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73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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* PresetPreviewPlayHandle.h - a PlayHandle specialization for playback of a short
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* preview of a preset or a file processed by a plugin
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*
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* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef PRESET_PREVIEW_PLAY_HANDLE_H
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#define PRESET_PREVIEW_PLAY_HANDLE_H
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#include "NotePlayHandle.h"
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namespace lmms
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{
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class DataFile;
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class InstrumentTrack;
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class PreviewTrackContainer;
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class LMMS_EXPORT PresetPreviewPlayHandle : public PlayHandle
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{
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public:
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PresetPreviewPlayHandle( const QString& presetFile, bool loadByPlugin = false, DataFile *dataFile = 0 );
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~PresetPreviewPlayHandle() override;
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inline bool affinityMatters() const override
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{
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return true;
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}
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void play( sampleFrame* buffer ) override;
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bool isFinished() const override;
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bool isFromTrack( const Track * _track ) const override;
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static void init();
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static void cleanup();
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static ConstNotePlayHandleList nphsOfInstrumentTrack( const InstrumentTrack* instrumentTrack );
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static bool isPreviewing();
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private:
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static PreviewTrackContainer* s_previewTC;
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NotePlayHandle* m_previewNote;
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} ;
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} // namespace lmms
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#endif
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