/*
- 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
+#include <inttypes.h>
+
#include <vector>
#include <string>
#include <lrdf.h>
-#include <pbd/compose.h>
-#include <pbd/error.h>
-#include <pbd/pathscanner.h>
-#include <pbd/xml++.h>
+#include "pbd/compose.h"
+#include "pbd/error.h"
+#include "pbd/xml++.h"
-#include <midi++/manager.h>
+#include "midi++/manager.h"
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/audioengine.h>
-#include <ardour/ladspa_plugin.h>
+#include "ardour/ardour.h"
+#include "ardour/session.h"
+#include "ardour/audioengine.h"
+#include "ardour/ladspa_plugin.h"
+#include "ardour/buffer_set.h"
+#include "ardour/audio_buffer.h"
-#include <pbd/stl_delete.h>
+#include "pbd/stl_delete.h"
#include "i18n.h"
#include <locale.h>
using namespace std;
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);
LadspaPlugin::LadspaPlugin (const LadspaPlugin &other)
: Plugin (other)
{
- init (other.module, other._index, other.sample_rate);
+ init (other._module, other._index, other._sample_rate);
for (uint32_t i = 0; i < parameter_count(); ++i) {
- control_data[i] = other.shadow_data[i];
- shadow_data[i] = other.shadow_data[i];
+ _control_data[i] = other._shadow_data[i];
+ _shadow_data[i] = other._shadow_data[i];
}
}
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;
const char *errstr;
- module = mod;
- control_data = 0;
- shadow_data = 0;
- latency_control_port = 0;
- was_activated = false;
+ _module = mod;
+ _control_data = 0;
+ _shadow_data = 0;
+ _latency_control_port = 0;
+ _was_activated = false;
- dfunc = (LADSPA_Descriptor_Function) dlsym (module, "ladspa_descriptor");
+ dfunc = (LADSPA_Descriptor_Function) dlsym (_module, "ladspa_descriptor");
if ((errstr = dlerror()) != NULL) {
error << _("LADSPA: module has no descriptor function.") << endmsg;
throw failed_constructor();
}
- if ((descriptor = dfunc (index)) == 0) {
+ if ((_descriptor = dfunc (index)) == 0) {
error << _("LADSPA: plugin has gone away since discovery!") << endmsg;
throw failed_constructor();
}
_index = index;
- if (LADSPA_IS_INPLACE_BROKEN(descriptor->Properties)) {
- error << string_compose(_("LADSPA: \"%1\" cannot be used, since it cannot do inplace processing"), descriptor->Name) << endmsg;
+ if (LADSPA_IS_INPLACE_BROKEN(_descriptor->Properties)) {
+ error << string_compose(_("LADSPA: \"%1\" cannot be used, since it cannot do inplace processing"), _descriptor->Name) << endmsg;
throw failed_constructor();
}
-
- sample_rate = rate;
- if (descriptor->instantiate == 0) {
+ _sample_rate = rate;
+
+ if (_descriptor->instantiate == 0) {
throw failed_constructor();
}
- if ((handle = descriptor->instantiate (descriptor, rate)) == 0) {
+ if ((_handle = _descriptor->instantiate (_descriptor, rate)) == 0) {
throw failed_constructor();
}
port_cnt = parameter_count();
- control_data = new LADSPA_Data[port_cnt];
- shadow_data = new LADSPA_Data[port_cnt];
+ _control_data = new LADSPA_Data[port_cnt];
+ _shadow_data = new LADSPA_Data[port_cnt];
for (i = 0; i < port_cnt; ++i) {
if (LADSPA_IS_PORT_CONTROL(port_descriptor (i))) {
- connect_port (i, &control_data[i]);
-
+ connect_port (i, &_control_data[i]);
+
if (LADSPA_IS_PORT_OUTPUT(port_descriptor (i)) &&
strcmp (port_names()[i], X_("latency")) == 0) {
- latency_control_port = &control_data[i];
- *latency_control_port = 0;
+ _latency_control_port = &_control_data[i];
+ *_latency_control_port = 0;
}
if (!LADSPA_IS_PORT_INPUT(port_descriptor (i))) {
continue;
}
-
- shadow_data[i] = default_value (i);
+
+ _shadow_data[i] = default_value (i);
}
}
- Plugin::setup_midi_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 */
-
/* XXX who should close a plugin? */
// dlclose (module);
- if (control_data) {
- delete [] control_data;
- }
-
- if (shadow_data) {
- delete [] shadow_data;
- }
-}
-
-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);
- }
- }
+ delete [] _control_data;
+ delete [] _shadow_data;
}
-void
-LadspaPlugin::restore_state (PluginState& state)
+string
+LadspaPlugin::unique_id() const
{
- for (map<uint32_t,float>::iterator i = state.parameters.begin(); i != state.parameters.end(); ++i) {
- set_parameter (i->first, i->second);
- }
+ char buf[32];
+ snprintf (buf, sizeof (buf), "%lu", _descriptor->UniqueID);
+ return string (buf);
}
float
float ret = 0.0f;
bool bounds_given = false;
bool sr_scaling = false;
+ bool earlier_hint = false;
/* defaults - case 1 */
-
+
if (LADSPA_IS_HINT_HAS_DEFAULT(prh[port].HintDescriptor)) {
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(prh[port].HintDescriptor)) {
ret = prh[port].LowerBound;
bounds_given = true;
sr_scaling = true;
}
-
- /* FIXME: add support for logarithmic defaults */
-
+
else if (LADSPA_IS_HINT_DEFAULT_LOW(prh[port].HintDescriptor)) {
- ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f;
+ if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
+ ret = exp(log(prh[port].LowerBound) * 0.75f + log(prh[port].UpperBound) * 0.25f);
+ }
+ else {
+ ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f;
+ }
bounds_given = true;
sr_scaling = true;
}
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(prh[port].HintDescriptor)) {
- ret = prh[port].LowerBound * 0.50f + prh[port].UpperBound * 0.50f;
+ if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
+ ret = exp(log(prh[port].LowerBound) * 0.5f + log(prh[port].UpperBound) * 0.5f);
+ }
+ else {
+ ret = prh[port].LowerBound * 0.5f + prh[port].UpperBound * 0.5f;
+ }
bounds_given = true;
sr_scaling = true;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH(prh[port].HintDescriptor)) {
- ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
+ if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
+ ret = exp(log(prh[port].LowerBound) * 0.25f + log(prh[port].UpperBound) * 0.75f);
+ }
+ else {
+ ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
+ }
bounds_given = true;
sr_scaling = true;
}
}
else if (LADSPA_IS_HINT_DEFAULT_0(prh[port].HintDescriptor)) {
ret = 0.0f;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_1(prh[port].HintDescriptor)) {
ret = 1.0f;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_100(prh[port].HintDescriptor)) {
ret = 100.0f;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_440(prh[port].HintDescriptor)) {
ret = 440.0f;
+ earlier_hint = true;
}
else {
/* no hint found */
ret = 0.0f;
}
}
-
+
/* defaults - case 2 */
else if (LADSPA_IS_HINT_BOUNDED_BELOW(prh[port].HintDescriptor) &&
!LADSPA_IS_HINT_BOUNDED_ABOVE(prh[port].HintDescriptor)) {
-
+
if (prh[port].LowerBound < 0) {
ret = 0.0f;
} else {
bounds_given = true;
sr_scaling = true;
}
-
+
/* defaults - case 3 */
else if (!LADSPA_IS_HINT_BOUNDED_BELOW(prh[port].HintDescriptor) &&
LADSPA_IS_HINT_BOUNDED_ABOVE(prh[port].HintDescriptor)) {
-
+
if (prh[port].UpperBound > 0) {
ret = 0.0f;
} else {
bounds_given = true;
sr_scaling = true;
}
-
+
/* defaults - case 4 */
else if (LADSPA_IS_HINT_BOUNDED_BELOW(prh[port].HintDescriptor) &&
LADSPA_IS_HINT_BOUNDED_ABOVE(prh[port].HintDescriptor)) {
-
+
if (prh[port].LowerBound < 0 && prh[port].UpperBound > 0) {
ret = 0.0f;
} else if (prh[port].LowerBound < 0 && prh[port].UpperBound < 0) {
} else {
ret = prh[port].LowerBound;
}
- bounds_given = true;
+ bounds_given = true;
sr_scaling = true;
}
-
+
/* defaults - case 5 */
-
- if (LADSPA_IS_HINT_SAMPLE_RATE(prh[port].HintDescriptor)) {
+
+ if (LADSPA_IS_HINT_SAMPLE_RATE(prh[port].HintDescriptor) && !earlier_hint) {
if (bounds_given) {
if (sr_scaling) {
- ret *= sample_rate;
+ ret *= _sample_rate;
}
} else {
- ret = sample_rate;
+ ret = _sample_rate;
}
}
return ret;
-}
+}
void
LadspaPlugin::set_parameter (uint32_t which, float val)
{
- if (which < descriptor->PortCount) {
- shadow_data[which] = (LADSPA_Data) val;
- ParameterChanged (which, val); /* EMIT SIGNAL */
+ if (which < _descriptor->PortCount) {
+ _shadow_data[which] = (LADSPA_Data) val;
+#if 0
+ ParameterChanged (Parameter(PluginAutomation, 0, 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 ();
}
+#endif
} 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;
}
}
LadspaPlugin::get_parameter (uint32_t which) const
{
if (LADSPA_IS_PORT_INPUT(port_descriptor (which))) {
- return (float) shadow_data[which];
+ return (float) _shadow_data[which];
} else {
- return (float) control_data[which];
+ return (float) _control_data[which];
}
}
ok = false;
- for (c = 0, x = 0; x < descriptor->PortCount; ++x) {
+ for (c = 0, x = 0; x < _descriptor->PortCount; ++x) {
if (LADSPA_IS_PORT_CONTROL (port_descriptor (x))) {
if (c++ == n) {
ok = true;
for (uint32_t i = 0; i < parameter_count(); ++i){
- if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
+ if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
LADSPA_IS_PORT_CONTROL(port_descriptor (i))){
- child = new XMLNode("port");
+ child = new XMLNode("Port");
snprintf(buf, sizeof(buf), "%u", i);
child->add_property("number", string(buf));
- snprintf(buf, sizeof(buf), "%+f", shadow_data[i]);
+ 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);
- }
- }
}
}
}
int
-LadspaPlugin::set_state(const XMLNode& node)
+LadspaPlugin::set_state (const XMLNode& node, int version)
{
+ if (version < 3000) {
+ return set_state_2X (node, version);
+ }
+
XMLNodeList nodes;
XMLProperty *prop;
XMLNodeConstIterator iter;
return -1;
}
- nodes = node.children ("port");
+ nodes = node.children ("Port");
for(iter = nodes.begin(); iter != nodes.end(); ++iter){
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);
+ latency_compute_run ();
- if (pcontrol) {
- pcontrol->set_control_type (chn, ev, additional);
- }
+ return 0;
+}
- } else {
- error << string_compose(_("LADSPA LadspaPlugin MIDI control specification for port %1 is incomplete, so it has been ignored"), port) << endl;
- }
+int
+LadspaPlugin::set_state_2X (const XMLNode& node, int /* version */)
+{
+ XMLNodeList nodes;
+ XMLProperty *prop;
+ XMLNodeConstIterator iter;
+ XMLNode *child;
+ const char *port;
+ const char *data;
+ uint32_t port_id;
+ LocaleGuard lg (X_("POSIX"));
+
+ if (node.name() != state_node_name()) {
+ error << _("Bad node sent to LadspaPlugin::set_state") << endmsg;
+ return -1;
+ }
+
+ nodes = node.children ("port");
+
+ for(iter = nodes.begin(); iter != nodes.end(); ++iter){
+
+ child = *iter;
+
+ if ((prop = child->property("number")) != 0) {
+ port = prop->value().c_str();
+ } else {
+ warning << _("LADSPA: no ladspa port number") << endmsg;
+ continue;
+ }
+ if ((prop = child->property("value")) != 0) {
+ data = prop->value().c_str();
+ } else {
+ warning << _("LADSPA: no ladspa port data") << endmsg;
+ continue;
}
+
+ sscanf (port, "%" PRIu32, &port_id);
+ set_parameter (port_id, atof(data));
}
latency_compute_run ();
LADSPA_PortRangeHint prh;
prh = port_range_hints()[which];
-
+
if (LADSPA_IS_HINT_BOUNDED_BELOW(prh.HintDescriptor)) {
desc.min_unbound = false;
desc.min_unbound = true;
desc.lower = 0;
}
-
+
if (LADSPA_IS_HINT_BOUNDED_ABOVE(prh.HintDescriptor)) {
desc.max_unbound = false;
desc.max_unbound = true;
desc.upper = 4; /* completely arbitrary */
}
-
+
if (LADSPA_IS_HINT_INTEGER (prh.HintDescriptor)) {
desc.step = 1.0;
desc.smallstep = 0.1;
desc.smallstep = delta / 10000.0f;
desc.largestep = delta/10.0f;
}
-
+
desc.toggled = LADSPA_IS_HINT_TOGGLED (prh.HintDescriptor);
desc.logarithmic = LADSPA_IS_HINT_LOGARITHMIC (prh.HintDescriptor);
desc.sr_dependent = LADSPA_IS_HINT_SAMPLE_RATE (prh.HintDescriptor);
desc.label = port_names()[which];
-
return 0;
}
-
string
-LadspaPlugin::describe_parameter (uint32_t which)
+LadspaPlugin::describe_parameter (Evoral::Parameter which)
{
- if (which < parameter_count()) {
- return port_names()[which];
+ if (which.type() == PluginAutomation && which.id() < parameter_count()) {
+ return port_names()[which.id()];
} else {
return "??";
}
}
-jack_nframes_t
-LadspaPlugin::latency () const
+ARDOUR::nframes_t
+LadspaPlugin::signal_latency () const
{
- if (latency_control_port) {
- return (jack_nframes_t) floor (*latency_control_port);
+ if (_user_latency) {
+ return _user_latency;
+ }
+
+ if (_latency_control_port) {
+ return (nframes_t) floor (*_latency_control_port);
} else {
return 0;
}
}
-set<uint32_t>
+set<Evoral::Parameter>
LadspaPlugin::automatable () const
{
- set<uint32_t> ret;
+ set<Evoral::Parameter> ret;
for (uint32_t i = 0; i < parameter_count(); ++i){
- if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
+ if (LADSPA_IS_PORT_INPUT(port_descriptor (i)) &&
LADSPA_IS_PORT_CONTROL(port_descriptor (i))){
-
- ret.insert (ret.end(), i);
+
+ ret.insert (ret.end(), Evoral::Parameter(PluginAutomation, 0, i));
}
}
}
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 (BufferSet& bufs,
+ ChanMapping in_map, ChanMapping out_map,
+ nframes_t nframes, nframes_t offset)
{
- uint32_t port_index;
- cycles_t then, now;
-
- port_index = 0;
-
- then = get_cycles ();
-
- while (port_index < parameter_count()) {
- if (LADSPA_IS_PORT_AUDIO (port_descriptor(port_index))) {
- if (LADSPA_IS_PORT_INPUT (port_descriptor(port_index))) {
- connect_port (port_index, bufs[min((uint32_t) in_index,nbufs - 1)] + offset);
- //cerr << this << ' ' << name() << " @ " << offset << " inport " << in_index << " = buf "
- // << min((uint32_t)in_index,nbufs) << " = " << &bufs[min((uint32_t)in_index,nbufs)][offset] << endl;
- in_index++;
-
-
- } else if (LADSPA_IS_PORT_OUTPUT (port_descriptor (port_index))) {
- connect_port (port_index, bufs[min((uint32_t) out_index,nbufs - 1)] + offset);
- // cerr << this << ' ' << name() << " @ " << offset << " outport " << out_index << " = buf "
- // << min((uint32_t)out_index,nbufs) << " = " << &bufs[min((uint32_t)out_index,nbufs)][offset] << endl;
- out_index++;
+ cycles_t now;
+ cycles_t then = get_cycles ();
+
+ uint32_t audio_in_index = 0;
+ uint32_t audio_out_index = 0;
+ for (uint32_t port_index = 0; port_index < parameter_count(); ++port_index) {
+ if (LADSPA_IS_PORT_AUDIO(port_descriptor(port_index))) {
+ if (LADSPA_IS_PORT_INPUT(port_descriptor(port_index))) {
+ const uint32_t buf_index = in_map.get(DataType::AUDIO, audio_in_index++);
+ connect_port(port_index, bufs.get_audio(buf_index).data(offset));
+ } else if (LADSPA_IS_PORT_OUTPUT(port_descriptor(port_index))) {
+ const uint32_t buf_index = out_map.get(DataType::AUDIO, audio_out_index++);
+ connect_port(port_index, bufs.get_audio(buf_index).data(offset));
}
}
- port_index++;
}
-
- run (nframes);
+
+ run_in_place (nframes);
now = get_cycles ();
set_cycles ((uint32_t) (now - then));
}
void
-LadspaPlugin::run (jack_nframes_t nframes)
+LadspaPlugin::run_in_place (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))) {
- control_data[i] = shadow_data[i];
+ _control_data[i] = _shadow_data[i];
}
}
- descriptor->run (handle, nframes);
+
+ assert (_was_activated);
+
+ _descriptor->run (_handle, nframes);
}
void
LadspaPlugin::latency_compute_run ()
{
- if (!latency_control_port) {
+ if (!_latency_control_port) {
return;
}
/* we need to run the plugin so that it can set its latency
parameter.
*/
-
+
activate ();
-
+
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);
-
+
/* Note that we've already required that plugins
be able to handle in-place processing.
*/
-
+
port_index = 0;
-
+
while (port_index < parameter_count()) {
if (LADSPA_IS_PORT_AUDIO (port_descriptor (port_index))) {
if (LADSPA_IS_PORT_INPUT (port_descriptor (port_index))) {
}
port_index++;
}
-
- run (bufsize);
+
+ run_in_place (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;
+ return PluginPtr ((Plugin*) 0);
+ } 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);
+ }
+}
+
+LadspaPluginInfo::LadspaPluginInfo()
+{
+ type = ARDOUR::LADSPA;
+}