/*
- 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.
- $Id$
*/
+#define __STDC_FORMAT_MACROS 1
+#include <inttypes.h>
+
#include <vector>
#include <string>
#include <pbd/compose.h>
#include <pbd/error.h>
-#include <pbd/pathscanner.h>
#include <pbd/xml++.h>
#include <midi++/manager.h>
#include <ardour/session.h>
#include <ardour/audioengine.h>
#include <ardour/ladspa_plugin.h>
+#include <ardour/buffer_set.h>
#include <pbd/stl_delete.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;
+ _sample_rate = rate;
- if (descriptor->instantiate == 0) {
+ 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 */
+ GoingAway (); /* EMIT SIGNAL */
/* XXX who should close a plugin? */
// dlclose (module);
- if (control_data) {
- delete [] control_data;
+ 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);
- }
+ if (_shadow_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 */
ret = prh[port].LowerBound;
bounds_given = true;
sr_scaling = true;
+ earlier_hint = true;
}
/* FIXME: add support for logarithmic defaults */
ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f;
bounds_given = true;
sr_scaling = true;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(prh[port].HintDescriptor)) {
ret = prh[port].LowerBound * 0.50f + prh[port].UpperBound * 0.50f;
bounds_given = true;
sr_scaling = true;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH(prh[port].HintDescriptor)) {
ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
bounds_given = true;
sr_scaling = true;
+ earlier_hint = true;
}
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(prh[port].HintDescriptor)) {
ret = prh[port].UpperBound;
bounds_given = true;
sr_scaling = true;
+ earlier_hint = 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 */
/* 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;
}
}
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, 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;
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);
- }
- }
}
}
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 ();
desc.label = port_names()[which];
-
return 0;
}
-
string
-LadspaPlugin::describe_parameter (uint32_t which)
+LadspaPlugin::describe_parameter (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<Parameter>
LadspaPlugin::automatable () const
{
- set<uint32_t> ret;
+ set<Parameter> ret;
for (uint32_t i = 0; i < parameter_count(); ++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(), Parameter(PluginAutomation, 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, uint32_t& in_index, uint32_t& out_index, nframes_t nframes, nframes_t offset)
{
- uint32_t port_index;
+ uint32_t port_index = 0;
cycles_t then, now;
- port_index = 0;
-
then = get_cycles ();
+ const uint32_t nbufs = bufs.count().n_audio();
+
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)] + offset);
+ const size_t index = min(in_index, nbufs - 1);
+ connect_port (port_index, bufs.get_audio(index).data(nframes, 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)] + offset);
+ const size_t index = min(out_index,nbufs - 1);
+ connect_port (port_index, bufs.get_audio(index).data(nframes, 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++;
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);
+ _descriptor->run (_handle, nframes);
}
void
LadspaPlugin::latency_compute_run ()
{
- if (!latency_control_port) {
+ if (!_latency_control_port) {
return;
}
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);
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;
+ } 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);
+ }
+}