From 88caab41b2a43acb53aa9391dcbbe520de574336 Mon Sep 17 00:00:00 2001 From: Robin Gareus Date: Sat, 19 Mar 2016 16:40:02 +0100 Subject: add more lua examples/doc --- doc/lua_scratch.lua | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 doc/lua_scratch.lua (limited to 'doc') diff --git a/doc/lua_scratch.lua b/doc/lua_scratch.lua new file mode 100644 index 0000000000..25c5101012 --- /dev/null +++ b/doc/lua_scratch.lua @@ -0,0 +1,42 @@ +------------------------------------------------------------------------------- +-- collection of snippets for testing and upcoming doc +------------------------------------------------------------------------------- + + +------------------------------------------------------------------------------- +-- replace a plugin +route = Session:route_by_remote_id(1) +old = route:nth_plugin(0) +new = ARDOUR.LuaAPI.new_plugin(Session, "http://gareus.org/oss/lv2/fil4#stereo", ARDOUR.PluginType.LV2, ""); +route:replace_processor (old, new, nil) +old = nil new = nil -- explicitly drop references (unless they're local vars) + + +------------------------------------------------------------------------------- +-- add a LuaProcessor (here "Scope") to all tracks +for t in Session:get_tracks():iter() do + local pos = 0 -- insert at the top + local proc = ARDOUR.LuaAPI.new_luaproc(Session, "Inline Scope"); + t:add_processor_by_index(proc, pos, nil, true) + -- optionally set some parameters + ARDOUR.LuaAPI.set_processor_param (proc, 0, 5) -- timescale 5sec +end + +------------------------------------------------------------------------------- +-- add a Plugin (here LV2) to all mono tracks that contain the pattern "dru" +-- and load a plugin-preset (if it exists) +for r in Session:get_routes():iter() do + if (string.match (r:name(), "dru") and r:n_inputs():n_audio() == 1) then + local proc = ARDOUR.LuaAPI.new_plugin(Session, "http://gareus.org/oss/lv2/fil4#mono", ARDOUR.PluginType.LV2, "cutbass"); + r:add_processor_by_index(proc, 0, nil, true) + end +end + +------------------------------------------------------------------------------- +-- load a plugin preset +route = Session:route_by_remote_id(2) +-- to 4th plugin (from top), ardour starts counting at zero +plugin = route:nth_plugin(3):to_insert():plugin(0) +ps = plugin:preset_by_label("cutbass") -- get preset by name +print (ps.uri) +plugin:load_preset (ps) -- cgit v1.2.3