*
*/
#include <cstring>
+#include <vamp-hostsdk/PluginLoader.h>
-#include "pbd/error.h"
#include "pbd/compose.h"
+#include "pbd/error.h"
+#include "pbd/failed_constructor.h"
#include "ardour/lua_api.h"
#include "ardour/luaproc.h"
#include "ardour/luascripting.h"
#include "ardour/plugin.h"
#include "ardour/plugin_insert.h"
+#include "ardour/plugin_manager.h"
+#include "ardour/readable.h"
-#include "i18n.h"
+#include "LuaBridge/LuaBridge.h"
+
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace std;
+int
+ARDOUR::LuaAPI::datatype_ctor_null (lua_State *L)
+{
+ DataType dt (DataType::NIL);
+ luabridge::Stack <DataType>::push (L, dt);
+ return 1;
+}
+
+int
+ARDOUR::LuaAPI::datatype_ctor_audio (lua_State *L)
+{
+ DataType dt (DataType::AUDIO);
+ // NB luabridge will copy construct the object and manage lifetime.
+ luabridge::Stack <DataType>::push (L, dt);
+ return 1;
+}
+
+int
+ARDOUR::LuaAPI::datatype_ctor_midi (lua_State *L)
+{
+ DataType dt (DataType::MIDI);
+ luabridge::Stack <DataType>::push (L, dt);
+ return 1;
+}
+
+boost::shared_ptr<Processor>
+ARDOUR::LuaAPI::nil_processor ()
+{
+ return boost::shared_ptr<Processor> ();
+}
+
boost::shared_ptr<Processor>
ARDOUR::LuaAPI::new_luaproc (Session *s, const string& name)
{
if (!s) {
- return boost::shared_ptr<Processor> (0);
+ return boost::shared_ptr<Processor> ();
}
LuaScriptInfoPtr spi;
ARDOUR::LuaScriptList & _scripts (LuaScripting::instance ().scripts (LuaScriptInfo::DSP));
- for (LuaScriptList::const_iterator s = _scripts.begin(); s != _scripts.end(); ++s) {
- if (name == (*s)->name) {
- spi = *s;
+ for (LuaScriptList::const_iterator i = _scripts.begin (); i != _scripts.end (); ++i) {
+ if (name == (*i)->name) {
+ spi = *i;
break;
}
}
PluginPtr p;
try {
- LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
+ LuaPluginInfoPtr lpi (new LuaPluginInfo (spi));
p = (lpi->load (*s));
} catch (...) {
warning << _("Failed to instantiate Lua Processor\n");
return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
}
+
+PluginInfoList
+ARDOUR::LuaAPI::list_plugins ()
+{
+ PluginManager& manager = PluginManager::instance ();
+ PluginInfoList all_plugs;
+ all_plugs.insert (all_plugs.end (), manager.ladspa_plugin_info ().begin (), manager.ladspa_plugin_info ().end ());
+ all_plugs.insert (all_plugs.end (), manager.lua_plugin_info ().begin (), manager.lua_plugin_info ().end ());
+#ifdef WINDOWS_VST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.windows_vst_plugin_info ().begin (), manager.windows_vst_plugin_info ().end ());
+#endif
+#ifdef MACVST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.mac_vst_plugin_info ().begin (), manager.mac_vst_plugin_info ().end ());
+#endif
+#ifdef LXVST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.lxvst_plugin_info ().begin (), manager.lxvst_plugin_info ().end ());
+#endif
+#ifdef AUDIOUNIT_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.au_plugin_info ().begin (), manager.au_plugin_info ().end ());
+#endif
+#ifdef LV2_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.lv2_plugin_info ().begin (), manager.lv2_plugin_info ().end ());
+#endif
+ all_plugs.insert (all_plugs.end (), manager.lua_plugin_info ().begin (), manager.lua_plugin_info ().end ());
+
+ return all_plugs;
+}
+
+PluginInfoPtr
+ARDOUR::LuaAPI::new_plugin_info (const string& name, ARDOUR::PluginType type)
+{
+ PluginManager& manager = PluginManager::instance ();
+ PluginInfoList all_plugs;
+ all_plugs.insert (all_plugs.end (), manager.ladspa_plugin_info ().begin (), manager.ladspa_plugin_info ().end ());
+ all_plugs.insert (all_plugs.end (), manager.lua_plugin_info ().begin (), manager.lua_plugin_info ().end ());
+#ifdef WINDOWS_VST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.windows_vst_plugin_info ().begin (), manager.windows_vst_plugin_info ().end ());
+#endif
+#ifdef MACVST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.mac_vst_plugin_info ().begin (), manager.mac_vst_plugin_info ().end ());
+#endif
+#ifdef LXVST_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.lxvst_plugin_info ().begin (), manager.lxvst_plugin_info ().end ());
+#endif
+#ifdef AUDIOUNIT_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.au_plugin_info ().begin (), manager.au_plugin_info ().end ());
+#endif
+#ifdef LV2_SUPPORT
+ all_plugs.insert (all_plugs.end (), manager.lv2_plugin_info ().begin (), manager.lv2_plugin_info ().end ());
+#endif
+ all_plugs.insert (all_plugs.end (), manager.lua_plugin_info ().begin (), manager.lua_plugin_info ().end ());
+
+ for (PluginInfoList::const_iterator i = all_plugs.begin (); i != all_plugs.end (); ++i) {
+ if (((*i)->name == name || (*i)->unique_id == name) && (*i)->type == type) {
+ return *i;
+ }
+ }
+ return PluginInfoPtr ();
+}
+
+boost::shared_ptr<Processor>
+ARDOUR::LuaAPI::new_plugin (Session *s, const string& name, ARDOUR::PluginType type, const string& preset)
+{
+ if (!s) {
+ return boost::shared_ptr<Processor> ();
+ }
+
+ PluginInfoPtr pip = new_plugin_info (name, type);
+
+ if (!pip) {
+ return boost::shared_ptr<Processor> ();
+ }
+
+ PluginPtr p = pip->load (*s);
+ if (!p) {
+ return boost::shared_ptr<Processor> ();
+ }
+
+ if (!preset.empty ()) {
+ const Plugin::PresetRecord *pr = p->preset_by_label (preset);
+ if (pr) {
+ p->load_preset (*pr);
+ }
+ }
+
+ return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
+}
+
+bool
+ARDOUR::LuaAPI::set_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, float val)
+{
+ boost::shared_ptr<Plugin> plugin = pi->plugin ();
+ if (!plugin) { return false; }
+
+ bool ok=false;
+ uint32_t controlid = plugin->nth_parameter (which, ok);
+ if (!ok) { return false; }
+ if (!plugin->parameter_is_input (controlid)) { return false; }
+
+ ParameterDescriptor pd;
+ if (plugin->get_parameter_descriptor (controlid, pd) != 0) { return false; }
+ if (val < pd.lower || val > pd.upper) { return false; }
+
+ boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter (PluginAutomation, 0, controlid));
+ c->set_value (val, PBD::Controllable::NoGroup);
+ return true;
+}
+
+float
+ARDOUR::LuaAPI::get_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, bool &ok)
+{
+ ok=false;
+ boost::shared_ptr<Plugin> plugin = pi->plugin ();
+ if (!plugin) { return 0; }
+ uint32_t controlid = plugin->nth_parameter (which, ok);
+ if (!ok) { return 0; }
+ return plugin->get_parameter ( controlid );
+}
+
+bool
+ARDOUR::LuaAPI::set_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, float val)
+{
+ boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
+ if (!pi) { return false; }
+ return set_plugin_insert_param (pi, which, val);
+}
+
+float
+ARDOUR::LuaAPI::get_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, bool &ok)
+{
+ ok=false;
+ boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
+ if (!pi) { return false; }
+ return get_plugin_insert_param (pi, which, ok);
+}
+
+bool
+ARDOUR::LuaAPI::reset_processor_to_default ( boost::shared_ptr<Processor> proc )
+{
+ boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
+ if (pi) {
+ pi->reset_parameters_to_default();
+ return true;
+ }
+ return false;
+}
+
+int
+ARDOUR::LuaAPI::plugin_automation (lua_State *L)
+{
+ typedef boost::shared_ptr<Processor> T;
+
+ int top = lua_gettop (L);
+ if (top < 2) {
+ return luaL_argerror (L, 1, "invalid number of arguments, :plugin_automation (plugin, parameter_number)");
+ }
+ T* const p = luabridge::Userdata::get<T> (L, 1, false);
+ uint32_t which = luabridge::Stack<uint32_t>::get (L, 2);
+ if (!p) {
+ return luaL_error (L, "Invalid pointer to Ardour:Processor");
+ }
+ boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (*p);
+ if (!pi) {
+ return luaL_error (L, "Given Processor is not a Plugin Insert");
+ }
+ boost::shared_ptr<Plugin> plugin = pi->plugin ();
+ if (!plugin) {
+ return luaL_error (L, "Given Processor is not a Plugin");
+ }
+
+ bool ok=false;
+ uint32_t controlid = plugin->nth_parameter (which, ok);
+ if (!ok) {
+ return luaL_error (L, "Invalid Parameter");
+ }
+ if (!plugin->parameter_is_input (controlid)) {
+ return luaL_error (L, "Given Parameter is not an input");
+ }
+
+ ParameterDescriptor pd;
+ if (plugin->get_parameter_descriptor (controlid, pd) != 0) {
+ return luaL_error (L, "Cannot describe parameter");
+ }
+
+ boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter (PluginAutomation, 0, controlid));
+
+ luabridge::Stack<boost::shared_ptr<AutomationList> >::push (L, c->alist ());
+ luabridge::Stack<boost::shared_ptr<Evoral::ControlList> >::push (L, c->list ());
+ luabridge::Stack<ParameterDescriptor>::push (L, pd);
+ return 3;
+}
+
+int
+ARDOUR::LuaAPI::sample_to_timecode (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 3) {
+ return luaL_argerror (L, 1, "invalid number of arguments sample_to_timecode (TimecodeFormat, sample_rate, sample)");
+ }
+ typedef Timecode::TimecodeFormat T;
+ T tf = luabridge::Stack<T>::get (L, 1);
+ double sample_rate = luabridge::Stack<double>::get (L, 2);
+ int64_t sample = luabridge::Stack<int64_t>::get (L, 3);
+
+ Timecode::Time timecode;
+
+ Timecode::sample_to_timecode (
+ sample, timecode, false, false,
+ Timecode::timecode_to_frames_per_second (tf),
+ Timecode::timecode_has_drop_frames (tf),
+ sample_rate,
+ 0, false, 0);
+
+ luabridge::Stack<uint32_t>::push (L, timecode.hours);
+ luabridge::Stack<uint32_t>::push (L, timecode.minutes);
+ luabridge::Stack<uint32_t>::push (L, timecode.seconds);
+ luabridge::Stack<uint32_t>::push (L, timecode.frames);
+ return 4;
+}
+
+int
+ARDOUR::LuaAPI::timecode_to_sample (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 6) {
+ return luaL_argerror (L, 1, "invalid number of arguments sample_to_timecode (TimecodeFormat, sample_rate, hh, mm, ss, ff)");
+ }
+ typedef Timecode::TimecodeFormat T;
+ T tf = luabridge::Stack<T>::get (L, 1);
+ double sample_rate = luabridge::Stack<double>::get (L, 2);
+ int hh = luabridge::Stack<int>::get (L, 3);
+ int mm = luabridge::Stack<int>::get (L, 4);
+ int ss = luabridge::Stack<int>::get (L, 5);
+ int ff = luabridge::Stack<int>::get (L, 6);
+
+ Timecode::Time timecode;
+ timecode.negative = false;
+ timecode.hours = hh;
+ timecode.minutes = mm;
+ timecode.seconds = ss;
+ timecode.frames = ff;
+ timecode.subframes = 0;
+ timecode.rate = Timecode::timecode_to_frames_per_second (tf);
+ timecode.drop = Timecode::timecode_has_drop_frames (tf);
+
+ int64_t sample;
+
+ Timecode::timecode_to_sample (
+ timecode, sample, false, false,
+ sample_rate, 0, false, 0);
+
+ luabridge::Stack<int64_t>::push (L, sample);
+ return 1;
+}
+
+int
+ARDOUR::LuaAPI::sample_to_timecode_lua (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 2) {
+ return luaL_argerror (L, 1, "invalid number of arguments sample_to_timecode (sample)");
+ }
+ Session const* const s = luabridge::Userdata::get <Session> (L, 1, true);
+ int64_t sample = luabridge::Stack<int64_t>::get (L, 2);
+
+ Timecode::Time timecode;
+
+ Timecode::sample_to_timecode (
+ sample, timecode, false, false,
+ s->timecode_frames_per_second (),
+ s->timecode_drop_frames (),
+ s->sample_rate (),
+ 0, false, 0);
+
+ luabridge::Stack<uint32_t>::push (L, timecode.hours);
+ luabridge::Stack<uint32_t>::push (L, timecode.minutes);
+ luabridge::Stack<uint32_t>::push (L, timecode.seconds);
+ luabridge::Stack<uint32_t>::push (L, timecode.frames);
+ return 4;
+}
+int
+ARDOUR::LuaAPI::timecode_to_sample_lua (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 5) {
+ return luaL_argerror (L, 1, "invalid number of arguments sample_to_timecode (hh, mm, ss, ff)");
+ }
+ Session const* const s = luabridge::Userdata::get <Session> (L, 1, true);
+ int hh = luabridge::Stack<int>::get (L, 2);
+ int mm = luabridge::Stack<int>::get (L, 3);
+ int ss = luabridge::Stack<int>::get (L, 4);
+ int ff = luabridge::Stack<int>::get (L, 5);
+
+ Timecode::Time timecode;
+ timecode.negative = false;
+ timecode.hours = hh;
+ timecode.minutes = mm;
+ timecode.seconds = ss;
+ timecode.frames = ff;
+ timecode.subframes = 0;
+ timecode.rate = s->timecode_frames_per_second ();
+ timecode.drop = s->timecode_drop_frames ();
+
+ int64_t sample;
+
+ Timecode::timecode_to_sample (
+ timecode, sample, false, false,
+ s->sample_rate (),
+ 0, false, 0);
+
+ luabridge::Stack<int64_t>::push (L, sample);
+ return 1;
+}
+
+int
+ARDOUR::LuaOSC::Address::send (lua_State *L)
+{
+ Address * const luaosc = luabridge::Userdata::get <Address> (L, 1, false);
+ if (!luaosc) {
+ return luaL_error (L, "Invalid pointer to OSC.Address");
+ }
+ if (!luaosc->_addr) {
+ return luaL_error (L, "Invalid Destination Address");
+ }
+
+ int top = lua_gettop (L);
+ if (top < 3) {
+ return luaL_argerror (L, 1, "invalid number of arguments, :send (path, type, ...)");
+ }
+
+ const char* path = luaL_checkstring (L, 2);
+ const char* type = luaL_checkstring (L, 3);
+ assert (path && type);
+
+ if ((int) strlen (type) != top - 3) {
+ return luaL_argerror (L, 3, "type description does not match arguments");
+ }
+
+ lo_message msg = lo_message_new ();
+
+ for (int i = 4; i <= top; ++i) {
+ char t = type[i - 4];
+ int lt = lua_type (L, i);
+ int ok = -1;
+ switch (lt) {
+ case LUA_TSTRING:
+ if (t == LO_STRING) {
+ ok = lo_message_add_string (msg, luaL_checkstring (L, i));
+ } else if (t == LO_CHAR) {
+ char c = luaL_checkstring (L, i) [0];
+ ok = lo_message_add_char (msg, c);
+ }
+ break;
+ case LUA_TBOOLEAN:
+ if (t == LO_TRUE || t == LO_FALSE) {
+ if (lua_toboolean (L, i)) {
+ ok = lo_message_add_true (msg);
+ } else {
+ ok = lo_message_add_false (msg);
+ }
+ }
+ break;
+ case LUA_TNUMBER:
+ if (t == LO_INT32) {
+ ok = lo_message_add_int32 (msg, (int32_t) luaL_checkinteger (L, i));
+ }
+ else if (t == LO_FLOAT) {
+ ok = lo_message_add_float (msg, (float) luaL_checknumber (L, i));
+ }
+ else if (t == LO_DOUBLE) {
+ ok = lo_message_add_double (msg, (double) luaL_checknumber (L, i));
+ }
+ else if (t == LO_INT64) {
+ ok = lo_message_add_double (msg, (int64_t) luaL_checknumber (L, i));
+ }
+ break;
+ default:
+ break;
+ }
+ if (ok != 0) {
+ return luaL_argerror (L, i, "type description does not match parameter");
+ }
+ }
+
+ int rv = lo_send_message (luaosc->_addr, path, msg);
+ lo_message_free (msg);
+ luabridge::Stack<bool>::push (L, (rv == 0));
+ return 1;
+}
+
+static double hue2rgb (const double p, const double q, double t) {
+ if (t < 0.0) t += 1.0;
+ if (t > 1.0) t -= 1.0;
+ if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
+ if (t < 1.0 / 2.0) return q;
+ if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
+ return p;
+}
+
+int
+ARDOUR::LuaAPI::hsla_to_rgba (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 3) {
+ return luaL_argerror (L, 1, "invalid number of arguments, :hsla_to_rgba (h, s, l [,a])");
+ }
+ double h = luabridge::Stack<double>::get (L, 1);
+ double s = luabridge::Stack<double>::get (L, 2);
+ double l = luabridge::Stack<double>::get (L, 3);
+ double a = 1.0;
+ if (top > 3) {
+ a = luabridge::Stack<double>::get (L, 4);
+ }
+
+ // we can't use Gtkmm2ext::hsva_to_color here
+ // besides we want HSL not HSV and without intermediate
+ // color_to_rgba (rgba_to_color ())
+ double r, g, b;
+ const double cq = l < 0.5 ? l * (1 + s) : l + s - l * s;
+ const double cp = 2.f * l - cq;
+ r = hue2rgb (cp, cq, h + 1.0 / 3.0);
+ g = hue2rgb (cp, cq, h);
+ b = hue2rgb (cp, cq, h - 1.0 / 3.0);
+
+ luabridge::Stack<double>::push (L, r);
+ luabridge::Stack<double>::push (L, g);
+ luabridge::Stack<double>::push (L, b);
+ luabridge::Stack<double>::push (L, a);
+ return 4;
+}
+
+std::string
+ARDOUR::LuaAPI::ascii_dtostr (const double d)
+{
+ gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
+ g_ascii_dtostr (buf, sizeof(buf), d);
+ return std::string (buf);
+}
+
+int
+ARDOUR::LuaAPI::color_to_rgba (lua_State *L)
+{
+ int top = lua_gettop (L);
+ if (top < 1) {
+ return luaL_argerror (L, 1, "invalid number of arguments, color_to_rgba (uint32_t)");
+ }
+ uint32_t color = luabridge::Stack<uint32_t>::get (L, 1);
+ double r, g, b, a;
+
+ /* libardour is no user of libcanvas, otherwise
+ * we could just call
+ * Gtkmm2ext::color_to_rgba (color, r, g, b, a);
+ */
+ r = ((color >> 24) & 0xff) / 255.0;
+ g = ((color >> 16) & 0xff) / 255.0;
+ b = ((color >> 8) & 0xff) / 255.0;
+ a = ((color >> 0) & 0xff) / 255.0;
+
+ luabridge::Stack <double>::push (L, r);
+ luabridge::Stack <double>::push (L, g);
+ luabridge::Stack <double>::push (L, b);
+ luabridge::Stack <double>::push (L, a);
+ return 4;
+}
+
+int
+ARDOUR::LuaAPI::build_filename (lua_State *L)
+{
+ std::vector<std::string> elem;
+ int top = lua_gettop (L);
+ if (top < 1) {
+ return luaL_argerror (L, 1, "invalid number of arguments, build_filename (path, ...)");
+ }
+ for (int i = 1; i <= top; ++i) {
+ int lt = lua_type (L, i);
+ if (lt != LUA_TSTRING) {
+ return luaL_argerror (L, i, "invalid argument type, expected string");
+ }
+ elem.push_back (luaL_checkstring (L, i));
+ }
+
+ luabridge::Stack<std::string>::push (L, Glib::build_filename (elem));
+ return 1;
+}
+
+luabridge::LuaRef::Proxy&
+luabridge::LuaRef::Proxy::clone_instance (const void* classkey, void* p) {
+ lua_rawgeti (m_L, LUA_REGISTRYINDEX, m_tableRef);
+ lua_rawgeti (m_L, LUA_REGISTRYINDEX, m_keyRef);
+
+ luabridge::UserdataPtr::push_raw (m_L, p, classkey);
+
+ lua_rawset (m_L, -3);
+ lua_pop (m_L, 1);
+ return *this;
+}
+
+LuaTableRef::LuaTableRef () {}
+LuaTableRef::~LuaTableRef () {}
+
+int
+LuaTableRef::get (lua_State* L)
+{
+ luabridge::LuaRef rv (luabridge::newTable (L));
+ for (std::vector<LuaTableEntry>::const_iterator i = _data.begin (); i != _data.end (); ++i) {
+ switch ((*i).keytype) {
+ case LUA_TSTRING:
+ assign (&rv, i->k_s, *i);
+ break;
+ case LUA_TNUMBER:
+ assign (&rv, i->k_n, *i);
+ break;
+ }
+ }
+ luabridge::push (L, rv);
+ return 1;
+}
+
+int
+LuaTableRef::set (lua_State* L)
+{
+ if (!lua_istable (L, -1)) { return luaL_error (L, "argument is not a table"); }
+ _data.clear ();
+
+ lua_pushvalue (L, -1);
+ lua_pushnil (L);
+ while (lua_next (L, -2)) {
+ lua_pushvalue (L, -2);
+
+ LuaTableEntry s (lua_type (L, -1), lua_type (L, -2));
+ switch (lua_type (L, -1)) {
+ case LUA_TSTRING:
+ s.k_s = luabridge::Stack<std::string>::get (L, -1);
+ break;
+ ;
+ case LUA_TNUMBER:
+ s.k_n = luabridge::Stack<unsigned int>::get (L, -1);
+ break;
+ default:
+ // invalid key
+ lua_pop (L, 2);
+ continue;
+ }
+
+ switch (lua_type (L, -2)) {
+ case LUA_TSTRING:
+ s.s = luabridge::Stack<std::string>::get (L, -2);
+ break;
+ case LUA_TBOOLEAN:
+ s.b = lua_toboolean (L, -2);
+ break;
+ case LUA_TNUMBER:
+ s.n = lua_tonumber (L, -2);
+ break;
+ case LUA_TUSERDATA:
+ {
+ bool ok = false;
+ lua_getmetatable (L, -2);
+ lua_rawgetp (L, -1, luabridge::getIdentityKey ());
+ if (lua_isboolean (L, -1)) {
+ lua_pop (L, 1);
+ const void* key = lua_topointer (L, -1);
+ lua_pop (L, 1);
+ void const* classkey = findclasskey (L, key);
+
+ if (classkey) {
+ ok = true;
+ s.c = classkey;
+ s.p = luabridge::Userdata::get_ptr (L, -2);
+ }
+ } else {
+ lua_pop (L, 2);
+ }
+
+ if (ok) {
+ break;
+ }
+ // invalid userdata -- fall through
+ }
+ /* fall through */
+ case LUA_TFUNCTION: // no support -- we could... string.format("%q", string.dump(value, true))
+ /* fall through */
+ case LUA_TTABLE: // no nested tables, sorry.
+ case LUA_TNIL:
+ default:
+ // invalid value
+ lua_pop (L, 2);
+ continue;
+ }
+
+ _data.push_back (s);
+ lua_pop (L, 2);
+ }
+ return 0;
+}
+
+void*
+LuaTableRef::findclasskey (lua_State *L, const void* key)
+{
+ lua_pushvalue (L, LUA_REGISTRYINDEX);
+ lua_pushnil (L);
+ while (lua_next (L, -2)) {
+ lua_pushvalue (L, -2);
+ if (lua_topointer (L, -2) == key) {
+ void* rv = lua_touserdata (L, -1);
+ lua_pop (L, 4);
+ return rv;
+ }
+ lua_pop (L, 2);
+ }
+ lua_pop (L, 1);
+ return NULL;
+}
+
+template<typename T>
+void LuaTableRef::assign (luabridge::LuaRef* rv, T key, const LuaTableEntry& s)
+{
+ switch (s.valuetype) {
+ case LUA_TSTRING:
+ (*rv)[key] = s.s;
+ break;
+ case LUA_TBOOLEAN:
+ (*rv)[key] = s.b;
+ break;
+ case LUA_TNUMBER:
+ (*rv)[key] = s.n;
+ break;
+ case LUA_TUSERDATA:
+ (*rv)[key].clone_instance (s.c, s.p);
+ break;
+ default:
+ assert (0);
+ break;
+ }
+}
+
+std::vector<std::string>
+LuaAPI::Vamp::list_plugins ()
+{
+ using namespace ::Vamp::HostExt;
+ PluginLoader* loader (PluginLoader::getInstance());
+ return loader->listPlugins ();
+}
+
+LuaAPI::Vamp::Vamp (const std::string& key, float sample_rate)
+ : _plugin (0)
+ , _sample_rate (sample_rate)
+ , _bufsize (1024)
+ , _stepsize (1024)
+ , _initialized (false)
+{
+ using namespace ::Vamp::HostExt;
+
+ PluginLoader* loader (PluginLoader::getInstance());
+ _plugin = loader->loadPlugin (key, _sample_rate, PluginLoader::ADAPT_ALL_SAFE);
+
+ if (!_plugin) {
+ PBD::error << string_compose (_("VAMP Plugin \"%1\" could not be loaded"), key) << endmsg;
+ throw failed_constructor ();
+ }
+
+ size_t bs = _plugin->getPreferredBlockSize ();
+ size_t ss = _plugin->getPreferredStepSize ();
+
+ if (bs > 0 && ss > 0 && bs <= 8192 && ss <= 8192) {
+ _bufsize = bs;
+ _stepsize = ss;
+ }
+}
+
+LuaAPI::Vamp::~Vamp ()
+{
+ delete _plugin;
+}
+
+void
+LuaAPI::Vamp::reset ()
+{
+ _initialized = false;
+ if (_plugin) {
+ _plugin->reset ();
+ }
+}
+
+bool
+LuaAPI::Vamp::initialize ()
+{
+ if (!_plugin || _plugin->getMinChannelCount() > 1) {
+ return false;
+ }
+ if (!_plugin->initialise (1, _stepsize, _bufsize)) {
+ return false;
+ }
+ _initialized = true;
+ return true;
+}
+
+int
+LuaAPI::Vamp::analyze (boost::shared_ptr<ARDOUR::Readable> r, uint32_t channel, luabridge::LuaRef cb)
+{
+ if (!_initialized) {
+ if (!initialize ()) {
+ return -1;
+ }
+ }
+ assert (_initialized);
+
+ ::Vamp::Plugin::FeatureSet features;
+ float* data = new float[_bufsize];
+ float* bufs[1] = { data };
+
+ samplecnt_t len = r->readable_length();
+ samplepos_t pos = 0;
+
+ int rv = 0;
+ while (1) {
+ samplecnt_t to_read = std::min ((len - pos), _bufsize);
+ if (r->read (data, pos, to_read, channel) != to_read) {
+ rv = -1;
+ break;
+ }
+ if (to_read != _bufsize) {
+ memset (data + to_read, 0, (_bufsize - to_read) * sizeof (float));
+ }
+
+ features = _plugin->process (bufs, ::Vamp::RealTime::fromSeconds ((double) pos / _sample_rate));
+
+ if (cb.type () == LUA_TFUNCTION) {
+ cb (&features, pos);
+ }
+
+ pos += std::min (_stepsize, to_read);
+
+ if (pos >= len) {
+ break;
+ }
+ }
+
+ delete [] data;
+ return rv;
+}
+
+::Vamp::Plugin::FeatureSet
+LuaAPI::Vamp::process (const std::vector<float*>& d, ::Vamp::RealTime rt)
+{
+ if (!_plugin || d.size() == 0) {
+ return ::Vamp::Plugin::FeatureSet ();
+ }
+ const float* const* bufs = &d[0];
+ return _plugin->process (bufs, rt);
+}
+
+boost::shared_ptr<Evoral::Note<Temporal::Beats> >
+LuaAPI::new_noteptr (uint8_t chan, Temporal::Beats beat_time, Temporal::Beats length, uint8_t note, uint8_t velocity)
+{
+ return boost::shared_ptr<Evoral::Note<Temporal::Beats> > (new Evoral::Note<Temporal::Beats>(chan, beat_time, length, note, velocity));
+}
+
+std::list<boost::shared_ptr<Evoral::Note<Temporal::Beats> > >
+LuaAPI::note_list (boost::shared_ptr<MidiModel> mm)
+{
+ typedef boost::shared_ptr<Evoral::Note<Temporal::Beats> > NotePtr;
+
+ std::list<NotePtr> note_ptr_list;
+
+ const MidiModel::Notes& notes = mm->notes();
+ for (MidiModel::Notes::const_iterator i = notes.begin(); i != notes.end(); ++i) {
+ note_ptr_list.push_back (*i);
+ }
+ return note_ptr_list;
+}
projects / ardour.git / blobdiff