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Arista Transcoder 0.9.3

A simple preset-based transcoder for the GNOME Desktop and a small script for terminal-based transcoding. Settings are chosen based on output device and quality preset.

http://programmer-art.org/projects/arista-transcoder

Dependencies

  • python-gudev
  • python-cairo
  • python-gobject
  • python-gtk >=2.16
  • python-gconf
  • python-gstreamer
  • gstreamer-ffmpeg
  • gstreamer-plugins-base
  • gstreamer-plugins-good
  • gstreamer-plugins-bad
  • gstreamer-plugins-ugly

Installation

Installation uses python distutils. After extracting the archive, run:

python setup.py install

If you are using Ubuntu 9.04 (Jaunty) or later, make sure to install with:

python setup.py install --install-layout=deb

Don't forget to use sudo if necessary. This will install the arista python module to your python site-packages or dist-packages path, install the arista programs into sys.prefix/bin and install all data files into sys.prefix/share/arista.

Usage

There are two clients available, a graphical client using GTK+ and a terminal client. The graphical client is failry self-explanatory and can be launched with:

arista-gtk

To use the terminal client please see:

arista-transcode --help

An example of using the terminal client:

arista-transcode --device=ipod --preset=low test.mp4 test-ipod.m4v

Other usefule terminal options:

arista-transcode --info
arista-transcode --info ipod

Generating a Test File

Sometimes it may be useful to generate a test file:

gst-launch-0.10 videotestsrc num-buffers=500 ! x264enc ! mp4mux ! filesink location=test.mp4

Creating New Device Presets

New device presets can be created by specifying information about yourself and the device you wish to support along with presets that describe how to create a proper gstreamer pipeline to encode for the device in an xml file. Please see the xml files in the presets directory that ship with Arista for examples.

Contributing

All active development has moved to GitHub.com. Code is managed through git and new bugs should be opened in the GitHub tracker. Translations and Answers are still managed on Launchpad. The GitHub page is here:

http://github.com/danielgtaylor/arista

You can grab a copy of the source code for Arista via:

git clone git://github.com/danielgtaylor/arista.git

Feel free to fork on GitHub and propose updates to the main branch. You can keep your branch up to date via git pull