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fix beatbox->SMF export

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This commit is contained in:
Paul Davis 2017-08-21 14:21:34 -04:00
parent 9fe065ce80
commit ab0bbd62a2
1 changed files with 7 additions and 5 deletions
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12
libs/ardour/beatbox.cc
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@ -477,6 +477,10 @@ BeatBox::export_to_path (std::string const & path)
{
Evoral::SMF smf;
double smf_delta = 0;
superclock_t last_time = 0;
Evoral::event_id_t note_id = 0;
try {
if (smf.create (path)) {
return false;
@ -485,14 +489,12 @@ BeatBox::export_to_path (std::string const & path)
return false;
}
double smf_delta = 0;
superclock_t last_time = 0;
Evoral::event_id_t note_id = 0;
smf.begin_write ();
for (Events::const_iterator e = _current_events.begin(); e != _current_events.end(); ++e) {
smf_delta = (*e)->time - last_time;
/* convert to quarter notes */
smf_delta /= beat_superclocks * (_meter_beat_type / 4.0);
smf_delta /= beat_superclocks * (4.0 / _meter_beat_type);
/* convert to pulses/ticks */
smf_delta *= Timecode::BBT_Time::ticks_per_beat;
smf.append_event_delta (llrint (smf_delta), (*e)->size, (*e)->buf, note_id++);
@ -500,7 +502,7 @@ BeatBox::export_to_path (std::string const & path)
}
try {
smf.close ();
smf.end_write (path);
} catch (...) {
return false;
}