diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/midisynti.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/midisynti.cpp | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/muse/midisynti.cpp b/attic/muse_qt4_evolution/muse/midisynti.cpp new file mode 100644 index 00000000..b53693af --- /dev/null +++ b/attic/muse_qt4_evolution/muse/midisynti.cpp @@ -0,0 +1,225 @@ +//============================================================================= +// 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 "song.h" +#include "midi.h" +#include "midisynti.h" +#include "midiplugin.h" +#include "midiplugins/libmidiplugin/mempi.h" +#include "al/tempo.h" + +//--------------------------------------------------------- +// MidiSynti +//--------------------------------------------------------- + +MidiSynti::MidiSynti() + : MidiTrackBase() + { + _synti = 0; + init(); + } + +MidiSynti::~MidiSynti() + { + } + +//--------------------------------------------------------- +// init +//--------------------------------------------------------- + +void MidiSynti::init() + { + } + +//--------------------------------------------------------- +// hasGui +//--------------------------------------------------------- + +bool MidiSynti::hasGui() const + { + return _synti->hasGui(); + } + +//--------------------------------------------------------- +// hasGui +//--------------------------------------------------------- + +void MidiSynti::showGui(bool val) + { + return _synti->showGui(val); + } + +//--------------------------------------------------------- +// guiVisible +//--------------------------------------------------------- + +bool MidiSynti::guiVisible() const + { + return _synti->guiVisible(); + } + +//--------------------------------------------------------- +// initInstance +// return true on error +//--------------------------------------------------------- + +bool MidiSynti::initInstance(MidiPlugin* plugin) + { + _synti = plugin->instantiate(this); + return _synti == 0; + } + +//--------------------------------------------------------- +// MidiSynti::write +//--------------------------------------------------------- + +void MidiSynti::write(Xml& xml) const + { + xml.stag("MidiSynti"); + MidiTrackBase::writeProperties(xml); + xml.tag("class", _synti->plugin()->name()); + if (_synti->hasGui()) { + xml.tag("guiVisible", _synti->guiVisible()); + int x, y, w, h; + w = 0; + h = 0; + _synti->getGeometry(&x, &y, &w, &h); + if (h || w) + xml.tag("geometry", QRect(x, y, w, h)); + } + //--------------------------------------------- + // dump current state of plugin + //--------------------------------------------- + + int len = 0; + const unsigned char* p; + _synti->getInitData(&len, &p); + if (len) { + xml.stag(QString("init len=\"%1\"").arg(len)); + xml.dump(len, p); + xml.etag("init"); + } + xml.etag("MidiSynti"); + } + +//--------------------------------------------------------- +// MidiSynti::read +//--------------------------------------------------------- + +void MidiSynti::read(QDomNode node) + { + bool startGui = false; + QRect r; + QString sclass; + unsigned char* data = 0; + int len = 0; + for (; !node.isNull(); node = node.nextSibling()) { + QDomElement e = node.toElement(); + QString tag(e.tagName()); + if (tag == "class") + sclass = e.text(); + else if (tag == "guiVisible") + startGui = e.text().toInt(); + else if (tag == "geometry") + r = AL::readGeometry(node); + else if (tag == "init") { + len = e.attribute("len", "0").toInt(); + if (len) { + QStringList l = e.text().simplified().split(" ", QString::SkipEmptyParts); + if (len != l.size()) { + printf("error converting init string <%s>\n", e.text().toLatin1().data()); + } + data = new unsigned char[len]; + unsigned char* d = data; + int numberBase = 16; + for (int i = 0; i < l.size(); ++i) { + bool ok; + *d++ = l.at(i).toInt(&ok, numberBase); + if (!ok) + printf("error converting init val <%s>\n", l.at(i).toLatin1().data()); + } + } + } + else if (MidiTrackBase::readProperties(node)) + printf("MusE:MidiSynti: unknown tag %s\n", node.toElement().tagName().toLatin1().data()); + } + iMidiPlugin i; + for (i = midiPlugins.begin(); i != midiPlugins.end(); ++i) { + if ((*i)->type() != MEMPI_GENERATOR) + continue; + if ((*i)->name() == sclass) + break; + } + if (i == midiPlugins.end()) { + fprintf(stderr, "MidiSynti::read: midi plugin not found\n"); + return; + } + MidiPlugin* mp = *i; + if (initInstance(mp)) { + fprintf(stderr, "MidiSynti::read: instantiate failed\n"); + return; + } + if (data) { + _synti->setInitData(len, data); + delete[] data; + } + song->insertTrack0(this, -1); + _synti->showGui(startGui); + _synti->setGeometry(r.x(), r.y(), r.width(), r.height()); + } + +//--------------------------------------------------------- +// getEvents +//--------------------------------------------------------- + +void MidiSynti::getEvents(unsigned from, unsigned to, int, MidiEventList* dst) + { + MidiEventList il; + foreach(const Route& r, *inRoutes()) { + MidiTrackBase* track = (MidiTrackBase*)r.src.track; + if (track->isMute()) + continue; + track->getEvents(from, to, r.src.channel, &il); + } + MidiEventList ol; + _synti->apply(from, to, &il, &ol); + for (iMidiEvent i = ol.begin(); i != ol.end(); ++i) { + MidiEvent ev(*i); + if (ev.type() == ME_NOTEON) { + _meter[0] += ev.dataB()/2; + if (_meter[0] > 127.0f) + _meter[0] = 127.0f; + } + // convert tick-time to sample-time + ev.setTime(AL::tempomap.tick2frame(ev.time())); + dst->insert(ev); + } + } + +bool MidiSynti::isMute() const + { + if (_solo) + return false; + if (song->solo()) + return true; + return _mute; + } + + |