#include <glibmm/fileutils.h>
#include "pbd/compose.h"
+#include "pbd/event_loop.h"
#include "pbd/file_utils.h"
#include "pbd/error.h"
#include "ardour/control_protocol_manager.h"
#include "ardour/search_paths.h"
-
+#include "ardour/selection.h"
+#include "ardour/session.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
-#include "i18n.h"
+#include "pbd/i18n.h"
ControlProtocolManager* ControlProtocolManager::_instance = 0;
const string ControlProtocolManager::state_node_name = X_("ControlProtocols");
+PBD::Signal1<void,StripableNotificationListPtr> ControlProtocolManager::StripableSelectionChanged;
+
+ControlProtocolInfo::~ControlProtocolInfo ()
+{
+ if (protocol && descriptor) {
+ descriptor->destroy (descriptor, protocol);
+ protocol = 0;
+ }
+
+ delete state; state = 0;
+
+ if (descriptor) {
+ delete (Glib::Module*) descriptor->module;
+ descriptor = 0;
+ }
+}
ControlProtocolManager::ControlProtocolManager ()
{
ControlProtocolManager::~ControlProtocolManager()
{
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ Glib::Threads::RWLock::WriterLock lm (protocols_lock);
for (list<ControlProtocol*>::iterator i = control_protocols.begin(); i != control_protocols.end(); ++i) {
delete (*i);
for (list<ControlProtocolInfo*>::iterator p = control_protocol_info.begin(); p != control_protocol_info.end(); ++p) {
+ (*p)->protocol = 0; // protocol was already destroyed above.
delete (*p);
}
{
SessionHandlePtr::set_session (s);
- if (_session) {
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ if (!_session) {
+ return;
+ }
+
+ {
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
if ((*i)->requested || (*i)->mandatory) {
}
}
}
+
+ CoreSelection::StripableAutomationControls sac;
+ _session->selection().get_stripables (sac);
+
+ if (!sac.empty()) {
+ StripableNotificationListPtr v (new StripableNotificationList);
+ for (CoreSelection::StripableAutomationControls::iterator i = sac.begin(); i != sac.end(); ++i) {
+ if ((*i).stripable) {
+ v->push_back (boost::weak_ptr<Stripable> ((*i).stripable));
+ }
+ }
+ if (!v->empty()) {
+ StripableSelectionChanged (v); /* EMIT SIGNAL */
+ }
+ }
}
int
cp->set_state (XMLNode(""), Stateful::loading_state_version);
}
- cp->set_active (true);
+ if (cp->set_active (true)) {
+ error << string_compose (_("Control protocol support for %1 failed to activate"), cpi.name) << endmsg;
+ teardown (cpi, false);
+ }
return 0;
-}
+}
int
ControlProtocolManager::deactivate (ControlProtocolInfo& cpi)
{
cpi.requested = false;
- return teardown (cpi);
+ return teardown (cpi, true);
}
void
ControlProtocolManager::session_going_away()
{
SessionHandlePtr::session_going_away ();
+ /* Session::destroy() will explicitly call drop_protocols() so we don't
+ * have to worry about that here.
+ */
+}
- {
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+void
+ControlProtocolManager::drop_protocols ()
+{
+ /* called explicitly by Session::destroy() so that we can clean up
+ * before the process cycle stops and ports vanish.
+ */
- for (list<ControlProtocol*>::iterator p = control_protocols.begin(); p != control_protocols.end(); ++p) {
- delete *p;
- }
+ Glib::Threads::RWLock::WriterLock lm (protocols_lock);
- control_protocols.clear ();
+ for (list<ControlProtocol*>::iterator p = control_protocols.begin(); p != control_protocols.end(); ++p) {
+ delete *p;
+ }
- for (list<ControlProtocolInfo*>::iterator p = control_protocol_info.begin(); p != control_protocol_info.end(); ++p) {
- // mark existing protocols as requested
- // otherwise the ControlProtocol instances are not recreated in set_session
- if ((*p)->protocol) {
- (*p)->requested = true;
- (*p)->protocol = 0;
- }
+ control_protocols.clear ();
+
+ for (list<ControlProtocolInfo*>::iterator p = control_protocol_info.begin(); p != control_protocol_info.end(); ++p) {
+ // mark existing protocols as requested
+ // otherwise the ControlProtocol instances are not recreated in set_session
+ if ((*p)->protocol) {
+ (*p)->requested = true;
+ (*p)->protocol = 0;
+ ProtocolStatusChange (*p); /* EMIT SIGNAL */
}
}
}
cpi.descriptor = get_descriptor (cpi.path);
- DEBUG_TRACE (DEBUG::ControlProtocols, string_compose ("instantiating %1\n", cpi.name));
+ DEBUG_TRACE (DEBUG::ControlProtocols, string_compose ("instantiating %1\n", cpi.name));
if (cpi.descriptor == 0) {
error << string_compose (_("control protocol name \"%1\" has no descriptor"), cpi.name) << endmsg;
}
int
-ControlProtocolManager::teardown (ControlProtocolInfo& cpi)
+ControlProtocolManager::teardown (ControlProtocolInfo& cpi, bool lock_required)
{
if (!cpi.protocol) {
+
+ /* we could still have a descriptor even if the protocol was
+ never instantiated. Close the associated module (shared
+ object/DLL) and make sure we forget about it.
+ */
+
+ if (cpi.descriptor) {
+ cerr << "Closing descriptor for CPI anyway\n";
+ delete (Glib::Module*) cpi.descriptor->module;
+ cpi.descriptor = 0;
+ }
+
return 0;
}
if (cpi.mandatory) {
return 0;
}
-
+
/* save current state */
delete cpi.state;
cpi.state = new XMLNode (cpi.protocol->get_state());
- cpi.state->add_property (X_("active"), "no");
+ cpi.state->set_property (X_("active"), false);
cpi.descriptor->destroy (cpi.descriptor, cpi.protocol);
- {
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ if (lock_required) {
+ /* the lock is required when the protocol is torn down by a user from the GUI. */
+ Glib::Threads::RWLock::WriterLock lm (protocols_lock);
+ list<ControlProtocol*>::iterator p = find (control_protocols.begin(), control_protocols.end(), cpi.protocol);
+ if (p != control_protocols.end()) {
+ control_protocols.erase (p);
+ } else {
+ cerr << "Programming error: ControlProtocolManager::teardown() called for " << cpi.name << ", but it was not found in control_protocols" << endl;
+ }
+ } else {
list<ControlProtocol*>::iterator p = find (control_protocols.begin(), control_protocols.end(), cpi.protocol);
if (p != control_protocols.end()) {
control_protocols.erase (p);
}
cpi.protocol = 0;
- delete cpi.state;
- cpi.state = 0;
- delete (Glib::Module*)cpi.descriptor->module;
+
+ delete (Glib::Module*) cpi.descriptor->module;
+ /* cpi->descriptor is now inaccessible since dlclose() or equivalent
+ * has been performed, and the descriptor is (or could be) a static
+ * object made accessible by dlopen().
+ */
+ cpi.descriptor = 0;
ProtocolStatusChange (&cpi);
return;
}
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
if ((*i)->mandatory && ((*i)->protocol == 0)) {
find_files_matching_pattern (cp_modules, control_protocol_search_path (),
dylib_extension_pattern);
- DEBUG_TRACE (DEBUG::ControlProtocols,
+ DEBUG_TRACE (DEBUG::ControlProtocols,
string_compose (_("looking for control protocols in %1\n"), control_protocol_search_path().to_string()));
-
+
for (vector<std::string>::iterator i = cp_modules.begin(); i != cp_modules.end(); ++i) {
control_protocol_discover (*i);
}
if ((descriptor = get_descriptor (path)) != 0) {
if (!descriptor->probe (descriptor)) {
- DEBUG_TRACE (DEBUG::ControlProtocols,
- string_compose (_("Control protocol %1 not usable"), descriptor->name));
+ warning << string_compose (_("Control protocol %1 not usable"), descriptor->name) << endmsg;
} else {
ControlProtocolInfo* cpi = new ControlProtocolInfo ();
control_protocol_info.push_back (cpi);
- DEBUG_TRACE (DEBUG::ControlProtocols,
+ DEBUG_TRACE (DEBUG::ControlProtocols,
string_compose(_("Control surface protocol discovered: \"%1\"\n"), cpi->name));
}
-
- delete (Glib::Module*)descriptor->module;
}
return 0;
if (descriptor) {
descriptor->module = (void*)module;
- } else {
- delete module;
}
return descriptor;
}
int
-ControlProtocolManager::set_state (const XMLNode& node, int /*version*/)
+ControlProtocolManager::set_state (const XMLNode& node, int session_specific_state /* here: not version */)
{
XMLNodeList clist;
XMLNodeConstIterator citer;
- XMLProperty* prop;
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ Glib::Threads::RWLock::WriterLock lm (protocols_lock);
clist = node.children();
for (citer = clist.begin(); citer != clist.end(); ++citer) {
- if ((*citer)->name() == X_("Protocol")) {
+ XMLNode const * child = *citer;
- if ((prop = (*citer)->property (X_("active"))) == 0) {
- continue;
- }
+ if (child->name() == X_("Protocol")) {
- bool active = string_is_affirmative (prop->value());
-
- if ((prop = (*citer)->property (X_("name"))) == 0) {
+ bool active;
+ std::string name;
+ if (!child->get_property (X_("active"), active) ||
+ !child->get_property (X_("name"), name)) {
continue;
}
- ControlProtocolInfo* cpi = cpi_by_name (prop->value());
-
+ ControlProtocolInfo* cpi = cpi_by_name (name);
+
if (cpi) {
- cpi->state = new XMLNode (**citer);
-
+#ifndef NDEBUG
+ std::cerr << "protocol " << name << " active ? " << active << std::endl;
+#endif
+
if (active) {
+ delete cpi->state;
+ cpi->state = new XMLNode (**citer);
+ cpi->state->set_property (X_("session-state"), session_specific_state ? true : false);
if (_session) {
instantiate (*cpi);
} else {
cpi->requested = true;
}
} else {
+ if (!cpi->state) {
+ cpi->state = new XMLNode (**citer);
+ cpi->state->set_property (X_("active"), false);
+ cpi->state->set_property (X_("session-state"), session_specific_state ? true : false);
+ }
+ cpi->requested = false;
if (_session) {
- teardown (*cpi);
- } else {
- cpi->requested = false;
+ teardown (*cpi, false);
}
}
+ } else {
+ std::cerr << "protocol " << name << " not found\n";
}
}
}
ControlProtocolManager::get_state ()
{
XMLNode* root = new XMLNode (state_node_name);
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
if ((*i)->protocol) {
XMLNode& child_state ((*i)->protocol->get_state());
- child_state.add_property (X_("active"), "yes");
+ child_state.set_property (X_("active"), true);
+ delete ((*i)->state);
+ (*i)->state = new XMLNode (child_state);
root->add_child_nocopy (child_state);
} else if ((*i)->state) {
XMLNode* child_state = new XMLNode (*(*i)->state);
- child_state->add_property (X_("active"), "no");
+ child_state->set_property (X_("active"), false);
root->add_child_nocopy (*child_state);
} else {
XMLNode* child_state = new XMLNode (X_("Protocol"));
- child_state->add_property (X_("name"), (*i)->name);
- child_state->add_property (X_("active"), "no");
+ child_state->set_property (X_("name"), (*i)->name);
+ child_state->set_property (X_("active"), false);
root->add_child_nocopy (*child_state);
}
void
ControlProtocolManager::midi_connectivity_established ()
{
- Glib::Threads::Mutex::Lock lm (protocols_lock);
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
for (list<ControlProtocol*>::iterator p = control_protocols.begin(); p != control_protocols.end(); ++p) {
(*p)->midi_connectivity_established ();
}
}
+
+void
+ControlProtocolManager::register_request_buffer_factories ()
+{
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
+
+ for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
+
+ if ((*i)->descriptor == 0) {
+ warning << string_compose (_("Control protocol \"%1\" has no descriptor"), (*i)->name) << endmsg;
+ continue;
+ }
+
+ if ((*i)->descriptor->request_buffer_factory) {
+ EventLoop::register_request_buffer_factory ((*i)->descriptor->name, (*i)->descriptor->request_buffer_factory);
+ }
+ }
+}
+
+void
+ControlProtocolManager::stripable_selection_changed (StripableNotificationListPtr sp)
+{
+ /* this sets up the (static) data structures owned by ControlProtocol
+ that are "shared" across all control protocols.
+ */
+
+ DEBUG_TRACE (DEBUG::Selection, string_compose ("Surface manager: selection changed, now %1 stripables\n", sp ? sp->size() : -1));
+ StripableSelectionChanged (sp); /* EMIT SIGNAL */
+
+ /* now give each protocol the chance to respond to the selection change
+ */
+
+ {
+ Glib::Threads::RWLock::ReaderLock lm (protocols_lock);
+
+ for (list<ControlProtocol*>::iterator p = control_protocols.begin(); p != control_protocols.end(); ++p) {
+ DEBUG_TRACE (DEBUG::Selection, string_compose ("selection change notification for surface \"%1\"\n", (*p)->name()));
+ (*p)->stripable_selection_changed ();
+ }
+ }
+}
projects / ardour.git / blobdiff