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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /krec/krecexport_template.h
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ copyright : (C) 2003 by Arnold Krille
+ email : arnold@arnoldarts.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; version 2 of the License. *
+ * *
+ ***************************************************************************/
+
+#ifndef KREC_EXPORT_TEMPLATE_H
+#define KREC_EXPORT_TEMPLATE_H
+
+#include <qobject.h>
+
+#include <qstring.h>
+#include <qstringlist.h>
+#include <qcstring.h>
+#include <arts/common.h>
+
+/**
+ * This class is the template for all exportitems in KRec.
+ *
+ * To register your ExportItem you have to do @code registerAtGlobal( this ); @code
+ * at the end of your constructor.
+ *
+ * @author Arnold Krille <arnold@arnoldarts.de>
+*/
+class KRecExportItem : public QObject {
+ Q_OBJECT
+private:
+ /// Controls wether an export is running, or not...
+ bool _running;
+ int _samplingRate, _bits, _channels;
+protected:
+ KRecExportItem( QObject*, const char* =0, const QStringList& =0 );
+
+ /**
+ * This registers this class at the KRecGlobal.
+ */
+ static void registerAtGlobal( KRecExportItem* );
+
+ int samplingRate() const;
+ int bits() const;
+ int channels() const;
+
+ /// Helpers for reading and writing to an char-array
+ Q_INT16 read16( char* array, int index );
+ void write16( char* array, Q_INT16 value, int index );
+ void write32( char* array, Q_INT32 value, int index );
+public:
+ ~KRecExportItem();
+
+ /**
+ * Returns a new Item for your export.
+ */
+ virtual KRecExportItem* newItem()=0;
+
+ /// Returns a list with the extensions.
+ virtual QStringList extensions()=0;
+ /// Returns the export format.
+ virtual QString exportFormat()=0;
+
+ bool running() const { return _running; }
+public slots:
+ /**
+ * Initializes the sound-settings.
+ * Has to be called before the initialize( const QString & ) function.
+ */
+ void initialize( int samplingRate, int bits, int channels );
+ /// Initializes the export.
+ virtual bool initialize( const QString &filename )=0;
+ /**
+ * Start the real export (including the emission of @see getData() while running=true).
+ * Best way to do this is to use @see QTimer::singleShot() since then the events are
+ * put at the end of the EventLoop not blocking the gui and everything else.
+ */
+ bool start();
+ virtual bool process() =0;
+
+ /// Stops the export by setting running=false.
+ void stop();
+ /// Finish the export.
+ virtual bool finalize()=0;
+ //virtual void data( QByteArray& );
+signals:
+ /// Is emitted when this Item wants data to export.
+ void getData( QByteArray& );
+
+ void running( bool );
+};
+
+
+#endif
+
+// vim:sw=4:ts=4