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build instructions windows.md

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Preparing the Build Environment on Windows

Default install paths are assumed in all projects and scripts, be prepared to adjust many things if you changed them

Required languages and applications

  • Needs Visual Studio 2019
  • It also needs both 32bit and 64bit Python 3.9 series (the msvc project assumes that you installed python for all users.)
  • InnoSetup 6.x is needed to create the installer (default installation path assumed)
  • 7-zip is needed to compress the portable version (default installation path assumed)

2. Preparing the C++ Project

  • Clone VapourSynth
  • Clone VSRepo into the VapourSynth dir (git clone https://github.com/vapoursynth/vsrepo)
  • Clone zimg into the VapourSynth dir (git clone https://github.com/sekrit-twc/zimg --branch v3.0)
  • Clone avs+ into the VapourSynth dir (git clone https://github.com/AviSynth/AviSynthPlus.git)
  • Compile 32 and 64 bit releases using the VapourSynth solution

3. Preparing the Python Project

  • Run py -3.9 -m pip install -r python-requirements.txt for 64bit.
  • Run py -3.9-32 -m pip install -r python-requirements.txt for 32bit.
  • Run cython_build.bat to compile the Python modules
  • Run docs_build.bat to compile the documentation

4. Distribution

All the above steps are necessary to create the installer

In order to build the installer you need to download and place isxdl.dll in "installer\scripts\isxdl". It can be downloaded from: NET-Framework Installer for InnoSetup

You also need 7z.exe and 7z.dll from the 32 bit version of 7-zip Both need to be placed in the "installer" dir.

There are also a few plugins that aren't included which are easier to simply retrieve from an existing VapourSynth installation/portable release. Currently these are avisource.dll, libhistogram.dll and libsubtext.dll. Likewise pfm-192-vapoursynth-win.exe is only available from installations/portable releases.

Run make_portable.bat and make_installers.bat to package things.

Additional notes

Note that the Avisynth side of AVFS won't work properly in debug builds (memory allocation and exceptions across module boundaries trolololol) Likewise AviSource can only be compiled as a release build (or debug versions of functions that aren't present are referenced)