d3cd621f7a
Later I'll need to push some extra changes (to support 'tempo_map_p' and 'boost::intrusive::list' etc) but these initial ones (hopefully!) won't cause any issues for the other builds.
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __ardour_superclock_h__
|
|
#define __ardour_superclock_h__
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "pbd/integer_division.h"
|
|
|
|
#include "temporal/visibility.h"
|
|
|
|
namespace Temporal {
|
|
|
|
typedef int64_t superclock_t;
|
|
|
|
#ifndef COMPILER_MSVC
|
|
extern superclock_t superclock_ticks_per_second;
|
|
#else
|
|
static superclock_t superclock_ticks_per_second = 508032000; // 2^10 * 3^4 * 5^3 * 7^2
|
|
#endif
|
|
|
|
static inline superclock_t superclock_to_samples (superclock_t s, int sr) { return int_div_round (s * sr, superclock_ticks_per_second); }
|
|
static inline superclock_t samples_to_superclock (int64_t samples, int sr) { return int_div_round (samples * superclock_ticks_per_second, superclock_t (sr)); }
|
|
|
|
extern int (*sample_rate_callback)();
|
|
|
|
LIBTEMPORAL_API void set_sample_rate_callback (int (*function)());
|
|
|
|
}
|
|
|
|
#define TEMPORAL_SAMPLE_RATE (sample_rate_callback ())
|
|
|
|
#endif /* __ardour_superclock_h__ */
|