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//=========================================================
// MusE
// Linux Music Editor
// $Id: mpevent.cpp,v 1.6.2.2 2009/11/25 09:09:43 terminator356 Exp $
//
// (C) Copyright 2002-2004 Werner Schweer (ws@seh.de)
//=========================================================
#include "mpevent.h"
#include "helper.h"
#include "event.h"
#include "midictrl.h"
#include "midiport.h"
#include "muse/midi.h"
//---------------------------------------------------------
// MEvent
//---------------------------------------------------------
MEvent::MEvent(unsigned t, int port, int tpe, const unsigned char* data, int len)
{
_time = t;
_port = port;
edata.setData(data, len);
_type = tpe;
_loopNum = 0;
}
MEvent::MEvent(unsigned tick, int port, int channel, const Event& e)
{
setChannel(channel);
setTime(tick);
setPort(port);
setLoopNum(0);
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 MEvent::dump() const
{
printf("time:%d port:%d chan:%d ", _time, _port, _channel+1);
if (_type == 0x90) { // NoteOn
QString s = pitch2string(_a);
printf("NoteOn %s(0x%x) %d\n", s.toLatin1().constData(), _a, _b);
}
else if (_type == 0xf0) {
printf("SysEx len %d 0x%0x ...\n", len(), data()[0]);
}
else
printf("type:0x%02x a=%d b=%d\n", _type, _a, _b);
}
//---------------------------------------------------------
// operator <
//---------------------------------------------------------
bool MEvent::operator<(const MEvent& e) const
{
if (time() != e.time())
return time() < e.time();
if (port() != e.port())
return port() < e.port();
// 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()];
}
//---------------------------------------------------------
// put
// return true on fifo overflow
//---------------------------------------------------------
bool MidiFifo::put(const MidiPlayEvent& event)
{
if (size < MIDI_FIFO_SIZE) {
fifo[wIndex] = event;
wIndex = (wIndex + 1) % MIDI_FIFO_SIZE;
// q_atomic_increment(&size);
++size;
return false;
}
return true;
}
//---------------------------------------------------------
// get
//---------------------------------------------------------
MidiPlayEvent MidiFifo::get()
{
MidiPlayEvent event(fifo[rIndex]);
rIndex = (rIndex + 1) % MIDI_FIFO_SIZE;
// q_atomic_decrement(&size);
--size;
return event;
}
//---------------------------------------------------------
// peek
//---------------------------------------------------------
const MidiPlayEvent& MidiFifo::peek(int n)
{
int idx = (rIndex + n) % MIDI_FIFO_SIZE;
return fifo[idx];
}
//---------------------------------------------------------
// remove
//---------------------------------------------------------
void MidiFifo::remove()
{
rIndex = (rIndex + 1) % MIDI_FIFO_SIZE;
// q_atomic_decrement(&size);
--size;
}
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