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first pass at integrating nutempo v1 with new 64 bit superclock/ticks representation

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This compiles libtemporal, but nothing more
This commit is contained in:
Paul Davis 2020-07-23 11:21:53 -06:00
parent e0b5b12129
commit a80960468d
7 changed files with 1227 additions and 155 deletions
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96
libs/temporal/bbt_time.cc
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@ -1,39 +1,27 @@
/*
* Copyright (C) 2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
Copyright (C) 2002-2010 Paul Davis
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cmath>
#include <cassert>
#include "temporal/bbt_time.h"
using namespace Timecode;
/* This defines the smallest division of a "beat".
The number is intended to have as many integer factors as possible so that
1/Nth divisions are integer numbers of ticks.
1920 has many factors, though going up to 3840 gets a couple more.
This needs to match Temporal::Beats::PPQN
*/
const double BBT_Time::ticks_per_beat = 1920.0;
using namespace Temporal;
BBT_Offset::BBT_Offset (double dbeats)
{
@ -46,5 +34,53 @@ BBT_Offset::BBT_Offset (double dbeats)
bars = 0;
beats = lrint (floor (dbeats));
ticks = lrint (floor (BBT_Time::ticks_per_beat * fmod (dbeats, 1.0)));
ticks = lrint (floor (Temporal::ticks_per_beat * fmod (dbeats, 1.0)));
}
std::ostream&
std::operator<< (std::ostream& o, Temporal::BBT_Time const & bbt)
{
o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
return o;
}
std::ostream&
std::operator<< (std::ostream& o, const Temporal::BBT_Offset& bbt)
{
o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
return o;
}
std::istream&
std::operator>>(std::istream& i, Temporal::BBT_Offset& bbt)
{
int32_t B, b, t;
char skip_pipe_char;
i >> B;
i >> skip_pipe_char;
i >> b;
i >> skip_pipe_char;
i >> t;
bbt = Temporal::BBT_Time (B, b, t);
return i;
}
std::istream&
std::operator>>(std::istream& i, Temporal::BBT_Time& bbt)
{
int32_t B, b, t;
char skip_pipe_char;
i >> B;
i >> skip_pipe_char;
i >> b;
i >> skip_pipe_char;
i >> t;
bbt = Temporal::BBT_Time (B, b, t);
return i;
}