#include "ardour/plugin.h"
#include "ardour/session.h"
+#include "LuaBridge/LuaBridge.h"
+
#include "i18n.h"
using namespace ARDOUR;
, _mempool ("LuaProc", 1048576) // 1 MB is plenty. (64K would be enough)
, lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool))
, _lua_dsp (0)
- , _lua_params (0)
, _script (script)
, _lua_does_channelmapping (false)
+ , _lua_has_inline_display (false)
, _control_data (0)
, _shadow_data (0)
, _has_midi_input (false)
, _mempool ("LuaProc", 1048576) // 1 MB is plenty. (64K would be enough)
, lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool))
, _lua_dsp (0)
- , _lua_params (0)
, _script (other.script ())
, _lua_does_channelmapping (false)
+ , _lua_has_inline_display (false)
, _control_data (0)
, _shadow_data (0)
, _has_midi_input (false)
#endif
lua.do_command ("collectgarbage();");
delete (_lua_dsp);
- delete (_lua_params);
delete [] _control_data;
delete [] _shadow_data;
}
_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);
LuaBindings::common (L);
LuaBindings::dsp (L);
+ luabridge::getGlobalNamespace (L)
+ .beginNamespace ("Ardour")
+ .beginClass <LuaProc> ("LuaProc")
+ .addFunction ("queue_draw", &LuaProc::queue_draw)
+ .addFunction ("shmem", &LuaProc::instance_shm)
+ .endClass ()
+ .endNamespace ();
+
// add session to global lua namespace
luabridge::push <Session *> (L, &_session);
lua_setglobal (L, "Session");
+ // instance
+ luabridge::push <LuaProc *> (L, this);
+ lua_setglobal (L, "self");
+
// sandbox
lua.do_command ("io = nil os = nil loadfile = nil require = nil dofile = nil package = nil debug = nil");
#if 0
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);
;
}
}
+ lpi->_is_instrument = _has_midi_input;
_ctrl_params.clear ();
+ luabridge::LuaRef lua_render = luabridge::getGlobal (L, "render_inline");
+ if (lua_render.isFunction ()) {
+ _lua_has_inline_display = true;
+ }
+
luabridge::LuaRef lua_params = luabridge::getGlobal (L, "dsp_params");
if (lua_params.isFunction ()) {
if (params.isTable ()) {
- _lua_params = new luabridge::LuaRef (params);
-
for (luabridge::Iterator i (params); !i.isNil (); ++i) {
// required fields
if (!i.key ().isNumber ()) { return false; }
if (!i.value ()["min"].isNumber ()) { return false; }
if (!i.value ()["max"].isNumber ()) { return false; }
+ int pn = i.key ().cast<int> ();
std::string type = i.value ()["type"].cast<std::string> ();
if (type == "input") {
if (!i.value ()["default"].isNumber ()) { return false; }
- _ctrl_params.push_back (std::make_pair (false, i.key ().cast<int> ()));
+ _ctrl_params.push_back (std::make_pair (false, pn));
}
else if (type == "output") {
- _ctrl_params.push_back (std::make_pair (true, i.key ().cast<int> ()));
+ _ctrl_params.push_back (std::make_pair (true, pn));
} else {
return false;
}
- assert (i.key ().cast<int> () == (int) _ctrl_params.size ());
+ assert (pn == (int) _ctrl_params.size ());
+
+ //_param_desc[pn] = boost::shared_ptr<ParameterDescriptor> (new ParameterDescriptor());
+ luabridge::LuaRef lr = i.value ();
+
+ if (type == "input") {
+ _param_desc[pn].normal = lr["default"].cast<float> ();
+ } else {
+ _param_desc[pn].normal = lr["min"].cast<float> (); // output-port, no default
+ }
+ _param_desc[pn].lower = lr["min"].cast<float> ();
+ _param_desc[pn].upper = lr["max"].cast<float> ();
+ _param_desc[pn].toggled = lr["toggled"].isBoolean () && (lr["toggled"]).cast<bool> ();
+ _param_desc[pn].logarithmic = lr["logarithmic"].isBoolean () && (lr["logarithmic"]).cast<bool> ();
+ _param_desc[pn].integer_step = lr["integer"].isBoolean () && (lr["integer"]).cast<bool> ();
+ _param_desc[pn].sr_dependent = lr["ratemult"].isBoolean () && (lr["ratemult"]).cast<bool> ();
+ _param_desc[pn].enumeration = lr["enum"].isBoolean () && (lr["enum"]).cast<bool> ();
+
+ if (lr["unit"].isString ()) {
+ std::string unit = lr["unit"].cast<std::string> ();
+ if (unit == "dB") { _param_desc[pn].unit = ParameterDescriptor::DB; }
+ else if (unit == "Hz") { _param_desc[pn].unit = ParameterDescriptor::HZ; }
+ else if (unit == "Midi Note") { _param_desc[pn].unit = ParameterDescriptor::MIDI_NOTE; }
+ }
+ _param_desc[pn].label = (lr["name"]).cast<std::string> ();
+ _param_desc[pn].scale_points = parse_scale_points (&lr);
+
+ luabridge::LuaRef doc = lr["doc"];
+ if (doc.isString ()) {
+ _param_doc[pn] = doc.cast<std::string> ();
+ } else {
+ _param_doc[pn] = "";
+ }
+ assert (!(_param_desc[pn].toggled && _param_desc[pn].logarithmic));
}
}
}
}
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
+
+ if (in.n_midi() > 0 && !_has_midi_input && !imprecise) {
return false;
}
return false;
}
- int32_t audio_in = in.n_audio ();
+ const int32_t audio_in = in.n_audio ();
int32_t audio_out;
+ int32_t midi_out = 0; // TODO handle _has_midi_output
- 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);
+ audio_out = out.n_audio ();
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
assert (i.value ().type () == LUA_TTABLE);
audio_out = -1;
bool found = false;
+ float penalty = 9999;
+ const int preferred_out = out.n_audio ();
+
+#define FOUNDCFG(nch) { \
+ float p = fabsf ((float)(nch) - preferred_out); \
+ if ((nch) > preferred_out) { p *= 1.1; } \
+ if (p < penalty) { \
+ audio_out = (nch); \
+ penalty = p; \
+ found = true; \
+ } \
+}
+
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
assert (i.value ().type () == LUA_TTABLE);
luabridge::LuaRef io (i.value ());
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);
} else if (possible_out == -2) {
/* invalid, should be (0, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
} 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));
} 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);
} 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));
} else {
/* exact number of outputs */
- audio_out = possible_out;
- found = true;
+ FOUNDCFG (possible_out);
}
}
if (possible_out == -1) {
/* any configuration possible, pick matching */
- audio_out = audio_in;
- found = true;
+ FOUNDCFG (preferred_out);
} else if (possible_out == -2) {
/* invalid. interpret as (-1, -1) */
- audio_out = audio_in;
- found = true;
+ FOUNDCFG (preferred_out);
} 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));
} 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);
} else if (possible_out == -2) {
/* invalid. interpret as (<-2, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
} 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));
} 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);
} else if (possible_out == -2) {
/* invalid. interpret as (>0, -1) */
- audio_out = 2;
- found = true;
+ FOUNDCFG (preferred_out);
} 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));
} 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"];
+
+ 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...
}
}
+
if (!found) {
return false;
}
- out.set (DataType::MIDI, 0);
+ out.set (DataType::MIDI, midi_out); // currently always zero
out.set (DataType::AUDIO, audio_out);
return true;
}
try {
lua_dsp_configure (&in, &out);
} catch (luabridge::LuaException const& e) {
- ;
+ return false;
}
}
(*_lua_dsp)(in_map, out_map, nframes);
}
} 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;
}
void
LuaProc::add_state (XMLNode* root) const
{
+ XMLNode* child;
+ char buf[32];
+ LocaleGuard lg(X_("C"));
+
gchar* b64 = g_base64_encode ((const guchar*)_script.c_str (), _script.size ());
std::string b64s (b64);
g_free (b64);
script_node->add_property (X_("lua"), LUA_VERSION);
script_node->add_content (b64s);
root->add_child_nocopy (*script_node);
+
+ for (uint32_t i = 0; i < parameter_count(); ++i) {
+ if (parameter_is_input(i) && parameter_is_control(i)) {
+ child = new XMLNode("Port");
+ snprintf(buf, sizeof(buf), "%u", i);
+ child->add_property("id", std::string(buf));
+ snprintf(buf, sizeof(buf), "%+f", _shadow_data[i]);
+ child->add_property("value", std::string(buf));
+ root->add_child_nocopy(*child);
+ }
+ }
}
int
int
LuaProc::set_state (const XMLNode& node, int version)
{
+#ifndef NO_PLUGIN_STATE
+ XMLNodeList nodes;
+ XMLProperty *prop;
+ XMLNodeConstIterator iter;
+ XMLNode *child;
+ const char *value;
+ const char *port;
+ uint32_t port_id;
+#endif
+ LocaleGuard lg (X_("C"));
+
if (_script.empty ()) {
if (set_script_from_state (node)) {
return -1;
}
}
+
+#ifndef NO_PLUGIN_STATE
+ if (node.name() != state_node_name()) {
+ error << _("Bad node sent to LuaProc::set_state") << endmsg;
+ return -1;
+ }
+
+ nodes = node.children ("Port");
+ for (iter = nodes.begin(); iter != nodes.end(); ++iter) {
+ child = *iter;
+ if ((prop = child->property("id")) != 0) {
+ port = prop->value().c_str();
+ } else {
+ warning << _("LuaProc: port has no symbol, ignored") << endmsg;
+ continue;
+ }
+ if ((prop = child->property("value")) != 0) {
+ value = prop->value().c_str();
+ } else {
+ warning << _("LuaProc: port has no value, ignored") << endmsg;
+ continue;
+ }
+ sscanf (port, "%" PRIu32, &port_id);
+ set_parameter (port_id, atof(value));
+ }
+#endif
+
return Plugin::set_state (node, version);
}
return 0;
}
int lp = _ctrl_params[port].second;
- luabridge::LuaRef lr = (*_lua_params)[lp];
- return (lr["default"]).cast<float> ();
+ return _param_desc[lp].normal;
}
void
{
assert (port <= parameter_count ());
int lp = _ctrl_params[port].second;
+ const ParameterDescriptor& d (_param_desc.find(lp)->second);
+
+ desc.lower = d.lower;
+ desc.upper = d.upper;
+ desc.normal = d.normal;
+ desc.toggled = d.toggled;
+ desc.logarithmic = d.logarithmic;
+ desc.integer_step = d.integer_step;
+ desc.sr_dependent = d.sr_dependent;
+ desc.enumeration = d.enumeration;
+ desc.unit = d.unit;
+ desc.label = d.label;
+ desc.scale_points = d.scale_points;
- luabridge::LuaRef lr = (*_lua_params)[lp];
- desc.lower = (lr["min"]).cast<float> ();
- desc.upper = (lr["max"]).cast<float> ();
-
- if (_ctrl_params[port].first) {
- desc.normal = desc.lower; // output-port, no default
- } else {
- desc.normal = (lr["default"]).cast<float> ();
- }
-
- desc.toggled = lr["toggled"].isBoolean () && (lr["toggled"]).cast<bool> ();
- desc.logarithmic = lr["logarithmic"].isBoolean () && (lr["logarithmic"]).cast<bool> ();
- desc.integer_step = lr["integer"].isBoolean () && (lr["integer"]).cast<bool> ();
- desc.sr_dependent = lr["ratemult"].isBoolean () && (lr["ratemult"]).cast<bool> ();
- desc.enumeration = lr["enum"].isBoolean () && (lr["enum"]).cast<bool> ();
-
- // TODO check if assignments make sense, e.g
- assert (!(desc.toggled && desc.logarithmic));
-
- if (lr["unit"].isString ()) {
- std::string unit = lr["unit"].cast<std::string> ();
- if (unit == "dB") { desc.unit = ParameterDescriptor::DB; }
- else if (unit == "Hz") { desc.unit = ParameterDescriptor::HZ; }
- else if (unit == "Midi Note") { desc.unit = ParameterDescriptor::MIDI_NOTE; }
- }
-
- desc.label = (lr["name"]).cast<std::string> ();
- desc.scale_points = get_scale_points (port);
desc.update_steps ();
return 0;
}
LuaProc::get_parameter_docs (uint32_t port) const {
assert (port <= parameter_count ());
int lp = _ctrl_params[port].second;
- luabridge::LuaRef lr = (*_lua_params)[lp];
- luabridge::LuaRef doc = lr["doc"];
- if (doc.isString ()) {
- return doc.cast<std::string> ();
- }
- return "";
+ return _param_doc.find(lp)->second;
}
uint32_t
{
if (param.type () == PluginAutomation && param.id () < parameter_count ()) {
int lp = _ctrl_params[param.id ()].second;
- luabridge::LuaRef lr = (*_lua_params)[lp];
- return (lr["name"]).cast<std::string> ();
- } else {
- return "??";
+ return _param_desc[lp].label;
}
+ return "??";
}
void
}
boost::shared_ptr<ScalePoints>
-LuaProc::get_scale_points (uint32_t port) const
+LuaProc::parse_scale_points (luabridge::LuaRef* lr)
{
- int lp = _ctrl_params[port].second;
- luabridge::LuaRef lr = (*_lua_params)[lp];
-
- if (!lr["scalepoints"].isTable()) {
+ if (!(*lr)["scalepoints"].isTable()) {
return boost::shared_ptr<ScalePoints> ();
}
int cnt = 0;
boost::shared_ptr<ScalePoints> rv = boost::shared_ptr<ScalePoints>(new ScalePoints());
- luabridge::LuaRef scalepoints (lr["scalepoints"]);
+ luabridge::LuaRef scalepoints ((*lr)["scalepoints"]);
for (luabridge::Iterator i (scalepoints); !i.isNil (); ++i) {
if (!i.key ().isString ()) { continue; }
return boost::shared_ptr<ScalePoints> ();
}
+boost::shared_ptr<ScalePoints>
+LuaProc::get_scale_points (uint32_t port) const
+{
+ int lp = _ctrl_params[port].second;
+ return _param_desc.find(lp)->second.scale_points;
+}
+
+void
+LuaProc::setup_lua_inline_gui (LuaState *lua_gui)
+{
+ lua_State* LG = lua_gui->getState ();
+ LuaBindings::stddef (LG);
+ LuaBindings::common (LG);
+ LuaBindings::dsp (LG);
+
+ lua_gui->Print.connect (sigc::mem_fun (*this, &LuaProc::lua_print));
+ lua_gui->do_command ("function ardour () end");
+ lua_gui->do_command (_script);
+
+ // TODO think: use a weak-pointer here ?
+ // (the GUI itself uses a shared ptr to this plugin, so we should be good)
+ luabridge::getGlobalNamespace (LG)
+ .beginNamespace ("Ardour")
+ .beginClass <LuaProc> ("LuaProc")
+ .addFunction ("shmem", &LuaProc::instance_shm)
+ .endClass ()
+ .endNamespace ();
+
+ luabridge::push <LuaProc *> (LG, this);
+ lua_setglobal (LG, "self");
+
+ luabridge::push <float *> (LG, _shadow_data);
+ lua_setglobal (LG, "CtrlPorts");
+}
////////////////////////////////////////////////////////////////////////////////
#include <glibmm/miscutils.h>
projects / ardour.git / blobdiff