== Encoding Movies with MEncoder/FFmpeg
[[PageOutline]]

=== Introduction
MPlayer is available on JURECA.
Please load the required modules first:
{{{#!ShellExample
module load Stages/Devel-2017a
module load GCC/5.4.0
module load MPlayer
}}}

For more details on MEncoder please check [http://www.mplayerhq.hu/DOCS/HTML/en/encoding-guide.html here]

==== Images => Movie:

===== Example 1: JPEG -> MPEG4 in AVI-container (with vcodec=mpeg4)
For details on lavopts check [http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc here]
{{{#!ShellExample
mencoder mf://*.jpg -mf w=1920:h=1080:fps=25:type=jpg \
-ovc lavc \
   -lavcopts vcodec=mpeg4:mbd=2:trell \
-oac copy \
-o output.avi
}}}

===== Example 2: PNG -> MPEG4 in AVI-container (with library x264 through FFmpeg integrated into mencoder)
For details on x264encopts check [http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-x264.html here]
{{{#!ShellExample
mencoder mf://*.png -mf w=1920:h=1080:fps=25:type=png \
-ovc x264 \
   -x264encopts \
      bitrate=900:bframes=1:me=umh:partitions=all:trellis=1:qp_step=4:qcomp=0.7:direct_pred=auto:keyint=300:threads=auto \
-oac copy \
-o output.avi
}}}


===== Example 3: PNG -> MPEG4 (ready for !QuickTime 7)
(ready for !QuickTime 7 limitations - taken from [https://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-quicktime-7.html here])

Pass 1:
{{{#!ShellExample
mencoder mf://*.png -mf w=1024:h=768:fps=25:type=png \
-ovc x264 \
   -x264encopts pass=1:turbo:bitrate=900:bframes=1:me=umh:partitions=all:trellis=1:qp_step=4:qcomp=0.7:direct_pred=auto:keyint=300:threads=auto \
   -vf harddup \
-oac copy \
-o output.mp4
}}}

Pass 2:
{{{#!ShellExample
mencoder mf://*.png -mf w=1024:h=768:fps=25:type=png \
-ovc x264 \
   -x264encopts pass=2:turbo:bitrate=900:bframes=1:me=umh:partitions=all:trellis=1:qp_step=4:qcomp=0.7:direct_pred=auto:keyint=300:threads=auto \
   -vf harddup \
-oac copy \
-o output.mp4
}}}

==== ffmpeg Examples
(https://www.virag.si/2012/01/web-video-encoding-tutorial-with-ffmpeg-0-9)
{{{#!ShellExample
ffmpeg -i input -c:libx264 -profile:baseline -preset:ultrafast -level 1.2
}}}

----
any feedback welcomed - h.zilken@fz.juelich.de, goebbert@jara.rwth-aachen.de