Added support Windows (build Visual Studio 2022)

[CHERTS]

Hi,

I've added support Windows (build in Visual Studio 2022), everything builds and works just fine.

[ggerganov]

Hi @CHERTS - thank you very much for the contribution!

I want to keep the third-party dependencies at minimum, so before merging this the SDL, pthreads4w and stdatomic dependencies have to be removed.

• The SDL library is only needed for the stream example and the user should provide it themselves if they want to use it
• On Windows, there is a native thread API that should be used instead of pthreads
• The stdatomic is part of the C11 standard so it should be directly supported by the compiler - not sure why you had to add third-party implementation

[CHERTS]

• I can remove the header files and the SDL library, but then the project will not build, the user will have to download these components himself.

• Yes, you are right, Windows has a native thread API, but I am not a professional programmer and cannot write a replacement for it. Probably it should be done by a more experienced programmer.

• <stdatomic.h> for VS2022 is not yet supported when compiling as C, but this is planned for a future release, see this post

[CHERTS]

I'm sorry, but I don't see the point in removing the SDL header files from the VisualStudio project, without them it won't be able to compile
I also see no point in writing my own implementation of pthreads for windows when pthreads4w is available.
stdatomic - well, sorry, Microsoft didn't implement it for C, it's only for C++, I had to take the implementation from ffmpeg