2024.03.13

VERSION

@@ -1,2 +1,2 @@
-March 05 2024
+March 13 2024
 

doc/midistats.1

@@ -1,4 +1,4 @@
-.TH MIDISTATS 1 "11 February 2024"
+.TH MIDISTATS 1 "18 February 2024"
 .SH NAME
 \fBmidistats\fP \- program to summarize the statistical properties of a midi file
 .SH SYNOPSIS
@@ -139,6 +139,11 @@ rpats: the number of rhythmpatterns for each channels. This is a
 duplication of data printed previously.
 .br
 pavg: the average pitch of all the notes for each channel.
+.br
+spread: the percentage of the track that each channel is active.
+.PP
+If some of the channels appear in more than one track, then
+some of the above values may be incorrect.
 .PP
 In addition the midistats may return other codes that describe
 other characteristics. They include

doc/readme.txt

@@ -6,7 +6,7 @@ abc2abc  version 2.21 February 19 2024
 yaps     version 1.93 February 19 2024
 abcmatch version 1.83 February 19 2024
 midicopy version 1.39 November 08 2022
-midistats version 0.88 March 05 2024
+midistats version 0.89 March 13 2024
 
 24th January 2002
 Copyright James Allwright

midistats.c

@@ -17,7 +17,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
  
-#define VERSION "0.88 March 05 2024 midistats"
+#define VERSION "0.89 March 13 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 
@@ -204,6 +204,8 @@ struct notememory {int eighthUnit;
                    int jumpCount;
                    int totalNotes;
                    int totalPitches;
+                   int quietTime;
+                   int used;
                    } nm[17];
 
 struct notememory tracknm;
@@ -709,6 +711,8 @@ for (i=1;i<17;i++) {
    printf(" %f",trkdata.pitchEntropy[i]);
     } else
      printf("-1 0");
+   nm[i].quietTime += trkdata.quietTime[i];
+   nm[i].used = channel_used_in_track[i];
    trkdata.quietTime[i] = 0; /* in case channel i is used in another track */
    trkdata.numberOfGaps[i] = 0;
    if (lasttrack > 1) printf(" %d %d %d\n",tracknm.zeroCount,tracknm.stepCount,tracknm.jumpCount);
@@ -776,6 +780,8 @@ void clearNotememory () {
     nm[i].jumpCount = 0;
     nm[i].totalNotes =0;
     nm[i].totalPitches =0;
+    nm[i].quietTime = 0;
+    nm[i].used = 0;
     }
 }
 
@@ -1363,6 +1369,9 @@ int i;
   printf("\npavg:   "); 
   /* avoid dividing by 0 */
   for(i=0;i<16;i++) printf(" %d",nm[i].totalPitches/(1+nm[i].totalNotes));
+  printf("\nspread: "); 
+  for(i=1;i<17;i++) if(nm[i].used > 0) printf(" %d",100*(trkdata.npulses[0] - nm[i].quietTime)/trkdata.npulses[0]);
+                    else printf(" %d",0);
   printf("\n");
 }