boost::shared_ptr<Processor> before_processor_for_index (int);
bool processors_reorder_needs_configure (const ProcessorList& new_order);
int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
+ int replace_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
void disable_processors (Placement);
return 0;
}
+int
+Route::replace_processor (boost::shared_ptr<Processor> old, boost::shared_ptr<Processor> sub, ProcessorStreams* err)
+{
+ /* these can never be removed */
+ if (old == _amp || old == _meter || old == _main_outs || old == _delayline || old == _trim) {
+ return 1;
+ }
+ /* and can't be used as substitute, either */
+ if (sub == _amp || sub == _meter || sub == _main_outs || sub == _delayline || sub == _trim) {
+ return 1;
+ }
+
+ /* I/Os are out, too */
+ if (boost::dynamic_pointer_cast<IOProcessor> (old) || boost::dynamic_pointer_cast<IOProcessor> (sub)) {
+ return 1;
+ }
+
+ /* this function cannot be used to swap/reorder processors */
+ if (find (_processors.begin(), _processors.end(), sub) != _processors.end ()) {
+ return 1;
+ }
+
+ if (!AudioEngine::instance()->connected() || !old || !sub) {
+ return 1;
+ }
+
+ {
+ Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
+ Glib::Threads::RWLock::WriterLock lm (_processor_lock);
+ ProcessorState pstate (this);
+
+ assert (find (_processors.begin(), _processors.end(), sub) == _processors.end ());
+
+ ProcessorList::iterator i;
+ bool replaced = false;
+ bool enable = old->active ();
+
+ for (i = _processors.begin(); i != _processors.end(); ) {
+ if (*i == old) {
+ i = _processors.erase (i);
+ _processors.insert (i, sub);
+ sub->set_owner (this);
+ replaced = true;
+ break;
+ } else {
+ ++i;
+ }
+ }
+
+ if (!replaced) {
+ return 1;
+ }
+
+ if (configure_processors_unlocked (err)) {
+ pstate.restore ();
+ configure_processors_unlocked (0);
+ return -1;
+ }
+
+ _have_internal_generator = false;
+
+ for (i = _processors.begin(); i != _processors.end(); ++i) {
+ boost::shared_ptr<PluginInsert> pi;
+ if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
+ if (pi->has_no_inputs ()) {
+ _have_internal_generator = true;
+ break;
+ }
+ }
+ }
+
+ if (enable) {
+ sub->activate ();
+ }
+
+ sub->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
+ _output->set_user_latency (0);
+ }
+
+ reset_instrument_info ();
+ old->drop_references ();
+ processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
+ set_processor_positions ();
+ return 0;
+}
+
int
Route::remove_processors (const ProcessorList& to_be_deleted, ProcessorStreams* err)
{