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Shakeeb Alireza

It currently has one external (chuck~) with the following features:

- Generate and process audio via an embedded chuck engine by running chuck files with `global` parameters adjusted and controlled in realtime via Max messages.

- Layer sounds by running multiple chuck files concurrently.

- Add and remove audio and audio processes on the fly via Max messages.

The project's repo is: https://github.com/shakfu/chuck-max

While this is not a release yet of the external itself, the repo contains all of the external's dependencies and is very straightforward to compile using the standard Max SDK build system.

 external for Max 5. The chuck and Max apis have changed considerably since then, so a minimal rewrite was necessary with a view to incorporating some of the original external's features eventually.

chuck-max is a project to  embed the chuck engine in a Max/MSP external.
It currently has one external (chuck~) with the following ... 

chuck-max-a-new-project-to-develop-a-maxmsp-external-with-an-embedded-chuck-engine

chuck-max: a Max/MSP external with an embedded  chuck engine

Joe Kaplan

I've built a cool object with MinDevkit with lots of functions, structs, and variables.  The file is getting pretty unwieldy.  I'd like to move a lot of this stuff to a separate header file, or ideally a  few separate header files.  So I can call my function inside the Message code, without loads and loads of preamble in the main object file.

But  with min devkit, we are essentially declaring a class, not defining one.  o basically what I'm trying to do is split a class declaration across multiple files.   Which is not great C++ style as far as I understand it.  I've tried a few different ways to hack this.  Some things can be externalized and some things can't, and the number of exceptions I'm encountering wind up fragmenting the code in confusing ways, which undermines the reason for doing this in the first place.

Any C++ Wizards know of a good way to take the entire private members section of class declaration and put it into a different file from the rest of the class?

I'd love to keep my main object file focused on attributes and messages and keep the gobs of preamble those messages depend on somewhere else.

Greetings,

I've built a cool object with MinDevkit with lots of functions, structs, and variables.  The file is getting pretty unwieldy. ...

mindevkit-using-headers-for-complex-objects

MinDevkit: Using Headers for complex objects?

Simple question.  Is it possible to use the paint method in the SDK to paint text with a hyperlink?  Any suggestions for how to achieve this with MinDevkit?

I am doubtful, but I thought it might be worth asking.  Thanks!

Hi all,

Simple question.  Is it possible to use the paint method in the SDK to paint text with a hyperlink?  Any suggestions for how to...

sdk-paint-text-with-hyperlink

SDK:  Paint text with hyperlink?

Connector

I am writing a c-external which should write different Values to a 2x2x3 Matrix. The Matrix should be stored in a .jxf file and should be able to read back in a normal Jitter Patch for further processing.

 if (x->brightnessmatrix == NULL) {
     jit_matrix_info_default(&info);
     info.planecount = 1;
     info.dimcount = 3;
     info.dim[0] = x->cols; //set to 2
     info.dim[1] = x->rows; //set to 2
     info.dim[2] = x->frames; //set to 3
     info.type = _jit_sym_float64; //_jit_sym_float32
     x->brightnessmatrix = jit_object_new(_jit_sym_jit_matrix, &info);
 }

I am setting different brightnes Values inside a loop for each cell and every Frame:

for (i = 0; i < x->nrOfCells; i++) {
    yCellPos = i / x->cols; 
    xCellPos = i % x->cols; 
    
    brightness = 25. * i;
    post("i: %ld", i);
    post("x->currentframe: %ld", x->currentframe); //is set outside the loop
    post("brightness: %f", brightness);

   
    brightnessp = brightness_bp  //pointer to matrix
        + xCellPos * sizeof(float) //xCellPos times 
        + yCellPos * sizeof(float) * (&brightness_minfo)->dim[0]
        + x->currentframe * sizeof(float) * (&brightness_minfo)->dim[0] * (&brightness_minfo)->dim[1];
    *brightnessp = brightness;

}

When i Run the code above i get following output in max console: 

t_jit_err testexternal_savematrices(t_testexternal* x, long ac, t_atom* av) {
    int t, h, z, e, i;
    char name[MAX_FILENAME_CHARS];
    t_filehandle fh;
    t_ptr_size position;
    long err;
    short pathId, exist, binflag;
    position = 0;
    binflag = 0;
    err = JIT_ERR_NONE;

    pathId = path_getdefault();

    for (i = 0; i < x->nrOfCells; i++) {
        t = i / 1000;
        h = (i - 1000 * t) / 100;
        z = (i - 100 * h - 1000 * t) / 10;
        e = (i - 10 * z - 100 * h - 1000 * t);

        sprintf(name, "cellmatrix%u%u%u%u.jxf", t, h, z, e);
        exist = locatefile(name, &pathId, &binflag);
        if (!exist)
        {
            path_deletefile(name, pathId);
            object_error((t_object*)x, "%s: overwriting file", name);
        }

        if (err = path_createsysfile(name, pathId, 'JIT!', &fh)) {
            error("could not create file a");
            goto out;
        }

        if (jit_bin_write_header(fh, position)) {
            error("could not write header");
            sysfile_close(fh);
            goto out;
        }
        if (jit_bin_write_matrix(fh, x->gridMatrices[i])) {
            error("could not write matrix");
            sysfile_close(fh);
            goto out;
        }
        sysfile_getpos(fh, &position);
        sysfile_seteof(fh, position);
        if (jit_bin_write_header(fh, position)) {
            error("jit.matrix: could not write header");
            sysfile_close(fh);
            goto out;
        }
        sysfile_close(fh);
    }

    sprintf(name, "brightness.jxf");
    exist = locatefile(name, &pathId, &binflag);
    if (!exist)
    {
        path_deletefile(name, pathId);
        object_error((t_object*)x, "%s: overwriting file", name);
    }

    if (err = path_createsysfile(name, pathId, 'JIT!', &fh)) {
        error("could not create file b");
        goto out;
    }

    if (jit_bin_write_header(fh, position)) {
        error("could not write header");
        sysfile_close(fh);
        goto out;
    }
    if (jit_bin_write_matrix(fh, x->brightnessmatrix)) {
        error("could not write matrix");
        sysfile_close(fh);
        goto out;
    }
    sysfile_getpos(fh, &position);
    sysfile_seteof(fh, position);
    if (jit_bin_write_header(fh, position)) {
        error("jit.matrix: could not write header");
        sysfile_close(fh);
        goto out;
    }
    sysfile_close(fh);

out:
    return err;
}

When i use following Patch to load the brightness.jxf back to Max Application i get only 0. values in the matrix: 

ReadingMatrix.maxpat

So is there another way to read the values in a 2x2x3 Matrix?

Or have i made a mistake while storing the values into the Matrix in my external?

I am writing a c-external which should write different Values to a 2x2x3 Matrix. The Matrix should be stored in a .jxf file and should be...

problem-with-writing-a-matrix-to-jxf-file-and-reading-it-back-to-jitter

Problem with writing a matrix to jxf File and reading it back to Jitter

Ben Jacobs

I've been out of the Max game for quite a long while and looking to set up my current dev machine (Mac Mini M4, OS 15.x) for 

building Max 9 compatible externals, coding in C++

. My target platform will be MacOS only. I intend to figure out RNBO export some other day.

 I'm finding seems fairly stale. Written in 2022, it's talking about "new" support for M1 silicon and MacOS 10.15 (!).  Hoping some kindly soul would respond here with fresh advice on the latest/greatest supported (i.e. C74 friendly) versions of the various related tools. Or simply point to more recent docs in case I've overlooked them somewhere.

I have to assume that someone out there is happily and successfully building stuff on current generation MacOS + hardware. Will be most grateful if such person wants to save me (and any future travelers) a bunch of needless trial and error on this :-)

Hello Max dev community!

I've been out of the Max game for quite a long while and looking to set up my current dev machine (Mac Mini M4,...

currentlatest-toolssdk-for-building-c-max-externals

current/latest tools+SDK for building C++ Max externals???

David Landon

I'm working on writing an external that sends max audio signal over the internet, via UDP, directly from Max/MSP. I'm using Libuv for asynchronous I/O in an effort to reduce latency.

My question is this: how can I copy the entire signal vector at once, into a buffer that I can then send. I've reviewed the original Olaf Matthes netsend~ code and then the same netsend~ as updated by Remu and Oliver Guillerminet, and they use the old style performance methods where t_signal **sp is passed to the method and then the signal vector can be grabbed from sp->s_vec.

The new dsp64 process uses double, I know. And I _believe_ that it is a double pointer to another pointer that is an array of the samples, but without access to the code that passes variables into that routine, I'm fumbling around, not really knowing what's going on "under the hood". Does anybody have any insight into how to do this?

At this point, my best guess would be to hop into the perform64 method, and do something to the effect of:

memcpy(my_vector, inL , sizeof(maxvectorsize))???

Thoughts? Ideas? Any help would be GREATLY appreciated!

* As an aside: I know that audio over internet can be done using TCP via jit.catch and then jit.net.send. Though, my goal is to see what would happen if i were to forgo quality as a means of minimizing latency. The C74 post describing the above mentioned process mentions not seeing any performance gains using UDP (wouldn't it be sooooo nice if they would release that code anyway?), but I'm wondering if there's a point, with super small vector sizes, that serious, synchronized live performance could be had, even if some packets are lost in transport.

Hi All,
I'm working on writing an external that sends max audio signal over the internet, via UDP, directly from Max/MSP.  I'm using Libuv f

pass-entire-signal-vector-to-buffer-t_signal-what-is-double-**ins-pointing-to

Pass entire signal vector to buffer? t_signal? What is double **ins pointing to?

I am trying to write an jitter external for Max 9 with Max 8.2 SDK. I have the problem that Max does crash when i use my external in a patch and i do not really know why? 

So is there a way to debug the external? 

Or is it possible to write some information from the jitter object or wrapper to the max console with a print method or something similar?

Or are there any log files where i can find some information about the reason for crashing max?

Hi,

I am trying to write an jitter external for Max 9 with Max 8.2 SDK. I have the problem that Max does crash when i use my external in a...

jitter-c-external-debugging

Jitter c external debugging

One of the long-standing objectives in my 

 (python3 externals for Max) project is to have a way for Windows user of the library to build relocatable python3 externals which can be used in standalone and packages. Various methods for doing this are already provided for macOS users, but presently, Windows users are only able to link python3 externals to local python3 installations.

Recently, I've been chipping away at this problem and have just developed a way to link a python3 dll to its dependent dlls in the 

 folder of a package which is along the lines of the 

Everything works as it should except for one thing: I had to basically treat the 

 folder as the direct container for the dlls. So instead of 

<package_name>/support/python/python313.dll+related files

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