When in doubt, refer to the existing filters, examples, and/or the official ffmpeg documentation.
Results from hanged run: ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers Video:2542kB audio:0kB global headers:0kB muxing overhead 2.409572% Estimating duration from bitrate, this may be inaccurate Results from successful run: ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developersīuilt on 04:34:50 with gcc 4.4.6 20110731 (Red Hat 4.4.6-3)Ĭonfiguration: -prefix=/usr -libdir=/usr/lib64 -shlibdir=/usr/lib64 -mandir=/usr/share/man -enable-shared -enable-runtime-cpudetect -enable-gpl -enable-version3 -enable-postproc -enable-avfilter -enable-pthreads -enable-x11grab -enable-vdpau -disable-avisynth -enable-frei0r -enable-libopencv -enable-libdc1394 -enable-libdirac -enable-libgsm -enable-libmp3lame -enable-libnut -enable-libopencore-amrnb -enable-libopencore-amrwb -enable-libopenjpeg -enable-librtmp -enable-libschroedinger -enable-libspeex -enable-libtheora -enable-libvorbis -enable-libvpx -enable-libx264 -enable-libxavs -enable-libxvid -extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector -param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' -disable-stripping Note: The problem is an isolation of of similar problem in python when trying to run it as subprocess and there it hanged as well: ff.py includes ps = subprocess.Popen(ffmpeg_list, stderr=subprocess.STDOUT,stdout = subprocess.PIPE)Īnd running.
However, if I try to run it in background: ffmpeg -i H264-media-4.264 4.avi &
If I run ffmpeg as follows: ffmpeg -i H264-media-4.264 4.avi
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