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livetrax/libs/surfaces/cc121/cc121.cc

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/*
* Copyright (C) 2016 W.P. van Paass
* Copyright (C) 2016-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2017-2018 Paul Davis <paul@linuxaudiosystems.com>
*
* Thanks to Rolf Meyerhoff for reverse engineering the CC121 protocol.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cstdlib>
#include <sstream>
#include <algorithm>
#include <stdint.h>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
#include "pbd/file_utils.h"
#include "pbd/pthread_utils.h"
#include "pbd/compose.h"
#include "pbd/xml++.h"
#include "midi++/port.h"
#include "control_protocol/basic_ui.h"
#include "ardour/async_midi_port.h"
#include "ardour/audioengine.h"
#include "ardour/amp.h"
#include "ardour/bundle.h"
#include "ardour/debug.h"
#include "ardour/filesystem_paths.h"
#include "ardour/midi_port.h"
#include "ardour/midiport_manager.h"
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#include "ardour/monitor_control.h"
#include "ardour/monitor_processor.h"
#include "ardour/profile.h"
#include "ardour/rc_configuration.h"
#include "ardour/record_enable_control.h"
#include "ardour/stripable.h"
#include "ardour/session.h"
#include "ardour/session_configuration.h"
#include "ardour/track.h"
#include "cc121.h"
using namespace ARDOUR;
using namespace ArdourSurface;
using namespace PBD;
using namespace Glib;
using namespace std;
#include "pbd/i18n.h"
#include "pbd/abstract_ui.cc" // instantiate template
CC121::CC121 (Session& s)
: ControlProtocol (s, _("Steinberg CC121"))
, AbstractUI<CC121Request> (name())
, gui (0)
, connection_state (ConnectionState (0))
, _device_active (false)
, fader_msb (0)
, fader_lsb (0)
, fader_is_touched (false)
, _jogmode(scroll)
, button_state (ButtonState (0))
, blink_state (false)
, rec_enable_state (false)
{
last_encoder_time = 0;
boost::shared_ptr<ARDOUR::Port> inp;
boost::shared_ptr<ARDOUR::Port> outp;
inp = AudioEngine::instance()->register_input_port (DataType::MIDI, "CC121 Recv", true);
outp = AudioEngine::instance()->register_output_port (DataType::MIDI, "CC121 Send", true);
_input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(inp);
_output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(outp);
if (_input_port == 0 || _output_port == 0) {
throw failed_constructor();
}
_input_bundle.reset (new ARDOUR::Bundle (_("CC121 Support (Receive)"), true));
_output_bundle.reset (new ARDOUR::Bundle (_("CC121 Support (Send) "), false));
_input_bundle->add_channel (
"",
ARDOUR::DataType::MIDI,
session->engine().make_port_name_non_relative (inp->name())
);
_output_bundle->add_channel (
"",
ARDOUR::DataType::MIDI,
session->engine().make_port_name_non_relative (outp->name())
);
/* Catch port connections and disconnections */
ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connection, MISSING_INVALIDATOR, boost::bind (&CC121::connection_handler, this, _1, _2, _3, _4, _5), this);
buttons.insert (std::make_pair (EButton, Button (*this, _("EButton"), EButton)));
buttons.insert (std::make_pair (OpenVST, Button (*this, _("OpenVST"), OpenVST)));
buttons.insert (std::make_pair (InputMonitor, Button (*this, _("InputMonitor"), InputMonitor)));
buttons.insert (std::make_pair (EQ1Enable, Button (*this, _("EQ1Enable"), EQ1Enable)));
buttons.insert (std::make_pair (EQ2Enable, Button (*this, _("EQ2Enable"), EQ2Enable)));
buttons.insert (std::make_pair (EQ3Enable, Button (*this, _("EQ3Enable"), EQ3Enable)));
buttons.insert (std::make_pair (EQ4Enable, Button (*this, _("EQ4Enable"), EQ4Enable)));
buttons.insert (std::make_pair (EQType, Button (*this, _("EQType"), EQType)));
buttons.insert (std::make_pair (AllBypass, Button (*this, _("AllBypass"), AllBypass)));
buttons.insert (std::make_pair (Function1, Button (*this, _("Function1"), Function1)));
buttons.insert (std::make_pair (Function2, Button (*this, _("Function2"), Function2)));
buttons.insert (std::make_pair (Function3, Button (*this, _("Function3"), Function3)));
buttons.insert (std::make_pair (Function4, Button (*this, _("Function4"), Function4)));
buttons.insert (std::make_pair (Value, Button (*this, _("Value"), Value)));
buttons.insert (std::make_pair (Jog, Button (*this, _("Jog"), Jog)));
buttons.insert (std::make_pair (Lock, Button (*this, _("Lock"), Lock)));
buttons.insert (std::make_pair (ToStart, Button (*this, _("ToStart"), ToStart)));
buttons.insert (std::make_pair (ToEnd, Button (*this, _("ToEnd"), ToEnd)));
buttons.insert (std::make_pair (Mute, Button (*this, _("Mute"), Mute)));
buttons.insert (std::make_pair (Solo, Button (*this, _("Solo"), Solo)));
buttons.insert (std::make_pair (Rec, Button (*this, _("Rec"), Rec)));
buttons.insert (std::make_pair (Left, Button (*this, _("Left"), Left)));
buttons.insert (std::make_pair (Right, Button (*this, _("Right"), Right)));
buttons.insert (std::make_pair (Output, Button (*this, _("Output"), Output)));
buttons.insert (std::make_pair (FP_Read, Button (*this, _("Read"), FP_Read)));
buttons.insert (std::make_pair (FP_Write, Button (*this, _("Write"), FP_Write)));
buttons.insert (std::make_pair (Loop, Button (*this, _("Loop"), Loop)));
buttons.insert (std::make_pair (Rewind, Button (*this, _("Rewind"), Rewind)));
buttons.insert (std::make_pair (Ffwd, Button (*this, _("Ffwd"), Ffwd)));
buttons.insert (std::make_pair (Stop, Button (*this, _("Stop"), Stop)));
buttons.insert (std::make_pair (Play, Button (*this, _("Play"), Play)));
buttons.insert (std::make_pair (RecEnable, Button (*this, _("RecEnable"), RecEnable)));
buttons.insert (std::make_pair (Footswitch, Button (*this, _("Footswitch"), Footswitch)));
buttons.insert (std::make_pair (FaderTouch, Button (*this, _("Fader (touch)"), FaderTouch)));
get_button (Left).set_action ( boost::bind (&CC121::left, this), true);
get_button (Right).set_action ( boost::bind (&CC121::right, this), true);
get_button (FP_Read).set_action (boost::bind (&CC121::read, this), true);
get_button (FP_Write).set_action (boost::bind (&CC121::write, this), true);
get_button (EButton).set_action (boost::bind (&CC121::touch, this), true);
get_button (OpenVST).set_action (boost::bind (&CC121::off, this), true);
get_button (Play).set_action (boost::bind (&BasicUI::transport_play, this, true), true);
get_button (ToStart).set_action (boost::bind (&BasicUI::prev_marker, this), true);
get_button (ToEnd).set_action (boost::bind (&BasicUI::next_marker, this), true);
get_button (RecEnable).set_action (boost::bind (&BasicUI::rec_enable_toggle, this), true);
get_button (Stop).set_action (boost::bind (&BasicUI::transport_stop, this), true);
get_button (Ffwd).set_action (boost::bind (&BasicUI::ffwd, this), true);
get_button (Rewind).set_action (boost::bind (&BasicUI::rewind, this), true);
get_button (Loop).set_action (boost::bind (&BasicUI::loop_toggle, this), true);
get_button (Jog).set_action (boost::bind (&CC121::jog, this), true);
get_button (Mute).set_action (boost::bind (&CC121::mute, this), true);
get_button (Solo).set_action (boost::bind (&CC121::solo, this), true);
get_button (Rec).set_action (boost::bind (&CC121::rec_enable, this), true);
get_button (InputMonitor).set_action (boost::bind (&CC121::input_monitor, this), true);
}
CC121::~CC121 ()
{
all_lights_out ();
if (_input_port) {
DEBUG_TRACE (DEBUG::CC121, string_compose ("unregistering input port %1\n", boost::shared_ptr<ARDOUR::Port>(_input_port)->name()));
AudioEngine::instance()->unregister_port (_input_port);
_input_port.reset ();
}
if (_output_port) {
_output_port->drain (10000, 250000); /* check every 10 msecs, wait up to 1/4 second for the port to drain */
DEBUG_TRACE (DEBUG::CC121, string_compose ("unregistering output port %1\n", boost::shared_ptr<ARDOUR::Port>(_output_port)->name()));
AudioEngine::instance()->unregister_port (_output_port);
_output_port.reset ();
}
tear_down_gui ();
/* stop event loop */
DEBUG_TRACE (DEBUG::CC121, "BaseUI::quit ()\n");
BaseUI::quit ();
}
void*
CC121::request_factory (uint32_t num_requests)
{
/* AbstractUI<T>::request_buffer_factory() is a template method only
instantiated in this source module. To provide something visible for
use in the interface/descriptor, we have this static method that is
template-free.
*/
return request_buffer_factory (num_requests);
}
void
CC121::start_midi_handling ()
{
/* handle buttons press */
_input_port->parser()->channel_note_on[0].connect_same_thread (midi_connections, boost::bind (&CC121::button_press_handler, this, _1, _2));
/* handle buttons release*/
_input_port->parser()->channel_note_off[0].connect_same_thread (midi_connections, boost::bind (&CC121::button_release_handler, this, _1, _2));
/* handle fader */
_input_port->parser()->pitchbend.connect_same_thread (midi_connections, boost::bind (&CC121::fader_handler, this, _1, _2));
/* handle encoder */
_input_port->parser()->controller.connect_same_thread (midi_connections, boost::bind (&CC121::encoder_handler, this, _1, _2));
/* This connection means that whenever data is ready from the input
* port, the relevant thread will invoke our ::midi_input_handler()
* method, which will read the data, and invoke the parser.
*/
_input_port->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &CC121::midi_input_handler), _input_port));
_input_port->xthread().attach (main_loop()->get_context());
}
void
CC121::stop_midi_handling ()
{
midi_connections.drop_connections ();
/* Note: the input handler is still active at this point, but we're no
* longer connected to any of the parser signals
*/
}
void
CC121::do_request (CC121Request* req)
{
if (req->type == CallSlot) {
call_slot (MISSING_INVALIDATOR, req->the_slot);
} else if (req->type == Quit) {
stop ();
}
}
int
CC121::stop ()
{
BaseUI::quit ();
return 0;
}
void
CC121::thread_init ()
{
pthread_set_name (event_loop_name().c_str());
PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
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set_thread_priority ();
}
void
CC121::all_lights_out ()
{
for (ButtonMap::iterator b = buttons.begin(); b != buttons.end(); ++b) {
b->second.set_led_state (_output_port, false);
}
}
CC121::Button&
CC121::get_button (ButtonID id) const
{
ButtonMap::const_iterator b = buttons.find (id);
assert (b != buttons.end());
return const_cast<Button&>(b->second);
}
void
CC121::button_press_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
{
DEBUG_TRACE (DEBUG::CC121, string_compose ("button press event for ID %1 press ? %2\n", (int) tb->controller_number, (tb->value ? "yes" : "no")));
ButtonID id (ButtonID (tb->controller_number));
Button& button (get_button (id));
buttons_down.insert (id);
ButtonState bs (ButtonState (0));
switch (id) {
case FaderTouch:
fader_is_touched = true;
if (_current_stripable) {
boost::shared_ptr<AutomationControl> gain = _current_stripable->gain_control ();
if (gain) {
timepos_t now (session->engine().sample_time());
gain->start_touch (now);
}
}
break;
default:
break;
}
if (bs) {
button_state = ButtonState (button_state|bs);
DEBUG_TRACE (DEBUG::CC121, string_compose ("reset button state to %1 using %2\n", button_state, (int) bs));
}
if (button.uses_flash()) {
button.set_led_state (_output_port, (int)tb->value);
}
set<ButtonID>::iterator c = consumed.find (id);
if (c == consumed.end()) {
button.invoke (button_state, true);
} else {
DEBUG_TRACE (DEBUG::CC121, "button was consumed, ignored\n");
consumed.erase (c);
}
}
void
CC121::button_release_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
{
DEBUG_TRACE (DEBUG::CC121, string_compose ("button release event for ID %1 release ? %2\n", (int) tb->controller_number, (tb->value ? "yes" : "no")));
ButtonID id (ButtonID (tb->controller_number));
Button& button (get_button (id));
buttons_down.erase (id);
button.timeout_connection.disconnect ();
ButtonState bs (ButtonState (0));
switch (id) {
case FaderTouch:
fader_is_touched = false;
if (_current_stripable) {
boost::shared_ptr<AutomationControl> gain = _current_stripable->gain_control ();
if (gain) {
timepos_t now (session->engine().sample_time());
gain->stop_touch (now);
}
}
break;
default:
break;
}
if (bs) {
button_state = ButtonState (button_state&~bs);
DEBUG_TRACE (DEBUG::CC121, string_compose ("reset button state to %1 using %2\n", button_state, (int) bs));
}
if (button.uses_flash()) {
button.set_led_state (_output_port, (int)tb->value);
}
set<ButtonID>::iterator c = consumed.find (id);
if (c == consumed.end()) {
button.invoke (button_state, false);
} else {
DEBUG_TRACE (DEBUG::CC121, "button was consumed, ignored\n");
consumed.erase (c);
}
}
void
CC121::encoder_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
{
DEBUG_TRACE (DEBUG::CC121, "encoder handler");
boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (_current_stripable);
/* Extract absolute value*/
float adj = static_cast<float>(tb->value & ~0x40);
/* Get direction (negative values start at 0x40)*/
float sign = (tb->value & 0x40) ? -1.0 : 1.0;
/* Get amount of change (encoder clicks) * (change per click)
* Create an exponential curve
*/
float curve = sign * powf (adj, (1.f + 10.f) / 10.f);
adj = curve * (31.f / 1000.f);
switch(tb->controller_number) {
case 0x10:
/* pan */
if (r) { set_controllable (r->pan_azimuth_control(), adj); }
break;
case 0x20:
/* EQ 1 Q */
if (r) { set_controllable (r->eq_q_controllable(0), adj); }
break;
case 0x21:
/* EQ 2 Q */
if (r) { set_controllable (r->eq_q_controllable(1), adj); }
break;
case 0x22:
/* EQ 3 Q */
if (r) { set_controllable (r->eq_q_controllable(2), adj); }
break;
case 0x23:
/* EQ 4 Q */
if (r) { set_controllable (r->eq_q_controllable(3), adj); }
break;
case 0x30:
/* EQ 1 Frequency */
if (r) { set_controllable (r->eq_freq_controllable(0), adj); }
break;
case 0x31:
/* EQ 2 Frequency */
if (r) { set_controllable (r->eq_freq_controllable(1), adj); }
break;
case 0x32:
/* EQ 3 Frequency */
if (r) { set_controllable (r->eq_freq_controllable(2), adj); }
break;
case 0x33:
/* EQ 4 Frequency */
if (r) { set_controllable (r->eq_freq_controllable(3), adj); }
break;
case 0x3C:
/* AI */
if (sign < 0.0f) {
if (_jogmode == scroll) {
ScrollTimeline(-0.05);
}
else {
ZoomIn();
}
}
else {
if (_jogmode == scroll) {
ScrollTimeline(0.05);
}
else {
ZoomOut();
}
}
break;
case 0x40:
/* EQ 1 Gain */
if (r) { set_controllable (r->eq_gain_controllable(0), adj); }
break;
case 0x41:
/* EQ 2 Gain */
if (r) { set_controllable (r->eq_gain_controllable(1), adj); }
break;
case 0x42:
/* EQ 3 Gain */
if (r) { set_controllable (r->eq_gain_controllable(2), adj); }
break;
case 0x43:
/* EQ 4 Gain */
if (r) { set_controllable (r->eq_gain_controllable(3), adj); }
break;
case 0x50:
/* Value */
break;
default:
break;
}
}
void
CC121::fader_handler (MIDI::Parser &, MIDI::pitchbend_t pb)
{
DEBUG_TRACE (DEBUG::CC121, "fader handler");
if (_current_stripable) {
boost::shared_ptr<AutomationControl> gain = _current_stripable->gain_control ();
if (gain) {
float val = gain->interface_to_internal (pb/16384.0);
/* even though the cc121 only controls a
single stripable at a time, allow the fader to
modify the group, if appropriate.
*/
_current_stripable->gain_control()->set_value (val, Controllable::UseGroup);
}
}
}
int
CC121::set_active (bool yn)
{
DEBUG_TRACE (DEBUG::CC121, string_compose("CC121::set_active init with yn: '%1'\n", yn));
if (yn == active()) {
return 0;
}
if (yn) {
/* start event loop */
BaseUI::run ();
connect_session_signals ();
Glib::RefPtr<Glib::TimeoutSource> blink_timeout = Glib::TimeoutSource::create (200); // milliseconds
blink_connection = blink_timeout->connect (sigc::mem_fun (*this, &CC121::blink));
blink_timeout->attach (main_loop()->get_context());
Glib::RefPtr<Glib::TimeoutSource> heartbeat_timeout = Glib::TimeoutSource::create (800); // milliseconds
heartbeat_connection = heartbeat_timeout->connect (sigc::mem_fun (*this, &CC121::beat));
heartbeat_timeout->attach (main_loop()->get_context());
Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (100); // milliseconds
periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this, &CC121::periodic));
periodic_timeout->attach (main_loop()->get_context());
} else {
BaseUI::quit ();
close ();
}
ControlProtocol::set_active (yn);
DEBUG_TRACE (DEBUG::CC121, string_compose("CC121::set_active done with yn: '%1'\n", yn));
return 0;
}
bool
CC121::periodic ()
{
if (!_current_stripable) {
return true;
}
ARDOUR::AutoState gain_state = _current_stripable->gain_control()->automation_state();
if (gain_state == ARDOUR::Touch || gain_state == ARDOUR::Play) {
map_gain ();
}
return true;
}
void
CC121::stop_blinking (ButtonID id)
{
blinkers.remove (id);
get_button (id).set_led_state (_output_port, false);
}
void
CC121::start_blinking (ButtonID id)
{
blinkers.push_back (id);
get_button (id).set_led_state (_output_port, true);
}
bool
CC121::beat ()
{
MIDI::byte buf[8];
buf[0] = 0xf0;
buf[1] = 0x43;
buf[2] = 0x10;
buf[3] = 0x3e;
buf[4] = 0x15;
buf[5] = 0x00;
buf[6] = 0x01;
buf[7] = 0xF7;
_output_port->write (buf, 8, 0);
return true;
}
bool
CC121::blink ()
{
blink_state = !blink_state;
for (Blinkers::iterator b = blinkers.begin(); b != blinkers.end(); b++) {
get_button(*b).set_led_state (_output_port, blink_state);
}
map_recenable_state ();
return true;
}
void
CC121::close ()
{
all_lights_out ();
stop_midi_handling ();
session_connections.drop_connections ();
port_connection.disconnect ();
blink_connection.disconnect ();
heartbeat_connection.disconnect ();
selection_connection.disconnect ();
stripable_connections.drop_connections ();
#if 0
stripable_connections.drop_connections ();
#endif
}
void
CC121::map_recenable_state ()
{
/* special case for RecEnable because its status can change as a
* confluence of unrelated parameters: (a) session rec-enable state (b)
* rec-enabled tracks. So we don't add the button to the blinkers list,
* we just call this:
*
* * from the blink callback
* * when the session tells us about a status change
*
* We do the last one so that the button changes state promptly rather
* than waiting for the next blink callback. The change in "blinking"
* based on having record-enabled tracks isn't urgent, and that happens
* during the blink callback.
*/
bool onoff;
switch (session->record_status()) {
case Session::Disabled:
onoff = false;
break;
case Session::Enabled:
onoff = blink_state;
break;
case Session::Recording:
if (session->have_rec_enabled_track ()) {
onoff = true;
} else {
onoff = blink_state;
}
break;
}
if (onoff != rec_enable_state) {
get_button(RecEnable).set_led_state (_output_port, onoff);
rec_enable_state = onoff;
}
}
void
CC121::map_transport_state ()
{
get_button (Loop).set_led_state (_output_port, session->get_play_loop());
float ts = get_transport_speed();
if (ts == 0) {
stop_blinking (Play);
} else if (fabs (ts) == 1.0) {
stop_blinking (Play);
get_button (Play).set_led_state (_output_port, true);
} else {
start_blinking (Play);
}
get_button (Stop).set_led_state (_output_port, stop_button_onoff());
get_button (Rewind).set_led_state (_output_port, rewind_button_onoff());
get_button (Ffwd).set_led_state (_output_port, ffwd_button_onoff());
get_button (Jog).set_led_state (_output_port, _jogmode == scroll);
}
void
CC121::connect_session_signals()
{
session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_recenable_state, this), this);
session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_transport_state, this), this);
}
bool
CC121::midi_input_handler (Glib::IOCondition ioc, boost::shared_ptr<ARDOUR::AsyncMIDIPort> port)
{
DEBUG_TRACE (DEBUG::CC121, string_compose ("something happend on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
if (ioc & ~IO_IN) {
return false;
}
if (ioc & IO_IN) {
port->clear ();
DEBUG_TRACE (DEBUG::CC121, string_compose ("data available on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
samplepos_t now = session->engine().sample_time();
port->parse (now);
}
return true;
}
XMLNode&
CC121::get_state ()
{
XMLNode& node (ControlProtocol::get_state());
XMLNode* child;
child = new XMLNode (X_("Input"));
child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_input_port)->get_state());
node.add_child_nocopy (*child);
child = new XMLNode (X_("Output"));
child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_output_port)->get_state());
node.add_child_nocopy (*child);
/* Save action state for Function1..4, Lock, Value, EQnEnable, EQType,
* AllBypass and Footswitch buttons, since these
* are user controlled. We can only save named-action operations, since
* internal functions are just pointers to functions and hard to
* serialize without enumerating them all somewhere.
*/
node.add_child_nocopy (get_button (Function1).get_state());
node.add_child_nocopy (get_button (Function2).get_state());
node.add_child_nocopy (get_button (Function3).get_state());
node.add_child_nocopy (get_button (Function4).get_state());
node.add_child_nocopy (get_button (Value).get_state());
node.add_child_nocopy (get_button (Lock).get_state());
node.add_child_nocopy (get_button (EQ1Enable).get_state());
node.add_child_nocopy (get_button (EQ2Enable).get_state());
node.add_child_nocopy (get_button (EQ3Enable).get_state());
node.add_child_nocopy (get_button (EQ4Enable).get_state());
node.add_child_nocopy (get_button (EQType).get_state());
node.add_child_nocopy (get_button (AllBypass).get_state());
node.add_child_nocopy (get_button (Footswitch).get_state());
return node;
}
int
CC121::set_state (const XMLNode& node, int version)
{
XMLNodeList nlist;
XMLNode const* child;
if (ControlProtocol::set_state (node, version)) {
return -1;
}
if ((child = node.child (X_("Input"))) != 0) {
XMLNode* portnode = child->child (Port::state_node_name.c_str());
if (portnode) {
portnode->remove_property ("name");
boost::shared_ptr<ARDOUR::Port>(_input_port)->set_state (*portnode, version);
}
}
if ((child = node.child (X_("Output"))) != 0) {
XMLNode* portnode = child->child (Port::state_node_name.c_str());
if (portnode) {
portnode->remove_property ("name");
boost::shared_ptr<ARDOUR::Port>(_output_port)->set_state (*portnode, version);
}
}
for (XMLNodeList::const_iterator n = node.children().begin(); n != node.children().end(); ++n) {
if ((*n)->name() == X_("Button")) {
int32_t xid;
if (!(*n)->get_property ("id", xid)) {
continue;
}
ButtonMap::iterator b = buttons.find (ButtonID (xid));
if (b == buttons.end ()) {
continue;
}
b->second.set_state (**n);
}
}
return 0;
}
bool
CC121::connection_handler (boost::weak_ptr<ARDOUR::Port>, std::string name1, boost::weak_ptr<ARDOUR::Port>, std::string name2, bool yn)
{
DEBUG_TRACE (DEBUG::CC121, "CC121::connection_handler start\n");
if (!_input_port || !_output_port) {
return false;
}
string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_input_port)->name());
string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_output_port)->name());
if (ni == name1 || ni == name2) {
if (yn) {
connection_state |= InputConnected;
} else {
connection_state &= ~InputConnected;
}
} else if (no == name1 || no == name2) {
if (yn) {
connection_state |= OutputConnected;
} else {
connection_state &= ~OutputConnected;
}
} else {
DEBUG_TRACE (DEBUG::CC121, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
/* not our ports */
return false;
}
if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
/* XXX this is a horrible hack. Without a short sleep here,
something prevents the device wakeup messages from being
sent and/or the responses from being received.
*/
g_usleep (100000);
DEBUG_TRACE (DEBUG::CC121, "device now connected for both input and output\n");
connected ();
} else {
DEBUG_TRACE (DEBUG::CC121, "Device disconnected (input or output or both) or not yet fully connected\n");
_device_active = false;
}
ConnectionChange (); /* emit signal for our GUI */
DEBUG_TRACE (DEBUG::CC121, "CC121::connection_handler end\n");
return true; /* connection status changed */
}
void
CC121::connected ()
{
DEBUG_TRACE (DEBUG::CC121, "connected");
_device_active = true;
start_midi_handling ();
all_lights_out ();
/* catch up on state */
/* make sure that rec_enable_state is consistent with current device state */
get_button (RecEnable).set_led_state (_output_port, rec_enable_state);
map_transport_state ();
map_recenable_state ();
}
void
CC121::Button::invoke (CC121::ButtonState bs, bool press)
{
DEBUG_TRACE (DEBUG::CC121, string_compose ("invoke button %1 for %2 state %3%4%5\n", id, (press ? "press":"release"), hex, bs, dec));
ToDoMap::iterator x;
if (press) {
if ((x = on_press.find (bs)) == on_press.end()) {
DEBUG_TRACE (DEBUG::CC121, string_compose ("no press action for button %1 state %2 @ %3 in %4\n", id, bs, this, &on_press));
return;
}
} else {
if ((x = on_release.find (bs)) == on_release.end()) {
DEBUG_TRACE (DEBUG::CC121, string_compose ("no release action for button %1 state %2 @%3 in %4\n", id, bs, this, &on_release));
return;
}
}
switch (x->second.type) {
case NamedAction:
if (!x->second.action_name.empty()) {
fp.access_action (x->second.action_name);
}
break;
case InternalFunction:
if (x->second.function) {
x->second.function ();
}
}
}
void
CC121::Button::set_action (string const& name, bool when_pressed, CC121::ButtonState bs)
{
ToDo todo;
todo.type = NamedAction;
if (when_pressed) {
if (name.empty()) {
on_press.erase (bs);
} else {
DEBUG_TRACE (DEBUG::CC121, string_compose ("set button %1 to action %2 on press + %3%4%5\n", id, name, bs));
todo.action_name = name;
on_press[bs] = todo;
}
} else {
if (name.empty()) {
on_release.erase (bs);
} else {
DEBUG_TRACE (DEBUG::CC121, string_compose ("set button %1 to action %2 on release + %3%4%5\n", id, name, bs));
todo.action_name = name;
on_release[bs] = todo;
}
}
}
string
CC121::Button::get_action (bool press, CC121::ButtonState bs)
{
ToDoMap::iterator x;
if (press) {
if ((x = on_press.find (bs)) == on_press.end()) {
return string();
}
if (x->second.type != NamedAction) {
return string ();
}
return x->second.action_name;
} else {
if ((x = on_release.find (bs)) == on_release.end()) {
return string();
}
if (x->second.type != NamedAction) {
return string ();
}
return x->second.action_name;
}
}
void
CC121::Button::set_action (boost::function<void()> f, bool when_pressed, CC121::ButtonState bs)
{
ToDo todo;
todo.type = InternalFunction;
if (when_pressed) {
DEBUG_TRACE (DEBUG::CC121, string_compose ("set button %1 (%2) @ %5 to some functor on press + %3 in %4\n", id, name, bs, &on_press, this));
todo.function = f;
on_press[bs] = todo;
} else {
DEBUG_TRACE (DEBUG::CC121, string_compose ("set button %1 (%2) @ %5 to some functor on release + %3\n", id, name, bs, this));
todo.function = f;
on_release[bs] = todo;
}
}
void
CC121::Button::set_led_state (boost::shared_ptr<MIDI::Port> port, bool onoff)
{
MIDI::byte buf[3];
DEBUG_TRACE(DEBUG::CC121, "Set Led State\n");
buf[0] = 0x90;
buf[1] = id;
buf[2] = (onoff ? 0x7F:0x00);
port->write (buf, 3, 0);
}
int
CC121::Button::set_state (XMLNode const& node)
{
int32_t xid;
if (node.get_property ("id", xid) && xid != id) {
return -1;
}
typedef pair<string,CC121::ButtonState> state_pair_t;
vector<state_pair_t> state_pairs;
state_pairs.push_back (make_pair (string ("plain"), ButtonState (0)));
for (vector<state_pair_t>::const_iterator sp = state_pairs.begin(); sp != state_pairs.end(); ++sp) {
string prop_name;
string prop_value;
prop_name = sp->first + X_("-press");
if (node.get_property (prop_name.c_str(), prop_value)) {
set_action (prop_value, true, sp->second);
}
prop_name = sp->first + X_("-release");
if (node.get_property (prop_name.c_str(), prop_value)) {
set_action (prop_value, false, sp->second);
}
}
return 0;
}
XMLNode&
CC121::Button::get_state () const
{
XMLNode* node = new XMLNode (X_("Button"));
node->set_property (X_("id"), (int32_t)id);
ToDoMap::const_iterator x;
ToDo null;
null.type = NamedAction;
typedef pair<string,CC121::ButtonState> state_pair_t;
vector<state_pair_t> state_pairs;
state_pairs.push_back (make_pair (string ("plain"), ButtonState (0)));
for (vector<state_pair_t>::const_iterator sp = state_pairs.begin(); sp != state_pairs.end(); ++sp) {
if ((x = on_press.find (sp->second)) != on_press.end()) {
if (x->second.type == NamedAction) {
node->set_property (string (sp->first + X_("-press")).c_str(), x->second.action_name);
}
}
if ((x = on_release.find (sp->second)) != on_release.end()) {
if (x->second.type == NamedAction) {
node->set_property (string (sp->first + X_("-release")).c_str(), x->second.action_name);
}
}
}
return *node;
}
void
CC121::stripable_selection_changed ()
{
set_current_stripable (first_selected_stripable());
}
void
CC121::drop_current_stripable ()
{
if (_current_stripable) {
if (_current_stripable == session->monitor_out()) {
set_current_stripable (session->master_out());
} else {
set_current_stripable (boost::shared_ptr<Stripable>());
}
}
}
void
CC121::set_current_stripable (boost::shared_ptr<Stripable> r)
{
stripable_connections.drop_connections ();
_current_stripable = r;
if (_current_stripable) {
_current_stripable->DropReferences.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::drop_current_stripable, this), this);
_current_stripable->mute_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_mute, this), this);
_current_stripable->solo_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_solo, this), this);
boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_current_stripable);
if (t) {
t->rec_enable_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_recenable, this), this);
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t->monitoring_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_monitoring, this), this);
}
boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
if (control) {
control->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_gain, this), this);
control->alist()->automation_state_changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_auto, this), this);
}
boost::shared_ptr<MonitorProcessor> mp = _current_stripable->monitor_control();
if (mp) {
mp->cut_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&CC121::map_cut, this), this);
}
}
//ToDo: subscribe to the fader automation modes so we can light the LEDs
map_stripable_state ();
}
void
CC121::map_auto ()
{
boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
const AutoState as = control->automation_state ();
switch (as) {
case ARDOUR::Play:
get_button (FP_Read).set_led_state (_output_port, true);
get_button (FP_Write).set_led_state (_output_port, false);
get_button (EButton).set_led_state (_output_port, false);
get_button (OpenVST).set_led_state (_output_port, false);
break;
case ARDOUR::Write:
get_button (FP_Read).set_led_state (_output_port, false);
get_button (FP_Write).set_led_state (_output_port, true);
get_button (EButton).set_led_state (_output_port, false);
get_button (OpenVST).set_led_state (_output_port, false);
break;
case ARDOUR::Latch:
case ARDOUR::Touch:
get_button (EButton).set_led_state (_output_port, true);
get_button (FP_Read).set_led_state (_output_port, false);
get_button (FP_Write).set_led_state(_output_port, false);
get_button (OpenVST).set_led_state (_output_port, false);
break;
case ARDOUR::Off:
get_button (OpenVST).set_led_state (_output_port, true);
get_button (FP_Read).set_led_state (_output_port, false);
get_button (FP_Write).set_led_state (_output_port, false);
get_button (EButton).set_led_state (_output_port, false);
break;
}
}
void
CC121::map_cut ()
{
boost::shared_ptr<MonitorProcessor> mp = _current_stripable->monitor_control();
if (mp) {
bool yn = mp->cut_all ();
if (yn) {
start_blinking (Mute);
} else {
stop_blinking (Mute);
}
} else {
stop_blinking (Mute);
}
}
void
CC121::map_mute ()
{
if (_current_stripable) {
if (_current_stripable->mute_control()->muted()) {
stop_blinking (Mute);
get_button (Mute).set_led_state (_output_port, true);
} else if (_current_stripable->mute_control()->muted_by_others_soloing () || _current_stripable->mute_control()->muted_by_masters()) {
start_blinking (Mute);
} else {
stop_blinking (Mute);
}
} else {
stop_blinking (Mute);
}
}
void
CC121::map_solo ()
{
if (_current_stripable) {
get_button (Solo).set_led_state (_output_port, _current_stripable->solo_control()->soloed());
} else {
get_button (Solo).set_led_state (_output_port, false);
}
}
void
CC121::map_recenable ()
{
boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_current_stripable);
if (t) {
get_button (Rec).set_led_state (_output_port, t->rec_enable_control()->get_value());
} else {
get_button (Rec).set_led_state (_output_port, false);
}
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map_monitoring ();
}
void
CC121::map_monitoring ()
{
boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_current_stripable);
if (t) {
MonitorState state = t->monitoring_control()->monitoring_state ();
if (state == MonitoringInput || state == MonitoringCue) {
get_button(InputMonitor).set_led_state (_output_port, true);
} else {
get_button(InputMonitor).set_led_state (_output_port, false);
}
} else {
get_button(InputMonitor).set_led_state (_output_port, false);
}
}
void
CC121::map_gain ()
{
if (fader_is_touched) {
/* Do not send fader moves while the user is touching the fader */
return;
}
if (!_current_stripable) {
return;
}
boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
double val;
if (!control) {
val = 0.0;
} else {
val = control->internal_to_interface (control->get_value ());
}
int ival = (int)((val * 16384.0f) + 0.5f);
if (ival < 0) {
ival = 0;
}
else if (ival > 16383) {
ival = 16383;
}
MIDI::byte buf[3];
buf[0] = 0xE0;
buf[1] = ival & 0x7F;
buf[2] = (ival >> 7) & 0x7F;
_output_port->write (buf, 3, 0);
}
void
CC121::map_stripable_state ()
{
if (!_current_stripable) {
stop_blinking (Mute);
stop_blinking (Solo);
get_button (Rec).set_led_state (_output_port, false);
} else {
map_solo ();
map_recenable ();
map_gain ();
map_auto ();
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map_monitoring ();
if (_current_stripable == session->monitor_out()) {
map_cut ();
} else {
map_mute ();
}
}
}
list<boost::shared_ptr<ARDOUR::Bundle> >
CC121::bundles ()
{
list<boost::shared_ptr<ARDOUR::Bundle> > b;
if (_input_bundle) {
b.push_back (_input_bundle);
b.push_back (_output_bundle);
}
return b;
}
boost::shared_ptr<Port>
CC121::output_port()
{
return _output_port;
}
boost::shared_ptr<Port>
CC121::input_port()
{
return _input_port;
}
void
CC121::set_action (ButtonID id, std::string const& action_name, bool on_press, ButtonState bs)
{
get_button(id).set_action (action_name, on_press, bs);
}
string
CC121::get_action (ButtonID id, bool press, ButtonState bs)
{
return get_button(id).get_action (press, bs);
}