QmlVlcAudio.h

/*******************************************************************************
* Copyright © 2014-2015, Sergey Radionov <rsatom_gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*   1. Redistributions of source code must retain the above copyright notice,
*      this list of conditions and the following disclaimer.
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*      this list of conditions and the following disclaimer in the documentation
*      and/or other materials provided with the distribution.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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#pragma once

#include <QObject>

#include "libvlc_wrapper/vlc_player.h"

class QmlVlcAudio
    : public QObject,
      protected vlc::audio_events_callback
{
    Q_OBJECT
public:
    QmlVlcAudio( vlc::player_core& player );
    ~QmlVlcAudio();

    enum Output {
        Stereo = ::libvlc_AudioChannel_Stereo,
        ReverseStereo = ::libvlc_AudioChannel_RStereo,
        Left = ::libvlc_AudioChannel_Left,
        Right = ::libvlc_AudioChannel_Right,
        Dolby = ::libvlc_AudioChannel_Dolbys,
    };
    Q_ENUMS( Output )

    Q_PROPERTY( unsigned count READ get_trackCount )

    Q_PROPERTY( int track READ get_track WRITE set_track )
    Q_PROPERTY( bool mute READ get_mute WRITE set_mute NOTIFY muteChanged )
    Q_PROPERTY( unsigned volume READ get_volume WRITE set_volume NOTIFY volumeChanged )
    Q_PROPERTY( Output channel READ get_channel WRITE set_channel )
    Q_PROPERTY( int delay READ get_delay WRITE set_delay )

    unsigned get_trackCount();

    bool get_mute();
    void set_mute( bool );

    unsigned get_volume();
    void set_volume( unsigned );

    int get_track();
    void set_track( int idx );

    Output get_channel();
    void set_channel( Output );

    //in milliseconds
    int get_delay();
    void set_delay( int );

    Q_INVOKABLE void toggleMute();

    Q_INVOKABLE QString description( unsigned idx);

Q_SIGNALS:
    void muteChanged();
    void volumeChanged();

protected:
    void audio_event( vlc::audio_event_e e ) override;

private:
    vlc::player_core& m_player;
};