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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

SOLVED
For anyone else who has had this problem, here’s the solution:

The issue is a bit weird, but is due to an undocumented notification that is sent to the external. I had assumed that if the buffer’s filename was changed, then I should receive a “buffer_modified” notification. I was ignoring every other notification — i.e. I was returning 0 at the end of my notify routine.

However, it turns out that when the buffer filename is changed, there are in fact some notifications sent, but they are not ‘buffer_modified’. So what you *actually* need to do, to stop the crash — and the correct way to deal with this is shown in the sample projects, but I hadn’t quite appreciated the importance of it — is that you need to forward *all* notifications to the buffer_ref_notify routine — i.e. you should never return 0 at the end, always: return buffer_ref_notify(x->bufferRef, s, msg, sender, data);

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 javascript gets interpreted as two parameters (jsobject and an integer) but in javascript I am passing obviously only one parameter.

- m.doEvilThingsWith(1) has one parameter and ac's value in c is one
- m.doEvilThingsWith(this.patcher) has one parameter but ac's value in c is two, is this intended or am I missing something?

Here you have the whole example

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?

See below the relevant c code part.


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 ... 

jsextensions-c-api-max-object-used-as-a-javascript-class-passing-thispatcher-as-parameter

[jsextensions c-api] Max object used as a JavaScript class: passing this.patcher as parameter

Trevor being Trevor

This post has a lot of information to give the necessary context, but essentially I can't get the project to build when I add the code to simulate a keystroke and I am not sure why. I was able to figure this out for Windows, but I am running into a problem on Mac that I can't get past. I followed the instructions of this video and github page which seem to be the most up to date.

https://www.youtube.com/watch?v=il5WblTBUgs

https://github.com/Cycling74/max-sdk/blob/main/README-8.2-update.md

I started by manipulating the min.hello-world project. I removed the greeting when the object loads, edited the bang function and created a function that responds to integers. Everything compiles and works as expected. However, I want to simulate a keystroke so I brought in the following libraries...

#include <CoreGraphics/CoreGraphics.h>
#include <ApplicationServices/ApplicationServices.h>
#include <Carbon/Carbon.h>

As far as I understand, I only need Application Services, but the other ones were added as I tried to troubleshoot issues. Anyway, to use those libraries I updated my "respond to integer" function to the following code...

message<> number {this, "int", 
        MIN_FUNCTION {
            int key = 56;
            //EDIT: this code is close to correct, but definitely don't trust it.
            //there are better examples on Stack Overflow, if you are really stuck
            //comment and could share something better. Also, it appears
            //olsen put 11strokes code up on Github. It says it's cross platform, so it
            //may be a better and more comprehensive source than what I could offer.
            
            // Create an HID hardware event source
            CGEventSourceRef src = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
            
            // Create a new keyboard key press event
            CGEventRef evt = CGEventCreateKeyboardEvent(src, (CGKeyCode) key, true);
            
            // Post keyboard event and release
            CGEventPost (kCGHIDEventTap, evt);
            CFRelease (evt);
            CFRelease (src);
 
            //this line printed before I added the above
            cout<< "Sometimes I work, sometimes I don't" << endl;
            return {};
        }
    };

Instead of Xcode (I am not very familiar with it) I am using the terminal to build using the command "

" inside the build folder which works great.

 However, the build fails once I add the keystroke specific code

. This is the error given with crucial information in bold...

Undefined symbols for architecture x86_64:
"_CFRelease", referenced from:
      hello_world::number::'lambda'(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const&, int)::operator()(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const, int) const in min.hello-world.o
  "_CGEventCreateKeyboardEvent", referenced from:
      hello_world::number::'lambda'(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const&, int)::operator()(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const, int) const in min.hello-world.o
  "_CGEventPost", referenced from:
      hello_world::number::'lambda'(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const&, int)::operator()(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const, int) const in min.hello-world.o
  "_CGEventSourceCreate", referenced from:
      hello_world::number::'lambda'(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const&, int)::operator()(std::__1::vector<c74::min::atom, hello_world::number::allocator<c74::min>> const, int) const in min.hello-world.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Even though it says the issue is for x86_64 I have seen it say arm64 instead as I've tried to get things working. For that reason, I don't think the issue is specific to the architecture, but I could be wrong. Also, Xcode intellisense autocompletes these symbols as I type them and I am able to right click and "Jump to Definition" so there is a clearly a path to these symbols, but apparently the linker or compiler is unaware of that path. To combat this (and an earlier issue), I tried updating the CMakeLists.txt for min.helloworld to the following...

# Copyright 2018 The Min-DevKit Authors. All rights reserved.
# Use of this source code is governed by the MIT License found in the License.md file.
cmake_minimum_required(VERSION 3.0)
set(C74_MIN_API_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../min-api)
include(${C74_MIN_API_DIR}/script/min-pretarget.cmake)
#############################################################
# MAX EXTERNAL
#############################################################
include_directories( 
    "${C74_INCLUDES}"
    "/System/Library/Frameworks/CoreFoundation.framework/Headers"
        "/System/Library/Frameworks/ApplicationServices.framework/Headers"
        "/System/Library/Frameworks/Carbon.framework/Headers" 
        "/System/Library/Frameworks/CoreGraphics.framework/Headers"
)
set( SOURCE_FILES
    ${PROJECT_NAME}.cpp
)

add_library( 
    ${PROJECT_NAME} 
    MODULE
    ${SOURCE_FILES}
)

target_link_libraries(  
    ${PROJECT_NAME}
    "${C74_LIBS}"
    "-framework CoreFoundation" 
        "-framework ApplicationServices"
        "-framework Carbon"  
        "-framework CoreGraphics"
)

include(${C74_MIN_API_DIR}/script/min-posttarget.cmake)
#############################################################
# UNIT TEST
#############################################################
include(${C74_MIN_API_DIR}/test/min-object-unittest.cmake)


Lastly, in trying to figure this out I was made aware of the 11olsen 11strokes project. That could potentially work for me, but I've already built something specific on Windows and replicating it on Mac would be much less future headache if possible. Also, learning is fun most of the time haha.

Anyway I'm at the point where I don't know how to proceed. It's probably something simple, but this is a bit out of my element so I'm struggling to see it. Any advice or ideas are welcomed and greatly appreciated!

https://www.youtube.com/watch?v=il5WblTBUgs 
https://github.com/Cycling74/max-sdk/blob/main/README-8.2-update.md 

Instead of Xcode (I am not very familiar with it) I am using the terminal to build using the command "cmake --build ." inside the build folder which works great. However, the build fails once I add the keystroke specific code. This is the error given with crucial information in bold...

Even though it says the issue is for x86_64 I have seen it say arm64 instead as I've tried to get things working. For that reason, I don't think the issue is specific to the architecture, but I could be wrong. Also,  Xcode intellisense autocompletes these symbols as I type them and I am able to right click and "Jump to Definition" so there is a clearly a path to these symbols, but apparently the linker or compiler is unaware of that path. To combat this (and an earlier issue), I tried updating the CMakeLists.txt for min.helloworld to the following...

# Copyright 2018 The Min-DevKit Authors. All rights reserved.
# Use of this source code is governed by the MIT License found in the License.md file.
cmake_minimum_required(VERSION 3.0)
set(C74_MIN_API_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../min-api)
include(${C74_MIN_API_DIR}/script/min-pretarget.cmake)
#############################################################
# MAX EXTERNAL
#############################################################
include_directories( 
	"${C74_INCLUDES}"
	"/System/Library/Frameworks/CoreFoundation.framework/Headers"
    	"/System/Library/Frameworks/ApplicationServices.framework/Headers"
    	"/System/Library/Frameworks/Carbon.framework/Headers" 
    	"/System/Library/Frameworks/CoreGraphics.framework/Headers"
)
set( SOURCE_FILES
	${PROJECT_NAME}.cpp
)

add_library( 
	${PROJECT_NAME} 
	MODULE
	${SOURCE_FILES}
)

target_link_libraries(  
	${PROJECT_NAME}
	"${C74_LIBS}"
	"-framework CoreFoundation" 
    	"-framework ApplicationServices"
    	"-framework Carbon"  
    	"-framework CoreGraphics"
)

include(${C74_MIN_API_DIR}/script/min-posttarget.cmake)
#############################################################
# UNIT TEST
#############################################################
include(${C74_MIN_API_DIR}/test/min-object-unittest.cmake)


Lastly, in trying to figure this out I was made aware of the 11olsen 11strokes project. That could potentially work for me, but I've already built something specific on Windows and replicating it on Mac would be much less future headache if possible. Also, learning is fun most of the time haha. 

Anyway I'm at the point where I don't know how to proceed. It's probably something simple, but this is a bit out of my element so I'm struggling to see it. Any advice or ideas are welcomed and greatly appreciated!

2021 Macbook Pro, M1 Pro, Ventura 13.3.1
cmake version 3.26.0
xcode version 14.3
max version 8.5.3
Let me know if you need anymore info!

This post has a lot of information to give the necessary context, but essentially I can't get the project to build when I add the code to ... 

mac-keystrokes-using-the-mindevkit

Following up on my own post, here's what I did to accomplish the task for those in the future. 

First, I decided to eliminate CMake and the min-devkit as variables completely and just write a basic "Command Line Tool" in Xcode to simulate a keystroke. This was a struggle and I went at the problem from many angles over a couple of days. As far I can tell, this isn't possible via C++ or Apple doesn't let any old app simulate keystrokes anymore . In hindsight, I'm thinking it's the latter. I would run my code, it would trigger Security and Privacy settings and I would allow it, but then it still not give the expected output. As far as I can tell you need to submit some kind of enhancement request now. (I tested this on Apple Silicon and Intel Based Macs by the way)
https://developer.apple.com/forums/thread/28605

Second, from my post above I was now aware of 11strokes by olsen. I downloaded it and tested it in Max, works great! That told me it was definitely possible to simulate keystrokes. In addition, I'm not sure now, but at the time I was suspicious that C++ may be part of the issue. Also I noticed 11olsen used the max-sdk instead of the min-devkit so I decided to switch to that. I am not as familiar with C so it took a little while to understand and get a customized basic object up and running. 

Once that was ready, I brought in the code to simulate a single keystroke. Immediately, I got undefined symbols error I described in my first post. At this point, I knew the problem was with CMake. I needed to manipulate the CMakeLists.txt file located under max-sdk/source/basics/myCustomExternal to make it aware of the Carbon framework I was using. This is what ended up working for me...

Dev Forum