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Joe Kaplan

// the "maxclass_setup" method is called when the class is created
// it is not called on an instance at what we think of in Max as "runtime"
message<> maxclass_setup { this, "maxclass_setup", 
    MIN_FUNCTION {
		c74::max::t_class* c = args[0];

		CLASS_ATTR_ENUM(c,	"shape", 0, "linear equal_power square_root");
		CLASS_ATTR_LABEL(c,	"shape", 0, "Shape of the crossfade function");

		return {};
	}
};

But when I do that, the linter gives an error gensym is unidentified.  I tried expanding the macro and putting c74::max in front of all the max terms.  But this causes a "read access violation" hard crash when the object loads.  Is there any 

Greetings,

i'm trying to get this example from the Min documentation to run:


// the "maxclass_setup" method is called when the class is...

min-devkit-unable-to-call-max-macros-in-maxclasssetup

Min Devkit: Unable to call Max Macros in Maxclass_setup

Julien Bayle

I’m working on developing the template made by Stefan Brunner that lets you « convert » RNBO patches to VST using juce (

https://github.com/Cycling74/rnbo.example.juce

During the development of my solution, I debugged with Max, with a vst~ object in it that allowed me to open my plugin without any problems. The templates now runs how I want it to, builds and run like a charm. The only problem is that the VST that it outputs seems to not respect every rules (?) needed for it to work properly. Let me explain. When I first compiled the code, I tried to open the plugin in Live, didn’t work, opened it in Max and Reaper and it worked, so I chose to develop using Max and focus on that problem later. Everything worked fine, I even linked max to an Xcode Scheme, and it provided a really smooth workflow. Now that I’v finished this phase, I want to fix the bug I’ve had since the start. I’ve tried to debug using pluginVal 

https://github.com/Tracktion/pluginval/tree/develop

https://github.com/steinbergmedia/vst3sdk

), and it doesn’t seem to see any problem.  

Still, the VST doesn’t appear in Ableton Live. Trying to see what is wrong, I went into Reaper to open it. It worked a few times, but without the changes I implemented to the template (and auto. GUI). Then after a few trials, it seems that it is keeping a version of the VST and not changing it (same name, same UI), even when I change the version in my Plugin folder (I tried every re-scan options)… I really don’t know what is happening, and would really appreciate some help. 

(the "I" is Iwan Paturel intern at Structure Void)

I’m working on developing the template made by Stefan Brunner that lets you « convert » RNBO patches to VST using juce...

fixing-custom-rnbo-to-vst-detectionexecution-bug

Fixing custom RNBO to VST detection/execution bug

Iwan Paturel

I'm using the RNBO export function and the VCV rack SDK to translate my RNBO patches into Rack modules. I'm trying to hack a little bit into the system (module.cpp, rnbo_source.cpp and others) in order to be able to control the appearance of the final module directly from the parameters or in/outlets metadata field. 

The issue is that there is no implementation of the "meta" field in the rnbo c++ export. Well, it does exist in the "description.json", but there is no solution implemented to access it easily, meaning that the field doesn't exit in the "rnbo_source.cpp", neither in the "ParameterInfo" struct in "RNBO_Types.h" : 

struct ParameterInfo
	{
		ParameterType type;
		IOType ioType = IOTypeUndefined;
		ParameterValue min = 0.;
		ParameterValue max = 1.;
		ParameterValue initialValue = 0.;
		ParameterValue exponent = 1.;
		int steps = 0; // 0 = continuous, 1 = toggle, 2+ indicates steps in the normalized representation
		bool debug = false;
		bool saveable = false;
		bool transmittable = false;
		bool initialized = false;
		bool visible = false;
		const char **enumValues = nullptr;
		const char *displayName = "";
		const char *unit = "";
		SignalIndex signalIndex = INVALID_INDEX;
	};


As these files are generated by RNBO during the export, I cannot modify them in order to have the informations needed. I don't want my first option to be to parse the .json file... Is there any way that I could get the metadata directly from the RNBO export in a way similar to the ParameterInfo struct ? 

Hi everyone, 

I'm using the RNBO export function and the VCV rack SDK to translate my RNBO patches into Rack modules. I'm trying to hack a...

getting-the-rnbo-parameters-metadata-with-a-getter-from-the-rnbosourcecpp-or-similar

Getting the RNBO parameters metadata with a getter from the rnbo_source.cpp (or similar)

Shakeeb Alireza

On Max 9.0.5 running on a MacBook M1 Air laptop, I just observed a very strange reproducible crash, which can be demonstrated  in the  minimal external code below.

 method there are 4 illustrative cases which were tested individually and in each case where a 

-type symbol it crashed. I will include the 

#include "ext.h"
#include "ext_obex.h"
#include "commonsyms.h"

typedef struct _jw
{
    t_object ob;  // the object itself (must be first)
    void* outlet; // one outlet
} t_jw;

void* jw_new(void);
void jw_free(t_jw* x);
void jw_assist(t_jw* x, void* b, long m, long a, char* s);
void jw_bang(t_jw* x);

void* jw_class;

void ext_main(void* r)
{
    t_class* c;

    c = class_new("jw", (method)jw_new, (method)jw_free, (long)sizeof(t_jw),
                  0L /* leave NULL!! */, A_NOTHING, 0);

    class_addmethod(c, (method)jw_bang,   "bang",   0);

    class_register(CLASS_BOX, c);
    jw_class = c;
}

void jw_free(t_jw* x)
{
    ;
}

void* jw_new(void)
{
    t_jw* x = NULL;
    if ((x = (t_jw*)object_alloc(jw_class))) {
        x->outlet = outlet_new(x, NULL);
    }
    return (x);
}

void jw_bang(t_jw* x)
{
    // NO CRASH
    t_object* mytable = (t_object*)object_new(gensym("nobox"), gensym("table"));
    object_free(mytable);

    // CRASH
    t_object* mytable = (t_object*)object_new(_sym_nobox, _sym_table);
    object_free(mytable);

    // NO CRASH
    t_object* jsonwriter = (t_object*)object_new(gensym("nobox"), gensym("jsonwriter"));
    object_free(jsonwriter);

    // CRASH
    t_object* jsonwriter = (t_object*)object_new(_sym_nobox, _sym_jsonwriter);
    object_free(jsonwriter);

    outlet_bang(x->outlet);
}


include(${CMAKE_CURRENT_SOURCE_DIR}/../../max-sdk-base/script/max-pretarget.cmake)

include_directories( 
	"${MAX_SDK_INCLUDES}"
	"${MAX_SDK_MSP_INCLUDES}"
	"${MAX_SDK_JIT_INCLUDES}"
)

file(GLOB PROJECT_SRC
     "*.h"
     "*.c"
     "*.cpp"
)
add_library( 
	${PROJECT_NAME} 
	MODULE
	${PROJECT_SRC}
	"${MAX_SDK_INCLUDES}/common/commonsyms.c"
)

include(${CMAKE_CURRENT_SOURCE_DIR}/../../max-sdk-base/script/max-posttarget.cmake)


On Max 9.0.5 running on a MacBook M1 Air laptop, I just observed a very strange reproducible crash, which can be demonstrated  in the ...

weird-crash-caused-by-use-of-sym-type-symbols-in-an-external-on-max-9

Weird CRASH caused by use of _sym-type symbols in an external on Max 9

Is there a way to debug issues (for example: get console logs like we do in web browser) on jweb? It doesn't look as easier to find logs on Max Runtime for anything inside of jweb. Anything on this will be appreciated.

Hi there,

Is there a way to debug issues (for example: get console logs like we do in web browser) on jweb? It doesn't look as easier to...

how-to-debug-jweb-issues

How to debug jweb issues?

pdelges

I'm trying to port my old sfmarkers~ external to ARM and just noticed it doesn't work for AIFF files since some Max versions.

I does work with Max8.1.11 but not with 8.3.3 and later (on intel, 64bits).

As far as I still understand my 20+ years old code,  the call to 

 pointer in the _sndfileinfo structure, even if markers are present in the soundfile.

Did something change in  sndfile_info() between Max8.1 and Max8.3?

I'm trying to port my old sfmarkers~ external to ARM and just noticed it doesn't work for AIFF files since some Max versions.

I does work...

sndfileinfo-in-extsndfileh

sndfile_info() in ext_sndfile.h

Noise Wrangler

I'm working on my first external, and I'm facing a strange issue. My external compiles fine and behaves as I want. I save a patcher with the external in it, still no issue. 

But if I close and start Max again, and directly load the patcher with the external, then I get a "No such object" error. 

One way to clear the issue is to open a new empty patcher, create an object with the external (which is now visible and doesn't cause an error), close the empty patcher (without saving it), and only then edit the external object in the original patcher. 

I'm on Windows 10, Max 8.6.1, SDK 8.2 and the external is in C. 

Hello everyone,

I'm working on my first external, and I'm facing a strange issue. My external compiles fine and behaves as I want. I save...

external-no-such-object-issue

External - No such object issue

Michael Norris

Hi there — I’m working on a Max/MSP external that processes a buffer of sound. I have a crash in buffer_locksamples that only occurs if the user changes the filename argument of the buffer that is being referenced while the external is running.

For instance, my [buffer~] object is set to ‘buffer~ myBuffer jongly.aif’. If I go in and change it to ‘buffer~ myBuffer duduk.aif’, while my external is running, I get the crash in this second line

t_buffer_obj *buffer = buffer_ref_getobject(x->bufferRef);
bufferPtr = buffer_locksamples( buffer );

My external never receives a buffer_changed notification — it just crashes with a EXC_BAD_ACCESS error.

Hi there — I’m working on a Max/MSP external that processes a buffer of sound. 

crash-in-bufferlocksamples-when-changing-the-filename-argument-of-the-buffer

Crash in buffer_locksamples when changing the filename argument of the buffer

cesc

I am working with the jsextensions c-api, the only example I know of is in the 

as parameter in javascript gets interpreted as two parameters (

) but in javascript I am passing obviously only one parameter.

grafik.png

's value in c is two, is this intended or am I missing something?

When I uncomment the line after BOOM, it crashes because I am not correctly getting the pointer to the patcher, any ideas on how to achieve that?

I am working with the jsextensions c-api, the only example I know of is in the max-sdk (simplejs)

Passing this patcher as parameter in ... 

Dev Forum