diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/midievent.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/midievent.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/muse/midievent.cpp b/attic/muse_qt4_evolution/muse/midievent.cpp new file mode 100644 index 00000000..80fd30a8 --- /dev/null +++ b/attic/muse_qt4_evolution/muse/midievent.cpp @@ -0,0 +1,129 @@ +//============================================================================= +// 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 "midievent.h" + +#include "helper.h" +#include "event.h" +#include "midictrl.h" +#include "muse/midi.h" + +//--------------------------------------------------------- +// MidiEvent +//--------------------------------------------------------- + +MidiEvent::MidiEvent(unsigned t, int tpe, const unsigned char* data, int len) + { + _time = t; + edata.setData(data, len); + _type = tpe; + } + +MidiEvent::MidiEvent(unsigned tick, int channel, const Event& e) + { + setChannel(channel); + setTime(tick); + switch(e.type()) { + case Note: + setType(ME_NOTEON); + setA(e.dataA()); + setB(e.dataB()); + break; + case Controller: + setType(ME_CONTROLLER); + setA(e.dataA()); // controller number + setB(e.dataB()); // controller value + break; + case PAfter: + setType(ME_POLYAFTER); + setA(e.dataA()); + setB(e.dataB()); + break; + case CAfter: + setType(ME_AFTERTOUCH); + setA(e.dataA()); + setB(0); + break; + case Sysex: + setType(ME_SYSEX); + setData(e.eventData()); + break; + default: + printf("MEvent::MEvent(): event type %d not implemented\n", + type()); + break; + } + } + +//--------------------------------------------------------- +// dump +//--------------------------------------------------------- + +void MidiEvent::dump() const + { + printf("chan:%d ", _channel+1); + if (_type == ME_NOTEON) { + QString s = pitch2string(_a); + printf("NoteOn %3s(0x%02x) %3d\n", s.toLatin1().data(), _a, _b); + } + else if (_type == ME_NOTEOFF) { + QString s = pitch2string(_a); + printf("NoteOff %3s(0x%02x) %3d\n", s.toLatin1().data(), _a, _b); + } + else if (_type == ME_SYSEX) { + printf("SysEx len %d ", len()); + int n = len() < 7 ? len() : 7; + unsigned char* p = data(); + for (int i = 0; i < n; ++i) + printf("%02x ", *p++); + printf("\n"); + } + else if (_type == ME_CONTROLLER) + printf("Ctrl %d(0x%02x) %d(0x%02x)\n", _a, _a, _b, _b); + else if (_type == ME_PROGRAM) + printf("Prog %d(0x%02x)\n", _a, _a); + else if (_type == ME_AFTERTOUCH) + printf("Aftertouch %d\n", _a); + else if (_type == ME_PITCHBEND) + printf("PitchBend %d\n", _a); + else + printf("type:0x%02x a=%d(0x%02x) b=%d(0x%02x)\n", _type, _a, _a, _b, _b); + } + +//--------------------------------------------------------- +// operator < +//--------------------------------------------------------- + +bool MidiEvent::operator<(const MidiEvent& e) const + { + if (time() != e.time()) + return time() < e.time(); + + // play note off events first to prevent overlapping + // notes + + if (channel() == e.channel()) + return type() == ME_NOTEOFF + || (type() == ME_NOTEON && dataB() == 0); + + int map[16] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 10, 11, 12, 13, 14, 15 }; + return map[channel()] < map[e.channel()]; + } + |