diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/exportmidi.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/exportmidi.cpp | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/muse/exportmidi.cpp b/attic/muse_qt4_evolution/muse/exportmidi.cpp new file mode 100644 index 00000000..f18794ab --- /dev/null +++ b/attic/muse_qt4_evolution/muse/exportmidi.cpp @@ -0,0 +1,376 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2002-2006 by Werner Schweer and others +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License version 2. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +//============================================================================= + +#include "muse.h" +#include "midifile.h" +#include "midi.h" +#include "midictrl.h" +#include "globals.h" +#include "widgets/filedialog.h" +#include "song.h" +#include "midievent.h" +#include "event.h" +#include "midiedit/drummap.h" +#include "gconfig.h" +#include "al/sig.h" +#include "al/tempo.h" +#include "al/marker.h" +#include "part.h" +#include "exportmidi.h" + +//--------------------------------------------------------- +// addController +//--------------------------------------------------------- + +static void addController(MidiEventList* l, int tick, int channel, int a, int b) + { + if (a < 0x1000) { // 7 Bit Controller + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, a, b)); + } + else if (a < 0x20000) { // 14 Bit Controller + int ctrlH = (a >> 8) & 0x7f; + int ctrlL = a & 0x7f; + int dataH = (b >> 7) & 0x7f; + int dataL = b & 0x7f; + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, ctrlH, dataH)); + l->insert(MidiEvent(tick+1, channel, ME_CONTROLLER, ctrlL, dataL)); + } + else if (a < 0x30000) { // RPN 7-Bit Controller + int ctrlH = (a >> 8) & 0x7f; + int ctrlL = a & 0x7f; + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, CTRL_HRPN, ctrlH)); + l->insert(MidiEvent(tick+1, channel, ME_CONTROLLER, CTRL_LRPN, ctrlL)); + l->insert(MidiEvent(tick+2, channel, ME_CONTROLLER, CTRL_HDATA, b)); + } + else if (a < 0x40000) { // NRPN 7-Bit Controller + int ctrlH = (a >> 8) & 0x7f; + int ctrlL = a & 0x7f; + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, CTRL_HNRPN, ctrlH)); + l->insert(MidiEvent(tick+1, channel, ME_CONTROLLER, CTRL_LNRPN, ctrlL)); + l->insert(MidiEvent(tick+2, channel, ME_CONTROLLER, CTRL_HDATA, b)); + } + else if (a == CTRL_PITCH) { + int a = b + 8192; + int b = a >> 7; + l->insert(MidiEvent(tick, channel, ME_PITCHBEND, a & 0x7f, b & 0x7f)); + } + else if (a == CTRL_PROGRAM) { + int hb = (b >> 16) & 0xff; + int lb = (b >> 8) & 0xff; + int pr = b & 0x7f; + int tickoffset = 0; + if (hb != 0xff) { + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, CTRL_HBANK, hb)); + ++tickoffset; + } + if (lb != 0xff) { + l->insert(MidiEvent(tick+tickoffset, channel, ME_CONTROLLER, CTRL_LBANK, lb)); + ++tickoffset; + } + l->insert(MidiEvent(tick+tickoffset, channel, ME_PROGRAM, pr, 0)); + } + else if (a < 0x60000) { // RPN14 Controller + int ctrlH = (a >> 8) & 0x7f; + int ctrlL = a & 0x7f; + int dataH = (b >> 7) & 0x7f; + int dataL = b & 0x7f; + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, CTRL_HRPN, ctrlH)); + l->insert(MidiEvent(tick+1, channel, ME_CONTROLLER, CTRL_LRPN, ctrlL)); + l->insert(MidiEvent(tick+2, channel, ME_CONTROLLER, CTRL_HDATA, dataH)); + l->insert(MidiEvent(tick+3, channel, ME_CONTROLLER, CTRL_LDATA, dataL)); + } + else if (a < 0x70000) { // NRPN14 Controller + int ctrlH = (a >> 8) & 0x7f; + int ctrlL = a & 0x7f; + int dataH = (b >> 7) & 0x7f; + int dataL = b & 0x7f; + l->insert(MidiEvent(tick, channel, ME_CONTROLLER, CTRL_HNRPN, ctrlH)); + l->insert(MidiEvent(tick+1, channel, ME_CONTROLLER, CTRL_LNRPN, ctrlL)); + l->insert(MidiEvent(tick+2, channel, ME_CONTROLLER, CTRL_HDATA, dataH)); + l->insert(MidiEvent(tick+3, channel, ME_CONTROLLER, CTRL_LDATA, dataL)); + } + } + +//--------------------------------------------------------- +// exportMidi +//--------------------------------------------------------- + +void MusE::exportMidi() + { + if (exportMidiDialog == 0) + exportMidiDialog = new ExportMidiDialog(song->projectPath()); + int rv = exportMidiDialog->exec(); + if (rv == 0) + return; + QString name = exportMidiDialog->filename->text(); + QFile fp(name); + if (fp.exists()) { + QString s(QWidget::tr("File\n") + name + QWidget::tr("\nexists")); + int rv = QMessageBox::warning(this, + QWidget::tr("MusE: export midi file:"), + s, + QWidget::tr("Overwrite"), + QWidget::tr("Quit"), QString::null, 0, 1); + if (rv == 1) + return; + } + + MidiFile mf; + int format = exportMidiDialog->smf0->isChecked() ? 0 : 1; + mf.setFormat(format); + + MidiFileTrackList* mtl = new MidiFileTrackList; + + MidiTrackList* mt = song->midis(); + for (iMidiTrack im = mt->begin(); im != mt->end(); ++im) { + MidiTrack* track = *im; + + MidiFileTrack* mft = new MidiFileTrack; + mtl->push_back(mft); + + MidiEventList* l = &(mft->events); + int channel = 0; + channel = track->channelNo(); + + //----------------------------------- + // track name + //----------------------------------- + + if (!track->name().isEmpty()) { + const char* name = track->name().toAscii().data(); + int len = strlen(name); + MidiEvent ev(0, ME_META, (unsigned char*)name, len+1); + ev.setA(0x3); // Meta Sequence/Track Name + l->insert(ev); + } + + //----------------------------------- + // managed controller + //----------------------------------- + + CtrlList* cll = track->controller(); + for (iCtrl ivl = cll->begin(); ivl != cll->end(); ++ivl) { + Ctrl* c = ivl->second; + int id = c->id(); + for (iCtrlVal iv = c->begin(); iv != c->end(); ++iv) { + int tick = iv.key(); + int val = iv.value().i; + addController(l, tick, channel, id, val); + } + } + + //----------------------------------- + // track comment + //----------------------------------- + + if (!track->comment().isEmpty()) { + const char* comment = track->comment().toAscii().data(); + int len = strlen(comment); + MidiEvent ev(0, ME_META, (unsigned char*)comment, len+1); + ev.setA(0xf); // Meta Text + l->insert(ev); + } + PartList* parts = track->parts(); + for (iPart p = parts->begin(); p != parts->end(); ++p) { + Part* part = p->second; + EventList* evlist = part->events(); + for (iEvent i = evlist->begin(); i != evlist->end(); ++i) { + Event ev = i->second; + int tick = ev.tick() + part->tick(); + + switch (ev.type()) { + case Note: + { + if (ev.velo() == 0) { + printf("Warning: midi note has velocity 0, (ignored)\n"); + continue; + } + int pitch = ev.pitch(); + int velo = ev.velo(); + int len = ev.lenTick(); + + //--------------------------------------- + // apply trackinfo values + //--------------------------------------- + + if (track->transposition() + || track->velocity() + || track->compression() != 100 + || track->len() != 100) { + pitch += track->transposition(); + if (pitch > 127) + pitch = 127; + if (pitch < 0) + pitch = 0; + + velo += track->velocity(); + velo = (velo * track->compression()) / 100; + if (velo > 127) + velo = 127; + if (velo < 1) // no off event + velo = 1; + len = (len * track->len()) / 100; + } + if (len <= 0) + len = 1; + l->insert(MidiEvent(tick, channel, ME_NOTEON, pitch, velo)); + l->insert(MidiEvent(tick+len, channel, ME_NOTEON, pitch, 0)); + } + break; + + case Controller: + addController(l, tick, channel, ev.dataA(), ev.dataB()); + break; + + case Sysex: + l->insert(MidiEvent(tick, ME_SYSEX, ev.eventData())); + break; + + case PAfter: + l->insert(MidiEvent(tick, channel, ME_AFTERTOUCH, ev.dataA(), ev.dataB())); + break; + + case CAfter: + l->insert(MidiEvent(tick, channel, ME_POLYAFTER, ev.dataA(), ev.dataB())); + break; + + case Meta: + { + MidiEvent mpev(tick, ME_META, ev.eventData()); + mpev.setA(ev.dataA()); + l->insert(mpev); + } + break; + case Wave: + break; + } + } + } + } + + MidiFileTrack* mft = mtl->front(); + MidiEventList* l = &(mft->events); + + //--------------------------------------------------- + // Write Track Marker + // + AL::MarkerList* ml = song->marker(); + for (AL::ciMarker m = ml->begin(); m != ml->end(); ++m) { + const char* name = m->second.name().toAscii().data(); + int len = strlen(name); + MidiEvent ev(m->first, ME_META, (unsigned char*)name, len); + ev.setA(0x6); + l->insert(ev); + } + + //--------------------------------------------------- + // Write Copyright + // + const char* copyright = config.copyright.toAscii().data(); + if (copyright && *copyright) { + int len = strlen(copyright); + MidiEvent ev(0, ME_META, (unsigned char*)copyright, len); + ev.setA(0x2); + l->insert(ev); + } + + //--------------------------------------------------- + // Write Tempomap + // + AL::TempoList* tl = &AL::tempomap; + for (AL::ciTEvent e = tl->begin(); e != tl->end(); ++e) { + AL::TEvent* event = e->second; + unsigned char data[3]; + int tempo = event->tempo; + data[2] = tempo & 0xff; + data[1] = (tempo >> 8) & 0xff; + data[0] = (tempo >> 16) & 0xff; + MidiEvent ev(event->tick, ME_META, data, 3); + ev.setA(0x51); + l->insert(ev); + } + + //--------------------------------------------------- + // Write Signatures + // + const AL::SigList* sl = &AL::sigmap; + for (AL::ciSigEvent e = sl->begin(); e != sl->end(); ++e) { + AL::SigEvent* event = e->second; + unsigned char data[2]; + data[0] = event->sig.z; + switch(event->sig.n) { + case 1: data[1] = 0; break; + case 2: data[1] = 1; break; + case 4: data[1] = 2; break; + case 8: data[1] = 3; break; + case 16: data[1] = 4; break; + case 32: data[1] = 5; break; + case 64: data[1] = 6; break; + default: + fprintf(stderr, "falsche Signatur; nenner %d\n", event->sig.n); + break; + } + MidiEvent ev(event->tick, ME_META, data, 2); + ev.setA(0x58); + l->insert(ev); + } + + mf.setDivision(config.midiDivision); + mf.setTrackList(mtl); + fp.open(QIODevice::WriteOnly); + mf.write(&fp); + fp.close(); + } + +//--------------------------------------------------------- +// ExportMidiDialog +//--------------------------------------------------------- + +ExportMidiDialog::ExportMidiDialog(const QString& name, QWidget* parent) + : QDialog(parent) + { + setupUi(this); + + smf0->setChecked(config.smfFormat == 0); + smf1->setChecked(config.smfFormat == 1); + QFileInfo fi(name); + QString s(fi.path() + "/" + fi.baseName() + ".mid"); + label->setText(tr("Save ") + fi.baseName() + tr(" as smf midi file")); + filename->setText(s); + connect(fileButton, SIGNAL(clicked()), SLOT(startFileBrowser())); + } + +//--------------------------------------------------------- +// startFileBrowser +//--------------------------------------------------------- + +void ExportMidiDialog::startFileBrowser() + { + QString s = QFileDialog::getSaveFileName( + (QWidget*)this, + tr("MusE: export midi smf file"), + QFileInfo(filename->text()).path(), + QString("Midi Files (*.mid *.kar *.MID)"), + 0, + QFileDialog::DontConfirmOverwrite); + if (!s.isEmpty()) + filename->setText(s); + } + |