#include <iostream>
#include "pbd/error.h"
-#include "pbd/controllable_descriptor.h"
#include "pbd/xml++.h"
#include "pbd/stacktrace.h"
#include "pbd/compose.h"
#include "ardour/async_midi_port.h"
#include "ardour/automation_control.h"
+#include "ardour/controllable_descriptor.h"
#include "ardour/midi_ui.h"
#include "ardour/utils.h"
#include "ardour/debug.h"
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
, _momentary (m)
{
set_controllable (&c);
-
+
_learned = true; /* from controllable */
_encoder = No_enc;
setting = false;
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;
}
if (c == controllable) {
return;
}
-
+
controllable_death_connection.disconnect ();
controllable = c;
if (controllable) {
controllable->Destroyed.connect (controllable_death_connection, MISSING_INVALIDATOR,
- boost::bind (&MIDIControllable::drop_controllable, this),
+ boost::bind (&MIDIControllable::drop_controllable, this, _1),
MidiControlUI::instance());
}
}
float
MIDIControllable::midi_to_control (int val)
{
- /* fiddle with MIDI value so that we get an odd number of integer steps
- and can thus represent "middle" precisely as 0.5. this maps to
- the range 0..+1.0 (0 to 126)
- */
+ /* fiddle with MIDI value so that we get an odd number of integer steps
+ and can thus represent "middle" precisely as 0.5. this maps to
+ the range 0..+1.0 (0 to 126)
+ */
- float fv = (val == 0 ? 0 : float (val - 1) / (max_value_for_type() - 1));
+ float fv = (val == 0 ? 0 : float (val - 1) / (max_value_for_type() - 1));
- if (controllable->is_gain_like()) {
- return slider_position_to_gain (fv);
- }
+ if (controllable->is_gain_like()) {
+ return controllable->interface_to_internal (fv);
+ }
+ DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Raw value %1 float %2\n", val, fv));
float control_min = controllable->lower ();
float control_max = controllable->upper ();
float control_range = control_max - control_min;
+ DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Min %1 Max %2 Range %3\n", control_min, control_max, control_range));
AutomationControl *actl = dynamic_cast<AutomationControl*> (controllable);
if (actl) {
}
void
-MIDIControllable::drop_controllable ()
+MIDIControllable::drop_controllable (Controllable* c)
{
- set_controllable (0);
+ if (c == controllable) {
+ set_controllable (0);
+ }
}
void
MIDIControllable::midi_sense_note (Parser &, EventTwoBytes *msg, bool /*is_on*/)
{
- if (!controllable) {
+ if (!controllable) {
if (lookup_controllable()) {
return;
}
if (!controllable->is_toggle()) {
if (control_additional == msg->note_number) {
- controllable->set_value (midi_to_control (msg->velocity));
+ controllable->set_value (midi_to_control (msg->velocity), Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Note %1 value %2 %3\n", (int) msg->note_number, (float) midi_to_control (msg->velocity), current_uri() ));
}
} else {
if (control_additional == msg->note_number) {
float new_value = controllable->get_value() > 0.5f ? 0.0f : 1.0f;
- controllable->set_value (new_value);
+ controllable->set_value (new_value, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Note %1 Value %2 %3\n", (int) msg->note_number, (float) new_value, current_uri()));
}
}
void
MIDIControllable::midi_sense_controller (Parser &, EventTwoBytes *msg)
{
- if (!controllable) {
+ if (!controllable) {
if (lookup_controllable ()) {
return;
}
*/
if (in_sync || _surface->motorised ()) {
- controllable->set_value (midi_to_control (new_value));
+ controllable->set_value (midi_to_control (new_value), Controllable::NoGroup);
}
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI CC %1 value %2 %3\n", (int) msg->controller_number, (float) midi_to_control(new_value), current_uri() ));
switch (get_encoder()) {
case Enc_L:
if (msg->value > 0x40) {
- controllable->set_value (midi_to_control (last_value - offset + 1));
+ controllable->set_value (midi_to_control (last_value - offset + 1), Controllable::NoGroup);
} else {
- controllable->set_value (midi_to_control (last_value + offset + 1));
+ controllable->set_value (midi_to_control (last_value + offset + 1), Controllable::NoGroup);
}
break;
case Enc_R:
if (msg->value > 0x40) {
- controllable->set_value (midi_to_control (last_value + offset + 1));
+ controllable->set_value (midi_to_control (last_value + offset + 1), Controllable::NoGroup);
} else {
- controllable->set_value (midi_to_control (last_value - offset + 1));
+ controllable->set_value (midi_to_control (last_value - offset + 1), Controllable::NoGroup);
}
break;
case Enc_2:
if (msg->value > 0x40) {
- controllable->set_value (midi_to_control (last_value - (0x7f - msg->value) + 1));
+ controllable->set_value (midi_to_control (last_value - (0x7f - msg->value) + 1), Controllable::NoGroup);
} else {
- controllable->set_value (midi_to_control (last_value + offset + 1));
+ controllable->set_value (midi_to_control (last_value + offset + 1), Controllable::NoGroup);
}
break;
case Enc_B:
if (msg->value > 0x40) {
- controllable->set_value (midi_to_control (last_value + offset + 1));
+ controllable->set_value (midi_to_control (last_value + offset + 1), Controllable::NoGroup);
} else {
- controllable->set_value (midi_to_control (last_value - (0x40 - offset)));
+ controllable->set_value (midi_to_control (last_value - (0x40 - offset)), Controllable::NoGroup);
}
break;
default:
break;
-
}
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI CC %1 value %2 %3\n", (int) msg->controller_number, (int) last_value, current_uri() ));
}
} else {
- if (msg->value > 64.0f) {
- controllable->set_value (1);
+
+ /* toggle control: make the toggle flip only if the
+ * incoming control value exceeds 0.5 (0x40), so that
+ * the typical button which sends "CC N=0x7f" on press
+ * and "CC N=0x0" on release can be used to drive
+ * toggles on press.
+ *
+ * No other arrangement really makes sense for a toggle
+ * controllable. Acting on the press+release makes the
+ * action momentary, which is almost never
+ * desirable. If the physical button only sends a
+ * message on press (or release), then it will be
+ * expected to send a controller value >= 0.5
+ * (0x40). It is hard to imagine why anyone would make
+ * a MIDI controller button that sent 0x0 when pressed.
+ */
+
+ if (msg->value >= 0x40) {
+ controllable->set_value (controllable->get_value() >= 0.5 ? 0.0 : 1.0, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Midi CC %1 value 1 %2\n", (int) msg->controller_number, current_uri()));
- } else {
- controllable->set_value (0);
- DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Midi CC %1 value 0 %2\n", (int) msg->controller_number, current_uri()));
}
}
void
MIDIControllable::midi_sense_program_change (Parser &, MIDI::byte msg)
{
- if (!controllable) {
+ if (!controllable) {
if (lookup_controllable ()) {
return;
}
if (msg == control_additional) {
if (!controllable->is_toggle()) {
- controllable->set_value (1.0);
+ controllable->set_value (1.0, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI program %1 value 1.0 %3\n", (int) msg, current_uri() ));
} else {
float new_value = controllable->get_value() > 0.5f ? 0.0f : 1.0f;
- controllable->set_value (new_value);
+ controllable->set_value (new_value, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI program %1 value %2 %3\n", (int) msg, (float) new_value, current_uri()));
}
}
void
MIDIControllable::midi_sense_pitchbend (Parser &, pitchbend_t pb)
{
- if (!controllable) {
+ if (!controllable) {
if (lookup_controllable ()) {
return;
}
}
if (!controllable->is_toggle()) {
- controllable->set_value (midi_to_control (pb));
+ controllable->set_value (midi_to_control (pb), Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("MIDI pitchbend %1 value %2 %3\n", (int) control_channel, (float) midi_to_control (pb), current_uri() ));
} else {
if (pb > 8065.0f) {
- controllable->set_value (1);
+ controllable->set_value (1, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Midi pitchbend %1 value 1 %2\n", (int) control_channel, current_uri()));
} else {
- controllable->set_value (0);
+ controllable->set_value (0, Controllable::NoGroup);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Midi pitchbend %1 value 0 %2\n", (int) control_channel, current_uri()));
}
}
}
}
+void
+MIDIControllable::rpn_value_change (Parser&, uint16_t rpn, float val)
+{
+ if (control_rpn == rpn) {
+ if (controllable) {
+ controllable->set_value (val, Controllable::NoGroup);
+ }
+ }
+}
+
+void
+MIDIControllable::nrpn_value_change (Parser&, uint16_t nrpn, float val)
+{
+ if (control_nrpn == nrpn) {
+ if (controllable) {
+ controllable->set_value (val, Controllable::NoGroup);
+ }
+ }
+}
+
+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)
{
if (_momentary) {
_parser.channel_note_on[chn_i].connect_same_thread (midi_sense_connection[1], boost::bind (&MIDIControllable::midi_sense_note_on, this, _1, _2));
- }
+ }
_control_description = "MIDI control: NoteOff";
break;
}
_control_description = "MIDI control: NoteOn";
break;
-
+
case MIDI::controller:
_parser.channel_controller[chn_i].connect_same_thread (midi_sense_connection[0], boost::bind (&MIDIControllable::midi_sense_controller, this, _1, _2));
snprintf (buf, sizeof (buf), "MIDI control: Controller %d", control_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;
}
-
- int const gm = control_to_midi (controllable->get_value());
+
+ if (control_type == none || bufsize <= 2) {
+ return buf;
+ }
+
+ int const gm = control_to_midi (val);
if (gm == last_value) {
return buf;
MIDIControllable::max_value_for_type () const
{
/* XXX: this is not complete */
-
+
if (control_type == MIDI::pitchbend) {
return 16383;
}
projects / ardour.git / blobdiff