midifile: add support for event dump

Make a method to dump event info to stdout.
This commit is contained in:
Wim Taymans 2020-03-01 20:39:07 +01:00
parent 3b1fc4acce
commit 70fc09b891
2 changed files with 246 additions and 0 deletions

View file

@ -27,6 +27,7 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
#include <fcntl.h> #include <fcntl.h>
#include <math.h>
#include "midifile.h" #include "midifile.h"
@ -450,3 +451,246 @@ int midi_file_write_event(struct midi_file *mf, const struct midi_event *event)
return 0; return 0;
} }
static const char *event_names[] = {
"Text", "Copyright", "Sequence/Track Name",
"Instrument", "Lyric", "Marker", "Cue Point",
"Program Name", "Device (Port) Name"
};
static const char *note_names[] = {
"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"
};
static const char *controller_names[128] = {
[0] = "Bank Select (coarse)",
[1] = "Modulation Wheel (coarse)",
[2] = "Breath controller (coarse)",
[4] = "Foot Pedal (coarse)",
[5] = "Portamento Time (coarse)",
[6] = "Data Entry (coarse)",
[7] = "Volume (coarse)",
[8] = "Balance (coarse)",
[10] = "Pan position (coarse)",
[11] = "Expression (coarse)",
[12] = "Effect Control 1 (coarse)",
[13] = "Effect Control 2 (coarse)",
[16] = "General Purpose Slider 1",
[17] = "General Purpose Slider 2",
[18] = "General Purpose Slider 3",
[19] = "General Purpose Slider 4",
[32] = "Bank Select (fine)",
[33] = "Modulation Wheel (fine)",
[34] = "Breath (fine)",
[36] = "Foot Pedal (fine)",
[37] = "Portamento Time (fine)",
[38] = "Data Entry (fine)",
[39] = "Volume (fine)",
[40] = "Balance (fine)",
[42] = "Pan position (fine)",
[43] = "Expression (fine)",
[44] = "Effect Control 1 (fine)",
[45] = "Effect Control 2 (fine)",
[64] = "Hold Pedal (on/off)",
[65] = "Portamento (on/off)",
[66] = "Sustenuto Pedal (on/off)",
[67] = "Soft Pedal (on/off)",
[68] = "Legato Pedal (on/off)",
[69] = "Hold 2 Pedal (on/off)",
[70] = "Sound Variation",
[71] = "Sound Timbre",
[72] = "Sound Release Time",
[73] = "Sound Attack Time",
[74] = "Sound Brightness",
[75] = "Sound Control 6",
[76] = "Sound Control 7",
[77] = "Sound Control 8",
[78] = "Sound Control 9",
[79] = "Sound Control 10",
[80] = "General Purpose Button 1 (on/off)",
[81] = "General Purpose Button 2 (on/off)",
[82] = "General Purpose Button 3 (on/off)",
[83] = "General Purpose Button 4 (on/off)",
[91] = "Effects Level",
[92] = "Tremulo Level",
[93] = "Chorus Level",
[94] = "Celeste Level",
[95] = "Phaser Level",
[96] = "Data Button increment",
[97] = "Data Button decrement",
[98] = "Non-registered Parameter (fine)",
[99] = "Non-registered Parameter (coarse)",
[100] = "Registered Parameter (fine)",
[101] = "Registered Parameter (coarse)",
[120] = "All Sound Off",
[121] = "All Controllers Off",
[122] = "Local Keyboard (on/off)",
[123] = "All Notes Off",
[124] = "Omni Mode Off",
[125] = "Omni Mode On",
[126] = "Mono Operation",
[127] = "Poly Operation",
};
static const char *program_names[] = {
"Acoustic Grand", "Bright Acoustic", "Electric Grand", "Honky-Tonk",
"Electric Piano 1", "Electric Piano 2", "Harpsichord", "Clavinet",
"Celesta", "Glockenspiel", "Music Box", "Vibraphone", "Marimba",
"Xylophone", "Tubular Bells", "Dulcimer", "Drawbar Organ", "Percussive Organ",
"Rock Organ", "Church Organ", "Reed Organ", "Accoridan", "Harmonica",
"Tango Accordian", "Nylon String Guitar", "Steel String Guitar",
"Electric Jazz Guitar", "Electric Clean Guitar", "Electric Muted Guitar",
"Overdriven Guitar", "Distortion Guitar", "Guitar Harmonics",
"Acoustic Bass", "Electric Bass (fingered)", "Electric Bass (picked)",
"Fretless Bass", "Slap Bass 1", "Slap Bass 2", "Synth Bass 1", "Synth Bass 2",
"Violin", "Viola", "Cello", "Contrabass", "Tremolo Strings", "Pizzicato Strings",
"Orchestral Strings", "Timpani", "String Ensemble 1", "String Ensemble 2",
"SynthStrings 1", "SynthStrings 2", "Choir Aahs", "Voice Oohs", "Synth Voice",
"Orchestra Hit", "Trumpet", "Trombone", "Tuba", "Muted Trumpet", "French Horn",
"Brass Section", "SynthBrass 1", "SynthBrass 2", "Soprano Sax", "Alto Sax",
"Tenor Sax", "Baritone Sax", "Oboe", "English Horn", "Bassoon", "Clarinet",
"Piccolo", "Flute", "Recorder", "Pan Flute", "Blown Bottle", "Skakuhachi",
"Whistle", "Ocarina", "Lead 1 (square)", "Lead 2 (sawtooth)", "Lead 3 (calliope)",
"Lead 4 (chiff)", "Lead 5 (charang)", "Lead 6 (voice)", "Lead 7 (fifths)",
"Lead 8 (bass+lead)", "Pad 1 (new age)", "Pad 2 (warm)", "Pad 3 (polysynth)",
"Pad 4 (choir)", "Pad 5 (bowed)", "Pad 6 (metallic)", "Pad 7 (halo)",
"Pad 8 (sweep)", "FX 1 (rain)", "FX 2 (soundtrack)", "FX 3 (crystal)",
"FX 4 (atmosphere)", "FX 5 (brightness)", "FX 6 (goblins)", "FX 7 (echoes)",
"FX 8 (sci-fi)", "Sitar", "Banjo", "Shamisen", "Koto", "Kalimba", "Bagpipe",
"Fiddle", "Shanai", "Tinkle Bell", "Agogo", "Steel Drums", "Woodblock",
"Taiko Drum", "Melodic Tom", "Synth Drum", "Reverse Cymbal", "Guitar Fret Noise",
"Breath Noise", "Seashore", "Bird Tweet", "Telephone Ring", "Helicopter",
"Applause", "Gunshot"
};
static const char *smpte_rates[] = {
"24 fps",
"25 fps",
"30 fps (drop frame)",
"30 fps (non drop frame)"
};
static const char *const major_keys[] = {
"Unknown major", "Fb", "Cb", "Gb", "Db", "Ab", "Eb", "Bb", "F",
"C", "G", "D", "A", "E", "B", "F#", "C#", "G#", "Unknown major"
};
static const char *const minor_keys[] = {
"Unknown minor", "Dbm", "Abm", "Ebm", "Bbm", "Fm", "Cm", "Gm", "Dm",
"Am", "Em", "Bm", "F#m", "C#m", "G#m", "D#m", "A#m", "E#m", "Unknown minor"
};
static const char *controller_name(uint8_t ctrl)
{
if (ctrl > 127 ||
controller_names[ctrl] == NULL)
return "Unknown";
return controller_names[ctrl];
}
static void dump_mem(const char *label, uint8_t *data, uint32_t size)
{
printf("%s: ", label);
while (size--)
printf("%02x ", *data++);
}
int midi_file_dump_event(const struct midi_event *ev)
{
printf("track:%2d sec:%f ", ev->track, ev->sec);
switch (ev->data[0]) {
case 0x80 ... 0x8f:
printf("Note Off (channel %2d): note %3s%d, velocity %3d",
ev->data[0] & 0x0f,
note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
ev->data[2]);
break;
case 0x90 ... 0x9f:
printf("Note On (channel %2d): note %3s%d, velocity %3d",
ev->data[0] & 0x0f,
note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
ev->data[2]);
break;
case 0xa0 ... 0xaf:
printf("Aftertouch (channel %2d): note %3s%d, pressure %3d",
ev->data[0] & 0x0f,
note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
ev->data[2]);
break;
case 0xb0 ... 0xbf:
printf("Controller (channel %2d): controller %3d (%s), value %3d",
ev->data[0] & 0x0f, ev->data[1],
controller_name(ev->data[1]), ev->data[2]);
break;
case 0xc0 ... 0xcf:
printf("Program (channel %2d): program %3d (%s)",
ev->data[0] & 0x0f, ev->data[1],
program_names[ev->data[1]]);
break;
case 0xd0 ... 0xdf:
printf("Channel Pressure (channel %2d): pressure %3d",
ev->data[0] & 0x0f, ev->data[1]);
break;
case 0xe0 ... 0xef:
printf("Pitch Bend (channel %2d): value %d", ev->data[0] & 0x0f,
((int)ev->data[2] << 7 | ev->data[1]) - 0x2000);
break;
case 0xf0:
case 0xf7:
dump_mem("SysEx", ev->data, ev->size);
break;
case 0xff:
printf("Meta: ");
switch (ev->data[1]) {
case 0x00:
printf("Sequence Number %3d %3d", ev->data[3], ev->data[4]);
break;
case 0x01 ... 0x09:
printf("%s: %s", event_names[ev->data[1] - 1], &ev->data[ev->meta.offset]);
break;
case 0x20:
printf("Channel Prefix: %03d", ev->data[3]);
break;
case 0x21:
printf("Midi Port: %03d", ev->data[3]);
break;
case 0x2f:
printf("End Of Track");
break;
case 0x51:
printf("Tempo: %d microseconds per quarter note, %.2f BPM",
ev->meta.parsed.tempo.uspqn,
60000000.0 / (double)ev->meta.parsed.tempo.uspqn);
break;
case 0x54:
printf("SMPTE Offset: %s %02d:%02d:%02d:%02d.%03d",
smpte_rates[(ev->data[3] & 0x60) >> 5],
ev->data[3] & 0x1f, ev->data[4], ev->data[5],
ev->data[6], ev->data[7]);
break;
case 0x58:
printf("Time Signature: %d/%d, %d clocks per click, %d notated 32nd notes per quarter note",
ev->data[3], (int)pow(2, ev->data[4]), ev->data[5], ev->data[6]);
break;
case 0x59:
{
int sf = ev->data[3];
printf("Key Signature: %d %s: %s", abs(sf),
sf > 0 ? "sharps" : "flats",
ev->data[4] == 0 ?
major_keys[SPA_CLAMP(sf + 9, 0, 19)] :
minor_keys[SPA_CLAMP(sf + 9, 0, 19)]);
break;
}
case 0x7f:
dump_mem("Sequencer", ev->data, ev->size);
break;
default:
dump_mem("Invalid", ev->data, ev->size);
}
break;
}
printf("\n");
return 0;
}

View file

@ -60,3 +60,5 @@ int midi_file_next_time(struct midi_file *mf, double *sec);
int midi_file_read_event(struct midi_file *mf, struct midi_event *event); int midi_file_read_event(struct midi_file *mf, struct midi_event *event);
int midi_file_write_event(struct midi_file *mf, const struct midi_event *event); int midi_file_write_event(struct midi_file *mf, const struct midi_event *event);
int midi_file_dump_event(const struct midi_event *event);