Convertotron is a project mainly written in Python, it's free.
A universal front end for file conversion, for now targeting Linux
core architecture
Package Kit Basic GUI Contribution list
video -> text take out captions? video -> gif?
"show details" show the CLI command
miro video converter, what they're doing: https://develop.participatoryculture.org/index.php/ConversionMatrix "freevo" ? like MythTv mplayer/mencoder/ffmpeg/ffmpeg2theora vlc pandoc imagemagick Ubunt quickly for GUIs pdf2html - > output formats. drat.
free/nonfree convert in what sense? video to ascii picures or extract subtitles please don't install anything restrict to no quality loss
gstreamer - sources and sinks http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-intro-basics-bins.html
Don't just have individual entries. Many cases, the input params are independent of output params.
Use cases Detected PDF. Now what?
Capture output of conversion program? Don't want to show the user everything necessarily?