If your using 375.66 it is too old to work with ffmpeg (read the deps https://developer.nvidia.com/nvidia-video-codec-sdk)
I ran your command in F28 using ffmpeg-3.4 and nvidia-387.22 and it works. Loaded lib: libcuda.so.1 Loaded sym: cuInit Loaded sym: cuDeviceGetCount Loaded sym: cuDeviceGet Loaded sym: cuDeviceGetName Loaded sym: cuDeviceComputeCapability Loaded sym: cuCtxCreate_v2 Loaded sym: cuCtxPushCurrent_v2 Loaded sym: cuCtxPopCurrent_v2 Loaded sym: cuCtxDestroy_v2 Loaded sym: cuMemAlloc_v2 Loaded sym: cuMemFree_v2 Loaded sym: cuMemcpy2D_v2 Loaded sym: cuGetErrorName Loaded sym: cuGetErrorString Loaded lib: libnvidia-encode.so.1 Loaded sym: NvEncodeAPICreateInstance Loaded sym: NvEncodeAPIGetMaxSupportedVersion [h264_nvenc @ 0x555bcae63b60] Loaded Nvenc version 8.1 [h264_nvenc @ 0x555bcae63b60] Nvenc initialized successfully [h264_nvenc @ 0x555bcae63b60] 1 CUDA capable devices found [h264_nvenc @ 0x555bcae63b60] [ GPU #0 - < GeForce GTX 660 > has Compute SM 3.0 ] [h264_nvenc @ 0x555bcae63b60] supports NVENC frame=61303 fps=182 q=20.0 Lsize= 756139kB time=00:42:36.80 bitrate=2422.7kbits/s speed=7.58x video:635295kB audio:119852kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.131376% Input file #0 (video.mkv): Input stream #0:0 (video): 61303 packets read (786332798 bytes); 61303 frames decoded; Input stream #0:1 (audio): 79901 packets read (122727936 bytes); Total: 141204 packets (909060734 bytes) demuxed Output file #0 (test.mkv): Output stream #0:0 (video): 61303 frames encoded; 61303 packets muxed (650542493 bytes); Output stream #0:1 (audio): 79901 packets muxed (122727936 bytes); Total: 141204 packets (773270429 bytes) muxed 61303 frames successfully decoded, 0 decoding errors [AVIOContext @ 0x55ef0f3e9b40] Statistics: 996 seeks, 3817 writeouts [h264_nvenc @ 0x55ef0f2f23a0] Nvenc unloaded [AVIOContext @ 0x55ef0f2d26c0] Statistics: 909609443 bytes read, 1 seeks _______________________________________________ rpmfusion-users mailing list -- rpmfusion-users@lists.rpmfusion.org To unsubscribe send an email to rpmfusion-users-le...@lists.rpmfusion.org