diff options
Diffstat (limited to 'libs/ardour/quantize.cc')
| -rw-r--r-- | libs/ardour/quantize.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libs/ardour/quantize.cc b/libs/ardour/quantize.cc index a4543d773c..7da1edaaa1 100644 --- a/libs/ardour/quantize.cc +++ b/libs/ardour/quantize.cc @@ -62,7 +62,7 @@ Quantize::operator () (boost::shared_ptr<MidiModel> model, to quantize relative to actual session beats (etc.) rather than from the start of the model. */ - const double round_pos = ceil(position / _start_grid) * _start_grid; + const double round_pos = round(position / _start_grid) * _start_grid; const double offset = round_pos - position; bool even; @@ -72,10 +72,13 @@ Quantize::operator () (boost::shared_ptr<MidiModel> model, even = false; + /* TODO 'swing' probably requires a 2nd iteration: + * first quantize notes to the grid, then apply beat shift + */ for (Evoral::Sequence<MidiModel::TimeType>::Notes::iterator i = (*s).begin(); i != (*s).end(); ++i) { - double new_start = round ((*i)->time() / _start_grid) * _start_grid + offset; - double new_end = round ((*i)->end_time() / _end_grid) * _end_grid + offset; + double new_start = round (((*i)->time() - offset) / _start_grid) * _start_grid + offset; + double new_end = round (((*i)->end_time() - offset) / _end_grid) * _end_grid + offset; if (_swing > 0.0 && !even) { @@ -86,6 +89,7 @@ Quantize::operator () (boost::shared_ptr<MidiModel> model, */ new_start = new_start + (2.0/3.0 * _swing * (next_grid - new_start)); + new_end = new_end + (2.0/3.0 * _swing * (next_grid - new_start)); } else if (_swing < 0.0 && !even) { @@ -96,6 +100,7 @@ Quantize::operator () (boost::shared_ptr<MidiModel> model, */ new_start = new_start - (2.0/3.0 * _swing * (new_start - prev_grid)); + new_end = new_end - (2.0/3.0 * _swing * (new_start - prev_grid)); } |