int intval;
bool momentary;
MIDIControllable::Encoder encoder = MIDIControllable::No_enc;
+ bool rpn_value = false;
+ bool nrpn_value = false;
+ bool rpn_change = false;
+ bool nrpn_change = false;
if ((prop = node.property (X_("ctl"))) != 0) {
ev = MIDI::controller;
} else if ((prop = node.property (X_("enc-b"))) != 0) {
encoder = MIDIControllable::Enc_B;
ev = MIDI::controller;
+ } else if ((prop = node.property (X_("rpn"))) != 0) {
+ rpn_value = true;
+ } else if ((prop = node.property (X_("nrpn"))) != 0) {
+ nrpn_value = true;
+ } else if ((prop = node.property (X_("rpn-delta"))) != 0) {
+ rpn_change = true;
+ } else if ((prop = node.property (X_("nrpn-delta"))) != 0) {
+ nrpn_change = true;
} else {
return 0;
}
return 0;
}
- mc->set_encoder (encoder);
- mc->bind_midi (channel, ev, detail);
+ if (rpn_value) {
+ mc->bind_rpn_value (channel, detail);
+ } else if (nrpn_value) {
+ mc->bind_nrpn_value (channel, detail);
+ } else if (rpn_change) {
+ mc->bind_rpn_change (channel, detail);
+ } else if (nrpn_change) {
+ mc->bind_nrpn_change (channel, detail);
+ } else {
+ mc->set_encoder (encoder);
+ mc->bind_midi (channel, ev, detail);
+ }
return mc;
}
last_value = 0; // got a better idea ?
last_controllable_value = 0.0f;
control_type = none;
+ control_rpn = -1;
+ control_nrpn = -1;
_control_description = "MIDI Control: none";
control_additional = (MIDI::byte) -1;
feedback = true; // for now
last_value = 0; // got a better idea ?
last_controllable_value = 0.0f;
control_type = none;
+ control_rpn = -1;
+ control_nrpn = -1;
_control_description = "MIDI Control: none";
control_additional = (MIDI::byte) -1;
feedback = true; // for now
MIDIControllable::drop_external_control ()
{
midi_forget ();
+ control_rpn = -1;
+ control_nrpn = -1;
control_type = none;
control_additional = (MIDI::byte) -1;
}
}
}
+void
+MIDIControllable::rpn_value_change (Parser&, uint16_t rpn, float val)
+{
+ if (control_rpn == rpn) {
+ if (controllable) {
+ controllable->set_value (val);
+ }
+ }
+}
+
+void
+MIDIControllable::nrpn_value_change (Parser&, uint16_t nrpn, float val)
+{
+ if (control_nrpn == nrpn) {
+ if (controllable) {
+ controllable->set_value (val);
+ }
+ }
+}
+
+void
+MIDIControllable::rpn_change (Parser&, uint16_t rpn, int dir)
+{
+ if (control_rpn == rpn) {
+ if (controllable) {
+ /* XXX how to increment/decrement ? */
+ // controllable->set_value (val);
+ }
+ }
+}
+
+void
+MIDIControllable::nrpn_change (Parser&, uint16_t nrpn, int dir)
+{
+ if (control_nrpn == nrpn) {
+ if (controllable) {
+ /* XXX how to increment/decrement ? */
+ // controllable->set_value (val);
+ }
+ }
+}
+
+void
+MIDIControllable::bind_rpn_value (channel_t chn, uint16_t rpn)
+{
+ int chn_i = chn;
+ drop_external_control ();
+ control_rpn = rpn;
+ control_channel = chn;
+ _parser.channel_rpn[chn_i].connect_same_thread (midi_sense_connection[0], boost::bind (&MIDIControllable::rpn_value_change, this, _1, _2, _3));
+}
+
+void
+MIDIControllable::bind_nrpn_value (channel_t chn, uint16_t nrpn)
+{
+ int chn_i = chn;
+ drop_external_control ();
+ control_nrpn = nrpn;
+ control_channel = chn;
+ _parser.channel_nrpn[chn_i].connect_same_thread (midi_sense_connection[0], boost::bind (&MIDIControllable::rpn_value_change, this, _1, _2, _3));
+}
+
+void
+MIDIControllable::bind_nrpn_change (channel_t chn, uint16_t nrpn)
+{
+ int chn_i = chn;
+ drop_external_control ();
+ control_nrpn = nrpn;
+ control_channel = chn;
+ _parser.channel_nrpn_change[chn_i].connect_same_thread (midi_sense_connection[0], boost::bind (&MIDIControllable::rpn_change, this, _1, _2, _3));
+}
+
+void
+MIDIControllable::bind_rpn_change (channel_t chn, uint16_t rpn)
+{
+ int chn_i = chn;
+ drop_external_control ();
+ control_rpn = rpn;
+ control_channel = chn;
+ _parser.channel_rpn_change[chn_i].connect_same_thread (midi_sense_connection[0], boost::bind (&MIDIControllable::nrpn_change, this, _1, _2, _3));
+}
+
void
MIDIControllable::bind_midi (channel_t chn, eventType ev, MIDI::byte additional)
{
MIDI::byte*
MIDIControllable::write_feedback (MIDI::byte* buf, int32_t& bufsize, bool /*force*/)
{
- if (!controllable || control_type == none || !feedback || bufsize <= 2) {
+ if (!controllable || !feedback) {
+ return buf;
+ }
+
+ float val = controllable->get_value ();
+
+ /* Note that when sending RPN/NPRN we do two things:
+ *
+ * always send MSB first, then LSB
+ * null/reset the parameter ID after sending.
+ *
+ * this follows recommendations found online, eg. http://www.philrees.co.uk/nrpnq.htm
+ */
+
+ if (control_rpn >= 0) {
+ if (bufsize < 13) {
+ return buf;
+ }
+ int rpn_val = (int) lrintf (val * 16384.0);
+ if (last_value == rpn_val) {
+ return buf;
+ }
+ *buf++ = (0xb0) | control_channel;
+ *buf++ = 0x62;
+ *buf++ = (int) ((control_rpn) >> 7);
+ *buf++ = 0x63;
+ *buf++ = (int) (control_rpn & 0x7f);
+ *buf++ = 0x06;
+ *buf++ = (int) (rpn_val >> 7);
+ *buf++ = 0x26;
+ *buf++ = (int) (rpn_val & 0x7f);
+ *buf++ = 0x62;
+ *buf++ = 0x7f;
+ *buf++ = 0x63;
+ *buf++ = 0x7f;
+ bufsize -= 13;
+ last_value = rpn_val;
+ DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI out: RPN %1 Channel %2 Value %3\n", control_rpn, (int) control_channel, val));
+ return buf;
+ }
+
+ if (control_nrpn >= 0) {
+ int rpn_val = (int) lrintf (val * 16384.0);
+ if (last_value == rpn_val) {
+ return buf;
+ }
+ *buf++ = (0xb0) | control_channel;
+ *buf++ = 0x64;
+ *buf++ = (int) ((control_rpn) >> 7);
+ *buf++ = 0x65;
+ *buf++ = (int) (control_rpn & 0x7f);
+ *buf++ = 0x06;
+ *buf++ = (int) (rpn_val >> 7);
+ *buf++ = 0x26;
+ *buf++ = (int) (rpn_val & 0x7f);
+ *buf++ = 0x64;
+ *buf++ = 0x7f;
+ *buf++ = 0x65;
+ *buf++ = 0x7f;
+ last_value = rpn_val;
+ bufsize -= 13;
+ DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI out: NRPN %1 Channel %2 Value %3\n", control_nrpn, (int) control_channel, val));
+ return buf;
+ }
+
+ if (control_type == none || bufsize <= 2) {
return buf;
}
- int const gm = control_to_midi (controllable->get_value());
+ int const gm = control_to_midi (val);
if (gm == last_value) {
return buf;
int set_state (const XMLNode&, int version);
void bind_midi (MIDI::channel_t, MIDI::eventType, MIDI::byte);
+ void bind_rpn_value (MIDI::channel_t, uint16_t rpn);
+ void bind_nrpn_value (MIDI::channel_t, uint16_t rpn);
+ void bind_rpn_change (MIDI::channel_t, uint16_t rpn);
+ void bind_nrpn_change (MIDI::channel_t, uint16_t rpn);
+
MIDI::channel_t get_control_channel () { return control_channel; }
MIDI::eventType get_control_type () { return control_type; }
MIDI::byte get_control_additional () { return control_additional; }
MIDI::byte control_additional;
MIDI::channel_t control_channel;
std::string _control_description;
+ int16_t control_rpn;
+ int16_t control_nrpn;
bool feedback;
uint32_t _rid;
std::string _what;
void midi_sense_controller (MIDI::Parser &, MIDI::EventTwoBytes *);
void midi_sense_program_change (MIDI::Parser &, MIDI::byte);
void midi_sense_pitchbend (MIDI::Parser &, MIDI::pitchbend_t);
+
+ void nrpn_value_change (MIDI::Parser&, uint16_t nrpn, float val);
+ void rpn_value_change (MIDI::Parser&, uint16_t nrpn, float val);
+ void rpn_change (MIDI::Parser&, uint16_t nrpn, int direction);
+ void nrpn_change (MIDI::Parser&, uint16_t nrpn, int direction);
+
};
#endif // __gm_midicontrollable_h__