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2023.10.25

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sshlien
2023-10-25 19:43:27 -04:00
parent 2bf0052eb8
commit 4e0266179b
5 changed files with 22 additions and 6 deletions
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2
VERSION
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@@ -1,2 +1,2 @@
September 13 2023
October 25 2023

3
doc/CHANGES
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@@ -15103,4 +15103,7 @@ stats_noteon(). In function, output_track_summary(), suppressed
notemeanpitch for percussion channel.
October 25 2023
Midistats returns track activity (note on/off) for every track.

6
doc/midistats.1
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@@ -1,4 +1,4 @@
.TH MIDISTATS 1 "9 December 2022"
.TH MIDISTATS 1 "25 October 2023"
.SH NAME
\fBmidistats\fP \- program to summarize the statistical properties of a midi file
.SH SYNOPSIS
@@ -77,6 +77,10 @@ that occur in the midi file.
pitchact is a similar histogram but is weighted by the length of
the notes.
.PP
chnact returns the amount of note activity in each channel.
.PP
trkact returns the number of notes in each track.
.PP
totalrhythmpatterns is the total number of bar rhythm patterns for
all channels except the percussion channel.
.PP

2
doc/readme.txt
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@@ -6,7 +6,7 @@ abc2abc version 2.20 February 07 2023
yaps version 1.92 January 06 2023
abcmatch version 1.82 June 14 2022
midicopy version 1.38 May 06 2022
midistats version 0.75 September 13 2023
midistats version 0.77 October 25 2023
24th January 2002
Copyright James Allwright

15
midistats.c
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@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define VERSION "0.75 September 13 2023 midistats"
#define VERSION "0.77 October 25 2023 midistats"
#include <limits.h>
/* Microsoft Visual C++ Version 6.0 or higher */
@@ -63,6 +63,7 @@ static FILE *F;
static FILE *outhandle; /* for producing the abc file */
int tracknum=0; /* track number */
int lasttrack = 0; /* lasttrack */
int division; /* pulses per quarter note defined in MIDI header */
int quietLimit; /* minimum number of pulses with no activity */
long tempo = 500000; /* the default tempo is 120 quarter notes/minute */
@@ -171,6 +172,7 @@ int pitchhistogram[12]; /* pitch distribution for non drum notes */
int channel2prog[17]; /* maps channel to program */
int channel2nnotes[17]; /*maps channel to note count */
int chnactivity[17]; /* [SS] 2018-02-02 */
int trkactivity[40]; /* [SS] 2023-10-25 */
int progactivity[128]; /* [SS] 2018-02-02 */
int pitchclass_activity[12]; /* [SS] 2018-02-02 */
int chanpitchhistogram[204]; /* [SS] 2023-09-13 */
@@ -417,6 +419,7 @@ void stats_header (int format, int ntrks, int ldivision)
quietLimit = ldivision*8;
divisionsPerBar = division*beatsPerBar;
unitDivision = divisionsPerBar/24;
lasttrack = ntrks; /* [SS] 2023-10-25 */
printf("ntrks %d\n",ntrks);
printf("ppqn %d\n",ldivision);
chordthreshold = ldivision/16; /* [SS] 2018-01-21 */
@@ -439,6 +442,7 @@ void stats_header (int format, int ntrks, int ldivision)
for (i=0;i<12;i++) pitchhistogram[i] = 0; /* [SS] 2017-11-01 */
for (i=0;i<12;i++) pitchclass_activity[i] = 0; /* [SS] 2018-02-02 */
for (i=0;i<128;i++) progactivity[i] = 0; /* [SS] 2018-02-02 */
for (i=0;i<40;i++) trkactivity[i]=0; /* [SS] 2023-10-25 */
}
void determine_progcolor ()
@@ -524,9 +528,13 @@ else
for (i=0;i<12;i++) printf("%5.2f ",(double) pitchclass_activity[i]);
printf("\nchnact "); /* [SS] 2018-02-08 */
if (npulses > 0)
for (i=1;i<17;i++) printf("%5.2f ",chnactivity[i]/(double) trkdata.npulses[0]);
for (i=1;i<17;i++) printf("%5.3f ",chnactivity[i]/(double) trkdata.npulses[0]);
else
for (i=0;i<17;i++) printf("%5.2f ",(double) chnactivity[i]);
for (i=0;i<17;i++) printf("%5.3f ",(double) chnactivity[i]);
printf("\ntrkact ");
lasttrack++;
for (i=0;i<lasttrack;i++) printf("% 5d",trkactivity[i]);
printf("\npitchentropy %f\n",histogram_entropy(pitchclass_activity,12));
printf("totalrhythmpatterns =%d\n",nrpatterns);
printf("collisions = %d\n",ncollisions);
@@ -734,6 +742,7 @@ void stats_noteoff(int chan,int pitch,int vol)
//if (length < 3) printf("chan = %d lasttick = %d currtime = %ld\n",chan,lastTick[chan*128+pitch],Mf_currtime);
trkdata.lastNoteOff[chan+1] = Mf_currtime; /* [SS] 2022.08.22 */
chnactivity[chan+1] += length;
trkactivity[tracknum]++;
if (chan == 9) return; /* drum channel */
pitchclass_activity[pitch % 12] += length;
program = trkdata.program[chan+1];