void XMPMetadataSource::loadReference(const MetaString& thisRefPath, const shared_ptr<Metadata>& md, MetadataStream& stream)
{
XMP_Int64 id;
MetaString tmpPath;
MetaString refName;
SXMPUtils::ComposeStructFieldPath(VMF_NS, thisRefPath.c_str(), VMF_NS, REF_NAME, &tmpPath);
if (!xmp->GetProperty(VMF_NS, tmpPath.c_str(), &refName, nullptr))
refName = "";
SXMPUtils::ComposeStructFieldPath(VMF_NS, thisRefPath.c_str(), VMF_NS, REF_ID, &tmpPath);
if (!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), &id, nullptr))
{
VMF_EXCEPTION(DataStorageException, "Broken reference by path" + thisRefPath);
}
IdType realId = id;
shared_ptr<Metadata> refTo = stream.getById(realId);
if (!refTo)
{
auto it = idMap.find(realId);
if (it == idMap.end())
{
VMF_EXCEPTION(DataStorageException, "Undefined reference by path " + thisRefPath);
}
InternalPath path = it->second;
std::shared_ptr<MetadataSchema> refSchemaDesc = stream.getSchema(path.schema);
std::shared_ptr<MetadataDesc> refMetadataDesc = refSchemaDesc->findMetadataDesc(path.metadata);
loadMetadata(path.path, refMetadataDesc, stream);
refTo = stream.getById(realId);
}
md->addReference(refTo, refName);
}
void XMPMetadataSource::loadField(const MetaString& fieldPath, const shared_ptr<Metadata>& md, const shared_ptr<MetadataDesc>& thisPropertyDesc)
{
MetaString rawValue;
if (!xmp->GetProperty(VMF_NS, fieldPath.c_str(), &rawValue, NULL))
{
VMF_EXCEPTION(DataStorageException, "Corrupted field by path " + fieldPath);
}
MetaString fieldName;
if (!xmp->GetQualifier(VMF_NS, fieldPath.c_str(), VMF_NS, FIELD_NAME, &fieldName, NULL))
{
fieldName = "";
}
FieldDesc thisFieldDesc;
if (!thisPropertyDesc->getFieldDesc(thisFieldDesc, fieldName))
{
VMF_EXCEPTION(DataStorageException, "Extra field by path " + fieldPath);
}
Variant fieldValue;
fieldValue.fromString(thisFieldDesc.type, rawValue);
if (fieldName.empty())
{
md->addValue(fieldValue);
}
else
{
md->setFieldValue(fieldName, fieldValue);
}
}
void XMPMetadataSource::loadIds(const vmf::MetaString& pathToSchema)
{
MetaString pathToPropertiesArray;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSchema.c_str(), VMF_NS, SCHEMA_SET, &pathToPropertiesArray);
MetaString schemaName;
loadSchemaName(pathToSchema, schemaName);
SXMPIterator pIter(*xmp, VMF_NS, pathToPropertiesArray.c_str(), kXMP_IterJustChildren);
MetaString pathToCurrentProperty;
while (pIter.Next(nullptr, &pathToCurrentProperty))
{
MetaString metadataName;
loadPropertyName(pathToCurrentProperty, metadataName);
MetaString pathToCurrentMetadataSet;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToCurrentProperty.c_str(), VMF_NS, PROPERTY_SET, &pathToCurrentMetadataSet);
SXMPIterator mIter(*xmp, VMF_NS, pathToCurrentMetadataSet.c_str(), kXMP_IterJustChildren);
MetaString pathToCurrentMetadata;
while (mIter.Next(nullptr, &pathToCurrentMetadata))
{
IdType id;
loadMetadataId(pathToCurrentMetadata, id);
InternalPath path;
path.schema = schemaName;
path.metadata = metadataName;
path.path = pathToCurrentMetadata;
idMap[id] = path;
}
}
}
void XMPMetadataSource::saveMetadata(const shared_ptr<Metadata>& md, const MetaString& thisPropertySetPath)
{
if (md == nullptr)
VMF_EXCEPTION(DataStorageException, "Trying to save nullptr metadata");
MetaString pathToMetadata;
auto it = idMap.find(md->getId());
if (it == idMap.end())
{
xmp->AppendArrayItem(VMF_NS, thisPropertySetPath.c_str(), kXMP_PropValueIsArray, nullptr, kXMP_PropValueIsStruct);
SXMPUtils::ComposeArrayItemPath(VMF_NS, thisPropertySetPath.c_str(), kXMP_ArrayLastItem, &pathToMetadata);
}
else
{
pathToMetadata = it->second.path;
}
saveMetadataId(pathToMetadata, md->getId());
saveMetadataFrameIndex(pathToMetadata, md->getFrameIndex());
saveMetadataNumOfFrames(pathToMetadata, md->getNumOfFrames());
saveMetadataTime(pathToMetadata, md->getTime());
saveMetadataDuration(pathToMetadata, md->getDuration());
saveMetadataFields(pathToMetadata, md);
saveMetadataReferences(pathToMetadata, md);
}
void XMPMetadataSource::saveProperty(const MetadataSet& property, const MetaString& pathToSchema, const MetaString& propertyName)
{
if (property.empty())
{
// not loaded or empty. In any case nothing to do.
return;
}
MetaString pathToPropertiesArray;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSchema.c_str(), VMF_NS, SCHEMA_SET, &pathToPropertiesArray);
MetaString thisPropertyPath = findProperty(pathToSchema, propertyName);
if (thisPropertyPath.empty())
{
xmp->AppendArrayItem(VMF_NS, pathToPropertiesArray.c_str(), kXMP_PropValueIsArray, nullptr, kXMP_PropValueIsStruct);
SXMPUtils::ComposeArrayItemPath(VMF_NS, pathToPropertiesArray.c_str(), kXMP_ArrayLastItem, &thisPropertyPath);
}
savePropertyName(thisPropertyPath, propertyName);
xmp->SetStructField(VMF_NS, thisPropertyPath.c_str(), VMF_NS, PROPERTY_SET, nullptr, kXMP_PropValueIsArray);
MetaString thisPropertySetPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, thisPropertyPath.c_str(), VMF_NS, PROPERTY_SET, &thisPropertySetPath);
for(auto metadata = property.begin(); metadata != property.end(); ++metadata)
{
saveMetadata(*metadata, thisPropertySetPath);
}
}
void XMPMetadataSource::saveMetadataReferences(const MetaString& pathToMetadata, const shared_ptr<Metadata>& md)
{
auto refs = md->getAllReferences();
if (refs.empty())
{
return;
}
xmp->DeleteStructField(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_REFERENCES);
MetaString pathToRefs;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_REFERENCES, &pathToRefs);
xmp->SetStructField(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_REFERENCES, nullptr, kXMP_PropValueIsArray);
for(auto ref = refs.begin(); ref != refs.end(); ++ref)
{
auto spMetadata = ref->getReferenceMetadata().lock();
if (spMetadata == NULL)
VMF_EXCEPTION(NullPointerException, "Trying to save nullptr reference in property by path " + pathToMetadata);
xmp->AppendArrayItem(VMF_NS, pathToRefs.c_str(), kXMP_PropValueIsArray, nullptr, kXMP_PropValueIsStruct);
MetaString pathToThisRef;
SXMPUtils::ComposeArrayItemPath(VMF_NS, pathToRefs.c_str(), kXMP_ArrayLastItem, &pathToThisRef);
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToThisRef.c_str(), VMF_NS, REF_NAME, &tmpPath);
xmp->SetProperty(VMF_NS, tmpPath.c_str(), ref->getReferenceDescription()->name.c_str());
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToThisRef.c_str(), VMF_NS, REF_ID, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), spMetadata->getId());
}
}
void XMPMetadataSource::loadMetadata(const MetaString& pathToCurrentMetadata, const shared_ptr<MetadataDesc>& description, MetadataStream& stream)
{
IdType id;
loadMetadataId(pathToCurrentMetadata, id);
shared_ptr<Metadata> thisMetadata = stream.getById(id);
if (thisMetadata)
{
// already loaded
return;
}
long long frameIndex;
loadMetadataFrameIndex(pathToCurrentMetadata, frameIndex);
long long numOfFrames;
loadMetadataNumOfFrames(pathToCurrentMetadata, numOfFrames);
long long timestamp;
loadMetadataTime(pathToCurrentMetadata, timestamp);
long long duration;
loadMetadataDuration(pathToCurrentMetadata, duration);
shared_ptr<MetadataAccessor> metadataAccessor(new MetadataAccessor(description));
metadataAccessor->setFrameIndex(frameIndex, numOfFrames);
metadataAccessor->setTimestamp(timestamp, duration);
metadataAccessor->setId(id);
MetaString fieldsPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToCurrentMetadata.c_str(), VMF_NS, METADATA_FIELDS, &fieldsPath);
shared_ptr<MetadataSchema> thisSchemaDesc = stream.getSchema(description->getSchemaName());
shared_ptr<MetadataDesc> thisPropertyDesc = thisSchemaDesc->findMetadataDesc(description->getMetadataName());
SXMPIterator fieldsIterator(*xmp, VMF_NS, fieldsPath.c_str(), kXMP_IterJustChildren);
MetaString currentFieldPath;
while(fieldsIterator.Next(NULL, ¤tFieldPath))
{
loadField(currentFieldPath, metadataAccessor, thisPropertyDesc);
}
MetadataStreamAccessor* streamAccessor = (MetadataStreamAccessor*) &stream;
streamAccessor->internalAdd(metadataAccessor);
// Load refs only after adding to steam to stop recursive loading when there are circular references
MetaString pathToRefs;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToCurrentMetadata.c_str(), VMF_NS, METADATA_REFERENCES, &pathToRefs);
SXMPIterator refsIterator(*xmp, VMF_NS, pathToRefs.c_str(), kXMP_IterJustChildren);
MetaString currentRefPath;
while(refsIterator.Next(NULL, ¤tRefPath))
{
loadReference(currentRefPath, metadataAccessor, stream);
}
}
void XMPMetadataSource::loadMetadataId(const MetaString& pathToMetadata, IdType& id)
{
MetaString pathToId;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_ID, &pathToId);
XMP_Int64 idValue;
if(!xmp->GetProperty_Int64(VMF_NS, pathToId.c_str(), &idValue, kXMP_NoOptions))
{
VMF_EXCEPTION(DataStorageException, "Broken property by path " + pathToMetadata);
}
id = (IdType) idValue;
}
void XMPMetadataSource::saveMetadataNumOfFrames(const MetaString& pathToProperty, const long long& numOfFrames)
{
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_NUM_OF_FRAMES, &tmpPath);
if (numOfFrames > 0)
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), numOfFrames);
else if (numOfFrames == Metadata::UNDEFINED_FRAMES_NUMBER)
xmp->DeleteProperty(VMF_NS, tmpPath.c_str());
else
VMF_EXCEPTION(DataStorageException, "Can't save metadata number of frames. Invalid number of frames value");
}
void XMPMetadataSource::saveMetadataFrameIndex(const MetaString& pathToProperty, const long long& frameIndex)
{
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_FRAME_INDEX, &tmpPath);
if (frameIndex >= 0)
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), frameIndex);
else if (frameIndex == Metadata::UNDEFINED_FRAME_INDEX)
xmp->DeleteProperty(VMF_NS, tmpPath.c_str());
else
VMF_EXCEPTION(DataStorageException, "Can't save metadata frame index. Invalid frame index value");
}
void XMPMetadataSource::saveMetadataTime(const MetaString& pathToProperty, const long long& time)
{
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_TIMESTAMP, &tmpPath);
if (time >= 0)
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), time);
else if (time == Metadata::UNDEFINED_TIMESTAMP)
xmp->DeleteProperty(VMF_NS, tmpPath.c_str());
else
VMF_EXCEPTION(DataStorageException, "Can't save metadata timestamp. Invalid timestamp value");
}
void XMPMetadataSource::saveMetadataDuration(const MetaString& pathToProperty, const long long& duration)
{
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_DURATION, &tmpPath);
if (duration > 0)
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), duration);
else if (duration == Metadata::UNDEFINED_DURATION)
xmp->DeleteProperty(VMF_NS, tmpPath.c_str());
else
VMF_EXCEPTION(DataStorageException, "Can't save metadata duration. Invalid duration value");
}
void XMPMetadataSource::saveField(const MetaString& fieldName, const Variant& _value, const MetaString& fieldsPath)
{
std::string value = _value.toString();
if(value.empty())
value = " ";
xmp->AppendArrayItem(VMF_NS, fieldsPath.c_str(), kXMP_PropValueIsArray, value, kXMP_NoOptions);
if (!fieldName.empty())
{
MetaString thisFieldPath;
SXMPUtils::ComposeArrayItemPath(VMF_NS, fieldsPath.c_str(), kXMP_ArrayLastItem, &thisFieldPath);
xmp->SetQualifier(VMF_NS, thisFieldPath.c_str(), VMF_NS, FIELD_NAME, fieldName.c_str(), kXMP_NoOptions);
}
}
void XMPMetadataSource::loadMetadataFrameIndex(const MetaString& pathToMetadata, long long& frameIndex)
{
XMP_Int64 frameIndexValue;
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_FRAME_INDEX, &tmpPath);
if(!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), &frameIndexValue, nullptr))
{
frameIndexValue = Metadata::UNDEFINED_FRAME_INDEX;
}
if(frameIndexValue < 0 && frameIndexValue != Metadata::UNDEFINED_FRAME_INDEX)
{
VMF_EXCEPTION(DataStorageException, "Can't load metadata frame index. Invalid frame index value");
}
frameIndex = frameIndexValue;
}
void XMPMetadataSource::loadMetadataDuration(const MetaString& pathToProperty, long long& dur)
{
XMP_Int64 duration;
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_DURATION, &tmpPath);
if (!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), &duration, nullptr))
{
duration = Metadata::UNDEFINED_DURATION;
}
if(duration < 0)
{
VMF_EXCEPTION(DataStorageException, "Can't load metadata duration. Invalid duration value");
}
dur = duration;
}
void XMPMetadataSource::loadMetadataTime(const MetaString& pathToProperty, long long& time)
{
XMP_Int64 timestamp;
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_TIMESTAMP, &tmpPath);
if (!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), ×tamp, nullptr))
{
timestamp = Metadata::UNDEFINED_TIMESTAMP;
}
if(timestamp < 0 && timestamp != Metadata::UNDEFINED_TIMESTAMP)
{
VMF_EXCEPTION(DataStorageException, "Can't load metadata timestamp. Invalid timestamp value");
}
time = timestamp;
}
void XMPMetadataSource::loadMetadataNumOfFrames(const MetaString& pathToProperty, long long& num)
{
XMP_Int64 numOfFrames;
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, METADATA_NUM_OF_FRAMES, &tmpPath);
if (!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), &numOfFrames, nullptr))
{
numOfFrames = Metadata::UNDEFINED_FRAMES_NUMBER;
}
if(numOfFrames < 0)
{
VMF_EXCEPTION(DataStorageException, "Can't load metadata number of frames. Invalid number of frames value");
}
num = numOfFrames;
}
void XMPMetadataSource::loadPropertyName(const MetaString& pathToMetadata, MetaString& metadataName)
{
if(!xmp->GetStructField(VMF_NS, pathToMetadata.c_str(), VMF_NS, PROPERTY_NAME, &metadataName, nullptr))
{
VMF_EXCEPTION(DataStorageException, "Corrupted property by path " + pathToMetadata);
}
}
void XMPMetadataSource::loadSchemaName(const MetaString &pathToSchema, MetaString& schemaName)
{
if (!xmp->GetStructField(VMF_NS, pathToSchema.c_str(), VMF_NS, SCHEMA_NAME, &schemaName, nullptr))
{
VMF_EXCEPTION(DataStorageException, "Broken schema by path " + pathToSchema);
}
}
void XMPMetadataSource::loadSchema(const MetaString &schemaName, MetadataStream &stream)
{
MetaString schemaPath = findSchema(schemaName);
if (schemaPath.empty())
{
VMF_EXCEPTION(DataStorageException, "Schema " + schemaName + " not found");
}
MetaString pathToProperties;
SXMPUtils::ComposeStructFieldPath(VMF_NS, schemaPath.c_str(), VMF_NS, SCHEMA_SET, &pathToProperties);
SXMPIterator propIterator(*xmp, VMF_NS, pathToProperties.c_str(), kXMP_IterJustChildren);
MetaString currentPropertyPath;
while(propIterator.Next(NULL, ¤tPropertyPath))
{
loadPropertyByPath(currentPropertyPath, schemaName, stream);
}
}
void XMPMetadataSource::loadPropertyByPath(const MetaString& pathToProperty, const MetaString& schemaName, MetadataStream& stream)
{
shared_ptr<MetadataSchema> schema(stream.getSchema(schemaName));
MetaString metadataName;
loadPropertyName(pathToProperty, metadataName);
MetaString pathToMetadataSet;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToProperty.c_str(), VMF_NS, PROPERTY_SET, &pathToMetadataSet);
shared_ptr<MetadataDesc> description(schema->findMetadataDesc(metadataName));
SXMPIterator mIter(*xmp, VMF_NS, pathToMetadataSet.c_str(), kXMP_IterJustChildren);
MetaString pathToCurrentMetadata;
while(mIter.Next(nullptr, &pathToCurrentMetadata))
{
loadMetadata(pathToCurrentMetadata, description, stream);
}
//unsorted stream fails on save
stream.sortById();
}
MetaString XMPMetadataSource::findProperty(const MetaString& pathToSchema, const MetaString& name)
{
MetaString pathToSchemaSet;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSchema.c_str(), VMF_NS, SCHEMA_SET, &pathToSchemaSet);
SXMPIterator pIter(*xmp, VMF_NS, pathToSchemaSet.c_str(), kXMP_IterJustChildren);
MetaString currentPropertyPath;
while(pIter.Next(nullptr, ¤tPropertyPath))
{
MetaString currentPropertyName;
if (!xmp->GetStructField(VMF_NS, currentPropertyPath.c_str(), VMF_NS, PROPERTY_NAME, ¤tPropertyName, kXMP_NoOptions))
{
VMF_EXCEPTION(DataStorageException, "Broken property by path " + currentPropertyPath);
}
if (currentPropertyName == name)
{
return currentPropertyPath;
}
}
return MetaString("");
}
void XMPMetadataSource::saveMetadataFields(const MetaString& pathToMetadata, const shared_ptr<Metadata>& md)
{
xmp->DeleteStructField(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_FIELDS);
MetaString fieldsPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_FIELDS, &fieldsPath);
vector<MetaString> fieldNames = md->getFieldNames();
if (fieldNames.empty() && !md->empty())
{
for(auto it = md->begin(); it != md->end(); ++it)
{
saveField("", *it, fieldsPath);
}
}
else
{
for(auto it = fieldNames.begin(); it != fieldNames.end(); ++it)
{
saveField(*it, md->getFieldValue(*it), fieldsPath);
}
}
}
void XMPDataSource::loadVideoSegments(std::vector<std::shared_ptr<MetadataStream::VideoSegment>>& segments)
{
MetaString pathToInternalData;
SXMPUtils::ComposeArrayItemPath(VMF_NS, VMF_INTERNAL, kXMP_ArrayLastItem, &pathToInternalData);
MetaString pathToSegmentsArray;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToInternalData.c_str(), VMF_NS, VMF_VIDEO_SEGMENTS, &pathToSegmentsArray);
SXMPIterator segmentsIter(*xmp, VMF_NS, pathToSegmentsArray.c_str(), kXMP_IterJustChildren);
MetaString pathToSegment;
while (segmentsIter.Next(nullptr, &pathToSegment))
{
MetaString tmpPath, segmentTitle;
double fps;
long long timestamp, duration;
XMP_Int32 width, height;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_NAME, &tmpPath);
if(!xmp->GetProperty(VMF_NS, tmpPath.c_str(), &segmentTitle, kXMP_NoOptions) )
VMF_EXCEPTION(DataStorageException, "Broken video segment's title");
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_FPS, &tmpPath);
if(!xmp->GetProperty_Float(VMF_NS, tmpPath.c_str(), &fps, kXMP_NoOptions) )
VMF_EXCEPTION(DataStorageException, "Broken video segment's FPS");
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_TIME, &tmpPath);
if(!xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), ×tamp, kXMP_NoOptions) )
VMF_EXCEPTION(DataStorageException, "Broken video segment's timestamp");
std::shared_ptr<MetadataStream::VideoSegment> segment = std::make_shared<MetadataStream::VideoSegment>(segmentTitle, fps, timestamp);
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_DURATION, &tmpPath);
if(xmp->GetProperty_Int64(VMF_NS, tmpPath.c_str(), &duration, kXMP_NoOptions) )
segment->setDuration(duration);
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_RESOLUTION_W, &tmpPath);
if(xmp->GetProperty_Int(VMF_NS, tmpPath.c_str(), &width, kXMP_NoOptions) )
{
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_RESOLUTION_H, &tmpPath);
if(xmp->GetProperty_Int(VMF_NS, tmpPath.c_str(), &height, kXMP_NoOptions))
segment->setResolution((long)width, (long)height);
}
segments.push_back(segment);
}
}
void XMPMetadataSource::saveSchema(const MetaString& schemaName, const MetadataStream& stream)
{
shared_ptr<MetadataSchema> thisSchemaDescription = stream.getSchema(schemaName);
MetaString thisSchemaPath = findSchema(schemaName);
if (thisSchemaPath.empty())
{
xmp->AppendArrayItem(VMF_NS, VMF_GLOBAL_SCHEMAS_ARRAY, kXMP_PropValueIsArray, NULL, kXMP_PropValueIsStruct);
SXMPUtils::ComposeArrayItemPath(VMF_NS, VMF_GLOBAL_SCHEMAS_ARRAY, kXMP_ArrayLastItem, &thisSchemaPath);
xmp->SetStructField(VMF_NS, thisSchemaPath.c_str(), VMF_NS, SCHEMA_NAME, schemaName);
xmp->SetStructField(VMF_NS, thisSchemaPath.c_str(), VMF_NS, SCHEMA_SET, nullptr, kXMP_PropValueIsArray);
}
MetadataSet thisSchemaSet = stream.queryBySchema(schemaName);
vector< shared_ptr<MetadataDesc> > thisSchemaProperties = thisSchemaDescription->getAll();
for(auto descIter = thisSchemaProperties.begin(); descIter != thisSchemaProperties.end(); ++descIter)
{
MetaString metadataName = (*descIter)->getMetadataName();
MetadataSet currentPropertySet(thisSchemaSet.queryByName(metadataName));
saveProperty(currentPropertySet, thisSchemaPath, metadataName);
}
}
void XMPDataSource::saveChecksum(const MetaString& checksum)
{
xmp->SetProperty(VMF_NS, VMF_GLOBAL_CHECKSUM, checksum.c_str());
pushChanges();
}
void XMPMetadataSource::savePropertyName(const MetaString& pathToProperty, const MetaString& name)
{
xmp->SetStructField(VMF_NS, pathToProperty.c_str(), VMF_NS, PROPERTY_NAME, name.c_str());
}
void XMPDataSource::saveVideoSegments(const std::vector<std::shared_ptr<MetadataStream::VideoSegment>>& segments)
{
xmp->DeleteProperty(VMF_NS, VMF_INTERNAL);
MetaString pathToInternalData;
xmp->AppendArrayItem(VMF_NS, VMF_INTERNAL, kXMP_PropValueIsArray, NULL, kXMP_PropValueIsStruct);
SXMPUtils::ComposeArrayItemPath(VMF_NS, VMF_INTERNAL, kXMP_ArrayLastItem, &pathToInternalData);
xmp->SetStructField(VMF_NS, pathToInternalData.c_str(), VMF_NS, VMF_VIDEO_SEGMENTS, nullptr, kXMP_PropValueIsArray);
std::for_each(segments.begin(), segments.end(), [&](const std::shared_ptr<MetadataStream::VideoSegment>& segment)
{
MetaString pathToSegmentsArray;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToInternalData.c_str(), VMF_NS, VMF_VIDEO_SEGMENTS, &pathToSegmentsArray);
xmp->AppendArrayItem(VMF_NS, pathToSegmentsArray.c_str(), kXMP_PropValueIsArray, nullptr, kXMP_PropValueIsStruct);
MetaString pathToSegment;
SXMPUtils::ComposeArrayItemPath(VMF_NS, pathToSegmentsArray.c_str(), kXMP_ArrayLastItem, &pathToSegment);
MetaString tmpPath;
if (segment->getTitle().empty() || segment->getFPS() <= 0 || segment->getTime() < 0)
VMF_EXCEPTION(DataStorageException, "Invalid video segment: title, fps or timestamp value(s) is/are invalid!");
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_NAME, &tmpPath);
xmp->SetProperty(VMF_NS, tmpPath.c_str(), segment->getTitle().c_str());
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_FPS, &tmpPath);
xmp->SetProperty_Float(VMF_NS, tmpPath.c_str(), segment->getFPS());
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_TIME, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), segment->getTime());
if (segment->getDuration() > 0)
{
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_DURATION, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), segment->getDuration());
}
long width, height;
segment->getResolution(width, height);
if (width > 0 && height > 0)
{
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_RESOLUTION_W, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), width);
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToSegment.c_str(), VMF_NS, VMF_VIDEO_SEGMENT_RESOLUTION_H, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), height);
}
});
pushChanges();
}
void XMPMetadataSource::saveMetadataId(const MetaString& pathToMetadata, const IdType& id)
{
MetaString tmpPath;
SXMPUtils::ComposeStructFieldPath(VMF_NS, pathToMetadata.c_str(), VMF_NS, METADATA_ID, &tmpPath);
xmp->SetProperty_Int64(VMF_NS, tmpPath.c_str(), id);
}