public virtual void readMetadata(MediaProbe mediaProbe, Stream data, MetadataFactory.ReadOptions options, BaseMetadata media, CancellationToken token, int timeoutSeconds)
{
XMPLib.MetaData.ErrorCallbackDelegate errorCallbackDelegate = new XMPLib.MetaData.ErrorCallbackDelegate(errorCallback);
//XMPLib.MetaData xmpMetaDataReader = new XMPLib.MetaData(errorCallbackDelegate, null);
XMPLib.MetaData xmpMetaDataReader = new XMPLib.MetaData(null, null);
try
{
FileInfo info = new FileInfo(media.Location);
info.Refresh();
media.LastModifiedDate = info.LastWriteTime < sqlMinDate ? sqlMinDate : info.LastWriteTime;
media.FileDate = info.CreationTime < sqlMinDate ? sqlMinDate : info.CreationTime;
media.MimeType = MediaFormatConvert.fileNameToMimeType(media.Name);
if (media.SupportsXMPMetadata == false)
{
return;
}
xmpMetaDataReader.open(media.Location, Consts.OpenOptions.XMPFiles_OpenForRead);
readXMPMetadata(xmpMetaDataReader, media);
}
catch (Exception e)
{
Logger.Log.Error("Cannot read XMP metadata for: " + media.Location, e);
media.MetadataReadError = e;
} finally {
xmpMetaDataReader.Dispose();
xmpMetaDataReader = null;
}
}
public virtual void writeMetadata(BaseMetadata media, CancellableOperationProgressBase progress = null)
{
Progress = progress;
XMPLib.MetaData.ErrorCallbackDelegate errorCallbackDelegate = new XMPLib.MetaData.ErrorCallbackDelegate(errorCallback);
// bug in xmplib, crashes on write when video is mpg and a progresscallback is active
XMPLib.MetaData.ProgressCallbackDelegate progressCallbackDelegate = media.MimeType.Equals("video/mpeg") ? null : new XMPLib.MetaData.ProgressCallbackDelegate(progressCallback);
XMPLib.MetaData xmpMetaDataWriter = new XMPLib.MetaData(errorCallbackDelegate, progressCallbackDelegate);
try
{
if (media.SupportsXMPMetadata)
{
xmpMetaDataWriter.open(media.Location, Consts.OpenOptions.XMPFiles_OpenForUpdate);
write(xmpMetaDataWriter, media);
}
else
{
throw new Exception("Format does not support XMP metadata");
}
}
finally
{
xmpMetaDataWriter.Dispose();
xmpMetaDataWriter = null;
}
}
public virtual void writeMetadata(BaseMetadata media, CancellableOperationProgressBase progress = null)
{
Progress = progress;
XMPLib.MetaData.ErrorCallbackDelegate errorCallbackDelegate = new XMPLib.MetaData.ErrorCallbackDelegate(errorCallback);
// bug in xmplib, crashes on write when video is mpg and a progresscallback is active
XMPLib.MetaData.ProgressCallbackDelegate progressCallbackDelegate = media.MimeType.Equals("video/mpeg") ? null : new XMPLib.MetaData.ProgressCallbackDelegate(progressCallback);
XMPLib.MetaData xmpMetaDataWriter = new XMPLib.MetaData(errorCallbackDelegate, progressCallbackDelegate);
try
{
if (media.SupportsXMPMetadata)
{
xmpMetaDataWriter.open(media.Location, Consts.OpenOptions.XMPFiles_OpenForUpdate);
write(xmpMetaDataWriter, media);
}
else
{
throw new Exception("Format does not support XMP metadata");
}
}
finally
{
xmpMetaDataWriter.Dispose();
xmpMetaDataWriter = null;
}
}
public virtual void readMetadata(MediaProbe mediaProbe, Stream data, MetadataFactory.ReadOptions options, BaseMetadata media, CancellationToken token, int timeoutSeconds)
{
XMPLib.MetaData.ErrorCallbackDelegate errorCallbackDelegate = new XMPLib.MetaData.ErrorCallbackDelegate(errorCallback);
//XMPLib.MetaData xmpMetaDataReader = new XMPLib.MetaData(errorCallbackDelegate, null);
XMPLib.MetaData xmpMetaDataReader = new XMPLib.MetaData(null, null);
try
{
FileInfo info = new FileInfo(media.Location);
info.Refresh();
media.LastModifiedDate = info.LastWriteTime < sqlMinDate ? sqlMinDate : info.LastWriteTime;
media.FileDate = info.CreationTime < sqlMinDate ? sqlMinDate : info.CreationTime;
media.MimeType = MediaFormatConvert.fileNameToMimeType(media.Name);
if (media.SupportsXMPMetadata == false) return;
xmpMetaDataReader.open(media.Location, Consts.OpenOptions.XMPFiles_OpenForRead);
readXMPMetadata(xmpMetaDataReader, media);
}
catch (Exception e)
{
Logger.Log.Error("Cannot read XMP metadata for: " + media.Location, e);
media.MetadataReadError = e;
} finally {
xmpMetaDataReader.Dispose();
xmpMetaDataReader = null;
}
}
