X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fplugin.cc;h=90e9146af10882e3d9c828cb28c8623094632eaf;hb=afdb298462cd7e6bb4ce866a1714a032c33be917;hp=95629f256150efd36801eeb4a0f690177dbe673a;hpb=4ca1fe7993adf63ea3f35958f63dd20ee546e7ae;p=ardour.git diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc index 95629f2561..90e9146af1 100644 --- a/libs/ardour/plugin.cc +++ b/libs/ardour/plugin.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2000-2002 Paul Davis + Copyright (C) 2000-2002 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 @@ -17,6 +17,10 @@ */ +#ifdef WAF_BUILD +#include "libardour-config.h" +#endif + #include #include @@ -26,162 +30,90 @@ #include #include #include +#include #include -#include -#include -#include +#include "pbd/compose.h" +#include "pbd/error.h" +#include "pbd/xml++.h" -#include -#include -#include -#include -#include -#include +#include "ardour/ardour.h" +#include "ardour/session.h" +#include "ardour/audioengine.h" +#include "ardour/plugin.h" +#include "ardour/ladspa_plugin.h" +#include "ardour/plugin_manager.h" #ifdef HAVE_AUDIOUNITS -#include +#include "ardour/audio_unit.h" #endif -#ifdef HAVE_SLV2 -#include +#ifdef LV2_SUPPORT +#include "ardour/lv2_plugin.h" #endif -#include +#include "pbd/stl_delete.h" #include "i18n.h" #include +using namespace std; using namespace ARDOUR; using namespace PBD; Plugin::Plugin (AudioEngine& e, Session& s) - : _engine (e), _session (s) + : _engine (e) + , _session (s) + , _cycles (0) + , _have_presets (false) + , _have_pending_stop_events (false) + , _parameter_changed_since_last_preset (false) { } Plugin::Plugin (const Plugin& other) - : _engine (other._engine), _session (other._session), _info (other._info) + : StatefulDestructible() + , Latent() + , _engine (other._engine) + , _session (other._session) + , _info (other._info) + , _cycles (0) + , _have_presets (false) + , _have_pending_stop_events (false) + , _parameter_changed_since_last_preset (false) { -} -Plugin::~Plugin () -{ } -vector -Plugin::get_presets() +Plugin::~Plugin () { - vector labels; - uint32_t id; - std::string unique (unique_id()); - - /* XXX problem: AU plugins don't have numeric ID's. - Solution: they have a different method of providing presets. - XXX sub-problem: implement it. - */ - - if (!isdigit (unique[0])) { - return labels; - } - - 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])) { - labels.push_back(label); - presets[label] = set_uris->items[i]; - } - } - lrdf_free_uris(set_uris); - } - - // GTK2FIX find an equivalent way to do this with a vector (needed by GUI apis) - // labels.unique(); - - return labels; } -bool -Plugin::load_preset(const string preset_label) +void +Plugin::remove_preset (string name) { - lrdf_defaults* defs = lrdf_get_setting_values(presets[preset_label].c_str()); + do_remove_preset (name); + _presets.erase (preset_by_label (name)->uri); - 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)) { - set_parameter(defs->items[i].pid, defs->items[i].value); - } - } - lrdf_free_setting_values(defs); - } - - return true; + _last_preset.uri = ""; + _parameter_changed_since_last_preset = false; + PresetRemoved (); /* EMIT SIGNAL */ } -bool -Plugin::save_preset (string name, string domain) +/** @return PresetRecord with empty URI on failure */ +Plugin::PresetRecord +Plugin::save_preset (string name) { - lrdf_portvalue portvalues[parameter_count()]; - lrdf_defaults defaults; - uint32_t id; - std::string unique (unique_id()); - - /* XXX problem: AU plugins don't have numeric ID's. - Solution: they have a different method of providing/saving presets. - XXX sub-problem: implement it. - */ - - if (!isdigit (unique[0])) { - return false; - } - - id = atol (unique.c_str()); + string const uri = do_save_preset (name); - defaults.count = parameter_count(); - defaults.items = portvalues; - - for (uint32_t i = 0; i < parameter_count(); ++i) { - if (parameter_is_input (i)) { - portvalues[i].pid = i; - portvalues[i].value = get_parameter(i); - } - } - - char* envvar; - if ((envvar = getenv ("HOME")) == 0) { - warning << _("Could not locate HOME. Preset not saved.") << endmsg; - return false; - } - - string source(string_compose("file:%1/.%2/rdf/ardour-presets.n3", envvar, domain)); - - free(lrdf_add_preset(source.c_str(), name.c_str(), id, &defaults)); - - string path = string_compose("%1/.%2", envvar, domain); - 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; - } - - 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; + if (!uri.empty()) { + _presets.insert (make_pair (uri, PresetRecord (uri, name))); + PresetAdded (); /* EMIT SIGNAL */ } - return true; + return PresetRecord (uri, name); } PluginPtr @@ -194,8 +126,8 @@ ARDOUR::find_plugin(Session& session, string identifier, PluginType type) case ARDOUR::LADSPA: plugs = mgr->ladspa_plugin_info(); break; - -#ifdef HAVE_SLV2 + +#ifdef LV2_SUPPORT case ARDOUR::LV2: plugs = mgr->lv2_plugin_info(); break; @@ -224,7 +156,167 @@ ARDOUR::find_plugin(Session& session, string identifier, PluginType type) return (*i)->load (session); } } - + +#ifdef VST_SUPPORT + /* hmm, we didn't find it. could be because in older versions of Ardour. + we used to store the name of a VST plugin, not its unique ID. so try + again. + */ + + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->name){ + return (*i)->load (session); + } + } +#endif + return PluginPtr ((Plugin*) 0); } +ChanCount +Plugin::output_streams () const +{ + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. + */ + return ChanCount::ZERO; +} + +ChanCount +Plugin::input_streams () const +{ + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. + */ + return ChanCount::ZERO; +} + +const Plugin::PresetRecord * +Plugin::preset_by_label (const string& label) +{ + // FIXME: O(n) + for (map::const_iterator i = _presets.begin(); i != _presets.end(); ++i) { + if (i->second.label == label) { + return &i->second; + } + } + + return 0; +} + +const Plugin::PresetRecord * +Plugin::preset_by_uri (const string& uri) +{ + map::const_iterator pr = _presets.find (uri); + if (pr != _presets.end()) { + return &pr->second; + } else { + return 0; + } +} + +int +Plugin::connect_and_run (BufferSet& bufs, + ChanMapping in_map, ChanMapping out_map, + pframes_t nframes, framecnt_t offset) +{ + if (bufs.count().n_midi() > 0) { + + /* Track notes that we are sending to the plugin */ + MidiBuffer& b = bufs.get_midi (0); + bool looped; + _tracker.track (b.begin(), b.end(), looped); + + if (_have_pending_stop_events) { + /* Transmit note-offs that are pending from the last transport stop */ + bufs.merge_from (_pending_stop_events, 0); + _have_pending_stop_events = false; + } + } + + return 0; +} + +void +Plugin::realtime_handle_transport_stopped () +{ + /* Create note-offs for any active notes and put them in _pending_stop_events, to be picked + up on the next call to connect_and_run (). + */ + + _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096); + _pending_stop_events.get_midi(0).clear (); + _tracker.resolve_notes (_pending_stop_events.get_midi (0), 0); + _have_pending_stop_events = true; +} + +vector +Plugin::get_presets () +{ + if (!_have_presets) { + find_presets (); + _have_presets = true; + } + + vector p; + for (map::const_iterator i = _presets.begin(); i != _presets.end(); ++i) { + p.push_back (i->second); + } + + return p; +} + +/** Set parameters using a preset */ +bool +Plugin::load_preset (PresetRecord r) +{ + _last_preset = r; + _parameter_changed_since_last_preset = false; + + PresetLoaded (); /* EMIT SIGNAL */ + return true; +} + +/** @param val `plugin' value */ +void +Plugin::set_parameter (uint32_t which, float val) +{ + _parameter_changed_since_last_preset = true; + _session.set_dirty (); + ParameterChanged (which, val); /* EMIT SIGNAL */ +} + +int +Plugin::set_state (const XMLNode& node, int version) +{ + XMLProperty const * p = node.property (X_("last-preset-uri")); + if (p) { + _last_preset.uri = p->value (); + } + + p = node.property (X_("last-preset-label")); + if (p) { + _last_preset.label = p->value (); + } + + p = node.property (X_("parameter-changed-since-last-preset")); + if (p) { + _parameter_changed_since_last_preset = string_is_affirmative (p->value ()); + } + + return 0; +} + +XMLNode & +Plugin::get_state () +{ + XMLNode* root = new XMLNode (state_node_name ()); + LocaleGuard lg (X_("POSIX")); + + root->add_property (X_("last-preset-uri"), _last_preset.uri); + root->add_property (X_("last-preset-label"), _last_preset.label); + root->add_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset ? X_("yes") : X_("no")); + + add_state (root); + return *root; +}