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2024.06.09

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sshlien
2024-06-09 08:52:14 -04:00
parent 45bd1a7102
commit 13c93c3d74
4 changed files with 23 additions and 10 deletions
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23
midistats.c
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@@ -17,7 +17,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define VERSION "0.92 June 03 2024 midistats"
#define VERSION "0.93 June 07 2024 midistats"
/* midistrats.c is a descendent of midi2abc.c which was becoming to
large. The object of the program is to extract statistical characterisitic
@@ -245,7 +245,7 @@ static int progmapper[] = {
16, 16, 16, 16, 16, 16, 16, 16
};
int pulseCounter[1024];
int pulseCounter[2048];
int pulseDistribution[24];
struct barPattern {
@@ -463,6 +463,14 @@ void stats_header (int format, int ntrks, int ldivision)
{
int i;
division = ldivision;
if(division < 12) {
printf("Error: division (PPQN) is too small\n");
exit(1);
}
if(ntrks > 40) {
printf("Error: too many tracks = %d\n",ntrks);
exit(1);
}
halfdivision = ldivision/2;
quietLimit = ldivision*8;
divisionsPerBar = division*beatsPerBar;
@@ -532,6 +540,7 @@ threshold = 10.0/(float) division;
maxcount = 0;
ncounts = 0;
npeaks = 0;
if (division > 2047) return; /* PPQN is too large for pulseCounter */
for (i=0;i<division;i++) {
ncounts = ncounts + pulseCounter[i];
if (pulseCounter[i] > maxcount) {
@@ -903,10 +912,10 @@ int chan, pitch, vol;
return;
}
pulsePosition = Mf_currtime % division;
pulseCounter[pulsePosition]++;
if (pulsePosition >= 1023) {printf("pulsePosition = %d too large\n",pulsePosition);
if (pulsePosition >= 2047) {printf("Error: pulsePosition = %d too large\n",pulsePosition);
exit(1);
}
pulseCounter[pulsePosition]++;
trkdata.notemeanpitch[chan+1] += pitch;
trkdata.notepitchmax[chan+1] = max(trkdata.notepitchmax[chan+1],pitch);
trkdata.notepitchmin[chan+1] = min(trkdata.notepitchmin[chan+1],pitch);
@@ -1183,7 +1192,7 @@ void initfunc_for_stats()
Mf_seqspecific = no_op3;
Mf_text = stats_metatext;
Mf_arbitrary = no_op2;
for (i = 0; i< 1023; i++) pulseCounter[i] = 0;
for (i = 0; i< 2047; i++) pulseCounter[i] = 0;
}
@@ -1235,11 +1244,11 @@ int pulsePosition;
int decimate;
float fraction;
int resolution = 12;
for (i = 0; i< 1023; i++) pulseCounter[i] = 0;
for (i = 0; i< 2047; i++) pulseCounter[i] = 0;
for (i = 0; i < lastEvent; i++) {
pulsePosition = midievents[i].onsetTime % division;
pulseCounter[pulsePosition]++;
if (pulsePosition >= 1023) {printf("pulsePosition = %d too large\n",pulsePosition);
if (pulsePosition > 2047) {printf("pulsePosition = %d too large\n",pulsePosition);
exit(1);
}
}