diff options
Diffstat (limited to 'libs/ardour/ladspa_plugin.cc')
| -rw-r--r-- | libs/ardour/ladspa_plugin.cc | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/libs/ardour/ladspa_plugin.cc b/libs/ardour/ladspa_plugin.cc index 5a6e577f2d..38d0d8b944 100644 --- a/libs/ardour/ladspa_plugin.cc +++ b/libs/ardour/ladspa_plugin.cc @@ -17,6 +17,10 @@ */ +#ifdef WAF_BUILD +#include "libardour-config.h" +#endif + #include <inttypes.h> #include <vector> @@ -29,7 +33,9 @@ #include <sys/stat.h> #include <cerrno> +#ifdef HAVE_LRDF #include <lrdf.h> +#endif #include "pbd/compose.h" #include "pbd/error.h" @@ -52,16 +58,16 @@ using namespace std; 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]; @@ -70,25 +76,32 @@ LadspaPlugin::LadspaPlugin (const LadspaPlugin &other) } 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(); @@ -142,9 +155,8 @@ LadspaPlugin::~LadspaPlugin () 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; @@ -629,10 +641,11 @@ LadspaPlugin::print_parameter (uint32_t param, char *buf, uint32_t len) const 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); - boost::shared_ptr<Plugin::ScalePoints> ret; if (!points) { return ret; } @@ -645,6 +658,7 @@ LadspaPlugin::get_scale_points(uint32_t port_index) const } lrdf_free_setting_values(points); +#endif return ret; } @@ -710,17 +724,7 @@ 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())); - } - + PluginPtr plugin (new LadspaPlugin (path, session.engine(), session, index, session.frame_rate())); plugin->set_info(PluginInfoPtr(new LadspaPluginInfo(*this))); return plugin; } @@ -739,6 +743,7 @@ LadspaPluginInfo::LadspaPluginInfo() void LadspaPlugin::find_presets () { +#ifdef HAVE_LRDF uint32_t id; std::string unique (unique_id()); @@ -759,12 +764,14 @@ LadspaPlugin::find_presets () } 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) { @@ -777,6 +784,7 @@ LadspaPlugin::load_preset (PresetRecord r) } Plugin::load_preset (r); +#endif return true; } @@ -784,6 +792,7 @@ LadspaPlugin::load_preset (PresetRecord r) static void lrdf_remove_preset (const char* /*source*/, const char *setting_uri) { +#ifdef HAVE_LRDF lrdf_statement p; lrdf_statement *q; lrdf_statement *i; @@ -817,11 +826,13 @@ lrdf_remove_preset (const char* /*source*/, const char *setting_uri) 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; @@ -837,6 +848,7 @@ LadspaPlugin::do_remove_preset (string name) lrdf_remove_preset (source.c_str(), p->uri.c_str ()); write_preset_file (envvar); +#endif } string @@ -859,6 +871,7 @@ LadspaPlugin::preset_source (string envvar) const 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; @@ -879,11 +892,15 @@ LadspaPlugin::write_preset_file (string envvar) } 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) { @@ -927,6 +944,9 @@ LadspaPlugin::do_save_preset (string name) } return uri; +#else + return string(); +#endif } LADSPA_PortDescriptor |