94 lines
2.4 KiB
C++
Executable File
94 lines
2.4 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* StreamNameMapping
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by Christian Fröbel, NLSE, 2018-03-12
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*/
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#pragma once
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#include "avm_export.h"
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#include <QObject>
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#include <QString>
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#include <QRegExp>
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#include <cstdint>
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#include <map>
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#include <vector>
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enum class DataModification;
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namespace AudioVideoManagement
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{
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namespace Interface
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{
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class Dtc;
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}
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class StreamName;
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/**
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* In AVS, the names of audio and video streams need to be unique within a given exercise.
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* As the stream name used internally by AVS is not necessarily what the user wants
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* to see in the GUI, we define a mapping from internalName to displayName.
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*
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* The internalName is assigned by the AVM Service. Here, the stream name will probably
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* contain the MountingPoint-Id.
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* The displayName is determined by properties of the MountingPoint.
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*
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* For each MountingPoint the AVS service will publish the corresponding internal-
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* and displayName and thus serves as the source of this mapping.
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*
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* @author Christian Fröbel
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*/
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class AVM_COMMON_EXPORT StreamNameMapping : public QObject
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{
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Q_OBJECT
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public:
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struct Names
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{
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QString internal;
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QString display;
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};
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/**
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* Don't use directly, use create() instead.
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* Only provided for UnitTests.
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*/
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StreamNameMapping() = default;
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static StreamNameMapping *create(Interface::Dtc *dtc);
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QString internalName(int32_t mountingPointId) const;
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QString internalName(const QString &displayName);
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QString displayName(int32_t mountingPointId) const;
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/** The internalName might contain a source specifier "(S)" or "(L)" at the end. */
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QString displayName(const QString &internalName) const;
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std::vector<Names> allNames() const;
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signals:
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void changed(int32_t mountingPointId, const QString &internalName, const QString &displayName);
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private slots:
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void onStreamNameChanged(const StreamName &streamName, DataModification modType);
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private:
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void define(int32_t mountingPointId, const Names &names);
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void remove(int32_t mountingPointId);
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/** Used to extract the effective streamName if it contains a source specifier "(S)" or "(L)". */
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const QRegExp m_extractor{QStringLiteral("(.*)(\\([SL]\\))"), Qt::CaseInsensitive};
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std::map<int32_t, Names> m_mpToNames; //!< MountingPoint-Id -> internal AVS name
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std::map<QString, QString> m_internalToDisplay;
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};
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} // namespace AudioVideoManagement
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