[PD] New "fast-forward" message
Miller Puckette
msp at ucsd.edu
Mon Aug 17 03:19:12 CEST 2020
Angry vline~s is the name of my next garage band :)
M
On Mon, Aug 17, 2020 at 02:52:28AM +0200, Christof Ressi wrote:
> Hey,
>
> > but I still needed an example to see how to make this happen :)
> Attached you find a simple example for recording N ms of sound to disk.
>
> > that's used n the help file of [samplerate~] but I agree it should also
> > be included in this new documentaton section. Anyway, what else would
> > you use it for?
> It's useful for preventing "angry vline~s": if you accidentally keep sending
> messaes to a [vline~] while DSP is off, it will eventually bring Pd to its
> knees. The solution is to use a [spigot] which is opened on "pd-dsp-started"
> and closed on "pd-dsp-stopped".
>
> Actually, the issue should be mentioned in vline~-help.pd, together with the
> possible solution.
>
> Christof
>
> On 17.08.2020 02:25, Alexandre Torres Porres wrote:
> >
> > On 16.08.2020 05:52, Miller Puckette via Pd-list wrote:
> > > An artificial example (for simplicity) - I want to apply a Pd
> > effect to a
> > > soundfile and write the result out to another file, without
> > having to wait
> > > for the length of the file to get the result.?? This could be
> > done from the
> > > command line using a batch command, but while you're developing
> > the patch to
> > > do it it's much easier to be able to set the process off with a
> > button from
> > > inside Pd.
> >
> >
> > Great, kind of what I was expecting, but I still needed an example to
> > see how to make this happen :)
> >
> > Em dom., 16 de ago. de 2020 ??s 08:16, Christof Ressi
> > <info at christofressi.com <mailto:info at christofressi.com>> escreveu:
> >
> > My use case was that I had a patch which either produced some
> > generative
> > music or processed some soundfile and I wanted to record N seconds as
> > fast as possible. It's basically like the render function in a DAW
> > (usually you don't have to start the DAW from the command line to
> > render
> > your project :-).
> >
> >
> > I also thought about that and I'm really excited to test both things.
> > Hopefully I can have an example of this in my tutorial rght now and
> > release an update. But my attempts here failed and froze Pd :)
> >
> > Have you already messed with it, Christof?
> >
> > But I agree that this needs to documented. Generally, there should
> > be a
> > section to document all (public) Pd messages, like [pd dsp(, [pd
> > quit(,
> > etc. (What can be considered "public"?)
> >
> >
> > I opened an issue for that ( https://urldefense.com/v3/__https://github.com/pure-data/pure-data/issues/1125__;!!Mih3wA!V6aSoF1aPNC06uVdDyYea5WFKdWy0p_QL_hlqSyUMqESkThSno1hgLYLxoMh$
> > ??) and can take care of it as I'm usually handling documentation
> > issues.
> >
> > Also [r pd-dsp-started] and [r pd-dsp-stopped], which most people
> > don't
> > know about, I guess.
> >
> >
> > that's used n the help file of [samplerate~] but I agree it should also
> > be included in this new documentaton section. Anyway, what else would
> > you use it for?
> >
> > Porres
> #N canvas 505 376 450 300 12;
> #X obj 31 202 noise~;
> #X obj 21 231 writesf~ 2;
> #X obj 89 202 noise~;
> #X msg 60 117 \; pd fast-forward \$1;
> #X obj 83 39 nbx 5 14 -1e+037 1e+037 0 0 empty empty ms 0 -8 0 10 -262144
> -1 -1 0 256;
> #X obj 37 62 f 10000;
> #X obj 37 38 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
> -1;
> #X obj 21 118 del;
> #X msg 21 173 stop;
> #X msg 83 166 open ./noise.wav \, start;
> #X obj 37 86 t f f b;
> #X text 101 65 write N ms of stereo noise;
> #X text 35 14 go!;
> #X obj 21 150 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
> -1;
> #X text 40 148 done;
> #X obj 266 132 loadbang;
> #X msg 266 159 \; pd dsp 1;
> #X connect 0 0 1 0;
> #X connect 2 0 1 1;
> #X connect 4 0 5 1;
> #X connect 5 0 10 0;
> #X connect 6 0 5 0;
> #X connect 7 0 13 0;
> #X connect 8 0 1 0;
> #X connect 9 0 1 0;
> #X connect 10 0 7 0;
> #X connect 10 1 3 0;
> #X connect 10 2 9 0;
> #X connect 13 0 8 0;
> #X connect 15 0 16 0;
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