Tk MPEG1 encoder based on ezMPEG

 Tk-mpeg is a simple and portable Tk package to encode MPEG1 streams. Based on
 ezMPEG, it has the following features:
 .
  * based on ISO-11172.2 Specs
  * I-frame encoding
  * GOP size can be defined
  * quality settings can be defined
  * multiple parallel streams
  * variable bitrate