#include "LuaBridge/LuaBridge.h"
-#include "i18n.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)
{
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
return set_plugin_insert_param (pi, which, val);
}
+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::LuaOSC::Address::send (lua_State *L)
{
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 ArdourCanvas::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;
+}
+
+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
+ }
+ // no break
+ case LUA_TFUNCTION: // no support -- we could... string.format("%q", string.dump(value, true))
+ case LUA_TTABLE: // no nested tables, sorry.
+ case LUA_TNIL: // fallthrough
+ 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;
+ }
+}
projects / ardour.git / blobdiff