rvirmoors

Hello, I looked and I haven't seen this already addressed somewhere.

I'm writing an object that's supposed to play a sequence of audio pulses with critical timing accuracy.
So far I've been assuming that every perform() takes the same physical time, and so I use:
playhead += lib::math::samples_to_milliseconds(dsp_vec_size, samplerate())to compute my current time.

The problem is, I also do some other computation in perform() (sending and receiving to/from a LibTorch model), so the resulting clicks are not equidistant.
(i've played with all combinations of Overdrive/Interrupt, same behaviour...)


Is there a way to create a parallel thread with perfect timing accuracy that I can anchor my playhead to?

perhaps using a timer<> like in min.note.make, would that be sample-accurate though?


Hello, I looked and I haven't seen this already addressed somewhere.
I'm writing an object that's supposed to play a sequence of audio ... 

precise-timing-in-min

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oops, scratch this, my code was wrong :) .. perform() does in fact take the same physical time, as it should.

for reference, here's some code to trigger a click every second:
auto vec_size = input.frame_count();
double buf_ms = lib::math::samples_to_milliseconds(vec_size, samplerate());
  playhead += buf_ms;
  for (int c = 0; c < output.channel_count(); c++) {
    auto out = output.samples(c);
    for (int i = 0; i < output.frame_count(); i++) {
      out[i] = 0.;
    }
    if (playhead >= seconds * 1000. - buf_ms) {
      int ratio = (seconds * 1000. - playhead) * vec_size / buf_ms;
      seconds++;
      out[ratio] = -1.;
      cout << "seconds: " << seconds << " ratio " << ratio << endl;
    }
  }
this keeps working even if I add back all the other fancy stuff I had in perform(). yay!


Precise timing in Min?

11olsen

Hi, the [thispatcher] object is only useful to style the window of the "first view" of a patcher. So i'm trying to use an external to modify the window of a second view of the same patcher. Many things already work by accessing attrs and methods of the correct patcherview. But how do i change window flags like grow/nogrow , float/nofloat?  That would save me a lot of fiddling with the native window on both platforms.
 

Hi, the [thispatcher] object is only useful to style the window of the "first view" of a patcher. So i'm trying to use an external to modify

2nd-patcherview-window-flags

I found out window flags are set with a method of t_patcher: (https://cycling74.com/forums/objects-with-editing-windows)

t_atom rv; // return value
object_method_parse(patcher, gensym("window"), "flags float", &rv);
object_method_parse(patcher, gensym("window"), "flags nominimize", &rv);
object_method_parse(patcher, gensym("window"), "flags nogrow", &rv);
object_method_parse(patcher, gensym("window"), "exec", &rv);

void *result;
result = object_method(patcher, _sym_makeview);
patcherview_set_visible((t_object *)result, 1);

the new window does not take the flags into account. and there's no way to set flags for the new window.

What i need in the end is a "new view" that opens as floating window above a fullscreen window.
Atm the new view always opens in fullscreen if the app is in fullscreen mode.(macOSX)
  


Hi there,

so if you send the "window" message to the patcher it will only affect the current view.
To affect additional views you need to send the "window" message to the specific view you want to modify. The message arguments remain exactly the same.

A few lines of code are worth a thousand words...


t_object *patcher = NULL;
object_obex_lookup(x, _sym_pound_P, &patcher);

{
    t_atom av[2];
    t_object *secondview = (t_object *)object_method(patcher, gensym("makeview"));
    patcherview_set_visible(secondview, 1);
    
    atom_setsym(av, gensym("flags"));
    
    atom_setsym(av+1, gensym("nominimize"));
    object_method(secondview, gensym("window"), patcher, 2, av);
    
    atom_setsym(av, gensym("exec"));
    object_method(secondview, gensym("window"), patcher, 1, av);
}
    
{
    t_atom av[2];
    t_object *thirdview = (t_object *)object_method(patcher, gensym("makeview"));
    patcherview_set_visible(thirdview, 1);
    
    atom_setsym(av, gensym("flags"));

    atom_setsym(av+1, gensym("float"));
    object_method(thirdview, gensym("window"), patcher, 2, av);
    
    atom_setsym(av+1, gensym("nogrow"));
    object_method(thirdview, gensym("window"), patcher, 2, av);
    
    atom_setsym(av, gensym("exec"));
    object_method(thirdview, gensym("window"), patcher, 1, av);
}


If we think about the current view as the first view, the code above creates two additional views. 
The second view will have the "minimize" flag disabled, whereas the third view will be a floating window with the "grow" flag disabled.


it is great that you are building something better than thispatcher,..

"Hi, the [thispatcher] object is only useful to style the window of the "first view" of a patcher."

...but why? i use thispatcher all the time to change between panel, palette, and regular view, move windows around or hide them, all of the commands work after initialisation too.
(?)


Hi Roman, I can explain the simple idea behind this. I have m4l devices which i want to be able to be displayed in a window floating above Live.  And Max already has this concept of multiple windows displaying the same patcher. 
Send "front" to a [thispatcher] in a m4l device. You'll see a perfect duplication of the device in a window. This is a second view of the same patcher but it doesn't float above Live. And all window related messages to thispatcher are applied to the first view which is the fixed frame that is diplayed in the Live UI.

But now, I can have completely different parameters for both views.

The window title says "sub patch" but this is actually the top level patcher of the m4l device..

Luigi, for the future, is there a way to find out the signature of object methods? How could I have known that the "window" method of the patcherview needs the additional patcher argument?


Yes, good question... in an ideal world the answer should have come from those with access to the source code: i.e. C74 people. That's why I didn't answer you immediately. I wanted to see if someone from C74 would answer. But it didn't happen. They don't seem to be too responsive to this kind of dev questions, and I didn't want your question to go unanswered because it is a very pertinent and legitimate one.

So the way to find out the signature of object methods (and other things) when you don't have access to the source code is to disassemble the Max executable.
Not the most enjoyable thing to do, but if you don't have access to the source code and those who do are not available to help, this kind of reverse engineering is the only way to find out information about the code... and sometimes even this is not enough.

OK, i understand.  The forums is all we have and good guessing and try n' error skills.
Best,
O. 

..in your gif , you change the track selection in Live just after you floated the windows, ..hard to see what happens in the original track. Is the device still 'docked' and reflects the changes of the floating one ? and vice et versa ?
Are both the same 'visualization" of the same patch ?


ya, i'm changing track to show the window is floating. Yes, just 2 views of the same patch. If you turn a dial in new view you'll see it moving in the "docked view".

Luigi, I'm really close to having the external finished for both platforms. One last thing I would like to add is highlighting an object in a view for Max educational tasks. I think, hence the name, it's the "tinge" and "fadetinge" methods. But the only thing i found out with "tinge" is that it seems to expect an int as first arg and a pointer as second. but any expected combination doesn't work:
//object_method(x->w_patcherview, _sym_tinge, 1,   &rect);
//object_method(x->w_patcherview, _sym_tinge, 1, obj_box );
 //object_method(x->w_patcherview, _sym_tinge, 1,  box_id_sym); 
//object_method(x->w_patcherview, _sym_tinge, 1, patcher, obj_box );
//object_method(x->w_patcherview, _sym_tinge, 1,  patcher, box_id_sym);
and i tryed many more.
You know the signature? 
Is this the method that shows this yellow transparent panel above an object's box?


Hi there,
congrats for your external. It seems really cool.
Yes, the tinge method is something that would be super-handy to have as part of the Max API as well.
Unfortunately it is not so...

Here is the signature that I found, which I am pretty sure is correct.
However I am not sure what each argument is supposed to represent.

void patcherview_tinge(t_object *pv, long count, t_atom *objects, t_atom *retv, long flag1, long flag2, long flag3)
{
object_method(pv, _sym_tinge, count, objects, retv, flag1, flag2, flag3);
}

So let me tell you what I am guessing the arguments are:
pv: pointer to the patcherview (no brainer)
count: the number of objects in the objects array
objects: an array of atoms of A_OBJ pointers representing the objects in the patcher/patcherview.
retv: no freakin' idea... I interpreted it as some kind of return value, but I am probably wrong.
flag1, flag2, flag3: these are 3 flags which are supposed to affect the resulting tinge operation.
They can be zero or non-zero (off/on), They probably set some kind of options, but I am afraid that's all I could figure out.

You may have to mess with it a little bit to see if you can get something useful out of it.
If you do, please post back your findings.
I would be curious to know too since I have been wanting to use this method as well, but I was never able to.

the tinge method is something that would be super-handy to have as part of the Max API

thanks Luigi (object_method(pv, _sym_tinge, count, objects, retv, flag1, flag2, flag3)) 
The count acts very strangly. If i use a single atom like this it works:
t_atom a;
t_atom rv;
t_object *obj = (t_object *)object_method(x->jp, _sym_getnamedbox, gensym("me"));
atom_setobj(&a, obj);
object_method(x->w_patcherview, _sym_tinge, 1, &a, &rv, 0, 0, 0 );
the tinge becomes visible and fades out after a sec.

Creating an atom array with 2 object, I have to set the count to 3 or only the first object is tinged.
Using 3 objects I have to set the count to 7.
Using 4 objects I have to set the count to 13 ! 
Without understanding this I can't calc the count for a number of objects.

retv returns A_NOTHING or undefined type numbers.

For flag 1 and 2 I couldn't notice any change in any combination. Flag 3 set to 1 keeps the tinge alive and doesn't fade it to transparent. The big question is how to clear this static tinge for an object. Called multiple times, it's layering tinges on top until there's no transparency left. Maybe "fadetinge" can clear them?

BTW: I'm using "showtarget" which is already better than nothing. It places an outlined red dot marker somewhere in the view.
//on
object_method(x->w_patcherview, _sym_showtarget, 1, int X, int Y);
//off
object_method(x->w_patcherview, _sym_showtarget, 0);

Luigi, maybe you can also confirm this signature. thanks

Hi Olsen,

 as far as the signature for patcherview_showtarget() goes, what you have is correct.
Here is the signature:
patcherview_showtarget(t_object *pv, long state, int x, int y);

As far as the tinge method goes, I am afraid that's as far as we'll get without C74's help.
You already got it somewhat working, which is something I was never able to do.
It seems to make it work properly you need a combination of tinge and fadetinge, but it is hard to know how it is supposed to be used.

BTW, I double checked and I noticed that the rv argument is not a return value but an input value to the function.
That's why you weren't seeing anything meaningful being returned in there.
I believe it somehow affects the type of tinge action, so you need to define the atom in your code and pass it.
Maybe that in combination to the objects arg will give new meaning to the count arg???
Sorry, I know it's a long shot but I am not able to be more precise.

As I said, please take everything I say with a grain of salt as lots of it is just guesswork.
As you have seen, the arguments I guessed for patcherview_tinge() may not even be the correct ones in the end.
It seems the count arg is somehow related to the number of objects to tinge but it is not the real object count.

Again, if C74 could spare 5 minutes to point us in the right direction, that would be highly appreciated. Maybe we could start a new dev thread on how to tinge objects in a patcherview tied to a feature request to include the tinge method in a future version of the SDK?

I can add that if flag 3 is set, the "tinge" method is returning a reference to the tinge which can be cleared  later with "fadetinge". 
void *result = NULL;
result = object_method(x->w_patcherview, _sym_tinge, 1, &a, &a2, 0, 0, 1);
object_method(x->w_patcherview, _sym_fadetinge, result);

But the 2 pointers are still confusing. It's interesting that you can exchange them (first empty, second holds objects) and it behaves exactly the same. Objects are tinged but the count is off. 

the signature that I get from fadetinge is:patcherview_fadetinge(patcherview *pv, void *result, long n);

So I bet that the extra long argument allows you to set the fade time.

Ok, we can't give up now then... we almost have it.
Email me off-list at: superbigio[at]yahoo[dot]com


happy new year !
...one year after I am still veryyyy entousiast with this external..

Did you managed to make it working ? maybe a beta version is publishabled ?

Hi Julien, happy new year. Wow how fast this year went over. I only have a Windows prototype. Other stuff prevented me from porting this to Mac. And a motivation killer is a bug with jit.pwindow which doesn't display properly in the second view of the device. I reported this as a bug to c74 and they promised to look into it but never got back at me.

happy new year ! ...one year after I am still veryyyy entousiast with this external..

EDIT : I am only on windows in case of Mac specific problem...

Hi, yes, I have a beta version working on both platforms. Contact me so I can send via email!
best,
O. 

11Olsen.
your external seems soooo promizing !
I have to say that without the help file, some stuff stay a bit obscur to me..*
But your amxd is very useful !


One thing in particular is strange for me  :

when the device is in floating mode and if i select another track (where my patch with your external is not), the float window doesn't report GUI changes, I can click for example on a slider on the floating window, if this slider moves a track volume in Live, i will see the track slider move in Live, but in the floating window, the slider doesn't move...but it works anyway. And if my floating window for example report a Live parameter, for example tempo : if I move the live tempo in Live while the track where my device is is selected, I can see in my floating window the report of the tempo change, but there is no report if I select another track...

I hope i am clear enough, sorry for my bad english...


@SCHLAM Do you have an example so I can reproduce the bug. I have not noticed something like frozen UI. 

In the little bpatcher with 2 live.dial and two sliders, add an observer of any live parameter.

Then if you open this bpatcher with your (wonderful=) external, 
the bpatcher in floating window only reports  the value if the track containing the device is selected.

Also while the track containing the device is not selected, if you move the dial controlling this parameter,
the corresponding value will move in Live but not in the floating window...
...until you select the track where the device is AND select the floating window..
EDIT: selecting the floating window (while another track is selected) doesn't refresh it until you select the track where 11.newview is..


Here is a picture of the bpatcher I tried, it only get/set the master volume.
can you reproduce ?

here window10 / Live 10.2.10b2 / max 8.5.2

Also, 
I didn"t manage too to move left or right the position of the scrollbar in the docked device.
It's surely because I didn't understand well how to set the rectangle I want to be shown in the  floating window..

I love too your trick with the 2 live.dials bigger but :
It should be great to do not have to click on a "colored pixel" of the dial to be able to move it.
It should be great too to choose if you want these big dials to be displayed or not when the Live app is focused or not


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There are ways to prevent the click-through background but let me check the mapping thing first.

I can reproduce, it seems to be a special case with bpatcher. Thanks for spotting this! When the last view of a patcher containing the bpatcher is closed, the GUI in an additional opened view of the bpatcher isn't updated anymore.  
Hope add a fix/workaround to the external soon.
to move the visible patcher area of a view you have to use the visiblecanvasrect messages after the view is visible. If you mean scrolling the docked view you'll have to use the abstraction in the test device that makes this possible, otherwise Live resets the canvasrect everytime.
   
 

I noticed too that  [panel] 's property "drag window" is greyed in the inspector 

if for example you click several times on the first button of your test device, several floating views will be created, then it's only on the last created one that the red close button is working. For the others one, how do you close them if they have been opened with a "window flags notitle" argument, and the "windows10" close button is not available ?



Best is to make sure the user is not allowed to open multiple additional views. eg check the "isopen" output. The external can only be attached to one view at a time. But it is also possible to attach the object to already opened views and even other patchers. see "open_specials" subpatcher. You can use multiple instances of the external if you really need to handle 3 or 4 views of the same patcher at the same time (rare case, i think).

"notitle" windows are closed with a "close" msg to the object (provided that it is attached to the contained view)
   

thank you again!
let me explain what I am trying to achieve.
Maybe you can tell me some tricks...
I scratch my head so much..


I need 3 max patchers in my setup:

-Patcher1 is a maxpatch that is not linked with Live (I need it to exchange stuffs with Patcher2 in Live) it runs on standalone max8.5.2. it doesn't have to be concerned by 11newview ...
-Patcher2 is an audio device in Live 11.2.10b2
-Patcher3 is in Patcher2 (but maybe you will advice me to put it elsewhere..)


When the Live set is opened : 
-Patcher3 auto opens. It is a very little patcher with transparent bgcolor and two toggles (and a draggable panel) that sends "11newview" message to control Patcher2's view (the main device) . Patcher3 appears at the top of Live like 2 stock toggles in an empty space of the Live's toolbar.

-----toggle1 : open/close Patcher2 in floating view (and always patcher2 even if another patcher or window is focused..) .Patcher2 is opened by Patcher3 with some characteristics ; "Preset_A".... (zoomfactor X, size Y Z...etc...). or Preset_B etc..

this "open/close" toggle, recalls the last position of Patcher2 if it has been move, and recalls the characteristics of the last "Preset_X" chosen.

-----toggle2 : change the characteristics of Patcher2'view presets( _A, _B, _C)((zoomfactor, size...etc...) on the fly. (toggle1 always open/close patcher 2 whatever the preset and remember it.

I use since a longtime a working version of this mechanism but i don't manage to implement that with 11newview.. Each time I think I am close : little Patcher3 becomes the patcher controlled by 11newview. I don't manage that "Patcher2" allways stays the only patcher controlled by 11newview whatever I focus another window. There is only one 11newview in Patcher2. In patcher3 there is just toggles..

I tried some stuff in your special patcher but really don't understand well how to achieve that...

I cannot copy a patch for now, but maybe you have an example of this kind of routine ?

Too bad that you can't send me something as it is time consuming to build it from your description. If there's sensitive code just take it out.? But it sounds like an easy task. Simply use a separate 11newview for patcher 2 and 3 like you would do with [thispatcher].   

I will try to send you something today..
The main thing I don't understand is how to allways "bind" 11newview to a dedicated patcher whatever happens. I thought that banging "open Patcher2.maxpatch, open invisible etc....." will allways open Patcher2 when "Patcher2.maxpatch" is one of the outputs of the message "toppatcherlist". 
But while  patcher3 is opened once, the toggle open/close on it banging to "open Patcher2.maxpatch, open invisible etc.....", close/open itself and not Patcher2 anymore...

well...hard to talk without my computer..
thanks for your help !


changing the patcher focus is only for special cases. don't mess with it if you don't need to. The default patcher focus of the object is on the patcher containing it, put a newview object into each of the patchers. You really have to think of it as a [thispatcher] with some extra features, The second thing is the view focus/binding which is normally on the new created view. any view that was in focus before is released but not closed. 
But we could save many words if you send something to work with. Also I think the conversation is maybe not so interessting for forum members and we know each others email adr. ;) 


2nd patcherview window flags

volker böhm

I'm working on an external that can send/receive apple events. All is fine, accept that I can't get Max to ask macos to allow sending the events. In other words: I need to create an entrance in system preferences -> security & privacy -> automation tab. I would normally do this by adding the key "Privacy - AppleEvents Sending Usage Description" in the info.plist of my application to get a system prompt asking the user to allow this or not. But adding this key to the info.plist of my external doesn't do the trick.
I was able to get it working some years ago on my old machine. But now on the new one I tried everything without success. Anybody knows how to do this?


I'm working on an external that can send/receive apple events. All is fine, accept that I can't get Max to ask macos to allow sending the ev

sendreceive-apple-events-from-external-object

I think you can test and trigger the dialog from your code. Maybe similar to this? 

@11olsen - thanks, this works for the accessibility tab, but not for _automation_.
There isn't even a way to add entrances manually into this tab - these can only be done by the system itself (approved by the user). 
I also tried to define and use 'entitlements' but without success. 
Everything's working fine in a command line tool, running basically the same code.
btw, this is on macos 12.1


Isn't this part of OSX security that you can't insert new entries without user approvement? Maybe someone else knows more. I'm a Windows user.. 

yes, exactly and this is why I need Max to ask for permission for automation, so the user can allow it. 
But running my code in a max external, I can't get the system dialog and all apple events fail silently.


It seems with every new OSX version it becomes harder to access anything outside of your app. OSX owns your computer. Your app is the sandbox you're allowed to play in.  

https://forum.juce.com/t/send-apple-event-do-not-show-automation-permission-dialog-when-using-juce-gui-application/49443/2 ?

at the end he's adding a second key to the plist

Hi Volker, I was having problems with permissions in a standalone and was advised to downgrade max to 8.1.11 - that solved it for me. It was a bug. Not sure if this has been fixed in the newest release.

Thanks for the hint, but unfortunately this doesn't seem to change anything here.


Hi Volker, I ticketed this request for further review. I'll let you know if there's anything we can do here.

If this is for private use, a temporary solution would be to grant
Max automation access using tccplus

https://github.com/jslegendre/tccplus

@ROB - thanks, that's great. Please let me know if I can help with any additional info.
@SOURCE - I quickly dabbled with this, but it didn't solve the problem. While I can grant permissions to Max to send appleevents, I didn't find a way to set permissions for controlling a specific target app.  Might be just me, not knowing how to use the tool correctly, though. 
Anyway, I would have been happy to just try it out locally. But in the end, the results might be interesting for others, too. I'm trying to resurrect the old [s2m.wacom], as I need to get tablet interaction back on my new machine.


Hi Volker, I realized I never followed up on this. Since 8.3 Max shipped with an updated entitlements that should allow apple events. Please let us know if this is working as expected now (signing and notarizing will likely be required).

Select System Preferences (from the Apple Menu)

Select Automation (you may need to scroll down)

     5 .Select the checkbox next to the "System Events.app" for the in5 - Mac Installer.app

send/receive apple events from external object

Luigi Castelli

I am using the function saveasdialog_extended() to give the user the choice to save two different types of image files. (PNG or JPEG)
Here is the relevant code snippet:

void myobj_do_image_save(t_myobj *x, t_symbol *msg, long argc, t_atom *argv)
{
    t_symbol *sym;
    char name[MAX_FILENAME_CHARS];
    t_filepath path = 0;
    t_fourcc type = 0;
    t_fourcc typelist[2] = { FOUR_CHAR_CODE('PNG '), FOUR_CHAR_CODE('JPEG') };
    short typecount = 2;
    t_max_err err;
  
    if (argc && argv) {
        if (atom_gettype(argv) == A_SYM) {
            sym = atom_getsym(argv);
            strncpy_zero(name, sym->s_name, MAX_FILENAME_CHARS);
        } else {
            strncpy_zero(name, “untitled.png”, MAX_FILENAME_CHARS);
        }
    } else {
        strncpy_zero(name, “untitled.png”, MAX_FILENAME_CHARS);
    }
    err = saveasdialog_extended(name, &path, &type, typelist, typecount);
    if (err == MAX_ERR_NONE) {
        post("name: %s, path: %d, type: %d”, name, path, type);
    } else {
        post(“user cancelled…”);
    }
}

I am using the latest Max SDK 7.3.3 and I am noticing some unexpected behavior in the function saveasdialog_extended() as prototyped in ext_proto.h.
In my code the ‘type’ argument doesn’t seem to return the type of file chosen by the user.
I get the file name and the path ID correctly, but - no matter what I try - the function always returns a zero for the type argument.
Can someone double check that?
How is it possible to distinguish what file type has the user selected in the dialog box?

Any help is highly appreciated.
Thank you.

Hello there,
I am using the function saveasdialog_extended() to give the user the choice to save two different types of image files. (PNG or

save-as-dialog-box-with-multiple-file-choice

Below is the code used for writing Dictionaries in the dict object as either YAML or JSON.

char 			filename[MAX_PATH_CHARS];
	short 			path = 0;
	t_fourcc 		types[3] = {'DICT', 'JSON', 'YAML'};
	t_fourcc		outtype = 0;
	t_max_err		err;

	filename[0] = 0;

	if (!userpath || !userpath->s_name[0]) {
		saveas_promptset("Export as file...");

		err = saveasdialog_extended(filename, &path, &outtype, types, 3);
		if (err)		// User Cancelled
			return err;
	}
	else {
		strncpy_zero(filename, userpath->s_name, MAX_PATH_CHARS);
	}

	dictobj_enforce_filesuffix(filename, MAX_PATH_CHARS, &outtype);

	if (outtype == 'YAML')
		err = dictionary_write_yaml(x->m_dictionary, filename, path);
	else
		err = dictionary_write(x->m_dictionary, filename, path);

thanks for your help. I am finally getting somewhere...
Could you please post the code for the dictobj_enforce_filesuffix() function.
It doesn't seem to be declared/defined anywhere in the SDK.

It's not very exciting :-) but here it is:

void dictobj_enforce_filesuffix(char *filename, long maxlen, t_fourcc *type)
{
	char *c;
	char has_json_extension = false;
	char has_yaml_extension = false;

	c = strrchr(filename, '.');
	if (c) {
		if (!strcmp(c, ".json"))
			has_json_extension = true;
		else if (!strcmp(c, ".yaml"))
			has_yaml_extension = true;
		else if (!strcmp(c, ".yml"))
			has_yaml_extension = true;
	}
	if (*type == 'JSON' && !has_json_extension)
		strncat_zero(filename, ".json", maxlen);
	else if (*type == 'YAML' && !has_yaml_extension)
		strncat_zero(filename, ".yaml", maxlen);
	else if (*type == 0) {
		if (!has_yaml_extension && !has_json_extension) {
			*type = 'JSON';
			strncat_zero(filename, ".json", maxlen);
		}
		else if (has_yaml_extension)
			*type = 'YAML';
		else if (has_json_extension)
			*type = 'JSON';
	}
}

Hello Luigi! Did you implemented the code and does it work as expected? I also tried it but had no luck :-( Maybe you can post your code snippet? Thank you so much for your help!

Save As dialog box with multiple file choice

Brad Garton

I haven't been keeping up with the forum lately, so perhaps this was answered (quick search didn't yield anything definitive).  Does using the 8.2.0 SDK require CMake, or can it also be used with XCode to build M1 objects?  Alternatively, can the 8.0.3 SDK be used to build M1 objects if it is set with the appropriate arch flags?

I haven't been keeping up with the forum lately, so perhaps this was answered (quick search didn't yield anything definitive).  Does using t

m1-externals-creation-8-2-08-0-3

Ha, never mind.  I think I see what to do now.  Silly me.

I am also silly, but an answer to your own question could help me to know why I am silly...
There are so many open source Max externals around, that I would love to see a step by step tutorial for silly people like me, how to build an external from a repository lets say from 2016 (Jamoma for example) for M1 and Max 8... XCode is installed...
That would be a good starting point...


M1 externals creation, 8.2.0/8.0.3

jason@seeinginvideo.com

I have an application that I developed that is only affecting some Windows 10 users but not all of them. The application would open then immediately shut down. I saw in the event viewer that it produced an Application Error 1000, Fault Type 4 error when this happens. I looked up some information and did several steps, including SFC, clean booting, reinstalling .NET Framework, etc. None of that worked. Then randomly out of habit I defragmented my drive and suddenly the application now opens. It still produces an Application Error 1000, but type 5 this time. It does not affect the application performance whatsoever.

My question is this: Why? And what can I do to ensure this does not happen for users of this application? So far I am guessing that it has to do with ASLR. Are the standalone applications compiled with the /DYNAMICBASE flag? If this is the case, then is there a workaround for the specific standalone?

I am posting the actual error details below.

Fault 4 error cycle:  Fault bucket 1923725877593378771, type 4 
Event Name: APPCRASH Response: Not available Cab Id: 0  Problem signature:
P1: Interstream_Windows.exe
P2: 8.0.8.58005
P3: 5d44b1d2
P4: Interstream_Windows.exe
P5: 8.0.8.58005 
P6: 5d44b1d2 
P7: c0000005 
P8: 000000000090a90f 
P9:  
P10:   
Analysis symbol:  Rechecking for solution: 0
Report Id: e67385ca-22aa-4211-9cf4-ed3fc989c5e1 
Report Status: 268435456 Hashed bucket: c712bd3c5c6c3c2d6ab2727e4b2e0fd3 Cab Guid: 0   

Faulting application name: Interstream_Windows.exe, version: 8.0.8.58005, time stamp: 0x5d44b1d2 
Faulting module name: Interstream_Windows.exe, version: 8.0.8.58005, time stamp: 0x5d44b1d2 
Exception code: 0xc0000005 Fault offset: 0x000000000090a90f
Faulting process id: 0x58dc 
Faulting application start time: 0x01d9213ffe2c75f1 
Faulting application path: C:\Users\jbernagozzi\Desktop\Interstream_Windows\Interstream_Windows.exe 
Faulting module path: C:\Users\jbernagozzi\Desktop\Interstream_Windows\Interstream_Windows.exe Report Id: e67385ca-22aa-4211-9cf4-ed3fc989c5e1 
Faulting package full name:  Faulting package-relative application ID:    

Fault 5 is different, here is this code:    

Fault bucket 1733984756823260336, type 5 Event 
Name: BEX64 Response: Not available Cab Id: 0  Problem signature: 
P1: Interstream_Windows.exe 
P2: 8.0.8.58005 
P3: 5d44b1d2
P4: ucrtbase.dll 
P5: 10.0.18362.1110 
P6: b4cacc38
P7: 000000000006dace
P8: c0000409
P9: 0000000000000007
P10:   
Analysis symbol:  Rechecking for solution:
Report Id: 5c9cea6d-60d0-4b5f-ad90-99be23184f85
Report Status: 268435456 Hashed bucket: 66ccab7de70f21c6181059f304647cb0 


Faulting application name: Interstream_Windows.exe, version: 8.0.8.58005, time stamp: 0x5d44b1d2
Faulting module name: ucrtbase.dll, version: 10.0.18362.1110, time stamp: 0xb4cacc3
Exception code: 0xc0000409 Fault offset: 0x000000000006dace 
Faulting process id: 0x1678 Faulting application start time: 0x01d9216b9f3abbe8 
Faulting application path: C:\Users\jbernagozzi\Desktop\Interstream_Windows\Interstream_Windows.exe 
Faulting module path: C:\WINDOWS\System32\ucrtbase.dll 
Report Id: 5c9cea6d-60d0-4b5f-ad90-99be23184f85 
Faulting package full name:  Faulting package-relative application ID:

I have an application that I developed that is only affecting some Windows 10 users but not all of them. 

standalone-memory-crashing-in-windows-10

max installs several dlls  into system, also ucrtbase.dll



Maybe your users are mising it, have incompatible version, who knows ...

I allway bundle all dlls that max usually installs into standalone
and don't  even install max at all but rather extract it using msiexec,
and place dlls next to exe file.
like this


that keeps me out of trouble when using different versions of max,
and makes sure standalones get their versions of needed dlls
when distributed.


That's super interesting. Just to be clear, you do not install Max as normal using windows installer and extract it using msiexec? 

Just curious, the application I created has an external that uses specialized .dll's for processing, but it seems to only work in windows on Max version 8.0.8 (its fine on Mac). Could it be that for whatever reason the .dll's are just out of date?

I can not say anything without knowing details.

Sometimes also windows versions behave differently
home - pro or enterprise ...

and yes, I never install Max.
I have many Max versions on PC
to be able to apply updates to  standalone apps which 
have been compiled over years using different max versions.

I don't want surprises when using older code or have to check
which  objects changed their behaviour in the meantime.


I have tried the above suggestion and it is still an issue. However I do have some more insight, one other question, if you don't mind?

So we produce a series of apps all done in Max. The common denominator for this app having issues is not the app itself. When people open it for the first time, it works. But if they open another one of our apps and then this one, then it crashes before opening like described above. I wonder if that has to do with memory registry? Is there a way to differentiate this within multiple max standalones? I think this might be the key to the problem, but nothing I have searched for has yielded results.

Thanks for being so generous with your suggestions

I have no problem using several Max Standalones on windows,
even different generations - from max 4 till 8 and also keep them running at same time.

But I allways set own preferences file and info for each app.

That crashing I guess is caused by stuff that your standalones execute.


Standalone Memory Crashing in Windows 10

TPV TP.AVA

I could build a exe file when I completed audio tuning in MAX.
But I don't want exe with UI, I need exe work like as command line directly.
I provided signal input file in, the exe file created signal output file out.
is it possible?

I could build a exe file when I completed audio tuning in MAX.
But I don't want exe with UI, I need exe work like as command line ... 

is-max-possible-build-a-exe-file-that's-without-ui


max code always needs a top level patcher, but you can give the top level patcher a windows size of 0/0 using [thispatcher].

be careful: before programming a windows size of 0/0 it is better implement a resize function to 300/300 which can be controlled with a keyboard command.

you can also hide the menubar of a max runtime with a message.


https://cycling74.com/forums/how-to-hide-standalone-app-from-task-bar

This is a snippet from an app of mine that hides the top level window off the edge of the screen and then brings it back again if the mouse is held at the top edge of the screen for three seconds:


Also, if you send a 1 in at the top, it hides the window and a 0 will bring it back.

There are lots of other ways that you could control this and other ways to size and position the hidden window (see bottom right hand message box) but the objects in the bottom two rows are the key to making it happen.

I will try to hide the windows.
However, I found executed EXE file need "turn on" power, can I executed without turn on directly? 



unfortunatley it is indeed a bit difficult to turn on DSP by [loadbang].

you would have to implement it using a generous delay time which will work in  all situations and also on slower computers, or it might fail.

is MAX possible build a exe file that's without UI?

when I completed MAX patcher, how could I implement it in DSP device.

due to I used MAX tooling is for tuning/verity/confirm algorithm, so I need implement to DSP device when it done.
could you have any ideas? Or is there any experience could help me.
thank you^^

when I completed MAX patcher, how could I implement it in DSP device.

due to I used MAX tooling is for tuning/verity/confirm algorithm, so ... 

how-could-i-implement-max-patcher-in-dsp-device

thanks for your reply,
DSP device is like as ADZS-21569,
https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adzs-21569-ezkit.html

How could I implement MAX patcher in DSP device?

yeswecan

Hey everyone!
A simple question - how does the min.textslider example in Min-Devkit hide the mouse? The only call to mouse related API that I was able to find is c74::max::jmouse_setposition_view at line 181. While it moves the mouse back into the widget, I fail to see how it gets hidden in the first place. Any clues? Any other places I should ask this question? Thanks!

Here's the example on GitHub just in case: https://github.com/Cycling74/min-devkit/blob/main/source/projects/min.textslider/min.textslider.cpp


Hey everyone!
A simple question - how does the min.textslider example in Min-Devkit hide the mouse? The only call to mouse related API that ... 

how-does-the-min-textslider-example-hide-the-mouse

How does the min.textslider example hide the mouse? (min-devkit related)

benedikt.sailer

Hi everyone,

I'm taking my first steps with the min-devkit.

I've been looking through all examples and docs I could find, but I'm failing to find out, how the mechanics for the Max attrui object are working. Basically I want to be able to do the same thing in my external, that attrui does: 

1. Detect the object I'm hooked up to via cable
- I'm currently attaching my external to other objects by finding them with  void* c74::max::object_findregistered (nameSpace, name); 
and then attach to them withc74::max::object_attach_byptr

- This is working in so far, that my external now receives notifications from the object I'm attached to, once I manually change attributes on the object from within Max. So far so good. 

- I want to find the object I'm attaching to by connecting a patch-cord though, just like attrui does it .. How would I accomplish this? Is there an example anywhere? Is this even possible through min-devkit? (I really wish there was something like a "onPatchcordConnected" callback in the inlet/outlet classes...) 

2. Read out the objects attributes (names and values)
This is where I'm failing, working from the void* pointer i receive from the above mentioned void* object_findregistered() call.
 I was under the impression I could just cast the void* to a dictionary (be that c74::min or c74::max) and that also seems to work (at least the cast result is not NULL), but once I then call dictionary functions on my casted object, i get access violations, so I'm definitely doing something wrong. 

How do I read out all attributes (both keys and values) from an object, that is delivered as a void* via  c74::max::object_findregistered

Or even better, how do i read out all attributes from an object, that I found because a cable connection was made?

Any takers :)?

Hi everyone,

I'm taking my first steps with the min-devkit.

I've been looking through all examples and docs I could find, but I'm failing ... 

recreating-attrui-functionality-with-min-devkit

the (undocumented) message name in min that allows for handling patchcord connections is called patchlineupdate.

the only example of this that I know of is in the github source for the jit.mo.join object from the jit.mo project. That source lists each of the arguments to this function, but usually you only care about source and destination objects, and whether it's a connect or disconnect.

in order to query the destination object's attribute state I believe you will have to jump down to C. you can get all the attribute names via object_attr_getnames and iterate those. Untested code below (dest is a t_object * passed into patchlineupdate)

long j, symcount= 0;
t_symbol **symarray = NULL;

// get the name of the attributes of the destination object
object_attr_getnames(dest, &symcount, &symarray);
for (j = 0; j < symcount; j++) {
	long ac;
	t_atom *av = NULL;

	// get the attr
	void *attr = object_attr_get(dest, symarray[j]);

	// or get the value
	object_attr_getvalueof(x, symarray[j], &ac, &av);
}

Just tried it and that actually solved all my issues for now! I wish there was a like button for that kind of comprehensive answer :) 

Cheers

So, that didn't take too long and I hit my next roadblock :) . 

I'm assuming it's due to my lack of understanding of C (I'm a 100% C++ guy and treat C as such, which is painful at best...)

The object I'm fetching the attributes from is [gen~]. I'm specifically interested in fetching [param]s. 

With the 
object_attr_getvalueof(x, symarray[j], &ac, &av);
method I can fetch the current values of any of the params, that's all great. 

But now I want to also get the attributes of each [param]. 

E.g. i have the following object in gen~: 
[param someName @min 0. @max 1. @default 0.5]
and I want to read out min/max/default

How would I accomplish that going from the attribute returned by
object_attr_get()
? I'm assuming those will be child-attributes of the attribute representing the entire [param]? But how do I access those?



Hi,

I don't know if this works with params, since gen is somehow a world in itself, but if I'm not wrong attributes in Max are objects themselves (from a C++ perspective, they would be a derived class of t_object — actually, what the Max API does with structs inside structs is roughly what a C++ compiler does under the hood when you define a class derived from another class, except that C doesn't have an explicit syntax for dealing with this and you're responsible for all the casts). So I'd try with object_attr_getnames((t_object*) attr, blahblah).

While that makes sense to me and the whole point of nested objects/attrs is consistent with the docs, it doesn't seem to work that way (on gen~ objects at least). 

 /// get the attr for a [param] called "gen_param_name"
 void *attr = object_attr_get ((t_object*)genObject, gensym("gen_param_name"));
 

  /// get the names of the attributes of the param long symcount= 0;
 t_symbol **symarray = NULL;
 object_attr_getnames ((t_object*) attr, &symcount, &symarray);

/// print attribute names
 for (long j = 0; j < symcount; j++) {
     cout << "\tFound param attribute: " << symarray[j]->s_name << endl;
 }
This consistently only finds one attribute name on each [param], which is "category".  So unfortunately I don't think that was it, or am I misunderstanding what you're saying?

You're not misunderstanding, that's exactly what I had in mind. It makes me think that so-called param attributes are not a part of the more general Max's attribute system, but this is only a conjecture of course. Maybe having a look at the generated code might provide some information? As I'm increasingly digging into gen I'm curious, too, so let me know if you find out something!

That's a very good idea! I'll do that and hope that in the meantime someone flies by, who knows what's going on :) (or maybe this warrants its own post, since we're fairly off-topic from the thread title now?)

//Edit: 
After looking at a gen export, I have an idea but am not entirely sure how the exported code fits into the whole t_object think. It might be connected, it might not be... 

Everything is wrapped into a namespace "gen_exported". 

Inside that namespace the gen object is described as struct State

 In there we have a child structure:
 struct State -> struct CommonState -> struct ParamInfo 
ParamInfo contains all fields, that I want to access and is the place where the State initializes the parameters from. So I guess with the code above I'm trying to do 

struct State -> struct ParamInfo 

and leave out CommonState. I wonder, maybe that one attribute name I get back on every [param] is the begin of an array which represents the CommonState? (If anyone sees this, before I edit again, feel free to help me with that C syntax :-D )

min, max and scale are all attributes of an object called filterset. you can get the attr's fileterset object like this: 
void *filterset = object_method(attr, gensym("get_filterset"));

and then query the min, max and scale attributes on the returned filterset object (as well as usemin, usemax and usescale, which indicate if the attr uses those filters).

default is not exposed in any way that I can determine, but you should be able to grab this manually at initialization time I'm guessing. All of this is undocumented (though unlikely to change), use at your own risk.

Thanks, tried it, but I'm not sure if I'm doing something wrong.
void *attr = object_attr_get ((t_object*)genObject, gensym("my-cool-param-name"));
void *filterset = object_method((t_object*)attr, gensym("get_filterset"));


When I do that filterset ends up as NULL, while genObject and attr are valid. genObject is the pointer I receive on patchlineupdate connect.

Nevermind.... I just spent about 3 hours, trying to get the filterset of a non-[param] gen~ attribute.... if I try your object_method () call on an actual [param] it works of course :facepalm:

Thanks for your help everyone, I think this thread is sorted out ;-)

Cycling '74 Forums

Precise timing in Min?

oops, scratch this, my code was wrong :) ..

2nd patcherview window flags

changing the patcher focus is only for special cases. don't mess with it if you don't need to.

send/receive apple events from external object

Hi Volker, I realized I never followed up on this. Since 8.3 Max shipped with an updated entitlements that should allow apple events.

Save As dialog box with multiple file choice

Hello Luigi! Did you implemented the code and does it work as expected? I also tried it but had no luck :-( Maybe you can post your code ...

M1 externals creation, 8.2.0/8.0.3

I am also silly, but an answer to your own question could help me to know why I am silly... There are so many open source Max externals ...

Standalone Memory Crashing in Windows 10

I have no problem using several Max Standalones on windows, even different generations - from max 4 till 8 and also keep them running at ...

is MAX possible build a exe file that's without UI?

thanks for your reply, I will try it ^^.

How could I implement MAX patcher in DSP device?

thanks for your reply, DSP device is like as ...

How does the min.textslider example hide the mouse? (min-devkit related)

Hey everyone! A simple question - how does the min.textslider example in Min-Devkit hide the mouse? The only call to mouse related API that ...

Recreating attrui functionality with min-devkit

Hi Benedikt, Programmatic export is also not easily accomplished at the moment, but I've also made a feature request for that.

Cycling '74 Forums

.css-lq0bf2{font-size:18px;line-height:24px;font-weight:700;color:var(--theme-ui-colors-accent);-webkit-text-decoration:none;text-decoration:none;}.css-lq0bf2:visited{color:var(--theme-ui-colors-dark30);}.css-lq0bf2:hover{color:var(--theme-ui-colors-accent);}Precise timing in Min?

oops, scratch this, my code was wrong :) ..

changing the patcher focus is only for special cases. don't mess with it if you don't need to.

Hi Volker, I realized I never followed up on this. Since 8.3 Max shipped with an updated entitlements that should allow apple events.

Hello Luigi! Did you implemented the code and does it work as expected? I also tried it but had no luck :-( Maybe you can post your code ...

I am also silly, but an answer to your own question could help me to know why I am silly... There are so many open source Max externals ...

I have no problem using several Max Standalones on windows, even different generations - from max 4 till 8 and also keep them running at ...

thanks for your reply, I will try it ^^.

thanks for your reply, DSP device is like as ...

Hey everyone! A simple question - how does the min.textslider example in Min-Devkit hide the mouse? The only call to mouse related API that ...

Hi Benedikt, Programmatic export is also not easily accomplished at the moment, but I've also made a feature request for that.

Precise timing in Min?