/usr/include/sfi/sfinote.h is in libbse-dev 0.7.4-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | /* SFI - Synthesis Fusion Kit Interface
* Copyright (C) 2002 Tim Janik
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* A copy of the GNU Lesser General Public License should ship along
* with this library; if not, see http://www.gnu.org/copyleft/.
*/
#ifndef __SFI_NOTE_H__
#define __SFI_NOTE_H__
#include <sfi/sfitypes.h>
G_BEGIN_DECLS
/* --- (MIDI) notes --- */
/* notes are generally kept in signed integers. though they are zero
* bounded, they are often used within expression that shouldn't be
* promoted into unsigned integer expressions.
*/
#define SFI_MIN_NOTE (0) /* assumed to be 0 in various places */
#define SFI_MAX_NOTE (131 /* 123 */)
/* special note value to represent "no value specified"
* or unparsable notes.
*/
#define SFI_NOTE_VOID (SFI_MAX_NOTE + 1)
/* kammer note, representing the kammer frequency's midi note value */
#define SFI_KAMMER_NOTE ((SfiInt) (69) /* A' */)
#define SFI_KAMMER_OCTAVE ((SfiInt) (+1))
/* resulting minimum and maximum octaves */
#define SFI_MIN_OCTAVE (SFI_NOTE_OCTAVE (SFI_MIN_NOTE))
#define SFI_MAX_OCTAVE (SFI_NOTE_OCTAVE (SFI_MAX_NOTE))
/* macro to retrieve a valid note. simply defaults
* to kammer note for invalid note values.
*/
#define SFI_NOTE_MAKE_VALID(n) ((n) > SFI_MAX_NOTE || (n) < SFI_MIN_NOTE ? SFI_KAMMER_NOTE : ((SfiInt) (n)))
#define SFI_NOTE_IS_VALID(n) ((n) >= SFI_MIN_NOTE && (n) <= SFI_MAX_NOTE)
/* clamp note against boundaries in cases of underflow or overflow */
#define SFI_NOTE_CLAMP(n) (CLAMP (((SfiInt) (n)), SFI_MIN_NOTE, SFI_MAX_NOTE))
/* macros to compose and decompose note values into semitones and octaves */
#define SFI_NOTE_OCTAVE(n) ((((SfiInt) (n)) - SFI_NOTE_SEMITONE (n) - (SFI_KAMMER_NOTE - 9)) / 12 + SFI_KAMMER_OCTAVE)
#define SFI_NOTE_SEMITONE(n) (((SfiInt) (n)) % 12 + (9 - (SFI_KAMMER_NOTE % 12)))
#define SFI_NOTE_GENERIC(o,ht_i) (SFI_KAMMER_NOTE - 9 + ((SfiInt) (ht_i)) + (((gint) (o)) - SFI_KAMMER_OCTAVE) * 12)
#define SFI_NOTE_C(o) (SFI_NOTE_GENERIC ((o), 0))
#define SFI_NOTE_Cis(o) (SFI_NOTE_GENERIC ((o), 1))
#define SFI_NOTE_Des(o) (SFI_NOTE_Cis (o))
#define SFI_NOTE_D(o) (SFI_NOTE_GENERIC ((o), 2))
#define SFI_NOTE_Dis(o) (SFI_NOTE_GENERIC ((o), 3))
#define SFI_NOTE_Es(o) (SFI_NOTE_Dis (o))
#define SFI_NOTE_E(o) (SFI_NOTE_GENERIC ((o), 4))
#define SFI_NOTE_F(o) (SFI_NOTE_GENERIC ((o), 5))
#define SFI_NOTE_Fis(o) (SFI_NOTE_GENERIC ((o), 6))
#define SFI_NOTE_Ges(o) (SFI_NOTE_Fis (o))
#define SFI_NOTE_G(o) (SFI_NOTE_GENERIC ((o), 7))
#define SFI_NOTE_Gis(o) (SFI_NOTE_GENERIC ((o), 8))
#define SFI_NOTE_As(o) (SFI_NOTE_Gis (o))
#define SFI_NOTE_A(o) (SFI_NOTE_GENERIC ((o), 9))
#define SFI_NOTE_Ais(o) (SFI_NOTE_GENERIC ((o), 10))
#define SFI_NOTE_Bes(o) (SFI_NOTE_Ais (o))
#define SFI_NOTE_B(o) (SFI_NOTE_GENERIC ((o), 11))
#define _SFI_NOTE_SHIFT_AUX(n,ht,dfl) (n + ht >= SFI_MIN_NOTE && n + ht <= SFI_MAX_NOTE ? n + ht : dfl)
#define SFI_NOTE_SHIFT(n,ht_i) (_SFI_NOTE_SHIFT_AUX ((SfiInt) (n), (gint) (ht), (SfiInt) (n)))
#define SFI_NOTE_OCTAVE_UP(n) (SFI_NOTE_SHIFT ((n), +12))
#define SFI_NOTE_OCTAVE_DOWN(n) (SFI_NOTE_SHIFT ((n), -12))
/* --- functions --- */
void sfi_note_examine (SfiInt note,
gint *octave_p,
guint *semitone_p,
gboolean *black_semitone_p,
gchar *letter_p);
/* return a newly allocated string which describes `note' literally */
gchar* sfi_note_to_string (SfiInt note);
/* return the numeric value of the note in `note_string' */
SfiInt sfi_note_from_string (const gchar *note_string);
SfiInt sfi_note_from_string_err (const gchar *note_string,
gchar **error_p);
G_END_DECLS
#endif /* __SFI_NOTE_H__ */
/* vim:set ts=8 sts=2 sw=2: */
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