*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
#include <inttypes.h>
#include <vector>
#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/xml++.h"
+#include "pbd/stacktrace.h"
-#include "midi++/manager.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"
using namespace ARDOUR;
using namespace PBD;
-LadspaPlugin::LadspaPlugin (void *mod, AudioEngine& e, Session& session, uint32_t index, framecnt_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];
}
void
-LadspaPlugin::init (void *mod, uint32_t index, framecnt_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;
+ _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();
}
+ dfunc = (LADSPA_Descriptor_Function)func;
+
if ((_descriptor = dfunc (index)) == 0) {
error << _("LADSPA: plugin has gone away since discovery!") << endmsg;
throw failed_constructor();
port_cnt = parameter_count();
_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))) {
continue;
}
- _shadow_data[i] = default_value (i);
+ _shadow_data[i] = _default_value (i);
}
}
deactivate ();
cleanup ();
- /* XXX who should close a plugin? */
-
- // dlclose (module);
+ // glib has internal reference counting on modules so this is ok
+ delete _module;
delete [] _control_data;
delete [] _shadow_data;
}
float
-LadspaPlugin::default_value (uint32_t port)
+LadspaPlugin::_default_value (uint32_t port) const
{
const LADSPA_PortRangeHint *prh = port_range_hints();
float ret = 0.0f;
}
else if (LADSPA_IS_HINT_DEFAULT_LOW(prh[port].HintDescriptor)) {
- 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;
- }
+ 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)) {
- 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;
- }
+ 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)) {
- 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;
- }
+ ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
bounds_given = true;
sr_scaling = true;
}
LadspaPlugin::set_parameter (uint32_t which, float val)
{
if (which < _descriptor->PortCount) {
+
+ if (get_parameter (which) == val) {
+ return;
+ }
+
_shadow_data[which] = (LADSPA_Data) val;
-#if 0
- ParameterChanged (Parameter(PluginAutomation, 0, which), val); /* EMIT SIGNAL */
+#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
{
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"));
root->add_child_nocopy (*child);
}
}
-
- return *root;
}
int
if (version < 3000) {
return set_state_2X (node, 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){
+ for (iter = nodes.begin(); iter != nodes.end(); ++iter) {
child = *iter;
sscanf (port, "%" PRIu32, &port_id);
set_parameter (port_id, atof(data));
}
+#endif
latency_compute_run ();
- return 0;
+ return Plugin::set_state (node, version);
}
int
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;
}
desc.upper = 4; /* completely arbitrary */
}
- if (LADSPA_IS_HINT_INTEGER (prh.HintDescriptor)) {
- desc.step = 1.0;
- desc.smallstep = 0.1;
- desc.largestep = 10.0;
+ if (LADSPA_IS_HINT_HAS_DEFAULT (prh.HintDescriptor)) {
+ desc.normal = _default_value(which);
} else {
- float delta = desc.upper - desc.lower;
- desc.step = delta / 1000.0f;
- desc.smallstep = delta / 10000.0f;
- desc.largestep = delta/10.0f;
+ /* if there is no explicit hint for the default
+ * value, use lower bound. This is not great but
+ * better than just assuming '0' which may be out-of range.
+ */
+ desc.normal = desc.lower;
}
desc.toggled = LADSPA_IS_HINT_TOGGLED (prh.HintDescriptor);
desc.label = port_names()[which];
+ desc.scale_points = get_scale_points(which);
+ desc.update_steps();
+
return 0;
}
pframes_t nframes, framecnt_t offset)
{
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++);
- connect_port(port_index, bufs.get_audio(buf_index).data(offset));
+ 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++);
- connect_port(port_index, bufs.get_audio(buf_index).data(offset));
+ 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));
}
}
}
}
}
+boost::shared_ptr<ScalePoints>
+LadspaPlugin::get_scale_points(uint32_t port_index) const
+{
+ boost::shared_ptr<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<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_in_place (pframes_t nframes)
{
}
assert (_was_activated);
-
+
_descriptor->run (_handle, nframes);
}
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()));
- }
-
+ PluginPtr plugin (new LadspaPlugin (path, session.engine(), session, index, session.frame_rate()));
plugin->set_info(PluginInfoPtr(new LadspaPluginInfo(*this)));
return plugin;
}
}
-vector<Plugin::PresetRecord>
-LadspaPlugin::get_presets ()
+void
+LadspaPlugin::find_presets ()
{
- vector<PresetRecord> result;
+#ifdef HAVE_LRDF
uint32_t id;
std::string unique (unique_id());
if (!isdigit (unique[0])) {
- return result;
+ return;
}
id = atol (unique.c_str());
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);
- result.push_back(rec);
+ PresetRecord rec (set_uris->items[i], label);
_presets.insert (make_pair (set_uris->items[i], rec));
}
}
lrdf_free_uris(set_uris);
}
-
- return result;
+#endif
}
bool
-LadspaPlugin::load_preset (const string& preset_uri)
+LadspaPlugin::load_preset (PresetRecord r)
{
- lrdf_defaults* defs = lrdf_get_setting_values(preset_uri.c_str());
+#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) {
- // The defs->items[i].pid < defs->count check is to work around
- // a bug in liblrdf that saves invalid values into the presets file.
- if (((uint32_t) defs->items[i].pid < (uint32_t) defs->count) && parameter_is_input (defs->items[i].pid)) {
+ 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;
}
+#ifdef HAVE_LRDF
/* XXX: should be in liblrdf */
static void
-lrdf_remove_preset (const char *source, const char *setting_uri)
+lrdf_remove_preset (const char* /*source*/, const char *setting_uri)
{
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;
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;
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
if ((envvar = getenv ("HOME")) == 0) {
return "";
}
-
+
return 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 true;
+#else
+ return false;
+#endif
}
string
LadspaPlugin::do_save_preset (string name)
{
- lrdf_portvalue portvalues[parameter_count()];
- lrdf_defaults defaults;
+#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 false;
+ return "";
}
uint32_t const id = atol (unique.c_str());
- defaults.count = parameter_count();
- defaults.items = portvalues;
+ lrdf_defaults defaults;
+ defaults.count = input_parameter_pids.size ();
+ std::vector<lrdf_portvalue> portvalues(input_parameter_pids.size());
+ defaults.items = &portvalues[0];
- for (uint32_t i = 0; i < parameter_count(); ++i) {
- if (parameter_is_input (i)) {
- portvalues[i].pid = i;
- portvalues[i].value = get_parameter(i);
- }
+ 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 false;
+ return "";
}
string const source = preset_source (envvar);
}
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