diff options
| author | Robin Gareus <robin@gareus.org> | 2018-10-19 18:10:19 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2018-10-20 00:24:38 +0200 |
| commit | c6955d4994e7b699e69227b17d8b74aefe0f5028 (patch) | |
| tree | 0642155c00dccdbee1591e0e77c8d529451a1485 /libs/ardour/luaproc.cc | |
| parent | 777fe3c68fef42d8fee79432830787bcebdfcb59 (diff) | |
Allow Lua DSP processors to report latency
Diffstat (limited to 'libs/ardour/luaproc.cc')
| -rw-r--r-- | libs/ardour/luaproc.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libs/ardour/luaproc.cc b/libs/ardour/luaproc.cc index 4e2b32c838..ec13efb1bf 100644 --- a/libs/ardour/luaproc.cc +++ b/libs/ardour/luaproc.cc @@ -54,10 +54,12 @@ LuaProc::LuaProc (AudioEngine& engine, , lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool)) #endif , _lua_dsp (0) + , _lua_latency (0) , _script (script) , _lua_does_channelmapping (false) , _lua_has_inline_display (false) , _designated_bypass_port (UINT32_MAX) + , _signal_latency (0) , _control_data (0) , _shadow_data (0) , _configured (false) @@ -85,11 +87,13 @@ LuaProc::LuaProc (const LuaProc &other) , lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool)) #endif , _lua_dsp (0) + , _lua_latency (0) , _script (other.script ()) , _origin (other._origin) , _lua_does_channelmapping (false) , _lua_has_inline_display (false) , _designated_bypass_port (UINT32_MAX) + , _signal_latency (0) , _control_data (0) , _shadow_data (0) , _configured (false) @@ -125,6 +129,7 @@ LuaProc::~LuaProc () { #endif lua.do_command ("collectgarbage();"); delete (_lua_dsp); + delete (_lua_latency); delete [] _control_data; delete [] _shadow_data; } @@ -236,6 +241,11 @@ LuaProc::load_script () assert (0); } + luabridge::LuaRef lua_dsp_latency = luabridge::getGlobal (L, "dsp_latency"); + if (lua_dsp_latency.type () == LUA_TFUNCTION) { + _lua_latency = new luabridge::LuaRef (lua_dsp_latency); + } + // initialize the DSP if needed luabridge::LuaRef lua_dsp_init = luabridge::getGlobal (L, "dsp_init"); if (lua_dsp_init.type () == LUA_TFUNCTION) { @@ -735,6 +745,11 @@ LuaProc::connect_and_run (BufferSet& bufs, } } } + + if (_lua_latency) { + _signal_latency = (*_lua_latency)(); + } + } catch (luabridge::LuaException const& e) { PBD::error << "LuaException: " << e.what () << "\n"; #ifndef NDEBUG |