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Add -PMAR option to emit MIDI marker meta-events for P: part labels (#16)

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* Add -PMAR option to output `P:` information as MIDI part meta-event

* Update man page and comments

* Add the instance number of a part like `Part T-4`

This allows better tracking of parts played more than once with complex `P:`
header.

* Updated CHANGES file and added author change comments in the code
This commit is contained in:
Ronan Keryell
2026-04-01 04:12:55 -07:00
committed by GitHub
parent 41264221f4
commit c7f4015945
4 changed files with 65 additions and 12 deletions
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19
store.c
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@@ -422,6 +422,7 @@ int apply_fermata_to_chord = 0; /* [SS] 2012-03-26 */
/* Part handling */
struct vstring part;
extern int parts, partno, partlabel;
extern int partmarkers; /* [RK] 2026-03-30 */
extern int part_start[26], part_count[26];
int voicesused;
@@ -945,6 +946,13 @@ void event_init(int argc, char *argv[], char **filename)
nocom = 0;
}
/* [RK] 2026-03-30 */
if (getarg("-PMAR", argc, argv) != -1) {
partmarkers = 1;
} else {
partmarkers = 0;
}
if (getarg("-STFW",argc,argv) != -1) {
separate_tracks_for_words = 1;
} else {
@@ -1025,7 +1033,7 @@ void event_init(int argc, char *argv[], char **filename)
printf("abc2midi version %s\n",VERSION);
printf("Usage : abc2midi <abc file> [reference number] [-c] [-v] ");
printf("[-o filename]\n");
printf(" [-t] [-n <value>] [-CS] [-NFNP] [-NCOM] [-NFER] [-NGRA] [-NGUI] [-HARP]\n");
printf(" [-t] [-n <value>] [-CS] [-NFNP] [-NCOM] [-NFER] [-NGRA] [-NGUI] [-HARP] [-PMAR]\n");
printf(" [reference number] selects a tune\n");
printf(" -c selects checking only\n");
printf(" -v selects verbose option\n");
@@ -1039,6 +1047,7 @@ void event_init(int argc, char *argv[], char **filename)
printf(" -Q default tempo (quarter notes/minute)\n");
printf(" -NFNP don't process !p! or !f!-like fields\n");
printf(" -NCOM suppress comments in output MIDI file\n");
printf(" -PMAR emit MIDI marker meta-events for P: part labels\n"); /* [RK] 2026-03-30 */
printf(" -NFER ignore all fermata markings\n");
printf(" -NGRA ignore grace notes\n");
printf(" -NGUI ignore guitar chord indications\n");
@@ -2893,7 +2902,13 @@ void event_part(char *s)
if (dotune) {
p = s;
skipspace(&p);
if (pastheader && parts == -1) return; /* [SS] 2014-04-10 */
if (pastheader && parts == -1) { /* [RK] 2026-03-30 */
/* No header P: spec. If -PMAR, store body P: as section label */
if (partmarkers && ((int)*p >= 'A') && ((int)*p <= 'Z')) {
addfeature(PART, (int)*p, 0, 0);
}
return;
}
if (pastheader) {
if (((int)*p < 'A') || ((int)*p > 'Z')) {
if (!silent) event_error("Part must be one of A-Z");