/*
- Copyright (C) 2000-2002 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
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
using namespace ARDOUR;
using namespace PBD;
-LadspaPlugin::LadspaPlugin (void *mod, AudioEngine& e, Session& session, uint32_t index, jack_nframes_t rate)
+LadspaPlugin::LadspaPlugin (void *mod, AudioEngine& e, Session& session, uint32_t index, nframes_t rate)
: Plugin (e, session)
{
init (mod, index, rate);
}
void
-LadspaPlugin::init (void *mod, uint32_t index, jack_nframes_t rate)
+LadspaPlugin::init (void *mod, uint32_t index, nframes_t rate)
{
LADSPA_Descriptor_Function dfunc;
uint32_t i, port_cnt;
}
}
- Plugin::setup_midi_controls ();
+ Plugin::setup_controls ();
latency_compute_run ();
-
- MIDI::Controllable *mcontrol;
-
- for (uint32_t i = 0; i < parameter_count(); ++i) {
- if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
- LADSPA_IS_PORT_CONTROL(port_descriptor (i))) {
- if ((mcontrol = get_nth_midi_control (i)) != 0) {
- mcontrol->midi_rebind (_session.midi_port(), 0);
- }
- }
- }
}
LadspaPlugin::~LadspaPlugin ()
deactivate ();
cleanup ();
- GoingAway (this); /* EMIT SIGNAL */
+ GoingAway (); /* EMIT SIGNAL */
/* XXX who should close a plugin? */
}
}
-void
-LadspaPlugin::store_state (PluginState& state)
-{
- state.parameters.clear ();
-
- for (uint32_t i = 0; i < parameter_count(); ++i){
-
- if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
- LADSPA_IS_PORT_CONTROL(port_descriptor (i))){
- pair<uint32_t,float> datum;
-
- datum.first = i;
- datum.second = shadow_data[i];
-
- state.parameters.insert (datum);
- }
- }
-}
-
-void
-LadspaPlugin::restore_state (PluginState& state)
-{
- for (map<uint32_t,float>::iterator i = state.parameters.begin(); i != state.parameters.end(); ++i) {
- set_parameter (i->first, i->second);
- }
-}
-
float
LadspaPlugin::default_value (uint32_t port)
{
shadow_data[which] = (LADSPA_Data) val;
ParameterChanged (which, val); /* EMIT SIGNAL */
- if (session().get_midi_feedback()) {
-
- if (which < parameter_count() && midi_controls[which]) {
- midi_controls[which]->send_feedback (val);
- }
+ if (which < parameter_count() && controls[which]) {
+ controls[which]->Changed ();
}
-
+
} else {
warning << string_compose (_("illegal parameter number used with plugin \"%1\". This may"
- "indicate a change in the plugin design, and presets may be"
- "invalid"), name())
+ "indicate a change in the plugin design, and presets may be"
+ "invalid"), name())
<< endmsg;
}
}
snprintf(buf, sizeof(buf), "%+f", shadow_data[i]);
child->add_property("value", string(buf));
root->add_child_nocopy (*child);
-
- MIDI::Controllable *pcontrol = get_nth_midi_control (i);
-
- if (pcontrol) {
-
- MIDI::eventType ev;
- MIDI::byte additional;
- MIDI::channel_t chn;
- XMLNode* midi_node;
-
- if (pcontrol->get_control_info (chn, ev, additional)) {
-
- midi_node = child->add_child ("midi-control");
-
- snprintf (buf, sizeof(buf), "0x%x", ev);
- midi_node->add_property ("event", buf);
- snprintf (buf, sizeof(buf), "%d", chn);
- midi_node->add_property ("channel", buf);
- snprintf (buf, sizeof(buf), "0x%x", additional);
- midi_node->add_property ("additional", buf);
- }
- }
}
}
sscanf (port, "%" PRIu32, &port_id);
set_parameter (port_id, atof(data));
-
- XMLNodeList midi_kids;
- XMLNodeConstIterator iter;
-
- midi_kids = child->children ("midi-control");
-
- for (iter = midi_kids.begin(); iter != midi_kids.end(); ++iter) {
-
- child = *iter;
-
- MIDI::eventType ev = MIDI::on; /* initialize to keep gcc happy */
- MIDI::byte additional = 0; /* initialize to keep gcc happy */
- MIDI::channel_t chn = 0; /* initialize to keep gcc happy */
- bool ok = true;
- int xx;
-
- if ((prop = child->property ("event")) != 0) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- ev = (MIDI::eventType) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = child->property ("channel")) != 0)) {
- sscanf (prop->value().c_str(), "%d", &xx);
- chn = (MIDI::channel_t) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = child->property ("additional")) != 0)) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- additional = (MIDI::byte) xx;
- }
-
- if (ok) {
- MIDI::Controllable* pcontrol = get_nth_midi_control (port_id);
-
- if (pcontrol) {
- pcontrol->set_control_type (chn, ev, additional);
- }
-
- } else {
- error << string_compose(_("LADSPA LadspaPlugin MIDI control specification for port %1 is incomplete, so it has been ignored"), port) << endl;
- }
- }
}
latency_compute_run ();
}
}
-jack_nframes_t
+nframes_t
LadspaPlugin::latency () const
{
if (latency_control_port) {
- return (jack_nframes_t) floor (*latency_control_port);
+ return (nframes_t) floor (*latency_control_port);
} else {
return 0;
}
}
int
-LadspaPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t nbufs, int32_t& in_index, int32_t& out_index, jack_nframes_t nframes, jack_nframes_t offset)
+LadspaPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t nbufs, int32_t& in_index, int32_t& out_index, nframes_t nframes, nframes_t offset)
{
uint32_t port_index;
cycles_t then, now;
}
void
-LadspaPlugin::run (jack_nframes_t nframes)
+LadspaPlugin::run (nframes_t nframes)
{
for (uint32_t i = 0; i < parameter_count(); ++i) {
if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) && LADSPA_IS_PORT_CONTROL(port_descriptor (i))) {
uint32_t port_index = 0;
uint32_t in_index = 0;
uint32_t out_index = 0;
- const jack_nframes_t bufsize = 1024;
+ const nframes_t bufsize = 1024;
LADSPA_Data buffer[bufsize];
memset(buffer,0,sizeof(LADSPA_Data)*bufsize);
run (bufsize);
deactivate ();
}
+
+PluginPtr
+LadspaPluginInfo::load (Session& session)
+{
+ try {
+ PluginPtr plugin;
+ void *module;
+
+ if ((module = dlopen (path.c_str(), RTLD_NOW)) == 0) {
+ error << string_compose(_("LADSPA: cannot load module from \"%1\""), path) << endmsg;
+ error << dlerror() << endmsg;
+ } else {
+ plugin.reset (new LadspaPlugin (module, session.engine(), session, index, session.frame_rate()));
+ }
+
+ plugin->set_info(PluginInfoPtr(new LadspaPluginInfo(*this)));
+ return plugin;
+ }
+
+ catch (failed_constructor &err) {
+ return PluginPtr ((Plugin*) 0);
+ }
+}
projects / ardour.git / blobdiff