On Fri, Nov 3, 2017 at 7:48 PM, Baek Seung Hoon <seung51h...@gmail.com> wrote:
> Hello, > Thanks to your reply :-) > > As your mentions, Hw decoder already has resize option. > Why I use scale_npp filter with Sw decoder is Hw decoder(=cuvid) couldn't > read some of video files while Sw decoder(=h264) could read it. > So I choose a decoder this way -> use the Sw decoder if Hw decoder failed > read video file. > Like I mentioned; not really a problem to use sw-decoder. You should use whatever you want/need. > Your reply message is helpful to me ^^. > But I have a problem what same as previous mail. > In case that I use both Sw decoder and Hw encoder with below command, and > Only GPU0 encoder have working. > I did change option as -gpu 0 or -gpu 1, it doesn't affect. > Have you tried using sw-decoder->hw-decoder without scale-npp? Something like: ffmpeg -i ./input.mp4 -c:v h264_nvenc -gpu 1 -c:a copy ./output.mp4 Does that use the correct GPU? I assume that "hwupload_cuda" have a unknown bug because "gpu" option was > works well when I remove "hwupload_cuda". > I think it's uploading to GPU 0 by default. There is an option 'device' for hwupload_cuda. Could you try specifying the device for hwupload_cuda? _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
