[FFmpeg-user] Driver does not support the required nvenc API version

[Dennis Mungai]

On Fri, 20 Dec 2019, 20:58 Mahmood Naderan, <mahmood.nt at gmail.com> wrote:

> Hi
> I use this command which fails with this error message
>
> $ ./ffmpeg -init_hw_device cuda=0 -filter_hw_device 0 -i vid1080.mp4 -vf
>  format=nv12,hwupload,scale_npp=1280:720 -c:v h264_nvenc 720p2.mp4
> ffmpeg version N-96097-g99f505d2df Copyright (c) 2000-2019 the FFmpeg
> developers
>   built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
>   configuration: --x86asmexe=/home/mahmood/yasm-1.3.0/bin/yasm
> --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree
> --enable-libnpp --extra-cflags=-I/home/mahmood/cuda-10.1.168/include
> --extra-cflags=-I/home/mahmood/nv_codec_headers/include/ffnvcodec/
> --extra-ldflags=-L/home/mahmood/cuda-10.1.168/lib64/
>   libavutil      56. 36.101 / 56. 36.101
>   libavcodec     58. 65.100 / 58. 65.100
>   libavformat    58. 35.101 / 58. 35.101
>   libavdevice    58.  9.101 / 58.  9.101
>   libavfilter     7. 69.101 /  7. 69.101
>   libswscale      5.  6.100 /  5.  6.100
>   libswresample   3.  6.100 /  3.  6.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'vid1080.mp4':
>   Metadata:
>     major_brand     : dash
>     minor_version   : 0
>     compatible_brands: iso6avc1mp41
>     creation_time   : 2013-10-09T23:07:01.000000Z
>   Duration: 00:00:54.51, start: 0.000000, bitrate: 3997 kb/s
>     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),
> yuv420p(progressive), 1920x1080, 234 kb/s, 23.97 fps, 23.97 tbr, 90k tbn,
> 47.95 tbc (default)
>     Metadata:
>       creation_time   : 2013-10-09T23:07:01.000000Z
>       handler_name    : VideoHandler
> Stream mapping:
>   Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_nvenc))
> Press [q] to stop, [?] for help
> [h264_nvenc @ 0x55634c4b3340] Driver does not support the required nvenc
> API version. Required: 9.1 Found: 9.0
> [h264_nvenc @ 0x55634c4b3340] The minimum required Nvidia driver for nvenc
> is 435.21 or newer
> Error initializing output stream 0:0 -- Error while opening encoder for
> output stream #0:0 - maybe incorrect parameters such as bit_rate, rate,
> width or height
> Conversion failed!
>
>
>
>
> I get nv-code-headers from
>
> $ git clone https://git.videolan.org/git/ffmpeg/nv-codec-headers.git
> Modified PREFIX = /home/mahmood/nv_codec_headers
> $ make
> $ make install
>
>
> Also, nvidia-smi shows
>
> $ nvidia-smi
> Fri Dec 20 18:57:10 2019
>
> +-----------------------------------------------------------------------------+
> | NVIDIA-SMI 418.56       Driver Version: 418.56       CUDA Version: 10.1
>   |
>
> |-------------------------------+----------------------+----------------------+
> | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr.
> ECC |
> | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute
> M. |
>
> |===============================+======================+======================|
> |   0  GeForce RTX 208...  On   | 00000000:3B:00.0 Off |
>  N/A |
> | 28%   28C    P8    18W / 250W |      0MiB / 10989MiB |      0%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
> |   1  TITAN V             On   | 00000000:AF:00.0 Off |
>  N/A |
> | 35%   50C    P2    56W / 250W |   7422MiB / 12036MiB |     80%
>  Default |
>
> +-------------------------------+----------------------+----------------------+
>
>
>
> So, what are 9.1 and 9.0?
>
> Regards,
> Mahmood
>


Upgrade your driver.
At the minimum you'll need R435, recommended R440 (with Turing).

>