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temporal: reset map requires a BBT-sorted map, not audio time

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Paul Davis 2022-11-29 09:39:40 -07:00
parent a817142676
commit 1f4717d93b
1 changed files with 15 additions and 0 deletions
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15
libs/temporal/tempo.cc
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@ -1159,6 +1159,21 @@ TempoMap::reset_starting_at (superclock_t sc)
DEBUG_TRACE (DEBUG::MapReset, string_compose ("we begin at %1 with metric %2\n", sc, metric));
/* We will reset the superclock (audio) and beat time based on the BBT
* time of each point. To make sure this works correctly, sort them by
* BBT time first. If we do not do this, then we will use points as
* TempoMetrics in a (potentially) incorrect order.
*/
Point::bbt_comparator cmp;
_points.sort (cmp);
#ifndef NDEBUG
if (DEBUG_ENABLED(DEBUG::MapReset)) {
std::cerr << "\nPOST SORT:\n";
dump (std::cerr);
}
#endif
/* Setup the metric that is in effect at the starting point */
for (p = _points.begin(); p != _points.end(); ++p) {