*/
-#define __STDC_FORMAT_MACROS 1
#include <stdint.h>
+#include <sstream>
#include <algorithm>
-#include <pbd/error.h>
-#include <pbd/failed_constructor.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
-#include <midi++/port.h>
-#include <midi++/manager.h>
-#include <midi++/port_request.h>
+#include "pbd/controllable_descriptor.h"
+#include "pbd/error.h"
+#include "pbd/failed_constructor.h"
+#include "pbd/pathscanner.h"
+#include "pbd/xml++.h"
-#include <ardour/route.h>
-#include <ardour/session.h>
+#include "midi++/port.h"
+
+#include "ardour/audioengine.h"
+#include "ardour/filesystem_paths.h"
+#include "ardour/session.h"
+#include "ardour/route.h"
+#include "ardour/midi_ui.h"
+#include "ardour/rc_configuration.h"
+#include "ardour/midiport_manager.h"
#include "generic_midi_control_protocol.h"
#include "midicontrollable.h"
+#include "midifunction.h"
+#include "midiaction.h"
using namespace ARDOUR;
using namespace PBD;
+using namespace std;
#include "i18n.h"
+#define midi_ui_context() MidiControlUI::instance() /* a UICallback-derived object that specifies the event loop for signal handling */
+
GenericMidiControlProtocol::GenericMidiControlProtocol (Session& s)
- : ControlProtocol (s, _("Generic MIDI"))
+ : ControlProtocol (s, _("Generic MIDI"))
+ , _motorised (false)
+ , _threshold (10)
+ , gui (0)
{
- MIDI::Manager* mm = MIDI::Manager::instance();
-
- /* XXX it might be nice to run "control" through i18n, but thats a bit tricky because
- the name is defined in ardour.rc which is likely not internationalized.
- */
-
- _port = mm->port (X_("control"));
-
- if (_port == 0) {
- error << _("no MIDI port named \"control\" exists - generic MIDI control disabled") << endmsg;
- throw failed_constructor();
- }
+ _input_port = s.midi_input_port ();
+ _output_port = s.midi_output_port ();
do_feedback = false;
_feedback_interval = 10000; // microseconds
last_feedback_time = 0;
- Controllable::StartLearning.connect (mem_fun (*this, &GenericMidiControlProtocol::start_learning));
- Controllable::StopLearning.connect (mem_fun (*this, &GenericMidiControlProtocol::stop_learning));
- Session::SendFeedback.connect (mem_fun (*this, &GenericMidiControlProtocol::send_feedback));
+ _current_bank = 0;
+ _bank_size = 0;
+
+ /* these signals are emitted by the MidiControlUI's event loop thread
+ * and we may as well handle them right there in the same the same
+ * thread
+ */
+
+ Controllable::StartLearning.connect_same_thread (*this, boost::bind (&GenericMidiControlProtocol::start_learning, this, _1));
+ Controllable::StopLearning.connect_same_thread (*this, boost::bind (&GenericMidiControlProtocol::stop_learning, this, _1));
+ Controllable::CreateBinding.connect_same_thread (*this, boost::bind (&GenericMidiControlProtocol::create_binding, this, _1, _2, _3));
+ Controllable::DeleteBinding.connect_same_thread (*this, boost::bind (&GenericMidiControlProtocol::delete_binding, this, _1));
+
+ Session::SendFeedback.connect (*this, MISSING_INVALIDATOR, boost::bind (&GenericMidiControlProtocol::send_feedback, this), midi_ui_context());;
+#if 0
+ /* XXXX SOMETHING GOES WRONG HERE (april 2012) - STILL DEBUGGING */
+ /* this signal is emitted by the process() callback, and if
+ * send_feedback() is going to do anything, it should do it in the
+ * context of the process() callback itself.
+ */
+
+ Session::SendFeedback.connect_same_thread (*this, boost::bind (&GenericMidiControlProtocol::send_feedback, this));
+#endif
+ /* this one is cross-thread */
+
+ Route::RemoteControlIDChange.connect (*this, MISSING_INVALIDATOR, boost::bind (&GenericMidiControlProtocol::reset_controllables, this), midi_ui_context());
+
+ reload_maps ();
}
GenericMidiControlProtocol::~GenericMidiControlProtocol ()
{
+ drop_all ();
+ tear_down_gui ();
+}
+
+static const char * const midimap_env_variable_name = "ARDOUR_MIDIMAPS_PATH";
+static const char* const midi_map_dir_name = "midi_maps";
+static const char* const midi_map_suffix = ".map";
+
+Searchpath
+system_midi_map_search_path ()
+{
+ bool midimap_path_defined = false;
+ std::string spath_env (Glib::getenv (midimap_env_variable_name, midimap_path_defined));
+
+ if (midimap_path_defined) {
+ return spath_env;
+ }
+
+ Searchpath spath (ardour_data_search_path());
+ spath.add_subdirectory_to_paths(midi_map_dir_name);
+ return spath;
+}
+
+static std::string
+user_midi_map_directory ()
+{
+ return Glib::build_filename (user_config_directory(), midi_map_dir_name);
+}
+
+static bool
+midi_map_filter (const string &str, void* /*arg*/)
+{
+ return (str.length() > strlen(midi_map_suffix) &&
+ str.find (midi_map_suffix) == (str.length() - strlen (midi_map_suffix)));
+}
+
+void
+GenericMidiControlProtocol::reload_maps ()
+{
+ vector<string *> *midi_maps;
+ PathScanner scanner;
+ Searchpath spath (system_midi_map_search_path());
+ spath += user_midi_map_directory ();
+
+ midi_maps = scanner (spath.to_string(), midi_map_filter, 0, false, true);
+
+ if (!midi_maps) {
+ cerr << "No MIDI maps found using " << spath.to_string() << endl;
+ return;
+ }
+
+ for (vector<string*>::iterator i = midi_maps->begin(); i != midi_maps->end(); ++i) {
+ string fullpath = *(*i);
+
+ XMLTree tree;
+
+ if (!tree.read (fullpath.c_str())) {
+ continue;
+ }
+
+ MapInfo mi;
+
+ XMLProperty* prop = tree.root()->property ("name");
+
+ if (!prop) {
+ continue;
+ }
+
+ mi.name = prop->value ();
+ mi.path = fullpath;
+
+ map_info.push_back (mi);
+ }
+
+ delete midi_maps;
+}
+
+void
+GenericMidiControlProtocol::drop_all ()
+{
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ++i) {
+ delete *i;
+ }
+ controllables.clear ();
+
+ for (MIDIPendingControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ++i) {
+ delete *i;
+ }
+ pending_controllables.clear ();
+
+ for (MIDIFunctions::iterator i = functions.begin(); i != functions.end(); ++i) {
+ delete *i;
+ }
+ functions.clear ();
+
+ for (MIDIActions::iterator i = actions.begin(); i != actions.end(); ++i) {
+ delete *i;
+ }
+ actions.clear ();
+}
+
+void
+GenericMidiControlProtocol::drop_bindings ()
+{
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ) {
+ if (!(*i)->learned()) {
+ delete *i;
+ i = controllables.erase (i);
+ } else {
+ ++i;
+ }
+ }
+
+ for (MIDIFunctions::iterator i = functions.begin(); i != functions.end(); ++i) {
+ delete *i;
+ }
+ functions.clear ();
+
+ _current_binding = "";
+ _bank_size = 0;
+ _current_bank = 0;
}
int
-GenericMidiControlProtocol::set_active (bool yn)
+GenericMidiControlProtocol::set_active (bool /*yn*/)
{
/* start/stop delivery/outbound thread */
return 0;
void
GenericMidiControlProtocol::send_feedback ()
{
+ /* This is executed in RT "process" context", so no blocking calls
+ */
+
if (!do_feedback) {
return;
}
void
GenericMidiControlProtocol::_send_feedback ()
{
+ /* This is executed in RT "process" context", so no blocking calls
+ */
+
const int32_t bufsize = 16 * 1024; /* XXX too big */
MIDI::byte buf[bufsize];
int32_t bsize = bufsize;
- MIDI::byte* end = buf;
+
+ /* XXX: due to bugs in some ALSA / JACK MIDI bridges, we have to do separate
+ writes for each controllable here; if we send more than one MIDI message
+ in a single jack_midi_event_write then some bridges will only pass the
+ first on to ALSA.
+ */
+
+ Glib::Threads::Mutex::Lock lm (controllables_lock, Glib::Threads::TRY_LOCK);
+ if (!lm.locked ()) {
+ return;
+ }
for (MIDIControllables::iterator r = controllables.begin(); r != controllables.end(); ++r) {
- end = (*r)->write_feedback (end, bsize);
+ MIDI::byte* end = (*r)->write_feedback (buf, bsize);
+ if (end != buf) {
+ _output_port->write (buf, (int32_t) (end - buf), 0);
+ }
}
-
- if (end == buf) {
- return;
- }
-
- // FIXME
- //_port->write (buf, (int32_t) (end - buf));
}
bool
return false;
}
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ MIDIControllables::iterator tmp;
+ for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ) {
+ tmp = i;
+ ++tmp;
+ if ((*i)->get_controllable() == c) {
+ delete (*i);
+ controllables.erase (i);
+ }
+ i = tmp;
+ }
+
+ {
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+
+ MIDIPendingControllables::iterator ptmp;
+ for (MIDIPendingControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ) {
+ ptmp = i;
+ ++ptmp;
+ if (((*i)->first)->get_controllable() == c) {
+ (*i)->second.disconnect();
+ delete (*i)->first;
+ delete *i;
+ pending_controllables.erase (i);
+ }
+ i = ptmp;
+ }
+ }
+
MIDIControllable* mc = 0;
for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ++i) {
- if ((*i)->get_controllable().id() == c->id()) {
+ if ((*i)->get_controllable() && ((*i)->get_controllable()->id() == c->id())) {
mc = *i;
break;
}
}
if (!mc) {
- mc = new MIDIControllable (*_port, *c);
+ mc = new MIDIControllable (this, *_input_port->parser(), *c, false);
}
{
- Glib::Mutex::Lock lm (pending_lock);
- std::pair<MIDIControllables::iterator,bool> result;
- result = pending_controllables.insert (mc);
- if (result.second) {
- c->LearningFinished.connect (bind (mem_fun (*this, &GenericMidiControlProtocol::learning_stopped), mc));
- }
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+
+ MIDIPendingControllable* element = new MIDIPendingControllable;
+ element->first = mc;
+ c->LearningFinished.connect_same_thread (element->second, boost::bind (&GenericMidiControlProtocol::learning_stopped, this, mc));
+
+ pending_controllables.push_back (element);
}
mc->learn_about_external_control ();
void
GenericMidiControlProtocol::learning_stopped (MIDIControllable* mc)
{
- Glib::Mutex::Lock lm (pending_lock);
- Glib::Mutex::Lock lm2 (controllables_lock);
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
- MIDIControllables::iterator i = find (pending_controllables.begin(), pending_controllables.end(), mc);
+ MIDIPendingControllables::iterator tmp;
+
+ for (MIDIPendingControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ) {
+ tmp = i;
+ ++tmp;
- if (i != pending_controllables.end()) {
- pending_controllables.erase (i);
+ if ( (*i)->first == mc) {
+ (*i)->second.disconnect();
+ delete *i;
+ pending_controllables.erase(i);
+ }
+
+ i = tmp;
}
- controllables.insert (mc);
+ controllables.push_back (mc);
}
void
GenericMidiControlProtocol::stop_learning (Controllable* c)
{
- Glib::Mutex::Lock lm (pending_lock);
- Glib::Mutex::Lock lm2 (controllables_lock);
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
MIDIControllable* dptr = 0;
/* learning timed out, and we've been told to consider this attempt to learn to be cancelled. find the
relevant MIDIControllable and remove it from the pending list.
*/
- for (MIDIControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ++i) {
- if (&(*i)->get_controllable() == c) {
- (*i)->stop_learning ();
- dptr = *i;
+ for (MIDIPendingControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ++i) {
+ if (((*i)->first)->get_controllable() == c) {
+ (*i)->first->stop_learning ();
+ dptr = (*i)->first;
+ (*i)->second.disconnect();
+
+ delete *i;
pending_controllables.erase (i);
break;
}
}
+
+ delete dptr;
+}
- for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ++i) {
- if (&(*i)->get_controllable() == c) {
- controllables.erase (i);
- break;
+void
+GenericMidiControlProtocol::delete_binding (PBD::Controllable* control)
+{
+ if (control != 0) {
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ for (MIDIControllables::iterator iter = controllables.begin(); iter != controllables.end();) {
+ MIDIControllable* existingBinding = (*iter);
+
+ if (control == (existingBinding->get_controllable())) {
+ delete existingBinding;
+ iter = controllables.erase (iter);
+ } else {
+ ++iter;
+ }
+
}
}
-
- if (dptr) {
- delete dptr;
+}
+
+void
+GenericMidiControlProtocol::create_binding (PBD::Controllable* control, int pos, int control_number)
+{
+ if (control != NULL) {
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ MIDI::channel_t channel = (pos & 0xf);
+ MIDI::byte value = control_number;
+
+ // Create a MIDIControllable
+ MIDIControllable* mc = new MIDIControllable (this, *_input_port->parser(), *control, false);
+
+ // Remove any old binding for this midi channel/type/value pair
+ // Note: can't use delete_binding() here because we don't know the specific controllable we want to remove, only the midi information
+ for (MIDIControllables::iterator iter = controllables.begin(); iter != controllables.end();) {
+ MIDIControllable* existingBinding = (*iter);
+
+ if ((existingBinding->get_control_channel() & 0xf ) == channel &&
+ existingBinding->get_control_additional() == value &&
+ (existingBinding->get_control_type() & 0xf0 ) == MIDI::controller) {
+
+ delete existingBinding;
+ iter = controllables.erase (iter);
+ } else {
+ ++iter;
+ }
+
+ }
+
+ // Update the MIDI Controllable based on the the pos param
+ // Here is where a table lookup for user mappings could go; for now we'll just wing it...
+ mc->bind_midi(channel, MIDI::controller, value);
+
+ controllables.push_back (mc);
}
}
node->add_property (X_("feedback"), do_feedback ? "1" : "0");
snprintf (buf, sizeof (buf), "%" PRIu64, _feedback_interval);
node->add_property (X_("feedback_interval"), buf);
+ snprintf (buf, sizeof (buf), "%d", _threshold);
+ node->add_property (X_("threshold"), buf);
+
+ if (!_current_binding.empty()) {
+ node->add_property ("binding", _current_binding);
+ }
- XMLNode* children = new XMLNode (X_("controls"));
+ XMLNode* children = new XMLNode (X_("Controls"));
node->add_child_nocopy (*children);
- Glib::Mutex::Lock lm2 (controllables_lock);
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ++i) {
- children->add_child_nocopy ((*i)->get_state());
+
+ /* we don't care about bindings that come from a bindings map, because
+ they will all be reset/recreated when we load the relevant bindings
+ file.
+ */
+
+ if ((*i)->get_controllable() && (*i)->learned()) {
+ children->add_child_nocopy ((*i)->get_state());
+ }
}
return *node;
}
int
-GenericMidiControlProtocol::set_state (const XMLNode& node)
+GenericMidiControlProtocol::set_state (const XMLNode& node, int version)
{
XMLNodeList nlist;
XMLNodeConstIterator niter;
_feedback_interval = 10000;
}
- Controllable* c;
+ if ((prop = node.property ("threshold")) != 0) {
+ if (sscanf (prop->value().c_str(), "%d", &_threshold) != 1) {
+ _threshold = 10;
+ }
+ } else {
+ _threshold = 10;
+ }
+ boost::shared_ptr<Controllable> c;
+
{
- Glib::Mutex::Lock lm (pending_lock);
+ Glib::Threads::Mutex::Lock lm (pending_lock);
+ for (MIDIPendingControllables::iterator i = pending_controllables.begin(); i != pending_controllables.end(); ++i) {
+ delete *i;
+ }
pending_controllables.clear ();
}
- Glib::Mutex::Lock lm2 (controllables_lock);
+ /* Load up specific bindings from the
+ * <Controls><MidiControllable>...</MidiControllable><Controls> section
+ */
- controllables.clear ();
+ {
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+ controllables.clear ();
+ nlist = node.children(); // "Controls"
- nlist = node.children(); // "controls"
+ if (!nlist.empty()) {
+ nlist = nlist.front()->children(); // "MIDIControllable" ...
- if (nlist.empty()) {
- return 0;
+ if (!nlist.empty()) {
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+
+ if ((prop = (*niter)->property ("id")) != 0) {
+
+ ID id = prop->value ();
+ Controllable* c = Controllable::by_id (id);
+
+ if (c) {
+ MIDIControllable* mc = new MIDIControllable (this, *_input_port->parser(), *c, false);
+
+ if (mc->set_state (**niter, version) == 0) {
+ controllables.push_back (mc);
+ }
+
+ } else {
+ warning << string_compose (
+ _("Generic MIDI control: controllable %1 not found in session (ignored)"),
+ id) << endmsg;
+ }
+ }
+ }
+ }
+ }
}
- nlist = nlist.front()->children ();
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- if ((prop = (*niter)->property ("id")) != 0) {
-
- ID id = prop->value ();
-
- c = Controllable::by_id (id);
-
- if (c) {
- MIDIControllable* mc = new MIDIControllable (*_port, *c);
- if (mc->set_state (**niter) == 0) {
- controllables.insert (mc);
- }
-
- } else {
- warning << string_compose (_("Generic MIDI control: controllable %1 not found (ignored)"), id)
- << endmsg;
+ if ((prop = node.property ("binding")) != 0) {
+ for (list<MapInfo>::iterator x = map_info.begin(); x != map_info.end(); ++x) {
+ if (prop->value() == (*x).name) {
+ load_bindings ((*x).path);
+ break;
}
}
}
{
return do_feedback;
}
+
+int
+GenericMidiControlProtocol::load_bindings (const string& xmlpath)
+{
+ XMLTree state_tree;
+
+ if (!state_tree.read (xmlpath.c_str())) {
+ error << string_compose(_("Could not understand MIDI bindings file %1"), xmlpath) << endmsg;
+ return -1;
+ }
+
+ XMLNode* root = state_tree.root();
+
+ if (root->name() != X_("ArdourMIDIBindings")) {
+ error << string_compose (_("MIDI Bindings file %1 is not really a MIDI bindings file"), xmlpath) << endmsg;
+ return -1;
+ }
+
+ const XMLProperty* prop;
+
+ if ((prop = root->property ("version")) == 0) {
+ return -1;
+ } else {
+ int major;
+ int minor;
+ int micro;
+
+ sscanf (prop->value().c_str(), "%d.%d.%d", &major, &minor, µ);
+ Stateful::loading_state_version = (major * 1000) + minor;
+ }
+
+ const XMLNodeList& children (root->children());
+ XMLNodeConstIterator citer;
+ XMLNodeConstIterator gciter;
+
+ MIDIControllable* mc;
+
+ drop_all ();
+
+ for (citer = children.begin(); citer != children.end(); ++citer) {
+
+ if ((*citer)->name() == "DeviceInfo") {
+ const XMLProperty* prop;
+
+ if ((prop = (*citer)->property ("bank-size")) != 0) {
+ _bank_size = atoi (prop->value());
+ _current_bank = 0;
+ }
+
+ if ((prop = (*citer)->property ("motorised")) != 0 || ((prop = (*citer)->property ("motorized")) != 0)) {
+ _motorised = string_is_affirmative (prop->value ());
+ } else {
+ _motorised = false;
+ }
+
+ if ((prop = (*citer)->property ("threshold")) != 0) {
+ _threshold = atoi (prop->value ());
+ } else {
+ _threshold = 10;
+ }
+
+ }
+
+ if ((*citer)->name() == "Binding") {
+ const XMLNode* child = *citer;
+
+ if (child->property ("uri")) {
+ /* controllable */
+
+ if ((mc = create_binding (*child)) != 0) {
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+ controllables.push_back (mc);
+ }
+
+ } else if (child->property ("function")) {
+
+ /* function */
+ MIDIFunction* mf;
+
+ if ((mf = create_function (*child)) != 0) {
+ functions.push_back (mf);
+ }
+
+ } else if (child->property ("action")) {
+ MIDIAction* ma;
+
+ if ((ma = create_action (*child)) != 0) {
+ actions.push_back (ma);
+ }
+ }
+ }
+ }
+
+ if ((prop = root->property ("name")) != 0) {
+ _current_binding = prop->value ();
+ }
+
+ reset_controllables ();
+
+ return 0;
+}
+
+MIDIControllable*
+GenericMidiControlProtocol::create_binding (const XMLNode& node)
+{
+ const XMLProperty* prop;
+ MIDI::byte detail;
+ MIDI::channel_t channel;
+ string uri;
+ MIDI::eventType ev;
+ int intval;
+ bool momentary;
+
+ if ((prop = node.property (X_("ctl"))) != 0) {
+ ev = MIDI::controller;
+ } else if ((prop = node.property (X_("note"))) != 0) {
+ ev = MIDI::on;
+ } else if ((prop = node.property (X_("pgm"))) != 0) {
+ ev = MIDI::program;
+ } else if ((prop = node.property (X_("pb"))) != 0) {
+ ev = MIDI::pitchbend;
+ } else {
+ return 0;
+ }
+
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+
+ detail = (MIDI::byte) intval;
+
+ if ((prop = node.property (X_("channel"))) == 0) {
+ return 0;
+ }
+
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+ channel = (MIDI::channel_t) intval;
+ /* adjust channel to zero-based counting */
+ if (channel > 0) {
+ channel -= 1;
+ }
+
+ if ((prop = node.property (X_("momentary"))) != 0) {
+ momentary = string_is_affirmative (prop->value());
+ } else {
+ momentary = false;
+ }
+
+ prop = node.property (X_("uri"));
+ uri = prop->value();
+
+ MIDIControllable* mc = new MIDIControllable (this, *_input_port->parser(), momentary);
+
+ if (mc->init (uri)) {
+ delete mc;
+ return 0;
+ }
+
+ mc->bind_midi (channel, ev, detail);
+
+ return mc;
+}
+
+void
+GenericMidiControlProtocol::reset_controllables ()
+{
+ Glib::Threads::Mutex::Lock lm2 (controllables_lock);
+
+ for (MIDIControllables::iterator iter = controllables.begin(); iter != controllables.end(); ) {
+ MIDIControllable* existingBinding = (*iter);
+ MIDIControllables::iterator next = iter;
+ ++next;
+
+ if (!existingBinding->learned()) {
+ ControllableDescriptor& desc (existingBinding->descriptor());
+
+ if (desc.banked()) {
+ desc.set_bank_offset (_current_bank * _bank_size);
+ }
+
+ /* its entirely possible that the session doesn't have
+ * the specified controllable (e.g. it has too few
+ * tracks). if we find this to be the case, we just leave
+ * the binding around, unbound, and it will do "late
+ * binding" (or "lazy binding") if/when any data arrives.
+ */
+
+ existingBinding->lookup_controllable ();
+ }
+
+ iter = next;
+ }
+}
+
+boost::shared_ptr<Controllable>
+GenericMidiControlProtocol::lookup_controllable (const ControllableDescriptor& desc) const
+{
+ return session->controllable_by_descriptor (desc);
+}
+
+MIDIFunction*
+GenericMidiControlProtocol::create_function (const XMLNode& node)
+{
+ const XMLProperty* prop;
+ int intval;
+ MIDI::byte detail = 0;
+ MIDI::channel_t channel = 0;
+ string uri;
+ MIDI::eventType ev;
+ MIDI::byte* data = 0;
+ uint32_t data_size = 0;
+ string argument;
+
+ if ((prop = node.property (X_("ctl"))) != 0) {
+ ev = MIDI::controller;
+ } else if ((prop = node.property (X_("note"))) != 0) {
+ ev = MIDI::on;
+ } else if ((prop = node.property (X_("pgm"))) != 0) {
+ ev = MIDI::program;
+ } else if ((prop = node.property (X_("sysex"))) != 0 || (prop = node.property (X_("msg"))) != 0) {
+
+ if (prop->name() == X_("sysex")) {
+ ev = MIDI::sysex;
+ } else {
+ ev = MIDI::any;
+ }
+
+ int val;
+ uint32_t cnt;
+
+ {
+ cnt = 0;
+ stringstream ss (prop->value());
+ ss << hex;
+
+ while (ss >> val) {
+ cnt++;
+ }
+ }
+
+ if (cnt == 0) {
+ return 0;
+ }
+
+ data = new MIDI::byte[cnt];
+ data_size = cnt;
+
+ {
+ stringstream ss (prop->value());
+ ss << hex;
+ cnt = 0;
+
+ while (ss >> val) {
+ data[cnt++] = (MIDI::byte) val;
+ }
+ }
+
+ } else {
+ warning << "Binding ignored - unknown type" << endmsg;
+ return 0;
+ }
+
+ if (data_size == 0) {
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+
+ detail = (MIDI::byte) intval;
+
+ if ((prop = node.property (X_("channel"))) == 0) {
+ return 0;
+ }
+
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+ channel = (MIDI::channel_t) intval;
+ /* adjust channel to zero-based counting */
+ if (channel > 0) {
+ channel -= 1;
+ }
+ }
+
+ if ((prop = node.property (X_("arg"))) != 0 || (prop = node.property (X_("argument"))) != 0 || (prop = node.property (X_("arguments"))) != 0) {
+ argument = prop->value ();
+ }
+
+ prop = node.property (X_("function"));
+
+ MIDIFunction* mf = new MIDIFunction (*_input_port->parser());
+
+ if (mf->setup (*this, prop->value(), argument, data, data_size)) {
+ delete mf;
+ return 0;
+ }
+
+ mf->bind_midi (channel, ev, detail);
+
+ return mf;
+}
+
+MIDIAction*
+GenericMidiControlProtocol::create_action (const XMLNode& node)
+{
+ const XMLProperty* prop;
+ int intval;
+ MIDI::byte detail = 0;
+ MIDI::channel_t channel = 0;
+ string uri;
+ MIDI::eventType ev;
+ MIDI::byte* data = 0;
+ uint32_t data_size = 0;
+
+ if ((prop = node.property (X_("ctl"))) != 0) {
+ ev = MIDI::controller;
+ } else if ((prop = node.property (X_("note"))) != 0) {
+ ev = MIDI::on;
+ } else if ((prop = node.property (X_("pgm"))) != 0) {
+ ev = MIDI::program;
+ } else if ((prop = node.property (X_("sysex"))) != 0 || (prop = node.property (X_("msg"))) != 0) {
+
+ if (prop->name() == X_("sysex")) {
+ ev = MIDI::sysex;
+ } else {
+ ev = MIDI::any;
+ }
+
+ int val;
+ uint32_t cnt;
+
+ {
+ cnt = 0;
+ stringstream ss (prop->value());
+ ss << hex;
+
+ while (ss >> val) {
+ cnt++;
+ }
+ }
+
+ if (cnt == 0) {
+ return 0;
+ }
+
+ data = new MIDI::byte[cnt];
+ data_size = cnt;
+
+ {
+ stringstream ss (prop->value());
+ ss << hex;
+ cnt = 0;
+
+ while (ss >> val) {
+ data[cnt++] = (MIDI::byte) val;
+ }
+ }
+
+ } else {
+ warning << "Binding ignored - unknown type" << endmsg;
+ return 0;
+ }
+
+ if (data_size == 0) {
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+
+ detail = (MIDI::byte) intval;
+
+ if ((prop = node.property (X_("channel"))) == 0) {
+ return 0;
+ }
+
+ if (sscanf (prop->value().c_str(), "%d", &intval) != 1) {
+ return 0;
+ }
+ channel = (MIDI::channel_t) intval;
+ /* adjust channel to zero-based counting */
+ if (channel > 0) {
+ channel -= 1;
+ }
+ }
+
+ prop = node.property (X_("action"));
+
+ MIDIAction* ma = new MIDIAction (*_input_port->parser());
+
+ if (ma->init (*this, prop->value(), data, data_size)) {
+ delete ma;
+ return 0;
+ }
+
+ ma->bind_midi (channel, ev, detail);
+
+ return ma;
+}
+
+void
+GenericMidiControlProtocol::set_current_bank (uint32_t b)
+{
+ _current_bank = b;
+ reset_controllables ();
+}
+
+void
+GenericMidiControlProtocol::next_bank ()
+{
+ _current_bank++;
+ reset_controllables ();
+}
+
+void
+GenericMidiControlProtocol::prev_bank()
+{
+ if (_current_bank) {
+ _current_bank--;
+ reset_controllables ();
+ }
+}
+
+void
+GenericMidiControlProtocol::set_motorised (bool m)
+{
+ _motorised = m;
+}
+
+void
+GenericMidiControlProtocol::set_threshold (int t)
+{
+ _threshold = t;
+}
projects / ardour.git / blobdiff