MLT

melt prj.xml -consumer avformat:prj.mp4 \
 acodec=libmp3lame acodec=aac ab=128k \
 vcodec=libx264 b=5000k tune=film preset=slow frame_rate_num=25

see `x264 --fullhelp` for tune, preset params.

• http://www.mltframework.org/bin/view/MLT/ConsumerAvformat
• http://superuser.com/questions/358082/command-line-video-editing-in-linux-cut-join-and-preview
• http://bernaerts.dyndns.org/linux/74-ubuntu/214-ubuntu-stabilize-video-melt