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Remove frame conversion for MidiRegionView::note_in_region_range(), speed up tempo dilation

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This commit is contained in:
nick_m 2016-06-18 23:24:05 +10:00
parent 93c24e4433
commit 0e63fa65b5
3 changed files with 17 additions and 10 deletions
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9
gtk2_ardour/midi_region_view.cc
View File

@ -1670,12 +1670,9 @@ MidiRegionView::start_playing_midi_chord (vector<boost::shared_ptr<NoteType> > n
bool
MidiRegionView::note_in_region_range (const boost::shared_ptr<NoteType> note, bool& visible) const
{
/* This is imprecise due to all the conversion conversion involved, so only
hide notes if they seem to start more than one tick before the start. */
const framecnt_t tick_frames = Evoral::Beats::tick().to_ticks(trackview.session()->frame_rate());
const framepos_t note_start_frames = source_beats_to_region_frames (note->time());
const bool outside = ((note_start_frames <= -tick_frames) ||
(note_start_frames >= _region->length()));
const boost::shared_ptr<ARDOUR::MidiRegion> midi_reg = midi_region();
const bool outside = (note->time() < midi_reg->start_beats() ||
note->time() > midi_reg->start_beats() + midi_reg->length_beats());
visible = (note->note() >= midi_stream_view()->lowest_note()) &&
(note->note() <= midi_stream_view()->highest_note());

1
libs/ardour/ardour/midi_region.h
View File

@ -102,6 +102,7 @@ class LIBARDOUR_API MidiRegion : public Region
void fix_negative_start ();
Evoral::Beats start_beats () {return _start_beats.val(); }
Evoral::Beats length_beats () {return _length_beats.val(); }
protected:
virtual bool can_trim_start_before_source_start () const {

17
libs/ardour/midi_region.cc
View File

@ -197,16 +197,25 @@ MidiRegion::set_length_internal (framecnt_t len, const int32_t& sub_num)
void
MidiRegion::update_after_tempo_map_change (bool /* send */)
{
const framepos_t old_pos = _position;
const framepos_t old_length = _length;
const framepos_t old_start = _start;
Region::update_after_tempo_map_change (false);
/* _start has now been updated. */
_length = _session.tempo_map().frame_at_beat (beat() + _length_beats.val().to_double()) - _position;
PropertyChange s_and_l;
s_and_l.add (Properties::start);
s_and_l.add (Properties::length);
s_and_l.add (Properties::length_beats);
s_and_l.add (Properties::position);
if (old_start != _start) {
s_and_l.add (Properties::start);
}
if (old_length != _length) {
s_and_l.add (Properties::length);
}
if (old_pos != _position) {
s_and_l.add (Properties::position);
}
send_change (s_and_l);
}