[FFmpeg-user] Error while compiling cuda enabled ffmpeg in Ubuntu 22.04

[Ravi Joshi]

Thanks a lot.

It worked like a charm!

-
Thanks


On Monday, 13 March, 2023 at 12:38:42 am GMT+9, Dennis Mungai <dmngaie at gmail.com> wrote: 





On Sun, 12 Mar 2023 at 17:58, Ravi Joshi via ffmpeg-user <
ffmpeg-user at ffmpeg.org> wrote:

> Hello everyone,
>
> Thank you for allowing me to join this mailing list and post here. I am
> compiling cuda support for ffmpeg in Ubuntu 22.04 OS. Unfortunately, it
> throws the following error:
>
> ravi at asus:~/tools/ffmpeg$ ./configure --enable-nonfree --enable-cuda-nvcc
> --enable-libnpp --extra-cflags=-I/usr/local/cuda/include
> --extra-ldflags=-L/usr/local/cuda/lib64 --disable-static --enable-shared
> ERROR: failed checking for nvcc.
>
>
> I am following the documetional provided by Nvidia at
> https://docs.nvidia.com/video-technologies/video-codec-sdk/ffmpeg-with-nvidia-gpu/index.html
>
>
> Below is the necessary information:
> OS: Ubuntu 22.04.2 LTS
> CUDA Version: 11.7
> GCC Version: 11.3.0
> Kernel Version: 5.19.0-35-generic
>
> In the log file "ffbuild/config.log", I found following doubtful entry:
>
> g++ -D_ISOC99_SOURCE -I/usr/local/cuda/include -D__STDC_CONSTANT_MACROS
> -std=c++11 -c -o /tmp/ffconf.z2qxBKmX/test.o /tmp/ffconf.z2qxBKmX/test.cpp
> test_cflags_cc -std=c11 ctype.h __STDC_VERSION__ >= 201112L
> test_cc -std=c11
> BEGIN /tmp/ffconf.z2qxBKmX/test.c
>    1    #include <ctype.h>
>    2    #if !(__STDC_VERSION__ >= 201112L)
>    3    #error "unsatisfied condition: __STDC_VERSION__ >= 201112L"
>    4    #endif
> END /tmp/ffconf.z2qxBKmX/test.c
>
>
> Please see the attached log file for better understanding the issue. I am
> also sharing it via Pastbin (https://pastebin.com/9Z6Puzxp). There is a
> total of 17836 lines in the log file. Unfortunately, Pastebin marked the
> log file as "Pending Moderation" while composing this email. I apologize
> for the inconvenience.
>
>
> How to enable cuda support for ffmpeg in Ubuntu 22.04?
>
> -
> Thanks
> Ravi
>


Hey there,

nvcc isn't in your system's path.
If you run which nvcc , yiu'll get a blank output.
How was CUDA installed on your system?

Fix that and you'll be able to build with CUDA support.
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