cannot generate VST audio plugin

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SOTIRIS RINIOU
SOTIRIS RINIOU on 23 Jan 2020
Commented: Charlie DeVane on 28 Jan 2020
Hello ,
i am trying to create my first audio plugin , but i am having problems generating the plugin.I am using Matlab 2019a with visual studio 2017 .The code validates ok .
When i run validate plugin this is what i get:
>> validateaudioplugin
Checking plug-in class 'equalizerV1'... passed.
Generating testbench file 'testbench_equalizerV1.m'... done.
Running testbench... passed.
Generating mex file 'testbench_equalizerV1_mex.mexw64'... done.
Running mex testbench... passed.
Deleting testbench.
Ready to generate audio plug-in.
--------
when i try to run generate plugin absolutely nothing happens. I do not get an error code , but on the other hand no compile either.
I am checking if mex is set up to use visual studio 2017 .
I run
mex -setup C++
i get
>> mex_compiler
MEX configured to use 'Microsoft Visual C++ 2017' for C++ language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
variables with more than 2^32-1 elements. You will be required
to update your code to utilize the new API.
You can find more information about this at:
https://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.
--------------
I do a compiler test.
I type :
ver
mex -setup:MSVCPP150 -v
mex.getCompilerConfigurations('C++', 'selected')
mex -setup:MSVC150 -v
mex.getCompilerConfigurations('C', 'selected')
I get this output:
>> COMPILER_TEST
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.6.0.1174912 (R2019a) Update 5
MATLAB License Number: -
Operating System: Microsoft Windows 10 Home Version 10.0 (Build 18362)
Java Version: Java 1.8.0_181-b13 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.6 (R2019a)
Simulink Version 9.3 (R2019a)
Audio Toolbox Version 2.0 (R2019a)
Control System Toolbox Version 10.6 (R2019a)
Curve Fitting Toolbox Version 3.5.9 (R2019a)
DSP System Toolbox Version 9.8 (R2019a)
Data Acquisition Toolbox Version 4.0 (R2019a)
Image Processing Toolbox Version 10.4 (R2019a)
Instrument Control Toolbox Version 4.0 (R2019a)
Optimization Toolbox Version 8.3 (R2019a)
Parallel Computing Toolbox Version 7.0 (R2019a)
Signal Processing Toolbox Version 8.2 (R2019a)
Simulink Control Design Version 5.3 (R2019a)
Statistics and Machine Learning Toolbox Version 11.5 (R2019a)
Symbolic Math Toolbox Version 8.3 (R2019a)
Verbose mode is on.
... Looking for compiler 'Microsoft Visual C++ 2017' ...
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Executing command 'set "vcroot=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"&for /f "delims= " %a in ('type "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"') do @if exist "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\%a\bin\HostX64\x64\cl.exe" call echo %vcroot%' ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Executing command 'set "vcroot=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"&for /f "delims= " %a in ('type "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"') do @if exist "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\%a\bin\HostX64\x64\cl.exe" call echo %vcroot%\VC\Tools\MSVC\%a' ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Looking for file 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat' ...Yes.
... Looking for folder 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build' ...Yes.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Kits\Installed Roots' KitsRoot10 ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Kits\Installed Roots' KitsRoot10 ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Executing command 'echo off&set "sdkversion="&(for /f %a IN ('dir "C:\Program Files (x86)\Windows Kits\10\include\" /b /ad-h /on') do ( @if exist "C:\Program Files (x86)\Windows Kits\10\include\%a\ucrt\" set "sdkversion=%a" ))&call echo %sdkversion%' ...Yes ('10.0.17763.0').
Found installed compiler 'Microsoft Visual C++ 2017'.
MEX configured to use 'Microsoft Visual C++ 2017' for C++ language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
variables with more than 2^32-1 elements. You will be required
to update your code to utilize the new API.
You can find more information about this at:
https://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.
ans =
CompilerConfiguration with properties:
Name: 'Microsoft Visual C++ 2017'
Manufacturer: 'Microsoft'
Language: 'C++'
Version: '15.0'
Location: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\'
ShortName: 'MSVCPP150'
Priority: 'A'
Details: [1×1 mex.CompilerConfigurationDetails]
LinkerName: 'link'
LinkerVersion: ''
MexOpt: 'C:\Users\sotiris\AppData\Roaming\MathWorks\MATLAB\R2019a\mex_C++_win64.xml'
Verbose mode is on.
... Looking for compiler 'Microsoft Visual C++ 2017 (C)' ...
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7'15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Executing command 'set "vcroot=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"&for /f "delims= " %a in ('type "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"') do @if exist "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\%a\bin\HostX64\x64\cl.exe" call echo %vcroot%' ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0' InstallationFolder ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Executing command 'set "vcroot=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"&for /f "delims= " %a in ('type "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"') do @if exist "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\%a\bin\HostX64\x64\cl.exe" call echo %vcroot%\VC\Tools\MSVC\%a' ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023').
... Looking for registry setting 'HKLM\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKCU\SOFTWARE\Microsoft\VisualStudio\SxS\VS7' 15.0 ...No.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VS7' 15.0 ...Yes ('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\').
... Looking for file 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat' ...Yes.
... Looking for folder 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build' ...Yes.
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Kits\Installed Roots' KitsRoot10 ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Looking for registry setting 'HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Kits\Installed Roots' KitsRoot10 ...Yes ('C:\Program Files (x86)\Windows Kits\10\').
... Executing command 'echo off&set "sdkversion="&(for /f %a IN ('dir "C:\Program Files (x86)\Windows Kits\10\include\" /b /ad-h /on') do ( @if exist "C:\Program Files (x86)\Windows Kits\10\include\%a\ucrt\" set "sdkversion=%a" ))&call echo %sdkversion%' ...Yes ('10.0.17763.0').
Found installed compiler 'Microsoft Visual C++ 2017 (C)'.
MEX configured to use 'Microsoft Visual C++ 2017 (C)' for C language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
variables with more than 2^32-1 elements. You will be required
to update your code to utilize the new API.
You can find more information about this at:
https://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.
ans =
CompilerConfiguration with properties:
Name: 'Microsoft Visual C++ 2017 (C)'
Manufacturer: 'Microsoft'
Language: 'C'
Version: '15.0'
Location: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\'
ShortName: 'MSVC150'
Priority: 'A'
Details: [1×1 mex.CompilerConfigurationDetails]
LinkerName: 'link'
LinkerVersion: ''
MexOpt: 'C:\Users\sotiris\AppData\Roaming\MathWorks\MATLAB\R2019a\mex_C_win64.xml'
>>
------------
Is there something missing ?
Help deeply appreciated.
Thank you

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Accepted Answer

Charlie DeVane
Charlie DeVane on 27 Jan 2020
Hi Sotiris,
In R2019a, generateAudioPlugin produces no output to the command window when it succeeds. So when you say "absolutely nothing happens", I suspect generateAudioPlugin worked fine and you simply failed to notice the plugin file (probably named "equalizerV1.dll") appear in your current folder. So double check to see if the plugin file is there.
If the file is not there, then we need more information. "validateAudioPlugin" with no arguments is not a valid command; you must have typed something more. Please cut-and-paste from the MATLAB command window exactly what commands you typed for validateAudioPlugin and generateAudioPlugin, including the output they produced. Also include the 'ls' command to show us what files are in the current folder after generateAudioPlugin.
hope this helps,
Charlie
  2 Comments
SOTIRIS RINIOU
SOTIRIS RINIOU on 28 Jan 2020
Hello Charlie ,
yes you are right. I found the .dll file in my curent folder.I copied it to the vst folder of my DAW and works fine.
Thanks a lot
Charlie DeVane
Charlie DeVane on 28 Jan 2020
Glad it helped.
You can use the -outdir switch to generate the plugin directly into the VST folder, saving you the manual copy step.
Charlie

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More Answers (1)

Jimmy Lapierre
Jimmy Lapierre on 27 Jan 2020
Could you try building one of the examples that are shipped with Audio Toolbox, such as "StereoWidth" ? That might help us figure out if the issue is with the setup of the machine or with "equalizerV1".
  1 Comment
SOTIRIS RINIOU
SOTIRIS RINIOU on 28 Jan 2020
Edited: SOTIRIS RINIOU on 28 Jan 2020
Hello Jimmy ,
i found the .dll file in the project folder , matlab creates the plugin without any notification.
i thought there was a problem but there wasnt :-)
Thank you for your time.

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