From 266ecfbeec7088de6994a151630d788fe0613064 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 7 Jul 2016 16:44:41 +0200
Subject: implement designated enable/bypass port for lua-proc

---
 libs/ardour/ardour/luaproc.h | 5 +++++
 libs/ardour/luaproc.cc       | 6 ++++++
 2 files changed, 11 insertions(+)

(limited to 'libs')

diff --git a/libs/ardour/ardour/luaproc.h b/libs/ardour/ardour/luaproc.h
index 39afb72c96..bd77efaff9 100644
--- a/libs/ardour/ardour/luaproc.h
+++ b/libs/ardour/ardour/luaproc.h
@@ -89,6 +89,10 @@ public:
 	bool parameter_is_input (uint32_t) const;
 	bool parameter_is_output (uint32_t) const;
 
+	uint32_t designated_bypass_port () {
+		return _designated_bypass_port;
+	}
+
 	std::string state_node_name() const { return "luaproc"; }
 	void add_state (XMLNode *) const;
 	int set_state (const XMLNode&, int version);
@@ -145,6 +149,7 @@ private:
 	std::vector<std::pair<bool, int> > _ctrl_params;
 	std::map<int, ARDOUR::ParameterDescriptor> _param_desc;
 	std::map<int, std::string> _param_doc;
+	uint32_t _designated_bypass_port;
 
 	float* _control_data;
 	float* _shadow_data;
diff --git a/libs/ardour/luaproc.cc b/libs/ardour/luaproc.cc
index 26442aa32e..75d957779d 100644
--- a/libs/ardour/luaproc.cc
+++ b/libs/ardour/luaproc.cc
@@ -52,6 +52,7 @@ LuaProc::LuaProc (AudioEngine& engine,
 	, _script (script)
 	, _lua_does_channelmapping (false)
 	, _lua_has_inline_display (false)
+	, _designated_bypass_port (UINT32_MAX)
 	, _control_data (0)
 	, _shadow_data (0)
 	, _has_midi_input (false)
@@ -75,6 +76,7 @@ LuaProc::LuaProc (const LuaProc &other)
 	, _script (other.script ())
 	, _lua_does_channelmapping (false)
 	, _lua_has_inline_display (false)
+	, _designated_bypass_port (UINT32_MAX)
 	, _control_data (0)
 	, _shadow_data (0)
 	, _has_midi_input (false)
@@ -286,6 +288,10 @@ LuaProc::load_script ()
 				_param_desc[pn].sr_dependent = lr["ratemult"].isBoolean () && (lr["ratemult"]).cast<bool> ();
 				_param_desc[pn].enumeration  = lr["enum"].isBoolean () && (lr["enum"]).cast<bool> ();
 
+				if (lr["bypass"].isBoolean () && (lr["bypass"]).cast<bool> ()) {
+					_designated_bypass_port = pn - 1; // lua table starts at 1.
+				}
+
 				if (lr["unit"].isString ()) {
 					std::string unit = lr["unit"].cast<std::string> ();
 					if (unit == "dB")             { _param_desc[pn].unit = ParameterDescriptor::DB; }
-- 
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