/*
- 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
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 <vector>
#include <string>
#include <dirent.h>
#include <sys/stat.h>
#include <cerrno>
+#include <utility>
#include <lrdf.h>
-#include <pbd/compose.h>
-#include <pbd/error.h>
-#include <pbd/pathscanner.h>
-#include <pbd/xml++.h>
+#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 <midi++/manager.h>
+#ifdef AUDIOUNIT_SUPPORT
+#include "ardour/audio_unit.h"
+#endif
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/audioengine.h>
-#include <ardour/plugin.h>
+#ifdef LV2_SUPPORT
+#include "ardour/lv2_plugin.h"
+#endif
-#include <pbd/stl_delete.h>
+#include "pbd/stl_delete.h"
#include "i18n.h"
#include <locale.h>
+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 ()
{
}
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<MIDIPortControl*>::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 {
- value = lower + (range * value);
-
- if (logarithmic) {
- value = exp(value);
+ /* 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<string, PresetRecord>::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<string, PresetRecord>::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)) {
-
- MIDI::byte val;
+ if (bufs.count().n_midi() > 0) {
- if (toggled) {
+ /* Track notes that we are sending to the plugin */
- val = (MIDI::byte) (value * 127.0f);
+ MidiBuffer& b = bufs.get_midi (0);
+ bool looped;
- } else {
+ _tracker.track (b.begin(), b.end(), looped);
- 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<MIDIPortControl*>::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<MIDIPortControl*>::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<MIDIPortControl*>::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<string>
-Plugin::get_presets()
+vector<Plugin::PresetRecord>
+Plugin::get_presets ()
{
- vector<string> 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);
+ 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();
+ vector<PresetRecord> p;
+ for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
+ p.push_back (i->second);
+ }
- 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)
+/** @param val `plugin' value */
+void
+Plugin::set_parameter (uint32_t which, float val)
{
- 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);
- }
- }
+ _parameter_changed_since_last_preset = true;
+ _session.set_dirty ();
+ ParameterChanged (which, val); /* EMIT SIGNAL */
+}
- char* envvar;
- if ((envvar = getenv ("HOME")) == 0) {
- warning << _("Could not locate HOME. Preset not saved.") << 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 ();
}
-
- string source(string_compose("file:%1/.%2/rdf/ardour-presets.n3", envvar, domain));
- free(lrdf_add_preset(source.c_str(), name.c_str(), unique_id(), &defaults));
-
- 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;
- }
-
- 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"));
+
+ add_state (root);
+ return *root;
+}
+
+void
+Plugin::set_info (PluginInfoPtr info)
+{
+ _info = info;
}
+
+