From a5c956883d4a0efa3425179cec87717b32206619 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 26 Feb 2020 15:22:47 +0100
Subject: Add Lua bindings for libardour amp's simple gain

---
 libs/ardour/luabindings.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index adb1839bfd..569c41a8f1 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1593,6 +1593,7 @@ LuaBindings::common (lua_State* L)
 
 		.deriveWSPtrClass <Amp, Processor> ("Amp")
 		.addFunction ("gain_control", (boost::shared_ptr<GainControl>(Amp::*)())&Amp::gain_control)
+		.addStaticFunction ("apply_gain", static_cast<gain_t (*)(AudioBuffer&, samplecnt_t, samplecnt_t, gain_t, gain_t, sampleoffset_t)>(&Amp::apply_gain))
 		.endClass ()
 
 		.deriveWSPtrClass <PeakMeter, Processor> ("PeakMeter")
@@ -1842,6 +1843,8 @@ LuaBindings::common (lua_State* L)
 		.addConstructor <void (*) (DataType, uint32_t)> ()
 		.addFunction ("get", &ChanCount::get)
 		.addFunction ("set", &ChanCount::set)
+		.addFunction ("set_audio", &ChanCount::set_audio)
+		.addFunction ("set_midi", &ChanCount::set_midi)
 		.addFunction ("n_audio", &ChanCount::n_audio)
 		.addFunction ("n_midi", &ChanCount::n_midi)
 		.addFunction ("n_total", &ChanCount::n_total)
@@ -2651,6 +2654,7 @@ LuaBindings::dsp (lua_State* L)
 		.addFunction ("get_audio", static_cast<AudioBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_audio))
 		.addFunction ("get_midi", static_cast<MidiBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_midi))
 		.addFunction ("count", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::count))
+		.addFunction ("available", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::available))
 		.endClass()
 		.endNamespace ();
 
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