RAUL
0.8.0
raul
Quantizer.hpp
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/* This file is part of Raul.
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* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
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*
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* Raul is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* Raul is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef RAUL_QUANTIZER_HPP
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#define RAUL_QUANTIZER_HPP
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#include <cmath>
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#include "raul/TimeStamp.hpp"
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namespace
Raul {
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class
Quantizer
{
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public
:
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inline
static
TimeStamp
quantize(
TimeStamp
q,
TimeStamp
t) {
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assert(q.unit() == t.unit());
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// FIXME: Precision problem? Should probably stay in discrete domain
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const
double
qd = q.to_double();
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const
double
td = t.to_double();
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return
TimeStamp
(t.unit(), (qd > 0) ? lrint(td / qd) * qd : td);
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}
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inline
static
double
quantize(
double
q,
double
t) {
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return
(q > 0)
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? lrint(t / q) * q
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: t;
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}
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};
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}
// namespace Raul
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#endif // RAUL_QUANTIZER_HPP
Raul::Quantizer
Quantizer.
Definition:
Quantizer.hpp:29
Raul::TimeStamp
A real-time time stamp (possible units: frame, absolute (s), or beat).
Definition:
TimeStamp.hpp:80
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