X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fplugin.cc;h=9b2170c349e49bd362c461fa6200337e5261ecfd;hb=2644aaddb19eda57551129c4e6ca6ca02fdb066a;hp=9fc6c579093d23b2797f7b7ca17cfcaf4e5e98d7;hpb=118175a3a281c7f70649c74f0e1727cbb65010e8;p=ardour.git diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc index 9fc6c57909..9b2170c349 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 @@ -15,9 +15,12 @@ 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 #include @@ -27,334 +30,385 @@ #include #include #include +#include #include -#include -#include -#include -#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" -#include +#ifdef AUDIOUNIT_SUPPORT +#include "ardour/audio_unit.h" +#endif -#include -#include -#include -#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; } + +#ifdef NO_PLUGIN_STATE +static bool seen_get_state_message = false; +static bool seen_set_state_message = false; +#endif + +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 () { } void -Plugin::setup_midi_controls () +Plugin::remove_preset (string name) { - uint32_t port_cnt; + do_remove_preset (name); + _presets.erase (preset_by_label (name)->uri); - port_cnt = parameter_count(); + _last_preset.uri = ""; + _parameter_changed_since_last_preset = false; + PresetRemoved (); /* EMIT SIGNAL */ +} - /* set up a vector of null pointers for the MIDI controls. - we'll fill this in on an as-needed basis. - */ +/** @return PresetRecord with empty URI on failure */ +Plugin::PresetRecord +Plugin::save_preset (string name) +{ + string const uri = do_save_preset (name); - for (uint32_t i = 0; i < port_cnt; ++i) { - midi_controls.push_back (0); + if (!uri.empty()) { + _presets.insert (make_pair (uri, PresetRecord (uri, name))); + PresetAdded (); /* EMIT SIGNAL */ } + + return PresetRecord (uri, name); } -Plugin::~Plugin () +PluginPtr +ARDOUR::find_plugin(Session& session, string identifier, PluginType type) { - for (vector::iterator i = midi_controls.begin(); i != midi_controls.end(); ++i) { - if (*i) { - delete *i; - } + PluginManager& mgr (PluginManager::instance()); + PluginInfoList plugs; + + 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); } -} -MIDI::Controllable * -Plugin::get_nth_midi_control (uint32_t n) -{ - if (n >= parameter_count()) { - return 0; + PluginInfoList::iterator i; + + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->unique_id){ + return (*i)->load (session); + } } - if (midi_controls[n] == 0) { +#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. + */ - Plugin::ParameterDescriptor desc; + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->name){ + return (*i)->load (session); + } + } +#endif - get_parameter_descriptor (n, desc); +#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. + */ - midi_controls[n] = new MIDIPortControl (*this, n, _session.midi_port(), desc.lower, desc.upper, desc.toggled, desc.logarithmic); - } + for (i = plugs.begin(); i != plugs.end(); ++i) { + if (identifier == (*i)->name){ + return (*i)->load (session); + } + } +#endif - return midi_controls[n]; + return PluginPtr ((Plugin*) 0); } -Plugin::MIDIPortControl::MIDIPortControl (Plugin& p, uint32_t port_id, MIDI::Port *port, - float low, float up, bool t, bool loga) - : MIDI::Controllable (port, 0), plugin (p), absolute_port (port_id) +ChanCount +Plugin::output_streams () const { - toggled = t; - logarithmic = loga; - lower = low; - upper = up; - range = upper - lower; - last_written = 0; /* XXX need a good out-of-bound-value */ - setting = false; + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. + */ + return ChanCount::ZERO; } -void -Plugin::MIDIPortControl::set_value (float value) +ChanCount +Plugin::input_streams () const { - if (toggled) { - if (value > 0.5) { - value = 1.0; - } else { - value = 0.0; - } - } else { - - if (!logarithmic) { - value = lower + (range * value); - } else { - float _lower = 0.0f; - if (lower > 0.0f) { - _lower = log(lower); - } + /* LADSPA & VST should not get here because they do not + return "infinite" i/o counts. + */ + return ChanCount::ZERO; +} - value = exp(_lower + log(range) * value); +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; } } - setting = true; - plugin.set_parameter (absolute_port, value); - setting = false; + return 0; } -void -Plugin::MIDIPortControl::send_feedback (float value) +const Plugin::PresetRecord * +Plugin::preset_by_uri (const string& uri) { - - if (!setting && get_midi_feedback()) { - MIDI::byte val; - MIDI::channel_t ch = 0; - MIDI::eventType ev = MIDI::none; - MIDI::byte additional = 0; - MIDI::EventTwoBytes data; - - if (toggled) { - val = (MIDI::byte) (value * 127.0f); - } else { - if (logarithmic) { - value = log(value); - } - - val = (MIDI::byte) (((value - lower) / range) * 127.0f); - } - - if (get_control_info (ch, ev, additional)) { - data.controller_number = additional; - data.value = val; - last_written = val; - - plugin.session().send_midi_message (get_port(), ev, ch, data); - } + map::const_iterator pr = _presets.find (uri); + if (pr != _presets.end()) { + return &pr->second; + } else { + return 0; } - } -MIDI::byte* -Plugin::MIDIPortControl::write_feedback (MIDI::byte* buf, int32_t& bufsize, float value, bool force) +int +Plugin::connect_and_run (BufferSet& bufs, + ChanMapping /*in_map*/, ChanMapping /*out_map*/, + pframes_t /* nframes */, framecnt_t /*offset*/) { - if (get_midi_feedback() && bufsize > 2) { - MIDI::channel_t ch = 0; - MIDI::eventType ev = MIDI::none; - MIDI::byte additional = 0; - - if (get_control_info (ch, ev, additional)) { + if (bufs.count().n_midi() > 0) { - MIDI::byte val; + /* Track notes that we are sending to the plugin */ - if (toggled) { + MidiBuffer& b = bufs.get_midi (0); - val = (MIDI::byte) (value * 127.0f); + _tracker.track (b.begin(), b.end()); - } else { - - if (logarithmic) { - value = log(value); - } - - val = (MIDI::byte) (((value - lower) / range) * 127.0f); - } - - if (val != last_written || force) { - *buf++ = MIDI::controller & ch; - *buf++ = additional; /* controller number */ - *buf++ = val; - last_written = val; - bufsize -= 3; - } + 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 buf; + return 0; } +void +Plugin::realtime_handle_transport_stopped () +{ + resolve_midi (); +} void -Plugin::reset_midi_control (MIDI::Port* port, bool on) +Plugin::realtime_locate () { - MIDI::channel_t chn; - MIDI::eventType ev; - MIDI::byte extra; - - for (vector::iterator i = midi_controls.begin(); i != midi_controls.end(); ++i) { - if (*i == 0) - continue; - (*i)->get_control_info (chn, ev, extra); - if (!on) { - chn = -1; - } - (*i)->midi_rebind (port, chn); - } + resolve_midi (); } void -Plugin::send_all_midi_feedback () +Plugin::monitoring_changed () { - if (_session.get_midi_feedback()) { - float val = 0.0; - uint32_t n = 0; - - for (vector::iterator i = midi_controls.begin(); i != midi_controls.end(); ++i, ++n) { - if (*i == 0) { - continue; - } - - val = (*i)->plugin.get_parameter (n); - (*i)->send_feedback (val); - } - - } + resolve_midi (); } -MIDI::byte* -Plugin::write_midi_feedback (MIDI::byte* buf, int32_t& bufsize) +void +Plugin::resolve_midi () { - if (_session.get_midi_feedback()) { - float val = 0.0; - uint32_t n = 0; - - for (vector::iterator i = midi_controls.begin(); i != midi_controls.end(); ++i, ++n) { - if (*i == 0) { - continue; - } - - val = (*i)->plugin.get_parameter (n); - buf = (*i)->write_feedback (buf, bufsize, val); - } - } + /* 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 (). + */ - return buf; + _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() + +vector +Plugin::get_presets () { - vector labels; - lrdf_uris* set_uris = lrdf_get_setting_uris(unique_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); + vector p; + +#ifndef NO_PLUGIN_STATE + if (!_have_presets) { + find_presets (); + _have_presets = true; } - // GTK2FIX find an equivalent way to do this with a vector (needed by GUI apis) - // labels.unique(); + for (map::const_iterator i = _presets.begin(); i != _presets.end(); ++i) { + p.push_back (i->second); + } +#else + if (!seen_set_state_message) { + info << string_compose (_("Plugin presets are not supported in this build of %1. Consider paying for a full version"), + PROGRAM_NAME) + << endmsg; + } +#endif - return labels; + return p; } +/** Set parameters using a preset */ bool -Plugin::load_preset(const string preset_label) +Plugin::load_preset (PresetRecord r) { - lrdf_defaults* defs = lrdf_get_setting_values(presets[preset_label].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)) { - set_parameter(defs->items[i].pid, defs->items[i].value); - } - } - lrdf_free_setting_values(defs); - } + _last_preset = r; + _parameter_changed_since_last_preset = false; + PresetLoaded (); /* EMIT SIGNAL */ return true; } -bool -Plugin::save_preset (string name, string domain) +void +Plugin::clear_preset () { - lrdf_portvalue portvalues[parameter_count()]; - lrdf_defaults defaults; - 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); - } - } + _last_preset.uri = ""; + _last_preset.label = ""; + _parameter_changed_since_last_preset = 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)); + PresetLoaded (); /* EMIT SIGNAL */ +} - free(lrdf_add_preset(source.c_str(), name.c_str(), unique_id(), &defaults)); +/** @param val `plugin' value */ +void +Plugin::set_parameter (uint32_t which, float) +{ + _parameter_changed_since_last_preset = true; + _session.set_dirty (); + ParameterChanged (which, get_parameter (which)); /* EMIT SIGNAL */ +} - string path = string_compose("%1/.%2", envvar, domain); - if (mkdir(path.c_str(), 0775) && errno != EEXIST) { - warning << string_compose(_("Could not create %1. Preset not saved. (%2)"), path, strerror(errno)) << endmsg; - return false; +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 (); } - - path += "/rdf"; - if (mkdir(path.c_str(), 0775) && errno != EEXIST) { - warning << string_compose(_("Could not create %1. Preset not saved. (%2)"), path, strerror(errno)) << endmsg; - return false; + + p = node.property (X_("last-preset-label")); + if (p) { + _last_preset.label = p->value (); } - - 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; + + p = node.property (X_("parameter-changed-since-last-preset")); + if (p) { + _parameter_changed_since_last_preset = string_is_affirmative (p->value ()); } - return true; + 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")); + +#ifndef NO_PLUGIN_STATE + add_state (root); +#else + if (!seen_get_state_message) { + info << string_compose (_("Saving plugin settings is not supported in this build of %1. Consider paying for the full version"), + PROGRAM_NAME) + << endmsg; + seen_get_state_message = true; + } +#endif + + return *root; +} + +void +Plugin::set_info (PluginInfoPtr info) +{ + _info = info; +} + +