*/
#include <glib.h>
+#include <glibmm/miscutils.h>
+#include <glibmm/fileutils.h>
+
#include "pbd/gstdio_compat.h"
#include "pbd/pthread_utils.h"
#include "ardour/audio_buffer.h"
#include "ardour/buffer_set.h"
+#include "ardour/filesystem_paths.h"
#include "ardour/luabindings.h"
#include "ardour/luaproc.h"
#include "ardour/luascripting.h"
, _lua_dsp (0)
, _script (script)
, _lua_does_channelmapping (false)
+ , _lua_has_inline_display (false)
, _control_data (0)
, _shadow_data (0)
, _has_midi_input (false)
, _lua_dsp (0)
, _script (other.script ())
, _lua_does_channelmapping (false)
+ , _lua_has_inline_display (false)
, _control_data (0)
, _shadow_data (0)
, _has_midi_input (false)
_stats_avg[0] = _stats_avg[1] = _stats_max[0] = _stats_max[1] = _stats_cnt = 0;
#endif
-#ifndef NDEBUG
lua.Print.connect (sigc::mem_fun (*this, &LuaProc::lua_print));
-#endif
// register session object
lua_State* L = lua.getState ();
LuaBindings::stddef (L);
void
LuaProc::lua_print (std::string s) {
std::cout <<"LuaProc: " << s << "\n";
+ PBD::error << "LuaProc: " << s << "\n";
}
bool
LuaProc::load_script ()
{
assert (!_lua_dsp); // don't allow to re-initialize
+ LuaPluginInfoPtr lpi;
// TODO: refine APIs; function arguments..
// - perform channel-map in ardour (silent/scratch buffers) ?
try {
LuaScriptInfoPtr lsi = LuaScripting::script_info (_script);
- LuaPluginInfoPtr lpi (new LuaPluginInfo (lsi));
+ lpi = LuaPluginInfoPtr (new LuaPluginInfo (lsi));
assert (lpi);
set_info (lpi);
_mempool.set_name ("LuaProc: " + lsi->name);
}
}
- luabridge::LuaRef lua_dsp_midi_in = luabridge::getGlobal (L, "dsp_midi_input");
- if (lua_dsp_midi_in.type () == LUA_TFUNCTION) {
+ // query midi i/o
+ luabridge::LuaRef lua_dsp_has_midi_in = luabridge::getGlobal (L, "dsp_has_midi_input");
+ if (lua_dsp_has_midi_in.type () == LUA_TFUNCTION) {
try {
- _has_midi_input = lua_dsp_midi_in ();
+ _has_midi_input = lua_dsp_has_midi_in ();
+ } catch (luabridge::LuaException const& e) {
+ ;
+ }
+ }
+
+ luabridge::LuaRef lua_dsp_has_midi_out = luabridge::getGlobal (L, "dsp_has_midi_output");
+ if (lua_dsp_has_midi_out.type () == LUA_TFUNCTION) {
+ try {
+ _has_midi_output = lua_dsp_has_midi_out ();
} catch (luabridge::LuaException const& e) {
;
}
}
bool
-LuaProc::can_support_io_configuration (const ChanCount& in, ChanCount& out)
+LuaProc::can_support_io_configuration (const ChanCount& in, ChanCount& out, ChanCount* imprecise)
{
- if (in.n_midi() > 0 && !_has_midi_input) {
+ // caller must hold process lock (no concurrent calls to interpreter
+ _output_configs.clear ();
+
+ if (in.n_midi() > 0 && !_has_midi_input && !imprecise) {
return false;
}
return false;
}
- luabridge::LuaRef table = luabridge::getGlobal (L, "table"); //lua std lib
- luabridge::LuaRef tablesort = table["sort"];
- assert (tablesort.isFunction ());
-
luabridge::LuaRef *_iotable = NULL; // can't use reference :(
try {
luabridge::LuaRef iotable = ioconfig ();
- tablesort (iotable);
if (iotable.isTable ()) {
_iotable = new luabridge::LuaRef (iotable);
}
return false;
}
- int32_t audio_in = in.n_audio ();
- int32_t audio_out;
+ bool found = false;
+ bool exact_match = false;
+ const int32_t audio_in = in.n_audio ();
+ int32_t midi_out = _has_midi_output ? 1 : 0;
- if (in.n_midi() > 0 && audio_in == 0) {
- audio_out = 2; // prefer stereo version if available.
- } else {
- audio_out = audio_in;
- }
+ // preferred setting (provided by plugin_insert)
+ assert (out.n_audio () > 0 || midi_out > 0);
+ const int preferred_out = out.n_audio ();
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
assert (i.value ().type () == LUA_TTABLE);
int possible_out = io["audio_out"];
// exact match
- if ((possible_in == audio_in) && (possible_out == audio_out)) {
- out.set (DataType::MIDI, 0);
- out.set (DataType::AUDIO, audio_out);
- return true;
+ if ((possible_in == audio_in) && (possible_out == preferred_out)) {
+ _output_configs.insert (preferred_out);
+ exact_match = true;
+ found = true;
+ break;
}
}
/* now allow potentially "imprecise" matches */
- audio_out = -1;
- bool found = false;
+ int32_t audio_out = -1;
+ float penalty = 9999;
+
+#define FOUNDCFG(nch) { \
+ float p = fabsf ((float)(nch) - preferred_out); \
+ _output_configs.insert (nch); \
+ if ((nch) > preferred_out) { p *= 1.1; } \
+ if (p < penalty) { \
+ audio_out = (nch); \
+ penalty = p; \
+ found = true; \
+ } \
+}
+
+#define ANYTHINGGOES \
+ _output_configs.insert (0);
+
+#define UPTO(nch) { \
+ for (int n = 1; n < nch; ++n) { \
+ _output_configs.insert (n); \
+ } \
+}
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
assert (i.value ().type () == LUA_TTABLE);
int possible_out = io["audio_out"];
if (possible_out == 0) {
+ if (possible_in == 0) {
+ if (_has_midi_output && audio_in == 0) {
+ // special case midi filters & generators
+ audio_out = 0;
+ found = true;
+ break;
+ }
+ }
continue;
}
+
if (possible_in == 0) {
/* no inputs, generators & instruments */
if (possible_out == -1) {
- /* any configuration possible, provide stereo output */
- audio_out = 2;
- found = true;
+ /* any configuration possible, stereo output */
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out == -2) {
/* invalid, should be (0, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out < -2) {
- /* variable number of outputs. -> whatever */
- audio_out = 2;
- found = true;
+ /* variable number of outputs up to -N, */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ UPTO (-possible_out);
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
if (possible_in == -1) {
/* wildcard for input */
if (possible_out == -1) {
- /* out much match in */
- audio_out = audio_in;
- found = true;
+ /* out must match in */
+ FOUNDCFG (audio_in);
} else if (possible_out == -2) {
/* any configuration possible, pick matching */
- audio_out = audio_in;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out < -2) {
/* explicitly variable number of outputs, pick maximum */
- audio_out = -possible_out;
- found = true;
+ FOUNDCFG (max (-possible_out, preferred_out));
+ /* and try min, too, in case the penalty is lower */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ UPTO (-possible_out)
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
if (possible_in == -2) {
-
if (possible_out == -1) {
/* any configuration possible, pick matching */
- audio_out = audio_in;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out == -2) {
/* invalid. interpret as (-1, -1) */
- audio_out = audio_in;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- audio_out = -possible_out;
- found = true;
+ /* invalid, interpret as (<-2, <-2)
+ * variable number of outputs up to -N, */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ UPTO (-possible_out)
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
if (possible_in < -2) {
/* explicit variable number of inputs */
- if (audio_in > -possible_in) {
- /* request is too large */
+ if (audio_in > -possible_in && imprecise != NULL) {
+ // hide inputs ports
+ imprecise->set (DataType::AUDIO, -possible_in);
}
- if (possible_out == -1) {
- /* any output configuration possible, provide stereo out */
- audio_out = 2;
- found = true;
+
+ if (audio_in > -possible_in && imprecise == NULL) {
+ /* request is too large */
+ } else if (possible_out == -1) {
+ /* any output configuration possible */
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out == -2) {
/* invalid. interpret as (<-2, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick stereo */
- audio_out = 2;
- found = true;
+ /* variable number of outputs up to -N, */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ UPTO (-possible_out)
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
if (possible_in && (possible_in == audio_in)) {
/* exact number of inputs ... must match obviously */
if (possible_out == -1) {
- /* any output configuration possible, provide stereo output */
- audio_out = 2;
- found = true;
+ /* any output configuration possible */
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out == -2) {
/* invalid. interpret as (>0, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
+ ANYTHINGGOES;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- audio_out = -possible_out;
- found = true;
+ /* > 0, < -2 is not specified
+ * interpret as up to -N */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ UPTO (-possible_out)
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
+ }
- if (found) {
- break;
+ if (!found && imprecise) {
+ /* try harder */
+ for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
+ assert (i.value ().type () == LUA_TTABLE);
+ luabridge::LuaRef io (i.value ());
+
+ int possible_in = io["audio_in"];
+ int possible_out = io["audio_out"];
+
+ if (possible_out == 0 && possible_in == 0 && _has_midi_output) {
+ assert (audio_in > 0); // no input is handled above
+ // TODO hide audio input from plugin
+ imprecise->set (DataType::AUDIO, 0);
+ audio_out = 0;
+ found = true;
+ continue;
+ }
+
+ assert (possible_in > 0); // all other cases will have been matched above
+ assert (possible_out !=0 || possible_in !=0); // already handled above
+
+ imprecise->set (DataType::AUDIO, possible_in);
+ if (possible_out == -1 || possible_out == -2) {
+ FOUNDCFG (2);
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs, pick maximum */
+ FOUNDCFG (min (-possible_out, preferred_out));
+ } else {
+ /* exact number of outputs */
+ FOUNDCFG (possible_out);
+ }
+ // ideally we'll also find the closest, best matching
+ // input configuration with minimal output penalty...
}
}
return false;
}
- out.set (DataType::MIDI, 0);
- out.set (DataType::AUDIO, audio_out);
+ if (exact_match) {
+ out.set (DataType::MIDI, midi_out);
+ out.set (DataType::AUDIO, preferred_out);
+ } else {
+ out.set (DataType::MIDI, midi_out);
+ out.set (DataType::AUDIO, audio_out);
+ }
return true;
}
}
}
- luabridge::LuaRef lua_midi_tbl (luabridge::newTable (L));
+ luabridge::LuaRef lua_midi_src_tbl (luabridge::newTable (L));
int e = 1; // > 1 port, we merge events (unsorted)
for (uint32_t mp = 0; mp < midi_in; ++mp) {
bool valid;
luabridge::LuaRef lua_midi_event (luabridge::newTable (L));
lua_midi_event["time"] = 1 + (*m).time();
lua_midi_event["data"] = lua_midi_data;
- lua_midi_tbl[e] = lua_midi_event;
+ lua_midi_src_tbl[e] = lua_midi_event;
}
}
}
if (_has_midi_input) {
// XXX TODO This needs a better solution than global namespace
- luabridge::push (L, lua_midi_tbl);
- lua_setglobal (L, "mididata");
+ luabridge::push (L, lua_midi_src_tbl);
+ lua_setglobal (L, "midiin");
}
+ luabridge::LuaRef lua_midi_sink_tbl (luabridge::newTable (L));
+ if (_has_midi_output) {
+ luabridge::push (L, lua_midi_sink_tbl);
+ lua_setglobal (L, "midiout");
+ }
// run the DSP function
(*_lua_dsp)(in_map, out_map, nframes);
+
+ // copy back midi events
+ if (_has_midi_output && lua_midi_sink_tbl.isTable ()) {
+ bool valid;
+ const uint32_t idx = out.get(DataType::MIDI, 0, &valid);
+ if (valid && bufs.count().n_midi() > idx) {
+ MidiBuffer& mbuf = bufs.get_midi(idx);
+ mbuf.silence(0, 0);
+ for (luabridge::Iterator i (lua_midi_sink_tbl); !i.isNil (); ++i) {
+ if (!i.key ().isNumber ()) { continue; }
+ if (!i.value ()["time"].isNumber ()) { continue; }
+ if (!i.value ()["data"].isTable ()) { continue; }
+ luabridge::LuaRef data_tbl (i.value ()["data"]);
+ framepos_t tme = i.value ()["time"];
+ if (tme < 1 || tme > nframes) { continue; }
+ uint8_t data[64];
+ size_t size = 0;
+ for (luabridge::Iterator di (data_tbl); !di.isNil () && size < sizeof(data); ++di, ++size) {
+ data[size] = di.value ();
+ }
+ if (size > 0 && size < 64) {
+ mbuf.push_back(tme - 1, size, data);
+ }
+ }
+
+ }
+ }
}
} catch (luabridge::LuaException const& e) {
+ PBD::error << "LuaException: " << e.what () << "\n";
#ifndef NDEBUG
- printf ("LuaException: %s\n", e.what ());
+ std::cerr << "LuaException: " << e.what () << "\n";
#endif
return -1;
}
{
XMLNode* child;
char buf[32];
- LocaleGuard lg(X_("C"));
+ LocaleGuard lg;
gchar* b64 = g_base64_encode ((const guchar*)_script.c_str (), _script.size ());
std::string b64s (b64);
{
#ifndef NO_PLUGIN_STATE
XMLNodeList nodes;
- XMLProperty *prop;
+ XMLProperty const * prop;
XMLNodeConstIterator iter;
XMLNode *child;
const char *value;
const char *port;
uint32_t port_id;
#endif
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
if (_script.empty ()) {
if (set_script_from_state (node)) {
LuaBindings::common (LG);
LuaBindings::dsp (LG);
-#ifndef NDEBUG
lua_gui->Print.connect (sigc::mem_fun (*this, &LuaProc::lua_print));
-#endif
-
lua_gui->do_command ("function ardour () end");
lua_gui->do_command (_script);
luabridge::push <float *> (LG, _shadow_data);
lua_setglobal (LG, "CtrlPorts");
}
+////////////////////////////////////////////////////////////////////////////////
+
+#include "ardour/search_paths.h"
+#include "sha1.c"
+
+std::string
+LuaProc::preset_name_to_uri (const std::string& name) const
+{
+ std::string uri ("urn:lua:");
+ char hash[41];
+ Sha1Digest s;
+ sha1_init (&s);
+ sha1_write (&s, (const uint8_t *) name.c_str(), name.size ());
+ sha1_write (&s, (const uint8_t *) _script.c_str(), _script.size ());
+ sha1_result_hash (&s, hash);
+ return uri + hash;
+}
+
+std::string
+LuaProc::presets_file () const
+{
+ return string_compose ("lua-%1", _info->unique_id);
+}
+
+XMLTree*
+LuaProc::presets_tree () const
+{
+ XMLTree* t = new XMLTree;
+ std::string p = Glib::build_filename (ARDOUR::user_config_directory (), "presets");
+
+ if (!Glib::file_test (p, Glib::FILE_TEST_IS_DIR)) {
+ if (g_mkdir_with_parents (p.c_str(), 0755) != 0) {
+ error << _("Unable to create LuaProc presets directory") << endmsg;
+ };
+ }
+
+ p = Glib::build_filename (p, presets_file ());
+
+ if (!Glib::file_test (p, Glib::FILE_TEST_EXISTS)) {
+ t->set_root (new XMLNode (X_("LuaPresets")));
+ return t;
+ }
+
+ t->set_filename (p);
+ if (!t->read ()) {
+ delete t;
+ return 0;
+ }
+ return t;
+}
+
+bool
+LuaProc::load_preset (PresetRecord r)
+{
+ boost::shared_ptr<XMLTree> t (presets_tree ());
+ if (t == 0) {
+ return false;
+ }
+
+ XMLNode* root = t->root ();
+ for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
+ XMLProperty const * label = (*i)->property (X_("label"));
+ assert (label);
+ if (label->value() != r.label) {
+ continue;
+ }
+
+ for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
+ if ((*j)->name() == X_("Parameter")) {
+ XMLProperty const * index = (*j)->property (X_("index"));
+ XMLProperty const * value = (*j)->property (X_("value"));
+ assert (index);
+ assert (value);
+ set_parameter (atoi (index->value().c_str()), atof (value->value().c_str ()));
+ }
+ }
+ return true;
+ }
+ return false;
+}
+
+std::string
+LuaProc::do_save_preset (std::string name) {
+
+ boost::shared_ptr<XMLTree> t (presets_tree ());
+ if (t == 0) {
+ return "";
+ }
+
+ std::string uri (preset_name_to_uri (name));
+
+ XMLNode* p = new XMLNode (X_("Preset"));
+ p->add_property (X_("uri"), uri);
+ p->add_property (X_("label"), name);
+
+ for (uint32_t i = 0; i < parameter_count(); ++i) {
+ if (parameter_is_input (i)) {
+ XMLNode* c = new XMLNode (X_("Parameter"));
+ c->add_property (X_("index"), string_compose ("%1", i));
+ c->add_property (X_("value"), string_compose ("%1", get_parameter (i)));
+ p->add_child_nocopy (*c);
+ }
+ }
+ t->root()->add_child_nocopy (*p);
+
+ std::string f = Glib::build_filename (ARDOUR::user_config_directory (), "presets");
+ f = Glib::build_filename (f, presets_file ());
+
+ t->write (f);
+ return uri;
+}
+
+void
+LuaProc::do_remove_preset (std::string name)
+{
+ boost::shared_ptr<XMLTree> t (presets_tree ());
+ if (t == 0) {
+ return;
+ }
+ t->root()->remove_nodes_and_delete (X_("label"), name);
+ std::string f = Glib::build_filename (ARDOUR::user_config_directory (), "presets");
+ f = Glib::build_filename (f, presets_file ());
+ t->write (f);
+}
+
+void
+LuaProc::find_presets ()
+{
+ boost::shared_ptr<XMLTree> t (presets_tree ());
+ if (t) {
+ XMLNode* root = t->root ();
+ for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
+
+ XMLProperty const * uri = (*i)->property (X_("uri"));
+ XMLProperty const * label = (*i)->property (X_("label"));
+
+ assert (uri);
+ assert (label);
+
+ PresetRecord r (uri->value(), label->value(), true);
+ _presets.insert (make_pair (r.uri, r));
+ }
+ }
+}
////////////////////////////////////////////////////////////////////////////////
-#include <glibmm/miscutils.h>
-#include <glibmm/fileutils.h>
LuaPluginInfo::LuaPluginInfo (LuaScriptInfoPtr lsi) {
if (lsi->type != LuaScriptInfo::DSP) {
name = lsi->name;
creator = lsi->author;
category = lsi->category;
- unique_id = "luascript"; // the interpreter is not unique.
+ unique_id = lsi->unique_id;
n_inputs.set (DataType::AUDIO, 1);
n_outputs.set (DataType::AUDIO, 1);
type = Lua;
+
+ _is_instrument = category == "Instrument";
}
PluginPtr
LuaPluginInfo::get_presets (bool /*user_only*/) const
{
std::vector<Plugin::PresetRecord> p;
+ XMLTree* t = new XMLTree;
+ std::string pf = Glib::build_filename (ARDOUR::user_config_directory (), "presets", string_compose ("lua-%1", unique_id));
+ if (Glib::file_test (pf, Glib::FILE_TEST_EXISTS)) {
+ t->set_filename (pf);
+ if (t->read ()) {
+ XMLNode* root = t->root ();
+ for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
+ XMLProperty const * uri = (*i)->property (X_("uri"));
+ XMLProperty const * label = (*i)->property (X_("label"));
+ p.push_back (Plugin::PresetRecord (uri->value(), label->value(), true));
+ }
+ }
+ }
+ delete t;
return p;
}