mirror of
https://github.com/LMMS/lmms.git
synced 2025-12-23 22:58:33 -05:00
7367750823
* Renamed lmms_basics.h to LmmsTypes.h and scoped it down for that purpose. * Shifted the LMMS_STRINGIFY macro to it's own header. * Removed the debug.h header file and use cmake to handle the macro logic. * Remove some unused headers and include directives
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
|
|
* panning.h - declaration of some types, concerning the
|
|
* panning of a note
|
|
*
|
|
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of LMMS - https://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 LMMS_PANNING_H
|
|
#define LMMS_PANNING_H
|
|
|
|
#include "LmmsTypes.h"
|
|
#include "Midi.h"
|
|
#include "volume.h"
|
|
|
|
#include <cmath>
|
|
|
|
namespace lmms
|
|
{
|
|
|
|
inline constexpr panning_t PanningRight = 100;
|
|
inline constexpr panning_t PanningLeft = -PanningRight;
|
|
inline constexpr panning_t PanningCenter = 0;
|
|
inline constexpr panning_t DefaultPanning = PanningCenter;
|
|
|
|
inline StereoVolumeVector panningToVolumeVector( panning_t _p,
|
|
float _scale = 1.0f )
|
|
{
|
|
StereoVolumeVector v = { { _scale, _scale } };
|
|
const float pf = _p / 100.0f;
|
|
v.vol[_p >= PanningCenter ? 0 : 1] *= 1.0f - std::abs(pf);
|
|
return v;
|
|
}
|
|
|
|
|
|
inline int panningToMidi( panning_t _p )
|
|
{
|
|
return MidiMinPanning + (int) (
|
|
( (float)( _p - PanningLeft ) ) /
|
|
( (float)( PanningRight - PanningLeft ) ) *
|
|
( (float)( MidiMaxPanning - MidiMinPanning ) ) );
|
|
}
|
|
|
|
|
|
} // namespace lmms
|
|
|
|
#endif // LMMS_PANNING_H
|