bool LOS::importMidi(const QString name, bool merge)/*{{{*/
{
bool popenFlag;
FILE* fp = fileOpen(this, name, QString(".mid"), "r", popenFlag);
if (fp == 0)
return true;
MidiFile mf(fp);
bool rv = mf.read();
popenFlag ? pclose(fp) : fclose(fp);
if (rv)
{
QString s(tr("reading midifile\n "));
s += name;
s += tr("\nfailed: ");
s += mf.error();
QMessageBox::critical(this, QString("LOS"), s);
return rv;
}
//
// evaluate song Type (GM, XG, GS, unknown)
//
MidiType t = song->midiType();
if (!merge)
{
t = mf.midiType();
song->setMidiType(t);
}
MidiInstrument* instr = 0;
for (iMidiInstrument i = midiInstruments.begin(); i != midiInstruments.end(); ++i)
{
MidiInstrument* mi = *i;
if ((mi->iname() == "GM" && ((t == MIDI_TYPE_NULL) || (t == MIDI_TYPE_GM))) ||
(mi->iname() == "GS" && t == MIDI_TYPE_GS) ||
(mi->iname() == "XG" && t == MIDI_TYPE_XG))
{
instr = mi;
break;
}
}
if (instr == 0)
{
// the standard instrument files (GM, GS, XG) must be present
printf("no instrument, type %d\n", t);
return true;
//abort();
}
MidiFileTrackList* etl = mf.trackList();
int division = mf.division();
//
// create MidiTrack and copy events to ->events()
// - combine note on/off events
// - calculate tick value for internal resolution
//
int mPort = getFreeMidiPort();
for (iMidiFileTrack t = etl->begin(); t != etl->end(); ++t)
{
MPEventList* el = &((*t)->events);
if (el->empty())
continue;
//
// if we split the track, SYSEX and META events go into
// the first target track
bool first = true;
QList<QPair<int, int> > portChannelList;
iMPEvent i;
for(i = el->begin(); i != el->end(); i++)
{
if (i->type() != ME_SYSEX && i->type() != ME_META)
{
int chan = i->channel();
int port = i->port();
if(portChannelList.isEmpty() || !portChannelList.contains(qMakePair(chan, port)))
{
portChannelList.append(qMakePair(chan, port));
MidiTrack* track = new MidiTrack();
track->setDefaultName();
track->setMasterFlag(true);
if(config.partColorNames[lastTrackPartColorIndex].contains("menu:", Qt::CaseSensitive))
lastTrackPartColorIndex ++;
track->setDefaultPartColor(lastTrackPartColorIndex);
lastTrackPartColorIndex ++;
if(lastTrackPartColorIndex == NUM_PARTCOLORS)
lastTrackPartColorIndex = 1;
//Set track channel so buildMidiEventList can match the event to a channel
track->setOutChannel(chan);
track->setOutPort(mPort);
MidiPort* mport = &midiPorts[track->outPort()];
// this overwrites any instrument set for this port:
mport->setInstrument(instr);
EventList* mel = track->events();
buildMidiEventList(mel, el, track, division, first, false, false);
first = false;
processTrack(track);
//Update track to channel 1
//99% of all midi we import will be alien to our setup anyway,
//so I'm making it easy for the user to just set the Instrument and go
track->setOutChannel(0);
song->insertTrack(track, -1);
mPort++;
//FIXME: Provice a non-iterative way to do this using the new losMidiPorts hash
//Or maintain a list of configured or inuse ports
while((&midiPorts[mPort])->device() && mPort < kMaxMidiPorts)
mPort++;//Just incase we have a configured port after an empty one
}
}
}
if (first)
{
//
// track does only contain non-channel messages
// (SYSEX or META)
//
MidiTrack* track = new MidiTrack();
track->setDefaultName();
track->setMasterFlag(true);
track->setOutChannel(0);
track->setOutPort(mPort);
if(config.partColorNames[lastTrackPartColorIndex].contains("menu:", Qt::CaseSensitive))
lastTrackPartColorIndex ++;
track->setDefaultPartColor(lastTrackPartColorIndex);
lastTrackPartColorIndex ++;
if(lastTrackPartColorIndex == NUM_PARTCOLORS)
lastTrackPartColorIndex = 1;
EventList* mel = track->events();
// Do SysexMeta. Don't do loops.
// TODO: Properly support sysex dumps
buildMidiEventList(mel, el, track, division, true, false, false);
processTrack(track);
song->insertTrack(track, -1);
mPort++;
while((&midiPorts[mPort])->device() && mPort < kMaxMidiPorts)
mPort++;
}
}
if (!merge)
{
MidiTrackList* tl = song->tracks();
if (!tl->empty())
{
MidiTrack* track = tl->front();
track->setSelected(true);
}
song->initLen();
int z, n;
sigmap.timesig(0, z, n);
int tempo = tempomap.tempo(0);
transport->setTimesig(z, n);
transport->setTempo(tempo);
bool masterF = !tempomap.empty();
song->setMasterFlag(masterF);
transport->setMasterFlag(masterF);
song->updatePos();
composer->reset();
}
else
{
song->initLen();
}
return false;
}/*}}}*/
