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README.md

modest-smf-vstnet

https://github.com/tfwio/modest-smf-vstnet

A 'modest' Windows.Forms app testing sending MIDI data to a single VST v2.4 instrument and effect.

smfio + vstnet + naudio

TARGETS: Win32, .NET Framework v4.0

NUGET PACKAGE REFS:

github/naudio/NAudio v2.7.3 [custom build; will be updated]
github.com/obiwanjacobi/vst.net Jacobi.Vst.Core and Jacobi.Vst.Interop

EMBEDDED:

github.com/tfwio/smfio Standard MIDI Format Parser

OBVIOUS QUIRKS

  • Win32/x86 VST are supported.
  • No editing, no piano-view.. we just load up a midi file and play it via the VST chain selected (or active).
  • Audio Configuration Panel needs to be configured each time the app is launched.
    vst-plugins may be loaded with erroneous configuration settings by default.
  • MIDI->SetTempo is not yet processed
  • Most VST Plugins seem to have no problem loading, however a 'plugin-loader' does not seem possible. Each Plugin should be loaded manually via the UI or by editing the XML configuration file next to the program.
    Attempts at writing a Plugin-Loader have thus far failed.
  • NAudio implementation here (customized: v1.7.3) is pretty old.

COMPILING

requirements:

  • python3 for PREBUILD step(s)
  • DotNet Framework v4.0 (e.g. Visual Studio Community 2015/17)
  • GIT

Some of the dependency *.csproj projects may Target .Net Framework v3.5.

clone this repo and enter into that directory

git clone https://github.com/tfwio/modest-smf-vstnet
pushd modest-smf-vstnet

Then before executing the main build-scripts (explained below), you'll need to call the bootstrap script which does a few things...

THE BOOTSTRAP SCRIPT

In order for the script to work:

  • GIT should be on the System Environment PATH.
  • Python3 (python.exe) should be directed to a working python3.

Same goes for the embedded smfio project which will be cloned by this script.

The bootstrap script does a number of things...

  1. Checks if Jacobi.Vst and NAudio nuget packages are installed.
    IF ./Solution/packages NOT FOUND, then ./.nuget/nuget.exe will install the needed packages via Source/gen.snd.vst/packages.config.

  2. Checks if ./Source/smfio was cloned.
    IF ./Source/smfio NOT FOUND, then it will clone the repository and checkout the revision (SHA1) as stored in ./version-smfio.
    IF ./Source/smfio IS FOUND OR… after its cloned (as mentioned above) it will continue to write the current SHA1 (revision id) to ./version-smfio.

  3. FINALLY, CREATE: ./Source/gen.snd.vstsmfui/Properties/AssemblyInfo.cs
    AssemblyInfo.cs is created using information gathered from the GIT repository.

The basic task of the bootstrap script is to tell us what version of SMFIO to use (git clone/checkout).

asm-nfo.bat calls the bootstrap script.

#! cmd.exe /c
@echo off
pushd %~dp0
"%LOCALAPPDATA%\Programs\Python\Python36\python.exe" "bootstrap"
popd

Then it would be safe to call on either of the build scripts: Build-cli40-Win32-Release.cmd or Build-cli40-Win32-Debug.cmd.

Build-cli40-Win32-Debug.cmd

#! cmd.exe /c
@echo off

SET PROJECT=Solution\\modest-smf-vstnet.sln
SET TARGET=/t:gen_snd_vstsmfui:Rebuild
SET CONF=Debug
SET PLAT=Win32

REM set msbuild_path=C:\Program Files (x86)\msbuild\14.0\bin
set msbuild_path=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin
set PATH=%PATH%;%msbuild_path%
msbuild "%PROJECT%" "%TARGET%" "/p:Platform=%PLAT%;Configuration=%CONF%" /m

You may or not wish to omit :Rebuild from the Target in the command to speed up compilation.

There is also a .vscode/tasks.json build definition which calls the DEBUG build script by default for use from Visual Studio Code.

DEBUGGING

I'd attempting a debugging session to learn the app fails to launch, due to problems loading one of the the J.Vst.(Core|Interop).DLLs.

To debug from VS-IDE, "Run Without Debugger" and once its launched, under the Debug-Menu, select "Attach" and select "modest" from the list of prospects.

About

smfio + VstNet + NAudio; A 'modest' Windows.Forms app sending MIDI data to a single VST v2.4 instrument and effect

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