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/*
Copyright (C) 1998-99 Paul Barton-Davis
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; either 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __midichannel_h__
#define __midichannel_h__
#include <queue>
#include <sigc++/sigc++.h>
#include <midi++/types.h>
#include <midi++/parser.h>
namespace MIDI {
class Port;
class Channel : public sigc::trackable {
public:
Channel (byte channel_number, Port &);
Port &midi_port() { return port; }
byte channel() { return channel_number; }
byte program() { return program_number; }
byte bank() { return bank_number; }
byte pressure () { return chanpress; }
byte poly_pressure (byte n) { return polypress[n]; }
byte last_note_on () {
return _last_note_on;
}
byte last_on_velocity () {
return _last_on_velocity;
}
byte last_note_off () {
return _last_note_off;
}
byte last_off_velocity () {
return _last_off_velocity;
}
pitchbend_t pitchbend () {
return pitch_bend;
}
controller_value_t controller_value (byte n) {
return controller_val[n%128];
}
controller_value_t *controller_addr (byte n) {
return &controller_val[n%128];
}
void set_controller (byte n, byte val) {
controller_val[n%128] = val;
}
int channel_msg (byte id, byte val1, byte val2);
int all_notes_off () {
return channel_msg (MIDI::controller, 123, 0);
}
int control (byte id, byte value) {
return channel_msg (MIDI::controller, id, value);
}
int note_on (byte note, byte velocity) {
return channel_msg (MIDI::on, note, velocity);
}
int note_off (byte note, byte velocity) {
return channel_msg (MIDI::off, note, velocity);
}
int aftertouch (byte value) {
return channel_msg (MIDI::chanpress, value, 0);
}
int poly_aftertouch (byte note, byte value) {
return channel_msg (MIDI::polypress, note, value);
}
int program_change (byte value) {
return channel_msg (MIDI::program, value, 0);
}
int pitchbend (byte msb, byte lsb) {
return channel_msg (MIDI::pitchbend, lsb, msb);
}
protected:
friend class Port;
void connect_input_signals ();
void connect_output_signals ();
private:
Port &port;
/* Current channel values */
byte channel_number;
byte bank_number;
byte program_number;
byte rpn_msb;
byte rpn_lsb;
byte nrpn_msb;
byte nrpn_lsb;
byte chanpress;
byte polypress[128];
bool controller_14bit[128];
controller_value_t controller_val[128];
byte controller_msb[128];
byte controller_lsb[128];
byte _last_note_on;
byte _last_on_velocity;
byte _last_note_off;
byte _last_off_velocity;
pitchbend_t pitch_bend;
bool _omni;
bool _poly;
bool _mono;
size_t _notes_on;
void reset (bool notes_off = true);
void process_note_off (Parser &, EventTwoBytes *);
void process_note_on (Parser &, EventTwoBytes *);
void process_controller (Parser &, EventTwoBytes *);
void process_polypress (Parser &, EventTwoBytes *);
void process_program_change (Parser &, byte);
void process_chanpress (Parser &, byte);
void process_pitchbend (Parser &, pitchbend_t);
void process_reset (Parser &);
};
} // namespace MIDI
#endif // __midichannel_h__
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