vpxEncoder fails to initialize when using libvpx installed from packages

[mantiuk]

When vpx is installed from packages on Ubuntu 18.04:

sudo apt-get install libvpx-dev

and lumanenc is started, the following message is displayed:

lumaenc encoding error: Failed to initialize vpxEncoder

Everything works fine if compiled with the static version of vpx.

[gabrieleilertsen]

Hi. What version of vpx is provided by the Ubuntu repo?

I'm using Fedora 25 and vpx v1.6.1 which is no problems.

Is the problem related to the known issue detailed in the readme: "The library does not work with libvpx3 provided in Ubuntu 16.04. Uninstall libvpx-dev and compile with the static version of libvpx (provided in lib, and automatically used if libvpx cannot be found in the system)."

[mantiuk]

Yes, I should have checked the README file.

Is it possible to add a CMake check whether there is a right version of VPX?

[gabrieleilertsen]

I can try to see if it's possible. But it could potentially also be not only about version, but how vpx is compiled, e.g. if it is compiled without support for high bit-depth.