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authorRobin Gareus <robin@gareus.org>2020-02-23 20:48:02 +0100
committerRobin Gareus <robin@gareus.org>2020-02-23 20:48:02 +0100
commit180843f9bd28b191c7404245ba0a121107992511 (patch)
treec60312dc09f76c2f55ba2383245c427e15c38dea /scripts/_vamp_note_example.lua
parentbf649cd68ad46c34a656700aa6cb89416d648c64 (diff)
Also move Lua scripts to share subfolder
Diffstat (limited to 'scripts/_vamp_note_example.lua')
-rw-r--r--scripts/_vamp_note_example.lua68
1 files changed, 0 insertions, 68 deletions
diff --git a/scripts/_vamp_note_example.lua b/scripts/_vamp_note_example.lua
deleted file mode 100644
index 6a93dd8ee4..0000000000
--- a/scripts/_vamp_note_example.lua
+++ /dev/null
@@ -1,68 +0,0 @@
-ardour { ["type"] = "Snippet", name = "Vamp Audio Transcription Example" }
-
-function factory () return function ()
-
- -- get Editor selection
- -- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Editor
- -- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
- local sel = Editor:get_selection ()
- local sr = Session:nominal_sample_rate ()
-
- -- Instantiate a Vamp Plugin
- -- see http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:LuaAPI:Vamp
- local vamp = ARDOUR.LuaAPI.Vamp ("libardourvampplugins:qm-transcription", sr)
-
- -- prepare progress dialog
- local progress_total = 0;
- local progress_part = 0
- local pdialog = LuaDialog.ProgressWindow ("Audio to MIDI", true)
- function cb (_, pos)
- return pdialog:progress ((pos + progress_part) / progress_total, "Analyzing")
- end
-
- -- calculate max progress
- for r in sel.regions:regionlist ():iter () do
- progress_total = progress_total + r:to_readable ():readable_length ()
- end
-
- -- for each selected region
- -- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:RegionSelection
- for r in sel.regions:regionlist ():iter () do
- -- "r" is-a http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Region
-
- vamp:analyze (r:to_readable (), 0, cb)
-
- if pdialog:canceled () then
- goto out
- end
-
- progress_part = progress_part + r:to_readable ():readable_length ()
- pdialog:progress (progress_part / progress_total, "Post Processing")
-
- print ("-- Post Processing: ", r:name ())
-
- -- post-processing takes longer than actually parsing the data :(
- local f = vamp:plugin ():getRemainingFeatures ()
-
- local fl = f:table ()[0]
- print (" Time (sample) | Len | Midi-Note");
- if fl then for f in fl:iter () do
- assert (f.hasTimestamp and f.hasDuration);
- local ft = Vamp.RealTime.realTime2Frame (f.timestamp, sr)
- local fd = Vamp.RealTime.realTime2Frame (f.duration, sr)
- local fn = f.values:at (0) -- midi note number
- print (string.format (" %14d %7d %d", ft, fd, fn))
- end end
-
- -- reset the plugin (prepare for next iteration)
- vamp:reset ()
- end
-
- ::out::
- -- hide modal progress dialog and destroy it
- pdialog:done ();
- pdialog = nil
- vamp = nil;
- collectgarbage ()
-
-end end