118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
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/**
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* @file
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* Implementation of the ADTF default media description.
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*
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* @copyright
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* @verbatim
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Copyright @ 2017 Audi Electronics Venture GmbH. All rights reserved.
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This Source Code Form is subject to the terms of the Mozilla
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Public License, v. 2.0. If a copy of the MPL was not distributed
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with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
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If it is not possible or desirable to put the notice in a particular file, then
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You may include the notice in a location (such as a LICENSE file in a
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relevant directory) where a recipient would be likely to look for such a notice.
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You may add additional accurate notices of copyright ownership.
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@endverbatim
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*/
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#include "struct_layout.h"
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#include "codec_factory.h"
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#include "ddlrepresentation/ddl_error.h"
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#include "ddlrepresentation/ddldescription.h"
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#include "ddlrepresentation/ddlimporter.h"
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#include "ddlrepresentation/ddlversion.h"
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namespace ddl
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{
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//define all needed error types and values locally
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_MAKE_RESULT(-10, ERR_INVALID_INDEX)
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_MAKE_RESULT(-20, ERR_NOT_FOUND)
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_MAKE_RESULT(-37, ERR_NOT_INITIALIZED)
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static a_util::result::Result getDDL(const char* strMediaDescription,
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a_util::memory::unique_ptr<DDLDescription>& pDDL)
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{
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DDLVersion version_helper = DDLVersion::ddl_version_current;
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ddl::DDLImporter oImporter;
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a_util::memory::unique_ptr<ddl::DDLDescription> pDefaultDescription(
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ddl::DDLDescription::createDefault(version_helper, 4));
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RETURN_DDLERROR_IF_FAILED_DESC(oImporter.setXML(strMediaDescription), oImporter.getErrorDesc());
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RETURN_DDLERROR_IF_FAILED_DESC(oImporter.createPartial(pDefaultDescription.get(),
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version_helper),
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oImporter.getErrorDesc());
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pDDL.reset(oImporter.getDDL());
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return a_util::result::SUCCESS;
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}
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CodecFactory::CodecFactory():
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_layout(new StructLayout()),
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_constructor_result(ERR_NOT_INITIALIZED)
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{
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}
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CodecFactory::CodecFactory(const char* strStructName, const char* strMediaDescription)
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{
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a_util::memory::unique_ptr<DDLDescription> pDDL;
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_constructor_result = getDDL(strMediaDescription, pDDL);
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if(isOk(_constructor_result))
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{
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DDLComplex* pStruct = pDDL->getStructByName(strStructName);
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if (pStruct)
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{
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_layout.reset(new StructLayout(pStruct));
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_constructor_result = _layout->isValid();
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}
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else
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{
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_constructor_result = ERR_NOT_FOUND;
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}
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}
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if (!_layout)
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{
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_layout.reset(new StructLayout());
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}
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}
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CodecFactory::CodecFactory(const DDLComplex* pStruct):
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_layout(new StructLayout(pStruct))
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{
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_constructor_result = _layout->isValid();
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}
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a_util::result::Result CodecFactory::isValid() const
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{
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return _constructor_result;
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}
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size_t CodecFactory::getStaticElementCount() const
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{
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return _layout->getStaticElements().size();
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}
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a_util::result::Result CodecFactory::getStaticElement(size_t nIndex, const StructElement*& pElement) const
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{
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if (nIndex >= getStaticElementCount())
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{
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return ERR_INVALID_INDEX;
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}
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pElement = &_layout->getStaticElements()[nIndex];
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return a_util::result::SUCCESS;
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}
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size_t CodecFactory::getStaticBufferSize(DataRepresentation eRep) const
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{
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return _layout->getStaticBufferSize(eRep);
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}
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}
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