On Tue, 25 Dec 2018 at 07:22, dd <[email protected]> wrote: > > Very magical with your guide, it works well. > Thanks a lot for your quickly reply, I am very grateful. > Merry Christmas! > > > > > > > > > > > > > > > > > At 2018-12-25 02:35:35, "Dennis Mungai" <[email protected]> wrote: > >On Mon, 24 Dec 2018 at 21:23, dd <[email protected]> wrote: > > > >> Dear my friend, > >> We replace cpu with gpu to ffmpeg recently, I set the gpu device no, but > >> it still use default device 0. > >> As the following problem Code: > >> ffmpeg -hwaccel_device 2 -hwaccel cuvid -i a.mp4 -vf > >> “scale=1080:720,overlay=()” -c:v h264_nvenc out.mp4 > >> > >> > >> I found if use “scale_npp” replace “scale” will work with device 2, but > >> in that way, we will lost some filter functions > >> like overlay,suntitles burning,and so on.Is there some parameters of > >> scale_npp with the same functions? > >> Or how can I implement add water picture on gpu platform with seted > device > >> number? > >> Linux server has 5 NVIDIA card, i see it use device 0 always by the > >> nvidia-smi tool. > >> Hope your help, thank you! > > > > > >> > > > >> > >> > >> > >> > >> > >> > >> > >> _______________________________________________ > >> ffmpeg-user mailing list > >> [email protected] > >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user > >> > >> To unsubscribe, visit link above, or email > >> [email protected] with subject "unsubscribe". > > > > > >Hey, > > > >You must add the -gpu option to ffmpeg, passed to the NVENC encoder(s), as > >shown below with the example you provided:: > > > >ffmpeg -hwaccel_device 2 -hwaccel cuvid -i a.mp4 -vf > >“scale=1080:720,overlay=()” -c:v h264_nvenc -gpu 2 out.mp4 > > > >That should use the selected device, ie gpu 2. > > > >Now, retest and report back. > >_______________________________________________ > >ffmpeg-user mailing list > >[email protected] > >http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > >To unsubscribe, visit link above, or email > >[email protected] with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe".
Merry Christmas to you too! _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
