diff options
author | nick_m <mainsbridge@gmail.com> | 2016-11-09 02:23:43 +1100 |
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committer | nick_m <mainsbridge@gmail.com> | 2016-11-11 03:37:08 +1100 |
commit | 3816ee4e92bb42cf249e5b032f555e49039b7f50 (patch) | |
tree | 4368f46c725fcb198f9a2628a4b4b64154286180 /libs/ardour | |
parent | 4e41b71a4eaf59dd6708dfe69da539bd3e1f0f5d (diff) |
more tempo documentation.
Diffstat (limited to 'libs/ardour')
-rw-r--r-- | libs/ardour/tempo.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc index d8cb26d53a..c6d30cf9e4 100644 --- a/libs/ardour/tempo.cc +++ b/libs/ardour/tempo.cc @@ -237,12 +237,11 @@ TempoSection::tempo_at_minute (const double& m) const * */ -/** user feedback dictates that if tempoA (120, 4.0) precedes tempoB (120, 8.0), - * there will be no ramp between the two even if set to ramped. +/** if tempoA (120, 4.0) precedes tempoB (120, 8.0), + * there should be no ramp between the two even if we are ramped. * in other words a ramp should only place a curve on note_types_per_minute. * we should be able to use Tempo note type here, but the above * complicates things a bit. - * we would ideally like to use arbitrary Tempo structs here. */ double TempoSection::minute_at_ntpm (const double& ntpm, const double& p) const @@ -311,6 +310,12 @@ TempoSection::minute_at_pulse (const double& p) const return _time_at_pulse (p - pulse()) + minute(); } +/** returns thw whole-note pulse at session frame position f. + * @param f the frame position. + * @return the position in whole-note pulses corresponding to f + * + * for use with musical units whose granularity is coarser than frames (e.g. ticks) +*/ double TempoSection::pulse_at_frame (const framepos_t& f) const { |