1 ardour { ["type"] = "Snippet", name = "Dump Latency",
3 author = "Ardour Team",
6 function factory () return function ()
8 local show_ports = false
10 print (" -- Session --")
11 print ("Worst Output Latency: ", Session:worst_output_latency ())
12 print ("Worst Input Latency: ", Session:worst_input_latency ())
13 print ("Worst Track Latency: ", Session:worst_route_latency ())
14 print ("Worst Latency Preroll: ", Session:worst_latency_preroll ())
16 print (" -- Routes --")
17 for t in Session:get_routes ():iter () do
18 print (string.format ("%-30s signal-latency: %4d align: %4d play: %4d || in: %4d out: %4d",
20 t:signal_latency (), t:playback_latency (false), t:playback_latency (true),
21 t:input():latency(), t:output():latency()))
24 local proc = t:nth_processor (i)
25 if proc:isnil () then break end
26 if all_procs and not proc:to_send():isnil () then
27 print (string.format (" * %-27s L: %4d in: %4d out: %4d capt: %4d play %4d DLY-SRC: %4d DLY-DST: %4d",
28 string.sub (proc:name(), 0, 27) , proc:signal_latency(),
29 proc:input_latency(), proc:output_latency(),
30 proc:capture_offset(), proc:playback_offset(),
31 proc:to_send():get_delay_in(), proc:to_send():get_delay_out()
33 elseif all_procs or not proc:to_diskioprocessor():isnil () then
34 print (string.format (" * %-27s L: %4d in: %4d out: %4d capt: %4d play %4d",
35 string.sub (proc:name(), 0, 27) , proc:signal_latency(),
36 proc:input_latency(), proc:output_latency(),
37 proc:capture_offset(), proc:playback_offset()
45 print (" -- Ports -- (latencies: port, priv, pub)")
46 local a = Session:engine()
47 _, t = a:get_ports (ARDOUR.DataType("audio"), ARDOUR.PortList())
48 -- table 't' holds argument references. t[2] is the PortList
49 for p in t[2]:iter() do
50 local lp = p:get_connected_latency_range (ARDOUR.LatencyRange(), true)
51 local lc = p:get_connected_latency_range (ARDOUR.LatencyRange(), false)
52 local ppl = p:private_latency_range (true)
53 local pcl = p:private_latency_range (false)
54 local bpl = p:public_latency_range (true)
55 local bcl = p:public_latency_range (false)
56 print (string.format ("%-30s play: (%4d, %4d) (%4d, %4d) (%4d, %4d) capt: (%4d, %4d) (%4d, %4d) (%4d, %4d)",
58 lp[1].min, lp[1].max, ppl.min, ppl.max, bpl.min, bpl.max,
59 lc[1].min, lc[1].max, pcl.min, pcl.max, bcl.min, bcl.max))