public DicomCompressCommand(DicomMessageBase file, XmlDocument parms, bool failOnCodecException) : base("DICOM Compress Command", true) { _file = file; _failOnCodecException = failOnCodecException; XmlElement element = parms.DocumentElement; string syntax = element.Attributes["syntax"].Value; _syntax = TransferSyntax.GetTransferSyntax(syntax); if (_syntax == null) { string failureDescription = String.Format("Invalid transfer syntax in compression command: {0}", element.Attributes["syntax"].Value); Platform.Log(LogLevel.Error, "Error with input syntax: {0}", failureDescription); throw new DicomCodecException(failureDescription); } IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories(); IDicomCodecFactory theCodecFactory = null; foreach (IDicomCodecFactory codec in codecs) { if (codec.CodecTransferSyntax.Equals(_syntax)) { theCodecFactory = codec; break; } } if (theCodecFactory == null) { string failureDescription = String.Format("Unable to find codec for compression: {0}", _syntax.Name); Platform.Log(LogLevel.Error, "Error with compression input parameters: {0}", failureDescription); throw new DicomCodecException(failureDescription); } _codec = theCodecFactory.GetDicomCodec(); _parms = theCodecFactory.GetCodecParameters(parms); }
private byte SelectPresentationContext(ClientAssociationParameters association, DicomFile file, out DicomMessage message) { byte pcid = 0; message = new DicomMessage(file); // If Lossy compressed & we have a matching context, send // If we don't have a codec, just return if (message.TransferSyntax.Encapsulated && message.TransferSyntax.LossyCompressed) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax); if (pcid != 0) { return(pcid); } if (DicomCodecRegistry.GetCodec(message.TransferSyntax) == null) { return(0); } } // If the image is lossless compressed & we don't have a codec, send if we // can as is. if (message.TransferSyntax.Encapsulated && message.TransferSyntax.LosslessCompressed) { if (DicomCodecRegistry.GetCodec(message.TransferSyntax) == null) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax); return(pcid); } } // If lossless compressed & requesting lossless syntax, just send as is if (message.TransferSyntax.Encapsulated && message.TransferSyntax.LosslessCompressed && ((_sendRequest.CompressionType == CompressionType.Rle || _sendRequest.CompressionType == CompressionType.JpegLossless || _sendRequest.CompressionType == CompressionType.J2KLossless))) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax); if (pcid != 0) { return(pcid); } } if (_sendRequest.CompressionType == CompressionType.Rle) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.RleLossless); if (pcid != 0) { return(pcid); } } else if (_sendRequest.CompressionType == CompressionType.JpegLossless) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.JpegLosslessNonHierarchicalFirstOrderPredictionProcess14SelectionValue1); if (pcid != 0) { return(pcid); } } else if (_sendRequest.CompressionType == CompressionType.J2KLossless) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.Jpeg2000ImageCompressionLosslessOnly); if (pcid != 0) { return(pcid); } } else if (_sendRequest.CompressionType == CompressionType.J2KLossy) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.Jpeg2000ImageCompression); if (pcid != 0) { var doc = new XmlDocument(); XmlElement element = doc.CreateElement("compress"); doc.AppendChild(element); XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax"); syntaxAttribute.Value = TransferSyntax.Jpeg2000ImageCompressionUid; element.Attributes.Append(syntaxAttribute); decimal ratio = 100.0m / _sendRequest.CompressionLevel; XmlAttribute ratioAttribute = doc.CreateAttribute("ratio"); ratioAttribute.Value = ratio.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(ratioAttribute); syntaxAttribute = doc.CreateAttribute("convertFromPalette"); syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(syntaxAttribute); IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories(); foreach (IDicomCodecFactory codec in codecs) { if (codec.CodecTransferSyntax.Equals(TransferSyntax.Jpeg2000ImageCompression)) { try { if (message.TransferSyntax.Encapsulated) { message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian); message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian; } message.ChangeTransferSyntax(TransferSyntax.Jpeg2000ImageCompression, codec.GetDicomCodec(), codec.GetCodecParameters(doc)); message.TransferSyntax = TransferSyntax.Jpeg2000ImageCompression; return(pcid); } catch (Exception e) { Platform.Log(LogLevel.Warn, e, "Unexpected exception changing transfer syntax to {0}.", TransferSyntax.Jpeg2000ImageCompression.Name); } } } } } else if (_sendRequest.CompressionType == CompressionType.JpegLossy) { var iod = new ImagePixelMacroIod(message.DataSet); if (iod.BitsStored == 8) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.JpegBaselineProcess1); if (pcid != 0) { var doc = new XmlDocument(); XmlElement element = doc.CreateElement("compress"); doc.AppendChild(element); XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax"); syntaxAttribute.Value = TransferSyntax.JpegBaselineProcess1Uid; element.Attributes.Append(syntaxAttribute); syntaxAttribute = doc.CreateAttribute("quality"); syntaxAttribute.Value = _sendRequest.CompressionLevel.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(syntaxAttribute); syntaxAttribute = doc.CreateAttribute("convertFromPalette"); syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(syntaxAttribute); IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories(); foreach (IDicomCodecFactory codec in codecs) { if (codec.CodecTransferSyntax.Equals(TransferSyntax.JpegBaselineProcess1)) { try { if (message.TransferSyntax.Encapsulated) { message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian); message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian; } message.ChangeTransferSyntax(TransferSyntax.JpegBaselineProcess1, codec.GetDicomCodec(), codec.GetCodecParameters(doc)); message.TransferSyntax = TransferSyntax.JpegBaselineProcess1; return(pcid); } catch (Exception e) { Platform.Log(LogLevel.Warn, e, "Unexpected exception changing transfer syntax to {0}.", TransferSyntax.JpegBaselineProcess1.Name); } } } } } else if (iod.BitsStored == 12) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.JpegExtendedProcess24); if (pcid != 0) { var doc = new XmlDocument(); XmlElement element = doc.CreateElement("compress"); doc.AppendChild(element); XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax"); syntaxAttribute.Value = TransferSyntax.JpegExtendedProcess24Uid; element.Attributes.Append(syntaxAttribute); syntaxAttribute = doc.CreateAttribute("quality"); syntaxAttribute.Value = _sendRequest.CompressionLevel.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(syntaxAttribute); syntaxAttribute = doc.CreateAttribute("convertFromPalette"); syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture); element.Attributes.Append(syntaxAttribute); IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories(); foreach (IDicomCodecFactory codec in codecs) { if (codec.CodecTransferSyntax.Equals(TransferSyntax.JpegExtendedProcess24)) { try { if (message.TransferSyntax.Encapsulated) { message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian); message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian; } message.ChangeTransferSyntax(TransferSyntax.JpegExtendedProcess24, codec.GetDicomCodec(), codec.GetCodecParameters(doc)); message.TransferSyntax = TransferSyntax.JpegExtendedProcess24; return(pcid); } catch (Exception e) { Platform.Log(LogLevel.Warn, e, "Unexpected exception changing transfer syntax to {0}.", TransferSyntax.JpegExtendedProcess24.Name); } } } } } } if (pcid == 0) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.ExplicitVrLittleEndian); } if (pcid == 0) { pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.ImplicitVrLittleEndian); } return(pcid); }
protected override void ProcessItem(Model.WorkQueue item) { LoadUids(item); if (WorkQueueUidList.Count == 0) { // No UIDs associated with the WorkQueue item. Set the status back to idle PostProcessing(item, WorkQueueProcessorStatus.Idle, WorkQueueProcessorDatabaseUpdate.ResetQueueState); return; } XmlElement element = item.Data.DocumentElement; string syntax = element.Attributes["syntax"].Value; TransferSyntax compressSyntax = TransferSyntax.GetTransferSyntax(syntax); if (compressSyntax == null) { item.FailureDescription = String.Format("Invalid transfer syntax in compression WorkQueue item: {0}", element.Attributes["syntax"].Value); Platform.Log(LogLevel.Error, "Error with work queue item {0}: {1}", item.GetKey(), item.FailureDescription); base.PostProcessingFailure(item, WorkQueueProcessorFailureType.Fatal); return; } if (Study == null) { item.FailureDescription = String.Format("Compression item does not have a linked Study record"); Platform.Log(LogLevel.Error, "Error with work queue item {0}: {1}", item.GetKey(), item.FailureDescription); base.PostProcessingFailure(item, WorkQueueProcessorFailureType.Fatal); return; } Platform.Log(LogLevel.Info, "Compressing study {0} for Patient {1} (PatientId:{2} A#:{3}) on partition {4} to {5}", Study.StudyInstanceUid, Study.PatientsName, Study.PatientId, Study.AccessionNumber, ServerPartition.Description, compressSyntax.Name); IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories(); IDicomCodecFactory theCodecFactory = null; foreach (IDicomCodecFactory codec in codecs) { if (codec.CodecTransferSyntax.Equals(compressSyntax)) { theCodecFactory = codec; break; } } if (theCodecFactory == null) { item.FailureDescription = String.Format("Unable to find codec for compression: {0}", compressSyntax.Name); Platform.Log(LogLevel.Error, "Error with work queue item {0}: {1}", item.GetKey(), item.FailureDescription); base.PostProcessingFailure(item, WorkQueueProcessorFailureType.Fatal); return; } if (!ProcessUidList(item, theCodecFactory)) { PostProcessingFailure(item, WorkQueueProcessorFailureType.NonFatal); } else { Platform.Log(LogLevel.Info, "Completed Compressing study {0} for Patient {1} (PatientId:{2} A#:{3}) on partition {4} to {5}", Study.StudyInstanceUid, Study.PatientsName, Study.PatientId, Study.AccessionNumber, ServerPartition.Description, compressSyntax.Name); if (compressSyntax.LossyCompressed) { UpdateStudyStatus(StorageLocation, StudyStatusEnum.OnlineLossy, compressSyntax); } else { UpdateStudyStatus(StorageLocation, StudyStatusEnum.OnlineLossless, compressSyntax); } PostProcessing(item, WorkQueueProcessorStatus.Pending, WorkQueueProcessorDatabaseUpdate.None); // batch processed, not complete } }