In plugdata v0.9.2 hosted on REAPER v7.48 running on both Windows 10 and 11, I can't set the plugin's latency under Settings...->Latency (samples). When I enter the number of samples and close the dialog box, it immediately reverts to 0 and REAPER reports a plugin delay compensation amount of 64 samples which is what it reports when plugdata is first loaded. I fell back to plugdata v0.8.3 on my Win10 machine and was again able to set the latency, so there's my workaround.

Surprisingly, if I copy that same REAPER project hosting plugdata v0.8.3 over to the Win11 machine that has plugdata v0.9.2, it retains the latency I set on the Win10 machine, but as soon as I try to edit it, it reverts to 0.

Anyone else seeing this issue?

I'd also love to know if there is a way of setting the plugdata latency setting within Pd. My patch has a look-ahead detector, and when I change the look-ahead amount, the latency has to change accordingly.

@jameslo OK, well...I decided to fall back to Camomile in order to regain the ability to set the latency programmatically. I had to replace a few facilities that didn't work under Pd 0.51 (the latest version that the latest version of Camomile supports), but I don't miss them, and nor do I miss having to recalculate and set the latency by hand. If anyone is making plugins with variable latency using plugdata I would be grateful to hear how you achieved it.

Did you ask to plugdata discord forum ?

@jyg I haven't. I have never been able to understand discord, it. It looks like one big stream of consciousness babble to me. I'll give another look.

(I asked my friend who is a decade or two younger to explain discord, and he said it was like talking to a TV )

You should have a look there. The developpers are very responsive. Or alternatively you should create an issue on github.

Thanks @jyg, I've been looking! So I'm thinking of posting in either #plugdata-questions or #plugdata-issues, except that it looks like my question will just get tacked on to the end of a flat, unstructured list of questions, comments, and replies, is that correct? It looks like there are very few "threads" so I'm assuming you don't need to create one in order to not interrupt an ongoing discussion, correct? It's like a room where everyone is having a different conversation but you hear them all. And that one line text box at the bottom of the page is all you get to enter your question, even if there are tons of technical details?

If you are really this scared of the concept of a "chat room" then just post a dedicated ticket on github.

@dreamer I'm not so much scared of the concept of a chat room as I am incredulous that that would be the preferred format for technical discussions. Over here, people apologize for digressing and sometimes have a hard time following along! OK, let's see if anyone over there lectures me about cross-posting

Edit: I immediately got my answer from that scary chaotic place known as Discord . Use [plugin_latency].

Edit 2: But that object doesn't exist in v0.8.3, and I can't get v0.9.2 to work in REAPER. MIDI doesn't seem to be passed out of the plugdata to the next VST properly.

Edit 3: plugdata v0.9.2 on REAPER is identifying note on messages on channel 1 as being on channel 17 using [notein]. When using [midiin] it says it's on channel 2! Not an issue in v0.8.3 or Camomile.