mirror of
https://github.com/sshlien/abcmidi.git
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2022.12.09
This commit is contained in:
457
midi2abc.c
457
midi2abc.c
@@ -45,7 +45,7 @@
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* based on public domain 'midifilelib' package.
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*/
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#define VERSION "3.57 September 01 2022 midi2abc"
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#define VERSION "3.58 December 09 2022 midi2abc"
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#include <limits.h>
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/* Microsoft Visual C++ Version 6.0 or higher */
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@@ -79,12 +79,9 @@ extern char* strchr();
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#define MIDDLE 72
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void initfuncs();
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void setupkey(int);
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void stats_finish();
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int testtrack(int trackno, int barbeats, int anacrusis);
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int open_note(int chan, int pitch, int vol);
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int close_note(int chan, int pitch, int *initvol);
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float histogram_entropy (int *histogram, int size);
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void stats_noteoff(int chan,int pitch,int vol);
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void reset_back_array (); /* [SS] 2019-05-08 */
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@@ -251,67 +248,7 @@ void txt_trackstart_type0();
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void txt_noteon_type0(int,int,int);
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void txt_program_type0(int,int);
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/* The following variables are used by the -stats option
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* which is used by a separate application called midiexplorer.tcl.
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* The channel numbers go from 1 to 16 instead of 0 to 15
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*/
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struct trkstat {
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int notecount[17];
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int chordcount[17];
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int notemeanpitch[17];
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int notelength[17];
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int pitchbend[17];
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int pressure[17];
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int cntlparam[17];
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int program[17];
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int tempo[17];
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int npulses[17];
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int lastNoteOff[17];
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int quietTime[17];
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} trkdata;
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/* The trkstat references the individual channels in the midi file.
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* notecount is the number of notes or bass notes in the chord.
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* chordcount is the number of notes not counting the bass notes.
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* notemeanpitch is the average pitch for the channel.
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* notelength is the average note length.
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* pitchbend is the number of pitch bends for the channel.
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* pressure is the number of control pressure commands.
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* cntlparam is the number of control parameter commands.
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* program is number of times there is a program command for the channel.
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* tempo is the number of times there is a tempo command.
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* npulses is the number of pulses.
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*/
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int progcolor[17]; /* used by stats_program */
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int drumhistogram[82]; /* counts drum noteons */
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int pitchhistogram[12]; /* pitch distribution for non drum notes */
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int channel2prog[17]; /* maps channel to program */
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int channel2nnotes[17]; /*maps channel to note count */
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int chnactivity[17]; /* [SS] 2018-02-02 */
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int progactivity[128]; /* [SS] 2018-02-02 */
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int pitchclass_activity[12]; /* [SS] 2018-02-02 */
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/* [SS] 2017-11-01 */
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static int progmapper[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 1, 1, 1, 2,
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3, 3, 3, 3, 3, 3, 3, 3,
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2, 2, 4, 4, 4, 4, 4, 2,
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5, 5, 5, 5, 5, 5, 5, 5,
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6, 6, 6, 6, 6, 2, 7, 10,
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7, 7, 7, 7, 8, 8, 8, 8,
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9, 9, 9, 9, 9, 9, 9, 9,
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11, 11, 11, 11, 11, 11, 11, 11,
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12, 12, 12, 12, 12, 12, 12, 12,
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13, 13, 13, 13, 13, 13, 13, 13,
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14, 14, 14, 14, 14, 14, 14, 14,
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15, 15, 15, 15, 15, 15, 15, 15,
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2, 2, 2, 2, 2, 12, 6, 12,
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1, 1, 10, 10, 10, 10, 10, 1,
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16, 16, 16, 16, 16, 16, 16, 16
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};
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/* Stage 1. Parsing MIDI file */
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@@ -609,15 +546,6 @@ char *s;
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}
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/* [SS] 2017-11-19 */
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void stats_error(s)
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char *s;
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{
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fprintf(stderr,"Error: %s\n",s);
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fprintf(stderr,"activetrack %d\n",tracknum);
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stats_finish();
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}
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void txt_header(xformat,ntrks,ldivision)
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@@ -731,12 +659,6 @@ int chan, pitch, press;
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{
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}
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void stats_pressure(chan,press)
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int chan, press;
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{
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trkdata.pressure[0]++;
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trkdata.pressure[chan+1]++; /* [SS] 2022.04.28 */
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}
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void txt_parameter(chan,control,value)
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int chan, control, value;
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@@ -1140,145 +1062,7 @@ void mftxt_header (int format, int ntrks, int ldivision)
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}
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void stats_header (int format, int ntrks, int ldivision)
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{
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int i;
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division = ldivision;
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quietLimit = ldivision*8;
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printf("ntrks %d\n",ntrks);
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printf("ppqn %d\n",ldivision);
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chordthreshold = ldivision/16; /* [SS] 2018-01-21 */
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trkdata.tempo[0] = 0;
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trkdata.pressure[0] = 0;
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trkdata.program[0] = 0;
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for (i=0;i<17;i++) {
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trkdata.npulses[i] = 0;
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trkdata.pitchbend[i] = 0;
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trkdata.cntlparam[i] = 0; /* [SS] 2022-03-04 */
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trkdata.pressure[i] = 0; /* [SS] 2022-03-04 */
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trkdata.quietTime[i] = 0; /* [SS] 2022-08-22 */
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progcolor[i] = 0;
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channel2prog[i] = -1;
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channel2nnotes[i] = 0;
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chnactivity[i] = 0; /* [SS] 2018-02-02 */
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}
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for (i=0;i<82;i++) drumhistogram[i] = 0;
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for (i=0;i<12;i++) pitchhistogram[i] = 0; /* [SS] 2017-11-01 */
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for (i=0;i<12;i++) pitchclass_activity[i] = 0; /* [SS] 2018-02-02 */
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for (i=0;i<128;i++) progactivity[i] = 0; /* [SS] 2018-02-02 */
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}
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void determine_progcolor ()
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{
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int i;
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for (i=0;i<17;i++) progcolor[i] =0;
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for (i=0;i<128;i++) {
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progcolor[progmapper[i]] += progactivity[i];
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}
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}
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/* [SS] 2018-04-24 */
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void output_progs_data () {
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int i;
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/* check that there is valid progactivity */
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printf("progs ");
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for (i=0;i<128;i++)
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if(progactivity[i] > 0) printf(" %d",i);
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printf("\nprogsact ");
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for (i=0;i<128;i++)
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if(progactivity[i] > 0) printf(" %d",progactivity[i]);
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}
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void stats_finish()
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{
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int i; /* [SDG] 2020-06-03 */
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int npulses;
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int nprogs;
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double delta;
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npulses = trkdata.npulses[0];
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printf("npulses %d\n",trkdata.npulses[0]);
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printf("tempocmds %d\n",trkdata.tempo[0]);
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printf("pitchbends %d\n",trkdata.pitchbend[0]);
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for (i=1;i<17;i++) {
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if (trkdata.pitchbend[i] > 0) {
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printf("pitchbendin %d %d\n",i,trkdata.pitchbend[i]); }
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}
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if (trkdata.pressure[0] > 0)
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printf("pressure %d\n",trkdata.pressure[0]);
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printf("programcmd %d\n",trkdata.program[0]);
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nprogs = 0; /* [SS] 2018-04-24 */
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for (i=1;i<128;i++)
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if(progactivity[i] >0) nprogs++;
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if (nprogs > 0) output_progs_data();
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else {
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for (i=0;i<17;i++)
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if(chnactivity[i] > 0)
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progactivity[channel2prog[i]] = chnactivity[i];
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output_progs_data();
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}
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determine_progcolor();
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printf("\nprogcolor ");
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if (npulses > 0)
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for (i=0;i<17;i++) printf("%5.2f ",progcolor[i]/(double) npulses);
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else
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for (i=0;i<17;i++) printf("%5.2f ",(double) progcolor[i]);
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printf("\n");
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printf("drums ");
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for (i=35;i<82;i++) {
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if (drumhistogram[i] > 0) printf("%d ",i);
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}
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printf("\ndrumhits ");
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for (i=35;i<82;i++) {
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if (drumhistogram[i] > 0) printf("%d ",drumhistogram[i]);
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}
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printf("\npitches "); /* [SS] 2017-11-01 */
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for (i=0;i<12;i++) printf("%d ",pitchhistogram[i]);
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printf("\npitchact "); /* [SS] 2018-02-02 */
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if (npulses > 0)
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for (i=0;i<12;i++) printf("%5.2f ",pitchclass_activity[i]/(double) npulses);
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else
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for (i=0;i<12;i++) printf("%5.2f ",(double) pitchclass_activity[i]);
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printf("\nchnact "); /* [SS] 2018-02-08 */
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if (npulses > 0)
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for (i=1;i<17;i++) printf("%5.2f ",chnactivity[i]/(double) trkdata.npulses[0]);
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else
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for (i=0;i<17;i++) printf("%5.2f ",(double) chnactivity[i]);
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printf("\npitchentropy %f\n",histogram_entropy(pitchclass_activity,12));
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printf("\n");
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}
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float histogram_entropy (int *histogram, int size)
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{
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int i;
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int total;
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float entropy;
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float e,p;
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total = 0;
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entropy = 0.0;
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for (i=0;i<size;i++) {
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total += histogram[i];
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}
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for (i=0;i<size;i++) {
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if (histogram[i] < 1) continue;
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p = (float) histogram[i]/total;
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e = p*log(p);
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entropy = entropy + e;
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}
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return -entropy/log(2.0);
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}
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@@ -1291,70 +1075,9 @@ void mftxt_trackstart()
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printf("Track %d contains %d bytes\n",tracknum,numbytes);
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}
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void output_count_trkdata(data_array,name)
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int data_array[];
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char *name;
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{
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int i,sum;
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sum = 0;
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for (i=1;i<17;i++) sum += data_array[i];
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if (sum != 0) {
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for (i=0;i<17;i++)
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if(data_array[i]>0) {
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printf("%s ",name);
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printf("%d %d ",i,data_array[i]);
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printf("\n");
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}
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}
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}
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void output_track_summary () {
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int i;
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/* find first channel containing data */
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for (i=0;i<17;i++) {
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if(trkdata.notecount[i] == 0 && trkdata.chordcount[i] == 0) continue;
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printf("trkinfo ");
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printf("%d %d ",i,trkdata.program[i]); /* channel number and program*/
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printf("%d %d ",trkdata.notecount[i],trkdata.chordcount[i]);
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printf("%d %d ",trkdata.notemeanpitch[i], trkdata.notelength[i]);
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printf("%d %d ",trkdata.cntlparam[i],trkdata.pressure[i]); /* [SS] 2022-03-04 */
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printf("%d ",trkdata.quietTime[i]); /* [SS] 2022.09.01 */
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trkdata.quietTime[i] = 0;
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printf("\n");
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channel2nnotes[i] += trkdata.notecount[i] + trkdata.chordcount[i];
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}
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}
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void stats_trackstart()
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{
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int i;
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tracknum++;
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for (i=0;i<17;i++) {
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trkdata.notecount[i] = 0;
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trkdata.notemeanpitch[i] = 0;
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trkdata.notelength[i] = 0;
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trkdata.chordcount[i] = 0;
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trkdata.cntlparam[i] = 0;
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last_tick[i] = -1;
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last_on_tick[i] = -1;
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}
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printf("trk %d \n",tracknum);
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}
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void stats_trackend()
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{
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trkdata.npulses[tracknum] = Mf_currtime;
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if (trkdata.npulses[0] < Mf_currtime) trkdata.npulses[0] = Mf_currtime;
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output_track_summary();
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}
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void mftxt_noteon(chan,pitch,vol)
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int chan, pitch, vol;
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{
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@@ -1369,38 +1092,6 @@ int chan, pitch, vol;
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printf("\n");
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}
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void stats_noteon(chan,pitch,vol)
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int chan, pitch, vol;
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{
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int delta;
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if (vol == 0) {
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/* treat as noteoff */
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stats_noteoff(chan,pitch,vol);
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trkdata.lastNoteOff[chan+1] = Mf_currtime; /* [SS] 2022.08.22 */
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return;
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}
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trkdata.notemeanpitch[chan+1] += pitch;
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if (trkdata.lastNoteOff[chan+1] >= 0) {
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delta = Mf_currtime - trkdata.lastNoteOff[chan+1];
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trkdata.lastNoteOff[chan+1] = -1; /* in case of chord */
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if (delta > quietLimit) {
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trkdata.quietTime[chan+1] += delta;
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}
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}
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if (abs(Mf_currtime - last_on_tick[chan+1]) < chordthreshold) trkdata.chordcount[chan+1]++;
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else trkdata.notecount[chan+1]++; /* [SS] 2019-08-02 */
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last_tick[chan+1] = Mf_currtime;
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last_on_tick[chan+1] = Mf_currtime; /* [SS] 2019-08-02 */
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/* last_on_tick not updated by stats_noteoff */
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if (chan == 9) {
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if (pitch < 0 || pitch > 81)
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printf("****illegal drum value %d\n",pitch);
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else drumhistogram[pitch]++;
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}
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else pitchhistogram[pitch % 12]++; /* [SS] 2017-11-01 */
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}
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void mftxt_noteoff(chan,pitch,vol)
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int chan, pitch, vol;
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@@ -1415,28 +1106,6 @@ int chan, pitch, vol;
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}
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void stats_noteoff(int chan,int pitch,int vol)
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{
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int length;
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int program;
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/* ignore if there was no noteon */
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if (last_tick[chan+1] == -1) return;
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length = Mf_currtime - last_tick[chan+1];
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trkdata.notelength[chan+1] += length;
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trkdata.lastNoteOff[chan+1] = Mf_currtime; /* [SS] 2022.08.22 */
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chnactivity[chan+1] += length;
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if (chan == 9) return; /* drum channel */
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pitchclass_activity[pitch % 12] += length;
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program = trkdata.program[chan+1];
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progactivity[program] += length;
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/* [SS] 2018-04-18 */
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if(Mf_currtime > last_tick[chan+1]) last_tick[chan+1] = Mf_currtime;
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}
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void stats_eot () {
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trkdata.lastNoteOff[0] = Mf_currtime; /* [SS] 2022.08.24 */
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}
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void mftxt_polypressure(chan,pitch,press)
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@@ -1474,12 +1143,6 @@ int chan, lsb, msb;
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printf("Pitchbend %2d %d cents = %6.3f (cents)\n",chan+1,pitchbend,cents);
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}
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void stats_pitchbend(chan,lsb,msb)
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int chan, lsb, msb;
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{
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trkdata.pitchbend[0]++;
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trkdata.pitchbend[chan+1]++;
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}
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void mftxt_program(chan,program)
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int chan, program;
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@@ -1536,23 +1199,6 @@ static char *patches[] = {
|
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}
|
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void stats_program(chan,program)
|
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int chan, program;
|
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{
|
||||
int beatnumber;
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if (program <0 || program > 127) return; /* [SS] 2018-03-06 */
|
||||
if (trkdata.program[chan+1] != 0) {
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beatnumber = Mf_currtime/division;
|
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printf("cprogram %d %d %d\n",chan+1,program,beatnumber);
|
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/* count number of times the program was modified for a channel */
|
||||
trkdata.program[0] = trkdata.program[0]+1;
|
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} else {
|
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printf("program %d %d\n",chan+1,program);
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trkdata.program[chan+1] = program;
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}
|
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if (channel2prog[chan+1]== -1) channel2prog[chan+1] = program;
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||||
}
|
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|
||||
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void mftxt_parameter(chan,control,value)
|
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int chan, control, value;
|
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@@ -1631,15 +1277,6 @@ int chan, control, value;
|
||||
printf("CntlParm %2d %s = %d\n",chan+1, ctype[control],value);
|
||||
}
|
||||
|
||||
void stats_parameter(chan,control,value)
|
||||
int chan, control, value;
|
||||
{
|
||||
/*if (control == 7) {
|
||||
printf("cntrlvolume %d %d \n",chan+1,value);
|
||||
}
|
||||
*/
|
||||
trkdata.cntlparam[chan+1]++;
|
||||
}
|
||||
|
||||
void mftxt_metatext(type,leng,mess)
|
||||
int type, leng;
|
||||
@@ -1677,17 +1314,6 @@ char *mess;
|
||||
}
|
||||
|
||||
|
||||
void stats_metatext(type,leng,mess)
|
||||
int type, leng;
|
||||
char *mess;
|
||||
{
|
||||
int i;
|
||||
if (type != 3) return;
|
||||
printf("metatext %d ",type);
|
||||
for (i=0;i<leng;i++) printf("%c",mess[i]);
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
|
||||
void mftxt_keysig(sf,mi)
|
||||
int sf, mi;
|
||||
@@ -1706,25 +1332,6 @@ int sf, mi;
|
||||
}
|
||||
|
||||
|
||||
/* [SS] 2018-01-02 */
|
||||
void stats_keysig(sf,mi)
|
||||
int sf, mi;
|
||||
{
|
||||
float beatnumber;
|
||||
static char *major[] = {"Cb", "Gb", "Db", "Ab", "Eb", "Bb", "F",
|
||||
"C", "G", "D", "A", "E", "B", "F#", "C#"};
|
||||
static char *minor[] = {"Abmin", "Ebmin", "Bbmin", "Fmin", "Cmin",
|
||||
"Gmin", "Dmin", "Amin", "Emin", "Bmin", "F#min", "C#min", "G#min"};
|
||||
int index;
|
||||
beatnumber = Mf_currtime/division;
|
||||
index = sf + 7;
|
||||
if (index < 0 || index >12) return;
|
||||
if (mi)
|
||||
printf("keysig %s %d %d %6.2f\n",minor[index],sf,mi,beatnumber);
|
||||
else
|
||||
printf("keysig %s %d %d %6.2f\n",major[index],sf,mi,beatnumber);
|
||||
}
|
||||
|
||||
|
||||
void mftxt_tempo(ltempo)
|
||||
long ltempo;
|
||||
@@ -1734,17 +1341,6 @@ long ltempo;
|
||||
printf("Metatext tempo = %6.2f bpm\n",60000000.0/tempo);
|
||||
}
|
||||
|
||||
/* [SS] 2018-01-02 */
|
||||
void stats_tempo(ltempo)
|
||||
long ltempo;
|
||||
{
|
||||
float beatnumber;
|
||||
tempo = ltempo;
|
||||
beatnumber = Mf_currtime/division;
|
||||
if (trkdata.tempo[0] == 0) printf("tempo %6.2f bpm\n",60000000.0/tempo);
|
||||
else if (trkdata.tempo[0] < 10) printf("ctempo %6.2f %6.2f\n",60000000.0/tempo,beatnumber);
|
||||
trkdata.tempo[0]++;
|
||||
}
|
||||
|
||||
void mftxt_timesig(nn,dd,cc,bb)
|
||||
int nn, dd, cc, bb;
|
||||
@@ -1758,16 +1354,6 @@ int nn, dd, cc, bb;
|
||||
32nd-notes/24-MIDI-clocks=%d\n", nn,denom,cc,bb); */
|
||||
}
|
||||
|
||||
void stats_timesig(nn,dd,cc,bb)
|
||||
int nn, dd, cc, bb;
|
||||
{
|
||||
float beatnumber;
|
||||
int denom = 1;
|
||||
beatnumber = Mf_currtime/division;
|
||||
while ( dd-- > 0 )
|
||||
denom *= 2;
|
||||
printf("timesig %d/%d %6.2f\n",nn,denom,beatnumber);
|
||||
}
|
||||
|
||||
void mftxt_smpte(hr,mn,se,fr,ff)
|
||||
int hr, mn, se, fr, ff;
|
||||
@@ -1836,31 +1422,6 @@ void initfunc_for_mftext()
|
||||
Mf_arbitrary = no_op2;
|
||||
}
|
||||
|
||||
void initfunc_for_stats()
|
||||
{
|
||||
Mf_error = stats_error; /* [SS] 2017-11-19 */
|
||||
Mf_header = stats_header;
|
||||
Mf_trackstart = stats_trackstart;
|
||||
Mf_trackend = stats_trackend;
|
||||
Mf_noteon = stats_noteon;
|
||||
Mf_noteoff = stats_noteoff;
|
||||
Mf_pressure = no_op3;
|
||||
Mf_parameter = stats_parameter;
|
||||
Mf_pitchbend = stats_pitchbend;
|
||||
Mf_program = stats_program;
|
||||
Mf_chanpressure = stats_pressure;
|
||||
Mf_sysex = no_op2;
|
||||
Mf_metamisc = no_op3;
|
||||
Mf_seqnum = no_op1;
|
||||
Mf_eot = stats_eot;
|
||||
Mf_timesig = stats_timesig;
|
||||
Mf_smpte = no_op5;
|
||||
Mf_tempo = stats_tempo;
|
||||
Mf_keysig = stats_keysig;
|
||||
Mf_seqspecific = no_op3;
|
||||
Mf_text = stats_metatext;
|
||||
Mf_arbitrary = no_op2;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -3662,7 +3223,8 @@ int argc;
|
||||
arg = getarg("-stats",argc,argv);
|
||||
if (arg != -1)
|
||||
{
|
||||
stats = 1;
|
||||
printf("\nuse the new application midistats\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
arg = getarg("-d",argc,argv);
|
||||
@@ -3875,7 +3437,6 @@ int argc;
|
||||
printf(" -mftext mftext output in beats\n");
|
||||
printf(" -mftextpulses mftext output in midi pulses\n");
|
||||
printf(" -mftext mftext output in seconds\n");
|
||||
printf(" -stats summary and statistics output\n");
|
||||
printf(" -ver version number\n");
|
||||
printf(" -d <number> debug parameter\n");
|
||||
printf(" None or only one of the options -aul -gu, -b, -Q -u should\n");
|
||||
@@ -4124,17 +3685,6 @@ mfread();
|
||||
}
|
||||
|
||||
|
||||
void midistats(argc,argv)
|
||||
char *argv[];
|
||||
int argc;
|
||||
{
|
||||
initfunc_for_stats();
|
||||
Mf_getc = filegetc;
|
||||
mfread();
|
||||
stats_finish();
|
||||
}
|
||||
|
||||
|
||||
|
||||
int main(argc,argv)
|
||||
char *argv[];
|
||||
@@ -4146,7 +3696,6 @@ int argc;
|
||||
arg = process_command_line_arguments(argc,argv);
|
||||
if(midiprint ==1) { midigram(argc,argv);
|
||||
} else if(midiprint ==2) { mftext(argc,argv);
|
||||
} else if(stats == 1) { midistats(argc,argv);
|
||||
} else midi2abc(argc,argv);
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user