LOAD_FUNC         266 libavcodec/nvenc.c     (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
LOAD_FUNC         409 libavcodec/nvenc.c     nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");