On 10/10/18, sailor-godkane <[email protected]> wrote: > Hello, > > I am using ffmpeg in a big project for video/audio automated processing. > Each project for processing requires lots of ffmpeg commands. Those commands > are run by a daemon written in ObjC using GnuStep. > Since it runs on the background i used -nostdin and -loglevel quiet for > production use. > To be sure i read everything on stdout and stderr to /dev/null but it should > not matter since the command does not output anything. > Everything run fine except sometimes a ffmpeg command will hang and i cannot > understand why. > Sometimes i can see a few % of cpu used by the commands but after hours it > was still there. > When it happens i have to shutdown my daemon and restart the processing. The > same command will then run fine and the process can be finished. > > Details of ffmpeg (compiled from source) > > ffmpeg version n4.0.2 Copyright (c) 2000-2018 the FFmpeg developers > built with gcc 4.8 (SUSE Linux) > configuration: --disable-programs --enable-ffprobe --enable-ffmpeg > --enable-libx264 --enable-gpl --enable-shared --enable-pthreads > --enable-libmp3lame --enable-pic > libavutil 56. 14.100 / 56. 14.100 > libavcodec 58. 18.100 / 58. 18.100 > libavformat 58. 12.100 / 58. 12.100 > libavdevice 58. 3.100 / 58. 3.100 > libavfilter 7. 16.100 / 7. 16.100 > libswscale 5. 1.100 / 5. 1.100 > libswresample 3. 1.100 / 3. 1.100 > libpostproc 55. 1.100 / 55. 1.100 > > System is : > > openSUSE 13.1 - 3.11.10-29-desktop > > The machine is a virtual one running on VMWare. > > The command that most often hangs is > > ffmpeg -nostdin -loglevel quiet -y -i front_slide_video.mov -an -r 16.000000 > -c:v libx264 -preset slow -b:v 5000k -aspect 1.333333 -vf > scale=640:480,pad=640:480:0:0:black front_slide_video-rescaled.mov
What if you do not use -r parameter but fps filter explicitly in filtergraph? > > But i had other commands hanging randomly as well so this is just a sample. > > Since this is completely random i have no way of testing it. The command > that hang works fine if i run it manually and it runs fine most of the time > when the daemon runs it. > I upgraded from a version 2.X that was running on the previous major version > of my software. It's been a few years since i worked on it but i don't > recall hangs back in the day with version 2. > > I had the same problem with 4.0.1 btw. > > Thanks for your help > > > > > -- > Sent from: http://www.ffmpeg-archive.org/ > _______________________________________________ > 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".
