSpace = SymbolSpace::FindSymbolSpace(SymSpaceName);
if(!SymSpace) SymSpace = new SymbolSpace(SymSpaceName);
// Load the metdictionary and update the running status
if(!LoadMetadictionary(*it, SymSpace)) Ret = false;
}
else if((*it)->IsA(Root_UL))
{
// FIXME: Use UL when ready
//MDObjectPtr RootExtensions = (*it)->Child(RootExtensions_UL);
MDObjectPtr RootExtensions = (*it)->Child("RootExtensions");
if(RootExtensions)
{
MDObject::iterator Ext_it = RootExtensions->begin();
while(Ext_it != RootExtensions->end())
{
// Get the actual data group
MDObjectPtr ExtensionGroup = (*Ext_it).second->GetRef();
if(!ExtensionGroup)
{
error("Broken link in ExtensionGroup reference at %s\n", (*Ext_it).second->GetSourceLocation().c_str());
}
else
{
/* We need to set up a symbol space for this metadictionary */
// FIXME: Use UL when ready
//std::string SymSpaceName = ExtensionGroup->GetString(SymbolSpace_UL);
std::string SymSpaceName = ExtensionGroup->GetString("SymbolSpace");
// If there was no SymbolSpace property, add a random symspace
if(SymSpaceName.empty()) SymSpaceName = RandomUL()->GetString();
// See if we already have this symbol space (may have already loaded a copy of this metadictionary) - if not, build it
SymbolSpacePtr SymSpace = SymbolSpace::FindSymbolSpace(SymSpaceName);
if(!SymSpace) SymSpace = new SymbolSpace(SymSpaceName);
// Load the metdictionary and update the running status
if(!LoadMetadictionary(ExtensionGroup, SymSpace)) Ret = false;
}
Ext_it++;
}
}
}
it++;
}
return Ret;
}
//! Satisfy, or record as un-matched, all outgoing references
void mxflib::Partition::ProcessChildRefs(MDObjectPtr ThisObject)
{
MDObjectULList::iterator it = ThisObject->begin();
while(it != ThisObject->end())
{
// Only try to match references if not already matched
if(!(*it).second->GetLink())
{
ClassRef Ref = (*it).second->GetRefType();
if(IsRefSource(Ref))
{
if(!(*it).second->Value)
{
if(Ref != ClassRefGlobal)
{
error("Metadata Object \"%s/%s\" should be a reference source (a UUID), but has no valid value\n",
ThisObject->Name().c_str(), (*it).second->Name().c_str());
}
}
// Container for child items
else if((*it).second->Value->GetData().Size == 0)
{
// Recurse to add refs for our children
if((*it).second->size()) ProcessChildRefs((*it).second);
}
else if((*it).second->Value->GetData().Size != 16)
{
if(Ref == ClassRefGlobal)
{
error("Metadata Object \"%s/%s\" should be a global reference (a UL or UUID), but has size %d\n",
ThisObject->Name().c_str(), (*it).second->Name().c_str(), (*it).second->Value->GetData().Size);
}
else
{
error("Metadata Object \"%s/%s\" should be a reference source (a UUID), but has size %d\n",
ThisObject->Name().c_str(), (*it).second->Name().c_str(), (*it).second->Value->GetData().Size);
}
}
else
{
UUIDPtr ID = new UUID((*it).second->Value->PutData()->Data);
std::map<UUID, MDObjectPtr>::iterator mit = RefTargets.find(*ID);
if(mit == RefTargets.end())
{
// Not matched yet, so add to the list of outstanding refs
UnmatchedRefs.insert(std::multimap<UUID, MDObjectPtr>::value_type(*ID, (*it).second));
}
else
{
// Make the link
(*it).second->SetLink((*mit).second);
// If we have made a strong ref, remove the target from the top level
if(Ref == DICT_REF_STRONG) TopLevelMetadata.remove((*mit).second);
}
}
}
}
it++;
}
}
//! Dump an object and any physical or logical children
void DumpObject(MDObjectPtr Object, std::string Prefix)
{
if(DumpLocation) printf("0x%s : ", Int64toHexString(Object->GetLocation(),8).c_str());
if(Object->IsModified()) printf("%s%s is *MODIFIED*\n", Object->FullName().c_str(), Prefix.c_str() );
#ifdef OPTION3ENABLED
if(ShowBaseline)
{
if(!Object->IsBaseline())
{
if(Object->GetBaselineUL())
{
MDOTypePtr BaselineClass = MDOType::Find(Object->GetBaselineUL());
if(BaselineClass)
{
printf("%sBaseline: %s\n", Prefix.c_str(), BaselineClass->Name().c_str());
}
else
{
printf("%sNote: Current dictionary does not contain a set with the baseline UL used to wrap this non-baseline class\n", Prefix.c_str());
printf("%sBaseline: %s\n", Prefix.c_str(), Object->GetBaselineUL()->GetString().c_str());
}
Prefix += " ";
}
else
{
printf("%sNote: Current dictionary flags this class as non-baseline, but it is not wrapped in a baseline class\n", Prefix.c_str());
}
}
else
{
if(Object->GetBaselineUL())
{
printf("%sNote: Current dictionary flags this class as baseline, but it is wrapped as a non-baseline class\n", Prefix.c_str());
MDOTypePtr BaselineClass = MDOType::Find(Object->GetBaselineUL());
if(BaselineClass)
{
printf("%sBaseline: %s\n", Prefix.c_str(), BaselineClass->Name().c_str());
}
else
{
printf("%sNote: Current dictionary does not contain a set with the baseline UL used to wrap this non-baseline class\n", Prefix.c_str());
printf("%sBaseline: %s\n", Prefix.c_str(), Object->GetBaselineUL()->GetString().c_str());
}
Prefix += " ";
}
}
}
#endif // OPTION3ENABLED
if(Object->GetLink())
{
if(Object->GetRefType() == ClassRefStrong)
{
printf("%s%s = %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetString().c_str());
if(DumpLocation) printf("0x%s : ", Int64toHexString(Object->GetLocation(),8).c_str());
printf("%s%s -> Strong Reference to %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetLink()->Name().c_str());
DumpObject(Object->GetLink(), Prefix + " ");
}
else if(Object->GetRefType() == ClassRefGlobal)
{
if(FollowGlobals)
{
printf("%s%s = %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetString().c_str());
if(DumpLocation) printf("0x%s : ", Int64toHexString(Object->GetLocation(),8).c_str());
printf("%s%s -> Global Reference to %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetLink()->Name().c_str());
DumpObject(Object->GetLink(), Prefix + " ");
}
else
{
printf("%s%s -> Global Reference to %s, %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetLink()->Name().c_str(), Object->GetString().c_str());
}
}
else if(Object->GetRefType() == ClassRefMeta)
{
std::string TargetName = Object->GetLink()->GetString(MetaDefinitionName_UL, Object->GetLink()->Name());
printf("%s%s -> MetaDictionary Reference to %s %s\n", Prefix.c_str(), Object->Name().c_str(), TargetName.c_str(), Object->GetString().c_str());
}
else if(Object->GetRefType() == ClassRefDict)
{
std::string TargetName = Object->GetLink()->GetString(DefinitionObjectName_UL, Object->GetLink()->Name());
printf("%s%s -> Dictionary Reference to %s %s\n", Prefix.c_str(), Object->Name().c_str(), TargetName.c_str(), Object->GetString().c_str());
}
else
{
printf("%s%s -> Weak Reference to %s %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetLink()->Name().c_str(), Object->GetString().c_str());
}
}
else
{
if(Object->IsDValue())
{
printf("%s%s = <Unknown>\n", Prefix.c_str(), Object->Name().c_str());
}
else
{
// Check first for values that are not reference batches
if(Object->IsAValue())
{
//if(Object->Name().find("Unknown") == std::string::npos)
printf("%s%s = %s\n", Prefix.c_str(), Object->Name().c_str(), Object->GetString().c_str());
//else printf("%s%s\n", Prefix.c_str(), Object->Name().c_str());
if(Object->GetRefType() == ClassRefMeta)
printf("%s%s is an unsatisfied MetaRef\n", Prefix.c_str(), Object->Name().c_str());
else if(Object->GetRefType() == ClassRefDict)
printf("%s%s is an unsatisfied DictRef\n", Prefix.c_str(), Object->Name().c_str());
}
else
{
printf("%s%s\n", Prefix.c_str(), Object->Name().c_str());
MDObjectULList::iterator it = Object->begin();
if(!SortedDump)
{
/* Dump Objects in the order stored */
while(it != Object->end())
{
DumpObject((*it).second, Prefix + " ");
it++;
}
}
else
{
/* Dump Objects in alphabetical order - to allow easier file comparisons */
std::multimap<std::string, MDObjectPtr> ChildMap;
std::multimap<std::string, MDObjectPtr>::iterator CM_Iter;
while(it != Object->end())
{
ChildMap.insert(std::multimap<std::string, MDObjectPtr>::value_type((*it).second->Name(), (*it).second));
it++;
}
CM_Iter = ChildMap.begin();
while(CM_Iter != ChildMap.end())
{
DumpObject((*CM_Iter).second, Prefix + " ");
CM_Iter++;
}
}
}
}
}
return;
}
//! Do the main processing (less any pause before exit)
int main_process(int argc, char *argv[])
{
printf("Dump an MXF file using MXFLib\n");
std::string DictName = "dict.xml";
std::list<std::string> SuppDicts;
int num_options = 0;
for(int i=1; i<argc; i++)
{
if(argv[i][0] == '-')
{
num_options++;
if((argv[i][1] == 'a') || (argv[i][1] == 'A'))
SortedDump = true;
else if((argv[i][1] == 'v') || (argv[i][1] == 'V'))
DebugMode = true;
else if((argv[i][1] == 'i') || (argv[i][1] == 'I'))
FullIndex = true;
else if((argv[i][1] == 'c') || (argv[i][1] == 'C'))
{
if(argv[i][2] == '0')
DumpIDs = false;
else
CheckDump = true;
}
else if((argv[i][1] == 'b') || (argv[i][1] == 'B'))
FullBody = true;
// else if((argv[i][1] == 'g') || (argv[i][1] == 'G'))
// FollowGlobals = true;
else if((argv[i][1] == 'l') || (argv[i][1] == 'L'))
DumpLocation = true;
#ifdef OPTION3ENABLED
else if((argv[i][1] == 'o') || (argv[i][1] == 'O'))
ShowBaseline = true;
#endif // OPTION3ENABLED
else if((argv[i][1] == 'd') || (argv[i][1] == 'D'))
{
int Start = 2;
if((Start == 2) && ((argv[i][Start] == 'd') || (argv[i][Start] == 'D'))) Start++;
if((argv[i][Start] == '=') || (argv[i][Start] == ':')) Start++;
if(argv[i][Start]) SuppDicts.push_back(&argv[i][Start]);
else if(argc > (i+1))
{
SuppDicts.push_back(argv[++i]);
num_options++;
}
}
else if((argv[i][1] == 'u') || (argv[i][1] == 'U'))
{
MDObject::SetParseDark(true);
}
else if((argv[i][1] == 'x') || (argv[i][1] == 'X'))
{
if(argv[i][2] == '0') SetLabelFormat(LabelFormatHex);
else if(argv[i][2] == '1') SetLabelFormat(LabelFormatTextHex);
else SetLabelFormat(LabelFormatTextHexMask);
}
else if(tolower(argv[i][1]) == 't')
{
SetFeature(FeatureLoadMetadict);
printf("Loading metadictionary contents from file\n");
if(argv[i][2] == '1')
{
BootstrapDict = true;
printf("Starting with only a minimum compiled-in dictionary\n");
}
}
else if((argv[i][1] == 'm') || (argv[i][1] == 'M'))
{
int Start = 2;
if((argv[i][Start] == '=') || (argv[i][Start] == ':')) Start++;
if(argv[i][Start]) DictName = &argv[i][Start];
else if(argc > (i+1))
{
DictName = argv[++i];
num_options++;
}
#ifdef COMPILED_DICT
UseCompiledDict = false;
#endif // COMPILED_DICT
}
else if((argv[i][1] == 'z') || (argv[i][1] == 'Z'))
PauseBeforeExit = true;
}
}
if (argc - num_options < 2)
{
printf("\nUsage: %s [options] <filename>\n\n", argv[0]);
printf("Options: -a Dump sub-items alpha-sorted\n");
printf(" -b Dump body partitions (rather than just header and footer)\n");
printf(" -c Check dump (produce simple counts for automated testing)\n");
printf(" -c0 Don't dump UUID, UMID and Timestamp values (for comparing files)\n");
printf(" -dd <dict> Load supplementary dictionary (also -d for legacy)\n");
printf(" -g Follow global references (if linked)\n");
printf(" -i Dump full index tables (can be lengthy)\n");
printf(" -l Show the location (byte offset) of metadata items dumped\n");
#ifdef COMPILED_DICT
printf(" -m <dict> Specify main dictionary (instead of compile-time version)\n");
#else
printf(" -m <dict> Specify main dictionary (instead of dict.xml)\n");
#endif // COMPILED_DICT
#ifdef OPTION3ENABLED
printf(" -o Show baseline UL for sets with ObjectClass property\n");
#endif // OPTION3ENABLED
printf(" -t Load metadictionary contents from file\n");
printf(" -t1 Load metadictionary and start from a minimal subset\n");
printf(" -u Attempt to parse unknown or 'dark' sets\n");
printf(" -v Verbose mode - shows lots of debug info\n");
printf(" -x0 Always show labels as hex data\n");
printf(" -x1 Append hex data to labels\n");
printf(" -x2 or -x Append hex data to labels if 'fuzzy' matching used\n");
printf(" -z Pause for input before final exit\n");
return 1;
}
if(BootstrapDict)
{
printf("- using a minimal compile-time dictionary and extending from metadictionary\n");
LoadDictionary(BootDict);
}
else
{
if( UseCompiledDict )
{
printf("- using compile-time dictionary\n");
LoadDictionary(DictData);
}
else
{
printf("- using dictionary %s\n", DictName.c_str());
LoadDictionary(DictName);
}
}
std::list<std::string>::iterator DictIt = SuppDicts.begin();
while(DictIt != SuppDicts.end())
{
LoadDictionary(*DictIt);
DictIt++;
}
// If we are NOT dumping IDs replace thier traits
if(!DumpIDs)
{
UpdateTraitsMapping("Internal-UUID", new MessageTraits("{UUID}"));
UpdateTraitsMapping("UUID", new MessageTraits("{UUID}"));
UpdateTraitsMapping("UMID", new MessageTraits("{UMID}"));
UpdateTraitsMapping("Timestamp", new MessageTraits("{Timestamp}"));
}
MXFFilePtr TestFile = new MXFFile;
if (! TestFile->Open(argv[num_options+1], true))
{
perror(argv[num_options+1]);
return 1;
}
// Get a RIP (however possible)
TestFile->GetRIP();
unsigned int PartitionNumber = 0;
RIP::iterator it = TestFile->FileRIP.begin();
while(it != TestFile->FileRIP.end())
{
PartitionNumber++;
if(CheckDump)
printf("\nPartition for BodySID 0x%04x\n", (*it).second->BodySID);
else
printf("\nPartition at 0x%s is for BodySID 0x%04x\n", Int64toHexString((*it).second->ByteOffset,8).c_str(), (*it).second->BodySID);
// Only dump header and footer unless asked for all partitions
if(FullBody || (PartitionNumber == 1) || (PartitionNumber == TestFile->FileRIP.size()))
{
TestFile->Seek((*it).second->ByteOffset);
PartitionPtr ThisPartition = TestFile->ReadPartition();
if(ThisPartition)
{
if(CheckDump)
{
if(ThisPartition->ReadMetadata() == 0)
{
printf("No header metadata in this partition\n");
}
else
{
printf(" Top level count = %d\n", (int)ThisPartition->TopLevelMetadata.size());
printf(" Set/Pack count = %d\n", (int)ThisPartition->AllMetadata.size());
size_t Count = 0;
MDObjectList::iterator it = ThisPartition->AllMetadata.begin();
while(it != ThisPartition->AllMetadata.end())
{
Count += (*it)->size();
it++;
}
printf(" Sub item count = %d\n", (int)Count);
}
// Read any index table segments!
MDObjectListPtr Segments = ThisPartition->ReadIndex();
if(Segments->empty())
{
printf("No index table in this partition\n");
}
else
{
IndexTablePtr Table = new IndexTable;
MDObjectList::iterator it = Segments->begin();
while(it != Segments->end())
{
// Summarize this new segment
UInt32 Streams = 1;
MDObjectPtr DeltaEntryArray = (*it)[DeltaEntryArray_UL];
if(DeltaEntryArray && DeltaEntryArray->GetType()->size())
{
Streams = static_cast<UInt32>(DeltaEntryArray->size() / DeltaEntryArray->GetType()->size());
if(Streams == 0) Streams = 1; // Fix for bad DeltaEntryArray
}
Position Start = (*it)->GetInt64(IndexStartPosition_UL);
Length Duration = (*it)->GetInt64(IndexDuration_UL);
UInt32 IndexSID = (*it)->GetUInt(IndexSID_UL);
UInt32 BodySID = (*it)->GetUInt(BodySID_UL);
if(Duration == 0) printf("CBR Index Table Segment (covering whole Essence Container) :\n");
else printf("\nIndex Table Segment (first edit unit = %s, duration = %s) :\n", Int64toString(Start).c_str(), Int64toString(Duration).c_str());
printf(" Indexing BodySID 0x%04x from IndexSID 0x%04x\n", BodySID, IndexSID);
it++;
}
}
}
else
{
// Don't dump the last partition unless it is a footer or we are dumping all
// DRAGONS: What is the PartitionNumber != RIP-Size thing about?
if(FullBody || (PartitionNumber == 1) || (PartitionNumber != TestFile->FileRIP.size())
|| (ThisPartition->IsA(CompleteFooter_UL)) || (ThisPartition->IsA(Footer_UL)) )
{
DumpObject(ThisPartition->Object,"");
if(ThisPartition->ReadMetadata() == 0)
{
printf("No header metadata in this partition\n");
}
else
{
printf("\nHeader Metadata:\n");
MDObjectList::iterator it2 = ThisPartition->TopLevelMetadata.begin();
while(it2 != ThisPartition->TopLevelMetadata.end())
{
DumpObject(*it2," ");
it2++;
}
printf("\n");
}
// Read any index table segments!
MDObjectListPtr Segments = ThisPartition->ReadIndex();
if(Segments->empty())
{
printf("No index table in this partition\n");
}
else
{
IndexTablePtr Table = new IndexTable;
MDObjectList::iterator it = Segments->begin();
while(it != Segments->end())
{
Table->AddSegment(*it);
// Demonstrate this new segment
UInt32 Streams = 1;
MDObjectPtr DeltaEntryArray = (*it)[DeltaEntryArray_UL];
if(DeltaEntryArray)
{
Streams = static_cast<UInt32>(DeltaEntryArray->size());
if(Streams == 0) Streams = 1; // Fix for bad DeltaEntryArray
}
Position Start = (*it)->GetInt64(IndexStartPosition_UL);
Length Duration = (*it)->GetInt64(IndexDuration_UL);
UInt32 IndexSID = (*it)->GetUInt(IndexSID_UL);
UInt32 BodySID = (*it)->GetUInt(BodySID_UL);
if(Duration == 0) printf("CBR Index Table Segment (covering whole Essence Container) :\n");
else printf("\nIndex Table Segment (first edit unit = %s, duration = %s) :\n", Int64toString(Start).c_str(), Int64toString(Duration).c_str());
printf(" Indexing BodySID 0x%04x from IndexSID 0x%04x\n", BodySID, IndexSID);
if(Duration < 1) Duration = 6; // Could be CBR
if(!FullIndex && Duration > 35) Duration = 35; // Don't go mad!
int i;
printf( "\n Bytestream Order:\n" );
for(i=0; i<Duration; i++)
{
UInt32 j;
for(j=0; j<Streams; j++)
{
IndexPosPtr Pos = Table->Lookup(Start + i,j,false);
printf(" EditUnit %3s for stream %d is at 0x%s", Int64toString(Start + i).c_str(), j, Int64toHexString(Pos->Location,8).c_str());
printf(", TempOffset=%d", Pos->TemporalOffset);
printf(", Flags=%02x", Pos->Flags);
if(Pos->Exact) printf(" *Exact*\n"); else printf("\n");
}
}
printf( "\n Presentation Order:\n" );
for(i=0; i<Duration; i++)
{
UInt32 j;
for(j=0; j<Streams; j++)
{
IndexPosPtr Pos = Table->Lookup(Start + i,j);
printf(" EditUnit %3s for stream %d is at 0x%s", Int64toString(Start + i).c_str(), j, Int64toHexString(Pos->Location,8).c_str());
printf(", TempOffset=%d", Pos->TemporalOffset);
printf(", Flags=%02x", Pos->Flags);
/// printf(", Keyframe is at 0x%s", Int64toHexString(Pos->KeyLocation,8).c_str() );
if(Pos->Exact) printf(" *Exact*\n");
else if(Pos->OtherPos) printf(" (Location of un-reordered position %s)\n", Int64toString(Pos->ThisPos).c_str());
else printf("\n");
}
}
it++;
}
}
}
}
}
}
it++;
}
if(TestFile->ReadRIP())
{
printf("\nRead RIP\n");
PartitionInfoMap::iterator it = TestFile->FileRIP.begin();
while(it != TestFile->FileRIP.end())
{
if(CheckDump)
printf(" BodySID 0x%04x", (*it).second->BodySID);
else
printf(" BodySID 0x%04x is at 0x%s", (*it).second->BodySID, Int64toHexString((*it).second->ByteOffset,8).c_str());
if((*it).second->ThePartition)
printf(" type %s\n", (*it).second->ThePartition->Name().c_str());
else
printf(" and is not loaded\n");
it++;
}
}
if(TestFile->ScanRIP())
{
printf("\nScanned RIP\n");
PartitionInfoMap::iterator it = TestFile->FileRIP.begin();
while(it != TestFile->FileRIP.end())
{
if(CheckDump)
printf(" BodySID 0x%04x", (*it).second->BodySID);
else
printf(" BodySID 0x%04x is at 0x%s", (*it).second->BodySID, Int64toHexString((*it).second->ByteOffset,8).c_str());
if((*it).second->ThePartition)
printf(" type %s\n", (*it).second->ThePartition->Name().c_str());
else
printf(" and is not loaded\n");
it++;
}
}
/* if(TestFile->BuildRIP())
{
printf("\nBuilt RIP\n");
PartitionInfoList::iterator it = TestFile->FileRIP.begin();
while(it != TestFile->FileRIP.end())
{
printf(" BodySID 0x%04x is at 0x%s", (*it)->BodySID, Int64toHexString((*it)->ByteOffset,8).c_str());
if((*it)->ThePartition)
printf(" type %s\n", (*it)->ThePartition->Name().c_str());
else
printf(" and is not loaded\n");
it++;
}
}
*/
TestFile->Close();
/* PrimerPtr NewPrimer = new Primer;
unsigned char Key[16] = { 0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x04, 0x04, 0x06, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00 };
Tag ThisTag = NewPrimer->Lookup(new UL(Key));
printf("Tag = %s\n", Tag2String(ThisTag).c_str());
Key[11] = 5;
ThisTag = NewPrimer->Lookup(new UL(Key));
printf("NewTag = %s\n", Tag2String(ThisTag).c_str());
ThisTag = NewPrimer->Lookup(new UL(Key));
printf("NewTag = %s\n", Tag2String(ThisTag).c_str());
Key[12] = 1;
ThisTag = NewPrimer->Lookup(new UL(Key));
printf("NewTag = %s\n", Tag2String(ThisTag).c_str());
*/
return 0;
}
//! Get the offset to add to lines in field 2
int ANCVBISource::Field2Offset(void)
{
if(F2Offset >= 0) return F2Offset;
MDObjectPtr Descriptor = MasterSource->GetDescriptor();
if(!Descriptor)
{
error("EssenceDescriptor not defined for master source of ANCVBISource before calling Field2Offset()\n");
F2Offset = 0;
return F2Offset;
}
// If this is a multpile descriptor, locate the video
// DRAGONS: If we can't find a picture descriptor we will drop through with the MultipleDescriptor and give a "does not have a VideoLineMap" error
if(Descriptor->IsA(MultipleDescriptor_UL))
{
MDObject::iterator it = Descriptor->begin();
while(it != Descriptor->end())
{
if((*it).second->IsA(GenericPictureEssenceDescriptor_UL))
{
Descriptor = (*it).second;
break;
}
it++;
}
}
/* Check if this is interlaced essence */
if(Descriptor->IsDValue(FrameLayout_UL))
{
warning("EssenceDescriptor for ANCVBISource does not have a valid FrameLayout\n");
F2Offset = 0;
return F2Offset;
}
if(Descriptor->GetInt(FrameLayout_UL) != 1)
{
F2Offset = 0;
return F2Offset;
}
/* Calculate F1 to F2 distance from Video Line Map */
MDObjectPtr VideoLineMap = Descriptor->Child(VideoLineMap_UL);
if(!VideoLineMap)
{
error("EssenceDescriptor for ANCVBISource does not have a valid VideoLineMap\n");
F2Offset = 0;
return F2Offset;
}
MDObjectPtr F1Entry = VideoLineMap->Child(0);
MDObjectPtr F2Entry = VideoLineMap->Child(1);
if((!F1Entry) || (!F2Entry))
{
error("EssenceDescriptor for ANCVBISource does not have a valid VideoLineMap\n");
F2Offset = 0;
return F2Offset;
}
F2Offset = static_cast<int>(F2Entry->GetInt() - F1Entry->GetInt());
return F2Offset;
}
/*! \return A smart pointer to the new WrappingConfig for this source as a sub-stream of the specified master, or NULL if not a valid combination
*/
EssenceParser::WrappingConfigPtr ANCVBISource::MakeWrappingConfig(WrappingConfigPtr MasterCfg)
{
EssenceParser::WrappingConfigPtr SubCfg;
/* First we validate our requirements */
// Only valid for frame wrapping
if(MasterCfg->WrapOpt->ThisWrapType != WrappingOption::Frame) return SubCfg;
// Not valid if we have no line sources
if(Sources.empty()) return SubCfg;
/* Now check each line source is happy */
// TODO: Can we build a sub-set version where we only include those line sources that are happy?
std::string Description;
ANCVBILineSourceList::iterator it = Sources.begin();
while(it != Sources.end())
{
std::string ThisDesc = (*it)->ValidateConfig(MasterCfg);
if(ThisDesc.empty()) return SubCfg;
if(!Description.empty()) Description += ", plus ";
Description += ThisDesc;
it++;
}
/* Requested wrapping is valid, build the new config */
SubCfg = new EssenceParser::WrappingConfig();
SubCfg->Parser = MasterCfg->Parser;
SubCfg->WrapOpt = new WrappingOption();
SubCfg->WrapOpt->Handler = SubCfg->Parser;
SubCfg->WrapOpt->Name = "";
SubCfg->WrapOpt->Description = Description;
SubCfg->WrapOpt->GCEssenceType = GetGCEssenceType();
SubCfg->WrapOpt->GCElementType = GetGCElementType();
SubCfg->WrapOpt->ThisWrapType = MasterCfg->WrapOpt->ThisWrapType;
SubCfg->WrapOpt->CanSlave = false;
SubCfg->WrapOpt->CanIndex = false;
SubCfg->WrapOpt->CBRIndex = false;
SubCfg->WrapOpt->BERSize = 4;
SubCfg->WrapOpt->BytesPerEditUnit = 0;
SubCfg->WrapOpt->WrappingUL = GetWrappingUL();
SubCfg->EssenceDescriptor = new MDObject(ANCDataDescriptor_UL);
MDObjectPtr SampleRate = SubCfg->EssenceDescriptor->AddChild(SampleRate_UL);
SampleRate->SetInt("Numerator", MasterCfg->EditRate.Numerator);
SampleRate->SetInt("Denominator", MasterCfg->EditRate.Denominator);
SubCfg->EssenceDescriptor->SetValue(EssenceContainer_UL, DataChunk(16,SubCfg->WrapOpt->WrappingUL->GetValue()));
SubCfg->Stream = 0;
SubCfg->EditRate = MasterCfg->EditRate;
SubCfg->StartTimecode = 0;
return SubCfg;
}
