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/*
*
* Copyright (C) 1997-2018, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmjpeg
*
* Author: Marco Eichelberg
*
* Purpose: singleton class that registers decoders for all supported JPEG processes.
*
*/
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmjpeg/djdecode.h"
#include "dcmtk/dcmdata/dccodec.h" /* for DcmCodecStruct */
#include "dcmtk/dcmjpeg/djdecbas.h"
#include "dcmtk/dcmjpeg/djdecext.h"
#include "dcmtk/dcmjpeg/djdecsps.h"
#include "dcmtk/dcmjpeg/djdecpro.h"
#include "dcmtk/dcmjpeg/djdecsv1.h"
#include "dcmtk/dcmjpeg/djdeclol.h"
#include "dcmtk/dcmjpeg/djcparam.h"
// initialization of static members
OFBool DJDecoderRegistration::registered = OFFalse;
DJCodecParameter *DJDecoderRegistration::cp = NULL;
DJDecoderBaseline *DJDecoderRegistration::decbas = NULL;
DJDecoderExtended *DJDecoderRegistration::decext = NULL;
DJDecoderSpectralSelection *DJDecoderRegistration::decsps = NULL;
DJDecoderProgressive *DJDecoderRegistration::decpro = NULL;
DJDecoderP14SV1 *DJDecoderRegistration::decsv1 = NULL;
DJDecoderLossless *DJDecoderRegistration::declol = NULL;
void DJDecoderRegistration::registerCodecs(
E_DecompressionColorSpaceConversion pDecompressionCSConversion,
E_UIDCreation pCreateSOPInstanceUID,
E_PlanarConfiguration pPlanarConfiguration,
OFBool predictor6WorkaroundEnable,
OFBool cornellWorkaroundEnable,
OFBool pForceSingleFragmentPerFrame)
{
if (! registered)
{
cp = new DJCodecParameter(
ECC_lossyYCbCr, // ignored, compression only
pDecompressionCSConversion,
pCreateSOPInstanceUID,
pPlanarConfiguration,
predictor6WorkaroundEnable,
cornellWorkaroundEnable,
pForceSingleFragmentPerFrame);
if (cp)
{
// baseline JPEG
decbas = new DJDecoderBaseline();
if (decbas) DcmCodecList::registerCodec(decbas, NULL, cp);
// extended JPEG
decext = new DJDecoderExtended();
if (decext) DcmCodecList::registerCodec(decext, NULL, cp);
// spectral selection JPEG
decsps = new DJDecoderSpectralSelection();
if (decsps) DcmCodecList::registerCodec(decsps, NULL, cp);
// progressive JPEG
decpro = new DJDecoderProgressive();
if (decpro) DcmCodecList::registerCodec(decpro, NULL, cp);
// lossless SV1 JPEG
decsv1 = new DJDecoderP14SV1();
if (decsv1) DcmCodecList::registerCodec(decsv1, NULL, cp);
// lossless JPEG
declol = new DJDecoderLossless();
if (declol) DcmCodecList::registerCodec(declol, NULL, cp);
registered = OFTrue;
}
}
}
void DJDecoderRegistration::cleanup()
{
if (registered)
{
DcmCodecList::deregisterCodec(decbas);
delete decbas;
DcmCodecList::deregisterCodec(decext);
delete decext;
DcmCodecList::deregisterCodec(decsps);
delete decsps;
DcmCodecList::deregisterCodec(decpro);
delete decpro;
DcmCodecList::deregisterCodec(decsv1);
delete decsv1;
DcmCodecList::deregisterCodec(declol);
delete declol;
delete cp;
registered = OFFalse;
#ifdef DEBUG
// not needed but useful for debugging purposes
decbas = NULL;
decext = NULL;
decsps = NULL;
decpro = NULL;
decsv1 = NULL;
declol = NULL;
cp = NULL;
#endif
}
}
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