Mercurial > hg > orthanc

comparison Core/DicomNetworking/DicomStoreUserConnection.cpp @ 3893:7a5fa8f307e9 transcoding

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 06 May 2020 12:48:28 +0200
parents 904575738462
children 8f7ad4989fec
comparison
equal deleted inserted replaced
3891:5571082a9df6 3893:7a5fa8f307e9
437 { 437 {
438 acceptedSyntaxes.insert(it->first); 438 acceptedSyntaxes.insert(it->first);
439 } 439 }
440 } 440 }
441 } 441 }
442
443
444 void DicomStoreUserConnection::Transcode(std::string& sopClassUid /* out */,
445 std::string& sopInstanceUid /* out */,
446 IDicomTranscoder& transcoder,
447 const void* buffer,
448 size_t size,
449 const std::string& moveOriginatorAET,
450 uint16_t moveOriginatorID)
451 {
452 std::unique_ptr<DcmFileFormat> dicom(FromDcmtkBridge::LoadFromMemoryBuffer(buffer, size));
453 if (dicom.get() == NULL ||
454 dicom->getDataset() == NULL)
455 {
456 throw OrthancException(ErrorCode_NullPointer);
457 }
458
459 DicomTransferSyntax inputSyntax;
460 LookupParameters(sopClassUid, sopInstanceUid, inputSyntax, *dicom);
461
462 std::set<DicomTransferSyntax> accepted;
463 LookupTranscoding(accepted, sopClassUid, inputSyntax);
464
465 if (accepted.find(inputSyntax) != accepted.end())
466 {
467 // No need for transcoding
468 Store(sopClassUid, sopInstanceUid, *dicom, moveOriginatorAET, moveOriginatorID);
469 }
470 else
471 {
472 // Transcoding is needed
473 std::set<DicomTransferSyntax> uncompressedSyntaxes;
474
475 if (accepted.find(DicomTransferSyntax_LittleEndianImplicit) != accepted.end())
476 {
477 uncompressedSyntaxes.insert(DicomTransferSyntax_LittleEndianImplicit);
478 }
479
480 if (accepted.find(DicomTransferSyntax_LittleEndianExplicit) != accepted.end())
481 {
482 uncompressedSyntaxes.insert(DicomTransferSyntax_LittleEndianExplicit);
483 }
484
485 if (accepted.find(DicomTransferSyntax_BigEndianExplicit) != accepted.end())
486 {
487 uncompressedSyntaxes.insert(DicomTransferSyntax_BigEndianExplicit);
488 }
489
490 std::unique_ptr<DcmFileFormat> transcoded;
491
492 if (transcoder.HasInplaceTranscode())
493 {
494 if (transcoder.InplaceTranscode(*dicom, uncompressedSyntaxes, false))
495 {
496 // In-place transcoding is supported and has succeeded
497 transcoded.reset(dicom.release());
498 }
499 }
500 else
501 {
502 transcoded.reset(transcoder.TranscodeToParsed(buffer, size, uncompressedSyntaxes, false));
503 }
504
505 // WARNING: The "dicom" variable must not be used below this
506 // point. The "sopInstanceUid" might also have changed (if
507 // using lossy compression).
508
509 if (transcoded == NULL ||
510 transcoded->getDataset() == NULL)
511 {
512 throw OrthancException(
513 ErrorCode_NotImplemented,
514 "Cannot transcode from \"" + std::string(GetTransferSyntaxUid(inputSyntax)) +
515 "\" to an uncompressed syntax for modality: " +
516 GetParameters().GetRemoteModality().GetApplicationEntityTitle());
517 }
518 else
519 {
520 DicomTransferSyntax transcodedSyntax;
521
522 // Sanity check
523 if (!FromDcmtkBridge::LookupOrthancTransferSyntax(transcodedSyntax, *transcoded) ||
524 accepted.find(transcodedSyntax) == accepted.end())
525 {
526 throw OrthancException(ErrorCode_InternalError);
527 }
528 else
529 {
530 Store(sopClassUid, sopInstanceUid, *transcoded, moveOriginatorAET, moveOriginatorID);
531 }
532 }
533 }
534 }
442 } 535 }