spdlog | Fast C++ logging library

I'm using Vcpkg for simplicity but you should compile your dependencies as static libraries instead of shared.

If you're using vcpkg you can install the dependencies as static like such vcpkg.exe install openssl:x86-windows-static

Make sure you run CMake with VCPKG_TARGET_TRIPLET set to x86-windows-static or whatever platform you're on.

As you can see example.dll is now statically linked to OpenSSL.

Cheers

Is there a method such as logger->get_name() or anything else that would return "some name"

There is.

Because you need to register err_logger logger first. There is no default err_logger as far as I know. spdlog::get() returns logger based on its registered name, not variable.

You need a code like this. Code is complex and you may not need all of it though:

The complaint is about the C++ standard library, i.e., libstc++ and its headers. The Clang compiler itself seems to be installed correctly, but it's looking for the GCC standard C++ library, and failing.

The problem might be if you have GCC 10 installed (or partially installed).

Does the https://github.com/RobotLocomotion/drake/issues/15652 advice help? Specifically:

I can't see the problem from the pieces of code that you have posted.

Green colors are usually result of zero data (all elements of Y, U and V are zeros).
The reason for the zero content is probably because nothing is written to the destination (or source) buffers of the video frame.

I have created a "self contained" code sample that demonstrates the conversion from NV12 to YUV420 using sws_scale.

• Start by building synthetic input frame using FFmpeg (command line tool).
  The command creates 320x240 video frame in raw NV12 format:

For anyone else who runs into a similar problem, here is how I fixed it.

Essentially the function signature for the Init() function was the problem. The std::string parameter was causing the debug assertion to fire, my best guess as of right now was because of move semantics but that part I am still not sure on. So there are a couple of ways that I found to fix this.

Method 1:

Make the parameter a const char*. I don't quite like this approach as it then relies on C style strings and if you are trying to write a program in modern C++, this is a huge step backwards.

Method 2:

Make the parameter a const std::string&. Making it a const reference to a string prevents the move semantics (again as far as I know) and the assertion no longer fires. I prefer this fix as it keeps the program in modern C++.

I hope this helps anyone who has similar issues, and be careful with statics and move semantics.

Your Makefile defines:

If I understand your question correctly, you want to format your spdlog output using fmt, rather than having to specify the escape sequences yourself. For this, you can use the fmt::format function and use its output as a variable for spdlog:

Among other assumptions, the critical one is this: