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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-02 09:01:50 -05:00
midifile: add support for event dump
Make a method to dump event info to stdout.
This commit is contained in:
Wim Taymans
parent
3b1fc4acce
commit
70fc09b891
2 changed files with 246 additions and 0 deletions
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@ -27,6 +27,7 @@
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <math.h>
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#include "midifile.h"
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@ -450,3 +451,246 @@ int midi_file_write_event(struct midi_file *mf, const struct midi_event *event)
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return 0;
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}
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static const char *event_names[] = {
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"Text", "Copyright", "Sequence/Track Name",
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"Instrument", "Lyric", "Marker", "Cue Point",
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"Program Name", "Device (Port) Name"
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};
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static const char *note_names[] = {
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"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"
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};
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static const char *controller_names[128] = {
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[0] = "Bank Select (coarse)",
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[1] = "Modulation Wheel (coarse)",
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[2] = "Breath controller (coarse)",
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[4] = "Foot Pedal (coarse)",
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[5] = "Portamento Time (coarse)",
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[6] = "Data Entry (coarse)",
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[7] = "Volume (coarse)",
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[8] = "Balance (coarse)",
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[10] = "Pan position (coarse)",
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[11] = "Expression (coarse)",
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[12] = "Effect Control 1 (coarse)",
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[13] = "Effect Control 2 (coarse)",
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[16] = "General Purpose Slider 1",
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[17] = "General Purpose Slider 2",
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[18] = "General Purpose Slider 3",
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[19] = "General Purpose Slider 4",
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[32] = "Bank Select (fine)",
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[33] = "Modulation Wheel (fine)",
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[34] = "Breath (fine)",
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[36] = "Foot Pedal (fine)",
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[37] = "Portamento Time (fine)",
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[38] = "Data Entry (fine)",
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[39] = "Volume (fine)",
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[40] = "Balance (fine)",
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[42] = "Pan position (fine)",
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[43] = "Expression (fine)",
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[44] = "Effect Control 1 (fine)",
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[45] = "Effect Control 2 (fine)",
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[64] = "Hold Pedal (on/off)",
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[65] = "Portamento (on/off)",
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[66] = "Sustenuto Pedal (on/off)",
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[67] = "Soft Pedal (on/off)",
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[68] = "Legato Pedal (on/off)",
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[69] = "Hold 2 Pedal (on/off)",
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[70] = "Sound Variation",
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[71] = "Sound Timbre",
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[72] = "Sound Release Time",
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[73] = "Sound Attack Time",
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[74] = "Sound Brightness",
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[75] = "Sound Control 6",
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[76] = "Sound Control 7",
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[77] = "Sound Control 8",
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[78] = "Sound Control 9",
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[79] = "Sound Control 10",
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[80] = "General Purpose Button 1 (on/off)",
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[81] = "General Purpose Button 2 (on/off)",
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[82] = "General Purpose Button 3 (on/off)",
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[83] = "General Purpose Button 4 (on/off)",
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[91] = "Effects Level",
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[92] = "Tremulo Level",
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[93] = "Chorus Level",
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[94] = "Celeste Level",
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[95] = "Phaser Level",
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[96] = "Data Button increment",
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[97] = "Data Button decrement",
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[98] = "Non-registered Parameter (fine)",
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[99] = "Non-registered Parameter (coarse)",
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[100] = "Registered Parameter (fine)",
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[101] = "Registered Parameter (coarse)",
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[120] = "All Sound Off",
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[121] = "All Controllers Off",
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[122] = "Local Keyboard (on/off)",
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[123] = "All Notes Off",
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[124] = "Omni Mode Off",
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[125] = "Omni Mode On",
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[126] = "Mono Operation",
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[127] = "Poly Operation",
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};
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static const char *program_names[] = {
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"Acoustic Grand", "Bright Acoustic", "Electric Grand", "Honky-Tonk",
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"Electric Piano 1", "Electric Piano 2", "Harpsichord", "Clavinet",
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"Celesta", "Glockenspiel", "Music Box", "Vibraphone", "Marimba",
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"Xylophone", "Tubular Bells", "Dulcimer", "Drawbar Organ", "Percussive Organ",
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"Rock Organ", "Church Organ", "Reed Organ", "Accoridan", "Harmonica",
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"Tango Accordian", "Nylon String Guitar", "Steel String Guitar",
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"Electric Jazz Guitar", "Electric Clean Guitar", "Electric Muted Guitar",
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"Overdriven Guitar", "Distortion Guitar", "Guitar Harmonics",
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"Acoustic Bass", "Electric Bass (fingered)", "Electric Bass (picked)",
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"Fretless Bass", "Slap Bass 1", "Slap Bass 2", "Synth Bass 1", "Synth Bass 2",
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"Violin", "Viola", "Cello", "Contrabass", "Tremolo Strings", "Pizzicato Strings",
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"Orchestral Strings", "Timpani", "String Ensemble 1", "String Ensemble 2",
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"SynthStrings 1", "SynthStrings 2", "Choir Aahs", "Voice Oohs", "Synth Voice",
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"Orchestra Hit", "Trumpet", "Trombone", "Tuba", "Muted Trumpet", "French Horn",
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"Brass Section", "SynthBrass 1", "SynthBrass 2", "Soprano Sax", "Alto Sax",
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"Tenor Sax", "Baritone Sax", "Oboe", "English Horn", "Bassoon", "Clarinet",
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"Piccolo", "Flute", "Recorder", "Pan Flute", "Blown Bottle", "Skakuhachi",
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"Whistle", "Ocarina", "Lead 1 (square)", "Lead 2 (sawtooth)", "Lead 3 (calliope)",
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"Lead 4 (chiff)", "Lead 5 (charang)", "Lead 6 (voice)", "Lead 7 (fifths)",
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"Lead 8 (bass+lead)", "Pad 1 (new age)", "Pad 2 (warm)", "Pad 3 (polysynth)",
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"Pad 4 (choir)", "Pad 5 (bowed)", "Pad 6 (metallic)", "Pad 7 (halo)",
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"Pad 8 (sweep)", "FX 1 (rain)", "FX 2 (soundtrack)", "FX 3 (crystal)",
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"FX 4 (atmosphere)", "FX 5 (brightness)", "FX 6 (goblins)", "FX 7 (echoes)",
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"FX 8 (sci-fi)", "Sitar", "Banjo", "Shamisen", "Koto", "Kalimba", "Bagpipe",
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"Fiddle", "Shanai", "Tinkle Bell", "Agogo", "Steel Drums", "Woodblock",
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"Taiko Drum", "Melodic Tom", "Synth Drum", "Reverse Cymbal", "Guitar Fret Noise",
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"Breath Noise", "Seashore", "Bird Tweet", "Telephone Ring", "Helicopter",
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"Applause", "Gunshot"
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};
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static const char *smpte_rates[] = {
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"24 fps",
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"25 fps",
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"30 fps (drop frame)",
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"30 fps (non drop frame)"
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};
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static const char *const major_keys[] = {
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"Unknown major", "Fb", "Cb", "Gb", "Db", "Ab", "Eb", "Bb", "F",
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"C", "G", "D", "A", "E", "B", "F#", "C#", "G#", "Unknown major"
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};
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static const char *const minor_keys[] = {
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"Unknown minor", "Dbm", "Abm", "Ebm", "Bbm", "Fm", "Cm", "Gm", "Dm",
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"Am", "Em", "Bm", "F#m", "C#m", "G#m", "D#m", "A#m", "E#m", "Unknown minor"
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};
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static const char *controller_name(uint8_t ctrl)
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{
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if (ctrl > 127 ||
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controller_names[ctrl] == NULL)
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return "Unknown";
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return controller_names[ctrl];
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}
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static void dump_mem(const char *label, uint8_t *data, uint32_t size)
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{
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printf("%s: ", label);
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while (size--)
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printf("%02x ", *data++);
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}
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int midi_file_dump_event(const struct midi_event *ev)
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{
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printf("track:%2d sec:%f ", ev->track, ev->sec);
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switch (ev->data[0]) {
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case 0x80 ... 0x8f:
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printf("Note Off (channel %2d): note %3s%d, velocity %3d",
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ev->data[0] & 0x0f,
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note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
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ev->data[2]);
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break;
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case 0x90 ... 0x9f:
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printf("Note On (channel %2d): note %3s%d, velocity %3d",
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ev->data[0] & 0x0f,
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note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
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ev->data[2]);
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break;
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case 0xa0 ... 0xaf:
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printf("Aftertouch (channel %2d): note %3s%d, pressure %3d",
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ev->data[0] & 0x0f,
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note_names[ev->data[1] % 12], ev->data[1] / 12 -1,
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ev->data[2]);
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break;
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case 0xb0 ... 0xbf:
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printf("Controller (channel %2d): controller %3d (%s), value %3d",
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ev->data[0] & 0x0f, ev->data[1],
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controller_name(ev->data[1]), ev->data[2]);
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break;
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case 0xc0 ... 0xcf:
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printf("Program (channel %2d): program %3d (%s)",
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ev->data[0] & 0x0f, ev->data[1],
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program_names[ev->data[1]]);
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break;
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case 0xd0 ... 0xdf:
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printf("Channel Pressure (channel %2d): pressure %3d",
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ev->data[0] & 0x0f, ev->data[1]);
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break;
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case 0xe0 ... 0xef:
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printf("Pitch Bend (channel %2d): value %d", ev->data[0] & 0x0f,
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((int)ev->data[2] << 7 | ev->data[1]) - 0x2000);
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break;
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case 0xf0:
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case 0xf7:
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dump_mem("SysEx", ev->data, ev->size);
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break;
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case 0xff:
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printf("Meta: ");
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switch (ev->data[1]) {
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case 0x00:
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printf("Sequence Number %3d %3d", ev->data[3], ev->data[4]);
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break;
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case 0x01 ... 0x09:
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printf("%s: %s", event_names[ev->data[1] - 1], &ev->data[ev->meta.offset]);
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break;
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case 0x20:
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printf("Channel Prefix: %03d", ev->data[3]);
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break;
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case 0x21:
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printf("Midi Port: %03d", ev->data[3]);
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break;
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case 0x2f:
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printf("End Of Track");
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break;
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case 0x51:
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printf("Tempo: %d microseconds per quarter note, %.2f BPM",
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ev->meta.parsed.tempo.uspqn,
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60000000.0 / (double)ev->meta.parsed.tempo.uspqn);
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break;
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case 0x54:
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printf("SMPTE Offset: %s %02d:%02d:%02d:%02d.%03d",
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smpte_rates[(ev->data[3] & 0x60) >> 5],
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ev->data[3] & 0x1f, ev->data[4], ev->data[5],
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ev->data[6], ev->data[7]);
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break;
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case 0x58:
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printf("Time Signature: %d/%d, %d clocks per click, %d notated 32nd notes per quarter note",
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ev->data[3], (int)pow(2, ev->data[4]), ev->data[5], ev->data[6]);
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break;
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case 0x59:
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{
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int sf = ev->data[3];
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printf("Key Signature: %d %s: %s", abs(sf),
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sf > 0 ? "sharps" : "flats",
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ev->data[4] == 0 ?
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major_keys[SPA_CLAMP(sf + 9, 0, 19)] :
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minor_keys[SPA_CLAMP(sf + 9, 0, 19)]);
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break;
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}
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case 0x7f:
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dump_mem("Sequencer", ev->data, ev->size);
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break;
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default:
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dump_mem("Invalid", ev->data, ev->size);
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}
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break;
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}
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printf("\n");
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return 0;
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}
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@ -60,3 +60,5 @@ int midi_file_next_time(struct midi_file *mf, double *sec);
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int midi_file_read_event(struct midi_file *mf, struct midi_event *event);
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int midi_file_write_event(struct midi_file *mf, const struct midi_event *event);
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int midi_file_dump_event(const struct midi_event *event);
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