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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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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];