On Tue, 22 Oct 2024 at 21:54, Srikanth Kotagiri <srikan...@gmail.com> wrote:
> On Mon, Oct 21, 2024 at 11:39 PM tarun singhal <tsingha...@gmail.com> > wrote: > > > I have specified thread count as 32 > > > > For 20 min video duration - I was able to get 1x speed > > > > But for 2.2hr video duration it took 12 hrs, hence lesser speed using > same > > ffmpeg command and same underlying infrastructure > > > > > > Hence I am curious, What are the factors which helps ffmpeg decide how > many > > threads to use for a particular vmaf processing > > > > > > Thanks > > > > Tarun > > _______________________________________________ > > ffmpeg-user mailing list > > ffmpeg-user@ffmpeg.org > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > To unsubscribe, visit link above, or email > > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > > > Can you share the command line you used and the full logs? > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > ffmpeg -i transcodedA.mp4 -i sourceA.mxf -filter_complex > "[0:v][1:v]scale2ref=flags=bicubic[encoded][source];[source]format=pix_fmts=yuv420p,setpts=PTS-STARTPTS[source2];[encoded]setpts=PTS-STARTPTS[encoded1];[encoded1][source2]libvmaf=feature='name=psnr|name=float_ssim|name=float_ms_ssim':n_threads=32:log_fmt=json:log_path=A0-10.json" > -f null - _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
