HW_CONFIG_ENCODER_FRAMES   60 libavcodec/nvenc.c     HW_CONFIG_ENCODER_FRAMES(CUDA,  CUDA),
HW_CONFIG_ENCODER_FRAMES   63 libavcodec/nvenc.c     HW_CONFIG_ENCODER_FRAMES(D3D11, D3D11VA),
HW_CONFIG_ENCODER_FRAMES 1660 libavcodec/qsvenc.c     HW_CONFIG_ENCODER_FRAMES(QSV,  QSV),
HW_CONFIG_ENCODER_FRAMES   31 libavcodec/vaapi_encode.c     HW_CONFIG_ENCODER_FRAMES(VAAPI, VAAPI),