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//=========================================================
// MusE
// Linux Music Editor
// $Id: mpevent.h,v 1.8.2.5 2009/11/25 09:09:43 terminator356 Exp $
//
// (C) Copyright 1999-2002 Werner Schweer (ws@seh.de)
// (C) Copyright 2012 Tim E. Real (terminator356 on users dot sourceforge dot net)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; version 2 of
// the License, or (at your option) any later version.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef __MPEVENT_H__
#define __MPEVENT_H__
#include <set>
#include <list>
#include "evdata.h"
#include "memory.h"
// Play events ring buffer size
#define MIDI_FIFO_SIZE 4096
// Record events ring buffer size
#define MIDI_REC_FIFO_SIZE 256
namespace MusECore {
class Event;
class EvData;
//---------------------------------------------------------
// MEvent
// baseclass for MidiPlayEvent and MidiRecordEvent
//---------------------------------------------------------
//---------------------------------------------------------
// MEvent
//---------------------------------------------------------
class MEvent {
unsigned _time;
EvData edata;
unsigned char _port, _channel, _type;
int _a, _b;
int _loopNum; // The loop count when the note was recorded.
public:
MEvent() { _loopNum = 0; }
MEvent(unsigned tm, int p, int c, int t, int a, int b)
: _time(tm), _port(p), _channel(c & 0xf), _type(t), _a(a), _b(b) { _loopNum = 0; }
MEvent(unsigned t, int p, int type, const unsigned char* data, int len);
MEvent(unsigned t, int p, int tpe, EvData d) : _time(t), edata(d), _port(p), _type(tpe) { _loopNum = 0; }
MEvent(unsigned t, int port, int channel, const Event& e);
~MEvent() {}
MEvent& operator=(const MEvent& ed) {
_time = ed._time;
edata = ed.edata;
_port = ed._port;
_channel = ed._channel;
_type = ed._type;
_a = ed._a;
_b = ed._b;
_loopNum = ed._loopNum;
return *this;
}
int sortingWeight() const;
int port() const { return _port; }
int channel() const { return _channel; }
int type() const { return _type; }
int dataA() const { return _a; }
int dataB() const { return _b; }
unsigned time() const { return _time; }
int loopNum() const { return _loopNum; }
void setPort(int val) { _port = val; }
void setChannel(int val) { _channel = val; }
void setType(int val) { _type = val; }
void setA(int val) { _a = val; }
void setB(int val) { _b = val; }
void setTime(unsigned val) { _time = val; }
void setLoopNum(int n) { _loopNum = n; }
const EvData& eventData() const { return edata; }
unsigned char* data() const { return edata.data; }
int len() const { return edata.dataLen; }
void setData(const EvData& e) { edata = e; }
void setData(const unsigned char* p, int len) { edata.setData(p, len); }
void dump() const;
bool isNote() const { return _type == 0x90; }
bool isNoteOff() const { return (_type == 0x80)||(_type == 0x90 && _b == 0); }
bool operator<(const MEvent&) const;
};
//---------------------------------------------------------
// MidiRecordEvent
// allocated and deleted in midiseq thread context
//---------------------------------------------------------
class MidiRecordEvent : public MEvent {
private:
unsigned int _tick; // To store tick when external sync is on, required besides frame.
public:
MidiRecordEvent() : MEvent() {}
MidiRecordEvent(const MEvent& e) : MEvent(e) {}
MidiRecordEvent(unsigned tm, int p, int c, int t, int a, int b)
: MEvent(tm, p, c, t, a, b) {}
MidiRecordEvent(unsigned t, int p, int tpe, const unsigned char* data, int len)
: MEvent(t, p, tpe, data, len) {}
MidiRecordEvent(unsigned t, int p, int type, EvData data)
: MEvent(t, p, type, data) {}
~MidiRecordEvent() {}
unsigned int tick() {return _tick;}
void setTick(unsigned int tick) {_tick = tick;}
};
//---------------------------------------------------------
// MidiPlayEvent
// allocated and deleted in audio thread context
//---------------------------------------------------------
class MidiPlayEvent : public MEvent {
public:
MidiPlayEvent() : MEvent() {}
MidiPlayEvent(const MEvent& e) : MEvent(e) {}
MidiPlayEvent(unsigned tm, int p, int c, int t, int a, int b)
: MEvent(tm, p, c, t, a, b) {}
MidiPlayEvent(unsigned t, int p, int type, const unsigned char* data, int len)
: MEvent(t, p, type, data, len) {}
MidiPlayEvent(unsigned t, int p, int type, EvData data)
: MEvent(t, p, type, data) {}
MidiPlayEvent(unsigned t, int port, int channel, const Event& e)
: MEvent(t, port, channel, e) {}
~MidiPlayEvent() {}
};
//---------------------------------------------------------
// MPEventList
// memory allocation in audio thread domain
//---------------------------------------------------------
typedef std::multiset<MidiPlayEvent, std::less<MidiPlayEvent>, audioRTalloc<MidiPlayEvent> > MPEL;
struct MPEventList : public MPEL {
void add(const MidiPlayEvent& ev) { MPEL::insert(ev); }
};
typedef MPEventList::iterator iMPEvent;
typedef MPEventList::const_iterator ciMPEvent;
/* DELETETHIS 20 ??
//---------------------------------------------------------
// MREventList
// memory allocation in midi thread domain
//---------------------------------------------------------
// Changed by Tim. p3.3.8
// audioRTalloc? Surely this must have been a mistake?
//typedef std::list<MidiRecordEvent, audioRTalloc<MidiRecordEvent> > MREL;
typedef std::list<MidiRecordEvent, midiRTalloc<MidiRecordEvent> > MREL;
struct MREventList : public MREL {
void add(const MidiRecordEvent& ev) { MREL::push_back(ev); }
};
typedef MREventList::iterator iMREvent;
typedef MREventList::const_iterator ciMREvent;
*/
//---------------------------------------------------------
// MidiFifo
//---------------------------------------------------------
class MidiFifo {
MidiPlayEvent fifo[MIDI_FIFO_SIZE];
volatile int size;
int wIndex;
int rIndex;
public:
MidiFifo() { clear(); }
bool put(const MidiPlayEvent& event); // returns true on fifo overflow
MidiPlayEvent get();
const MidiPlayEvent& peek(int = 0);
void remove();
bool isEmpty() const { return size == 0; }
void clear() { size = 0, wIndex = 0, rIndex = 0; }
int getSize() const { return size; }
};
//---------------------------------------------------------
// MidiRecFifo
//---------------------------------------------------------
class MidiRecFifo {
MidiRecordEvent fifo[MIDI_REC_FIFO_SIZE];
volatile int size;
int wIndex;
int rIndex;
public:
MidiRecFifo() { clear(); }
bool put(const MidiRecordEvent& event); // returns true on fifo overflow
MidiRecordEvent get();
const MidiRecordEvent& peek(int = 0);
void remove();
bool isEmpty() const { return size == 0; }
void clear() { size = 0, wIndex = 0, rIndex = 0; }
int getSize() const { return size; }
};
} // namespace MusECore
#endif
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