/*
- Copyright (C) 1998-99 Paul Barton-Davis
+ 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
#define __midichannel_h__
#include <queue>
+#include <map>
-#include <sigc++/sigc++.h>
-
-#include <midi++/types.h>
-#include <midi++/parser.h>
+#include "pbd/signals.h"
+#include "midi++/parser.h"
namespace MIDI {
class Port;
-class Channel : public sigc::trackable {
+/** Stateful MIDI channel class.
+ *
+ * This remembers various useful information about the current 'state' of a
+ * MIDI channel (eg current pitch bend value).
+ */
+class LIBMIDIPP_API Channel : public PBD::ScopedConnectionList {
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]; }
+ Port &midi_port() { return _port; }
+ byte channel() { return _channel_number; }
+ byte program() { return _program_number; }
+ unsigned short bank() { return _bank_number; }
+ byte pressure () { return _chanpress; }
+ byte poly_pressure (byte n) { return _polypress[n]; }
- byte last_note_on () {
+ byte last_note_on () {
return _last_note_on;
}
- byte last_on_velocity () {
+ byte last_on_velocity () {
return _last_on_velocity;
}
- byte last_note_off () {
+ byte last_note_off () {
return _last_note_off;
}
- byte last_off_velocity () {
+ byte last_off_velocity () {
return _last_off_velocity;
}
- pitchbend_t pitchbend () {
- return pitch_bend;
+ pitchbend_t pitchbend () {
+ return _pitch_bend;
}
- controller_value_t controller_value (byte n) {
- return controller_val[n%128];
+ controller_value_t controller_value (byte n) {
+ return _controller_val[n%128];
}
controller_value_t *controller_addr (byte n) {
- return &controller_val[n%128];
+ return &_controller_val[n%128];
}
void set_controller (byte n, byte val) {
- controller_val[n%128] = val;
+ _controller_val[n%128] = val;
}
- int channel_msg (byte id, byte val1, byte val2);
+ controller_value_t rpn_value (uint16_t rpn_id);
+ controller_value_t nrpn_value (uint16_t rpn_id);
- int all_notes_off () {
- return channel_msg (MIDI::controller, 123, 0);
+ bool channel_msg (byte id, byte val1, byte val2, timestamp_t timestamp);
+ bool all_notes_off (timestamp_t timestamp) {
+ return channel_msg (MIDI::controller, 123, 0, timestamp);
}
-
- int control (byte id, byte value) {
- return channel_msg (MIDI::controller, id, value);
+
+ bool control (byte id, byte value, timestamp_t timestamp) {
+ return channel_msg (MIDI::controller, id, value, timestamp);
}
-
- int note_on (byte note, byte velocity) {
- return channel_msg (MIDI::on, note, velocity);
+
+ bool note_on (byte note, byte velocity, timestamp_t timestamp) {
+ return channel_msg (MIDI::on, note, velocity, timestamp);
}
-
- int note_off (byte note, byte velocity) {
- return channel_msg (MIDI::off, note, velocity);
+
+ bool note_off (byte note, byte velocity, timestamp_t timestamp) {
+ return channel_msg (MIDI::off, note, velocity, timestamp);
}
-
- int aftertouch (byte value) {
- return channel_msg (MIDI::chanpress, value, 0);
+
+ bool aftertouch (byte value, timestamp_t timestamp) {
+ return channel_msg (MIDI::chanpress, value, 0, timestamp);
}
- int poly_aftertouch (byte note, byte value) {
- return channel_msg (MIDI::polypress, note, value);
+ bool poly_aftertouch (byte note, byte value, timestamp_t timestamp) {
+ return channel_msg (MIDI::polypress, note, value, timestamp);
}
- int program_change (byte value) {
- return channel_msg (MIDI::program, value, 0);
+ bool program_change (byte value, timestamp_t timestamp) {
+ return channel_msg (MIDI::program, value, 0, timestamp);
}
- int pitchbend (byte msb, byte lsb) {
- return channel_msg (MIDI::pitchbend, lsb, msb);
+ bool pitchbend (byte msb, byte lsb, timestamp_t timestamp) {
+ return channel_msg (MIDI::pitchbend, lsb, msb, timestamp);
}
+ float rpn_value (uint16_t rpn) const;
+ float nrpn_value (uint16_t nrpn) const;
+ float rpn_value_absolute (uint16_t rpn) const;
+ float nrpn_value_absolute (uint16_t nrpn) const;
+
protected:
friend class Port;
- void connect_input_signals ();
- void connect_output_signals ();
+ void connect_signals ();
private:
- Port &port;
+ Port& _port;
+
+ enum RPNState {
+ HaveLSB = 0x1,
+ HaveMSB = 0x2,
+ HaveValue = 0x4
+ };
/* Current channel values */
+ byte _channel_number;
+ unsigned short _bank_number;
+ byte _program_number;
+ byte _rpn_msb;
+ byte _rpn_lsb;
+ byte _rpn_val_msb;
+ byte _rpn_val_lsb;
+ byte _nrpn_msb;
+ byte _nrpn_lsb;
+ byte _nrpn_val_lsb;
+ byte _nrpn_val_msb;
+ RPNState _rpn_state;
+ RPNState _nrpn_state;
+ 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;
+
+ typedef std::map<uint16_t,float> RPNList;
+
+ RPNList rpns;
+ RPNList nrpns;
+
+ void reset (timestamp_t timestamp, framecnt_t nframes, bool notes_off = true);
- 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_chanpress (Parser &, byte);
void process_pitchbend (Parser &, pitchbend_t);
void process_reset (Parser &);
+ bool maybe_process_rpns (Parser&, EventTwoBytes *);
+
+ void rpn_reset ();
+ void nrpn_reset ();
+
+ static const RPNState RPN_READY_FOR_VALUE;
+ static const RPNState RPN_VALUE_READY;
+
};
} // namespace MIDI
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