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root / main.cpp @ 1:3e65e0344413
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#include "MIDIFileReader.h" |
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#include <iostream> |
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using namespace std; |
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using namespace MIDIConstants; |
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int main(int argc, char **argv) |
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{
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if (argc != 2) { |
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cerr << "Usage: midifile <file.mid>" << endl;
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return 1; |
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} |
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QString filename = argv[1];
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MIDIFileReader fr(filename); |
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if (!fr.isOK()) {
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std::cerr << "Error: " << fr.getError().toStdString() << std::endl;
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return 1; |
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} |
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MIDIComposition c = fr.load(); |
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switch (fr.getFormat()) {
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case MIDI_SINGLE_TRACK_FILE: cout << "Format: MIDI Single Track File" << endl; break; |
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case MIDI_SIMULTANEOUS_TRACK_FILE: cout << "Format: MIDI Simultaneous Track File" << endl; break; |
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case MIDI_SEQUENTIAL_TRACK_FILE: cout << "Format: MIDI Sequential Track File" << endl; break; |
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default: cout << "Format: Unknown MIDI file format?" << endl; break; |
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} |
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cout << "Tracks: " << c.size() << endl;
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int td = fr.getTimingDivision();
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if (td < 32768) { |
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cout << "Timing division: " << fr.getTimingDivision() << " ppq" << endl; |
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} else {
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int frames = 256 - (td >> 8); |
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int subframes = td & 0xff; |
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cout << "SMPTE timing: " << frames << " fps, " << subframes << " subframes" << endl; |
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} |
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for (MIDIComposition::const_iterator i = c.begin(); i != c.end(); ++i) {
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cout << "Start of track: " << i.key()+1 << endl; |
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for (MIDITrack::const_iterator j = i->begin(); j != i->end(); ++j) {
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unsigned int t = j->getTime(); |
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int ch = j->getChannelNumber();
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if (j->isMeta()) {
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int code = j->getMetaEventCode();
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string name;
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bool printable = true; |
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switch (code) {
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case MIDI_END_OF_TRACK:
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cout << t << ": End of track" << endl;
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break;
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case MIDI_TEXT_EVENT: name = "Text"; break; |
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case MIDI_COPYRIGHT_NOTICE: name = "Copyright"; break; |
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case MIDI_TRACK_NAME: name = "Track name"; break; |
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case MIDI_INSTRUMENT_NAME: name = "Instrument name"; break; |
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case MIDI_LYRIC: name = "Lyric"; break; |
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case MIDI_TEXT_MARKER: name = "Text marker"; break; |
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case MIDI_SEQUENCE_NUMBER: name = "Sequence number"; printable = false; break; |
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case MIDI_CHANNEL_PREFIX_OR_PORT: name = "Channel prefix or port"; printable = false; break; |
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case MIDI_CUE_POINT: name = "Cue point"; break; |
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case MIDI_CHANNEL_PREFIX: name = "Channel prefix"; printable = false; break; |
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case MIDI_SEQUENCER_SPECIFIC: name = "Sequencer specific"; printable = false; break; |
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case MIDI_SMPTE_OFFSET: name = "SMPTE offset"; printable = false; break; |
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case MIDI_SET_TEMPO:
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{
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int m0 = j->getMetaMessage()[0]; |
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int m1 = j->getMetaMessage()[1]; |
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int m2 = j->getMetaMessage()[2]; |
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long tempo = (((m0 << 8) + m1) << 8) + m2; |
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cout << t << ": Tempo: " << 60000000.0 / double(tempo) << endl; |
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} |
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break;
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case MIDI_TIME_SIGNATURE:
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{
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int numerator = j->getMetaMessage()[0]; |
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int denominator = 1 << (int)j->getMetaMessage()[1]; |
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cout << t << ": Time signature: " << numerator << "/" << denominator << endl; |
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} |
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case MIDI_KEY_SIGNATURE:
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{
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int accidentals = j->getMetaMessage()[0]; |
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int isMinor = j->getMetaMessage()[1]; |
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bool isSharp = accidentals < 0 ? false : true; |
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accidentals = accidentals < 0 ? -accidentals : accidentals;
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cout << t << ": Key signature: " << accidentals << " " |
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<< (isSharp ? |
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(accidentals > 1 ? "sharps" : "sharp") : |
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(accidentals > 1 ? "flats" : "flat")) |
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<< (isMinor ? ", minor" : ", major") << endl; |
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} |
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} |
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if (name != "") { |
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if (printable) {
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cout << t << ": File meta event: code " << code
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<< ": " << name << ": \"" << j->getMetaMessage() |
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<< "\"" << endl;
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} else {
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cout << t << ": File meta event: code " << code
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<< ": " << name << ": "; |
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for (int k = 0; k < j->getMetaMessage().length(); ++k) { |
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cout << (int)j->getMetaMessage()[k] << " "; |
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} |
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} |
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} |
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continue;
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} |
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switch (j->getMessageType()) {
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case MIDI_NOTE_ON:
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cout << t << ": Note: channel " << ch
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<< " duration " << j->getDuration()
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<< " pitch " << j->getPitch()
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<< " velocity " << j->getVelocity() << endl;
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break;
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case MIDI_POLY_AFTERTOUCH:
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cout << t << ": Polyphonic aftertouch: channel " << ch
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<< " pitch " << j->getPitch()
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<< " pressure " << j->getData2() << endl;
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break;
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case MIDI_CTRL_CHANGE:
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{
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int controller = j->getData1();
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string name;
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switch (controller) {
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case MIDI_CONTROLLER_BANK_MSB: name = "Bank select MSB"; break; |
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case MIDI_CONTROLLER_VOLUME: name = "Volume"; break; |
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case MIDI_CONTROLLER_BANK_LSB: name = "Bank select LSB"; break; |
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case MIDI_CONTROLLER_MODULATION: name = "Modulation wheel"; break; |
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case MIDI_CONTROLLER_PAN: name = "Pan"; break; |
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case MIDI_CONTROLLER_SUSTAIN: name = "Sustain"; break; |
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case MIDI_CONTROLLER_RESONANCE: name = "Resonance"; break; |
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case MIDI_CONTROLLER_RELEASE: name = "Release"; break; |
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case MIDI_CONTROLLER_ATTACK: name = "Attack"; break; |
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case MIDI_CONTROLLER_FILTER: name = "Filter"; break; |
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case MIDI_CONTROLLER_REVERB: name = "Reverb"; break; |
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case MIDI_CONTROLLER_CHORUS: name = "Chorus"; break; |
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case MIDI_CONTROLLER_NRPN_1: name = "NRPN 1"; break; |
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case MIDI_CONTROLLER_NRPN_2: name = "NRPN 2"; break; |
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case MIDI_CONTROLLER_RPN_1: name = "RPN 1"; break; |
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case MIDI_CONTROLLER_RPN_2: name = "RPN 2"; break; |
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case MIDI_CONTROLLER_SOUNDS_OFF: name = "All sounds off"; break; |
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case MIDI_CONTROLLER_RESET: name = "Reset"; break; |
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case MIDI_CONTROLLER_LOCAL: name = "Local"; break; |
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case MIDI_CONTROLLER_ALL_NOTES_OFF: name = "All notes off"; break; |
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} |
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cout << t << ": Controller change: channel " << ch
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<< " controller " << j->getData1();
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if (name != "") cout << " (" << name << ")"; |
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cout << " value " << j->getData2() << endl;
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} |
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break;
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case MIDI_PROG_CHANGE:
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cout << t << ": Program change: channel " << ch
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<< " program " << j->getData1() << endl;
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break;
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case MIDI_CHNL_AFTERTOUCH:
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cout << t << ": Channel aftertouch: channel " << ch
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<< " pressure " << j->getData1() << endl;
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break;
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case MIDI_PITCH_BEND:
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cout << t << ": Pitch bend: channel " << ch
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<< " value " << (int)j->getData2() * 128 + (int)j->getData1() << endl; |
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break;
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case MIDI_SYSTEM_EXCLUSIVE:
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cout << t << ": System exclusive: code "
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<< (int)j->getMessageType() << " message length " << |
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j->getMetaMessage().length() << endl; |
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break;
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} |
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} |
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} |
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} |
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