On Sun, 23 May 2021 at 15:08, Dylan Fernando <dylanf...@gmail.com> wrote:
> I got it to work, with --enable-cuda as well, using: > > PKG_CONFIG_PATH="/home/dylan/Files/nv-codec-headers" ./configure > --enable-opencl --enable-vulkan --enable-libglslang --disable-stripping > --enable-nonfree --enable-cuda --enable-cuda-nvcc > --extra-cflags=-I/opt/local/cuda/include --nvccflags="-gencode > arch=compute_52,code=sm_52 -O2" > > Thanks, > Dylan > > Dylan, That has to be a very old build of FFmpeg. The option --enable-cuda has been deprecated for months. Try building from a current release or git master. For the LLVM route, you can also pass nvccflags in this fashion: --enable-cuda-llvm --nvccflags="--cuda-gpu-arch=sm_52 -O2". These flags will differ based on your current GPU and the CUDA version in use. See https://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html#options-for-steering-gpu-code-generation FFmpeg's ./cconfigure script picks a very old set of flags that are deprecated in newer CUDA versions, hence the need to override these flags with CUDA builds. See: https://github.com/FFmpeg/FFmpeg/blob/master/configure#L4382 The difference between the build with and without the proprietary CUDA SDK will be the inclusion of the scale_npp filters. With the proprietary SDK, both the scale_npp and scale_cuda filters will be available. With the cuda llvm route, only scale_cuda will be available. For more on their usage, see https://superuser.com/a/1650962/473795 And for more on compiling cuda with llvm, see the llvm wiki entry here: https://llvm.org/docs/CompileCudaWithLLVM.html _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
