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lighter, simpler math for sample-aligned superclocks

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This commit is contained in:
Paul Davis
2025-01-30 11:26:37 -07:00
parent ce226e707e
commit debef6ab25
2 changed files with 2 additions and 3 deletions
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4
libs/temporal/tempo.cc
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@@ -568,9 +568,9 @@ TempoPoint::superclock_at (Temporal::Beats const & qn) const
} }
} }
/* Now round up to the nearest sample-equivalent superclock value */ /* Truncate to the nearest sample-equivalent superclock value */
return sample_aligned_superclock (r, TEMPORAL_SAMPLE_RATE); return (r / TEMPORAL_SAMPLE_RATE) * TEMPORAL_SAMPLE_RATE;
} }
superclock_t superclock_t

1
libs/temporal/temporal/superclock.h
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@@ -47,7 +47,6 @@ static inline superclock_t superclock_ticks_per_second() { return _superclock_ti
static inline superclock_t superclock_to_samples (superclock_t s, int sr) { return PBD::muldiv_floor (s, sr, superclock_ticks_per_second()); } static inline superclock_t superclock_to_samples (superclock_t s, int sr) { return PBD::muldiv_floor (s, sr, superclock_ticks_per_second()); }
static inline superclock_t samples_to_superclock (int64_t samples, int sr) { return PBD::muldiv_round (samples, superclock_ticks_per_second(), superclock_t (sr)); } static inline superclock_t samples_to_superclock (int64_t samples, int sr) { return PBD::muldiv_round (samples, superclock_ticks_per_second(), superclock_t (sr)); }
static inline superclock_t sample_aligned_superclock (superclock_t s, int sr) { return PBD::muldiv_floor (s, sr, sr); }
LIBTEMPORAL_API extern int most_recent_engine_sample_rate; LIBTEMPORAL_API extern int most_recent_engine_sample_rate;