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Connector

For a jitter MOP external i want to use two matrices as input and two matrices as output. For the output matrices i want to calculate some values and store it into a t_linklist for sorting the values wich are of the type connector_linesAB:

typedef struct
{
    float x;
    float y;
    float z;
} connector_point_Vec3;

typedef struct
{
    connector_point_Vec3 facePoint;
    long faceIndex;
    connector_point_Vec3 singlePoint;
    long singleIndex;
    float length;
} connector_linesAB;

The sorting and calculation of the output matrices should be done in the matrix_calc function:

t_jit_err connector_lines_matrix_calc(t_connector_lines* x, void* inputs, void* outputs)
{
    t_jit_err err = JIT_ERR_NONE;
    t_linklist* linesList = linklist_new();

    t_jit_matrix_info in_minfo, in2_minfo, out_minfo, out2_minfo;
    void *in_matrix, *in2_matrix, *out_matrix, *out2_matrix;
    char* in_bp, * in2_bp;
    float* indata, *indata2, *pospointer1, *pospointer2;
    long in_savelock, in2_savelock, out_savelock, out2_savelock;
    in_matrix = jit_object_method(inputs, _jit_sym_getindex, 0);
    in2_matrix = jit_object_method(inputs, _jit_sym_getindex, 1);

    out_matrix = jit_object_method(outputs, _jit_sym_getindex, 0);
    out2_matrix = jit_object_method(outputs, _jit_sym_getindex, 1);   

    if (x && in_matrix && in2_matrix && out_matrix && out2_matrix) {

        in_savelock = (long)jit_object_method(in_matrix, _jit_sym_lock, 1);
        in2_savelock = (long)jit_object_method(in2_matrix, _jit_sym_lock, 1);
        out_savelock = (long)jit_object_method(out_matrix, _jit_sym_lock, 1);
        out2_savelock = (long)jit_object_method(out_matrix, _jit_sym_lock, 1);

        jit_object_method(in_matrix, _jit_sym_getinfo, &in_minfo);
        jit_object_method(in2_matrix, _jit_sym_getinfo, &in2_minfo);
        jit_object_method(out_matrix, _jit_sym_getinfo, &out_minfo);
        jit_object_method(out2_matrix, _jit_sym_getinfo, &out2_minfo);
  
        jit_object_method(in_matrix, _jit_sym_getdata, &in_bp);
        jit_object_method(in2_matrix, _jit_sym_getdata, &in2_bp);
       
        if (!in_bp || !in2_bp) { err = JIT_ERR_INVALID_INPUT; goto out; }
        
        indata = (float*)(in_bp);
        indata2 = (float*)(in2_bp);
       
        for (int i = 0; i < (&in_minfo)->dim[0]; i++) {
            long offsetFacePoint = (&in_minfo)->dimstride[0] * i;
            pospointer1 = (float*)(in_bp + offsetFacePoint);
            connector_point_Vec3 facePoint;
            facePoint.x = pospointer1[0];
            facePoint.y = pospointer1[1];
            facePoint.z = pospointer1[2];

            for (int j = 0; j < (&in2_minfo)->dim[0]; j++) {

                long offsetSinglePoint = (&in2_minfo)->dimstride[0] * j;
                pospointer2 = (float*)(in2_bp + offsetSinglePoint);
                connector_point_Vec3 singlePoint;
                singlePoint.x = pospointer2[0];
                singlePoint.y = pospointer2[1];
                singlePoint.z = pospointer2[2];
                             
                connector_linesAB* newLine = (connector_linesAB*) sysmem_newptr(sizeof(connector_linesAB));
                newLine->faceIndex = i;
                newLine->facePoint = facePoint;
                newLine->singleIndex = j;
                newLine->singlePoint = singlePoint;
                newLine->length = distance(facePoint, singlePoint);

                linklist_append(linesList, newLine);
            }

        }
        
        linklist_sort(linesList, mySortListCmpfn);

        connector_linesAB* data;
        long i, count;
        long maxSinglePoints = 5;
        count = linklist_getsize(linesList);
        for (i = 0; i < maxSinglePoints; i++) {
            data = (connector_linesAB*)linklist_getindex(linesList, i);
            post("length=%f", data->length);
        }
         
        jit_object_method(out_matrix, _jit_sym_frommatrix, in_matrix, NULL);
        jit_object_method(out2_matrix, _jit_sym_frommatrix, in2_matrix, NULL);   
        
    }
    else {
        return JIT_ERR_INVALID_PTR;
    }

out:
    object_free(linesList);
    jit_object_method(out2_matrix, _jit_sym_lock, out2_savelock);
    jit_object_method(out_matrix, _jit_sym_lock, out_savelock);
    jit_object_method(in2_matrix, _jit_sym_lock, in2_savelock);
    jit_object_method(in_matrix, _jit_sym_lock, in_savelock);
    return err;
}

The memory allocation, adding Values and sorting the list seems to work but at the end of the matrix_calc function i want to free the memory with the object_free function. When i call the object_free function with the t_linklist i got following error messages:

So how do i do the right memory managment with t_linklist and my own struct types?

For a jitter MOP external i want to use two matrices as input and two matrices as output. For the output matrices i want to calculate some...

memory-management-with-tlinklist

memory management with  t_linklist

to_the_sun

I have some custom-built externals which work perfectly fine in Max itself, but whenever I try to build a standalone with them I get "no such object" errors. I have tried including the .mxe64 files themselves and tried including the folder they're in. I've tried putting them in the main Max externals folder. I've tried building a collective instead of a standalone executable. I have verified that the .mxe64 files are actually present in the resources folder of the built standalone, but it just does not seem to matter (and I have tried manually moving them to the resources folder even though they already exist there). The strangest thing of all is that out of all the countless times I've tried to build, it actually did work maybe two or three times when I saved the patch as a project first and then built it. But I can't get that to work anymore now either. I have verified that it acts the same way on a different computer.

I feel like I've tried everything. Any ideas what could possibly be causing this?  

I have some custom-built externals which work perfectly fine in Max itself, but whenever I try to build a standalone with them I get "no...

custom-externals-return-no-such-object-errors-in-standalones-but-not-max-itself

Custom externals return "No such object" errors in standalones but not Max itself. 

Mr Fold

I'm keen to get a 64bit version of the classic Vbap object by Ville Pulkki...

Some good work has been done getting the source code together, and compiling a 64bit Mac build here:

https://github.com/jamoma/JamomaDependencies/

I attempted to compile the windows version, but no joy (really not my forte!). Anyone interested in giving it a go?

https://cycling74.com/forums/unable-to-load-object-bundle-executable-2/

Hi 
I'm keen to get a 64bit version of the classic Vbap object by Ville Pulkki...
Some good work has been done getting the source code toget

help-compiling-c-source-code-for-windows-64bit-version-of-vpab-by-ville-pulkki

Help Compiling C Source code for Windows 64bit Version of VPAB by Ville Pulkki?

karl krach

i am currently trying to update a patch of mine to 64 bit since i need more memory. and i am very badly missing the jit.freenect.grab external which only runs in 32 bit.

i asked the programmer, jean marc pelletier, directly and this was his reply:

"Hi, sorry, I don’t have any time to dedicate to this project anymore… It’s open source, so if some enterprising soul (wink, wink) wants to have a stab at re-compiling, that would be great."

now... since i never compiled anything myself i am wondering: might there be any 'enterprising soul' out there who is working on this?

jit-freenect-grab-on-64-bit

jit.freenect.grab on 64 bit?

I still did not get an answer to my question so i try to edit my original post for better understanding and reproducing my Problem to hopefully some hints to my issue:

I am writing an jitter external for Max 9.0.8 with max-sdk-8.2.0:

max.testexternal.c.txt

testexternal.c.txt

Inside the external i am filling a 2x2x3 matrix and storing the matrix to brightnessTest.jxf in the Filesystem. After reading back into a matrix object i want to get the stored Values back in a jitter Patch. 

Testexternal.maxpat

 While storing the values to the matrix with this code: 

for (x->currentframe = 0; x->currentframe < 3; x->currentframe++) {
    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, xPos: %ld, yPos: %ld", x->currentframe, xCellPos, yCellPos);
        post("brightness: %f", brightness);

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

    }
}

The output to console looks fine (frames 0,1,2 are filled with values):

But when i try to read back the matrix values in the patch

it seems that only the first frame (frames 0) was read back correctly. At the second frame (frames 1) i only get 0. Values and the third frame (frames 2) i get no Values.

Hope anyone could give me a hint to solve my problem. 

I still did not get an answer to my question so i try to edit my original post for better understanding and reproducing my Problem to...

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

Joe Kaplan

I'm playing around with the default colors of my custom UI object made in Min Devkit.  The shift from light background to dark background in the default theme from Max 8 to Max 9 makes my object look terrible by default in Max 9.

I recently added attributes to customize the colors of various elements in my UI Object.

But I noticed in [attrui] that various theme colors are available.  Is there a way to access these theme colors from the External Code?

So I can set the default color of my text to the theme's "Object Text Color"?  Then my object will be responsive to the theme and I won't have to commit to a Max 8 or a Max 9 color scheme.

using-theme-colors-in-custom-externals

Using Theme Colors in Custom Externals?

If you've worked with Min Devkit enough to recognize how awesome it is, you might also have run into a few of its limitations when working with Max's more advanced features such as dictionaries, notifications, UI objects, etc.

Min Devkit is a wrapper around Max SDK, and in fact, the entire Max SDK Base is included in the min-api folder.  Mixing and matching Min Devkit and Max SDK takes some care.  There are also  a few essential, undocumented, setup components that need to be addressed before you're able to do anything substantial here.  The notes below are assembled from my learnings across several threads in this forum.  Thanks especially to 11OLSEN and Rob Ramirez for all the support.

Two Methods for Using Max SDK in Min Devkit Projects

1)  Call Max SDK Functions in Min Devkit Source Code

If you want to use a feature of the Max SDK that isn't fully implement in Min, you can call any Max SDK function by prefixing it with c74::max.  For example: c74::max::object_notify().

Follow these suggestions and you should be able to leverage most of the Max features supported by MaxSDK inside MinDevkit.

2)  Create a Max SDK Object in a Min Devkit Solution

Sometimes calling a few Max SDK functions inside a Min object is not sufficient.  Min's support for UI Objects is either incomplete, incompletely documented, or both.  You might run into something that can be done in Max SDK that is very difficult to achieve in Min (textfields  are a good example).   In this case it can be easier just to build a Min SDK object and include it  in your MinDevkit package.

There are probably a few ways to do this. Below is my preferred solution:

1) Create a new Min Object the way you normally would.

2) Delete the contents of the source file.

3) Replace the contents of the source file with well-formed Max SDK source code.  Ideally, paste in an entire example from the Max-SDK.

4)  Somewhere early in the ext_main function you will find the line where class_new() creates the class.

In the simplemax example from Max SDK it looks like this:

c = class_new("simplemax", (method)simplemax_new, (method)simplemax_free,  ....

The first argument, the string in quotes, needs to match the name of your file.  So if your source file is "MyNewObject.cpp" then the first argument of class_new() should be "MyNewObject". eg:

c = class_new("MyNewObject", (method)simplemax_new, (method)simplemax_free,  ...

Dev Forum