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diff --git a/libk3b/plugin/k3baudiooutputplugin.h b/libk3b/plugin/k3baudiooutputplugin.h
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+++ b/libk3b/plugin/k3baudiooutputplugin.h
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+/* 
+ *
+ * $Id: k3baudiooutputplugin.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_AUDIO_OUTPUTPLUGIN_H_
+#define _K3B_AUDIO_OUTPUTPLUGIN_H_
+
+#include <k3bplugin.h>
+#include "k3b_export.h"
+
+/**
+ *
+ */
+class LIBK3B_EXPORT K3bAudioOutputPlugin : public K3bPlugin
+{
+  Q_OBJECT
+
+ public:
+  virtual ~K3bAudioOutputPlugin() {
+  }
+
+  QString group() const { return "AudioOutput"; }
+
+  /**
+   * This is the short name of the sound system which can be used
+   * to specify the sound system on the command line (like "arts", "alsa", or "oss")
+   */
+  virtual QCString soundSystem() const = 0;
+
+  /**
+   * Initialize the plugin.
+   *
+   * Return true on success.
+   * In case of a failure report the error through lastErrorMessage
+   */
+  virtual bool init() { return true; }
+
+  /**
+   * Cleanup the plugin. This is the counterpart to init()
+   */
+  virtual void cleanup() {}
+
+  virtual QString lastErrorMessage() const { return QString::null; }
+
+  /**
+   * Let there be sound...
+   *
+   * @returns number of written bytes or -1 on error.
+   */
+  virtual int write( char* data, int len ) = 0;
+
+ protected:
+  K3bAudioOutputPlugin( QObject* parent = 0, const char* name = 0 )
+    : K3bPlugin( parent, name ) {
+  }
+};
+
+#endif