array-maxx and array-minn - get multiple peaks of an array
OK, so, some benchmarking results.
In Pd, given a 100000-element input array and asking [array-maxx] for 1000 output values, I get what seems to be is a valid result in 99 ms... which is not very slow. (Pd gains performance here from the fact that [array max] is a primitive. If you had to run the array-max iteration by [until], it would be much, much slower.)
I did try it in SC. The [array-maxx] algorithm is extremely, brutally slow in SC because SC doesn't have an array-max primitive. The 100000 x 1000 = 100,000,000 iterations take about 3.6 seconds on my machine. Ouch.
The algorithm I described (iterate over the source array once, and insert items into the output array in descending order) is 5-6 times faster than Pd, and a couple hundred times faster than the SC brute force way. I did two versions: one uses the SC array insert primitive; the other uses only array get and put.
a = Array.fill(100000, { 1000000.rand });
(
f = { |a, n = 1000|
a = a.copy;
Array.fill(n, {
var index = a.maxIndex; // Pd equivalent [array max] is much faster
var value = a[index];
a[index] = -1e30;
value
});
};
g = { |a, n = 1000|
var out;
var index;
a.do { |item|
if(out.size == 0) {
out = [item];
} {
index = out.size - 1;
while {
index >= 0 and: {
out[index] < item
}
} {
index = index - 1
};
// now index points to the latest item in the array >= source item
if(index < (out.size-1) or: { out.size < n }) {
// insert after 'index' and drop excess smaller items
out = out.insert(index + 1, item).keep(n)
}
}
};
out
};
h = { |a, n = 1000|
var out;
var index, j;
a.do { |item|
if(out.size == 0) {
out = [item];
} {
index = out.size - 1;
while {
index >= 0 and: {
out[index] < item
}
} {
index = index - 1
};
if(index < (out.size-1) or: { out.size < n }) {
// index = index + 1;
if(out.size < n) {
// if we haven't reached n output values yet,
// add an empty space and slide all items after 'index'
j = out.size - 1;
out = out.add(nil);
} {
// if we already have enough output values,
// then 'item' must be greater than the current last output value
// so drop the last one
j = out.size - 2;
};
while { j > index } {
out[j+1] = out[j];
j = j - 1
};
out[index + 1] = item;
}
}
};
out
};
)
// brute force O(m*n) way
bench { f.(a).postln };
time to run: 3.592374201 seconds.
// single-iteration with array-insert primitive
bench { g.(a).postln };
time to run: 0.13782317200003 seconds.
// single-iteration without array-insert primitive
bench { h.(a).postln };
time to run: 0.21714963900013 seconds.
I might have another stab at it in Pd. Note that you can't directly compare the Pd and SC benchmarks because the "language engine" isn't the same -- there's no guarantee of getting Pd down to 20 ms -- but, can probably do better than ~100 ms.
hjh
ELSE 1.0-0 RC13 with Live Electronics Tutorial Released
Ok, the cat is out of the bag --> https://github.com/porres/pd-else/releases/tag/1.0-rc13 I'm officialy announcing the update and uploaded binaries to deken for mac (intel/arm), Win and Linux. It all looks ok but tell me if you see something funny please. There's also a raspberry pi binary but not working 100%yet and we'll still look into that. Hopefully someone could help me/us with it. I might make another upload just for the pi later on if/when we figure it out. Find release notes and changelog below.
RELEASE NOTES:
Please support me on Patreon https://www.patreon.com/porres I'll now try to add special content for subscribers. You can follow me on instagram as well if you like... I'm always posting Pd development stuff over there https://www.instagram.com/alexandre.torres.porres/
It's been a little bit over 7 months since the last update and I almost broke the record for taking too long to release an update (which had happened in my previous update). So yeah, there's just too much to talk about! I guess the delays in releasing updates is because it's been a little tricky and hard to sync the release cycles of ELSE with PlugData, which includes ELSE in its download.
Plugdata 0.9.2 should come out soon with ELSE RC13 and it's supposedly the last update before 1.0.0, so I've heard. And the plans was to get to that still in 2025! This means ELSE could be at its last "Release Candidate" phase as I'm aiming to sync the final release with PlugData. Until then, I'll still make breaking changes and I can't wait until I can't do that anymore as I really feel bad. On the other hand, it's kind of inevitable when I'm always adding new stuff and redesigning and reconfiguring objects to include more functionalities. And I always got a lot of new stuff! So I'm thinking that I will eventually try some mechanism like Pd's compatibility flag or something. I'll try to come up with something like that in the next update.
This update has 22 new objects for a total of 573 and 26 new examples in my tutorial for a total of 554 examples. Let's dive into the highlights (see full changelog below after the release notes).
-
Multichannel Support: Last release had 92 MC aware objects, now it's 139! Over a 50% increase that include old and new objects (all the new ones have been coming with MC support). Virtually all oscillators and envelope generators now have MC support, plus some other random ones. Let me highlight the new [lace~]/[delace~] objects that are 'MC' tools that perform interleave/deinterleave in Multichannel connections. My bare minimum number of objects "to start with" would be at least a bit over half the number of signal objects. That was my target for 1.0! ELSE right now has 319 signal objects, so that'd be at least 160. I will definitely pass this milestone in the next update. I guess a good number of MC objects would be around 75% of the signal objects. I will aim for that as soon as I can. Some objects simply can't be MC at all, so 100% will never be the case, but maybe an ideal 90% eventually? We'll see... I am just proud and happy that ELSE is taking such a big jump on MC awareness in less than a couple years.
-
Envelope generators ([adsr~]/[asr~]/[envgen~]/[function~]) now have more curve options. For [adsr~]/[asr~] the default is now a new log curve that you can set the curve parameter (and was 'stolen' from SuperCollider). A new [smooth~] family of objects perform the same kind of curved smoothening for alternating inputs - [envgen~] and [function~] also have that but also '1-pole' filtering, 'sine' and 'hann' curves. You can now trigger [adsr~] and [asr~] with impulses.
-
The [play.file~] object now supports even more file formats besides MP3 and stuff. Hey, you can even stream the supported formats from weblinks! The [sfload] object (which loads files into arrays) also gained support for more formats and can download from weblinks as well! It also has a new threaded mode, so loading big files won't choke Pd. It now also outputs the file information, which is a way to tell you when loading finished in threaded mode. The [sample~], [player~], [gran.player~] and [pvoc.player~] objects are now also based on [sfload], so they support all these file formats!!! Now [sample~] and [tabplayer~] are integrated in a way that [tabplayer~] is always aware of the sample rate of the file loaded in [sample~] (so it reads in the "correct speed"). A new [sfinfo] object is able to extract looping regions and instrument metadata information from AIFF files (which is something I wanted for ages) - it should do more stuff in the future.
-
[knob] has become the ultimate featured bloated creep GUI I always feared and avoided. MAX is envy! but I'm happy with this structure and I want to replicate in other GUIs in the future (yeah, I got plans to offer alternatives to all iemguis). I wanna highlight a new 'param' symbol I added that allows you to remotely set a particular method in an object, so you don't to connect to a "method $1" message and you can even do this wirelessly with a send symbol. [knob] now also acts like a number box, where you can type in the value, which may also be displayed in different ways or the value can be sent elsewhere via another send symbol so you can temper with it using [makefilename] or [else/format]. I've been using this for the MERDA modules and it's really cool.
-
We finally have a [popmenu] GUI object! This was in my to do list forever and was crucial to improve the MERDA modules to set waveforms, instruments and whatnot.
-
Let's about MERDA, the "Modular Euroracks Dancing Along" subset of abstractions in ELSE. It was first released in the last update and it's been driving lots of the development in ELSE as you can see. I now added a MIDI Learn feature for all knobs that feels great and quite handy! There are many fixes and improvements in general and some new modules. I wanna highlight the new [sfont.m~] module, which loads "sound font" banks and you can just click on a [popmenu] to choose the instrument you want. The default bank has numerous (hundreds) options and also comes with PlugData. The sequencer module [seq8.m~] was rather worthless but it's now a whole new cool thingie. It allows you to set pitches with symbols and even has quarter tone resolution. I added a right outlet to send impulses to trigger envelopes and stuff (there's still more stuff of course, see full changelog below).
-
There are newly designed/renamed/recreated [resonbank~]/[resonbank2~] objects that are well suited for Modal Synthesis.
-
What actually drives my development is my Live Electronics tutorial, which got a fair upgrade with a new chapter on Modal Synthesis amongst other things, such as new subtractive synthesis examples and a revision of envelope generators with examples on AHDSR and DAHDSR - by the way, there are new gaterelease~/gatedelay~ objects for handling envelopes (and other processes).
-
I have to thank some people. Tim added 'zoom' to the [pic] object, as well as an image offset. Tim also implemented a new and better technique for bandlimited oscillators. Ben Wesh gave me a new [scope3d~] GUI object, pretty cool, that plots an oscilloscope in 3 dimensions, which is coded in LUA - and ELSE has been carrying a modified version of [pdlua] because it now depends on it for a couple of GUIs. Tim and Ben made many improvements to [pdlua] (as well as Albert Graef, of course).
-
For more new objects, let me also tell you about the simple and cool [float2imp~], that is based on [vline~] and can convert floats to impulses with sample accuracy (don't know why I didn't think of that earlier). A new [tanh~] object has Multichannel support. A bit earlier I made an update to Cyclone that actually "borrows" and includes this one from ELSE instead of its original one (which does not have Multichannel support). PlugData users will load the one from ELSE. This is another tiny step that sort of integrates ELSE and Cyclone, specially for PlugData users.
happy patching.
CHANGELOG:
LIBRARY:
Breaking changes:
- [adsr~]/[asr~]: now a gate off before reaching the sustain point does not start the release right away (this allows you to trigger it with impulses). There's a new mode just for immediate release. There's a new exponential setting for curve factors, the old 'log' mode is renamed to 'lag' as it's the same as used in the [lag~] object. For [adsr~], a bang now is not "retrigger", but an impulse at control rate, there's a new 'retrigger' message for control rate retriggering (and now it only retriggers if the gate is on). For [asr~] a bang now also works like an impulse.
- [sample~]: no more 'load' message, args to 'open' message changed, size is now only in 'ms'.
- [format]: outputs are now always symbols, before you could get float outputs. Also, we just have a simplified symbol output, no more lists or anythings. Hopefully I'll be able to get the 'list' output back, but it involved some bugs that I couldn't fix so I just removed it. You cannot use bangs and lists in secondary inlets no more (this is cylone/max crappy paradigm we don't want here). Bang method was actually removed as well.
- [pack2]: no more support for anythings, also no more support for lists in secondary inlets and output has a list selector (I wanna make this more Pd like and not a silly clone from MAX's [pak], cause fuck MAX).
- [merge]/[unmerge]/[group]: no more '-trim' flag (again, respecting pd's usual list paradigm), in [merge] now there's no more 'hot' argument and a bang now represents an empty list and inlets initialized with empty lists
- [mono]: 1st argument is now 'glide' in ms.
- [sfont~] now uses 'mma' for bank selection (this alters how CC messages set the bank number).
- [player~]/[play.file~]: 'open' message does not play files right away anymore.
- [tabplayer~]/[player~]: play message without args now play at the default settings (whole file at regular speed).
- [envgen~]: removed the 'maxsustain' parameter, use the new [gaterelease~] or [gaterelease] objects instead. Removed the rightmost inlet just to set envelopes, now a list input only sets the envelope and doesn't trigger it. The 'set' message is then removed.
- [envgen~]/[function~]: simplified and got rid of '-exp' flag and message, also deleted 'expl' and 'expi' messages. A new 'curve' and cimpler message sets exponential factors for all or individual segments, and includes more curve formats.
- [knob]: 'esc' key now deactivates the object. The 'ticks' message is renamed to 'steps' and there is a new 'ticks' message that toggles showing ticks on and off. The 'start' message has been renamed to 'arcstart'. The 'outline' message has been renamed to 'square' for better clarity. Design changed a bit to make it like it is in PlugData (they won), so we now fill the whole background color when in 'square mode' and the knob circle has an 85% proportion in this case inside the full 100% square size (so it grows bigger when not in 'square' mode). Now, by default, the GUI is in a new 'loadbang' mode (I don't think this will influence old patches). I'm afraid some old patches might behave really weird since I added a lot of new stuff. I changed the 'load' message behaviour to not update the object (this can arguably be considered a bug fix).
- [wavetable~], [bl.wavetable~] and [wt2d~]: 'set' message now sets frequencies because of the MC support in [wt~] and [wt2d~], while there's a new 'table' method to set the table name.
- [gbman~]/[cusp~] list method is now for MC, old list method is now renamed back to an old 'coeffs' method.
- [f2s~]/[float2sig~] default value is now 10 ms.
- [op] now behaves like [*~] where the smaller list wraps til reaching the size of the longer one.
- [list.seq] does not loop anymore by default.
- [impseq~] list input removed, use the new [float2imp~] object to convert floats to impulses.
- [resonant~] now has 'q' as the default.
- [resonant2~] has been removed.
- [decay2~] has also been removed ([asr~] much better).
- [vcf2~] has been renamed to [resonator2~].
- [resonbank~]/[resonbank2~] have basically been deleted and replaced by new objects with the same name... [resonator~] is based on a new [resonator~] object which is similar to [resonant~] and [resonbank2~] is now based on [resonator2~] (old [vcf2~] instead of [resonant2~] that got deleted). These are well suited objects for Modal Synthesis.
- [oscbank~] now uses a 'partial' list and not a frequency list. The freq input now defaults to '1' and this makes [oscbank2~] completely obsolete.
- [oscbank2~] has been deleted since it became completely obsolete.
- [sfload] load message changed the behaviour a bit.
Enhancements/fixes/other changes:
- [adsr~]: We have now a new mode for immediate release (see breaking changes above, I'm not repeating it). Fixed ADSR signal inputs (it was simply not really working, specially for linear). Fixed status output for MC signals. There's a new curve parameter that allows you to set the curvature.
- [asr~] I actually just made the new [adsr~] code into a new [asr~] code as a simplified version (as it was before)... so it's got the same impromevents/fixes.
- [play.file~]: added support for more file formats and even weblinks for online streaming!
- [sfload]: added an outlet to output information, added threaded mode, added support for more file formats and even weblinks for downloading.
- [sample~], [player~], [gran.player~] and [pvoc.player~] are now also based on [sfload], so they support more file formats!
- [sample~]: improved extension management with [file splitext].
- [sample~] and [tabplayer~] now are automatically integrated in a way that [tabplayer~] is always aware of the sample rate of the file loaded in [sample~], so it automatically adjusts the reading speed if it is different than the one Pd is running with.
- [numbox~]'s number display is not preceded by "~" anymore (that was just kinda stupid to have).
- [format]: fixed issues where empty symbols and symbols with escaped spaces didn't work. Added support '%a' and '%A' type. Added support for an escaped 'space' flag. Improved and added support for length modifiers. Improved syntax check which prevents a crash. Improved documentation.
- [knob]: added new 'param', 'var', 'savestate', 'read only', 'loadbang', "active", "reset" and 'ticks' methods. Added the possibility to type in number values and also modes on how to display these number values, plus new send symbols for 'activity', 'typing', 'tab' and 'enter'. New design more like plugdata. Changed some shortcuts to make it simpler. If you have the yet unreleased Pd 0.56-0 you can also use 'double clicking' in the same way that works in PlugData. Properties were also significantly improved (I'm finally starting to learn how to deal with this tcl/tk thingie). Yup, a lot of shit here...
- [autofade2~]/[autofade2.mc~]: fixed immediate jump up for 0 ramp up.
- [synth~]: fixed polyphony bug.
- [metronome~]: fixed bug with 'set' message.
- [midi2note]: fixed range (octaves 0-8).
- [pulsecount~]: fixed reset count to not output immediately, added bang to reset counter at control rate
- [click]: fixed regression bug where it stopped working.
- [else]: new 'dir' method to output ELSE's binary directory in a new rightmost outlet. The print information also includes the directory.
- [pic]: added zoom capability finally (thanks to tim schoen) and added offset message (also thanks to tim).
- [store]: added 'sort' functionality.
- [scales]: fixed octave number argument. Added functionality to allow octave number as part of the note symbol.
- [mono]: added 'glide' parameter, as in [mono~].
- [pluck~]: fixed list input.
- [rescale]/[rescale~]: added a "reverse log" mode.
- [limit]: added a new second ignore mode.
- [graph~]: added an external source input for plotting the graph and a 'clear' message.
- [canvas.setname]: added a new argument for "abstraction mode" and methods to set name, depth (and mode).
- [midi.learn]: added a new argument for "abstraction mode", fixed 'dirty' message sent to parent.
- [brickwall~]: fixed initialization.
- [list.seq]: added a loop mode and a 2nd outlet to send a bang when the sequence is done.
- [delete]: fixed index for positive numbers.
- [dust~]: added 'list', 'set' and '-mc' flag for managing the already existing Multichannel capabilities.
- Thanks to Tim we have many fixes and a whole new technique for band limited oscillators. Now [bl.saw~], [bl.saw2~], [bl.vsaw~], [bl.square~], [bl.tri~], [bl.imp~] and [bl.imp2~] have been redesigned to implement elliptic blep, which should provide better anti-aliasing.
- [parabolic~] now uses and internal wavetable for more efficiency.
- [resonant~]: added 'bw' resonance mode.
- [lowpass~]/[highpass~]: added 't60' resonance mode.
- [quantizer~]/[quantizer]: added a new mode, which combines floor (for negative) and ceil (for positive) values.
- [crusher~]: now uses the new [quantizer~] mode from above (arguably a breaking change).
- [envgen~]: fixed a bug (actually a misconception) where ramps started one sample earlier. Fixed 0-length lines. Added a possibility to set time in samples instead of ms. Maximum number of lines is now 1024. Added loop mode. Added many curve options (sin/hann/log curve/lag).
- [function~]: Added many curve options (sin/hann/log curve/lag).
- [The out~] family of abstractions now use [bitnormal~] so you won't blow your speakers beyond repair in edge cases.
- [trig.delay~]/[trig.delay2~]: fixed bug where impulse values different than '1' didn't work.
- Added MC support to: [trig.delay~], [trig.delay2~], [gatehold~], [vca.m~], [gain2~], [decay~], [asr~], [envgen~], [function~], [bl.osc~], [bl.saw~], [bl.saw2~], [bl.vsaw~], [bl.square~], [bl.tri~], [bl.imp~], [bl.imp2~], [imp2~], [tri~], [saw~], [saw2~], [vsaw~], [square~], [pulse~], [parabolic~], [gaussian~], [wavetable~], [wt2d~], [randpulse~], [randpulse2~], [stepnoise~], [rampnoise~] [pink~], [gbamn~], [cusp~], [gray~] and [white~].
- Also added MIDI input and soft sync to [imp2~], [tri~], [saw~], [saw2~], [vsaw~], [square~], [pulse~], [gaussian~] and [parabolic~].
- [wavetable~] and [wt2d~] gained args to set xfading.
- Updated pdlua to 0.12.23.
- M.E.R.D.A: Added MIDI-LEARN for all modules (this is only for the knobs). Replaced some number boxes that were attached to knobs by an internal number display mechanism (new feature from knob). Improved interface of [gendyn.m~]. Preset/symbol name fixes to [flanger.m~]. Now we have automatic MIDI mode detection for [plaits.m~] and [pluck.m~] when no signals are connected (still trying to get plaits right, huh? Yup! And bow MIDI input with monophony and trigger mode has been fixed in [plaits.m~]). Added MC support to [vca.m~]. Increased range of [drive.m~] down to 0.1. Changed some objects to include the new [popmenu] GUI. [vco.m~] now uses the new MC functionalities of oscillators and doesn't need to load abstractions into [clone], I hope it makes this more efficient and clean. The [seq8.m~] module was worthless and got a decent upgrade, it's practically a new module. Added new modules (see below). Note that MERDA is still at alpha development phase, much experimental. Expect changes as it evolves.
- 22 new objects: [float2imp~], [lace], [delace], [lace~], [delace~], [gatehold], [gatedelay],[gatedelay~], [gaterelease~], [gaterelease], [popmenu], [scope3d~], [tanh~], [resonator~], [sfinfo], [smooth], [smooth2], [smooth~], [smooth2~], [dbgain~], [level~] plus [crusher.m~], [sfont.m~] and [level.m~] MERDA Modules.
Objects count: total of 573 (319 signal objects [139 of which are MC aware] and 254 control objects)!
- 323 coded objects (210 signal objects / 113 control objects)
- 227 abstractions objects (87 signal objects / 140 control objects)
- 23 MERDA modular abstractions (22 audio / 1 control)
TUTORIAL:
- New examples and revisions to add the new objects, features and breaking changes in ELSE.
- Added the MERDA modules into the examples for reference.
- Revised section on envelopes.
- New subtractive synthesis examples.
- New chapter on Modal Synthesis.
- Total number of examples is now 554! (26 new ones)
ELSE 1.0-0 RC12 with Live Electronics Tutorial Released
thank you, @timothyschoen ! unfortnately this did not work.
after commenting out the parts from your post i still got an error related to [pdlink~]
[ 25%] Built target parabolic_tilde
[ 25%] Building C object CMakeFiles/pdlink_tilde.dir/Source/Audio/pdlink~.c.o
In file included from /home/gregor/pd-else-v.1.0-rc12/Source/Audio/pdlink~.c:9:
/home/gregor/pd-else-v.1.0-rc12/Source/Shared/opus_compression.h:1:10: fatal error: opus.h: No such file or directory
1 | #include <opus.h>
| ^~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/pdlink_tilde.dir/build.make:76: CMakeFiles/pdlink_tilde.dir/Source/Audio/pdlink~.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:3596: CMakeFiles/pdlink_tilde.dir/all] Error 2
make: *** [Makefile:156: all] Error 2
I tried to just move the pdlink~.c file out of the source folder but then got errors for [pdlink]
[ 59%] Built target panic
[ 59%] Building C object CMakeFiles/pdlink.dir/Source/Control/pdlink.c.o
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:20:5: error: unknown type name ‘t_link_handle’
20 | t_link_handle x_link;
| ^~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c: In function ‘pdlink_anything’:
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:45:5: warning: implicit declaration of function ‘link_send’ [-Wimplicit-function-declaration]
45 | link_send(x->x_link, (size_t)len, buf);
| ^~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c: In function ‘pdlink_receive_loop’:
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:79:9: warning: implicit declaration of function ‘link_discover’ [-Wimplicit-function-declaration]
79 | link_discover(x->x_link);
| ^~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:81:25: warning: implicit declaration of function ‘link_get_num_peers’ [-Wimplicit-function-declaration]
81 | int num_peers = link_get_num_peers(x->x_link);
| ^~~~~~~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:84:13: error: unknown type name ‘t_link_discovery_data’
84 | t_link_discovery_data data = link_get_discovered_peer_data(x->x_link, i);
| ^~~~~~~~~~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:84:42: warning: implicit declaration of function ‘link_get_discovered_peer_data’ [-Wimplicit-function-declaration]
84 | t_link_discovery_data data = link_get_discovered_peer_data(x->x_link, i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:85:27: error: request for member ‘sndrcv’ in something not a structure or union
85 | if(strcmp(data.sndrcv, x->x_name->s_name) == 0) {
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:87:45: error: request for member ‘ip’ in something not a structure or union
87 | if(x->x_local && strcmp(data.ip, "127.0.0.1") != 0) continue;
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:88:46: error: request for member ‘ip’ in something not a structure or union
88 | if(!x->x_local && strcmp(data.ip, "127.0.0.1") == 0) continue;
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:90:31: warning: implicit declaration of function ‘link_connect’ [-Wimplicit-function-declaration]
90 | int created = link_connect(x->x_link, data.port, data.ip);
| ^~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:90:59: error: request for member ‘port’ in something not a structure or union
90 | int created = link_connect(x->x_link, data.port, data.ip);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:90:70: error: request for member ‘ip’ in something not a structure or union
90 | int created = link_connect(x->x_link, data.port, data.ip);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:93:71: error: request for member ‘hostname’ in something not a structure or union
93 | post("[pdlink]: connected to:\n%s\n%s:%i\n%s", data.hostname, data.ip, data.port, data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:93:86: error: request for member ‘ip’ in something not a structure or union
93 | post("[pdlink]: connected to:\n%s\n%s:%i\n%s", data.hostname, data.ip, data.port, data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:93:95: error: request for member ‘port’ in something not a structure or union
93 | post("[pdlink]: connected to:\n%s\n%s:%i\n%s", data.hostname, data.ip, data.port, data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:93:106: error: request for member ‘platform’ in something not a structure or union
93 | post("[pdlink]: connected to:\n%s\n%s:%i\n%s", data.hostname, data.ip, data.port, data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:96:20: error: request for member ‘hostname’ in something not a structure or union
96 | if(data.hostname) free(data.hostname);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:96:40: error: request for member ‘hostname’ in something not a structure or union
96 | if(data.hostname) free(data.hostname);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:97:20: error: request for member ‘sndrcv’ in something not a structure or union
97 | if(data.sndrcv) free(data.sndrcv);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:97:38: error: request for member ‘sndrcv’ in something not a structure or union
97 | if(data.sndrcv) free(data.sndrcv);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:98:20: error: request for member ‘platform’ in something not a structure or union
98 | if(data.platform) free(data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:98:40: error: request for member ‘platform’ in something not a structure or union
98 | if(data.platform) free(data.platform);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:99:20: error: request for member ‘ip’ in something not a structure or union
99 | if(data.ip) free(data.ip);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:99:34: error: request for member ‘ip’ in something not a structure or union
99 | if(data.ip) free(data.ip);
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:103:9: warning: implicit declaration of function ‘link_ping’ [-Wimplicit-function-declaration]
103 | link_ping(x->x_link, x, pdlink_connection_lost);
| ^~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:106:5: warning: implicit declaration of function ‘link_receive’; did you mean ‘pdlink_receive’? [-Wimplicit-function-declaration]
106 | link_receive(x->x_link, x, pdlink_receive);
| ^~~~~~~~~~~~
| pdlink_receive
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c: In function ‘pdlink_free’:
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:113:19: warning: implicit declaration of function ‘link_free’; did you mean ‘pdlink_free’? [-Wimplicit-function-declaration]
113 | if(x->x_link) link_free(x->x_link);
| ^~~~~~~~~
| pdlink_free
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c: In function ‘pdlink_set’:
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:151:17: warning: implicit declaration of function ‘link_init’ [-Wimplicit-function-declaration]
151 | x->x_link = link_init(x->x_name->s_name, pd_platform, x->x_local, 7680412);
| ^~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:155:19: warning: assignment to ‘int’ from ‘void *’ makes integer from pointer without a cast [-Wint-conversion]
155 | x->x_link = NULL; // TODO: handle this state!
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c: In function ‘pdlink_new’:
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:163:15: warning: assignment to ‘int’ from ‘void *’ makes integer from pointer without a cast [-Wint-conversion]
163 | x->x_link = NULL;
| ^
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:200:42: warning: implicit declaration of function ‘link_get_own_ip’ [-Wimplicit-function-declaration]
200 | post("[pdlink]: own IP:\n%s:%i", link_get_own_ip(x->x_link), link_get_own_port(x->x_link));
| ^~~~~~~~~~~~~~~
/home/gregor/pd-else-v.1.0-rc12/Source/Control/pdlink.c:200:70: warning: implicit declaration of function ‘link_get_own_port’ [-Wimplicit-function-declaration]
200 | post("[pdlink]: own IP:\n%s:%i", link_get_own_ip(x->x_link), link_get_own_port(x->x_link));
| ^~~~~~~~~~~~~~~~~
make[2]: *** [CMakeFiles/pdlink.dir/build.make:76: CMakeFiles/pdlink.dir/Source/Control/pdlink.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:7756: CMakeFiles/pdlink.dir/all] Error 2
make: *** [Makefile:156: all] Error 2
i hope this helps to make it work
ELSE 1.0-0 RC12 with Live Electronics Tutorial Released
Hi, it's been a while, here we go:
RELEASE NOTES:
Hi, it's been almost 8 months without an update and I never took this long!!! So there's a lot of new stuff to cover, because it's not like I've been just sleeping around
The reason for the delay is that I'm trying to pair up with the release cycles of PlugData and we're having trouble syncing up. PlugData 0.9.0 came out recently after a delay of 6 months and we couldn't really sync and pair up then... we had no luck in syncing for a new update now, so now I'm just releasing it up cause enough is enough, and hopefully in the next plugdata release we can sync and offer the same version.
As usual, the development pace is always quite busy and I'm just arbitrarily wrapping things up in the middle of adding more and more things that will just have to wait.
First, I had promised support for double precision. I made changes so we can build for it, but it's not really working yet when I uploaded to deken and tested it. So, next time?
And now for the biggest announcement: - I'm finally and officially releasing a new pack as a submodule, which is a set of abstractions inspired by EuroRack Modules, so I'm thinking of VCV like things but into the Pd paradigm. Some similar stuff has been made for Pd over the years, most notably and famously "Automatonism", but I'm really proud of what I'm offering. I'm not trying to pretend Pd is a modular rack and I'm taking advantage of being in Pd. I'm naming this submodule "Modular EuroRacks Dancing Along" (💩 M.E.R.D.A 💩) and I've been working on it for a year and a half now (amongst many other things I do). PlugData has been offering this for a while now, by the way. Not really fully in sync though.
MERDA modules are polyphonic, thanks to multichannel connections introduced in Pd 0.54! There are 20 modules so far and some are quite high level. I'm offering a PLAITS module based on the Mutable Instruments version. I have a 6-Op Phase Modulation module. A "Gendyn" module which is pretty cool. I'm also including an "extra" module that is not really quite a modular thing at all but fits well called "brane", which was a vanilla patch I first wrote like 15 years ago and is a cool granular live sampler and harmonizer. You'll also find the basics, like oscillators, filters, ADSR envelope and stuff I'm still working on. Lastly, a cool thing is that it has a nice presets system that still needs more work but is doing the job so far.
There are ideas and plans to add hundreds more MERDA modules, let's see when and if I can. People can collaborate and help me and create modules that follow the template by the way
Thanks to Tim Schoen, [play.file~] is now a compiled object instead of an abstraction and it supports MP3, FLAC, WAV, AIF, AAC, OGG & OPUS audio file extensions. A new [sfload] object can import these files into arrays (but still needs lots of more work). There are many other player objects in ELSE that can load and play samples but these don't yet support these new formats (hang in there for the next version update).
Tim also worked on new [pdlink] and [pdlink~] objects, which send control and signal data to/from Pd instances, versions and even forks of Pure Data (it's like [send]/[receive] and [send~]/[receive~], all you need is a symbol, no complicated network or OSC configuration!). And yes, it works via UDP between different computers on the same network. And hell yeah, [pdlink~] has multichannel connections support! By the way, you can also communicate to a [pd~] subprocess. This will be part of ELSE and PlugData of course, and will allow easy communication between PlugData and Pd-Vanilla for instance.
The great pd-lib-build system has been replaced for a 'cmake' build process called 'pd.build' by Pierre Guillot. This was supposed to simplify things. Also, the [sfont~] object was a nightmare to build and with several dependencies that was simply hell to manage, now we have a new and much simpler system and NO DEPENDENCIES AT ALL!!! Some very rare file formats with obscure and seldom sound file extensions may not work though... (and I don't care, most and the 'sane' ones will work). The object now also dumps all preset information with a new message and backwards compatibility broke a bit
I'm now back to offering a modified version of [pdlua] as part of ELSE, which has recently seen major upgrades by Tim to support graphics and signals! This is currently needed in ELSE to provide a new version of [circle] that needed to be rewritten in lua so it'd look the same in PlugData. Ideally I'd hope I could only offer compiled GUI objects, but... things are not ideal
The lua loader works by just loading the ELSE library, no need for anything "else". I'm not providing the actual [pdlua] and [pdluax] objects as they are not necessary, and this is basically the only modification. Since PlugData provides support for externals in lua, if you load ELSE you can make use of stuff made for PlugData with lua without the need to install [pdlua] in Pd-Vanilla.
For next, we're working on a [lua] object that will allow inline scripting and will also work for audio signals (again, wait for the next version)! Also for the next version, I'm saving Ben Wesch's nice 3d oscilloscope made in lua (it'll be called [scope3d~]). There's a lot going on with the lua development, which is very exciting.
As for more actual new objects I'm including, we have [vcf2~] and [damp.osc~]. The first is a complex one pole resonant filter that provides a damping oscillation for a ringing time you can set, the next is an oscillator based on it. There's also the new [velvet~] object, a cool and multichannel velvet noise generator that you can also adjust to morph into white noise.
I wasn't able to add multichannel capabilities to many existing objects in ELSE in this one, just a couple of them ([cosine~] and [pimp~]). Total number of objects that are multichannel aware now are: 92! This is almost a third of the number of audio objects in ELSE. I think that a bit over half might be a reasonably desired target. More multichannel support for existing objects to come in the next releases.
Total number of objects in the ELSE library is now 551!
As for the Live Electronics tutorial, as usual, there are new examples for new objects, and I made a good revision of the advanced filter section, where I added many examples to better explain how [slop~] works, with equivalent [fexpr~] implementations.
Total number of examples in the Live Electronics Tutorial is now 528!
There are more details of course, and breaking changes as usual, but these are the highlights! For a full changelog, check https://github.com/porres/pd-else/releases/tag/v.1.0-rc12 (or below at this post).
As mentioned, unfortunately, ELSE RC12 is not yet fully merged, paired up and 100% synced in PlugData. PlugData is now at version 0.9.1, reaching the 1.0 version soon. Since ELSE is currently so tightly synced to the development of PlugData, the idea is to finally offer a final 1.0 version of ELSE when PlugData 1.0 is out. Hence, it's getting closer than ever Hopefully we will have a 100% synced ELSE/PlugData release when 0.9.2 is out (with a RC 13 maybe?).
Please support me on Patreon https://www.patreon.com/porres
You can follow me on instagram as well if you like... I'm always posting Pd development stuff over there https://www.instagram.com/alexandre.torres.porres/
cheers
ps. Binaries for mac/linux/windows are available via deken. I needed help for raspberry pi
CHANGELOG:
LIBRARY:
Breaking changes:
- [oscope~] renamed to [scope~]
- [plaits~] changed inlet order of modulation inputs and some method/flags name. If a MIDI pitch of 0 or less input is given, it becomes a '0hz'.
- [gbman~] changed signal output range, it is now filtered to remove DC and rescaled to a sane -1 to 1 audio range.
- [dust~] and [dust2~] go now up to the sample rate and become white noise (removed restriction that forced actual impulses, that is, no conscutive non zero values)
- [cmul~] object removed (this was only used in the old conv~ abstraction to try and reduce a bit the terrible CPU load)
- [findfile] object removed (use vanilla's [file which] now that it has been updated in Pd 0.55-0)
- [voices] swapped retrig modes 0 and 1, 'voices' renamed to 'n', now it always changes voice number by default as in [poly] (this was already happening unintentionally as a bug when one voice was already taken). The 'split' mode was removed (just use [route], will you?)
- [voices~] was also affected by changes in [voices] of course, such as 'voices' message being renamed to 'n'.
- [sr~]/[nyquist] changed output loading time to 'init' bang
- [sample~] object was significantly redesigned and lots of stuff changed, new messages and flags, added support for 64-bit audio files (Pd 0.55 in double precision and ELSE compiled for 64 bits is required for this). Info outlet now also outputs values for lenght in ms and bit depth.
- [sfont~] uses now a simpler build system and this might not load very very rare and unusual sound formats.
Enhancements/fixes/other changes:
- builds for double precision is now supposedly supported, by the way, the build system was changed from pd-lib-builder to pd.build by Pierre Guillot.
- [play.file~] is now a compiled object instead of an abstraction thanks to Tim Schoen, and it supports MP3, FLAC, WAV, AIF, AAC, OGG & OPUS file extensions.
- Support for double precision compilation was improved and should be working for all objects (not yet providing binaries and fully tested yet by the way).
- The ELSE binary now loads a modified version of [pdlua], but no [pdlua] and [pdluax] objects are provided.
- added signal to 2nd inlet of [rm~].
- fixed 'glide' message for [mono~].
- fixed [voices] consistency check bug in rightmost outlet and other minor bugs, added flags for 'n', 'steal' and offset.
- [gain~] and [gain2~] changed learn/forget shortcut
- [knob] fixed sending messages to 'empty' when it shouldn't, ignore nan/inf, prevent a tcl/tk error if lower and upper values are the same; added "learn/forget" messages and shortcut for a midi learn mechanism.
- [mpe.in] now outputs port number and you can select which port to listen to.
- Other MIDI in objects now deal with port number encoded to channel as native Pd objects. Objects affected are [midi.learn], [midi.in], [note.in], [ctl.in], [bend.in], [pgm.in], [touch.in] and [ptouch.in].
- [pi]/[e] now takes a value name argument.
- [sr~]/[nyquist~] take clicks now and a value name argument.
- fixed phase modulation issues with [impulse~] and [pimp~].
- [cosine~] fixed sync input.
- added multichannel features to [cosine~] and [pimp~].
- [plaits~] added a new 'transp' message and a functionality to allow MIDI input to supersede signal connections (needed for the 'merda' version [see below]), fixed MIDI velocity.
- [pluck~] added a new functionality to allow MIDI input to supersede signal connections (needed for the 'merda' version [see below]).
- 26 new objects, [velvet~], [vcf2~], [damp.osc~], [sfload], [pdlink] and [pdlink~], plus abstractions from a newly included submodule called "Modular Euro Racks Dancing Along" (M.E.R.D.A)! Warning, this is all just very very experimental still, the object are: [adsr.m~], [brane.m~], [chorus.m~], [delay.m~], [drive.m~], [flanger.m~], [gendyn.m~], [lfo.m~], [phaser.m~], [plaits.m~], [plate.rev.m~], [pluck.m~], [pm6.m~], [presets.m], [rm.m~], [seq8.m~], [sig.m~], [vca.m~], [vcf.m~] and [vco.m~] (6 of these are multichannel aware).
Objects count: total of 551 (307 signal objects [92 of which are MC aware] and 244 control objects)!
- 311 coded objects (203 signal objects / 108 control objects
- 240 abstractions (104 signal objects / 136 control objects)
TUTORIAL:
- New examples and revisions to add the new objects, features and breaking changes in ELSE.
- Added a couple of examples for network communication via FUDI and [pdlink]/[pdlink~]
- Section 36-Filters(Advanced) revised, added more examples and details on how [slop~] works.
- Total number of examples is now 528!
looking for velvet noise generator
@porres said:
to never miss a period, but I also think this is a job for a C code.
To atone for my earlier SC jibe, here's a delay-based approach. (Also, indeed you're right -- I hadn't read the thread carefully enough. Dust / Dust2 don't implement exactly "one pulse per regular time interval, randomly placed within each interval.")
Uses else's del~ because delread~ requires a message-based delay time, which can't update fast enough, and delread4~ interpolates, which smears the impulses. With del~, I could at least round the delay time to an integer number of samples, and AFAICS it then doesn't interpolate.
It looks to me in the graphs like there is exactly one nonzero sample per phasor~ cycle.
hjh
PS FWIW -- one nice convenience in SC is that non-interpolating DelayN doesn't require the delay time to be rounded
(
a = { |density = 2500|
// var pulse = Impulse.ar(density);
// for similarity to Pd graphs, I'll phasor it
// but the Impulse is sufficient for the subsequent logic
var phasor = LFSaw.ar(density);
var pulse = HPZ1.ar(phasor) < 0;
var delayTime = TRand.ar(0, density.reciprocal - SampleDur.ir, pulse);
var rand = TRand.ar(-1, 1, pulse).sign;
[DelayN.ar(rand * pulse, 0.2, delayTime), phasor]
}.plot;
)
getting oscillators to line up zero crossing
@nicnut [osc~] is equivalent to [phasor~]->[cos~] (and there's no way to mix my way with your way as far as I know), but you're enforcing sync on the positive zero crossing of the base freq oscillator, and my way syncs on 1 (i.e. the start of the cosine cycle). You can shift the phase of my scheme to be equivalent to yours by subtracting 0.25 from the base phasor, thereby making the output of the following cos~ a sine wave filtermodwrap.pd. To my ear, this sounds the same as yours.
But in the title of your thread, you asked how to make all the oscillator's positive zero crossings line up with that of the base freq oscillator. If that's really what you want, then you should shift all the oscillator's phases (filtermodwrap.pd ),
Edit: this used to be much more of a stream-of-consciousness mess, but I saw you hadn't logged on in a while so I took the liberty to revise what I wrote to make it clearer. Ha, and now I see we cross-posted, oh well.
instance specific dynamic patching documentation assistance
@whale-av @ben.wes @ddw_music
I am learning about dynamic patching. The documentation describes instance specific dynamic patching as being able to send messages to a specific instance of an abstraction, by renaming the abstraction using namecanvas. The renaming can be automated using $0 expansion.
I am not familiar with where to locate namecanvas and how to use it and I am not familiar with how to use $0 expansion. Can someone please show a complete visual example of how to use instance specific dynamic patching using the exact instructions given in the documentation link?
https://puredata.info/docs/tutorials/TipsAndTricks#instance-specific-dynamic-patching
And can someone show a visual example of how to use dynamic patching to dynamically create instances of an object in an abstraction? For example, if I create a patch with a sine oscillator that can be assigned a frequency, an amplitude, and has a dac object and then make that patch an abstraction how would I be able to use dynamic patching to allow my gui to let me assign a new sound source in place of the sine oscillator? Objects like the switch object have limitations. I would want to be able to assign/unassign any number of new sounds sources in place of the sine oscillator. For example a phasor object, a noise object, or even synthesizer patch abstraction. Suggestions for other ways to do this are good and I also want to be sure to have explanations for using dynamic patching since that is what I am learning. How could this be done using dynamic patching?
General Dynamic Patching
What is the difference between pd messages and patch messages? Are they both used for dynamic patching? And how are they different from instance specific dynamic patching?
https://puredata.info/docs/tutorials/TipsAndTricks#pd-messages
https://puredata.info/docs/tutorials/TipsAndTricks#patch-messages
understanding a simple feedback oscillator
I was just experimenting with the “classic” feedback FM and stumbled on a related technique that seems quite interesting to me, especially because of its chaotic behavior. It’s actually very simple: The output of an oscillator is delayed and, scaled by some factor, fed back into that same oscillator as its frequency. So there is no external input, no carrier frequency (or a zero carrier frequency if you will), which means that it is a symmetric “through-zero” FM.
By guessing I figured out how the delay time determines the frequency of the oscillator, but I still don’t understand a few things: Why is there a factor of 4 involved so that the delay is one quarter of a cycle? And why is there still some error? I found two ways to fix it, first by oversampling and second by reducing the delay time by the duration of one half sample. To be honest I don’t have a clue why this works ... Any ideas?
What I find particularly interesting is the path from sinusoidal tones at modulation index 1 (which seems to be a critical value) to different modes of periodic oscillation and finally to chaos when the modulation index is increased: First odd harmonics are added, then even harmonics, then a period doubling or “bifurcation” occurs, and shortly after that we get into the chaotic region. This seems to be not too different from the logistic map or related chaotic maps. So I’m wondering if it’s possible to analyze the oscillator in terms of chaos theory to better understand and control its behavior.
Apart from being mathematically interesting, I think this could also be a usable noise generator with spectral control. Other effects can be achieved by adding an external input ... but for now, I’m more interested in understanding that simpler case.
Linked abstractions, synth experiment
Hello,
I am new to puredata, just started very recently and still learning how the language works.
I created a minimoog style oscillator where I can change certain parameters like: waveform, fine tuning, panning, volume. This file I named oscillator.pd, after which I created a "synth.pd" file that basically uses two "oscillator.pd" as an abstraction.
The problem is the following: when I modify one oscillator it also modifies the other, so I can't use them separately but it's as if they are linked together.
I attach the files, thanks in advance for the help!
Agustin Davrieux
PolyBLEP / BLEP / BLIT etc with oscillator sync
@nuromantix For reference:
PolyBLEP triangle
http://www.martin-finke.de/blog/articles/audio-plugins-018-polyblep-oscillator/
https://www.kvraudio.com/forum/viewtopic.php?t=375517
Hard Sync without Aliasing in this thread:
https://forum.pdpatchrepo.info/topic/5507/antialiasing/7
Did someone do aliasing-free sync without filter in pd yet?