/*
- Copyright (C) 2000-2006 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.
- $Id$
*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
+#include <inttypes.h>
+
#include <vector>
#include <string>
#include <cstdlib>
#include <cstdio> // so libraptor doesn't complain
#include <cmath>
+#ifndef COMPILER_MSVC
#include <dirent.h>
+#endif
#include <sys/stat.h>
#include <cerrno>
+#ifdef HAVE_LRDF
#include <lrdf.h>
+#endif
-#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 "pbd/stacktrace.h"
-#include <midi++/manager.h>
+#include "ardour/session.h"
+#include "ardour/ladspa_plugin.h"
+#include "ardour/buffer_set.h"
+#include "ardour/audio_buffer.h"
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/audioengine.h>
-#include <ardour/ladspa_plugin.h>
-
-#include <pbd/stl_delete.h>
+#include "pbd/stl_delete.h"
#include "i18n.h"
#include <locale.h>
using namespace ARDOUR;
using namespace PBD;
-LadspaPlugin::LadspaPlugin (void *mod, AudioEngine& e, Session& session, uint32_t index, nframes_t rate)
+LadspaPlugin::LadspaPlugin (string module_path, AudioEngine& e, Session& session, uint32_t index, framecnt_t rate)
: Plugin (e, session)
{
- init (mod, index, rate);
+ init (module_path, index, rate);
}
LadspaPlugin::LadspaPlugin (const LadspaPlugin &other)
: Plugin (other)
{
- init (other.module, other._index, other.sample_rate);
+ init (other._module_path, 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, nframes_t rate)
+LadspaPlugin::init (string module_path, uint32_t index, framecnt_t rate)
{
+ void* func;
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_path = module_path;
+ _module = new Glib::Module(_module_path);
+ _control_data = 0;
+ _shadow_data = 0;
+ _latency_control_port = 0;
+ _was_activated = false;
- dfunc = (LADSPA_Descriptor_Function) dlsym (module, "ladspa_descriptor");
+ if (!(*_module)) {
+ error << _("LADSPA: Unable to open module: ") << Glib::Module::get_last_error() << endmsg;
+ delete _module;
+ throw failed_constructor();
+ }
- if ((errstr = dlerror()) != NULL) {
+ if (!_module->get_symbol("ladspa_descriptor", func)) {
error << _("LADSPA: module has no descriptor function.") << endmsg;
throw failed_constructor();
}
- if ((descriptor = dfunc (index)) == 0) {
+ dfunc = (LADSPA_Descriptor_Function)func;
+
+ 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];
+ memset (_control_data, 0, sizeof (LADSPA_Data) * port_cnt);
+ _shadow_data = new LADSPA_Data[port_cnt];
+ memset (_shadow_data, 0, sizeof (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_controls ();
-
latency_compute_run ();
}
deactivate ();
cleanup ();
- GoingAway (); /* EMIT SIGNAL */
-
- /* XXX who should close a plugin? */
-
- // dlclose (module);
+ // glib has internal reference counting on modules so this is ok
+ delete _module;
- if (control_data) {
- delete [] control_data;
- }
+ delete [] _control_data;
+ delete [] _shadow_data;
+}
- if (shadow_data) {
- delete [] shadow_data;
- }
+string
+LadspaPlugin::unique_id() const
+{
+ 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;
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;
+ ret = prh[port].LowerBound * 0.5f + prh[port].UpperBound * 0.5f;
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) {
+
+ if (get_parameter (which) == val) {
+ return;
+ }
+
+ _shadow_data[which] = (LADSPA_Data) val;
+#if 0
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"
+ 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())
<< endmsg;
}
+
+ Plugin::set_parameter (which, val);
}
+/** @return `plugin' value */
float
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;
return 0;
}
-XMLNode&
-LadspaPlugin::get_state()
+void
+LadspaPlugin::add_state (XMLNode* root) const
{
- XMLNode *root = new XMLNode(state_node_name());
XMLNode *child;
char buf[16];
LocaleGuard lg (X_("POSIX"));
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);
}
}
-
- return *root;
}
-bool
-LadspaPlugin::save_preset (string name)
+int
+LadspaPlugin::set_state (const XMLNode& node, int version)
{
- return Plugin::save_preset (name, "ladspa");
+ if (version < 3000) {
+ return set_state_2X (node, version);
+ }
+
+#ifndef NO_PLUGIN_STATE
+ XMLNodeList nodes;
+ XMLProperty *prop;
+ XMLNodeConstIterator iter;
+ XMLNode *child;
+ const char *port;
+ const char *data;
+ uint32_t port_id;
+#endif
+ LocaleGuard lg (X_("POSIX"));
+
+ if (node.name() != state_node_name()) {
+ error << _("Bad node sent to LadspaPlugin::set_state") << endmsg;
+ return -1;
+ }
+
+#ifndef NO_PLUGIN_STATE
+
+ 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));
+ }
+#endif
+
+ latency_compute_run ();
+
+ return Plugin::set_state (node, version);
}
int
-LadspaPlugin::set_state(const XMLNode& node)
+LadspaPlugin::set_state_2X (const XMLNode& node, int /* version */)
{
+#ifndef NO_PLUGIN_STATE
XMLNodeList nodes;
XMLProperty *prop;
XMLNodeConstIterator iter;
const char *port;
const char *data;
uint32_t port_id;
+#endif
LocaleGuard lg (X_("POSIX"));
if (node.name() != state_node_name()) {
return -1;
}
+#ifndef NO_PLUGIN_STATE
nodes = node.children ("port");
for(iter = nodes.begin(); iter != nodes.end(); ++iter){
}
latency_compute_run ();
+#endif
return 0;
}
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 "??";
}
}
-nframes_t
-LadspaPlugin::latency () const
+ARDOUR::framecnt_t
+LadspaPlugin::signal_latency () const
{
- if (latency_control_port) {
- return (nframes_t) floor (*latency_control_port);
+ if (_user_latency) {
+ return _user_latency;
+ }
+
+ if (_latency_control_port) {
+ return (framecnt_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, nframes_t nframes, nframes_t offset)
+LadspaPlugin::connect_and_run (BufferSet& bufs,
+ ChanMapping in_map, ChanMapping out_map,
+ pframes_t nframes, framecnt_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++;
+ Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
+
+ cycles_t now;
+ cycles_t then = get_cycles ();
+
+ BufferSet& silent_bufs = _session.get_silent_buffers(ChanCount(DataType::AUDIO, 1));
+ BufferSet& scratch_bufs = _session.get_scratch_buffers(ChanCount(DataType::AUDIO, 1));
+
+ uint32_t audio_in_index = 0;
+ uint32_t audio_out_index = 0;
+ bool valid;
+ 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++, &valid);
+ connect_port(port_index,
+ valid ? bufs.get_audio(buf_index).data(offset)
+ : silent_bufs.get_audio(0).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++, &valid);
+ connect_port(port_index,
+ valid ? bufs.get_audio(buf_index).data(offset)
+ : scratch_bufs.get_audio(0).data(offset));
}
}
- port_index++;
}
-
- run (nframes);
+
+ run_in_place (nframes);
now = get_cycles ();
set_cycles ((uint32_t) (now - then));
}
}
+boost::shared_ptr<Plugin::ScalePoints>
+LadspaPlugin::get_scale_points(uint32_t port_index) const
+{
+ boost::shared_ptr<Plugin::ScalePoints> ret;
+#ifdef HAVE_LRDF
+ const uint32_t id = atol(unique_id().c_str());
+ lrdf_defaults* points = lrdf_get_scale_values(id, port_index);
+
+ if (!points) {
+ return ret;
+ }
+
+ ret = boost::shared_ptr<Plugin::ScalePoints>(new ScalePoints());
+
+ for (uint32_t i = 0; i < points->count; ++i) {
+ ret->insert(make_pair(points->items[i].label,
+ points->items[i].value));
+ }
+
+ lrdf_free_setting_values(points);
+#endif
+ return ret;
+}
+
void
-LadspaPlugin::run (nframes_t nframes)
+LadspaPlugin::run_in_place (pframes_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 nframes_t bufsize = 1024;
+ const framecnt_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 ();
}
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()));
- }
-
+ PluginPtr plugin (new LadspaPlugin (path, 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;
}
+
+
+void
+LadspaPlugin::find_presets ()
+{
+#ifdef HAVE_LRDF
+ uint32_t id;
+ std::string unique (unique_id());
+
+ if (!isdigit (unique[0])) {
+ return;
+ }
+
+ id = atol (unique.c_str());
+
+ lrdf_uris* set_uris = lrdf_get_setting_uris(id);
+
+ if (set_uris) {
+ for (uint32_t i = 0; i < (uint32_t) set_uris->count; ++i) {
+ if (char* label = lrdf_get_label(set_uris->items[i])) {
+ PresetRecord rec (set_uris->items[i], label);
+ _presets.insert (make_pair (set_uris->items[i], rec));
+ }
+ }
+ lrdf_free_uris(set_uris);
+ }
+#endif
+}
+
+
+bool
+LadspaPlugin::load_preset (PresetRecord r)
+{
+#ifdef HAVE_LRDF
+ lrdf_defaults* defs = lrdf_get_setting_values (r.uri.c_str());
+
+ if (defs) {
+ for (uint32_t i = 0; i < (uint32_t) defs->count; ++i) {
+ if (parameter_is_input (defs->items[i].pid)) {
+ set_parameter(defs->items[i].pid, defs->items[i].value);
+ }
+ }
+ lrdf_free_setting_values(defs);
+ }
+
+ Plugin::load_preset (r);
+#endif
+ return true;
+}
+
+/* XXX: should be in liblrdf */
+static void
+lrdf_remove_preset (const char* /*source*/, const char *setting_uri)
+{
+#ifdef HAVE_LRDF
+ lrdf_statement p;
+ lrdf_statement *q;
+ lrdf_statement *i;
+ char setting_uri_copy[64];
+ char buf[64];
+
+ strncpy(setting_uri_copy, setting_uri, sizeof(setting_uri_copy));
+
+ p.subject = setting_uri_copy;
+ strncpy(buf, LADSPA_BASE "hasPortValue", sizeof(buf));
+ p.predicate = buf;
+ p.object = NULL;
+ q = lrdf_matches(&p);
+
+ p.predicate = NULL;
+ p.object = NULL;
+ for (i = q; i; i = i->next) {
+ p.subject = i->object;
+ lrdf_remove_matches(&p);
+ }
+
+ lrdf_free_statements(q);
+
+ p.subject = NULL;
+ strncpy(buf, LADSPA_BASE "hasSetting", sizeof(buf));
+ p.predicate = buf;
+ p.object = setting_uri_copy;
+ lrdf_remove_matches(&p);
+
+ p.subject = setting_uri_copy;
+ p.predicate = NULL;
+ p.object = NULL;
+ lrdf_remove_matches (&p);
+#endif
+}
+
+void
+LadspaPlugin::do_remove_preset (string name)
+{
+#ifdef HAVE_LRDF
+ string const envvar = preset_envvar ();
+ if (envvar.empty()) {
+ warning << _("Could not locate HOME. Preset not removed.") << endmsg;
+ return;
+ }
+
+ Plugin::PresetRecord const * p = preset_by_label (name);
+ if (!p) {
+ return;
+ }
+
+ string const source = preset_source (envvar);
+ lrdf_remove_preset (source.c_str(), p->uri.c_str ());
+
+ write_preset_file (envvar);
+#endif
+}
+
+string
+LadspaPlugin::preset_envvar () const
+{
+ char* envvar;
+ if ((envvar = getenv ("HOME")) == 0) {
+ return "";
+ }
+
+ return envvar;
+}
+
+string
+LadspaPlugin::preset_source (string envvar) const
+{
+ return string_compose ("file:%1/.ladspa/rdf/ardour-presets.n3", envvar);
+}
+
+bool
+LadspaPlugin::write_preset_file (string envvar)
+{
+#ifdef HAVE_LRDF
+ string path = string_compose("%1/.ladspa", envvar);
+ if (g_mkdir_with_parents (path.c_str(), 0775)) {
+ warning << string_compose(_("Could not create %1. Preset not saved. (%2)"), path, strerror(errno)) << endmsg;
+ return false;
+ }
+
+ path += "/rdf";
+ if (g_mkdir_with_parents (path.c_str(), 0775)) {
+ warning << string_compose(_("Could not create %1. Preset not saved. (%2)"), path, strerror(errno)) << endmsg;
+ return false;
+ }
+
+ string const source = preset_source (envvar);
+
+ if (lrdf_export_by_source (source.c_str(), source.substr(5).c_str())) {
+ warning << string_compose(_("Error saving presets file %1."), source) << endmsg;
+ return false;
+ }
+
+ return true;
+#else
+ return false;
+#endif
+}
+
+string
+LadspaPlugin::do_save_preset (string name)
+{
+#ifdef HAVE_LRDF
+ /* make a vector of pids that are input parameters */
+ vector<int> input_parameter_pids;
+ for (uint32_t i = 0; i < parameter_count(); ++i) {
+ if (parameter_is_input (i)) {
+ input_parameter_pids.push_back (i);
+ }
+ }
+
+ std::string unique (unique_id());
+
+ if (!isdigit (unique[0])) {
+ return "";
+ }
+
+ uint32_t const id = atol (unique.c_str());
+
+ lrdf_defaults defaults;
+ defaults.count = input_parameter_pids.size ();
+ std::vector<lrdf_portvalue> portvalues(input_parameter_pids.size());
+ defaults.items = &portvalues[0];
+
+ for (vector<int>::size_type i = 0; i < input_parameter_pids.size(); ++i) {
+ portvalues[i].pid = input_parameter_pids[i];
+ portvalues[i].value = get_parameter (input_parameter_pids[i]);
+ }
+
+ string const envvar = preset_envvar ();
+ if (envvar.empty()) {
+ warning << _("Could not locate HOME. Preset not saved.") << endmsg;
+ return "";
+ }
+
+ string const source = preset_source (envvar);
+
+ char* uri_char = lrdf_add_preset (source.c_str(), name.c_str(), id, &defaults);
+ string uri (uri_char);
+ free (uri_char);
+
+ if (!write_preset_file (envvar)) {
+ return "";
+ }
+
+ return uri;
+#else
+ return string();
+#endif
+}
+
+LADSPA_PortDescriptor
+LadspaPlugin::port_descriptor (uint32_t i) const
+{
+ if (i < _descriptor->PortCount) {
+ return _descriptor->PortDescriptors[i];
+ }
+
+ warning << "LADSPA plugin port index " << i << " out of range." << endmsg;
+ return 0;
+}
+
+
+
projects / ardour.git / blobdiff