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/***************************************************************************
PlayBackPlugin.h - plugin for playback and playback configuration
-------------------
begin : Sun May 13 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.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; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef PLAY_BACK_PLUGIN_H
#define PLAY_BACK_PLUGIN_H
#include "config.h"
#include <QMutex>
#include <QPointer>
#include <QString>
#include "libkwave/PlayBackParam.h"
#include "libkwave/PlaybackDeviceFactory.h"
#include "libkwave/Plugin.h"
#include "libkwave/Sample.h"
namespace Kwave
{
class PlaybackController;
class PlayBackDevice;
class PlayBackDialog;
class SampleSink;
class PlayBackPlugin :public Kwave::Plugin,
public Kwave::PlaybackDeviceFactory
{
Q_OBJECT
public:
/**
* Constructor
* @param parent reference to our plugin manager
* @param args argument list [unused]
*/
PlayBackPlugin(QObject *parent, const QVariantList &args);
/** Destructor */
~PlayBackPlugin() override;
/**
* Gets called when the plugin is first loaded and connects itself
* to the playback controller and the current signal.
*/
void load(QStringList ¶ms) override;
/**
* Gets called before the plugin is unloaded.
*/
void unload() override;
/** @see Kwave::Plugin::setup() */
virtual QStringList *setup(QStringList &previous_params)
override;
/**
* Starts a playback test sequence
* @param params list of strings with parameters (unused)
*/
void run(QStringList params) override;
signals:
/** emits the progress of the playback test, from thread context */
void sigTestProgress(int percent);
public slots:
/**
* Plays a sample sound for testing the playback
*/
void testPlayBack();
protected:
/**
* Interpretes a given parameter list and sets up internal
* parameters accordingly.
* @param params reference to a QStringList with parameters
* @return the detected playback parameters
*/
Kwave::PlayBackParam interpreteParameters(QStringList ¶ms);
/**
* Create a playback device matching the given playback method.
* @param method a playback_method_t (aRts, ALSA, OSS...)
* @return a new PlayBackDevice or 0 if failed
*/
virtual Kwave::PlayBackDevice *createDevice(
Kwave::playback_method_t method) override;
/**
* Returns a list of supported playback methods.
* @return list of all supported playback methods, should not contain
* "any" or "invalid"
*/
virtual QList<Kwave::playback_method_t> supportedMethods()
override;
private:
/** dialog for the playback setup */
QPointer<Kwave::PlayBackDialog> m_dialog;
/** reference to the playback controller */
Kwave::PlaybackController &m_playback_controller;
/** sample sink, for playback test */
Kwave::SampleSink *m_playback_sink;
};
}
#endif /* PLAY_BACK_PLUGIN_H */
//***************************************************************************
//***************************************************************************
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