WIP

src/lua_libpulse_glib/context.c

@@ -44,7 +44,8 @@ void context_event_callback(pa_context* c, pa_subscription_event_type_t event_ty
         // Copy the `self` parameter
         lua_pushvalue(L, 2);
         lua_pushinteger(L, event_type);
-        lua_pushinteger(L, index);
+        // Adjust the index to Lua's 1-base
+        lua_pushinteger(L, index + 1);
 
         lua_call(L, 3, 0);
     }

src/lua_libpulse_glib/context.h

@@ -512,6 +512,8 @@ static const struct luaL_Reg context_f[] = {
     { "get_server_info",          context_get_server_info            },
     { "get_sinks",                context_get_sink_info_list         },
     { "get_sink_info",            context_get_sink_info              },
+    { "get_sink_info_by_name",    context_get_sink_info_by_name      },
+    { "get_sink_info_by_index",   context_get_sink_info_by_index     },
     { "set_sink_volume",          context_set_sink_volume            },
     { "set_sink_mute",            context_set_sink_mute              },
     { "set_sink_suspended",       context_set_sink_suspended         },

src/lua_libpulse_glib/introspection.c

@@ -72,6 +72,8 @@ void sink_info_callback(pa_context* c, const pa_sink_info* info, int eol, void*
         if (!eol) {
             lua_pushfstring(L, "only one sink info expected, but got multiple");
             lua_call(L, 1, 0);
+
+            free_lua_callback(data);
         } else {
             lua_pushnil(L);
             sink_info_to_lua(L, info);

src/lua_libpulse_glib/pulseaudio.c

@@ -124,6 +124,7 @@ void createlib_context(lua_State* L) {
     luaL_setfuncs(L, context_mt, 0);
 }
 
+#define enum_field(L, idx, name) (lua_pushinteger(L, PA_##name), lua_setfield(L, idx, #name))
 
 void createlib_pulseaudio(lua_State* L) {
     luaL_newmetatable(L, LUA_PULSEAUDIO);
@@ -134,6 +135,22 @@ void createlib_pulseaudio(lua_State* L) {
     luaL_setfuncs(L, pulseaudio_mt, 0);
 
     luaL_newlib(L, pulseaudio_lib);
+
+    // pa_subscription_event_type
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SINK);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SOURCE);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SINK_INPUT);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SOURCE_OUTPUT);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_MODULE);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_CLIENT);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SAMPLE_CACHE);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_SERVER);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_CARD);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_NEW);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_CHANGE);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_REMOVE);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_FACILITY_MASK);
+    enum_field(L, -2, SUBSCRIPTION_EVENT_TYPE_MASK);
 }