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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* panning.h - declaration of some types, concerning the
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* panning of a note
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*
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* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - http://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 PANNING_H
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#define PANNING_H
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#include "lmms_basics.h"
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#include "volume.h"
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#include "templates.h"
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#include "panning_constants.h"
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#include "Midi.h"
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inline stereoVolumeVector panningToVolumeVector( panning_t _p,
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float _scale = 1.0f )
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{
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stereoVolumeVector v = { { _scale, _scale } };
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const float pf = _p / 100.0f;
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v.vol[_p >= PanningCenter ? 0 : 1] *= 1.0f - qAbs<float>( pf );
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return v;
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}
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inline int panningToMidi( panning_t _p )
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{
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return MidiMinPanning + (int) (
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( (float)( _p - PanningLeft ) ) /
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( (float)( PanningRight - PanningLeft ) ) *
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( (float)( MidiMaxPanning - MidiMinPanning ) ) );
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}
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#endif
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