/*
- 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
*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
#include <vector>
#include <string>
#include "ardour/audio_unit.h"
#endif
-#ifdef HAVE_SLV2
+#ifdef LV2_SUPPORT
#include "ardour/lv2_plugin.h"
#endif
#include "i18n.h"
#include <locale.h>
+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 ()
-{
}
-const Plugin::PresetRecord*
-Plugin::preset_by_label(const string& label)
+Plugin::~Plugin ()
{
- // FIXME: O(n)
- for (map<string,PresetRecord>::const_iterator i = presets.begin(); i != presets.end(); ++i) {
- if (i->second.label == label) {
- return &i->second;
- }
- }
- return NULL;
-}
-const Plugin::PresetRecord*
-Plugin::preset_by_uri(const string& uri)
-{
- map<string,PresetRecord>::const_iterator pr = presets.find(uri);
- if (pr != presets.end()) {
- return &pr->second;
- } else {
- return NULL;
- }
}
-vector<Plugin::PresetRecord>
-Plugin::get_presets()
+void
+Plugin::remove_preset (string name)
{
- vector<PresetRecord> result;
- 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 result;
- }
+ do_remove_preset (name);
+ _presets.erase (preset_by_label (name)->uri);
- 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])) {
- PresetRecord rec(set_uris->items[i], label);
- result.push_back(rec);
- presets.insert(std::make_pair(set_uris->items[i], rec));
- }
- }
- lrdf_free_uris(set_uris);
- }
-
- return result;
+ _last_preset.uri = "";
+ _parameter_changed_since_last_preset = false;
+ PresetRemoved (); /* EMIT SIGNAL */
}
-bool
-Plugin::load_preset(const string preset_uri)
+/** @return PresetRecord with empty URI on failure */
+Plugin::PresetRecord
+Plugin::save_preset (string name)
{
- lrdf_defaults* defs = lrdf_get_setting_values(preset_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)) {
- set_parameter(defs->items[i].pid, defs->items[i].value);
- }
- }
- lrdf_free_setting_values(defs);
- }
-
- return true;
-}
-
-bool
-Plugin::save_preset (string uri, string domain)
-{
- 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.
- */
+ string const uri = do_save_preset (name);
- if (!isdigit (unique[0])) {
- return false;
+ if (!uri.empty()) {
+ _presets.insert (make_pair (uri, PresetRecord (uri, name)));
+ PresetAdded (); /* EMIT SIGNAL */
}
- id = atol (unique.c_str());
-
- 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));
-
- map<string,PresetRecord>::const_iterator pr = presets.find(uri);
- if (pr == presets.end()) {
- warning << _("Could not find preset ") << uri << endmsg;
- return false;
- }
- free(lrdf_add_preset(source.c_str(), pr->second.label.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;
- }
-
- return true;
+ return PresetRecord (uri, name);
}
PluginPtr
case ARDOUR::LADSPA:
plugs = mgr->ladspa_plugin_info();
break;
-
-#ifdef HAVE_SLV2
+
+#ifdef LV2_SUPPORT
case ARDOUR::LV2:
plugs = mgr->lv2_plugin_info();
break;
}
}
#endif
-
+
return PluginPtr ((Plugin*) 0);
}
return ChanCount::ZERO;
}
+const Plugin::PresetRecord *
+Plugin::preset_by_label (const string& label)
+{
+ // FIXME: O(n)
+ for (map<string, PresetRecord>::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<string, PresetRecord>::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::PresetRecord>
+Plugin::get_presets ()
+{
+ if (!_have_presets) {
+ find_presets ();
+ _have_presets = true;
+ }
+
+ vector<PresetRecord> p;
+ for (map<string, PresetRecord>::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;
+}
projects / ardour.git / blobdiff