avgrc contains information about the libavg display engine configuration. On Linux and Mac OS X, libavg looks for this file in two locations: /etc/avgrc contains system-wide information and ~/.avgrc contains user-specific information. On Windows, libavg looks at it in libavg_install_dir\etc (by default, this is C:\Python27\Lib\site-packages\libavg\etc). There is an avgrc file under src/ in the distribution which can be used as a template.

Many the parameters set in avgrc can be overridden using Player::setResolution() and Player::setOGLOptions(). The documentation for these functions contains descriptions of the parameters as well.