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new header file for superclock stuff

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Paul Davis 2017-09-13 17:34:26 -04:00
parent 176cdecd03
commit 89f105892c
1 changed files with 36 additions and 0 deletions
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libs/ardour/ardour/superclock.h Normal file
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/*
Copyright (C) 2017 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_superclock_h__
#define __ardour_superclock_h__
#include <stdint.h>
namespace ARDOUR {
typedef uint64_t superclock_t;
static const superclock_t superclock_ticks_per_second = 508032000; // 2^10 * 3^4 * 5^3 * 7^2
static inline superclock_t superclock_to_samples (superclock_t s, int sr) { return (s * sr) / superclock_ticks_per_second; }
static inline superclock_t samples_to_superclock (int samples, int sr) { return (samples * superclock_ticks_per_second) / sr; }
}
#endif /* __ardour_superclock_h__ */