Function init

src/platform/linux/cuda.cpp:89–100

  };

  int init() {
    auto status = cuda_load_functions(&cdf, nullptr);
    if (status) {
      BOOST_LOG(error) << "Couldn't load cuda: "sv << status;

      return -1;
    }

    CU_CHECK(cdf->cuInit(0), "Couldn't initialize cuda");

    return 0;
  }

  class cuda_t: public platf::avcodec_encode_device_t {
  public: