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2023.11.14

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sshlien
2023-11-14 16:36:10 -05:00
parent d93cb473dc
commit 633e8d8848
4 changed files with 21 additions and 10 deletions
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2
VERSION
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@@ -1,2 +1,2 @@
November 08 2023 November 13 2023

7
doc/drums.txt
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@@ -15,9 +15,10 @@ track which distinguishes the MIDI files. This is attempted
in the program midistats. Here is a short description. in the program midistats. Here is a short description.
-corestats -corestats
Produces a line with 3 numbers separated by tabs. eg Produces a line with 5 numbers separated by tabs. eg
384 8349 448 1 8 384 4057 375
It returns the number of divisions per quarter note beat (ppqn), It returns the number of tracks, the number of channels, the
number of divisions per quarter note beat (ppqn),
the number of note onsets in the midi file, and the maximum the number of note onsets in the midi file, and the maximum
number of quarter note beats in midi file. number of quarter note beats in midi file.

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 yaps version 1.92 January 06 2023
abcmatch version 1.82 June 14 2022 abcmatch version 1.82 June 14 2022
midicopy version 1.39 November 08 2022 midicopy version 1.39 November 08 2022
midistats version 0.79 November 08 2023 midistats version 0.80 November 13 2023
24th January 2002 24th January 2002
Copyright James Allwright Copyright James Allwright

20
midistats.c
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@@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/ */
#define VERSION "0.79 November 08 2023 midistats" #define VERSION "0.80 November 13 2023 midistats"
#include <limits.h> #include <limits.h>
/* Microsoft Visual C++ Version 6.0 or higher */ /* Microsoft Visual C++ Version 6.0 or higher */
@@ -479,7 +479,7 @@ int maxcount,ncounts;
int maxloc; int maxloc;
float threshold,peak; float threshold,peak;
int decimate; int decimate;
float tripletsCriterion; float tripletsCriterion8,tripletsCriterion4;
int resolution = 12; int resolution = 12;
threshold = 10.0/(float) division; threshold = 10.0/(float) division;
maxcount = 0; maxcount = 0;
@@ -501,9 +501,11 @@ for (i = 0; i < division; i++) {
peak = (float) maxcount/ (float) ncounts; peak = (float) maxcount/ (float) ncounts;
/*printf("maxcount = %d ncounts = %d peak = %f threshold = %f\n",maxcount,ncounts,peak,threshold); */ /*printf("maxcount = %d ncounts = %d peak = %f threshold = %f\n",maxcount,ncounts,peak,threshold); */
if (peak < threshold) printf("unquantized\n"); if (peak < threshold) printf("unquantized\n");
tripletsCriterion = (float) pulseDistribution[8]/ (float) ncounts; tripletsCriterion8 = (float) pulseDistribution[8]/ (float) ncounts;
tripletsCriterion4 = (float) pulseDistribution[4]/ (float) ncounts;
/*printf("tripletsCriterion = %f\n",tripletsCriterion);*/ /*printf("tripletsCriterion = %f\n",tripletsCriterion);*/
if (tripletsCriterion > 0.15) printf("triplets\n"); if (tripletsCriterion8 > 0.10 || tripletsCriterion4 > 0.10) printf("triplets\n");
if (pulseDistribution[0]/(float) ncounts > 0.95) printf("qnotes");
} }
void stats_finish() void stats_finish()
@@ -927,6 +929,7 @@ lastEvent++;
if (lastEvent > 49999) {printf("ran out of space in midievents structure\n"); if (lastEvent > 49999) {printf("ran out of space in midievents structure\n");
exit(1); exit(1);
} }
channel_active[chan+1]++;
} }
void record_noteoff(int chan,int pitch,int vol) void record_noteoff(int chan,int pitch,int vol)
@@ -948,8 +951,10 @@ int int_compare_events(const void *a, const void *b) {
void load_header (int format, int ntrks, int ldivision) void load_header (int format, int ntrks, int ldivision)
{ {
int i;
division = ldivision; division = ldivision;
lasttrack = ntrks; lasttrack = ntrks;
for (i=0;i<17;i++) channel_active[i] = 0; /* for counting number of channels*/
} }
@@ -1221,7 +1226,12 @@ printf("\n");
void corestatsOutput() { void corestatsOutput() {
printf("%d\t%d\t%d\t%d\n",lasttrack, division,lastEvent,lastBeat); int i;
int nchannels;
nchannels = 0;
for (i=1;i<17;i++)
if (channel_active[i] > 0) nchannels++;
printf("%d\t%d\t%d\t%d\t%d\n",lasttrack,nchannels, division,lastEvent,lastBeat);
} }