/usr/include/bse/bsenote.hh is in libbse-dev 0.7.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef __BSE_NOTE_H__
#define __BSE_NOTE_H__
#include <bse/bseglobals.hh>
#include <bse/bsetype.hh>
G_BEGIN_DECLS
/* --- import Sfi macros --- */
#define BSE_MIN_NOTE SFI_MIN_NOTE
#define BSE_MAX_NOTE SFI_MAX_NOTE
#define BSE_KAMMER_NOTE SFI_KAMMER_NOTE
#define BSE_NOTE_VOID SFI_NOTE_VOID
#define BSE_NOTE_UNPARSABLE SFI_NOTE_VOID
#define BSE_NOTE_CLAMP SFI_NOTE_CLAMP
#define BSE_NOTE_IS_VALID SFI_NOTE_IS_VALID
#define BSE_NOTE_MAKE_VALID SFI_NOTE_MAKE_VALID
#define BSE_KAMMER_OCTAVE SFI_KAMMER_OCTAVE
#define BSE_MIN_OCTAVE SFI_MIN_OCTAVE
#define BSE_MAX_OCTAVE SFI_MAX_OCTAVE
#define bse_note_from_string sfi_note_from_string
#define bse_note_to_string sfi_note_to_string
#define bse_note_examine sfi_note_examine
/* --- construct notes --- */
#define BSE_NOTE_OCTAVE(n) SFI_NOTE_OCTAVE (n)
#define BSE_NOTE_SEMITONE(n) SFI_NOTE_SEMITONE (n)
#define BSE_NOTE_GENERIC(o,ht_i) SFI_NOTE_GENERIC (o, ht_i)
#define BSE_NOTE_C(o) (BSE_NOTE_GENERIC ((o), 0))
#define BSE_NOTE_Cis(o) (BSE_NOTE_GENERIC ((o), 1))
#define BSE_NOTE_Des(o) (BSE_NOTE_Cis (o))
#define BSE_NOTE_D(o) (BSE_NOTE_GENERIC ((o), 2))
#define BSE_NOTE_Dis(o) (BSE_NOTE_GENERIC ((o), 3))
#define BSE_NOTE_Es(o) (BSE_NOTE_Dis (o))
#define BSE_NOTE_E(o) (BSE_NOTE_GENERIC ((o), 4))
#define BSE_NOTE_F(o) (BSE_NOTE_GENERIC ((o), 5))
#define BSE_NOTE_Fis(o) (BSE_NOTE_GENERIC ((o), 6))
#define BSE_NOTE_Ges(o) (BSE_NOTE_Fis (o))
#define BSE_NOTE_G(o) (BSE_NOTE_GENERIC ((o), 7))
#define BSE_NOTE_Gis(o) (BSE_NOTE_GENERIC ((o), 8))
#define BSE_NOTE_As(o) (BSE_NOTE_Gis (o))
#define BSE_NOTE_A(o) (BSE_NOTE_GENERIC ((o), 9))
#define BSE_NOTE_Ais(o) (BSE_NOTE_GENERIC ((o), 10))
#define BSE_NOTE_Bes(o) (BSE_NOTE_Ais (o))
#define BSE_NOTE_B(o) (BSE_NOTE_GENERIC ((o), 11))
#define BSE_NOTE_SHIFT(n,ht_i) SFI_NOTE_SHIFT (n, ht_i)
#define BSE_NOTE_OCTAVE_UP(n) (BSE_NOTE_SHIFT ((n), +12))
#define BSE_NOTE_OCTAVE_DOWN(n) (BSE_NOTE_SHIFT ((n), -12))
/* --- functions --- */
int bse_note_from_freq (BseMusicalTuningType musical_tuning,
double freq);
int bse_note_from_freq_bounded (BseMusicalTuningType musical_tuning,
double freq);
int bse_note_fine_tune_from_note_freq (BseMusicalTuningType musical_tuning,
int note,
double freq);
double bse_note_to_freq (BseMusicalTuningType musical_tuning,
int note);
double bse_note_to_tuned_freq (BseMusicalTuningType musical_tuning,
int note,
int fine_tune);
/* --- freq array --- */
typedef struct BseFreqArray BseFreqArray;
BseFreqArray* bse_freq_array_new (guint prealloc);
void bse_freq_array_free (BseFreqArray *farray);
guint bse_freq_array_n_values (BseFreqArray *farray);
gdouble bse_freq_array_get (BseFreqArray *farray,
guint index);
void bse_freq_array_insert (BseFreqArray *farray,
guint index,
gdouble value);
void bse_freq_array_append (BseFreqArray *farray,
gdouble value);
#define bse_freq_array_prepend(a,v) bse_freq_array_insert ((a), 0, (v))
void bse_freq_array_set (BseFreqArray *farray,
guint index,
gdouble value);
/* find match_freq in inclusive_set (NULL acts as wildcard) and don't
* find match_freq in exclusive_set (NULL acts as empty set).
*/
gboolean bse_freq_arrays_match_freq (gfloat match_freq,
BseFreqArray *inclusive_set,
BseFreqArray *exclusive_set);
G_END_DECLS
#endif /* __BSE_NOTE_H__ */
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