Files
lmms/include/PresetPreviewPlayHandle.h
2015-03-08 16:43:28 +00:00

62 lines
1.8 KiB
C++

/*
* PresetPreviewPlayHandle.h - a PlayHandle specialization for playback of a short
* preview of a preset or a file processed by a plugin
*
* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - http://lmms.io
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef PRESET_PREVIEW_PLAY_HANDLE_H
#define PRESET_PREVIEW_PLAY_HANDLE_H
#include "NotePlayHandle.h"
class InstrumentTrack;
class PreviewTrackContainer;
class EXPORT PresetPreviewPlayHandle : public PlayHandle
{
public:
PresetPreviewPlayHandle( const QString& presetFile, bool loadByPlugin = false, DataFile *dataFile = 0 );
virtual ~PresetPreviewPlayHandle();
virtual void play( sampleFrame* buffer );
virtual bool isFinished() const;
virtual bool isFromTrack( const Track * _track ) const;
static void init();
static void cleanup();
static ConstNotePlayHandleList nphsOfInstrumentTrack( const InstrumentTrack* instrumentTrack );
static bool isPreviewing();
private:
static PreviewTrackContainer* s_previewTC;
NotePlayHandle* m_previewNote;
} ;
#endif