When I do an apt update the ppa shows up in my source list ie. Hit:25 https://ppa.launchpadcontent.net/ubuntuhandbook1/ffmpeg7/ubuntu jammy InRelease Could it be that ffmpeg -version is just dropping the 7 from the front of the version output?
On Sat, Nov 9, 2024 at 10:07 AM Ferdi Scholten <fe...@sttc-nlp.nl> wrote: > Thanks so much for the help. Not sure why but when I try to upgrade ffmpeg > > using the ppa as you suggested I get: > > > > ffmpeg is already the newest version (7:4.4.2-0ubuntu0.22.04.1+esm5). > > > > however if I check with "ffmpeg -version " I get : > > > > ffmpeg version 4.4.2-0ubuntu0.22.04.1+esm5 Copyright (c) 2000-2021 the > > FFmpeg developers > > built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) > > > > There is no 7 showing up in the version number, though maybe I already > > have the newest version installed? > > > > > > On Thu, Nov 7, 2024 at 6:37 PM Ferdi Scholten<fe...@sttc-nlp.nl> wrote: > > > >> I'm using Ubuntu 22.04 and ffmpeg version 4.4.2-0 > >>> I'm capturing 3 rtsp streams as shown at the bottom . > >>> Stream A resolution is 1600x1200 > >>> Stream B and Stream C resolution is 384x192 . > >>> Stream A and B are coming from one device (ip address) and Stream C is > >>> coming from a second device (ip address) > >>> > >>> When I start Stream A and capture it with the command below I get a cpu > >>> usage of around 90% using the top command. If I then start stream B > >>> simultaneously it shows about 25% cpu usage in another ffmpeg instance. > >>> > >>> Then with the other 2 streams running I start Stream C and it shows > about > >>> 90% cpu usage. > >>> > >>> If I start Stream B on it's own it shows 90% cpu usage. > >>> > >>> In other words it doesn't seem to matter what the resolution of the > video > >>> coming in is but rather which stream starts first that determines the > cpu > >>> usage. Does it matter that Stream A an B are coming from the same ip > >>> address and that explains why the second stream uses less cpu? My > >>> expectation is that Stream B and C would have the same cpu usage since > >> they > >>> are the same resolution just coming from different devices. Can anyone > >>> explain what I see as strange behaviour. Stream commands follow. > >>> > >>> > >>> Stream A: ffmpeg -f rtsp -irtsp://192.168.35.243:8086/?camera=world > -f > >>> v4l2 /dev/video2 > >>> > >>> Stream B: ffmpeg -f rtsp -irtsp://192.168.35.243:8086/?camera=eyes > -vf > >>> format=yuv420p -f v4l2 /dev/video3 > >>> > >>> Stream C: ffmpeg -f rtsp -irtsp://192.168.35.247:8086/?camera=eyes > -vf > >>> format=yuv420p -f v4l2 /dev/video5 > >>> > >>> Thanks, > >>> Jim > >>> _______________________________________________ > >>> > >> Does this also happen if you use a less antique version of ffmpeg? > >> Either a static build or build it from git master or use a ppa? were at > >> version 7.1 now. > >> Current versions are much better in using multiple threads and there > >> have been numerous changes to internal code to improve the resource > usage. > >> > >> for ease of use this ppa delivers ffmpeg 7.1 for ubuntu 22.04 > >> https://ubuntuhandbook.org/index.php/2024/04/ffmpeg-7-0-ppa-ubuntu/ > >> _______________________________________________ > >> 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". > >> > > Then the ppa was not correctly added to your apt sources. > _______________________________________________ > 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-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".
