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cwPianoScore.h/cpp : Added event_t.chord_note_cnt and chord_note_idx and _get_loc_count() and _setup_chord_info().

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This commit is contained in:
kevin 2025-04-16 15:21:05 -04:00
parent dbee8c2eae
commit ae24afd2ae
2 changed files with 51 additions and 3 deletions
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52
cwPianoScore.cpp
View File

@ -40,6 +40,8 @@ namespace cw
unsigned min_uid;
bool has_locs_fl;
bool uses_oloc_fl;
} score_t;
@ -106,6 +108,46 @@ namespace cw
}
}
}
unsigned _get_loc_count( const score_t* p )
{
unsigned max_loc = 0;
for(const event_t* e=p->base; e!=nullptr; e=e->link)
if(midi::isNoteOn(e->status,e->d1))
if( e->loc != kInvalidId && e->loc > max_loc )
max_loc = e->loc;
return max_loc+1;
}
void _setup_chord_info( score_t* p )
{
unsigned locN = _get_loc_count(p);
unsigned* locA = mem::allocZ<unsigned>(locN);
// get the count of notes per loc and set event_t.chord_note_cnt
for(event_t* e=p->base; e!=nullptr; e=e->link)
{
if(midi::isNoteOn(e->status,e->d1))
{
assert( e->loc < locN );
e->chord_note_idx = locA[ e->loc ];
locA[ e->loc ] += 1;
}
else
{
e->chord_note_idx = kInvalidIdx;
e->chord_note_cnt = 0;
}
}
// set the event_t.chord_note_cnt
for(event_t* e=p->base; e!=nullptr; e=e->link)
if(midi::isNoteOn(e->status,e->d1))
e->chord_note_cnt = locA[ e->loc ];
mem::free(locA);
}
@ -251,7 +293,8 @@ namespace cw
{
csv::handle_t csvH;
rc_t rc = kOkRC;
bool score_fl = false;
p->uses_oloc_fl = false;
if((rc = csv::create(csvH,csvFname)) != kOkRC )
{
@ -263,10 +306,10 @@ namespace cw
// an 'oloc' field and the recorded performance
// files which do not.
if( title_col_index(csvH,"oloc") != kInvalidIdx )
score_fl = true;
p->uses_oloc_fl = true;
for(unsigned i=0; (rc = next_line(csvH)) == kOkRC; ++i )
if((rc = _read_csv_line(p,score_fl,csvH)) != kOkRC )
if((rc = _read_csv_line(p,p->uses_oloc_fl,csvH)) != kOkRC )
{
rc = cwLogError(rc,"Error reading CSV line number:%i.",i+1);
goto errLabel;
@ -485,6 +528,9 @@ cw::rc_t cw::perf_score::create( handle_t& hRef, const char* fn )
p->has_locs_fl = false;
}
if( p->uses_oloc_fl )
_setup_chord_info(p);
_setup_feat_vectors(p);
hRef.set(p);

2
cwPianoScore.h
View File

@ -38,6 +38,8 @@ namespace cw
unsigned bar; // bar number or 0
unsigned barPitchIdx; // bar pitch index or 0
unsigned section; // section number or 0
unsigned chord_note_cnt;// count of notes in the chord which this note-on msg is part of
unsigned chord_note_idx;// which note in the chord is this note-on msg (or kInvalididx if this is not a note-on msg)
bool valid_stats_fl; // is statsA valid in this record[]
stats_t statsA[ perf_meas::kValCnt ];