X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fplugin.cc;h=9f39e067874cba9e119018395952ff2e31a30212;hb=5ce7e740c4f4703d13f7db34dd435058cf6b1be3;hp=95629f256150efd36801eeb4a0f690177dbe673a;hpb=4ca1fe7993adf63ea3f35958f63dd20ee546e7ae;p=ardour.git diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc index 95629f2561..9f39e06787 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 @@ -26,205 +30,361 @@ #include #include #include +#include #include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#ifdef HAVE_AUDIOUNITS -#include +#include "pbd/compose.h" +#include "pbd/error.h" +#include "pbd/xml++.h" + +#include "ardour/buffer_set.h" +#include "ardour/chan_count.h" +#include "ardour/chan_mapping.h" +#include "ardour/data_type.h" +#include "ardour/midi_buffer.h" +#include "ardour/midi_state_tracker.h" +#include "ardour/plugin.h" +#include "ardour/plugin_manager.h" +#include "ardour/session.h" +#include "ardour/types.h" + +#ifdef AUDIOUNIT_SUPPORT +#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; +namespace ARDOUR { class AudioEngine; } + +bool +PluginInfo::is_instrument () const +{ + return (n_inputs.n_midi() != 0) && (n_outputs.n_audio() > 0); +} + 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) { + _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096); } 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) { + _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096); } Plugin::~Plugin () { } -vector -Plugin::get_presets() +void +Plugin::remove_preset (string name) { - vector labels; - uint32_t id; - std::string unique (unique_id()); + do_remove_preset (name); + _presets.erase (preset_by_label (name)->uri); - /* XXX problem: AU plugins don't have numeric ID's. - Solution: they have a different method of providing presets. - XXX sub-problem: implement it. - */ + _last_preset.uri = ""; + _parameter_changed_since_last_preset = false; + PresetRemoved (); /* EMIT SIGNAL */ +} - if (!isdigit (unique[0])) { - return labels; +/** @return PresetRecord with empty URI on failure */ +Plugin::PresetRecord +Plugin::save_preset (string name) +{ + string const uri = do_save_preset (name); + + if (!uri.empty()) { + _presets.insert (make_pair (uri, PresetRecord (uri, name))); + PresetAdded (); /* EMIT SIGNAL */ } - id = atol (unique.c_str()); + return PresetRecord (uri, name); +} - lrdf_uris* set_uris = lrdf_get_setting_uris(id); +PluginPtr +ARDOUR::find_plugin(Session& session, string identifier, PluginType type) +{ + PluginManager& mgr (PluginManager::instance()); + PluginInfoList plugs; - 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]; - } + switch (type) { + case ARDOUR::LADSPA: + plugs = mgr.ladspa_plugin_info(); + break; + +#ifdef LV2_SUPPORT + case ARDOUR::LV2: + plugs = mgr.lv2_plugin_info(); + break; +#endif + +#ifdef WINDOWS_VST_SUPPORT + case ARDOUR::Windows_VST: + plugs = mgr.windows_vst_plugin_info(); + break; +#endif + +#ifdef LXVST_SUPPORT + case ARDOUR::LXVST: + plugs = mgr.lxvst_plugin_info(); + break; +#endif + +#ifdef AUDIOUNIT_SUPPORT + case ARDOUR::AudioUnit: + plugs = mgr.au_plugin_info(); + break; +#endif + + default: + return PluginPtr ((Plugin *) 0); + } + + PluginInfoList::iterator i; + + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->unique_id){ + return (*i)->load (session); } - lrdf_free_uris(set_uris); } - // GTK2FIX find an equivalent way to do this with a vector (needed by GUI apis) - // labels.unique(); +#ifdef WINDOWS_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. + */ - return labels; -} + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->name){ + return (*i)->load (session); + } + } +#endif -bool -Plugin::load_preset(const string preset_label) -{ - lrdf_defaults* defs = lrdf_get_setting_values(presets[preset_label].c_str()); +#ifdef LXVST_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. + */ - 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); - } + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->name){ + return (*i)->load (session); } - lrdf_free_setting_values(defs); } +#endif - return true; + return PluginPtr ((Plugin*) 0); } -bool -Plugin::save_preset (string name, string domain) +ChanCount +Plugin::output_streams () const { - lrdf_portvalue portvalues[parameter_count()]; - lrdf_defaults defaults; - uint32_t id; - std::string unique (unique_id()); + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. + */ + return ChanCount::ZERO; +} - /* 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. +ChanCount +Plugin::input_streams () const +{ + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. */ + return ChanCount::ZERO; +} - if (!isdigit (unique[0])) { - return false; +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; + } } - id = atol (unique.c_str()); + return 0; +} - defaults.count = parameter_count(); - defaults.items = portvalues; +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 */ - for (uint32_t i = 0; i < parameter_count(); ++i) { - if (parameter_is_input (i)) { - portvalues[i].pid = i; - portvalues[i].value = get_parameter(i); + 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; } } - 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)); + return 0; +} - free(lrdf_add_preset(source.c_str(), name.c_str(), id, &defaults)); +void +Plugin::realtime_handle_transport_stopped () +{ + resolve_midi (); +} - 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; +void +Plugin::realtime_locate () +{ + resolve_midi (); +} + +void +Plugin::monitoring_changed () +{ + resolve_midi (); +} + +void +Plugin::resolve_midi () +{ + /* 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.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; } - - 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; + + vector p; + for (map::const_iterator i = _presets.begin(); i != _presets.end(); ++i) { + p.push_back (i->second); } - return true; + return p; } -PluginPtr -ARDOUR::find_plugin(Session& session, string identifier, PluginType type) +/** Set parameters using a preset */ +bool +Plugin::load_preset (PresetRecord r) { - PluginManager *mgr = PluginManager::the_manager(); - PluginInfoList plugs; + _last_preset = r; + _parameter_changed_since_last_preset = false; - switch (type) { - case ARDOUR::LADSPA: - plugs = mgr->ladspa_plugin_info(); - break; - -#ifdef HAVE_SLV2 - case ARDOUR::LV2: - plugs = mgr->lv2_plugin_info(); - break; -#endif + PresetLoaded (); /* EMIT SIGNAL */ + return true; +} -#ifdef VST_SUPPORT - case ARDOUR::VST: - plugs = mgr->vst_plugin_info(); - break; -#endif +void +Plugin::clear_preset () +{ + _last_preset.uri = ""; + _last_preset.label = ""; + _parameter_changed_since_last_preset = false; -#ifdef HAVE_AUDIOUNITS - case ARDOUR::AudioUnit: - plugs = mgr->au_plugin_info(); - break; -#endif + PresetLoaded (); /* EMIT SIGNAL */ +} - default: - return PluginPtr ((Plugin *) 0); +/** @param val `plugin' value */ +void +Plugin::set_parameter (uint32_t which, float val) +{ + _parameter_changed_since_last_preset = true; + _session.set_dirty (); + ParameterChanged (which, get_parameter (which)); /* 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 (); } - PluginInfoList::iterator i; + p = node.property (X_("last-preset-label")); + if (p) { + _last_preset.label = p->value (); + } - for (i = plugs.begin(); i != plugs.end(); ++i) { - if (identifier == (*i)->unique_id){ - return (*i)->load (session); - } + p = node.property (X_("parameter-changed-since-last-preset")); + if (p) { + _parameter_changed_since_last_preset = string_is_affirmative (p->value ()); } - - return PluginPtr ((Plugin*) 0); + + 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; +} + +void +Plugin::set_info (PluginInfoPtr info) +{ + _info = info; +} + +