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Add support for toggling audio output spatialization (HRTF). Disabled by default.

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Add love.audio.setOutputSpatialization(enable [, filtername]).
Add enabled, filtername = love.audio.getOutputSpatialization().
Add filterlist = love.audio.getOutputSpatializationFilters().

Additional filters (HRTFs) can currently be added via the data files and search paths OpenAL Soft uses.

Resolves #1699.
This commit is contained in:
Sasha Szpakowski
2025-05-06 22:41:12 -03:00
parent f50558bb1d
commit d2d91430ed
6 changed files with 185 additions and 10 deletions
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src/modules/audio/wrap_Audio.cpp
+38
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@@ -540,6 +540,41 @@ int w_isEffectsSupported(lua_State *L)
return 1;
}
int w_setOutputSpatialization(lua_State *L)
{
bool enable = luax_checkboolean(L, 1);
const char *filter = luaL_optstring(L, 2, nullptr);
bool success = instance()->setOutputSpatialization(enable, filter);
luax_pushboolean(L, success);
return 1;
}
int w_getOutputSpatialization(lua_State *L)
{
const char *filter = nullptr;
bool enabled = instance()->getOutputSpatialization(filter);
luax_pushboolean(L, enabled);
if (filter != nullptr)
lua_pushstring(L, filter);
else
lua_pushnil(L);
return 2;
}
int w_getOutputSpatializationFilters(lua_State *L)
{
std::vector<std::string> filters;
instance()->getOutputSpatializationFilters(filters);
lua_createtable(L, (int)filters.size(), 0);
for (int i = 0; i < (int)filters.size(); i++)
{
luax_pushstring(L, filters[i]);
lua_rawseti(L, -2, i + 1);
}
return 1;
}
int w_setMixWithSystem(lua_State *L)
{
luax_pushboolean(L, Audio::setMixWithSystem(luax_checkboolean(L, 1)));
@@ -622,6 +657,9 @@ static const luaL_Reg functions[] =
{ "getMaxSceneEffects", w_getMaxSceneEffects },
{ "getMaxSourceEffects", w_getMaxSourceEffects },
{ "isEffectsSupported", w_isEffectsSupported },
{ "setOutputSpatialization", w_setOutputSpatialization },
{ "getOutputSpatialization", w_getOutputSpatialization },
{ "getOutputSpatializationFilters", w_getOutputSpatializationFilters },
{ "setMixWithSystem", w_setMixWithSystem },
{ "getPlaybackDevice", w_getPlaybackDevice },
{ "getPlaybackDevices", w_getPlaybackDevices },