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2025.11.26

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sshlien
2025-11-26 13:10:21 -05:00
parent e392893a9a
commit 0bbb7519cb
3 changed files with 47 additions and 28 deletions
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28
midistats.c
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@@ -17,7 +17,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define VERSION "1.00 June 27 2025 midistats"
#define VERSION "1.01 November 26 2025 midistats"
/* midistrats.c is a descendent of midi2abc.c which was becoming to
large. The object of the program is to extract statistical characterisitic
@@ -182,6 +182,8 @@ struct trkstat {
int rhythmpatterns[17];
int numberOfGaps[17];
int chanvol[17];
int velocity[17]; /* 2025.11.26 */
int velocity2[17]; /* 2025.11.26 */
float pitchEntropy[17];
} trkdata;
@@ -729,28 +731,38 @@ if (sum != 0) {
void output_track_summary () {
int i;
int nnotes; /* 2025.11.26 */
float avgvel, varvel; /* 2025.11.26 */
/* find first channel containing data */
output_hasher_results();
for (i=1;i<17;i++) {
if(trkdata.notecount[i] == 0 && trkdata.chordcount[i] == 0) continue;
printf("trkinfo ");
printf("%d %d ",i,trkdata.program[i]); /* channel number and program*/
nnotes = trkdata.notecount[i]+trkdata.chordcount[i]; /* 2025.11.26 */
printf("%d %d ",trkdata.notecount[i],trkdata.chordcount[i]);
/* [SS] 2023-08-22 */
if (i != 10) printf("%d %d ",trkdata.notemeanpitch[i], trkdata.notelength[i]);
else
printf("-1 0 ");
printf("%d ",trkdata.pitchbend[i]); /* [SS] 2024-07-26 */
printf("%d %d ",trkdata.cntlparam[i],trkdata.pressure[i]); /* [SS] 2022-03-04 */
printf("%d %d ",trkdata.quietTime[i],trkdata.rhythmpatterns[i]);
if (i != 10) {printf("%d %d %d %d %d",trkdata.notepitchmin[i], trkdata.notepitchmax[i] ,trkdata.notelengthmin[i], trkdata.notelengthmax[i], trkdata.numberOfGaps[i]);
printf(" %f",trkdata.pitchEntropy[i]);
} else
printf("-1 0");
if (lasttrack > 1) printf(" %d %d %d\n",tracknm.zeroCount,tracknm.stepCount,tracknm.jumpCount);
else
printf(" %d %d %d\n",nm[i-1].zeroCount,nm[i-1].stepCount,nm[i-1].jumpCount);
/* 2025.11.26 next 6 lines */
printf(" %d %d %d",nm[i-1].zeroCount,nm[i-1].stepCount,nm[i-1].jumpCount);
avgvel = (float) trkdata.velocity[i]/(float) nnotes;
varvel = ((float) trkdata.velocity2[i] / (float) nnotes) - avgvel*avgvel;
if (varvel < 0.01) varvel = 0.01;
printf(" %d %d",(int) round(avgvel),(int) round(sqrt(varvel)));
printf("\n");
} else
printf("-1 0\n");
if (lasttrack == 1) { /* 2025.11.26 */
printf(" %d %d %d\n",tracknm.zeroCount,tracknm.stepCount,tracknm.jumpCount);
}
channel2nnotes[i] += trkdata.notecount[i] + trkdata.chordcount[i];
}
@@ -774,6 +786,8 @@ void stats_trackstart()
trkdata.notelengthmax[i] = 0;
trkdata.chordcount[i] = 0;
trkdata.cntlparam[i] = 0;
trkdata.velocity[i] = 0; /* 2025.11.26 */
trkdata.velocity2[i] = 0;
last_on_tick[i] = -1;
channel_active[i] = 0;
}
@@ -921,6 +935,8 @@ int chan, pitch, vol;
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);
trkdata.velocity[chan+1] += vol; /* 2025.11.26 */
trkdata.velocity2[chan+1] += vol*vol;
if (trkdata.lastNoteOff[chan+1] >= 0) {
delta = Mf_currtime - trkdata.lastNoteOff[chan+1];
if (delta > quietLimit) {